System for sterilizing charging bin

Abstract

The utility model relates to the technical field of wireless earphones, in particular to a sterilization charging bin system, which mainly comprises an earphone bin cover, a light-transmitting protective sheet, a UV sterilization lamp and an earphone bin box body, an earphone placing cavity is arranged in the earphone bin box body, a groove is arranged at the bottom of the earphone placing cavity, the UV sterilization lamp is arranged in the groove, and the UV sterilization lamp is arranged in the groove. And the light-transmitting protective sheet is arranged at the port, located in the earphone placing cavity, of the groove. Through the above structure, the efficient UV-B light source is integrated in the internal structure of the electric cabin, and the UV-B light source has an effective sterilization capability, so that bacteria and viruses on the surface of the earphone can be significantly reduced in a short time, and the sanitary safety of a user is guaranteed. In order to ensure a better sterilization effect, the power and the irradiation range of the light source are precisely and optimally designed according to the internal size of the charging bin, so that the surface of the earphone can be fully covered, and a uniform and efficient sterilization process is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless earphone technical field, specifically, relate to a system of sterilization charging warehouse. BACKGROUND

[0002] With the popularity of wireless earphones and the widespread application of intelligent mobile devices, users have increasingly high requirements for the portability and endurance of audio devices. Wireless earphones have rapidly occupied an important share of the consumer electronics market with their advantages of lightness, wireless connection, and high sound quality. However, the frequent use of wireless earphones also increases the demand for charging, prompting charging warehouses to become an indispensable accessory for wireless earphones.

[0003] The main function of existing wireless earphone charging warehouses is to provide power supply for earphones to extend the use time of earphones. Some high-end models of charging warehouses have integrated wireless charging, fast charging technology, and intelligent charging management systems to improve user experience. However, as users increasingly pay attention to earphone hygiene and health, the traditional charging warehouse is particularly weak in this regard.

[0004] Although the wireless earphone charging warehouses on the market have made certain progress in charging efficiency and portability, there are still significant shortcomings in the hygiene management of earphones and charging warehouses. Many existing products lack effective sterilization functions, which can cause earphones to accumulate sweat, oil, and bacteria on their surfaces during long-term use, increasing the risk of ear infections and skin discomfort for users. SUMMARY

[0005] The utility model aims to provide a system of sterilization charging warehouse to solve the problem of hygiene in the prior art.

[0006] The utility model realizes the following technical solutions:

[0007] A sterilization charging warehouse suitable for wireless earphones includes an earphone warehouse cover, a light-transmitting protective sheet, a UV sterilization lamp, and an earphone warehouse box body. The earphone warehouse cover is used to combine with the earphone warehouse box body to form a complete charging warehouse. An earphone placement cavity is formed in the earphone warehouse box body. A groove is formed in the bottom of the earphone placement cavity. The UV sterilization lamp is arranged in the groove. The light-transmitting protective sheet is arranged at the port of the earphone placement cavity.

[0008] Preferably, the earphone placement cavity includes two placement units. The placement units include an end placement cavity and a tail placement cavity. The groove is formed in the end placement cavity. The tail placement cavity is arranged around the outside of the end placement cavity and is in communication with the end placement cavity.

[0009] The application discloses a system of a sterilization charging cabin, which comprises the sterilization charging cabin for wireless earphones, a processing unit, a power conversion module, a power module, an earphone charging module, a UV sterilization lamp control module and a temperature detection module.

[0010] The power module is connected with the processing unit through the power conversion module.

[0011] The earphone charging module is connected with the power conversion module and is used for charging the earphones.

[0012] The UV sterilization lamp control module is connected with the processing unit and is used for receiving the control command of the processing unit and controlling the opening and closing of the UV sterilization lamp.

[0013] The temperature detection module is connected with the processing unit.

[0014] Preferably, the earphone charging module comprises a charging control circuit and a charging spring needle, the charging spring needle is connected with the charging control circuit and is used for contacting the charging contact part at the bottom of the wireless earphones, and the charging control circuit is connected with the power conversion module.

