A charging controller for shared washing machines

By designing a billing controller for shared washing machines, the problem of cumbersome calculation of charges and laundry mode control in the prior art is solved, and convenient laundry mode control and intelligent management are achieved, extending the service life of the washing machine.

CN222749016UActive Publication Date: 2025-04-11SHENZHEN YOUKAT IND CO LTD
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Patent Information

Application Number
CN202421571611.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-04-11
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

The billing control module of the existing self-service washing machine only calculates the charge through the water outlet time, and the control of the washing mode needs to be operated through the control board of the washing machine, which can easily lead to failure and affect service life.

Method used

A billing controller for sharing washing machines is designed, including a card reading module, a main control module, and a serial port connection module. It is connected to the control motherboard of the washing machine through the serial port connection module to realize the control of the washing mode and the calculation of the cost.

Benefits of technology

Through the billing controller, you can easily change the washing mode without directly operating the washing machine, improve operation convenience, extend the service life of the washing machine, and feedback internal problems through the serial port connection module to achieve intelligent management and automated deductions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a charging controller for a shared washing machine, which includes a card reading module, a main control module, and a serial port connection module. The main control module is connected to the serial port connection module, and the card reading module is connected to the main control module; the serial port connection module is connected to the control mainboard of the washing machine. Through a charging controller, the operation of powering the washing machine, supplying water, and changing the washing mode can be realized, thereby improving the degree of intelligent management of the washing machine by the charging controller. By swiping a card in the charging controller, the washing mode of the washing machine can be changed according to different card swiping times, and the corresponding selected washing mode can be turned on for washing, so that the charging controller has a high degree of automation; each operator washes clothes according to the selected washing mode, and the charging controller deducts the corresponding fees for different washing modes, thereby achieving the purpose of intelligent deduction.
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Description

Technical Field

[0001] The present application relates to the technical field of washing machine billing controllers, and in particular to a billing controller for shared washing machines. Background Art

[0002] At present, domestic schools, factory dormitories, hotels, etc. are all equipped with self-service washing machines, which allow people to do self-service laundry and improve the convenience of life.

[0003] The technical problem to be solved by the present application is that the current self-service washing machines use a built-in billing control module or an external billing module, and the billing control module only calculates the current fee through the water outlet time. The washing mode of the washing machine also needs to be controlled through the control panel on the washing machine. If the control panel of the washing machine is operated too much, it is easy to malfunction, which affects its service life. Utility Model Content

[0004] The technical problem to be solved by the present application is that the current self-service washing machines use a built-in billing control module or an external billing module, and the billing control module only calculates the current fee through the water outlet time. The washing mode of the washing machine also needs to be controlled through the control panel on the washing machine. If the control panel of the washing machine is operated too much, it is easy to malfunction, which affects the service life.

[0005] In order to solve the above technical problem or at least partially solve the above technical problem, the present application provides a billing controller for a shared washing machine.

[0006] The utility model discloses a charging controller for a shared washing machine, which comprises a card reading module, a main control module and a serial port connection module, wherein the main control module is connected to the serial port connection module, and the card reading module is connected to the main control module;

[0007] The serial port connection module is connected to the control mainboard of the washing machine.

[0008] Preferably, it comprises a power supply module, and the power supply module is respectively connected to the card reading module, the main control module and the serial port connection module.

[0009] Preferably, the card reading module includes a card reading control module and a sensing module, and the sensing module is connected to the card reading control module.

[0010] Preferably, it comprises a screen and a screen display module, the screen display module is connected to the main control module, and the screen is connected to the screen display module.

[0011] Preferably, a storage module is included, and the storage module is connected to the main control module.

[0012] Preferably, a communication module is included, and the communication module is connected to the main control module.

[0013] Preferably, it comprises a solenoid valve, a power control module and a water outlet control module, wherein the water outlet control module is connected to the solenoid valve, the solenoid valve is connected to the water inlet of the washing machine, and the power control module is connected to the power interface of the washing machine.

[0014] Preferably, the power supply module includes a voltage stabilizing module and a power supply control module, the voltage stabilizing module is connected to the power supply control module, the power supply control module is connected to the main control module, the voltage stabilizing module is connected to the water outlet control module, the power supply control module is connected to the serial port connection module.

[0015] Preferably, the water outlet control module includes a first optical coupling isolation module and a solenoid valve control module, and the optical coupling isolation module is connected to the solenoid valve control module.

