CN114288551A - Pulse signal output method and device, electric pulse massage equipment and storage medium - Google Patents
Pulse signal output method and device, electric pulse massage equipment and storage medium Download PDFInfo
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Abstract
According to the output method and device of the pulse signals, the electric pulse massage equipment and the storage medium, because the frequency of the first pulse signal used when the electric pulse massage equipment is started is larger than that of the second pulse signal, compared with the situation that the second pulse signal is directly used, the first pulse signal with the larger frequency can reduce the contact impedance between the massage equipment and a human body to a certain extent, and a user can feel the massage strength of the electric pulse massage equipment at the first time; in addition, when the contact impedance is detected to be not more than the first preset impedance threshold value, the first pulse signal is switched to the second pulse signal, so that normal work of the electric pulse massage equipment can be guaranteed, and the problem of overlarge electric quantity loss caused by long-time use of the first pulse signal for massage can be avoided; in addition, other auxiliary tools are not needed, the use cost is reduced, the complex use process is avoided, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of wearable equipment, in particular to a pulse signal output method and device, electric pulse massage equipment and a storage medium.
Background
Currently, wearable electric stimulation massage equipment on the market mainly adopts low-frequency electric pulse signals, and dry electrodes (metal, silica gel, textile materials, rubber and the like) are used for most of the massage equipment. When the skin of a human body is dry, the contact impedance between the dry electrode and the skin is very large, and the human body can slowly have a massage feeling after being used for 3-5 minutes.
The problems caused by the contact impedance in the prior art are mainly solved by two schemes: firstly, a hydrogel electrode is adopted to replace a dry electrode; ② applying jelly or water to the dry electrode. In the first scheme, a hydrogel electrode is used, the hydrogel material is in good contact with the skin, the contact impedance is almost zero, but the hydrogel loses water and becomes dry in the using process, so that the electrode needs to be replaced frequently, and the use cost is increased; the second scheme is to apply gel or water to the dry electrode, and the principle is to fill the gap between the dry electrode and the skin with the gel or water to reduce the contact impedance.
Disclosure of Invention
The present invention aims to solve at least one of the above technical drawbacks, and in particular, to solve the technical drawbacks of the prior art, such as increased use cost and increased use complexity for users, due to the adoption of solutions to the problems caused by contact resistance.
The invention provides a pulse signal output method, which is applied to electric pulse massage equipment and comprises the following steps:
receiving a massage starting signal, and outputting a first pulse signal to act on a human body for massage;
acquiring contact impedance between the electric pulse massage equipment and the human body in the first pulse signal output process;
when the contact impedance is not larger than a first preset impedance threshold value, switching the first pulse signal to a second pulse signal, wherein the frequency of the second pulse signal is smaller than that of the first pulse signal.
Optionally, the method for outputting the pulse signal further includes:
if the contact impedance is larger than the first preset impedance threshold, the first pulse signal is continuously output until the contact impedance is not larger than the first preset impedance threshold or the output duration of the first pulse signal meets a set duration.
Optionally, the method for outputting the pulse signal further includes:
and when the output duration of the first pulse signal meets the set duration, switching the first pulse signal to the second pulse signal.
Optionally, the method for outputting the pulse signal further includes:
if the contact impedance is larger than a second preset impedance threshold value or smaller than a third preset impedance threshold value, stopping outputting the first pulse signal or the second pulse signal, wherein the second preset impedance threshold value is larger than the first preset impedance threshold value, and the third preset impedance threshold value is smaller than the first preset impedance threshold value.
Optionally, the step of receiving a massage start signal and outputting a first pulse signal to act on a human body for massage includes:
receiving a massage starting signal, and acquiring the battery power of the electric pulse massage equipment according to the massage starting signal;
when the battery electric quantity of the electric pulse massage equipment meets the first pulse signal output condition, the first pulse signal is output to act on the human body for massage.
Optionally, the method for outputting the pulse signal further includes:
and when the battery electric quantity of the electric pulse massage equipment meets the output condition of the second pulse signal, outputting the second pulse signal to act on the human body for massage.
Optionally, the method for outputting the pulse signal further includes:
and stopping outputting the pulse signal when the battery electric quantity of the electric pulse massage equipment does not meet the first pulse signal output condition and the second pulse signal output condition.
Optionally, the step of receiving a massage start signal and outputting a first pulse signal to act on a human body for massage includes:
after receiving the massage starting signal, determining a corresponding target voltage according to the gear information selected by the user;
and in the process of outputting the first pulse signal, the output voltage of the electric pulse massage equipment is increased to the target voltage, and the first pulse signal under the target voltage is used for acting on the human body to massage.
Optionally, the method for outputting the pulse signal further includes:
if the contact impedance is larger than the first preset impedance threshold value, the first pulse signal is continuously output, in the first pulse signal output process, the target voltage is subjected to at least one amplification adjustment, and the first pulse signal under the target voltage after the amplification adjustment acts on a human body to massage.
Optionally, the step of performing at least one amplification adjustment on the target voltage includes:
determining an increasing amplitude of the target voltage based on a current amplitude of the target voltage and a weight corresponding to the current amplitude, wherein the increasing amplitude of the target voltage is gradually reduced along with the increase of the adjusting times;
and carrying out amplification adjustment on the current amplitude of the target voltage based on the increased amplitude of the target voltage until the adjusted target voltage reaches a set amplitude threshold value.
Optionally, the step of switching the first pulse signal to the second pulse signal includes:
and switching the first pulse signal to the second pulse signal step by step according to a preset adjustment strategy.
Optionally, the step of gradually switching the first pulse signal to the second pulse signal according to a preset adjustment strategy includes:
and switching the first pulse signal to the second pulse signal step by step according to the mode that the frequency of the first pulse signal is increased along with the adjustment times and the frequency variation is gradually reduced.
Optionally, the step of obtaining the contact impedance between the electric pulse massage apparatus and the human body during the first pulse signal output process includes:
and in the first pulse signal output process, the contact impedance between the electric pulse massage equipment and the human body is acquired and calculated in real time by utilizing a pre-constructed impedance detection circuit between the electric pulse massage equipment and the human body.
