A vehicle controller power-on wake-up control circuit for a hydrogen fuel vehicle

Abstract

This invention relates to the field of hydrogen fuel cell vehicles, specifically to a power-on wake-up control circuit for a vehicle controller in a hydrogen fuel cell vehicle. The circuit includes a front-end input unit, a MOSFET group T200, a rear-end output unit, a control signal input unit, and a CPU unit. The MOSFET group T200 acts as a control switch between the front-end input unit and the rear-end output unit. An external low-voltage power distribution unit outputs 24V+ to the front-end input unit, turning off the MOSFET group T200, resulting in no power output from the rear-end output unit. The external low-voltage power distribution unit outputs 24V2+ to the input terminal of the control signal input unit, turning on the MOSFET group T200, allowing the rear-end output unit to output normally, thus achieving power-on wake-up. Simultaneously, the CPU unit controls the on / off time of the MOSFET group T200 through the power-off control signal IS_EN, enabling long-term power-on and delayed power-off control, reducing standby power consumption and the temperature of the vehicle controller, and avoiding safety hazards.

Description

Technical Field

[0001] The invention relates to the field of hydrogen fuel vehicles, and in particular to a power-on wake-up control circuit for a whole vehicle controller of a hydrogen fuel vehicle. Background Art

[0002] Hydrogen fuel vehicles use hydrogen as the main energy source, and combine hydrogen and oxygen through hydrogen fuel cells to generate electricity, which in turn drives the electric motor. Hydrogen fuel vehicles have attracted much attention for their unique environmental protection characteristics. Compared with traditional fuel vehicles, the combustion product of hydrogen-powered vehicles is only water, and no harmful gas emissions such as carbon dioxide are produced. They are pollution-free to the environment and play an important role in reducing air pollution and greenhouse gas emissions.

[0003] In addition, the energy conversion efficiency of hydrogen-powered vehicles is also very high, theoretically reaching more than 50%, which is much higher than the 30% of internal combustion engine vehicles. This means that with the same energy input, hydrogen-powered vehicles can travel farther and meet the needs of long-distance driving. Compared with battery electric vehicles, the time to refuel hydrogen-powered vehicles is very short, usually only a few minutes, while battery electric vehicles may take hours or even longer to charge.

[0004] However, existing hydrogen fuel vehicles usually keep the vehicle controller working continuously after being powered on at a low voltage, which causes the standby power consumption of the vehicle to increase and the temperature of the vehicle controller to increase, posing a safety hazard. Summary of the invention

[0005] The purpose of the present invention is to provide a vehicle controller power-on wake-up control circuit for a hydrogen fuel vehicle, aiming to improve the problem that after the existing hydrogen fuel vehicle is usually powered on at a low voltage, the vehicle controller continues to work, resulting in increased standby power consumption of the vehicle and increased temperature of the vehicle controller, posing a safety hazard.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] A vehicle controller power-on wake-up control circuit for a hydrogen fuel vehicle includes a front-end input unit, a MOS tube group T200, a back-end output unit, a control signal input unit and a CPU unit.

[0008] The external low-voltage power distribution unit outputs 24V+ and 24V2+ to the input ends of the front-end input unit and the control signal input unit respectively; the MOS tube group T200 has a first MOS tube and a second MOS tube built in, the drain of the first MOS tube is electrically connected to the output end of the front-end input unit, the source of the first MOS tube is electrically connected to the source of the second MOS tube, the drain of the second MOS tube is electrically connected to the input end of the rear-end output unit, and the rear-end output unit outputs +24V to the external circuit; the output end of the control signal input unit is electrically connected to the gate of the first MOS tube and the gate of the second MOS tube;

[0009] The CPU unit outputs a power-off control signal IS_EN to the control signal input unit, and the external hydrogen supply unit outputs a hydrogen supply control signal I_S_CHARGE to the control signal input unit.

