CN213783598U - Rechargeable hearing-aid device with temperature protection function - Google Patents
Rechargeable hearing-aid device with temperature protection function Download PDFInfo
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- CN213783598U CN213783598U CN202023351554.6U CN202023351554U CN213783598U CN 213783598 U CN213783598 U CN 213783598U CN 202023351554 U CN202023351554 U CN 202023351554U CN 213783598 U CN213783598 U CN 213783598U
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Abstract
The utility model discloses a take chargeable hearing aid equipment of temperature protect function, chargeable hearing aid equipment of taking temperature protect function includes: a charging device and a hearing aid device; the hearing aid device is used for collecting sound signals, converting the sound signals into sound voltage signals, then amplifying the sound voltage signals to obtain amplified signals, and converting the amplified signals into the amplified sound signals; the hearing aid device comprises a first power supply unit and a temperature detection unit, wherein the first power supply unit comprises a rechargeable battery; the charging device comprises a second power supply unit, a sampling unit, an analog-to-digital conversion unit, a charging control unit, a charging unit and a switch unit. The utility model discloses can prevent to charge for hearing aid device under high temperature environment to protected the battery, reduced the battery simultaneously and lead to scalding, smoking, getting on fire, bursting or the appearance of explosion because of charging overheated, improved hearing aid equipment's security and reliability.
Description
Technical Field
The utility model relates to a hearing aid technical field especially relates to a chargeable hearing aid equipment of taking temperature protect function.
Background
A hearing aid device is a device that helps the hearing impaired to improve the hearing impairment and thus the ability to interact with the conversation.
The existing hearing aid equipment generally adopts a nickel-metal hydride battery and a lithium battery, and generally has a voltage and current overshoot function during charging, but when the hearing aid equipment is charged, because the battery or other devices are out of work, the temperature of the battery during charging is increased, and the high temperature of the battery can cause potential safety hazards such as battery scalding, smoke, fire, bursting or explosion.
Disclosure of Invention
In view of the above, there is a need to provide a rechargeable hearing aid device with temperature protection function.
The utility model discloses a technical means do: there is provided a chargeable hearing assistance device with temperature protection, the chargeable hearing assistance device comprising: a charging device and a hearing aid device; when the hearing-aid device needs to be charged, the charging device is connected with the hearing-aid device;
the hearing aid device is used for collecting sound signals, converting the sound signals into sound voltage signals, then amplifying the sound voltage signals to obtain amplified signals, and converting the amplified signals into the amplified sound signals;
the chargeable hearing-aid device with the temperature protection function comprises a first power supply unit and a temperature detection unit; wherein the first power supply unit comprises a rechargeable battery and is used for supplying power to the hearing aid device; the temperature detection unit is used for detecting the temperature of the first power supply unit and outputting a temperature detection signal;
the charging device includes:
a second power supply unit for supplying power to the charging device;
the sampling unit is used for sampling the temperature detection signal and obtaining temperature sampling voltage;
the analog-to-digital conversion unit is connected with the sampling unit and is used for performing analog-to-digital conversion on the temperature sampling voltage to obtain a digital temperature voltage;
the charging control unit is connected with the analog-to-digital conversion unit and used for controlling whether the first power supply unit is charged or not based on the digital temperature voltage;
the charging unit is connected with the charging control unit and is used for charging the first power supply unit according to the charging control signal output by the charging control unit; and
and the switch unit is connected with the charging control unit and the charging unit, arranged between the charging unit and the first power supply unit and used for controlling the on-off of a circuit between the charging unit and the first power supply unit according to the switch control signal output by the charging control unit.
Since the technical scheme is used, the utility model provides a chargeable hearing aid equipment of taking temperature protect function includes charging device and hearing aid device, hearing aid device includes first electrical power unit and temperature detecting element, first electrical power unit includes rechargeable battery. The charging device comprises a second power supply unit, a sampling unit, an analog-to-digital conversion unit, a charging control unit, a charging unit and a switch unit. The utility model discloses a set up the temperature detecting element and carry out the temperature detection to first electrical unit, the control unit that charges can break off charge circuit when first electrical unit high temperature to stop charging for the hearing aid device, and then prevented to charge for the hearing aid device under high temperature environment, thereby protected the battery, reduced the battery simultaneously because of charging overheated leading to scalding, smoke, fire, burst or the appearance of explosion, improved hearing aid equipment's security and reliability.
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, 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 creative efforts.
