Control system of plugging-free charging device

Abstract

The utility model discloses a control system of a plugging-free charging device, and the key points of the technical scheme are that the control system comprises an input unit which is configured to be an input interface connected with an external power supply and is used for connecting the external power supply; the processing unit is configured to be in signal connection with the input unit, and is used for collecting the charging signal, setting interval time and a signal threshold value, performing signal detection on the charging signal according to the interval time and the signal threshold value, and generating a charging stop signal and a charging restart signal; and the output unit is configured as an output interface which is in signal connection with the processing unit and the electric equipment, and is used for receiving the charging stop signal and the charging restart signal from the processing unit, and carrying out charging stop and charging start control on the electric equipment according to the charging stop signal and the charging restart signal. According to the technical scheme, charging can be automatically started after a period of time interval after charging of the electric equipment is automatically stopped, and cyclic and stable charging of the electric equipment is achieved.

Description

Technical Field

[0001] This application relates to the field of charging device technology, and specifically to a control system for a plug-and-play charging device. Background Technology

[0002] Currently available chargers, after automatically stopping when the device is fully charged, cannot automatically restart to recharge.

[0003] In order to solve the problems existing in the prior art, this application provides a control system for a plug-and-play charging device that can automatically start charging after a certain interval after automatically stopping the charging of the device (or a certain capacity of the battery that is not fully charged). The length of the interval can be preset, or the user can set it according to the time it takes for the device to consume electricity. Utility Model Content

[0004] This utility model provides a control system for a plug-and-play charging device, including:

[0005] Input unit: An input interface configured to connect to an external power supply;

[0006] Processing unit: configured to be connected to the input unit for acquiring charging signals, setting interval time and signal threshold, and performing signal detection on the charging signals according to the interval time and signal threshold to generate charging stop signal and charging restart signal;

[0007] Output unit: configured as an output interface for signal connection with processing unit and electrical equipment, used to receive charging stop signal and charging restart signal from processing unit, and to control the electrical equipment to stop charging and start charging according to the charging stop signal and charging restart signal;

[0008] The interval time setting must meet one of the following conditions:

[0009] Condition 1: Preset to a fixed value; or

[0010] Condition 2: Set it using at least one of the following five methods:

[0011] Method 1: Setting the interval time via a power-off storage unit: The MCU microcontroller chip in the processing unit has a preset number of time periods built in. The time periods are switched by plugging and unplugging the charging device. Indicator lights or display components marked with the corresponding time periods are used to set the interval time.

[0012] Method 2: Setting the interval time via buttons: The MCU microcontroller chip in the processing unit has a preset number of time periods. The time periods can be switched and set via buttons. Indicator lights or display elements with corresponding time periods are used to set the interval time.

[0013] Method 3: Setting the interval time via DIP switch: The MCU microcontroller chip in the processing unit has a preset number of time periods built in. These time periods are set via DIP switch. The MCU microcontroller chip sets the time period, and an indicator light or display element with the corresponding time period is used to set the interval time.

[0014] Method 4: Setting the interval time via potentiometer: The MCU microcontroller chip in the processing unit has a preset number of time periods. The voltage is divided by a potentiometer and a resistor. The voltage division value is changed by adjusting the potentiometer. The time period is set by inputting the time period into the MCU microcontroller chip. Indicator lights or display components with corresponding time periods are used to set the interval time.

[0015] Method 5: Setting the interval time via a rotary encoder: The MCU microcontroller chip in the processing unit has a preset number of time periods. The rotary encoder detects the rotation direction signal and inputs it into the MCU microcontroller chip to set the time period. Indicator lights or display elements marked with the corresponding time periods are used to set the interval time.

