CN108743003A - Hot air therapeutic device - Google Patents

Abstract

The invention provides a hot air treatment device, which comprises a shell with a holding part, wherein a fan and a heating pipe are arranged in the shell; the air outlet assembly comprises a first air nozzle and a second air nozzle, the first air nozzle is arranged at the second end of the heating tube, and the second air nozzle is detachably and partially arranged in the first air nozzle and can rotate for a certain angle; the shell is also internally provided with a control circuit board and a power circuit board, and the power circuit board is provided with an electronic transformer which supplies power to electronic devices of the control circuit board after converting alternating current into direct current; the control circuit board is provided with a controller and at least one control key, and the control key outputs a control signal to the controller. The invention has the characteristics of small integral volume and convenient use.

Description

hot air therapy device

technical field

The invention relates to the field of treatment equipment, in particular to a hot wind treatment device.

Background technique

Physical therapy is the main body of rehabilitation therapy. It uses physical factors including sound, light, cold, heat, electricity, and force for treatment. It uses non-invasive and non-drug treatments for local or systemic dysfunction or lesions in the human body. To restore the original physiological functions of the body.

Traditional hot air therapy equipment generally includes a treatment device and a control panel/controller. This combined treatment device is used to perform physical therapy on a part of the patient's body. Circulation, muscle relaxation, etc., to achieve the purpose of shortening the recovery period of patients.

Existing hot air treatment equipment generally uses EI transformers to transmit electric energy. Because EI transformers have the characteristics of low efficiency, large volume and weight, the overall volume of the treatment equipment is too large, which is not suitable for operators to carry and use, and reduces the physical therapy equipment. and because the treatment device and the control panel/controller are placed and used separately, it is extremely inconvenient to operate.

Contents of the invention

The purpose of the present invention is to realize a hot air treatment device with small overall volume, high power consumption efficiency and convenient use.

In order to achieve the above object, the present invention provides a hot air treatment device, which includes a housing with a gripping portion (such as a handle), which is in the shape of a pistol, and a fan and a heat pipe are arranged in the housing, and the muzzle-shaped end of the housing An air outlet assembly is provided, the fan is arranged at the first end of the heat pipe, and the air outlet assembly is arranged at the second end of the heat pipe; the air outlet assembly includes a first air nozzle and a second air nozzle, and the first air nozzle is arranged on the heat pipe The second end, the second air nozzle is detachably partly installed in the first air nozzle and can rotate clockwise or counterclockwise around the central axis at a certain angle; the housing is provided with a control circuit board and a power supply circuit board, the power supply An electronic transformer is arranged on the circuit board, and the electronic transformer converts alternating current into direct current to supply power to the electronic devices on the control circuit board; a controller and at least one control button are arranged on the control circuit board, and the control button outputs control keys to the controller Signal.

The hot air therapy device generates fast-flowing hot air, that is, hot air, through the fan in the casing and the heating tube, and then guides the hot air through the air outlet assembly. Wherein, arranging a control circuit board in the housing can realize the control of multiple functions of the hot air therapy device. Preferably, a power supply circuit board is also provided in the casing, and the electronic transformer on the power supply circuit board is used to replace the traditional EI transformer, and the electronic transformer can convert the alternating current obtained from the power supply line into direct current to the control circuit board. The electric energy provided by the electronic device can greatly reduce the overall volume of the hot air therapy device, and the operator can carry it conveniently and use it, and the power consumption efficiency of the hot wind therapy device is improved.

The first air nozzle is arranged on the air outlet component to concentrate the hot air and improve the air outlet effect. A detachable second air nozzle is installed on the first air nozzle to further concentrate the hot air and enhance the air outlet effect. Preferably, the operator can install or disassemble the second air nozzle according to the air outlet effect he needs, which greatly facilitates the use of the operator.

A further solution is that the second air nozzle includes a fixed part connected to the first air nozzle and an extension part, the fixed part is fixed inside the first air nozzle, and the extension part is located outside the casing.

The second air nozzle is connected and fixed to the first air nozzle through the fixing part, and the second air nozzle also concentrates the hot air through the extension part and then leads it out.

Both the extension part and the fixing part are cylindrical. Preferably, the extension part has a bent part, and the angle range between the axis of the fixing part and the axis of the bent part of the extension part is between 30°-60°, which is relatively Preferably it is 45°.