[0015] Preferably, the UV sterilization lamp control module comprises an earphone entering cabin detection module and a sterilization lamp control circuit, the earphone entering cabin detection module is connected with the sterilization lamp control circuit and is used for detecting whether the earphones enter the charging cabin, and the sterilization lamp control circuit is connected with the UV sterilization lamp.

[0016] Preferably, the system further comprises a closing detection module and a breathing indicator lamp connected with the processing unit.

[0017] The closing detection module is used for detecting whether the charging cabin is closed.

[0018] The breathing indicator lamp is used for displaying different color flashes.

[0019] Preferably, the charging control circuit comprises a charging control chip, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first inductor, a first electrostatic protection device, a second electrostatic protection device, a third electrostatic protection device, a first field effect transistor, a first diode, a second diode, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor and a seventh resistor.

[0020] One end of the first capacitor is connected with the charging interface module, the other end of the first capacitor is connected with the first electrostatic protection device, the first diode and the first field effect transistor, the other ends of the first diode and the first field effect transistor are commonly connected with the charging control chip and the second capacitor, and the other end of the first field effect transistor is connected with the first resistor.

[0021] The second diode and one end of the second resistor are connected with the charging control chip, and the other end of the second diode is connected with the processing unit;

[0022] One end of the third resistor is connected with the processing unit and the charging control chip respectively, the fourth resistor is connected with the fifth resistor, and the other end of the fifth resistor is connected with the charging control chip;

[0023] One end of the third capacitor is connected with the first inductor and the charging control chip respectively, the other end of the first inductor is connected with the charging control chip, one end of the fourth capacitor is connected with the charging control chip, the sixth resistor and the seventh resistor respectively, and the other ends of the sixth resistor and the seventh resistor are connected with the charging control chip and the charging spring needle respectively;

[0024] One end of the second electrostatic protector and the third electrostatic protector is connected with the charging control chip and the charging spring needle respectively.

[0025] Preferably, the second field effect tube, the eighth resistor, the ninth resistor, the tenth resistor, the eleventh resistor and the fifth capacitor are further included;

[0026] The earphone warehouse detection module is connected with the second field effect tube, the other end of the second field effect tube is connected with the eighth resistor and the ninth resistor respectively, the other end of the second field effect tube is connected with the tenth resistor and the eleventh resistor respectively, the other end of the eleventh resistor is connected with the processing unit, and the other end of the ninth resistor is connected with the fifth capacitor and the processing unit respectively.

[0027] Preferably, the germicidal lamp control circuit includes a third field effect tube, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor and a sixth capacitor;

[0028] One end of the breathing indicator lamp is connected with the eighteenth resistor, the other end is connected with the third capacitor and the charging control chip respectively, the other end of the eighteenth resistor is connected with the third field effect tube, the other end of the third field effect tube is connected with the nineteenth resistor and the twentieth resistor, and the other end of the twentieth resistor is connected with the thirteenth resistor;

[0029] Both ends of the sixth capacitor are connected with the processing unit, and one end of the twelfth resistor is connected with the processing unit and one end of the sixth capacitor;

[0030] One end of the fourteenth resistor and the fifteenth resistor is connected with the processing unit respectively, and the other end of the fifteenth resistor is connected with the temperature detection module.

[0031] The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0032] The above structure of the utility model has the following advantages, mainly including earphone compartment cover, light-transmitting protective sheet, UV sterilization lamp and earphone compartment box body, the earphone compartment box body is internally provided with earphone placing cavity, the bottom of the earphone placing cavity is provided with recess, the recess is internally provided with the UV sterilization lamp, the recess is provided with the light-transmitting protective sheet at the port of the earphone placing cavity. Through the above structure, the efficient UV-B light source is integrated in the internal structure of the electric compartment, the UV-B light source has effective sterilization capacity, can significantly reduce the bacteria and virus on the surface of the earphone in a short time, thereby guaranteeing the health safety of the user. Compared with the UV-C light source, the UV-B light source has smaller harm to the human body, and provides safer use experience. In order to ensure better sterilization effect, the power and irradiation range of the light source are accurately optimized and designed according to the internal size of the charging compartment, so as to ensure that the earphone surface can be fully covered, and the uniform and efficient sterilization process is realized. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as limiting the scope, and for the ordinary skilled in the art, other related drawings can be obtained according to these drawings without creative labor.