Optionally, the first pulse signal is an intermediate frequency pulse signal, and the second pulse signal is a low frequency pulse signal.
The invention also provides a pulse signal output device, which is applied to electric pulse massage equipment and comprises:
the pulse output module is used for receiving the massage starting signal and outputting a first pulse signal to act on a human body for massage;
the contact impedance obtaining module is used for obtaining the contact impedance between the electric pulse massage equipment and the human body in the first pulse signal output process;
the pulse switching module is used for switching the first pulse signal to a second pulse signal when the contact impedance is not larger than a first preset impedance threshold value, wherein the frequency of the second pulse signal is smaller than that of the first pulse signal.
The invention also provides electric pulse massage equipment which comprises a power supply module, a control module and an electrode plate;
the power supply module is used for supplying power to the control module;
the control module comprises a memory and a processor, the memory having stored therein computer readable instructions which, when executed by the one or more processors, cause the one or more processors to perform the method of outputting a pulse signal as described in any one of the above embodiments;
the electrode plate is in contact with a human body and is used for acting the output of the control module on the human body.
The present invention also provides a storage medium having stored therein computer readable instructions which, when executed by one or more processors, cause the one or more processors to perform the method of outputting a pulse signal as described in any one of the above embodiments.
According to the technical scheme, the embodiment of the invention has the following advantages:
after receiving a massage starting signal, the pulse signal output method and device, the electric pulse massage equipment and the storage medium firstly output a first pulse signal to act on a human body for massage, obtain contact impedance between the massage equipment and the human body in the first pulse signal output process, and switch the first pulse signal to a second pulse signal with lower frequency when the contact impedance is not greater than a first preset impedance threshold; in the application, because the frequency of the first pulse signal used when the electric pulse massage equipment is started is greater than that of the second pulse signal, compared with the situation that the second pulse signal is directly used, the first pulse signal with the greater frequency can reduce the contact impedance between the electric pulse massage equipment and a human body to a certain extent, so that a user can feel the massage strength of the electric pulse massage equipment at the first time; in addition, when the contact impedance is detected to be not more than the first preset impedance threshold value, the first pulse signal is switched to the second pulse signal, so that normal work of the electric pulse massage equipment can be guaranteed, and the problem of overlarge electric quantity loss caused by long-time use of the first pulse signal for massage can be avoided; in addition, other auxiliary tools are not needed in the pulse signal switching process, and compared with the prior art, the pulse signal switching method and the pulse signal switching device not only reduce use cost, but also avoid complex use process, and are beneficial to improving user experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic flowchart of an output method of a pulse signal according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a waveform structure of a first pulse signal according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating the variation of weights calculated by Gaussian functions according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a variation of a frequency of a pulse signal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an impedance detection circuit according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an output apparatus of a pulse signal according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electric pulse massage apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The problems caused by the contact impedance in the prior art are mainly solved by two schemes: firstly, a hydrogel electrode is adopted to replace a dry electrode; ② applying jelly or water to the dry electrode. In the first scheme, a hydrogel electrode is used, the hydrogel material is in good contact with the skin, the contact impedance is almost zero, but the hydrogel loses water and becomes dry in the using process, so that the electrode needs to be replaced frequently, and the use cost is increased; the second scheme is to apply gel or water to the dry electrode, and the principle is to fill the gap between the dry electrode and the skin with the gel or water to reduce the contact impedance.
In order to solve the above technical problems, the present application further proposes the following technical solutions, which are specifically as follows:
in an embodiment, as shown in fig. 1, fig. 1 is a schematic flowchart of an output method of a pulse signal according to an embodiment of the present invention; the invention provides a method for outputting a pulse signal, which comprises the following steps:
s110: the massage starting signal is received, and the first pulse signal is output to act on the human body for massage.
In this step, when a massage start signal sent by the electric pulse massage device is received, a first pulse signal can be output, and at the moment, the electrode plate in the electric pulse massage device, which is in contact with the surface of the human body, can transmit the first pulse signal to the human body so as to promote local blood circulation and achieve a massage effect.
It is understood that the electric pulse massage apparatus in the present application includes, but is not limited to, products using electrode pads and requiring contact with the skin, such as a cervical vertebra massager, a shoulder and back massager, and a waist massager. The electric pulse massage equipment can comprise at least two electrode plates, a pulse output circuit in the electric pulse massage equipment can be connected with the electrode plates, pulse signals are output to the electrode plates under the control of a processor in the electric pulse massage equipment, the pulse signals are transmitted to the surface of a human body through the electrode plates, and after the pulse signals act on the skin of the human body, corresponding massage effects can be generated.
Compared with the low-frequency pulse signals in the traditional electric pulse massage equipment, the first pulse signals used by the application have relatively high pulse frequency, so that after the first pulse signals are used for acting on a human body, the contact impedance between the electric pulse massage equipment and the human body can be reduced, and the perception of a user on the electric pulse massage equipment is effectively improved.
For example, the pulse signal with the frequency below 1000Hz is generally called a low-frequency pulse signal, while the output low-frequency pulse signal of the conventional electric pulse massage device is generally lower than 500Hz when in use, and when the first pulse signal is used for acting on a human body, the application may select a pulse signal higher than 500Hz, such as a pulse signal of 500Hz-800Hz, or a pulse signal above 1000Hz, which may be specifically adjusted according to actual conditions, and is not limited herein.
It should be noted here that the skin surface of the human body is uneven, and the electrode sheet of the electric pulse massage device is a rigid material, and the shape of the electrode sheet does not change with the change of the skin muscle texture. Therefore, when a user wears the massage equipment, a gap exists between the skin of the user and the surface of the electrode plate in the massage equipment, so that the contact area between the electrode plate and the skin of a human body is small, the dielectric constant of air in the gap is large, the contact impedance between the human body and the electric pulse massage equipment is large, and the massage strength of the electric pulse massage equipment is reduced.
