Control circuit for hydrogen production water purifier
By designing a control circuit for the permanent water purifier, the problems of stability and permanent water quality of permanent water in the prior art are solved, and the fine control of the constant current power supply module and circulation pump are realized to ensure the quality of permanent water and the reliability of the water purifier.
Patent Information
- Application Number
- CN202422025428.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The control circuit of existing hydrogen-making water purifiers needs to be optimized to improve the stability and hydrogen-water quality of the hydrogen-making module.
A control circuit for hydrogen-making water purifier is designed, including a control motherboard, a microcontroller, a display screen, a touch button and a hydrogen-making power control circuit. This control circuit realizes fine control of the constant current power module and the circulating pump through components such as the constant current power interface, power control transistor and circulating pump control field effect tube.
Through this control circuit, the hydrogen production module can be stably supplied and controlled, ensuring the quality of hydrogen water and the reliability of the water purifier.
Smart Images
Figure CN222926976U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of water purifiers, and particularly to a control circuit for a hydrogen-producing water purifier. Background Art
[0002] A hydrogen-producing water purifier is a household electrical appliance device that can purify water and simultaneously produce hydrogen-rich water. Through the process of electrolyzing water, the hydrogen-producing water purifier not only provides pure drinking water but also generates water rich in hydrogen. Long-term drinking of hydrogen-rich water may have certain health benefits for the body. In the prior art, the control circuit inside the hydrogen-producing water purifier still needs to be optimized and improved. Summary of the Utility Model
[0003] To solve the above technical problems, this application provides a control circuit for a hydrogen-producing water purifier. The hydrogen-producing water purifier has a hydrogen production module and a constant current power supply module for supplying power to the hydrogen production module. The control circuit includes a control main board, which has a front panel and a back panel. A display screen and a plurality of touch keys are arranged on the front panel. A single-chip microcomputer and a hydrogen production power control circuit are arranged on the back panel. The single-chip microcomputer is electrically connected to the display screen and the plurality of touch keys, and is electrically connected to the constant current power supply module through the hydrogen production power control circuit. Among them, the hydrogen production power control circuit includes a constant current power supply interface, a first power control triode, and a second power control triode. The constant current power supply interface is used to connect to the constant current power supply module, and the constant current power supply interface has an enabling end and a control end. The enabling end of the constant current power supply interface is electrically connected to a first enabling control resistor and then connected to the constant current power supply enabling control end of the single-chip microcomputer. The control end of the constant current power supply interface is electrically connected to the collector of the first power control triode. The collector of the first power control triode is also electrically connected to a first DC power supply. The base of the first power control triode is electrically connected to a second enabling control resistor and then connected to the constant current power supply enabling control end of the single-chip microcomputer. The emitter of the first power control triode is grounded. The emitter of the second power control triode is electrically connected to the collector of the first power control triode. The base of the second power control triode is electrically connected to the adjustment control end of the single-chip microcomputer. The collector of the second power control triode is grounded.
[0004] In some embodiments of this application, a display driver chip AIP1640 is laid on the back panel, and the single-chip microcomputer is electrically connected to the display screen through the display driver chip AIP1640.
[0005] In some embodiments of this application, a touch chip SC12B is laid on the back panel, and the single-chip microcomputer is electrically connected to the plurality of touch keys through the touch chip SC12B.
[0006] In some embodiments of the present application, the back panel is provided with a voice interface and an audio driver chip H5ASXXP. The voice interface is used to connect to a voice player, and the single-chip microcomputer is electrically connected to the voice interface through the audio driver chip H5ASXXP.
[0007] In some embodiments of the present application, a circulation pump control circuit is provided on the back panel. The circulation pump control circuit includes a circulation pump interface and a circulation pump control field effect transistor. The circulation pump interface has a positive electrode and a negative electrode, which are respectively used to electrically connect to the positive electrode and the negative electrode of the circulation pump. The positive electrode of the circulation pump interface is also electrically connected to a second DC power supply. The negative electrode of the circulation pump interface is electrically connected to the drain of the circulation pump control field effect transistor. The source of the circulation pump control field effect transistor is grounded, and the gate of the circulation pump control field effect transistor is electrically connected to the circulation pump control terminal of the single-chip microcomputer.
[0008] In some embodiments of the present application, the back panel is further provided with a temperature detection interface electrically connected to the single-chip microcomputer. The temperature detection interface is used to connect to a temperature sensor, and the temperature sensor is used to detect the temperature of the hydrogen production module.