[0016] Preferably, the input unit is configured as a first interface USB1, the B9 pin and A9 pin of the first interface USB1 are both connected to the external power supply VCC, the A5 pin of the first interface USB1 is connected to a first resistor R1, the other end of the first resistor R1 is grounded, the B5 pin of the first interface USB1 is connected to a second resistor R2, the other end of the second resistor R2 is grounded, and the seventh pin, A12 pin and B12 pin of the first interface USB1 are all grounded.

[0017] Preferably, the output unit is configured as a second interface USB2, with pins B4, B9, A4, and A9 of the second interface USB2 connected together, and pins B4, B9, A4, and A9 of the second interface USB2 connected to a field-effect transistor Q1. One end of the field-effect transistor Q1 is connected to a sixth resistor R6 and a seventh resistor R7, the other end of the field-effect transistor Q1 is connected to an external power supply, the other end of the sixth resistor R6 is connected to an external power supply, and the other end of the seventh resistor R7 is connected to the processing unit.

[0018] Pins A1, A12, B1, B12, the 25th pin, and the 26th pin of the second interface USB2 are all connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0019] Preferably, the processing unit of the first method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, a light-emitting diode LED1, a light-emitting diode LED2, and a light-emitting diode LED3.

[0020] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The eighth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the eighth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The second pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The third pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fourth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC.

[0021] The fourth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the fifth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0022] The seventh pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the sixth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0023] Preferably, the processing unit of the second method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, light-emitting diodes LED1, LED2, LED3, and a button K1.

[0024] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The eighth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the eighth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The second pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The third pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fifth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC.

[0025] The fourth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, and the fourth pin of the MCU microcontroller chip U1 is connected to the button K1. The other end of the button K1 is grounded. The fifth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1. The first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0026] The seventh pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the sixth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0027] Preferably, the processing unit of the third method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, light-emitting diodes LED1, LED2, LED3, and a DIP switch SW1.

[0028] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The tenth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the tenth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The fifth pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The sixth pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The seventh pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC.

[0029] The second pin of the MCU microcontroller chip U1 is connected to the sixth pin of the DIP switch SW1, the third pin of the MCU microcontroller chip U1 is connected to the fifth pin of the DIP switch SW1, the fourth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the DIP switch SW1, and the first, second, and third pins of the DIP switch SW1 are connected and all grounded.

[0030] The fifth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the sixth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0031] The ninth pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the eighth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0032] Preferably, the processing unit (2) of the fourth method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a ninth resistor R9, a potentiometer RV1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a light-emitting diode LED1, a light-emitting diode LED2, and a light-emitting diode LED3.

[0033] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The eighth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the eighth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The third pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The fourth pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fifth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC.

[0034] The fourth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the fifth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0035] The seventh pin of the MCU microcontroller chip U1 is connected to the fourth capacitor C4 and the potentiometer RV1. The other end of the fourth capacitor C4 is grounded. One end of the potentiometer RV1 is connected to the external power supply VCC. The other end of the potentiometer RV1 is connected to the ninth resistor R9. The other end of the ninth resistor R9 is grounded. The sixth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded. The other end of the eighth resistor R8 is grounded.

[0036] Preferably, the processing unit of the fifth method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, light-emitting diodes LED1, LED2, LED3, and a rotary encoder ENC1.

[0037] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The tenth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the tenth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The second pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The third pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fifth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC.

[0038] The fourth pin of the MCU microcontroller chip U1 is connected to the A pin of the rotary encoder ENC1, the seventh pin of the MCU microcontroller chip U1 is connected to the B pin of the rotary encoder ENC1, and the C pin, sixth pin and seventh pin of the rotary encoder ENC1 are all grounded.

[0039] The fifth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the sixth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0040] The ninth pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the eighth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0041] Preferably, the processing unit acquires the charging signal from the charging device;

[0042] When the charging signal is less than or equal to the signal threshold, the processing unit outputs a charging stop signal and obtains the stop time corresponding to the charging stop signal;

[0043] The timing begins based on the stop time, and after the interval ends, the processing unit outputs a charging restart signal.