[0016] Preferably, the power control module includes a second optical coupling isolation module and a relay control module;

[0017] The input end of the second optical coupling isolation module is connected to the input end of the relay control module, and the output end of the second optical coupling isolation module is connected to the output end of the relay control module.

[0018] The above technical solution provided by this application has the following advantages compared with the prior art:

[0019] The present application provides a billing controller for a shared washing machine. The serial port connection module on the billing controller can send a signal to the control mainboard of the washing machine to control the operation of the washing machine, so that the operator can control the washing mode of the washing machine through the billing controller without directly operating the washing machine. The washing mode of the washing machine can be changed through a billing controller, thereby improving the convenience of operation, improving the degree of intelligent management of the washing machine by the billing controller, and reducing the number of direct operations on the washing machine, so that the service life of the washing machine can be extended. In addition, if there is a problem inside the washing machine, such as water outage, internal fault, etc., it can be fed back to the billing controller through the serial port connection module, and the billing controller can transmit it to the background, so that the operator and management personnel can know the current situation of the washing machine for the next step of operation.

[0020] Furthermore, by swiping the card in the billing controller, the washing mode of the washing machine can be changed according to the different number of card swipes, and the washing can be started in the corresponding selected washing mode, so that the billing controller has a high degree of automation; in addition, each operator washes clothes in the corresponding selected washing mode, and the billing controller deducts the fees for the different washing modes, thereby achieving the purpose of intelligent deduction.

[0021] Furthermore, the billing controller connects to the external server through the built-in communication module to transmit usage records and deduct fees. At the same time, the communication module can receive information transmitted from the external server and display the current card swiping user account balance and other information on the screen, making the billing controller more intelligent. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0024] Figure 1 A structural module diagram of a charging controller for a shared washing machine provided in this application;

[0025] Figure 2 A circuit diagram of a main control module of a charging controller for a shared washing machine provided in the present application;

[0026] Figure 3 A circuit diagram of a serial port connection module of a charging controller for a shared washing machine provided in the present application;

[0027] Figure 4 A circuit diagram of a card reading module of a charging controller for a shared washing machine provided in the present application;

[0028] Figure 5 A circuit diagram of a power supply module of a charging controller for a shared washing machine provided in the present application;

[0029] Figure 6 A circuit diagram of a screen display module of a charging controller for a shared washing machine provided in the present application;

[0030] Figure 7 A circuit diagram of a storage module of a charging controller for a shared washing machine provided in the present application;

[0031] Figure 8 A circuit diagram of a power control module of a charging controller for a shared washing machine provided in the present application;

[0032] Fig. 9 A circuit diagram of a water outlet control module of a charging controller for a shared washing machine provided in this application;

[0033] Fig.10 A circuit diagram of a communication module of a billing controller for a shared washing machine provided in the present application.

[0034] Description of reference numerals:

[0035] 1. Billing controller for shared washing machines;

[0036] 11. Main control module;

[0037] 12. Serial port connection module;

[0038] 13. Card reading module; 131. Card reading control module; 132. Induction module;

[0039] 14. Power supply module; 141. Voltage stabilizing module; 142. Power supply control module;

[0040] 15. screen; 151. screen display module;

[0041] 16. Storage module;

[0042] 17. Control module;

[0043] 171, power supply control module; 1711, second optical coupling isolation module; 1712, relay control module; 172, water outlet control module; 1721, solenoid valve interface; 1722, first optical coupling isolation module; 1723, solenoid valve control module;

[0044] 18. Communication module. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the drawings in this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0046] See also Figure 1-10 The utility model discloses a charging controller 1 for a shared washing machine, comprising a card reading module 13, a main control module 11, and a serial port connection module 12, wherein the main control module 11 is connected to the serial port connection module 12, the card reading module 13 is connected to the main control module 11, and the serial port connection module 12 is connected to a control mainboard of the washing machine.

[0047] The card reader module 13 is used to sense and identify the card information of the current user, and at the same time, change the washing mode of the current washing machine according to the number of times the user's card is close to it. The serial port connection module 12 can control the mode switching and starting of the washing machine through electrical signals.