[0010] Further, the control signal input unit includes a switching diode D209, a switching diode D210, a voltage-stabilizing diode D212, a transistor Q201, a capacitor C222, and resistors R210, R211, R212, R213, R214, and R366;

[0011] The CPU unit outputs a power-off control signal IS_EN to a first input end of a switching diode D210, and an output end of the switching diode D210 is electrically connected to one end of a resistor R214; an external low-voltage power distribution unit outputs 24V2+ to a first input end of a switching diode D209, and an external hydrogen supply unit outputs a hydrogen supply control signal I_S_CHARGE to a second input end of a switching diode D209, and an output end of the switching diode D209 is electrically connected to one end of a resistor R213; the other end of the resistor R213 is electrically connected to the other end of the resistor R214, one end of the resistor R211, and the negative electrode of a voltage-stabilizing diode D212, the other end of the resistor R211 is electrically connected to the base of a transistor Q201 and one end of a resistor R210, and the other end of the resistor R210, the positive electrode of the voltage-stabilizing diode D212, and the emitter of the transistor Q201 are all connected to an external circuit as 24V-;

[0012] The resistor R212 and the capacitor C222 are connected in parallel between the collector of the transistor Q201 and the output end of the front-end input unit; the collector of the transistor Q201 is electrically connected to one end of the resistor R366 and the gate of the first MOS tube and the gate of the second MOS tube, and the other end of the resistor R366 is electrically connected to the source of the first MOS tube and the second MOS tube.

[0013] Further, the front-end input unit includes a fuse F200, an inductor L200, a diode D1, a voltage-stabilizing diode D201, a thermistor RV200, and capacitors C203 and C208;

[0014] The external low-voltage power distribution unit outputs 24V+ to one end of fuse F200 and the positive electrode of diode D1;

[0015] The other end of the fuse F200 and the cathode of the diode D1 are electrically connected to one end of the inductor L200 and one end of the thermistor RV200. The other end of the inductor L200 is electrically connected to the cathode of the voltage-stabilizing diode D201 and one end of the capacitor C203, and is electrically connected to the drain of the first MOS tube as an output end. The other end of the capacitor C203 is electrically connected to one end of the capacitor C208, and the other end of the capacitor C208, the anode of the voltage-stabilizing diode D201 and the other end of the thermistor RV200 are all connected to the external circuit as 24V-.

[0016] Further, the rear-end output unit includes a polar capacitor C201, a polar capacitor C202, a capacitor C204, a capacitor C210, a capacitor C211, an inductor L201, an inductor L205, an inductor L203 and a resistor R200, a resistor R201, and a resistor R202;

[0017] The drain of the second MOS tube is electrically connected to the positive electrode of the polar capacitor C201, the positive electrode of the polar capacitor C202, one end of the resistor R200, one end of the capacitor C211, one end of the resistor R202 and the pin 2 of the inductor L203; the negative electrode of the polar capacitor C201, the negative electrode of the polar capacitor C202 and the pin 1 of the inductor L203 are all electrically connected to one end of the resistor R201 and connected to the external circuit as 24V- and 24V1-; the other end of the resistor R200 is electrically connected to one end of the capacitor C210;

[0018] Pin 3 of the inductor L203 is electrically connected to one end of the inductor L201 and one end of the capacitor C204, and the other end of the inductor L201 is used as an output end to output +24V to an external circuit; Pin 4 of the inductor L203 is electrically connected to one end of the inductor L205 and the other end of the capacitor C204;

[0019] The other end of the inductor L205 , the other end of the resistor R201 , the other end of the resistor R202 , the other end of the capacitor C210 , and the other end of the capacitor C211 are all grounded.

[0020] Furthermore, the CPU unit includes a control chip U102, and the model of the control chip U102 is SAK-TC234L-32F200N AC; the pin 115 of the control chip U102 outputs the power-off control signal IS_EN to the control signal input unit.

[0021] Further, the CPU unit also includes a resistor R103, a resistor R105, a resistor R106 and a capacitor C123, a capacitor C124, a capacitor C125, a capacitor C126, a capacitor C127, and a capacitor C128;

[0022] The external power supply unit outputs VCC to pin 23, pin 69, pin 83, pin 126 of the control chip U102 and one end of the resistor R103, one end of the resistor R105, and one end of the resistor R106;

[0023] The other end of the resistor R103 is electrically connected to the pin 97 of the control chip U102, and outputs a / PORST signal to the external circuit. The other end of the resistor R105 is electrically connected to the pin 98 of the control chip U102. The other end of the resistor R106 is electrically connected to the pin 96 of the control chip U102.