[0034] Figure 1 It is the overall structure schematic view of the utility model;

[0035] Figure 2 It is the structure schematic view of the earphone compartment box body of the utility model;

[0036] Figure 3 It is the connection schematic view of the system of the utility model;

[0037] Figure 4 It is the circuit structure schematic view of the system of the utility model.

[0038] Icon: 1-earphone warehouse cover, 2-translucent protective sheet, 3-UV sterilization lamp, 4-earphone warehouse box body, 5-end placement cavity, 6-tail placement cavity, U1-charging control chip, C1-first capacitor, C4-second capacitor, C2-third capacitor, C3-fourth capacitor, C5-fifth capacitor, C6-sixth capacitor, L1-first inductor, ESD1-first static electricity protector, D3-second static electricity protector, D4-third static electricity protector, Q1-first field effect tube, Q2-second field effect tube, Q3-third field effect tube, D1-first diode, D2-second diode, R5-first resistance, R8-second resistance, R10-third resistance, R11-fourth resistance, R7-fifth resistance, R3-sixth resistance, R4-seventh resistance, R13-eighth resistance, R12-ninth resistance, R9-tenth resistance, R8-eleventh resistance, R14-twelfth resistance, R15-thirteenth resistance, R16-fourteenth resistance, R17-fifteenth resistance, R18-eighteenth resistance, R21-nineteenth resistance, R20-twentieth resistance R20. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the utility model embodiments described and shown in the drawings here can be arranged and designed in various different configurations.

[0040] Please refer to Figures 1-4 The utility model provides a kind of sterilization charging bin suitable for wireless earphone, including earphone warehouse cover 1, translucent protective sheet 2, UV sterilization lamp 3 and earphone warehouse box body 4, earphone warehouse cover 1 is used to synthesize complete charging bin with earphone warehouse box body 4, earphone warehouse box body 4 is in the earphone placement cavity being set, the bottom of earphone placement cavity is provided with recess, recess is provided with UV sterilization lamp 3 in, recess is located in the port of earphone placement cavity and is provided with translucent protective sheet 2.

[0041] Among them, earphone placement cavity includes two placement units, and the placement unit includes end placement cavity 5 and tail placement cavity 6, recess is set in end placement cavity 5, and tail placement cavity 6 is set around the outside of end placement cavity 5 and is communicated with end placement cavity 5.

[0042] Secondly, translucent protective sheet 2 can prevent sweat, grease and other impurities on the surface of earphone from entering the ultraviolet light source area, to avoid performance degradation or damage of light source due to pollution. At the same time, the translucent protective sheet 2 has high light transmittance, ensuring that UV-B light can fully reach the area to be disinfected.

[0043] In the embodiment, the UV sterilization lamp 3 preferably adopts a UV-B light source.

[0044] The above structure of the utility model mainly includes earphone storage cover 1, light transmission protection sheet 2, UV sterilization lamp 3 and earphone storage box 4, earphone storage cavity is set up in earphone storage box 4, the bottom of earphone storage cavity is provided with recess, UV sterilization lamp 3 is arranged in recess, and light transmission protection sheet 2 is arranged at the port of earphone storage cavity. Through the above structure, the efficient UV-B light source is integrated in the internal structure of the electric warehouse, the UV-B light source has effective sterilization capacity, can significantly reduce the bacteria and viruses on the surface of earphone in a short time, so as to guarantee the health and safety of users. Compared with UV-C light source, the UV-B light source has less harm to human body, and provides safer use experience. In order to ensure better sterilization effect, the power and irradiation range of the light source are accurately optimized and designed according to the internal dimensions of the charging warehouse, so as to ensure that the surface of earphone can be fully covered, and uniform and efficient sterilization process is realized.

[0045] In the utility model, a system of sterilization charging warehouse is also provided, including the above-mentioned sterilization charging warehouse suitable for wireless earphone, and further including a processing unit, a power conversion module, a power module, an earphone charging module, a UV sterilization lamp 3 control module and a temperature detection module; the power module is connected with the processing unit through the power conversion module, the earphone charging module is connected with the power conversion module, and is used for charging the earphone; the UV sterilization lamp 3 control module is connected with the processing unit, is used for receiving the control command of the processing unit, controls the opening and closing of the UV sterilization lamp 3; and the temperature detection module is connected with the processing unit.