Wherein:
fig. 1 is a first schematic structural diagram of a rechargeable hearing aid device with a temperature protection function in one embodiment;
fig. 2 is a schematic structural diagram ii of a rechargeable hearing aid device with a temperature protection function in one embodiment;
fig. 3 is a schematic structural diagram three of a rechargeable hearing aid device with a temperature protection function in one embodiment;
fig. 4 is a fourth schematic structural view of a rechargeable hearing aid device with temperature protection in one embodiment;
fig. 5 is a schematic structural diagram of a rechargeable hearing aid device with temperature protection in an embodiment;
fig. 6 is a sixth schematic structural view of a rechargeable hearing aid device with temperature protection in an embodiment;
FIG. 7 is a schematic diagram of an embodiment of a charging device;
fig. 8 is a schematic view of a hearing device according to an embodiment.
In the figure: 1. a charging device; 2. a hearing aid device; 3. an interface unit; 11. a sampling unit; 12. an analog-to-digital conversion unit; 13. a charging control unit; 14. a switch unit; 15. a display unit; 16. an alarm unit; 17. A second power supply unit; 18. a charging unit; 21. a first power supply unit; 22. a temperature detection unit; 23. a sound collection unit; 24. a signal processing unit; 25. an output unit; 241. an amplifying module; 242. a sound control module; 243. a digital signal processing chip; 19. a groove; 31A, a protrusion; 32A, contact charging spring pins; 31B, a recess; 32B, contact copper sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terms first, second and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be practiced otherwise than as specifically illustrated.
The embodiment of the utility model provides a chargeable hearing aid equipment of taking temperature protect function, as shown in fig. 1, in an embodiment, chargeable hearing aid equipment of taking temperature protect function can include charging device 1 and hearing aid device 2, when hearing aid device 2 needs to charge, charging device 1 with hearing aid device 2 is connected; the hearing aid device 2 is used for collecting sound signals, converting the sound signals into sound voltage signals, then amplifying the sound voltage signals to obtain amplified signals, and converting the amplified signals into the amplified sound signals; the hearing aid device 2 comprises a first power supply unit 21 and a temperature detection unit 22; wherein the first power supply unit 21 comprises a rechargeable battery and is used for supplying power to the hearing aid device 2, and the temperature detection unit 22 is used for detecting the temperature of the first power supply unit 21 and outputting a temperature detection signal; the charging device 1 may include a second power supply unit 17, a sampling unit 11, an analog-to-digital conversion unit 12, a charging control unit 13, a charging unit 18, and a switching unit 14. The second power supply unit 17 may be used to supply power to the charging device 1; the sampling unit 11 may be configured to sample the temperature detection signal and obtain a temperature sampling voltage; the analog-to-digital conversion unit 12 may be connected to the sampling unit 11, and is configured to perform analog-to-digital conversion on the temperature sampling voltage to obtain a digital temperature voltage; the charging control unit 13 may be connected to the analog-to-digital conversion unit 12, and configured to control whether the first power supply unit 21 is charged based on the digital temperature voltage; the charging unit 18 may be connected to the charging control unit 13, and is configured to charge the first power supply unit 21 according to a charging control signal output by the charging control unit 13; the switch unit 14 may be connected to the charging control unit 13 and the charging unit 18, and is disposed between the charging unit 18 and the first power supply unit 21, and configured to control on/off of a line between the charging unit 18 and the first power supply unit 21 according to a switch control signal output by the charging control unit 13.
Specifically, the charging device 1 may be a charging box, the hearing aid device 2 may be a hearing aid, and of course, the hearing aid device 2 may also have other functions such as on/off control, volume adjustment, hearing aid scene switching, and the like, which is not limited in this application. The temperature detecting unit 22 may be a thermistor, and of course, other temperature sensors may also be used, which is not limited in this application. Further, the temperature detection unit 22 may employ a negative temperature coefficient thermistor.
The chargeable hearing aid equipment of taking temperature protect function that this embodiment provided carries out temperature detection to first power supply unit 21 through setting up temperature detecting element 22, charge the control unit 13 and can be when first power supply unit 21 high temperature, the disconnection charge circuit to stop charging for hearing aid device 2, and then prevented to charge for hearing aid device 2 under high temperature environment, thereby protected the battery, reduced the battery simultaneously because of charging overheated leading to scalding, smoke, fire, burst or the appearance of explosion, improved hearing aid equipment's security and reliability.