After the first pulse signal with relatively high pulse frequency acts on the human body, the contact impedance between the human body and the electric pulse massage equipment can be reduced, and the following formula is specifically shown:
the above equation is a model for the calculation of contact impedance, where Z is the contact impedance, R is the resistance, f is the pulse frequency, ε is the dielectric constant, S is the contact area, k is the electrostatic force constant, and d is the distance.
According to the formula, the impedance model between the electrode plate and the skin of the human body can be equivalent to a resistance-capacitance parallel model, namely, the part of the electrode plate, which is in contact with the skin, is equivalent to a resistor, the part of the electrode plate, which is not in contact with the skin, is equivalent to a capacitor, and the contact impedance between the human body and the electric pulse massage equipment can be effectively reduced by improving the pulse frequency.
S120: and acquiring contact impedance between the electric pulse massage equipment and the human body in the first pulse signal output process.
In this step, after the first pulse signal is applied to the human body through S110, the contact impedance between the electric pulse massage apparatus and the human body can be obtained in the first pulse signal output process.
Specifically, the impedance model between the electrode plate and the skin of the human body can be equivalent to a resistance-capacitance parallel model, namely, the part of the electrode plate, which is in contact with the skin, is equivalent to a resistor, the part of the electrode plate, which is not in contact with the skin, is equivalent to a capacitor, and through the design of the impedance detection circuit, the contact impedance between the electric pulse massage equipment and the human body is obtained in real time in the first pulse signal output process.
Further, electric pulse massage equipment can include MCU in this application, can gather the signal of telecommunication in the impedance detection circuit through MCU's ADC sampling pin. In order to ensure that each sampling is effective, the ADC conversion can be synchronously triggered when the pulse signal is output, and in consideration of the existence of errors, the ADC sampling conversion and the data processing can be controlled to be completed within the pulse width time of the pulse signal. As shown in fig. 2, fig. 2 is a schematic diagram of a waveform structure of a first pulse signal according to an embodiment of the present invention; in fig. 2, the X axis represents time, the unit is us, the Y axis represents amplitude of the first pulse signal, the unit is v, as can be seen from fig. 2, the pulse width of the first pulse signal in this application may be 250us, the frequency may be 1000Hz, after the electric pulse massage apparatus is powered on, the Timer may be configured to trigger the ADC to convert and the DMA to send the first pulse signal, the ADC result may be configured to be transmitted to the memory by the DMA, after the first pulse signal, such as the intermediate frequency pulse, is sent, the ADC-DMA transmission may be performed, the interrupt trigger is completed, after the trigger is completed, the ADC is started again to wait for transmission after the ADC value is queued, the ADC overflows every 10ms, after the queue data is filtered, the average ADC value within 10ms is calculated, if the average ADC value is greater than the first preset impedance threshold, it indicates that the contact impedance has met the requirement, at this time, the pulse frequency may be adjusted down, for example, the intermediate frequency is switched to a low frequency, the ADC sampling conversion and data processing can be controlled to be completed within 200 us.
S130: and when the contact impedance is not greater than a first preset impedance threshold value, switching the first pulse signal to a second pulse signal, wherein the frequency of the second pulse signal is less than that of the first pulse signal.
In this step, after the contact impedance between the electric pulse massage apparatus and the human body is obtained through S120, it can be determined whether the obtained contact impedance is not greater than a first preset impedance threshold, and if not, the switching operation of the pulse signal is performed to switch the first pulse signal to the second pulse signal.
It can be understood that, after the contact impedance between the electric pulse massage device and the human body is obtained, in order to further determine the conversion time of the pulse signal, under the condition that the electric pulse massage device is normally used, the electric quantity consumption is low in the massage process, a corresponding first impedance threshold value can be preset, the first impedance threshold value can be used for judging whether the contact impedance in the current impedance detection circuit is too large, if the electric pulse massage device is larger than the first preset impedance threshold value, the contact impedance between the current electric pulse massage device and the human body is larger, and the pulse signal is not suitable to be switched; if the impedance is not larger than the first preset impedance threshold value, the contact impedance between the current electric pulse massage equipment and the human body is small, and the pulse signal can be switched.
In addition, in order to reduce the operation time, the first preset impedance threshold may be presented in the form of an ADC value, and may be directly compared with the first preset impedance threshold after the ADC conversion is completed.
Specifically, use first pulse signal to act on human body after certain time when this application, certain suction has been had between electrode slice and the skin, thereby air between evacuation electrode slice and the skin gradually, make the clearance between electrode slice and the skin diminish, area of contact grow, thereby further reduce contact impedance, reduce to being not more than under the condition of first preset impedance threshold when contact impedance, switch over first pulse signal to second pulse signal, be about to electric pulse massage equipment progressively transition to normal low frequency massage pulse, at this moment, both can keep the normal clear of massage state, can reduce the loss of electric quantity again.
Further, in order to enable the user to switch the pulse frequency without feeling, and prevent the user from feeling discomfort caused by frequency switching, the present application may further control the switching process of the pulse frequency, so that the first pulse signal can be switched to the second pulse signal step by step, for example, the 1000Hz pulse signal is switched to 300Hz step by subtracting 100Hz each time.
In this embodiment, after receiving the massage start signal, first outputting a first pulse signal to act on a human body for massage, and in the output process of the first pulse signal, obtaining contact impedance between the massage device and the human body, and when the contact impedance is not greater than a first preset impedance threshold, switching the first pulse signal to a second pulse signal with a smaller frequency; in the application, because the frequency of the first pulse signal used when the electric pulse massage equipment is started is greater than that of the second pulse signal, compared with the situation that the second pulse signal is directly used, the first pulse signal with the greater frequency can reduce the contact impedance between the electric pulse massage equipment and a human body to a certain extent, so that a user can feel the massage strength of the electric pulse massage equipment at the first time; in addition, when the contact impedance is detected to be not more than the first preset impedance threshold value, the first pulse signal is switched to the second pulse signal, so that normal work of the electric pulse massage equipment can be guaranteed, and the problem of overlarge electric quantity loss caused by long-time use of the first pulse signal for massage can be avoided; in addition, other auxiliary tools are not needed in the pulse signal switching process, and compared with the prior art, the pulse signal switching method and the pulse signal switching device not only reduce use cost, but also avoid complex use process, and are beneficial to improving user experience.