[0046] The power module is a lithium battery, which provides stable power supply for the whole system, ensures the normal operation of each module, is connected to the power conversion circuit through the charging port, charges the lithium battery, and provides the required power for other modules at the same time.

[0047] The power conversion circuit is used for effectively distributing input current to the earphone charging modules of left and right earphones, and is responsible for managing the charging process of the earphones.

[0048] In an example embodiment of the utility model, the earphone charging module includes a charging control circuit and a charging spring needle, the charging spring needle is connected with the charging control circuit, is used for contacting the charging contact part at the bottom of the wireless earphone, and the charging control circuit is connected with the power conversion module.

[0049] The charging control circuits of left and right earphones are respectively connected with the respective charging spring needles, and independent and efficient charging is realized.

[0050] One example embodiment of the utility model, UV germicidal lamp 3 control module includes earphone enters the warehouse detection module and germicidal lamp control circuit, earphone enters the warehouse detection module and is connected with germicidal lamp control circuit, is used for detecting whether the earphone enters the charging warehouse, and germicidal lamp control circuit is connected with UV germicidal lamp 3.

[0051] The main composition of earphone enters the warehouse detection module is to identify whether the charging control circuit is connected to the processing unit U2, if it has been connected, then it is explained that the earphone enters the charging warehouse.

[0052] Among them, the processing unit U2 is the core of the system as the main control board chip and the minimum circuit, is responsible for the management and coordination of the interaction and communication between each component,

[0053] Temperature detection module is used for real-time monitoring system internal temperature, and temperature data transmission to processing unit U2, ensure that the system runs in the safe temperature range.

[0054] One example embodiment of the utility model, still include with the processing unit U2 connection's closure detection module and breath indicator light:

[0055] Closure detection module is used for detecting whether the charging warehouse is closed, monitors the opening and closing state of the charging warehouse cover, and transmits the detection signal to the processing unit U2;

[0056] Breath indicator light is used to show different color flashes, controlled by the processing unit U2, real-time display system status, provides intuitive state indication through breath type flicker.

[0057] In the process of carrying out the embodiment, earphone enters the warehouse detection module judges whether the earphone has been correctly placed in the charging warehouse.Closure detection module confirms that the charging warehouse cover is in the closed state, ensures the safety of the disinfection process.

[0058] Disinfection control circuit: after detecting that the earphone enters the warehouse and the cover is closed, activate UV germicidal lamp 3, work for 30 seconds to complete effective disinfection. After completion, disinfection control circuit automatically closes, UV germicidal lamp 3, achieves the purpose of energy saving and eye protection.

[0059] The earphone charging bin UV-B sterilization system of the application realizes efficient and automatic sterilization and disinfection of bacteria and viruses on the surface of the earphone and inside the charging bin by integrating an efficient UV-B light source, an intelligent box cover and earphone state detection module and an accurate sterilization control circuit.

[0060] In an example embodiment of the utility model, the charging control circuit includes a charging control chip U1, a first capacitor, a second capacitor C4, a third capacitor C2, a fourth capacitor C3, a first inductor L1, a first electrostatic protector ESD1, a second electrostatic protector D3, a third electrostatic protector D4, a first field effect transistor Q1, a first diode D1, a second diode, a first resistor R5, a second resistor R8, a third resistor R10, a fourth resistor R11, a fifth resistor R7, a sixth resistor R3 and a seventh resistor R4.

[0061] One end of the first capacitor is connected with the charging interface module, and the other end is connected with the first electrostatic protector ESD1, the first diode D1 and the first field effect transistor Q1.

[0062] One end of the second diode and the second resistor R8 is commonly connected with the charging control chip U1, and the other end of the second diode is connected with the processing unit U2.

[0063] One end of the third resistor R10 is respectively connected with the processing unit U2 and the charging control chip U1, the fourth resistor R11 is connected with the fifth resistor R7, and the other end of the fifth resistor R7 is connected with the charging control chip U1.