[0009] In some embodiments of the present application, a cooling fan control circuit is provided on the back panel. The cooling fan control circuit includes a cooling fan interface and a cooling control field effect transistor. The cooling fan interface has a positive electrode and a negative electrode, which are respectively used to electrically connect to the positive electrode and the negative electrode of the cooling fan. The positive electrode of the cooling fan interface is also electrically connected to a second DC power supply. The negative electrode of the cooling fan interface is electrically connected to the drain of the cooling control field effect transistor. The source of the cooling control field effect transistor is grounded, and the gate of the cooling control field effect transistor is electrically connected to the cooling fan control terminal of the single-chip microcomputer.
[0010] In some embodiments of the present application, an LED lamp control circuit is provided on the back panel. The LED lamp control circuit includes an LED lamp interface and an LED lamp control triode. The LED lamp interface has a positive electrode and a negative electrode, which are respectively used to electrically connect to the positive electrode and the negative electrode of the LED lamp. The positive electrode of the LED lamp interface is also electrically connected to a first DC power supply. The negative electrode of the LED lamp interface is electrically connected to the collector of the LED lamp control triode. The emitter of the LED lamp control triode is grounded, and the base of the LED lamp control triode is electrically connected to the LED lamp control terminal of the single-chip microcomputer.
[0011] In some embodiments of the present application, a power interface and a power conversion chip XL1509 are provided on the back panel. The power interface is used to electrically connect to a second DC power supply. The input end of the power conversion chip XL1509 is electrically connected to the power interface, and the output end of the power conversion chip XL1509 outputs a first DC power supply.
[0012] In some embodiments of the present application, the control main board is rectangular, and a plurality of fixing holes are arranged on the edge of the control main board along the circumferential direction of the control main board.
[0013] Advantages of the present application: The utility model discloses a control circuit for a hydrogen production water purifier, which can be applied to a hydrogen production water purifier; the control circuit includes a control main board, and the control main board has a front panel and a back panel; wherein, a display screen and a plurality of touch buttons are arranged on the front panel; a single-chip microcomputer and a hydrogen production power control circuit are arranged on the back panel, the single-chip microcomputer is electrically connected to the display screen and the plurality of touch buttons, and is electrically connected to a constant current power supply module through the hydrogen production power control circuit; in the utility model, various parameters of the hydrogen production water purifier can be displayed through the display screen on the front panel, the touch buttons are convenient for controlling the hydrogen production water purifier, and the hydrogen production power control circuit can control the constant current power supply module inside the hydrogen production water purifier, so that the hydrogen production module inside the hydrogen water purifier can stably produce hydrogen, ensuring the quality of the hydrogen water produced by mixing with pure water. Description of the Drawings
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the following drawings are only some embodiments of the application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings, where:
[0015] Figure 1 is a schematic diagram of the internal structure of the hydrogen production water purifier of the utility model;
[0016] Figure 2 is a schematic diagram of the front panel of the control main board in the control circuit for the hydrogen production water purifier of the utility model;
[0017] Figure 3 is a schematic diagram of the back panel of the control main board in the control circuit for the hydrogen production water purifier of the utility model;
[0018] Figure 4 is a schematic diagram of the single-chip microcomputer in the control circuit for the hydrogen production water purifier of the utility model;
[0019] Figure 5 is a schematic diagram of the touch chip SC04B in the control circuit for the hydrogen production water purifier of the utility model;
[0020] Figure 6 is a schematic diagram of the driving chip AIP1640 and the display screen in the control circuit for the hydrogen production water purifier of the utility model;
[0021] Figure 7 is a schematic diagram of the hydrogen production power control circuit in the control circuit for the hydrogen production water purifier of the utility model;
[0022] Figure 8 It is a schematic diagram of the audio driver chip H5ASXXP in the control circuit of the hydrogen production water purifier of the present utility model;
[0023] Figure 9 It is a schematic diagram of the circulation pump control circuit in the control circuit of the hydrogen production water purifier of the present utility model;
[0024] Figure 10 It is a schematic diagram of the connection of the temperature sensor in the control circuit of the hydrogen production water purifier of the present utility model;
[0025] Figure 11 It is a schematic diagram of the control circuit of the cooling fan in the control circuit of the hydrogen production water purifier of the present utility model;
[0026] Figure 12 It is a schematic diagram of the LED lamp control circuit in the control circuit of the hydrogen production water purifier of the present utility model;
[0027] Figure 13 It is a schematic diagram of the power conversion chip XL1509 in the control circuit of the hydrogen production water purifier of the present utility model. Specific embodiments
[0028] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other alternative embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.