[0044] In summary, the beneficial effects of this utility model are:

[0045] 1. The interval time setting in this utility model satisfies one of the following conditions: Condition 1: Preset to a fixed value; or Condition 2: Set using at least one of the following five methods: Method 1: Setting the interval time via a power-off storage unit: The MCU microcontroller chip in the processing unit has a preset number of time periods built in, and the time periods are switched by plugging and unplugging the charging device. An indicator light or display element marked with the corresponding time period is used to set the interval time; Method 2: Setting the interval time via a button: The MCU microcontroller chip in the processing unit has a preset number of time periods built in, and the time periods are switched by a button. An indicator light or display element marked with the corresponding time period is used to set the interval time; Method 3: Setting the interval time via a DIP switch: The MCU microcontroller chip in the processing unit has a preset number of time periods built in... There are five methods for setting the interval time: Method 1: Setting the interval time via a DIP switch. The interval time is set by inputting a time period into the MCU microcontroller chip, indicated by an indicator light or display element corresponding to the time period. Method 2: Setting the interval time via a potentiometer. The MCU microcontroller chip in the processing unit has a preset number of time periods. A voltage divider is created using a potentiometer and a resistor. The voltage division value is changed by adjusting the potentiometer. The interval time is set by inputting a time period into the MCU microcontroller chip, indicated by an indicator light or display element corresponding to the time period. Method 3: Setting the interval time via a rotary encoder. The MCU microcontroller chip in the processing unit has a preset number of time periods. A rotary encoder detects the rotation direction signal. The interval time is set by inputting a time period into the MCU microcontroller chip, indicated by an indicator light or display element corresponding to the time period. These five methods allow for customized interval time settings.

[0046] 2. This utility model can automatically start charging after a certain interval following the automatic stop of fully charging the electrical equipment (or a certain capacity of the battery that is not fully charged). The length of the interval can be preset, or the user can set it according to the time it takes for the electrical equipment to consume electricity, so as to realize the cyclical and stable charging of the electrical equipment. Attached Figure Description

[0047] Figure 1 This is a system structure diagram of a control system for a plug-and-play charging device.

[0048] Figure 2 This is a system circuit diagram of method one in the control system of a plug-and-play charging device.

[0049] Figure 3 This is a system circuit diagram for Method 2 in a control system for a plug-and-play charging device.

[0050] Figure 4 This is a system circuit diagram for method three in a control system of a plug-and-play charging device.

[0051] Figure 5 This is a system circuit diagram for method four in a control system of a plug-and-play charging device.

[0052] Figure 6 This is a system circuit diagram for mode five in the control system of a plug-and-play charging device.

[0053] In the diagram: 1. Input unit; 2. Processing unit; 3. Output unit. Detailed Implementation

[0054] The following combination Figures 1 to 6 The present invention will be described in further detail below.

[0055] This utility model discloses a control system for a plug-and-play charging device.

[0056] Reference Figures 1 to 6 A control system for a plug-and-play charging device includes:

[0057] Input Unit 1: An input interface configured to connect to an external power supply;

[0058] Processing unit 2: configured to be connected to input unit 1 for acquiring charging signals, setting interval time and signal threshold, and performing signal detection on the charging signals based on the interval time and signal threshold to generate charging stop signal and charging restart signal;

[0059] Output unit 3: configured as an output interface for signal connection with processing unit 2 and electrical equipment, used to receive charging stop signal and charging restart signal from processing unit 2, and to control the electrical equipment to stop charging and start charging according to the charging stop signal and charging restart signal;

[0060] The interval time setting must meet one of the following conditions:

[0061] Condition 1: Preset to a fixed value; or

[0062] Condition 2: Set it using at least one of the following five methods:

[0063] Method 1: Setting the interval time via a power-off storage unit: The MCU microcontroller chip in processing unit 2 has a preset number of time periods built in. The time periods are switched by plugging and unplugging the charging device. Indicator lights or display components marked with the corresponding time periods are used to set the interval time.