[0064] One end of the third capacitor C2 is respectively connected with the first inductor L1 and the charging control chip U1, the other end of the first inductor L1 is connected with the charging control chip U1, one end of the fourth capacitor C3 is respectively connected with the charging control chip U1, the sixth resistor R3 and the seventh resistor R4, and the other end of the sixth resistor R3 and the seventh resistor R4 is respectively connected with the charging control chip U1 and the charging spring needle.

[0065] One end of the second electrostatic protector D3 and the third electrostatic protector D4 is respectively connected with the charging control chip U1 and the charging spring needle.

[0066] One example embodiment of the utility model also includes second field effect tube Q2, eighth resistance R13, ninth resistance R12, tenth resistance R9, eleventh resistance R8 and fifth capacitor C5;

[0067] Earphone warehouse detection module and second field effect tube Q2 are connected, and the other end of second field effect tube Q2 is connected with eighth resistance R13 and ninth resistance R12 respectively, and the other end of second field effect tube Q2 is connected with tenth resistance R9 and eleventh resistance R8 respectively, and the other end of eleventh resistance R8 is connected with processing unit U2, and the other end of ninth resistance R12 is connected with fifth capacitor C5 and processing unit U2 respectively.

[0068] One example embodiment of the utility model, germicidal lamp control circuit includes third field effect tube Q3, twelfth resistance R14, thirteenth resistance R15, fourteenth resistance R16, fifteenth resistance R17, eighteenth resistance R18, nineteenth resistance R21, twentieth resistance and sixth capacitor C6;

[0069] Breathing indicating lamp one end is connected with eighteenth resistance R18, and the other end is connected with third capacitor C2 and charge control chip U1 respectively, and the other end of eighteenth resistance R18 is connected with third field effect tube Q3, and the other end of third field effect tube Q3 is connected with nineteenth resistance R21 and twentieth resistance, and the other end of twentieth resistance is connected with thirteenth resistance R15;

[0070] The both ends of sixth capacitor C6 are connected with processing unit U2, and one end of twelfth resistance R14 is connected with processing unit U2 and one end of sixth capacitor C6;

[0071] One end of fourteenth resistance R16 and fifteenth resistance R17 is connected with processing unit U2 respectively, and the other end of fifteenth resistance R17 is connected with temperature detection module.

[0072] The above is only preferred embodiment of the utility model, and is not used to limit the utility model, and for the skilled person in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A system for sterilizing a charging compartment, characterized in that, It includes a processing unit, a power conversion module, a power module, an earphone charging module, a UV germicidal lamp control module, and a temperature detection module; The power module is connected to the processing unit via a power conversion module. The headphone charging module is connected to the power conversion module and is used for charging the headphones; The UV germicidal lamp control module is connected to the processing unit and is used to receive control commands from the processing unit to control the UV germicidal lamp to turn on and off. The temperature detection module is connected to the processing unit; It also includes a sterilization charging case, including an earphone case cover (1), a light-transmitting protective sheet (2), a UV germicidal lamp (3), and an earphone case body (4). The earphone case cover (1) is used to form a complete charging case with the earphone case body (4). An earphone placement cavity is opened inside the earphone case body (4). A groove is opened at the bottom of the earphone placement cavity. The UV germicidal lamp (3) is installed in the groove. The light-transmitting protective sheet (2) is installed at the port of the earphone placement cavity.

2. The sterilization charging chamber system according to claim 1, characterized in that, The earphone placement cavity includes two placement units, each including an end placement cavity (5) and a tail placement cavity (6). The groove is formed in the end placement cavity (5), and the tail placement cavity (6) is arranged around the outside of the end placement cavity (5) and communicates with the end placement cavity (5).

3. The sterilization charging chamber system according to claim 2, characterized in that, The earphone charging module includes a charging control circuit and a charging spring. The charging spring is connected to the charging control circuit and is used to contact the charging contact at the bottom of the wireless earphone. The charging control circuit is connected to the power conversion module.

4. The sterilization charging chamber system according to claim 3, characterized in that, The UV sterilization lamp control module includes an earphone entry detection module and a sterilization lamp control circuit. The earphone entry detection module is connected to the sterilization lamp control circuit and is used to detect whether the earphone has entered the charging case. The sterilization lamp control circuit is connected to the UV sterilization lamp (3).