[0029] As Figure 1 shown, Figure 1 It is a schematic diagram of the internal structure of the hydrogen production water purifier. Among them, the hydrogen production module 80 inside the hydrogen production water purifier 100 can produce hydrogen by electrolyzing water. The hydrogen is mixed with pure water through the circulation pump 50 and stored in the hydrogen water container 20 as hydrogen water. After the water outlet valve 30 is opened, the hydrogen production water purifier flows out hydrogen water.
[0030] In this embodiment, the hydrogen production module 80 is powered by the constant current power supply module 90, and the current of the constant current power supply 1 can be adjusted through the control main board 10.
[0031] In this embodiment, the hydrogen production module 80 generates a large amount of heat during operation. The inside of the hydrogen production water purifier 100 also dissipates heat from the hydrogen production module 80 through the cooling fan 70 and detects the temperature of the hydrogen production module 80 through the temperature sensor 60.
[0032] In this embodiment, an LED lamp 40 is further provided inside the hydrogen production water purifier 100, and the hydrogen production water purifier 100 can emit light and flash through the LED lamp 40 when producing hydrogen-rich water.
[0033] Furthermore, the present utility model also provides a control circuit for a hydrogen production water purifier, and this control circuit can be applied to Figure 1 the hydrogen production water purifier shown, to realize the control of the constant current power supply module 90, the circulation pump 50, the temperature sensor 60, the water outlet valve 30, the LED lamp 40, and the cooling fan 70.
[0034] Specifically, as Figure 2 and Figure 3 shown, the control circuit includes a control main board 10. The control main board 10 has a front panel and a back panel. Figure 2 is a schematic diagram of the front panel of the control main board 10, Figure 3 is a schematic diagram of the back panel of the control main board 10. It can be seen that the control main board 10 is rectangular, and a plurality of fixing holes 101 are arranged on the edge of the control main board 10 along its circumferential direction, and it can be conveniently fixed inside the hydrogen production water purifier through the fixing holes 101.
[0035] In Figure 2 , a display screen 102 and a plurality of touch keys (K1-K5) are arranged on the front panel. Through the display screen 102, various parameters of the hydrogen production water purifier can be displayed, and through the touch keys, it is convenient to control the hydrogen production water purifier, such as controlling the hydrogen production water purifier to produce hydrogen-rich water, discharge water, etc.; in Figure 3 , a single-chip microcomputer, a display driver chip AIP1640, and a touch chip SC12B are arranged on the back panel. The single-chip microcomputer is electrically connected to the display screen through the display driver chip AIP1640, and the single-chip microcomputer is electrically connected to the plurality of touch keys through the touch chip SC12B.
[0036] Furthermore, as Figure 4 and Figure 5 shown, Figure 4 is a schematic diagram of the single-chip microcomputer, Figure 5 is a schematic diagram of the touch chip SC12B. In Figure 5 , the touch keys (K1-K5) are respectively electrically connected to a resistor and then correspondingly connected to the input terminals (CIN4-CIN8) of the touch chip SC12B. The output terminals (BCD0-BCD3) of the touch chip SC12B are electrically connected to Figure 4 the key signal receiving terminals (P3.4-P3.7) of the single-chip microcomputer in
[0037] In this embodiment, the touch keys (K1 - K5) respectively represent different control functions, and various controls of the hydrogen production water purifier can be realized through the touch keys (K1 - K5).
[0038] Further, Figure 6 is a schematic diagram of the display driver chip AIP1640 and the display screen XS1. In Figure 6 , the data terminal DIN and the clock terminal CLK of the display driver chip AIP1640 are electrically connected to the Figure 4 single-chip microcomputer; the power supply terminal VDD of the display driver chip AIP1640 is electrically connected to the first DC power supply +5V, and the output bits (SEG1 - SEG8) and output segments (GRID1 - GRID11) of the display driver chip AIP1640 are electrically connected to the display screen XS1.