The above embodiments describe the output method of the pulse signal in the present application, and the output method of the pulse signal in the present application will be further described below.
In an embodiment, the method for switching the pulse signal may further include:
s140: if the contact impedance is larger than the first preset impedance threshold, the first pulse signal is continuously output until the contact impedance is not larger than the first preset impedance threshold or the output duration of the first pulse signal meets a set duration.
In this embodiment, as shown in fig. 1, when it is detected that the contact impedance between the electric pulse massage apparatus and the human body is greater than the first preset impedance threshold, it indicates that it is not suitable to switch the pulse frequency. Therefore, the first pulse signal can be continuously output until the output time of the first pulse signal meets the set time, or the contact impedance between the electric pulse massage equipment and the human body is continuously reduced in the continuous output process of the first pulse signal until the output time is not more than the first preset impedance threshold value.
It can be understood that, before the first pulse signal is used to act on the human body, the output duration of the first pulse signal can be set (that is, the set duration is set), so as to avoid the situation that the electric quantity is consumed quickly and the massage cannot be continuously performed after the first pulse signal is used for a long time.
Further, the output duration of the first pulse signal may be determined according to data obtained after repeated experiments, for example, when the impedance detection circuit is used for detection, the output duration of the first pulse signal is recorded when the contact impedance is not greater than the first preset impedance threshold each time, and then the final set duration of the first pulse signal may be determined according to the output duration of the first pulse signal recorded each time.
When the output duration of the first pulse signal reaches the set duration, the first pulse signal can be directly switched into the second pulse signal, and the second pulse signal is used for massaging the human body until the massage time is over.
In addition, when the present application detects that the current contact impedance is greater than the first preset impedance threshold, it can also be indicated that the contact impedance between the electric pulse massage device and the human body at this time has not been reduced to be not greater than the first preset impedance threshold, therefore, the present application can also continue to detect the contact impedance between the electric pulse massage device and the human body in the process of continuously outputting the first pulse signal, and when the contact impedance is detected to be not greater than the first preset impedance threshold, the first pulse signal can be switched to the second pulse signal.
Furthermore, the massage equipment can switch the first pulse signal to the second pulse signal when the action duration of the first pulse signal meets the set duration and the contact impedance between the massage equipment and the human body is not greater than the preset impedance threshold, so that the situation that the electric quantity of the massage equipment is too fast due to the fact that the service time of the first pulse signal is too long is effectively avoided.
In an embodiment, the method for outputting the pulse signal may further include:
s150: and when the output duration of the first pulse signal meets the set duration, switching the first pulse signal to the second pulse signal.
In the application, when the output duration of the first pulse signal reaches the set duration, the first pulse signal can be directly switched to the second pulse signal, and the second pulse signal is used for massaging the human body until the massage time is over. The mode can effectively avoid the situation that the electric quantity of the electric pulse massage equipment is too fast to be consumed due to the overlong use time of the first pulse signal.
In an embodiment, the method for outputting the pulse signal may further include:
s160: and if the contact impedance is larger than a second preset impedance threshold value or smaller than a third preset impedance threshold value, stopping outputting the first pulse signal or the second pulse signal.
In this embodiment, in the process of outputting the first pulse signal to act on the human body, the contact impedance between the electric pulse massage device and the human body can be obtained in real time, and the contact impedance is compared with the first preset impedance threshold, the second preset impedance threshold and the third threshold impedance threshold respectively, and finally, corresponding measures are taken according to the comparison result.
The second preset impedance threshold is used for judging whether contact impedance in the current impedance detection circuit is too large, if the contact impedance is larger than the second preset impedance threshold, the gap between the electrode plate and the skin is large, the contact area is small, even the electrode plate and the skin may not be in contact, and if the contact impedance is larger than the second preset impedance threshold, the user is indicated not to wear the electric pulse massage equipment, so that the output of the first pulse signal or the second pulse signal can be stopped.
Further, a third preset impedance threshold in the present application is smaller than the first preset impedance threshold, and the third preset impedance threshold is used to determine whether a short circuit occurs, and if the detected contact impedance is smaller than the third preset impedance threshold, it can be presumed that the electric pulse massage apparatus is in a short circuit state, and at this time, the output of the first pulse signal or the second pulse signal can also be stopped, so as to avoid an accident.
The above embodiments further explain the output method of the pulse signal in the present application, and how to apply the pulse signal to the human body in the present application will be explained below.
In one embodiment, the step of receiving the massage start signal and outputting the first pulse signal to act on the human body for massage in S110 may include:
s111: and receiving a massage starting signal, and acquiring the battery power of the electric pulse massage equipment according to the massage starting signal.
S112: when the battery electric quantity of the electric pulse massage equipment meets the first pulse signal output condition, the first pulse signal is output to act on the human body for massage.
In this embodiment, when the electric pulse massage device is started and outputs the first pulse signal to act on the human body, the battery power of the electric pulse massage device itself can be obtained first, and whether the current battery power meets the first pulse signal output condition is judged, if yes, the first pulse signal is output to act on the human body, if not, it indicates that the current battery power is low, the first pulse signal cannot be output, at the moment, the user can be reminded of charging in the form of voice or an indicator light, or the user is directly not responded to the triggering operation of the user, so that the user is reminded of low current battery power.
For example, after the user presses the power switch, the MCU in the electric pulse massage device may first initialize the hardware and detect the battery power, and if the battery power is high, for example, exceeding 3.6V, it indicates that the current battery power may satisfy the output of the first pulse signal within a certain time period, so that the pulse output circuit corresponding to the first pulse signal may be started.