Further, the second air nozzle can rotate clockwise or counterclockwise around the axis for a certain angle within an angle range of 0°-90°, preferably between 0°-45°. Since the bent second air nozzle can be rotated to change the angle, the operation is very convenient and flexible.

A further solution is that a controller and at least one control button are arranged on the control circuit board, and the control button outputs a control signal to the controller. The operator can issue instructions to the control circuit board by operating a plurality of control buttons, so as to realize the setting of a plurality of functional parameters of the hot air therapy device.

A further solution is that a display screen electrically connected to the controller is also arranged on the control circuit board. The display screen can display the functional parameters on the control circuit board, further allowing the operator to conveniently use the hot air therapy device.

A further solution is that a buzzer is also arranged in the housing, and the buzzer receives a signal from the controller. When the controller receives the command signal sent by the operator to operate, the buzzer can emit a corresponding prompt sound, which is convenient for the operator to check the setting status of the hot air therapy device.

A further solution is that a temperature detection device is also arranged in the air outlet assembly, and the temperature detection device outputs a temperature signal to the controller. The temperature detection device can detect the temperature of the environment, and convert the temperature signal into an electrical signal and output it to the controller.

A further solution is that an overheat protection device can also be arranged on the power supply circuit board. The overheating protection device can cut off the circuit when the circuit abnormally rises to a certain height and heat to achieve the purpose of protecting the electronic transformer.

Description of drawings

Fig. 1 is an exploded view of an embodiment of the hot air therapy device of the present invention.

Fig. 2 is a structural view of an embodiment of the hot air therapy device shown in Fig. 1 from a first perspective.

Fig. 3 is a structural diagram of a second viewing angle of an embodiment of the hot air therapy device shown in Fig. 1 .

Fig. 4 is an internal structure diagram of the hot air therapy device shown in Fig. 2 .

Fig. 5 is a cross-sectional view of the first air nozzle of the hot air treatment device shown in Fig. 1 and part of the heating tubes connected together.

Fig. 6 is a cross-sectional view of the connection of the first air nozzle, the bent second air nozzle and part of the heating tube in an embodiment of the hot air therapy device of the present invention.

Fig. 7 is a structural diagram of the second air nozzle shown in Fig. 6 .

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Detailed ways

Referring to FIG. 1 to FIG. 7 , the hot air therapy device of this embodiment is roughly pistol-shaped in shape, and includes a housing 1 and a power cord 3 . The power cord 3 supplies power to the device and electronic devices in the housing 1 . Wherein, the shell 1 includes a first shell 12 and a second shell 14, the first shell 12 and the second shell 14 are connected together by a fixing member such as a plurality of screws, and the shell 1 is provided with a handle 15 , and a fan 2 driven by a motor (not shown in the figure), a heat pipe 6 and an air outlet assembly 5 are arranged above the handle 15. The heat pipe 6 has a first end 60 and a second end 62, and the air outlet assembly 5 is arranged on The muzzle-shaped end of the casing 1 is connected to the second end 62 of the heat pipe 6 , the heat pipe 6 is located between the air outlet assembly 5 and the fan 2 , and the first end 60 of the heat pipe 6 is connected to the fan 2 . Preferably, the heat pipe 6 and the fan 2 are fixedly connected through the connecting pipe 4 . The casing 1 is provided with a hollow portion 16 corresponding to the position of the fan 2 . After electrification, the fan 2 inhales the outside air through the hollow part 16, quickly pushes the surrounding air to the heating tube 6, the flowing air is heated by the heating tube 6, and finally the hot air is exported to the local affected area through the air outlet component 5 for treatment.

Preferably, a temperature detection device 58 is also provided in the air outlet assembly 5. As shown in FIG. The circuit board 9 outputs a temperature signal.