[0048] It can be understood that the serial port connection module 12 can send a signal to the control mainboard of the washing machine to control the operation of the washing machine, so that the operator can control the washing mode of the washing machine through the billing controller, without directly operating the washing machine. The operation of changing the washing mode of the washing machine can be realized through a billing controller, which improves the convenience of operation and reduces the number of direct operations on the washing machine, so that the service life of the washing machine can be extended; in addition, if there is a problem inside the washing machine, such as water outage, internal fault, etc., it can be fed back to the billing controller through the serial port connection module 12, and the billing controller can be transmitted to the background, so that the operator and the manager can know the current situation of the washing machine for the next step of operation. Further, the billing controller is connected to the external server through the built-in communication module 18, transmits the usage record and deducts the fee. At the same time, the communication module 18 can receive the information transmitted by the external server, and display the current card swiping user account balance and other information through the screen 15, making the billing controller more intelligent.

[0049] Furthermore, the billing controller is provided with a screen 15 and a screen display module 151, the screen display module 151 is connected to the main control module 11, the screen 15 is connected to the screen display module 151, and the screen 15 can display the current balance of the user's card account and the usage at that time.

[0050] Specifically, the screen 15 uses a 1.77-inch parallel port color screen, and the screen display module 151 includes a parallel port interface. The screen display module 151 is electrically connected to the screen 15 through the parallel port interface. The screen display module 151 transmits signals to the chip U1, and the chip U1 controls the corresponding information displayed by the screen display module 151.

[0051] The serial port connection module 12 includes a serial port J13 and resistors R112 and R113. The serial port J13 is respectively connected to the PA2 end and the PA3 end of the chip U1. The serial port J13 can be connected to the control circuit board of the washing machine. The chip U1 sends an electrical signal, which is transmitted to the control circuit board of the washing machine via the serial port J13. Through the electrical signal, the control circuit board of the washing machine can switch the corresponding washing mode. Each time an electrical signal is sent, the washing mode is switched once. The first time is to start washing, and the last time is to stop washing.

[0052] When the user swipes the card for the first time, the billing controller recognizes that the "single dehydration" mode is selected, and the single dehydration mode, user information and deduction information will be displayed on the screen 15. Please swipe the card again within 5 seconds to switch the mode. If there is no operation within 5 seconds, the washing machine will be started. It is suitable for clothes that are slightly dirty or only need to be dehydrated; if the user swipes the card for the second time within 5 seconds, the billing controller switches to the "quick wash" mode, and the quick wash mode, user information and deduction information will be displayed on the screen 15 of the billing controller. The user is also given 5 seconds to decide whether to continue switching modes, providing an efficient and fast cleaning solution for daily clothes that are slightly dirty; if the user swipes the card for the third time in a row, the "standard wash" mode is selected, and the user is also given 5 seconds to decide whether to continue switching modes. It is suitable for clothes with medium dirtiness and balances the cleaning effect and energy consumption; if the user swipes the card for the fourth time, the washing machine working mode is set to the "large piece wash" mode, which is suitable for washing large quantities or heavy clothes. , such as bed sheets and curtains, providing deep cleaning capabilities, and also giving 5 seconds for the user to decide whether to use or cancel the operation; if the user changes his mind during the selection process, the fifth card swipe will be used as a cancellation instruction, the system will return to the initial state, and wait for the next operation, and the screen 15 will display the message "Operation canceled"; if the user does not perform any operation within 5 seconds after the last card swipe, the device will default to start the selected laundry mode, start the corresponding laundry program, and display "Start XX mode, user information deduction information" and other information on the screen 15. It can be understood that by swiping the card in the billing controller, the washing mode of the washing machine can be changed by different card swipe times, and the corresponding selected laundry mode can be started for washing, so that the billing controller has a high degree of automation; in addition, each operator washes according to the selected laundry mode, and the billing controller deducts the corresponding fees for different laundry modes, thereby achieving the purpose of intelligent deduction.

[0053] It can be understood that by swiping the card in the billing controller, the washing mode of the washing machine can be changed by different numbers of card swipes, and the washing can be started in the corresponding selected washing mode, so that the billing controller has a high degree of automation; in addition, each operator washes clothes in the corresponding selected washing mode, and the billing controller deducts fees accordingly for different washing modes, thereby achieving the purpose of intelligent deduction.