[0024] Pin 10 of the control chip U102 is electrically connected to one end of capacitor C128; Pin 22 of the control chip U102 is electrically connected to one end of capacitor C123; Pin 70 of the control chip U102 is electrically connected to one end of capacitor C125; Pin 79 of the control chip U102 is electrically connected to one end of capacitor C126; Pin 99 of the control chip U102 is electrically connected to one end of capacitor C127; Capacitor C124 is electrically connected between pin 71 and pin 72 of the control chip U102;

[0025] The pin 80 of the control chip U102 and the other end of the capacitor C123 , the other end of the capacitor C125 , the other end of the capacitor C126 , the other end of the capacitor C127 , and the other end of the capacitor C128 are all grounded.

[0026] Furthermore, the CPU unit also includes a crystal oscillator B01 and capacitors C105 and C104;

[0027] The external power supply unit outputs VCC to pin 94 of the control chip U102;

[0028] Pin 81 of the control chip U102 is electrically connected to one end of capacitor C105 and pin 1 of crystal oscillator B01, pin 82 of the control chip U102 is electrically connected to one end of capacitor C104 and pin 4 of crystal oscillator B01, and pin 2, pin 4 of the crystal oscillator B01 and the other end of capacitor C104 and the other end of capacitor C105 are all grounded.

[0029] Further, the CPU unit also includes a resistor R108, a resistor R114, a resistor R115, a resistor R116, a resistor R118 and a resistor R225;

[0030] The external power supply unit outputs VCC to one end of the resistor R108, the resistor R114, the resistor R115, the resistor R116, the resistor R118 and the resistor R225;

[0031] The other end of the resistor R108 is electrically connected to the pin 124 of the control chip U102, the other end of the resistor R118 is electrically connected to the pin 120 of the control chip U102, the other end of the resistor R114 is electrically connected to the pin 121 of the control chip U102, the other end of the resistor R115 is electrically connected to the pin 143 of the control chip U102, the other end of the resistor R116 is electrically connected to the pin 144 of the control chip U102, the other end of the resistor R225 is electrically connected to the pin 117 of the control chip U102, and outputs the IS_E15V signal to the external circuit.

[0032] After adopting the above technical solution, the present invention has the following advantages compared with the background technology:

[0033] MOS tube group T200 is set as a control switch between the front-end input unit and the rear-end output unit. The external low-voltage power distribution unit outputs 24V+ to the front-end input unit, the MOS tube group T200 is turned off, and the rear-end output unit has no power output. The external low-voltage power distribution unit outputs 24V2+ to the input end of the control signal input unit to control the MOS tube group T200 to conduct, and the rear-end output unit outputs normally to achieve power-on wake-up; at the same time, the CPU unit controls the on-off time of the MOS tube group T200 through the power-off control signal IS_EN to achieve long-term power-on and delayed power-off control, reduce standby energy consumption and the temperature of the vehicle controller, and avoid safety hazards. And using the MOS tube group T200 as a switch component effectively prevents current backflow and reverse connection, which is convenient for the MOS tube group T200 to control. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a partial circuit diagram of the power-on wake-up control circuit of the vehicle controller of the hydrogen fuel vehicle of the present invention;

[0035] Figure 2This is the internal circuit diagram of the MOS tube group T200 of the power-on wake-up control circuit of the vehicle controller of the hydrogen fuel vehicle of the present invention;

[0036] Figure 3 This is a circuit diagram of the first part of the CPU unit of the power-on wake-up control circuit of the vehicle controller of the hydrogen fuel vehicle of the present invention;

[0037] Figure 4 The circuit diagram of the second part of the CPU unit of the power-on wake-up control circuit of the vehicle controller of the hydrogen fuel vehicle of the present invention;

[0038] Figure 5 The third circuit diagram of the CPU unit of the power-on wake-up control circuit of the vehicle controller of the hydrogen fuel vehicle of the present invention;

[0039] Figure 6 The fourth circuit diagram of the CPU unit of the power-on wake-up control circuit of the vehicle controller of the hydrogen fuel vehicle of the present invention;