In one embodiment, the charging control unit 13 can be configured to output the switch control signal to the switch unit 14 to control the line between the charging unit 18 and the first power supply unit 21 to be disconnected when the digital temperature voltage is greater than or equal to a preset temperature threshold, and the charging device 1 stops charging the hearing aid device 2. The charging control unit 13 is further configured to output the switch control signal to the switch unit 14 when the digital temperature voltage is smaller than the preset temperature threshold, so as to control a circuit between the charging unit 18 and the first power supply unit 21 to be connected, and the charging device 1 charges the hearing aid device 2.
The charging over-temperature protection working principle of the chargeable hearing-aid device with the temperature protection function is as follows: referring to fig. 1, during charging, when the battery temperature of the hearing aid device 2 is too high due to an abnormal factor, and when the digital temperature voltage detected by the temperature detection unit 22 is greater than or equal to the preset temperature threshold TH, the charging control unit 13 controls the switch unit 14 to be turned off, so as to cut off the charging loop to stop charging the hearing aid device 2, thereby preventing the battery from being heated again due to continuous charging.
For convenience of description, the temperature detection unit 22 in the present embodiment uses a thermistor as an example, and the operation principle of the over-temperature protection of the rechargeable hearing aid device with the temperature protection function is explained. When the charging device 1 charges the hearing aid device 2, the temperature of the battery rises, the resistance value of the thermistor changes correspondingly, the thermistor has the function of converting the temperature into an electric signal, the resistance value of the thermistor corresponds to the temperature one by one, and when the rechargeable hearing aid device with the temperature protection function is designed, the thermistor and the battery are close to each other, so that the temperatures of the thermistor and the battery are as close as possible. The thermistor outputs an electric signal to the sampling unit 11 and the analog-to-digital conversion unit 12 of the charging device 1 through the interface unit 3, and then transmits the electric signal to the charging control unit 13, at this time, the charging control unit 13 can monitor the temperature of the battery at every moment during charging, and when the detected temperature is greater than or equal to a preset temperature threshold TH, the charging control unit 13 outputs a switch control signal to control the switch unit 14 to be switched off (when the charging is normal, the switch unit 14 is closed), and a charging loop is cut off. Further, as shown in fig. 3, the charging device 1 may further include a display unit 15, and the display unit 15 of the charging device 1 emits a light alarm to prompt the user to pay attention while the charging loop is cut off. Wherein, the warning threshold value can be predetermine to predetermined temperature threshold value TH for the high temperature, and the temperature sampling voltage that corresponding sampling unit 11 obtained can be V1, and when the temperature of battery rose to TH, the temperature sampling voltage was V1 this moment, and the control of charging control unit 13 cuts off the charging circuit like this, and the light of control shows the warning simultaneously.
In one embodiment, as shown in fig. 2, when the hearing aid device 2 needs to be charged, the charging device 1 is electrically connected with the hearing aid device 2 through an interface unit 3.
In one embodiment, the analog-to-digital conversion unit 12, the charging control unit 13, and the charging unit 18 may be integrated in a charging management chip. Further, when the temperature detecting unit 22 detects that the temperature of the first power supply unit 21 is greater than or equal to the preset temperature threshold, the charging management chip automatically cuts off the charging loop, and the charging device 1 stops charging the hearing aid device 2.
In one embodiment, as shown in fig. 7 and 8, the interface unit 3 is a number of contacts; the charging device 1 is provided with a plurality of contact charging elastic pins 32A, the hearing aid device 2 is provided with a plurality of contact copper sheets 32B, and each contact copper sheet 32B is correspondingly connected with one contact charging elastic pin 32A; the charging device 1 and the hearing aid device 2 are in contact type electrical connection through a plurality of contact charging pins 32A and a plurality of contact copper sheets 32B.
In one embodiment, as shown in fig. 7 and 8, the charging device 1 is provided with two recesses 19, each recess 19 being adapted to receive one hearing aid device 2; each groove 19 is provided with a bulge 31A and four contact charging spring pins 32A, and the four contact charging spring pins 32A are respectively positioned on the periphery of the bulge 31A; the hearing aid device 2 is provided with a recess 31B and four contact copper sheets 32B, the four contact copper sheets 32B are respectively located around the recess 31B, and one of the contact copper sheets 32B is connected with the temperature detection unit 22. The projection 31A can be placed in the recess 31B in order to fix the hearing device 2 in the charging device 1. Further, the temperature detecting unit 22 in FIG. 8 may be connected to the contact copper sheet 32B-1, and the contact charging pogo pin 32A-1 in FIG. 7 and the contact copper sheet 32B-1 in FIG. 8 may be used to transmit the temperature detection signal. Further, as shown in fig. 7, the charging control unit 13 may adopt an MCU, and is disposed in the charging device 1, and as shown in fig. 8, the temperature detection unit 22 adopts a negative temperature coefficient thermistor.