[0054] The card reading module 13 includes a card reading control module 131 and a sensing module 132, and the sensing module 132 is connected to the card reading control module 131. The card reading module 13 senses the user's card through a short-distance sensing technology, and the user's card corresponds to the sensing technology used by the card reading module 13. The sensing module 132 senses and identifies the account number of the card inserted by the current user, and the card reading control module 131 sends a corresponding signal to the main control module 11, and then connects with the server to identify the balance and other information in the current account.

[0055] The card reading control module 131 includes a chip U6. The D5, D6, D7 and SDA terminals of the chip U6 are connected to the PA4, PA5, PA6 and PA7 terminals of the chip U1. The information of the current user's card is identified by induction and transmitted to the chip U1. The sensing module 132 includes an antenna, which is connected to the eleventh and thirteenth terminals of the chip U6. The chip U6 adopts the model FM17580.

[0056] The charging controller includes a storage module 16, which is connected to the main control module 11. The storage module 16 is used to store the user's consumption records and the software running on the device.

[0057] The storage module 16 includes a storage chip U5, whose first end, second end, fifth end, and sixth end are connected to the PB12 end, PB13 end, PB14 end, and PB15 end of the chip U1. The storage module 16 can transmit signals with the control module 17. The control module 17 can view the storage information of the storage module 16 through electrical signals, and can display the consumption information of the user for a period of time, and update and save the usage records for a period of time. Among them, the model used by the storage chip U5 is W25Q64JVSSIQ.

[0058] The charging controller includes a solenoid valve, a power control module 171, and a water outlet control module 172. The water outlet control module 172 is connected to the solenoid valve, the solenoid valve is connected to the water inlet of the washing machine, the power control module 171 is connected to the power interface of the washing machine, the water outlet control module 172 is used to control the water inlet of the washing machine, and the power control module 171 is used to control the power supply of the washing machine. The solenoid valve is arranged outside the charging controller and transmits signals by wireless connection or wired connection.

[0059] It can be understood that the solenoid valve on the billing controller controls the water to enter the washing machine. At the same time, the power control module 171 controls the power supply of the washing machine. The serial port connection module 12 receives the water-off and power-off signals of the washing machine. It can control the power control module 171 and the water outlet control module 172 to resupply water and power, so that the washing machine can be used normally again, and the billing controller has the ability to self-try to repair fault signals. After several failed attempts at self-recovery, the billing controller can inform the background management through signal transmission that the washing machine currently connected to the billing controller has a fault problem.

[0060] The water outlet control module 172 includes a solenoid valve interface 1721 , a first optical coupling isolation module 1722 and a solenoid valve control module 1723 , and the first optical coupling isolation module 1722 is connected to the solenoid valve control module 1723 .

[0061] The solenoid valve interface 1721 is interface J5, the first optocoupler isolation module 1722 is connected to the solenoid valve control module 1723, one end of the first optocoupler isolation module 1722 is connected to the solenoid valve interface 1721, and the other end is connected to the chip U1, and the solenoid valve interface 1721 is connected to the solenoid valve control module 1723; by powering the solenoid valve, the water inlet of the washing machine can be controlled.

[0062] In addition, the solenoid valve controls the amount of water output by changing the current. By changing the solenoid valve current, the outlet water output can be changed. The solenoid valve can be set outside the device and transmit signals to the main control module 11 through wireless or wired connection. The water intake of the washing machine can be controlled by the solenoid valve.

[0063] The power control module 171 includes a second optocoupler isolation module 1711 and a relay control module 1712 , wherein the input end of the second optocoupler isolation module 1711 is connected to the input end of the relay control module 1712 , and the output end of the second optocoupler isolation module 1711 is connected to the output end of the relay control module 1712 .

[0064] The relay controls the operation of the high-voltage part through the low-voltage part, and the optocoupler isolation module is provided with an optocoupler isolator. The optocoupler isolator can increase the signal interference between the two ends of the relay and ensure the signal isolation between the low-voltage part and the high-voltage part.

[0065] The billing controller includes a power supply module 14, which is respectively connected to the card reading module 13, the main control module 11, the storage module 16, the control module 17 and the serial port connection module 12. The power supply module 14 can supply power to each module so that each module can operate normally. The main control module 11 can control the start and shut down of each module inside the billing controller by controlling the power supply module 14, thereby controlling the operation of the billing controller. The power supply module 14 includes a voltage stabilizing module 141 and a power supply control module 142, the voltage stabilizing module 141 is connected to the power supply control module 171, the power supply control module 142 is connected to the main control module 11, the voltage stabilizing module 141 is connected to the water outlet control module 172, and the power supply control module 171 is connected to the serial port connection module 12.