In an embodiment, the method for outputting the pulse signal may further include:
s113: and when the battery electric quantity of the electric pulse massage equipment meets the output condition of the second pulse signal, outputting the second pulse signal to act on the human body for massage.
In this embodiment, if it is detected that the current battery power is low and the second pulse signal output condition is satisfied, for example, if the current battery power is lower than 3.6V, the second pulse signal may be directly output. Because the pulse frequency of the second pulse signal is lower than that of the first pulse signal, when the electric quantity of the battery is low, the second pulse signal can be directly output to act on a human body in order to meet the massage requirement of a user.
In an embodiment, the method for outputting the pulse signal may further include:
s114: and stopping outputting the pulse signal when the battery electric quantity of the electric pulse massage equipment does not meet the first pulse signal output condition and the second pulse signal output condition.
In this embodiment, if it is detected that the battery power of the current electric pulse massage device does not satisfy the first pulse signal output condition nor the second pulse signal output condition, that is, the current battery power is low enough not to output the pulse signal, the output of the pulse signal is stopped, and the battery is prevented from being damaged.
The above embodiments describe how the pulse signal is applied to the human body in the present application, and the following further describes how the first pulse signal is applied to the human body in the present application.
In one embodiment, the step of receiving the massage start signal and outputting the first pulse signal to act on the human body for massage in S110 may include:
s211: and after receiving the massage starting signal, determining the corresponding target voltage according to the gear information selected by the user.
S212: and in the process of outputting the first pulse signal, the output voltage of the electric pulse massage equipment is increased to the target voltage, and the first pulse signal under the target voltage is used for acting on the human body.
In this embodiment, when the user presses the power switch and starts the electric pulse massage device, the corresponding target voltage may be determined according to the gear information selected by the user, and in the process of applying the first pulse signal to the human body, the voltage of the electric pulse massage device may be raised to the target voltage, and the first pulse signal at the target voltage may be applied to the human body.
It will be appreciated that the electric pulse massage device may be provided with a plurality of different gears, each of which corresponds to a different target voltage, which is the voltage corresponding to the gear currently selected by the user. When a user selects different gears, the electric pulse massage equipment outputs different target voltages according to the gears and acts on the human body through the electrode plates so that the human body can feel different massage forces.
Further, the electric pulse massage device may include a voltage boosting module, the voltage boosting module may be connected to the MCU, and after the MCU receives the gear information selected by the user, the target voltage corresponding to the gear information may be determined according to the gear information, and the voltage value may be boosted to the voltage value corresponding to the target voltage by the voltage boosting module.
The above embodiments further explain how the first pulse signal is applied to the human body in the present application, and the process of amplifying the target voltage in the present application will be explained below.
In an embodiment, the method for outputting the pulse signal may further include:
s213: if the contact impedance is larger than the first preset impedance threshold value, the first pulse signal is continuously output, in the first pulse signal output process, the target voltage is subjected to at least one amplification adjustment, and the first pulse signal under the target voltage after the amplification adjustment acts on a human body to massage.
In this embodiment, if it is detected that the contact impedance between the current human body and the electric pulse massage device is greater than the first preset impedance threshold, the first pulse signal is continuously output, so that the contact impedance between the human body and the electric pulse massage device is continuously reduced, and in the process of continuously acting on the human body by using the first pulse signal, the target voltage may be subjected to at least one amplification adjustment, so as to improve the massage strength.
Further, this application can be in first pulse signal output process, the contact impedance between real-time detection electric pulse massage equipment and the human body, if contact impedance is greater than first preset impedance threshold, then can carry out amplitude adjustment many times to the target voltage to use the first pulse signal under the target voltage after the amplification to act on the human body, because the target voltage after the amplification can improve the massage dynamics, consequently, under the unchangeable condition of first pulse signal, amplify the target voltage, can reduce contact impedance fast.
For example, the target voltage after the amplification adjustment may be 3-6V larger than that before the adjustment, or 5% -20% larger, for example, the target voltage of the current gear is 20V, and the target voltage may be increased to 24V by the amplification adjustment, so as to further improve the massage strength.
In one embodiment, the step of performing at least one amplification adjustment on the target voltage in S213 may include:
s311: and determining an increasing amplitude of the target voltage based on the current amplitude of the target voltage and a weight corresponding to the current amplitude, wherein the increasing amplitude of the target voltage is gradually reduced along with the increase of the adjusting times.
S312: and carrying out amplification adjustment on the current amplitude of the target voltage based on the increased amplitude of the target voltage until the adjusted target voltage reaches a set amplitude threshold value.
In this embodiment, when the target voltage is subjected to at least one amplification adjustment, the increased amplitude of the target voltage may be determined according to the current amplitude of the target voltage and the weight corresponding to the current amplitude, and the current amplitude of the target voltage is subjected to the amplification adjustment according to the increased amplitude until the adjusted target voltage reaches the set amplitude threshold.
Specifically, in the first pulse signal output process, the contact impedance between the electric pulse massage equipment and the human body can be detected in real time, and if the contact impedance is larger than a first preset impedance threshold value, the target voltage can be subjected to amplification adjustment for multiple times, so that the first pulse signal under the amplified target voltage acts on the human body.
Further, before the target voltage is subjected to amplification adjustment, a weight corresponding to the target voltage subjected to amplification adjustment can be set, so that each time the increased amplitude of the target voltage is determined, the current amplitude of the target voltage and the weight corresponding to the current amplitude can be determined.
Schematically, as shown in fig. 3, fig. 3 is a schematic diagram of a change of the weight calculated by the gaussian function according to the embodiment of the present invention; in fig. 3, the X axis is the number of times of amplitude adjustment, the number of times may be represented by n, and the value range of n may be set according to specific situations; the Y axis is a weight, the weight can be represented by p, the value range of p can be set according to specific conditions, and the value range of p is set to be between 0 and 1; and the increasing amplitude of the target voltage is gradually reduced along with the increase of the adjusting times until the target voltage reaches a set amplitude threshold value.