The air outlet assembly 5 includes a first air nozzle 51 and a second air nozzle 52, wherein one end of the first air nozzle 51 is connected to the second end 62 of the heating pipe 6, and the second air nozzle 52 is detachably mounted on the first air nozzle 52. The inside of the mouth 51 can rotate a certain angle clockwise or counterclockwise around the central axis, and the other parts are located outside the housing 1 . In this embodiment, the length of the first air nozzle 51 is shorter than the length of the second air nozzle 52, and the diameter of the first air nozzle 51 is larger than the diameter of the second air nozzle 52, so that a part of the second air nozzle 52 can be installed on the first air nozzle 52. Inside the tuyere 51 and can rotate. The first air nozzle 51 guides the hot air from the heat pipe 6 out of the casing 1, and the second air nozzle 52 is installed on the first air nozzle 51, which can concentrate the hot air and improve the air outlet effect. The operator can install or disassemble the second air nozzle 52 by selecting the air outlet effect through the control key according to his own needs, which greatly facilitates the use of the operator.

Wherein, the second air nozzle 52 includes a fixed part 53 and an extension part 54, the extension part 54 and the fixed part 53 are both cylindrical and fixedly connected, the extension part 54 extends out of the housing 1, and the fixed part 53 is detachable and rotatable installed in the first air nozzle 51.

In this embodiment, the second air nozzle has two configurations, one is a linear second air nozzle 52, that is, the fixed part 53 and the extension part 54 are coaxially arranged, and the fixed part 53 of the second air nozzle 52 A sealing ring 7 is provided between the first air nozzle 51 to improve the sealing performance of hot air transmission.

Another configuration of the second air nozzle 520 has a fixed part 530 and an extension part 540, and the extension part 540 has a bent part 545. The axes of the remaining parts form an included angle, and the angle range of the included angle can be between 30° and 60°, preferably 45°. The fixing portion 530 of the second air nozzle 520 and the first air nozzle 51 are respectively provided with connecting mechanisms that cooperate with each other and allow a certain angle of rotation, so that the fixing portion 530 of the second air nozzle 52 is detachably installed on the first air nozzle 51. The mouth 51 can be rotated clockwise or counterclockwise by a certain angle around the axis under human control, for example, between 0°-50°, preferably between 0°-45°. This connection mechanism that allows rotation can be realized through various existing technical methods, which will not be described in detail here. A sealing ring 70 is provided between the fixing part 530 and the first air nozzle 51 for improving the sealing performance of hot air transmission.

It can be seen that the second air nozzle can be straight or curved. The operator can choose the type and angle of the second air nozzle according to the operation needs, such as the habit of his left and right hands, the effect of air outlet or the needs of the treatment site. You can also choose not to install the second air nozzle as required, and directly use the first air nozzle to output air.

The housing 1 is also provided with a control circuit board 9, a power supply circuit board 10, a power supply control circuit board 11 and a buzzer 13. The control circuit board 9 is connected to the buzzer 13, the power supply control circuit board 11 and the power supply circuit board 10 respectively. Electrical connection between. The control circuit board 9 is also provided with a plurality of controllers (not shown in the figure) and a plurality of control buttons 92, the controller receives the control signal sent by the control buttons 92, and can control and adjust such as time, temperature and wind speed, etc. Preferably, the control circuit board 9 is also provided with a display screen 93. When the controller receives the control signal sent by the operator operating the control button 92 to operate, the buzzer 13 can emit a corresponding prompt sound, and the operator can display The screen 93 can view the parameter setting information of the hot air therapy device, such as: temperature value, wind speed setting value, etc., so that the operator can use the hot wind therapy device conveniently. A window 90 is provided on the housing 1 corresponding to the position of the control buttons 92 and the display screen 93 of the control circuit board 9, and a transparent cover 94 is installed on the window 90 for seeing through and protecting the display screen 93. A plurality of through holes 942 through which the control button 92 passes. Display screen 93 can adopt LED display screen.

The power circuit board 10 is electrically connected with the power line 3, so that the power line 3 supplies power to the devices and electronic devices in the housing 1 through the power circuit board 10, and the power circuit board 10 is provided with an electronic transformer 101, and the electronic transformer 101 The alternating current obtained from the power line 3 is converted into direct current to supply power to the electronic devices on the control circuit board 9 . It can be seen that the hot wind treatment device replaces the traditional EI transformer by setting the electronic transformer 101 on the power supply circuit board 10, which greatly reduces the overall volume of the hot wind treatment device, and the electronic transformer 101 can convert alternating current into direct current so that the control circuit board 9 The electronic devices on the device can work, and can realize the integration of the main body and the controller of the treatment device, and it can work as long as an external power cord 3 is connected, so that the treatment device is not only small in size, but also convenient to carry and use, and improves the power consumption efficiency .