[0064] Method 2: Setting the interval time via buttons: The MCU microcontroller chip in processing unit 2 has a preset number of time periods built in. The time periods can be switched and set by buttons. Indicator lights or display elements marked with the corresponding time periods are used to set the interval time.

[0065] Method 3: Setting the interval time via DIP switch: The MCU microcontroller chip in processing unit 2 has a preset number of time periods built in. The interval time is set by inputting the time period into the MCU microcontroller chip and using indicator lights or display elements marked with the corresponding time periods.

[0066] Method 4: Setting the interval time via potentiometer: The MCU microcontroller chip in processing unit 2 has a preset number of time periods built in. The voltage is divided by a potentiometer and a resistor. The voltage division value is changed by adjusting the potentiometer. The time period is set by inputting the time period into the MCU microcontroller chip. The indicator light or display element with the corresponding time period is used to set the interval time.

[0067] Method 5: Setting the interval time via a rotary encoder: The MCU microcontroller chip in processing unit 2 has a preset number of time periods. The rotary encoder detects the rotation direction signal and inputs it into the MCU microcontroller chip to set the time period. Indicator lights or display elements marked with the corresponding time periods are used to set the interval time.

[0068] In some embodiments, the charging signal can be the charging current in practical applications. When the charging signal is the charging current in practical applications, the signal threshold is set to the current threshold. In practical applications, the use scenarios of this utility model include being used alone as a charging converter (one end connected to an external power source and the other end connected to the electrical device), being used as part of a charger, or being used as part of an electrical device.

[0069] Furthermore, the five settings for the interval time in this utility model are only preferred embodiments listed in this utility model. In practical applications, the interval time can also be achieved through other settings, such as by using the factory-built-in interval time.

[0070] Input unit 1 is configured as the first interface USB1. The B9 and A9 pins of the first interface USB1 are both connected to the external power supply VCC. The A5 pin of the first interface USB1 is connected to the first resistor R1, and the other end of the first resistor R1 is grounded. The B5 pin of the first interface USB1 is connected to the second resistor R2, and the other end of the second resistor R2 is grounded. The seventh pin, A12 pin, and B12 pin of the first interface USB1 are all grounded.

[0071] In some embodiments, the input unit may be configured as a USB interface or other interfaces for connection, depending on the actual application scenario.

[0072] Output unit 3 is configured as a second interface USB2. Pins B4, B9, A4 and A9 of the second interface USB2 are connected, and pins B4, B9, A4 and A9 of the second interface USB2 are connected to a field-effect transistor Q1. One end of the field-effect transistor Q1 is connected to a sixth resistor R6 and a seventh resistor R7. The other end of the field-effect transistor Q1 is connected to an external power supply. The other end of the sixth resistor R6 is connected to an external power supply, and the other end of the seventh resistor R7 is connected to the processing unit 2.

[0073] Pins A1, A12, B1, B12, the 25th pin, and the 26th pin of the second interface USB2 are all connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0074] In some embodiments, the output unit may be configured as a USB interface or other interfaces for connection, depending on the actual application scenario.

[0075] Reference Figure 2 As shown, the processing unit 2 of method one includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, a light-emitting diode LED1, a light-emitting diode LED2, and a light-emitting diode LED3.

[0076] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The eighth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the eighth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The second pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The third pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fourth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2 and LED3 are all connected to the external power supply VCC.

[0077] The fourth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the fifth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0078] The seventh pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, the sixth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8, the other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0079] Reference Figure 3 As shown, the processing unit 2 of method two includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, light-emitting diodes LED1, LED2, LED3, and a button K1.

[0080] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The eighth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the eighth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The second pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The third pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fifth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC.