[0040] Figure 7 This is the circuit diagram of the fifth part of the CPU unit of the power-on wake-up control circuit of the whole vehicle controller of the hydrogen fuel vehicle described in the present invention. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0042] In addition, it should be noted that the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element of the present invention must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0043] When an element is referred to as being “fixed to” or “disposed on” or “provided on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0044] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection 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 invention can be understood according to specific circumstances. Example

[0045] Please refer to Figure 1-3 As shown, this embodiment provides a vehicle controller power-on wake-up control circuit for a hydrogen fuel vehicle, including a front-end input unit, a MOS tube group T200, a rear-end output unit, a control signal input unit and a CPU unit. The external low-voltage power distribution unit outputs 24V+ and 24V2+ to the input ends of the front-end input unit and the control signal input unit, respectively. The MOS tube group T200 is built with a first MOS tube and a second MOS tube, the drain of the first MOS tube is electrically connected to the output end of the front-end input unit, the source of the first MOS tube is electrically connected to the source of the second MOS tube, the drain of the second MOS tube is electrically connected to the input end of the rear-end output unit, and the rear-end output unit outputs +24V to the external circuit. The output end of the control signal input unit is electrically connected to the gate of the first MOS tube and the gate of the second MOS tube. The CPU unit outputs a power-down control signal IS_EN to the control signal input unit, and the external hydrogen supply unit outputs a hydrogen supply control signal I_S_CHARGE to the control signal input unit.

[0046] MOS tube group T200 is set as a control switch between the front-end input unit and the rear-end output unit. The external low-voltage power distribution unit outputs 24V+ to the front-end input unit, the MOS tube group T200 is turned off, and the rear-end output unit has no power output. The external low-voltage power distribution unit outputs 24V2+ to the input end of the control signal input unit to control the MOS tube group T200 to conduct, and the rear-end output unit outputs normally to achieve power-on wake-up; at the same time, the CPU unit controls the on-off time of the MOS tube group T200 by outputting the power-off control signal IS_EN, realizing long-term power-on and delayed power-off control, reducing standby energy consumption and the temperature of the vehicle controller, and avoiding safety hazards. And using the MOS tube group T200 as a switch component effectively prevents current backflow and reverse connection, which is convenient for the MOS tube group T200 to control.

[0047] At the same time, the CPU unit monitors the power distribution in real time through the 24V2+ signal to ensure that the vehicle is powered normally and controls the communication of each module and the execution of various control logics to avoid errors. Furthermore, the vehicle controller detects the hydrogen supply control signal I_S_CHARGE. When it detects that the hydrogen supply control signal I_S_CHARGE is at a high level, it actively switches the hydrogen supply mode to perform efficient logic conversion.

[0048] Please refer to Figure 1 and Figure 2 As shown, the control signal input unit includes a switching diode D209, a switching diode D210, a voltage-stabilizing diode D212, a transistor Q201, a capacitor C222, and resistors R210, R211, R212, R213, R214, and R366.

[0049] The CPU unit outputs the power-down control signal IS_EN to the first input end of the switch diode D210, and the output end of the switch diode D210 is electrically connected to one end of the resistor R214. The external low-voltage power distribution unit outputs 24V2+ to the first input end of the switch diode D209, and the external hydrogen supply unit outputs the hydrogen supply control signal I_S_CHARGE to the second input end of the switch diode D209, and the output end of the switch diode D209 is electrically connected to one end of the resistor R213. The other end of the resistor R213 is electrically connected to the other end of the resistor R214, one end of the resistor R211, and the negative electrode of the voltage-stabilizing diode D212; the other end of the resistor R211 is electrically connected to the base of the transistor Q201 and one end of the resistor R210, and the other end of the resistor R210, the positive electrode of the voltage-stabilizing diode D212, and the emitter of the transistor Q201 are all connected to the external circuit as 24V-.