[0039] Further, in combination with Figure 3 and Figure 7 , a hydrogen production power supply control circuit is provided on the back panel of the control main board 10, and the hydrogen production power supply control circuit is electrically connected to the constant current power supply module; wherein, the hydrogen production power supply control circuit includes a constant current power supply interface J11, a first power control triode Q6, and a second power control triode Q5; as Figure 7 shown, the constant current power supply interface J11 is used to connect to the constant current power supply module, and the constant current power supply interface has an enabling end (the third core of interface J7) and a control end (the first core of interface J7); the enabling end (the third core of interface J7) of the constant current power supply interface is electrically connected to the first enabling control resistor R35 and then connected to the Figure 4 constant current power supply enabling control end P1.7 of the single-chip microcomputer in Figure 4 , the control end (the first core of interface J7) of the constant current power supply interface is electrically connected to the collector of the first power control triode Q6, and the collector of the first power control triode Q6 is also electrically connected to the resistor R4 and then connected to the first DC power supply +5V; the base of the first power control triode Q6 is electrically connected to the second enabling control resistor R7 and then connected to the Figure 4 constant current power supply enabling control end P1.7 of the single-chip microcomputer in
[0040] the emitter of the first power control triode Q6 is grounded; the emitter of the second power control triode Q5 is electrically connected to the collector of the first power control triode Q6, the base of the second power control triode Q5 is electrically connected to the resistors R32 and R33 and then connected to the Figure 4 adjustment control end P5.4 of the single-chip microcomputer in
[0040] and the collector of the second power control triode Q5 is grounded.
[0040] In this embodiment, the constant current power supply enable control terminal P1.7 can control the startup or stop of the constant current power supply module. The adjustment control terminal P5.4 of the single-chip microcomputer can output a PWM wave to drive the first power control triode Q6 and the second power control triode Q5 to conduct or cut off, so as to change the conduction time of the forward current of the constant current power supply module to achieve the effect of adjusting the constant current magnitude, and further control the hydrogen production rate of the hydrogen production module.
[0041] Further, in combination with Figure 3 and Figure 8 , the back panel of the control main board 10 is provided with a voice interface J7 and an audio driver chip H5ASXXP. The voice interface J7 is used to connect a voice player, and the single-chip microcomputer is electrically connected to the voice interface through the audio driver chip H5ASXXP.
[0042] Specifically, in Figure 8 , the data terminal DATA of the audio driver chip H5ASXXP is electrically connected to Figure 4 the data control terminal P2.5 of the single-chip microcomputer in
[0043] the clock terminal LCK of the audio driver chip H5ASXXP is electrically connected to the clock control terminal P2.4 of the single-chip microcomputer, the power supply terminal VDD of the audio driver chip H5ASXXP is electrically connected to the first DC power supply +5V, the positive power supply output terminal SKP of the audio driver chip H5ASXXP is electrically connected to the positive pole of the speaker LS1, and the negative power supply output terminal SKN of the audio driver chip H5ASXXP is electrically connected to the negative pole of the speaker LS1. In this embodiment, the single-chip microcomputer can drive the speaker to play sounds through the audio driver chip H5ASXXP to give voice prompts for various states of the hydrogen production water purifier. Figure 3 and Figure 9 , a circulation pump control circuit is provided on the back panel of the control main board 10. The circulation pump control circuit includes a circulation pump interface J3 and a circulation pump control field effect transistor Q2. The circulation pump interface J3 has a positive pole (the second core of the circulation pump interface J3) and a negative pole (the first core of the circulation pump interface J3), which are respectively used to be electrically connected to the positive pole and the negative pole of the circulation pump; the positive pole of the circulation pump interface (the second core of the circulation pump interface J3) is also electrically connected to the second DC power supply +12V, a protection diode D2 is also connected between the positive pole and the negative pole of the circulation pump interface, the negative pole of the circulation pump interface (the first core of the circulation pump interface J3) is electrically connected to the drain of the circulation pump control field effect transistor Q2, the source of the circulation pump control field effect transistor Q2 is grounded, and the gate of the circulation pump control field effect transistor Q2 is electrically connected to the first circulation pump control resistor R6 and then connected to Figure 4 the circulation pump control terminal P2.0 of the single-chip microcomputer in
[0044] In this embodiment, after the loop pump control terminal P2.0 of the single-chip microcomputer drives the loop pump control field-effect transistor Q2 to conduct, the negative electrode of the loop pump (the first core of the loop pump interface J3) is grounded, and the loop pump starts to work.