[0081] The fourth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, and the fourth pin of the MCU microcontroller chip U1 is connected to the button K1. The other end of the button K1 is grounded. The fifth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1. The first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0082] The seventh pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, the sixth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8, the other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0083] Reference Figure 4 As shown, the processing unit 2 of method 3 includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, light-emitting diodes LED1, LED2, LED3, and a DIP switch SW1.

[0084] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The tenth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the tenth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The fifth pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The sixth pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The seventh pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC.

[0085] The second pin of the MCU microcontroller chip U1 is connected to the sixth pin of the DIP switch SW1, the third pin of the MCU microcontroller chip U1 is connected to the fifth pin of the DIP switch SW1, the fourth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the DIP switch SW1, and the first, second, and third pins of the DIP switch SW1 are connected and all grounded.

[0086] The fifth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the sixth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0087] The ninth pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the eighth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0088] In some embodiments, Method 3 can be used to represent the interval time in practical applications using a three-bit encoding method, such as 001 representing 1 hour, 010 representing 2 hours, 011 representing 3 hours, and so on.

[0089] Reference Figure 5 As shown, the processing unit 2 of method four includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a ninth resistor R9, a potentiometer RV1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, an LED1, an LED2, and an LED3.

[0090] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The eighth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the eighth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The third pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The fourth pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fifth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC.

[0091] The fourth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the fifth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0092] The seventh pin of the MCU microcontroller chip U1 is connected to the fourth capacitor C4 and the potentiometer RV1. The other end of the fourth capacitor C4 is grounded. One end of the potentiometer RV1 is connected to the external power supply VCC, and the other end of the potentiometer RV1 is connected to the ninth resistor R9. The other end of the ninth resistor R9 is grounded. The sixth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0093] Reference Figure 6 As shown, the processing unit 2 of method five includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, light-emitting diodes LED1, LED2, LED3, and a rotary encoder ENC1.

[0094] The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The tenth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the tenth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The second pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The third pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fifth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2 and LED3 are all connected to the external power supply VCC.

[0095] The fourth pin of the MCU microcontroller chip U1 is connected to the A pin of the rotary encoder ENC1, the seventh pin of the MCU microcontroller chip U1 is connected to the B pin of the rotary encoder ENC1, and the C pin, sixth pin and seventh pin of the rotary encoder ENC1 are all grounded.

[0096] The fifth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the sixth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded.

[0097] The ninth pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the eighth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

[0098] Processing unit 2 acquires the charging signal from the charging device;

[0099] When the charging signal is less than or equal to the signal threshold, the processing unit 2 outputs a charging stop signal and obtains the stop time corresponding to the charging stop signal;

[0100] The timing starts based on the stop time as the start time. After the interval ends, the processing unit 2 outputs a charging restart signal.

[0101] In practical applications, when processing unit 2 detects that the charging signal is less than or equal to the signal threshold, processing unit 2 issues a charging stop signal, causing output unit 3 to stop charging the device and start timing. After the interval time is completed, processing unit 2 issues a charging restart signal, causing output unit 3 to start charging the device. At this time, processing unit 2 continues to collect charging signals and continues to detect the charging signals according to the interval time and signal threshold. When it detects that the charging signal is less than or equal to the signal threshold, processing unit 2 issues a charging stop signal again and starts timing. After the interval time is completed, it issues a charging restart signal again, causing output unit 3 to charge the device again, and so on in a cycle.

[0102] The above embodiments are merely specific implementations of this utility model, and their descriptions should not be construed as limiting the scope of protection. Those skilled in the art can implement this utility model through equivalent substitutions of conventional electronic components, modifications to circuit structures, or reasonable layout modifications without departing from the scope of this utility model as defined in the claims; all such improvements fall within the protection scope of this patent.