The chargeable hearing-aid device with the temperature protection function provided by the embodiment can prevent the hearing-aid device 2 from being charged in a high-temperature environment, and the service life of the battery is ensured. Above-mentioned predetermined temperature threshold value TH, when the sun insolate or be close to the source that generates heat, hearing aid device 2's temperature can reach predetermined temperature threshold value TH, and charging device 1 cuts off the charged state this moment, has avoided the phenomenon of high temperature charging to the battery has been protected, simultaneously, has reduced the battery and has been scalded, has been smoked, has been fired, has exploded or the appearance of explosion because of charging overheated to lead to, has improved hearing aid device's factor of safety. The rechargeable hearing aid device with the temperature protection function has the advantages that the battery and other electronic components have failure probability, when a certain device or the battery fails, a user of the rechargeable hearing aid device with the temperature protection function still charges the product, compared with the prior art that the hearing aid device without the charging over-temperature protection can continuously charge the battery, the battery is easy to generate burning, smoking, firing, bursting or explosion under the condition. The embodiment can avoid the situation and cut off the charging loop, thereby avoiding the situation of battery reheating caused by continuous charging.
In one embodiment, as shown in fig. 4, the hearing device 2 may further comprise a sound collection unit 23, a signal processing unit 24 and an output unit 25. The sound collection unit 23 may be configured to collect a sound signal and convert the sound signal into a sound voltage signal; the signal processing unit 24 may be connected to the sound collecting unit 23, and configured to amplify the sound voltage signal to obtain an amplified signal, and control the amplified signal according to an externally input trigger signal; the output unit 25 may be connected to the signal processing unit 24 for converting the amplified signal into the amplified sound signal.
In one embodiment, as shown in fig. 5, the signal processing unit 24 may be a digital signal processing unit 24; the digital signal processing unit 24 may include a digital signal processing chip 243; the digital signal processing chip 243 is connected to the sound collecting unit 23 and the output unit 25. The digital signal chip can adopt DSP.
In one embodiment, as shown in fig. 6, the signal processing unit 24 may be an analog signal processing unit 24; the analog signal processing unit 24 may include an amplification module 241 and a sound control module 242. The amplifying module 241 may be connected to the sound collecting unit 23 and the output unit 25, and configured to amplify the sound voltage signal to obtain an amplified signal and output the amplified signal; the sound control module 242 may be connected to the amplifying module 241, and configured to control the amplifying signal according to an externally input trigger signal. The sound control module 242 may adopt an MCU, and of course, the sound control module 242 may also adopt other control modules with equivalent functions, which is not particularly limited in this application.
In one embodiment, as shown in fig. 3, the charging device 1 may further include a display unit 15, and the display unit 15 may be connected to the charging control unit 13 for displaying the charging status; wherein the state of charge comprises at least one of a state of charge process and a state of charge saturation.
In one embodiment, as shown in fig. 3, the charging device 1 may further include an alarm unit 16, and the alarm unit 16 may be connected to the charging control unit 13, and configured to send an alarm signal to the alarm unit 16, the alarm signal being formed by controlling the line between the charging unit 18 and the first power supply unit 21 to be disconnected with respect to the charging control unit 13. Further, the alarm unit 16 may be a light alarm, the alarm unit 16 may be disposed on the display unit 15, and when the charging control unit 13 cuts off the charging loop, the display unit 15 of the charging device 1 sends out the light alarm to prompt the user to pay attention.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A chargeable hearing assistance device with temperature protection, the chargeable hearing assistance device comprising: a charging device and a hearing aid device; when the hearing-aid device needs to be charged, the charging device is connected with the hearing-aid device;
the hearing aid device is used for collecting sound signals, converting the sound signals into sound voltage signals, then amplifying the sound voltage signals to obtain amplified signals, and converting the amplified signals into the amplified sound signals;
the hearing aid device comprises a first power supply unit and a temperature detection unit; wherein the first power supply unit comprises a rechargeable battery and is used for supplying power to the hearing aid device; the temperature detection unit is used for detecting the temperature of the first power supply unit and outputting a temperature detection signal;
the charging device includes:
a second power supply unit for supplying power to the charging device;
the sampling unit is used for sampling the temperature detection signal and obtaining temperature sampling voltage;
the analog-to-digital conversion unit is connected with the sampling unit and is used for performing analog-to-digital conversion on the temperature sampling voltage to obtain a digital temperature voltage;
the charging control unit is connected with the analog-to-digital conversion unit and used for controlling whether the first power supply unit is charged or not based on the digital temperature voltage;
the charging unit is connected with the charging control unit and is used for charging the first power supply unit according to the charging control signal output by the charging control unit; and
and the switch unit is connected with the charging control unit and the charging unit, arranged between the charging unit and the first power supply unit and used for controlling the on-off of a circuit between the charging unit and the first power supply unit according to the switch control signal output by the charging control unit.