[0045] Further, in combination with Figure 3 and Figure 10 , the back panel of the control main board 10 is also provided with a temperature detection interface J8 electrically connected to the single-chip microcomputer. The temperature detection interface J8 is used to connect a temperature sensor, and the temperature sensor is used to detect the temperature of the hydrogen production module. Specifically, in Figure 10 , the second core of the temperature detection interface J8 (i.e., the signal terminal of the temperature sensor) is electrically connected to the resistor R24 and then connected to the first DC power supply +5V. The first DC power supply +5V supplies power to the temperature sensor, and the second core of the temperature detection interface J8 is also connected to Figure 4 the temperature detection terminal P1.5 of the single-chip microcomputer in
[0046] Further, in combination with Figure 3 and Figure 11 , a cooling fan control circuit is provided on the back panel of the control main board 10. The cooling fan control circuit includes a cooling fan interface J1 and a cooling control field-effect transistor Q1. The cooling fan interface has a positive electrode (the second core of the cooling fan interface J1) and a negative electrode (the first core of the cooling fan interface J1), which are respectively used to electrically connect the positive electrode and the negative electrode of the cooling fan; a protection diode D1 is also connected between the positive electrode and the negative electrode of the cooling fan interface. The positive electrode of the cooling fan interface is also electrically connected to the second DC power supply +12V. The negative electrode of the cooling fan interface is electrically connected to the drain of the cooling control field-effect transistor Q1. The source of the cooling control field-effect transistor Q1 is grounded, and the gate of the cooling control field-effect transistor Q1 is electrically connected to the first cooling control resistor R1 and then connected to Figure 4 the cooling fan control terminal P2.3 of the single-chip microcomputer in
[0047] In this embodiment, after the cooling fan control terminal P2.3 of the single-chip microcomputer drives the cooling control field-effect transistor Q1 to conduct, the negative electrode of the cooling fan (the first core of the cooling fan interface J1) is grounded, and the cooling fan starts to work to dissipate heat from the hydrogen production module.
[0048] Further, in combination with Figure 3 and Figure 12, an LED lamp control circuit is provided on the back panel of the control main board 10. Among them, the LED lamp control circuit includes an LED lamp interface J2 and an LED lamp control triode. The LED lamp interface has a positive electrode (the second core of the LED lamp interface J2) and a negative electrode (the first core of the LED lamp interface J2), which are respectively used to electrically connect the positive and negative electrodes of the LED lamp. The positive electrode of the LED lamp interface is also electrically connected to the first DC power supply +5V. The negative electrode of the LED lamp interface is electrically connected to the collector of the LED lamp control triode Q3. The emitter of the LED lamp control triode Q3 is grounded. The base of the LED lamp control triode Q3 is connected to the first LED control resistor R9 and then connected to Figure 4 the LED lamp control terminal P2.1 of the single-chip microcomputer in Figure 4 . The LED lamp control terminal P2.1 of the single-chip microcomputer is also connected to the second LED control resistor R14 and then grounded. In this embodiment, when the LED lamp control terminal P2.1 of the single-chip microcomputer drives the LED lamp control triode Q3 to conduct, the negative electrode of the LED lamp is grounded and the LED lamp starts to work.
[0049] Furthermore, in combination with Figure 3 and Figure 13 , a power supply interface J13 and a power conversion chip XL1509 are provided on the back panel of the control main board. The power supply interface J13 is used to electrically connect to the second DC power supply +12V. The input terminal IN of the power conversion chip XL1509 is electrically connected to the power supply interface J13. The output terminal OUT of the power conversion chip XL1509 outputs the first DC power supply +5V. After the control main board introduces the second DC power supply +12V, the second DC power supply +24V is converted into the first DC power supply +5V through the power conversion chip XL1509.
[0050] Finally, it should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of this application, then the directional indications are only used to explain the relative positional relationship, movement conditions, etc. between components in a certain specific posture (as shown in the drawings). If this specific posture changes, then the directional indications will also change accordingly.
[0051] In addition, if there are descriptions such as "first", "second", etc. involved in the embodiments of this application, then the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second" can explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions appears to be contradictory or unable to be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by this application.
[0052] The above are only the embodiments of the present application, and do not limit the patent scope of the present application accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present application.