Claims

1. A control system for a plug-and-play charging device, characterized in that, include: Input unit (1): An input interface configured to connect to an external power supply for connecting to an external power supply; Processing unit (2): configured to be connected to the input unit (1) for acquiring charging signals, setting interval time and signal threshold, and performing signal detection on the charging signals according to the interval time and signal threshold to generate charging stop signal and charging restart signal; Output unit (3): configured as an output interface connected to the processing unit (2) and the electrical equipment, used to receive the charging stop signal and the charging restart signal from the processing unit (2), and to control the electrical equipment to stop charging and start charging according to the charging stop signal and the charging restart signal; The interval time setting must meet one of the following conditions: Condition 1: Preset to a fixed value; or Condition 2: Set it using at least one of the following five methods: Method 1: Setting the interval time through the power-off storage unit: The MCU microcontroller chip in the processing unit (2) has a preset number of time periods built in. The time periods are switched by plugging and unplugging the charging device. The indicator light or display element with the corresponding time period is used to set the interval time. Method 2: Setting the interval time via buttons: The MCU microcontroller chip in the processing unit (2) has a preset number of time periods built in. The time periods can be switched by buttons. Indicator lights or display elements marked with the corresponding time periods are used to set the interval time. Method 3: Setting the interval time via DIP switch: The MCU microcontroller chip in the processing unit (2) has a preset number of time periods built in, which can be set by DIP switch. Input the time period set by the MCU microcontroller chip, and set the interval time by the indicator light or display element marked with the corresponding time period. Method 4: Setting the interval time via potentiometer: The MCU microcontroller chip in the processing unit (2) has a preset number of time periods built in. The potentiometer and resistor divide the voltage, and the voltage division value is changed by adjusting the potentiometer. The time period is set by inputting the MCU microcontroller chip. The indicator light or display element with the corresponding time period is used to set the interval time. Method 5: Setting the interval time via a rotary encoder: The MCU microcontroller chip in the processing unit (2) has a preset number of time periods. The rotary encoder detects the rotation direction signal and inputs it into the MCU microcontroller chip to set the time period. Indicator lights or display elements marked with the corresponding time period are used to set the interval time.

2. The control system according to claim 1, characterized in that: The input unit (1) is configured as a first interface USB1. The B9 pin and A9 pin of the first interface USB1 are both connected to the external power supply VCC. The A5 pin of the first interface USB1 is connected to a first resistor R1. The other end of the first resistor R1 is grounded. The B5 pin of the first interface USB1 is connected to a second resistor R2. The other end of the second resistor R2 is grounded. The seventh pin, A12 pin and B12 pin of the first interface USB1 are all grounded.

3. The control system according to claim 1, characterized in that: The output unit (3) is configured as a second interface USB2. The B4 pin, B9 pin, A4 pin and A9 pin of the second interface USB2 are connected, and the B4 pin, B9 pin, A4 pin and A9 pin of the second interface USB2 are connected to a field-effect transistor Q1. One end of the field-effect transistor Q1 is connected to a sixth resistor R6 and a seventh resistor R7. The other end of the field-effect transistor Q1 is connected to an external power supply. The other end of the sixth resistor R6 is connected to an external power supply. The other end of the seventh resistor R7 is connected to the processing unit (2). Pins A1, A12, B1, B12, the 25th pin, and the 26th pin of the second interface USB2 are all connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

4. The control system according to claim 1, characterized in that: The processing unit (2) of the first method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, a light-emitting diode LED1, a light-emitting diode LED2, and a light-emitting diode LED3. The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The eighth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the eighth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The second pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The third pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fourth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC. The fourth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the fifth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded. The seventh pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the sixth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

5. The control system according to claim 1, characterized in that: The processing unit (2) of the second method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, a light-emitting diode LED1, a light-emitting diode LED2, a light-emitting diode LED3, and a button K1. The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The eighth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the eighth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The second pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The third pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fifth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC. The fourth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, and the fourth pin of the MCU microcontroller chip U1 is connected to the button K1. The other end of the button K1 is grounded. The fifth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1. The first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded. The seventh pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the sixth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