[0050] The resistor R212 and the capacitor C222 are connected in parallel between the collector of the transistor Q201 and the output end of the front-end input unit. The collector of the transistor Q201 is electrically connected to one end of the resistor R366 and the gate of the first MOS tube and the gate of the second MOS tube, that is, the collector of the transistor Q201 is electrically connected to one end of the resistor R366 and the pin 2 and the pin 4 of the MOS tube group T200. The other end of the resistor R366 is electrically connected to the source of the first MOS tube and the second MOS tube, that is, the other end of the resistor R366 is electrically connected to the pin 1 and the pin 3 of the MOS tube group T200. The resistor R366 is connected to the source of the first MOS tube and the source of the second MOS tube to prevent the voltage between the drain and the source from causing the first MOS tube and the second MOS tube to be accidentally turned on and damaged due to the gate of the first MOS tube and the gate of the second MOS tube being suspended, thereby protecting the first MOS tube and the second MOS tube. At the same time, when there is no driving signal, the resistor R366 fixes the gate voltage of the first MOS tube and the second MOS tube at a lower state, thereby avoiding false triggering and ensuring reliable on-off operation.

[0051] When the external low-voltage power distribution unit outputs 24V+ and is valid, the external low-voltage power distribution unit pulls up the input of 24V2+, and the input of the base of the transistor Q201 is pulled up by the resistor voltage division to obtain 0.7V. At this time, the transistor Q201 is in a saturated state, and the collector and emitter are in a conductive and low state. The gate voltage of the MOS tube group T200 is lower than the source voltage, and the drain and source of the first MOS tube and the second MOS tube of the MOS tube group T200 are conductive, thereby ensuring that the input voltage 24V+ is supplied to the rear-end output unit. At this time, the output end of the rear-end output unit outputs a +24V voltage. The CPU unit is in the wake-up working state. The CPU unit determines the current working state by detecting whether the input 24V2+ is high or low, thereby effectively executing the corresponding control logic. The CPU unit controls the on-off time of the MOS tube group T200 by outputting the power-off control signal IS_EN, realizing long-term power-on and delayed power-off control, reducing standby energy consumption and the temperature of the vehicle controller, and avoiding safety hazards. At the same time, the vehicle is guaranteed to complete the correct power-off logic before the wake-up input is low, thereby ensuring the safety of the vehicle and the stability of its operation. The vehicle controller detects the hydrogen supply control signal I_S_CHARGE, and when it detects that the hydrogen supply control signal I_S_CHARGE is high, it actively switches the hydrogen supply mode, thereby performing efficient logic conversion.

[0052] Furthermore, the front-end input unit includes a fuse F200, an inductor L200, a diode D1, a voltage-stabilizing diode D201, a thermistor RV200, and capacitors C203 and C208.

[0053] The external low-voltage power distribution unit outputs 24V+ to one end of the fuse F200 and the positive electrode of the diode D1. The other end of the fuse F200 and the negative electrode of the diode D1 are both electrically connected to one end of the inductor L200 and one end of the thermistor RV200. The other end of the inductor L200 is electrically connected to the negative electrode of the voltage-stabilizing diode D201 and one end of the capacitor C203, and is electrically connected to the drain of the first MOS tube as an output end; that is, the other end of the inductor L200 is also electrically connected to pins 5 and 6 of the MOS tube group T200, and further, the resistor R212 and the capacitor C222 are connected in parallel between the collector of the transistor Q201 and the other end of the inductor L200. The other end of the capacitor C203 is electrically connected to one end of the capacitor C208, and the other end of the capacitor C208, the positive electrode of the voltage-stabilizing diode D201 and the other end of the thermistor RV200 are all connected to the external circuit as 24V-.

[0054] Furthermore, the back-end output unit includes a polarized capacitor C201, a polarized capacitor C202, a capacitor C204, a capacitor C210, a capacitor C211, an inductor L201, an inductor L205, an inductor L203 and a resistor R200, a resistor R201, and a resistor R202.