The power supply circuit board 10 is also electrically connected with an overheating protection device 8, and the overheating protection device 8 is set near the heat pipe 6. When the internal parts of the hot air therapy device lose their original control ability under special circumstances, when the temperature rises to 150°C, it is considered dangerous , the overheat protection device 8 will cut off the power supply to ensure the safety of the operator. Further, the overheat protection device 8 may be a resettable fuse (PPTC Fuse). Of course, the overheating protection device can also be arranged at any other suitable position in the housing 1 .

Wherein, the power supply circuit board 10 also receives the control signal output by the power supply control circuit board 11, and the power control circuit board 11 is provided with a switch push button 110, the operator can control the switch of the power supply circuit board 10 through the switch push button 110, thereby controlling The working state of the whole hot air therapy device.

In the above embodiment, the power circuit board 10 and the power control circuit board 11 are arranged in the housing at the position of the handle 15, of course, they can also be arranged in other appropriate locations.

It can be known from the above that the embodiment of the hot wind therapy device of the present invention uses an electronic transformer instead of the traditional EI transformer, so that the hot wind therapy device is not only small in size, but also easy to carry and use, and improves the power consumption efficiency. In addition, due to the above-mentioned micro-control unit and overheating protection device, the temperature, wind speed and blowing time of the blowing port can be adjusted, so that the product can operate in an efficient, stable and safe closing state.

Due to the above-mentioned structure, the electronic transformer and the controller are integrated with the main body of the device, and at the same time, the LED display is used to clearly display the temperature value, time setting value, and wind speed setting value on the front of the device main body, so that It is extremely convenient to operate and easy to carry.

Finally, it needs to be emphasized that the present invention is not limited to the above-mentioned embodiments, such as using an electronic transformer to realize power transmission after changing the device in the housing should also be included in the scope of protection of the claims of the present invention.

Claims (10)

1. Hot air therapy device, including: A housing with a holding part, a fan and a heat pipe are arranged in the housing, an air outlet assembly is arranged at the end of the housing, the fan is arranged at the first end of the heat pipe, and the outlet The wind assembly is arranged at the second end of the heating pipe; It is characterized by: The air outlet assembly includes a first air nozzle and a second air nozzle, the first air nozzle is arranged at the second end of the heating pipe, and the second air nozzle is partially detachably mounted on the first air nozzle Inside and can rotate a certain angle clockwise or counterclockwise around the central axis; The housing is provided with a control circuit board and a power circuit board, and an electronic transformer is provided on the power circuit board, and the electronic transformer converts alternating current into direct current to supply power to the electronic devices of the control circuit board; the control circuit A controller and at least one control button are arranged on the board, and the control button outputs a control signal to the controller. 2. The hot wind therapy device according to claim 1, characterized in that: The second air nozzle includes a fixed part and an extension part, the fixed part is fixed in the first air nozzle, and the extension part is located outside the casing. 3. The hot wind therapy device according to claim 2, characterized in that: Both the extension part and the fixing part are cylindrical, the extension part has a bent part, and the bent part of the extension part forms an included angle with the rest of the second air nozzle. 4. The hot air therapy device according to claim 3, characterized in that: The angle formed between the bent part of the extension part and the remaining part of the second tuyere is between 30° and 60°. 5. The hot air therapy device according to claim 3, characterized in that: The angle formed by the bent part of the extension part and the remaining part of the second air nozzle is 45°. 6. The hot air therapy device according to claim 1, characterized in that: The angle range at which the second air nozzle can rotate clockwise or counterclockwise around the axis is between 0° and 90°. 7. The hot air therapy device according to claim 1, characterized in that: The angle at which the second air nozzle can rotate clockwise or counterclockwise around the axis ranges from 0° to 45°. 8. The hot air therapy device according to claim 1, characterized in that: A display screen electrically connected to the controller is also arranged on the control circuit board. 9. The hot air therapy device according to claim 1, characterized in that: A buzzer is also arranged in the housing, and the buzzer receives a signal from the controller to emit an operation prompt sound when the operator presses the control button. 10. The hot air therapy device according to claim 1, characterized in that: A temperature detection device is also arranged in the air outlet assembly, and the temperature detection device outputs a temperature signal to the controller.