Claims
1. A control circuit for a hydrogen water purifier, characterized in that: The hydrogen production water purifier comprises a hydrogen production module and a constant current power supply module for supplying power to the hydrogen production module; The control circuit comprises a control mainboard, and the control mainboard has a front panel and a back panel; The front panel is provided with a display screen and a plurality of touch buttons; The back panel is provided with a single-chip microcomputer and a hydrogen production power supply control circuit, the single-chip microcomputer is electrically connected to the display screen and the plurality of touch buttons, and is electrically connected to the constant current power supply module through the hydrogen production power supply control circuit; wherein the hydrogen production power supply control circuit includes a constant current power supply interface, a first power supply control transistor and a second power supply control transistor; Wherein, the constant current power supply interface is used to connect the constant current power supply module, and the constant current power supply interface has an opening end and a control end; the opening end of the constant current power supply interface is electrically connected to the first opening control resistor and then connected to the constant current power supply opening control end of the single-chip microcomputer, and the control end of the constant current power supply interface is electrically connected to the collector of the first power control transistor, and the collector of the first power control transistor is also electrically connected to the first DC power supply; the base of the first power control transistor is electrically connected to the second opening control resistor and then connected to the constant current power supply opening control end of the single-chip microcomputer, and the emitter of the first power control transistor is grounded; The emitter of the second power control transistor is electrically connected to the collector of the first power control transistor, the base of the second power control transistor is electrically connected to the adjustment control terminal of the single chip microcomputer, and the collector of the second power control transistor is grounded.
2. The control circuit for a hydrogen water purifier according to claim 1, characterized in that: The back panel is provided with a display driver chip AIP1640, and the single chip microcomputer is electrically connected to the display screen via the display driver chip AIP1640.
3. The control circuit for a hydrogen water purifier according to claim 2, characterized in that: The back panel is provided with a touch chip SC12B, and the single chip microcomputer is electrically connected to the plurality of touch buttons via the touch chip SC12B.
4. The control circuit for a hydrogen-producing water purifier according to claim 1, characterized in that: The back panel is provided with a voice interface and an audio driver chip H5ASXXP. The voice interface is used to connect to a voice player, and the single-chip microcomputer is electrically connected to the voice interface via the audio driver chip H5ASXXP.
5. The control circuit for a hydrogen water purifier according to claim 1, characterized in that: A circulation pump control circuit is arranged on the back panel, and the circulation pump control circuit includes a circulation pump interface and a circulation pump control field effect transistor. The circulation pump interface has a positive electrode and a negative electrode, which are respectively used to electrically connect the positive electrode and the negative electrode of the circulation pump; the positive electrode of the circulation pump interface is also electrically connected to the second DC power supply, the negative electrode of the circulation pump interface is electrically connected to the drain of the circulation pump control field effect transistor, the source of the circulation pump control field effect transistor is grounded, and the gate of the circulation pump control field effect transistor is electrically connected to the circulation pump control end of the single-chip microcomputer.
6. The control circuit for a hydrogen water purifier according to claim 1, characterized in that: The back panel is also provided with a temperature detection interface electrically connected to the single chip computer, and the temperature detection interface is used to connect a temperature sensor, and the temperature sensor is used to detect the temperature of the hydrogen production module.
7. The control circuit for a hydrogen-producing water purifier according to claim 6, characterized in that: A cooling fan control circuit is arranged on the back panel, and the cooling fan control circuit includes a cooling fan interface and a cooling control field effect tube. The cooling fan interface has a positive pole and a negative pole, which are respectively used to electrically connect the positive pole and the negative pole of the cooling fan; the positive pole of the cooling fan interface is also electrically connected to the second DC power supply, the negative pole of the cooling fan interface is electrically connected to the drain of the cooling control field effect tube, the source of the cooling control field effect tube is grounded, and the gate of the cooling control field effect tube is electrically connected to the cooling fan control end of the single-chip computer.
8. The control circuit for a hydrogen-producing water purifier according to claim 1, characterized in that: An LED light control circuit is arranged on the back panel, and the LED light control circuit includes an LED light interface and an LED light control transistor. The LED light interface has a positive pole and a negative pole, which are respectively used to electrically connect the positive pole and the negative pole of the LED light; the positive pole of the LED light interface is also electrically connected to a first DC power supply, and the negative pole of the LED light interface is electrically connected to the collector of the LED light control transistor. The emitter of the LED light control transistor is grounded, and the base of the LED light control transistor is electrically connected to the LED light control end of the single-chip microcomputer.
9. The control circuit for a hydrogen water purifier according to claim 1, characterized in that: The back panel is provided with a power interface and a power conversion chip XL1509, the power interface is used to electrically connect to a second DC power supply, the input end of the power conversion chip XL1509 is electrically connected to the power interface, and the output end of the power conversion chip XL1509 outputs the first DC power supply.
10. The control circuit for a hydrogen water purifier according to claim 1, characterized in that: The control main board is rectangular in shape, and a plurality of fixing holes are arranged on the edge of the control main board along the circumference of the control main board.