[0055] The drain of the second MOS tube is electrically connected to the positive electrode of the polarized capacitor C201, the positive electrode of the polarized capacitor C202, one end of the resistor R200, one end of the capacitor C211, one end of the resistor R202, and the pin 2 of the inductor L203, that is, the pins 7 and 8 of the MOS tube group T200 are electrically connected to the positive electrode of the polarized capacitor C201, the positive electrode of the polarized capacitor C202, one end of the resistor R200, one end of the capacitor C211, one end of the resistor R202, and the pin 2 of the inductor L203. The negative electrode of the polarized capacitor C201, the negative electrode of the polarized capacitor C202, and the pin 1 of the inductor L203 are all electrically connected to one end of the resistor R201, and are connected to the external circuit as 24V- and 24V1-; the other end of the resistor R200 is electrically connected to one end of the capacitor C210.

[0056] Pin 3 of inductor L203 is electrically connected to one end of inductor L201 and one end of capacitor C204, and the other end of inductor L201 serves as an output end to output +24V to an external circuit; pin 4 of inductor L203 is electrically connected to one end of inductor L205 and the other end of capacitor C204.

[0057] The other end of the inductor L205 , the other end of the resistor R201 , the other end of the resistor R202 , the other end of the capacitor C210 , and the other end of the capacitor C211 are all grounded.

[0058] Please refer to Figure 3-7As shown, further, the CPU unit includes a control chip U102, and the model of the control chip U102 is SAK-TC234L-32F200N AC; the pin 115 of the control chip U102 outputs the power-off control signal IS_EN to the control signal input unit.

[0059] Please refer to Figure 3 As shown, further, the CPU unit also includes a resistor R103, a resistor R105, a resistor R106 and a capacitor C123, a capacitor C124, a capacitor C125, a capacitor C126, a capacitor C127, and a capacitor C128.

[0060] The external power supply unit outputs VCC to pins 23, 69, 83, 126 of the control chip U102 and one end of the resistor R103, one end of the resistor R105, and one end of the resistor R106. The other end of the resistor R103 is electrically connected to pin 97 of the control chip U102, and outputs a / PORST signal to the external circuit. The other end of the resistor R105 is electrically connected to pin 98 of the control chip U102, and the other end of the resistor R106 is electrically connected to pin 96 of the control chip U102. Pin 10 of the control chip U102 is electrically connected to one end of capacitor C128; pin 22 of the control chip U102 is electrically connected to one end of capacitor C123; pin 70 of the control chip U102 is electrically connected to one end of capacitor C125; pin 79 of the control chip U102 is electrically connected to one end of capacitor C126; pin 99 of the control chip U102 is electrically connected to one end of capacitor C127; capacitor C124 is electrically connected between pin 71 and pin 72 of the control chip U102. Pin 80 of the control chip U102 and the other end of capacitor C123, the other end of capacitor C125, the other end of capacitor C126, the other end of capacitor C127, and the other end of capacitor C128 are all grounded. Resistors R103, R105, R106 and capacitors C123, C124, C125, C126, C127, C128 and the control chip U102 form a power supply circuit to supply power to the internal circuit of the control chip U102.

[0061] Please refer to Figure 4As shown, further, the CPU unit also includes a crystal oscillator B01 and capacitors C105 and C104. The external power supply unit outputs VCC to pin 94 of the control chip U102. Pin 81 of the control chip U102 is electrically connected to one end of the capacitor C105 and pin 1 of the crystal oscillator B01, pin 82 of the control chip U102 is electrically connected to one end of the capacitor C104 and pin 4 of the crystal oscillator B01, and pins 2 and 4 of the crystal oscillator B01 and the other end of the capacitor C104 and the other end of the capacitor C105 are all grounded. The crystal oscillator B01 and capacitors C105 and C104 provide a clock signal for the control chip U102.

[0062] Please refer to Figure 6 As shown, further, the CPU unit also includes a resistor R108, a resistor R114, a resistor R115, a resistor R116, a resistor R118 and a resistor R225.

[0063] The external power supply unit outputs VCC to one end of the resistor R108, the resistor R114, the resistor R115, the resistor R116, the resistor R118 and the resistor R225. The other end of the resistor R108 is electrically connected to the pin 124 of the control chip U102, the other end of the resistor R118 is electrically connected to the pin 120 of the control chip U102, the other end of the resistor R114 is electrically connected to the pin 121 of the control chip U102, the other end of the resistor R115 is electrically connected to the pin 143 of the control chip U102, the other end of the resistor R116 is electrically connected to the pin 144 of the control chip U102, the other end of the resistor R225 is electrically connected to the pin 117 of the control chip U102, and outputs the IS_E15V signal to the external circuit.