2. The chargeable hearing assistance device with temperature protection function of claim 1,
the charging control unit is used for outputting the switch control signal to the switch unit when the digital temperature voltage is greater than or equal to a preset temperature threshold value so as to control the circuit between the charging unit and the first power supply unit to be disconnected, and the charging device stops charging the hearing aid device;
the charging control unit is used for outputting the switch control signal to the switch unit when the digital temperature voltage is smaller than the preset temperature threshold value so as to control the circuit connection between the charging unit and the first power supply unit, and the charging device charges the hearing aid device.
3. The chargeable hearing assistance device with temperature protection function of claim 1,
the analog-to-digital conversion unit, the charging control unit and the charging unit are integrated on a charging management chip.
4. The chargeable hearing assistance device with temperature protection function of claim 1,
when the hearing aid device needs to be charged, the charging device is electrically connected with the hearing aid device through the interface unit.
5. The chargeable hearing assistance device with temperature protection according to claim 4 wherein the interface unit is a plurality of contacts;
the hearing aid device is provided with a plurality of contact charging elastic pins, the hearing aid device is provided with a plurality of contact copper sheets, and each contact copper sheet is correspondingly connected with one contact charging elastic pin; the charging device and the hearing aid device are in contact type electric connection through a plurality of contact charging elastic pins and a plurality of contact copper sheets.
6. The chargeable hearing assistance device with temperature protection according to claim 5,
the charging device is provided with two grooves, and each groove is used for placing one hearing aid device; each groove is provided with a bulge and four contact charging spring pins, and the four contact charging spring pins are respectively positioned on the periphery of the bulge;
the hearing aid device is provided with a recess and four contact copper sheets, the four contact copper sheets are respectively positioned on the periphery of the recess, and one of the contact copper sheets is connected with the temperature detection unit; the protrusion can be disposed in the recess.
7. The chargeable hearing assistance device with temperature protection of claim 1 wherein the hearing assistance apparatus further comprises:
the sound acquisition unit is used for acquiring sound signals and converting the sound signals into sound voltage signals;
the signal processing unit is connected with the sound acquisition unit and used for amplifying the sound voltage signal to obtain an amplified signal and controlling the amplified signal according to an externally input trigger signal; and
and the output unit is connected with the signal processing unit and is used for converting the amplified signal into the amplified sound signal.
8. The chargeable hearing assistance device with temperature protection according to claim 7 wherein the signal processing unit is a digital signal processing unit;
the digital signal processing unit comprises a digital signal processing chip; the digital signal processing chip is connected with the sound acquisition unit and the output unit.
9. The chargeable hearing assistance device with temperature protection of claim 1 wherein the charging means further comprises:
the display unit is connected with the charging control unit and used for displaying the charging state; wherein the state of charge comprises at least one of a state of charge process and a state of charge saturation.
10. The chargeable hearing assistance device with temperature protection of claim 1 wherein the charging means further comprises:
and the alarm unit is connected with the charging control unit and used for sending an alarm signal formed by the disconnection of a circuit between the charging unit and the first power supply unit to the alarm unit under the control of the charging control unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023351554.6U CN213783598U (en) | 2020-12-31 | 2020-12-31 | Rechargeable hearing-aid device with temperature protection function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023351554.6U CN213783598U (en) | 2020-12-31 | 2020-12-31 | Rechargeable hearing-aid device with temperature protection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727267A (en) * | 2021-10-16 | 2021-11-30 | 武汉左点科技有限公司 | Electric quantity monitoring and alarming method and device for hearing aid |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727267A (en) * | 2021-10-16 | 2021-11-30 | 武汉左点科技有限公司 | Electric quantity monitoring and alarming method and device for hearing aid |
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