It can be understood that, under the condition that the contact impedance is greater than the first preset impedance threshold value, the massage strength experienced by the user is considered to be weak due to the overlarge contact impedance, and the user can feel the massage strength as much as possible by executing the operation of regulating the pressure for several times. According to user experience, after the voltage of one gear is increased by a certain amplitude on the original basis, the force can be obviously improved, and in order to keep different massage forces between different gears of a user, the target voltage is not adjusted any more after the adjusted target voltage reaches a set amplitude threshold value.
The above-described embodiment explains the process of amplifying the target voltage in the present application, and the pulse signal switching process in the present application will be explained below.
In one embodiment, the step of switching the first pulse signal to the second pulse signal in S140 may include: and switching the first pulse signal to the second pulse signal step by step according to a preset adjustment strategy.
In this embodiment, in the process of switching the first pulse signal to the second pulse signal, smooth switching may be performed according to a preset adjustment strategy.
The preset adjustment strategy refers to a preset strategy which can ensure that the first pulse signal is smoothly switched to the second pulse signal.
Specifically, the preset adjustment strategy may be to perform continuous and smooth drop adjustment on the frequency of the first pulse signal within a preset time period, so as to reduce the apparent drop sensation caused by switching of the pulse signal.
In an embodiment, the step of gradually switching the first pulse signal to the second pulse signal according to a preset adjustment strategy may include:
and switching the first pulse signal to the second pulse signal step by step according to the mode that the frequency of the first pulse signal is increased along with the adjustment times and the frequency variation is gradually reduced.
In this embodiment, in the process of switching the first pulse signal to the second pulse signal according to the preset adjustment strategy, the first pulse signal may be smoothly switched to the second pulse signal according to a form that the frequency of the first pulse signal increases with the adjustment times and the frequency variation gradually decreases.
Specifically, as shown in fig. 4, fig. 4 is a schematic diagram illustrating a frequency variation of a pulse signal according to an embodiment of the present invention; in fig. 4, the X axis is the frequency adjustment frequency, which can be represented by X, and the value range of X can be set according to specific situations; the Y axis is the frequency of the adjusted pulse signal, and can be set according to the actual situation, and the frequency of the pulse signal in the application can be adjusted from 1KHz to below 100 Hz; as can be seen from fig. 4, in the process of switching the first pulse signal to the second pulse signal, a certain time interval may be set, for example, the pulse frequency is adjusted every 100ms until the frequency is less than 100 Hz. The adjusted pulse frequency can be calculated according to the current pulse frequency, and the calculation formula is as follows:
wherein x is the adjustment times, and f is the pulse frequency.
The pulse signal is switched in the above mode, and the pulse frequency can be reduced to be within 100Hz within 2s, so that a user does not feel obvious fall.
In one embodiment, the step of acquiring the contact impedance between the electric pulse massage apparatus and the human body during the first pulse signal output in S120 may include:
s121: and in the first pulse signal output process, the contact impedance between the electric pulse massage equipment and the human body is acquired and calculated in real time by utilizing a pre-constructed impedance detection circuit between the electric pulse massage equipment and the human body.
In this embodiment, in the process of outputting the first pulse signal, the impedance detection circuit between the electric pulse massage device and the human body, which is constructed in advance, may be used to acquire the resistance value in the circuit in real time, and calculate the contact impedance between the electric pulse massage device and the human body through the resistance value, the pulse frequency of the first pulse signal, the contact area between the electrode plate in the electric pulse massage device and the human body, the gap distance between the skin and the surface of the electrode plate in the massage device, the air dielectric constant in the gap, and the like.
Schematically, an impedance detection circuit in the present application is shown in fig. 5, and fig. 5 is a schematic structural diagram of the impedance detection circuit provided in the embodiment of the present invention; in fig. 5, HV is the output voltage of the electric pulse massage apparatus, R3 is the internal resistance of the electric pulse massage apparatus, and assuming that the electric pulse massage apparatus has two electrode pads, R4& C4 is the resistance between electrode pad a and the skin, R5& C5 is the resistance between electrode pad B and the skin, R6, R7, and R8 are also the internal resistance of the electric pulse massage apparatus, wherein R6 and R7 are used for voltage division.
According to the application, under the condition that R7 is known, the voltage U1 at two ends of R7 is collected, then the current I in the loop is calculated to be U1/R7, after the current in the loop is determined, the voltage U2 at two ends of the contact impedance can be calculated to be HV-I (R6+ R7+ R3), the resistance R in the impedance detection circuit is further obtained to be U2/I, and under the condition that the resistance R in the impedance detection circuit and the frequency of a pulse signal are known, the corresponding contact impedance can be calculated through a calculation formula of the contact impedance.
In one embodiment, the first pulse signal may be an intermediate frequency pulse signal, and the second pulse signal may be a low frequency pulse signal.
In this embodiment, the first pulse signal may be an intermediate frequency pulse signal, the intermediate frequency pulse signal may be a pulse signal of about 1000Hz, the second pulse signal may be a low frequency pulse signal, the low frequency pulse signal may be a 500Hz pulse signal, and the first pulse signal may be specifically adjusted according to actual conditions, which is not limited herein.
The following describes an output device of a pulse signal provided in an embodiment of the present application, and the output device of a pulse signal described below and the output method of a pulse signal described above may be referred to correspondingly.
In an embodiment, as shown in fig. 6, fig. 6 is a schematic structural diagram of an output apparatus of a pulse signal according to an embodiment of the present invention; the invention also provides an output device of a pulse signal, which comprises a pulse output module 210, a contact impedance acquisition module 220 and a pulse switching module 230, and specifically comprises the following components:
the pulse output module 210 is configured to receive the massage start signal and output a first pulse signal to act on a human body for massage.
A contact impedance obtaining module 220, configured to obtain a contact impedance between the electric pulse massage apparatus and the human body in the first pulse signal output process;
the pulse switching module 230 is configured to switch the first pulse signal to a second pulse signal when the contact impedance is not greater than a preset impedance threshold, where a frequency of the second pulse signal is smaller than a frequency of the first pulse signal.