[0064] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A vehicle controller power-on wake-up control circuit for a hydrogen fuel vehicle, characterized in that: It includes front-end input unit, MOS tube group T200, back-end output unit, control signal input unit and CPU unit. The external low-voltage power distribution unit outputs 24V+ and 24V2+ to the input ends of the front-end input unit and the control signal input unit respectively; the MOS tube group T200 has a first MOS tube and a second MOS tube built in, the drain of the first MOS tube is electrically connected to the output end of the front-end input unit, the source of the first MOS tube is electrically connected to the source of the second MOS tube, the drain of the second MOS tube is electrically connected to the input end of the rear-end output unit, and the rear-end output unit outputs +24V to the external circuit; the output end of the control signal input unit is electrically connected to the gate of the first MOS tube and the gate of the second MOS tube; The CPU unit outputs a power-off control signal IS_EN to the control signal input unit, and the external hydrogen supply unit outputs a hydrogen supply control signal I_S_CHARGE to the control signal input unit; The control signal input unit includes a switching diode D209, a switching diode D210, a voltage-stabilizing diode D212, a transistor Q201, a capacitor C222, and resistors R210, R211, R212, R213, R214, and R366; The CPU unit outputs a power-off control signal IS_EN to a first input end of a switching diode D210, and an output end of the switching diode D210 is electrically connected to one end of a resistor R214; an external low-voltage power distribution unit outputs 24V2+ to a first input end of a switching diode D209, and an external hydrogen supply unit outputs a hydrogen supply control signal I_S_CHARGE to a second input end of a switching diode D209, and an output end of the switching diode D209 is electrically connected to one end of a resistor R213; the other end of the resistor R213 is electrically connected to the other end of the resistor R214, one end of the resistor R211, and the negative electrode of a voltage-stabilizing diode D212, the other end of the resistor R211 is electrically connected to the base of a transistor Q201 and one end of a resistor R210, and the other end of the resistor R210, the positive electrode of the voltage-stabilizing diode D212, and the emitter of the transistor Q201 are all connected to an external circuit as 24V-; The resistor R212 and the capacitor C222 are connected in parallel between the collector of the transistor Q201 and the output end of the front-end input unit; the collector of the transistor Q201 is electrically connected to one end of the resistor R366 and the gate of the first MOS tube and the gate of the second MOS tube, and the other end of the resistor R366 is electrically connected to the source of the first MOS tube and the second MOS tube.

2. The vehicle controller power-on wake-up control circuit of a hydrogen fuel vehicle according to claim 1, characterized in that: The front-end input unit includes a fuse F200, an inductor L200, a diode D1, a voltage-stabilizing diode D201, a thermistor RV200, and capacitors C203 and C208; The external low-voltage power distribution unit outputs 24V+ to one end of fuse F200 and the positive electrode of diode D1; The other end of the fuse F200 and the cathode of the diode D1 are electrically connected to one end of the inductor L200 and one end of the thermistor RV200. The other end of the inductor L200 is electrically connected to the cathode of the voltage-stabilizing diode D201 and one end of the capacitor C203, and is electrically connected to the drain of the first MOS tube as an output end. The other end of the capacitor C203 is electrically connected to one end of the capacitor C208, and the other end of the capacitor C208, the anode of the voltage-stabilizing diode D201 and the other end of the thermistor RV200 are all connected to the external circuit as 24V-.