[0066] Among them, the voltage stabilizing module 141 is connected to the power control module 171, the power supply control module 142 is connected to the main control module 11, the voltage stabilizing module 141 is connected to the water outlet control module 172, and the power control module 171 is connected to the serial port connection module 12. The voltage stabilizing module 141 supplies power to each module in the central control module. Since the rated voltages of each module are different, different voltage stabilizing chips are set accordingly for power supply. The power supply control module 142 can control the operation of the power supply module 14, and control each module by controlling the power supply situation of the power supply module 14.

[0067] Specifically, the voltage stabilizing module 141 includes a voltage stabilizing chip U2, a voltage stabilizing chip U3, and a voltage stabilizing chip U4. The voltage stabilizing chip U2 can convert a 3.3V voltage into a 2.8V voltage, the voltage stabilizing chip U3 can convert a 5V voltage into a 3.3V voltage, and the voltage stabilizing chip U4 can convert an input 12V voltage into a 5V voltage, and can supply power to each module in accordance with the voltage required, so that each module can operate normally. The power supply control module 142 is respectively connected to the EN terminal of the voltage stabilizing chip U4 and the PA14 terminal of the chip U1. The power supply control module 142 can control the power-on status, thereby controlling the start and shut down of each module.

[0068] The charging controller includes a communication module 18 and a voice module. The communication module 18 is connected to the main control module 11, and the voice module is connected to the main control module 11. The communication module 18 is connected to the main control module 11, and the communication module 18 includes a 485 protocol interface and a CAN bus. The communication module 18 can be connected to the server to transmit the user's usage record to the server. At the same time, the account information of the user's account can be transmitted to the device, and the current balance information can be displayed on the screen 15. The voice module includes a buzzer, and an alarm sound can be issued through the buzzer. When the balance of the user's account is insufficient or the equipment fails, the buzzer sounds and an alarm sound is issued through sound.

[0069] The billing controller includes an interface module, and the interface module includes an interface J2. The interface J2 is connected to an external device. Through the interface J2, the chip U1 can communicate with the outside, enter the program of the chip U1, and update and upgrade the system.

[0070] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0071] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0072] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0073] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0074] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0075] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms should not be understood as necessarily being directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

[0076] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these modifications and variations.

[0077] The above is a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A charging controller for a shared washing machine, characterized in that: It includes a card reading module, a main control module, and a serial port connection module, wherein the main control module is connected to the serial port connection module, and the card reading module is connected to the main control module; The serial port connection module is connected to the control mainboard of the washing machine.

2. The charging controller according to claim 1, characterized in that: It includes a power supply module, which is respectively connected to the card reading module, the main control module and the serial port connection module.

3. The charging controller according to claim 1, characterized in that: The card reading module includes a card reading control module and a sensing module, and the sensing module is connected to the card reading control module.

4. The charging controller according to claim 1, characterized in that: It includes a screen and a screen display module, wherein the screen display module is connected to the main control module, and the screen is connected to the screen display module.

5. The charging controller according to claim 1, characterized in that: It includes a storage module, and the storage module is connected to the main control module.

6. The charging controller according to claim 1, characterized in that: It includes a communication module, and the communication module is connected to the main control module.

7. The charging controller according to claim 2, characterized in that: It includes a solenoid valve, a power control module, and a water outlet control module. The water outlet control module is connected to the solenoid valve, the solenoid valve is connected to the water inlet of the washing machine, and the power control module is connected to the power interface of the washing machine.

8. The charging controller according to claim 7, characterized in that: The power supply module includes a voltage stabilizing module and a power supply control module. The voltage stabilizing module is connected to the power supply control module, the power supply control module is connected to the main control module, the voltage stabilizing module is connected to the water outlet control module, the power supply control module is connected to the serial port connection module.

9. The charging controller according to claim 7, characterized in that: The water outlet control module includes a first optical coupling isolation module and a solenoid valve control module, and the optical coupling isolation module is connected to the solenoid valve control module.

10. The charging controller according to claim 7, characterized in that: The power control module includes a second optical coupling isolation module and a relay control module; The input end of the second optical coupling isolation module is connected to the input end of the relay control module, and the output end of the second optical coupling isolation module is connected to the output end of the relay control module.