In this embodiment, after receiving the massage start signal, first outputting a first pulse signal to act on a human body for massage, and in the output process of the first pulse signal, obtaining contact impedance between the massage device and the human body, and when the contact impedance is not greater than a first preset impedance threshold, switching the first pulse signal to a second pulse signal with a smaller frequency; in the application, because the frequency of the first pulse signal used when the electric pulse massage equipment is started is greater than that of the second pulse signal, compared with the situation that the second pulse signal is directly used, the first pulse signal with the greater frequency can reduce the contact impedance between the electric pulse massage equipment and a human body to a certain extent, so that a user can feel the massage strength of the electric pulse massage equipment at the first time; in addition, when the contact impedance is detected to be not more than the first preset impedance threshold value, the first pulse signal is switched to the second pulse signal, so that normal work of the electric pulse massage equipment can be guaranteed, and the problem of overlarge electric quantity loss caused by long-time use of the first pulse signal for massage can be avoided; in addition, other auxiliary tools are not needed in the pulse signal switching process, and compared with the prior art, the pulse signal switching method and the pulse signal switching device not only reduce use cost, but also avoid complex use process, and are beneficial to improving user experience.
In one embodiment, the output device of the pulse signal may further include:
and the continuous output module is used for continuously outputting the first pulse signal if the contact impedance is greater than the first preset impedance threshold value until the contact impedance is not greater than the first preset impedance threshold value or the output duration of the first pulse signal meets a set duration.
In one embodiment, the output device of the pulse signal may further include:
and the output switching module is used for switching the first pulse signal to the second pulse signal when the output duration of the first pulse signal meets the set duration.
In one embodiment, the output device of the pulse signal may further include:
and the output stopping module is used for stopping outputting the first pulse signal or the second pulse signal if the contact impedance is greater than a second preset impedance threshold value or less than a third preset impedance threshold value, wherein the second preset impedance threshold value is greater than the first preset impedance threshold value, and the third preset impedance threshold value is less than the first preset impedance threshold value.
In one embodiment, the pulse output module 210 may include:
and the battery electric quantity acquisition module is used for receiving the massage starting signal and acquiring the battery electric quantity of the electric pulse massage equipment according to the massage starting signal.
And the first pulse action module is used for acting on the human body by using the first pulse signal when the battery electric quantity of the electric pulse massage equipment meets the output condition of the first pulse signal.
In one embodiment, the output device of the pulse signal may further include:
and the second pulse action module is used for outputting a second pulse signal to act on the human body for massage when the battery electric quantity of the electric pulse massage equipment meets the output condition of the second pulse signal.
In one embodiment, the output device of the pulse signal may further include:
and the stopping action module is used for stopping outputting the pulse signals when the battery electric quantity of the electric pulse massage equipment does not meet the first pulse signal output condition and the second pulse signal output condition.
In one embodiment, the pulse output module 210 may include:
and the voltage determining module is used for determining the corresponding target voltage according to the gear information selected by the user after receiving the massage starting signal.
And the voltage action module is used for increasing the output voltage of the electric pulse massage equipment to the target voltage in the first pulse signal output process and acting the first pulse signal under the target voltage on a human body.
In an embodiment, the apparatus for switching a pulse signal may further include:
and the amplification adjustment module is used for continuously outputting the first pulse signal if the contact impedance is greater than the first preset impedance threshold, carrying out amplification adjustment on the target voltage at least once in the output process of the first pulse signal, and applying the first pulse signal under the target voltage after the amplification adjustment to a human body for massage.
In one embodiment, the amplification adjustment module may include:
and the increased amplitude determining module is used for determining the increased amplitude of the target voltage based on the current amplitude of the target voltage and the weight corresponding to the current amplitude, wherein the increased amplitude of the target voltage is gradually reduced along with the increase of the adjusting times.
And the adjusting module is used for carrying out amplification adjustment on the current amplitude of the target voltage based on the increased amplitude of the target voltage until the adjusted target voltage reaches a set amplitude threshold value.
In one embodiment, the pulse switching module 240 may include:
and the stable switching module is used for switching the first pulse signal to the second pulse signal step by step according to a preset adjustment strategy.
In one embodiment, the graceful handover module may include:
and the switching submodule is used for switching the first pulse signal to the second pulse signal step by step according to the form that the frequency variation of the first pulse signal is gradually reduced along with the increase of the adjustment times.
In one embodiment, the contact impedance obtaining module 220 may include:
and the acquisition and calculation module is used for acquiring and calculating the contact impedance between the electric pulse massage equipment and the human body in real time by utilizing a pre-constructed impedance detection circuit between the electric pulse massage equipment and the human body in the first pulse signal output process.
In one embodiment, the first pulse signal is an intermediate frequency pulse signal, and the second pulse signal is a low frequency pulse signal.
In one embodiment, as shown in fig. 7, fig. 7 is a schematic structural diagram of an electric pulse massage apparatus provided in an embodiment of the present invention; the invention also provides electric pulse massage equipment which comprises a power supply module, a control module and an electrode plate.
The power module is used for supplying power for the control module.
As shown in fig. 7, the power module may include a power supply, a charging management unit, and a switch, and the power supply may be a rechargeable lithium battery; the charging management part can comprise a Type-C USB and a charging IC, and the device is powered by the Type-C USB during charging; the switch is a normally open key, and the control module is electrified after being pressed.
The control module includes a memory and a processor, the memory having stored therein computer readable instructions which, when executed by the one or more processors, cause the one or more processors to perform the method of outputting a pulse signal as described in any one of the above embodiments.
The electrode plate is in contact with a human body and is used for acting the output of the control module on the human body.
In this embodiment, as shown in fig. 7, the control module may include an MCU, a voltage boosting module, a pulse output module, and an impedance detection module, the MCU implements the whole control logic, the voltage boosting module increases the voltage, adjusts the massage force, and controls the pulse frequency and pulse width through the pulse output module, and finally the electric pulse acts on the human body through the electrode plate. Meanwhile, the current in the loop is detected through impedance detection, the contact impedance is calculated, and the voltage and the pulse frequency are adjusted according to the contact impedance, so that a closed-loop system is formed.