3. The vehicle controller power-on wake-up control circuit of a hydrogen fuel vehicle according to claim 1, characterized in that: The rear-end output unit includes a polar capacitor C201, a polar capacitor C202, a capacitor C204, a capacitor C210, a capacitor C211, an inductor L201, an inductor L205, an inductor L203 and a resistor R200, a resistor R201, and a resistor R202; The drain of the second MOS tube is electrically connected to the positive electrode of the polar capacitor C201, the positive electrode of the polar capacitor C202, one end of the resistor R200, one end of the capacitor C211, one end of the resistor R202 and the pin 2 of the inductor L203; the negative electrode of the polar capacitor C201, the negative electrode of the polar capacitor C202 and the pin 1 of the inductor L203 are all electrically connected to one end of the resistor R201 and connected to the external circuit as 24V- and 24V1-; the other end of the resistor R200 is electrically connected to one end of the capacitor C210; Pin 3 of the inductor L203 is electrically connected to one end of the inductor L201 and one end of the capacitor C204, and the other end of the inductor L201 is used as an output end to output +24V to an external circuit; Pin 4 of the inductor L203 is electrically connected to one end of the inductor L205 and the other end of the capacitor C204; The other end of the inductor L205 , the other end of the resistor R201 , the other end of the resistor R202 , the other end of the capacitor C210 , and the other end of the capacitor C211 are all grounded.

4. The vehicle controller power-on wake-up control circuit of a hydrogen fuel vehicle according to claim 1, characterized in that: The CPU unit includes a control chip U102 , and the model of the control chip U102 is SAK-TC234L-32F200N AC; a pin 115 of the control chip U102 outputs a power-off control signal IS_EN to the control signal input unit.

5. The vehicle controller power-on wake-up control circuit of a hydrogen fuel vehicle according to claim 4, characterized in that: The CPU unit also includes a resistor R103, a resistor R105, a resistor R106 and a capacitor C123, a capacitor C124, a capacitor C125, a capacitor C126, a capacitor C127, and a capacitor C128; The external power supply unit outputs VCC to pin 23, pin 69, pin 83, pin 126 of the control chip U102 and one end of the resistor R103, one end of the resistor R105, and one end of the resistor R106; The other end of the resistor R103 is electrically connected to the pin 97 of the control chip U102, and outputs a / PORST signal to the external circuit. The other end of the resistor R105 is electrically connected to the pin 98 of the control chip U102. The other end of the resistor R106 is electrically connected to the pin 96 of the control chip U102. Pin 10 of the control chip U102 is electrically connected to one end of capacitor C128; Pin 22 of the control chip U102 is electrically connected to one end of capacitor C123; Pin 70 of the control chip U102 is electrically connected to one end of capacitor C125; Pin 79 of the control chip U102 is electrically connected to one end of capacitor C126; Pin 99 of the control chip U102 is electrically connected to one end of capacitor C127; Capacitor C124 is electrically connected between pin 71 and pin 72 of the control chip U102; The pin 80 of the control chip U102 and the other end of the capacitor C123 , the other end of the capacitor C125 , the other end of the capacitor C126 , the other end of the capacitor C127 , and the other end of the capacitor C128 are all grounded.

6. The vehicle controller power-on wake-up control circuit of a hydrogen fuel vehicle according to claim 4, characterized in that: The CPU unit also includes a crystal oscillator B01 and capacitors C105 and C104; The external power supply unit outputs VCC to pin 94 of the control chip U102; Pin 81 of the control chip U102 is electrically connected to one end of capacitor C105 and pin 1 of crystal oscillator B01, pin 82 of the control chip U102 is electrically connected to one end of capacitor C104 and pin 4 of crystal oscillator B01, and pin 2, pin 4 of the crystal oscillator B01 and the other end of capacitor C104 and the other end of capacitor C105 are all grounded.

7. The vehicle controller power-on wake-up control circuit of a hydrogen fuel vehicle according to claim 1, characterized in that: The CPU unit also includes a resistor R108, a resistor R114, a resistor R115, a resistor R116, a resistor R118 and a resistor R225; The external power supply unit outputs VCC to one end of the resistor R108, the resistor R114, the resistor R115, the resistor R116, the resistor R118 and the resistor R225; The other end of the resistor R108 is electrically connected to pin 124 of the control chip U102, the other end of the resistor R1118 is electrically connected to pin 120 of the control chip U102, the other end of the resistor R114 is electrically connected to pin 121 of the control chip U102, the other end of the resistor R115 is electrically connected to pin 143 of the control chip U102, the other end of the resistor R116 is electrically connected to pin 144 of the control chip U102, the other end of the resistor R225 is electrically connected to pin 117 of the control chip U102, and outputs an IS_E15V signal to the external circuit.

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