6. The control system according to claim 1, characterized in that: The processing unit (2) of the third method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, a light-emitting diode LED1, a light-emitting diode LED2, a light-emitting diode LED3, and a DIP switch SW1. The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The tenth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the tenth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The fifth pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The sixth pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The seventh pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC. The second pin of the MCU microcontroller chip U1 is connected to the sixth pin of the DIP switch SW1, the third pin of the MCU microcontroller chip U1 is connected to the fifth pin of the DIP switch SW1, the fourth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the DIP switch SW1, and the first, second, and third pins of the DIP switch SW1 are connected and all grounded. The fifth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the sixth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded. The ninth pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the eighth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

7. The control system according to claim 1, characterized in that: The processing unit (2) of the fourth method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a ninth resistor R9, a potentiometer RV1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a light-emitting diode LED1, a light-emitting diode LED2, and a light-emitting diode LED3. The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The eighth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the eighth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The third pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The fourth pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fifth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC. The fourth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the fifth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded. The seventh pin of the MCU microcontroller chip U1 is connected to the fourth capacitor C4 and the potentiometer RV1. The other end of the fourth capacitor C4 is grounded. One end of the potentiometer RV1 is connected to the external power supply VCC. The other end of the potentiometer RV1 is connected to the ninth resistor R9. The other end of the ninth resistor R9 is grounded. The sixth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded. The other end of the eighth resistor R8 is grounded.

8. The control system according to claim 1, characterized in that: The processing unit (2) of the fifth method includes an MCU microcontroller chip U1, a programming interface PROG1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, a light-emitting diode LED1, a light-emitting diode LED2, a light-emitting diode LED3, and a rotary encoder ENC1. The first pin of the MCU microcontroller chip U1 is connected to one end of the first capacitor C1 and the second capacitor C2, and the first pin of the MCU microcontroller chip U1 is connected to the external power supply VCC. The tenth pin of the MCU microcontroller chip U1 is connected to the other end of the first capacitor C1 and the second capacitor C2, and the tenth pin of the MCU microcontroller chip U1 is grounded. The first capacitor C1 and the second capacitor C2 are connected in parallel. The second pin of the MCU microcontroller chip U1 is connected to the third resistor R3, and the other end of the third resistor R3 is connected to the light-emitting diode LED1. The third pin of the MCU microcontroller chip U1 is connected to the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the light-emitting diode LED2. The fifth pin of the MCU microcontroller chip U1 is connected to the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the light-emitting diode LED3. The other ends of the light-emitting diodes LED1, LED2, and LED3 are all connected to the external power supply VCC. The fourth pin of the MCU microcontroller chip U1 is connected to the A pin of the rotary encoder ENC1, the seventh pin of the MCU microcontroller chip U1 is connected to the B pin of the rotary encoder ENC1, and the C pin, sixth pin and seventh pin of the rotary encoder ENC1 are all grounded. The fifth pin of the MCU microcontroller chip U1 is connected to the third pin of the programming interface PROG1, the sixth pin of the MCU microcontroller chip U1 is connected to the fourth pin of the programming interface PROG1, the first pin of the programming interface PROG1 is connected to the external power supply VCC, and the second pin of the programming interface PROG1 is grounded. The ninth pin of the MCU microcontroller chip U1 is connected to the seventh resistor R7, and the eighth pin of the MCU microcontroller chip U1 is connected to the third capacitor C3 and the eighth resistor R8. The other end of the third capacitor C3 is grounded, and the other end of the eighth resistor R8 is grounded.

9. The control system according to claim 1, characterized in that: The processing unit (2) acquires the charging signal of the charging device; When the charging signal is less than or equal to the signal threshold, the processing unit (2) outputs a charging stop signal and obtains the stop time corresponding to the charging stop signal; The timing begins based on the stop time as the start time. After the interval ends, the processing unit (2) outputs a charging restart signal.

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