In one embodiment, the present invention also provides a storage medium having computer readable instructions stored therein, which when executed by one or more processors, cause the one or more processors to perform the method of outputting a pulse signal as described in any one of the above embodiments.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, the embodiments may be combined as needed, and the same and similar parts may be referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (17)
1. An output method of a pulse signal, which is applied to an electric pulse massage apparatus, comprising:
receiving a massage starting signal, and outputting a first pulse signal to act on a human body for massage;
acquiring contact impedance between the electric pulse massage equipment and the human body in the first pulse signal output process;
when the contact impedance is not larger than a first preset impedance threshold value, switching the first pulse signal to a second pulse signal, wherein the frequency of the second pulse signal is smaller than that of the first pulse signal.
2. The method for outputting a pulse signal according to claim 1, further comprising:
if the contact impedance is larger than the first preset impedance threshold, the first pulse signal is continuously output until the contact impedance is not larger than the first preset impedance threshold or the output duration of the first pulse signal meets a set duration.
3. The method for outputting a pulse signal according to claim 2, further comprising:
and when the output duration of the first pulse signal meets the set duration, switching the first pulse signal to the second pulse signal.
4. The method for outputting a pulse signal according to claim 1, further comprising:
if the contact impedance is larger than a second preset impedance threshold value or smaller than a third preset impedance threshold value, stopping outputting the first pulse signal or the second pulse signal, wherein the second preset impedance threshold value is larger than the first preset impedance threshold value, and the third preset impedance threshold value is smaller than the first preset impedance threshold value.
5. The method for outputting a pulse signal according to claim 1, wherein the step of receiving a massage start signal and outputting a first pulse signal to act on the human body for massage comprises:
receiving a massage starting signal, and acquiring the battery power of the electric pulse massage equipment according to the massage starting signal;
when the battery electric quantity of the electric pulse massage equipment meets the first pulse signal output condition, the first pulse signal is output to act on the human body for massage.
6. The method for outputting a pulse signal according to claim 5, further comprising:
and when the battery electric quantity of the electric pulse massage equipment meets the output condition of the second pulse signal, outputting the second pulse signal to act on the human body for massage.
7. The method for outputting a pulse signal according to claim 6, further comprising:
and stopping outputting the pulse signal when the battery electric quantity of the electric pulse massage equipment does not meet the first pulse signal output condition and the second pulse signal output condition.
8. The method for outputting a pulse signal according to claim 1, wherein the step of receiving a massage start signal and outputting a first pulse signal to act on the human body for massage comprises:
after receiving the massage starting signal, determining a corresponding target voltage according to the gear information selected by the user;
and in the process of outputting the first pulse signal, the output voltage of the electric pulse massage equipment is increased to the target voltage, and the first pulse signal under the target voltage is used for acting on the human body to massage.
9. The method for outputting a pulse signal according to claim 8, further comprising:
if the contact impedance is larger than the first preset impedance threshold value, the first pulse signal is continuously output, in the first pulse signal output process, the target voltage is subjected to at least one amplification adjustment, and the first pulse signal under the target voltage after the amplification adjustment acts on a human body to massage.
10. The method according to claim 9, wherein the step of performing at least one amplification adjustment on the target voltage includes:
determining an increasing amplitude of the target voltage based on a current amplitude of the target voltage and a weight corresponding to the current amplitude, wherein the increasing amplitude of the target voltage is gradually reduced along with the increase of the adjusting times;
and carrying out amplification adjustment on the current amplitude of the target voltage based on the increased amplitude of the target voltage until the adjusted target voltage reaches a set amplitude threshold value.
11. The method for outputting a pulse signal according to claim 1, wherein the step of switching the first pulse signal to the second pulse signal includes:
and switching the first pulse signal to the second pulse signal step by step according to a preset adjustment strategy.
12. The method for outputting a pulse signal according to claim 11, wherein the step of gradually switching the first pulse signal to the second pulse signal according to a preset adjustment strategy comprises:
and switching the first pulse signal to the second pulse signal step by step according to the mode that the frequency of the first pulse signal is increased along with the adjustment times and the frequency variation is gradually reduced.
13. The method for outputting a pulse signal according to claim 1, wherein the step of acquiring the contact impedance between the electric pulse massage apparatus and the human body during the first pulse signal output process includes:
and in the first pulse signal output process, the contact impedance between the electric pulse massage equipment and the human body is acquired and calculated in real time by utilizing a pre-constructed impedance detection circuit between the electric pulse massage equipment and the human body.
14. The method for outputting a pulse signal according to any one of claims 1 to 13, wherein the first pulse signal is an intermediate frequency pulse signal, and the second pulse signal is a low frequency pulse signal.
15. An output device of a pulse signal, which is applied to an electric pulse massage apparatus, comprising:
the pulse output module is used for receiving the massage starting signal and outputting a first pulse signal to act on a human body for massage;
the contact impedance obtaining module is used for obtaining the contact impedance between the electric pulse massage equipment and the human body in the first pulse signal output process;
the pulse switching module is used for switching the first pulse signal to a second pulse signal when the contact impedance is not larger than a first preset impedance threshold value, wherein the frequency of the second pulse signal is smaller than that of the first pulse signal.
16. An electric pulse massage apparatus characterized in that: the electric pulse massage equipment comprises a power module, a control module and an electrode plate;
the power supply module is used for supplying power to the control module;
the control module comprises a memory and a processor, the memory having stored therein computer-readable instructions that, when executed by the one or more processors, cause the one or more processors to perform the method of outputting a pulse signal of any one of claims 1 to 14;
the electrode plate is in contact with a human body and is used for acting the output of the control module on the human body.
17. A storage medium, characterized by: the storage medium has stored therein computer-readable instructions that, when executed by one or more processors, cause the one or more processors to perform the method of outputting a pulse signal according to any one of claims 1 to 14.
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