5. The sterilization charging chamber system according to claim 4, characterized in that, It also includes a closure detection module and a breathing indicator light connected to the processing unit: The closure detection module is used to detect whether the charging compartment is closed. A breathing indicator light is used to display different colors of flashing light.

6. The sterilization charging chamber system according to claim 5, characterized in that, The charging control circuit includes a charging control chip (U1), a first capacitor (C1), a second capacitor (C4), a third capacitor (C2), a fourth capacitor (C3), a first inductor (L1), a first electrostatic discharge (ESD1), a second electrostatic discharge (ESD) protector (D3), a third electrostatic discharge (ESD) protector (D4), a first field-effect transistor (Q1), a first diode (D1), a second diode (D2), a first resistor (R5), a second resistor (R8), a third resistor (R10), a fourth resistor (R11), a fifth resistor (R7), a sixth resistor (R3), and a seventh resistor (R4). One end of the first capacitor (C1) is connected to the charging interface module, and the other end is connected to the first electrostatic discharge protector (ESD1), the first diode (D1), and the first field-effect transistor (Q1). The other ends of the first diode (D1) and the first field-effect transistor (Q1) are connected to the charging control chip (U1) and the second capacitor (C4). The other end of the first field-effect transistor (Q1) is connected to the first resistor (R5). One end of the second diode (D2) and the second resistor (R8) are connected to the charging control chip (U1), and the other end of the second diode (D2) is connected to the processing unit. One end of the third resistor (R10) is connected to the processing unit and the charging control chip (U1) respectively, the fourth resistor (R11) is connected to the fifth resistor (R7), and the other end of the fifth resistor (R7) is connected to the charging control chip (U1). One end of the third capacitor (C2) is connected to the first inductor (L1) and the charging control chip (U1) respectively, and the other end of the first inductor (L1) is connected to the charging control chip (U1). One end of the fourth capacitor (C3) is connected to the charging control chip (U1), the sixth resistor (R3), and the seventh resistor (R4) respectively, and the other ends of the sixth resistor (R3) and the seventh resistor (R4) are connected to the charging control chip (U1) and the charging spring pin respectively. One end of the second electrostatic discharge protector (D3) and the third electrostatic discharge protector (D4) are respectively connected to the charging control chip (U1) and the charging spring pin.

7. The sterilization charging chamber system according to claim 6, characterized in that, It also includes the second field-effect transistor (Q2), the eighth resistor (R13), the ninth resistor (R12), the tenth resistor (R9), the eleventh resistor (R8), and the fifth capacitor (C5); The earphone insertion detection module is connected to the second field-effect transistor (Q2). The other end of the second field-effect transistor (Q2) is connected to the eighth resistor (R13) and the ninth resistor (R12) respectively. The other end of the second field-effect transistor (Q2) is connected to the tenth resistor (R9) and the eleventh resistor (R8) respectively. The other end of the eleventh resistor (R8) is connected to the processing unit. The other end of the ninth resistor (R12) is connected to the fifth capacitor (C5) and the processing unit respectively.

8. The sterilization charging chamber system according to claim 7, characterized in that, The germicidal lamp control circuit includes a third field-effect transistor (Q3), a twelfth resistor (R14), a thirteenth resistor (R15), a fourteenth resistor (R16), a fifteenth resistor (R17), an eighteenth resistor (R18), a nineteenth resistor (R21), a twentieth resistor, and a sixth capacitor (C6). One end of the breathing indicator light is connected to the eighteenth resistor (R18), and the other end is connected to the third capacitor (C2) and the charging control chip (U1) respectively. The other end of the eighteenth resistor (R18) is connected to the third field-effect transistor (Q3). The other end of the third field-effect transistor (Q3) is connected to the nineteenth resistor (R21) and the twentieth resistor. The other end of the twentieth resistor is connected to the thirteenth resistor (R15). Both ends of the sixth capacitor (C6) are connected to the processing unit, and one end of the twelfth resistor (R14) is connected to both the processing unit and one end of the sixth capacitor (C6). One end of the fourteenth resistor (R16) and the fifteenth resistor (R17) are respectively connected to the processing unit, and the other end of the fifteenth resistor (R17) is connected to the temperature detection module.

Images