CN115257384A - Explosion-proof intelligent energy management control box and circuit control method thereof - Google Patents

Explosion-proof intelligent energy management control box and circuit control method thereof Download PDF

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Publication number
CN115257384A
CN115257384A CN202211109238.9A CN202211109238A CN115257384A CN 115257384 A CN115257384 A CN 115257384A CN 202211109238 A CN202211109238 A CN 202211109238A CN 115257384 A CN115257384 A CN 115257384A
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CN
China
Prior art keywords
control
output
battery box
box
energy management
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Pending
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CN202211109238.9A
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Chinese (zh)
Inventor
王有锁
罗涛涛
彭庆根
潘家清
胡明康
王枭雄
周娟
王连明
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Anhui Joyo Electric Co ltd
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Anhui Joyo Electric Co ltd
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Application filed by Anhui Joyo Electric Co ltd filed Critical Anhui Joyo Electric Co ltd
Priority to CN202211109238.9A priority Critical patent/CN115257384A/en
Publication of CN115257384A publication Critical patent/CN115257384A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Abstract

The invention discloses an explosion-proof intelligent energy management control box and a circuit control method thereof, relating to the technical field of energy distribution and control, wherein the control box comprises an energy management controller, a low-voltage power supply, an insulation detector, a motor controller, a contactor, an output pre-charging unit, a low-voltage direct current output unit, an external input port, an output port, a power supply and a communication wire; the output pre-charging unit comprises a pre-charging resistor and a pre-charging relay; the low-voltage direct current output unit comprises a relay; the external input port comprises a battery box total positive, a battery box total negative, a battery box 24V +, a battery box 24V-, battery box communication, a battery box communication and a vehicle feedback 24V +; the output port comprises a power total positive, a power total negative, a whole vehicle 24V +, a whole vehicle 24V-and CAN0 communication port, a motor controller alternating current output port and a CAN1 communication port. The invention promotes the application of a new energy technology to an explosion-proof electric vehicle, and particularly provides a method for combining signals of a plurality of battery boxes and intelligently distributing the energy demand of the whole vehicle.

Description

Explosion-proof intelligent energy management control box and circuit control method thereof
Technical Field
The invention belongs to the technical field of energy distribution and control, and particularly relates to an explosion-proof intelligent energy management control box and a circuit control method thereof.
Background
With the development and application popularization of new energy technologies, explosion-proof vehicles are rapidly advancing electric and even intelligent technical routes. In the explosion-proof battery system, the voltage and the capacity of a single battery box are limited within a certain range according to the requirements of relevant explosion-proof specifications. In order to increase the endurance mileage, a user often uses a plurality of battery boxes in combination. Meanwhile, the requirement and control on energy are more complicated on the route developed towards the intelligent direction of the explosion-proof vehicle. Therefore, in order to provide a combined signal for a plurality of battery boxes, jointly provide power for an explosion-proof vehicle and provide complex energy requirements for the explosion-proof vehicle, the traditional explosion-proof power distribution control box cannot meet the requirements, and an energy management control box which can provide a plurality of battery box combined signals and intelligently distribute the energy requirements of the whole vehicle is required to be designed, so that the application of a new energy technology to an explosion-proof electric vehicle is necessary and urgent.
Disclosure of Invention
In view of the problems in the prior art, an object of the present invention is to provide an explosion-proof intelligent energy management control box, comprising: the system comprises an energy management controller ECU, a low-voltage power supply DC/DC, an insulation detector IMD, a motor controller MCU, a contactor KM, an output pre-charging unit, a low-voltage direct current output unit, an external input port, an output port, a power supply and a communication lead; the output pre-charging unit comprises a pre-charging resistor R and a pre-charging relay K1; the low-voltage direct-current output unit comprises relays K4-K12; the external input port comprises a battery box total positive, a battery box total negative, a battery box 24V +, a battery box 24V-, a battery box communication CAN0, a battery box communication CAN1 and a finished automobile feedback 24V +; the output ports comprise a power total positive port, a power total negative port, a whole vehicle 24V + port, a whole vehicle 24V-port, a CAN0 communication port, a motor controller alternating current output port, a CAN1 communication port and relay K4-K12 output ports;
when the battery box is always connected to the control box, the battery box is connected with the input end of an output contactor KM, the output end of the contactor KM is connected with the power main positive output port of the control box, an output pre-charging unit is connected between the input end and the output end of the contactor KM, and a pre-charging relay K1 and the control end of the output contactor KM are connected with an energy management controller ECU; the front end of the output contactor KM is respectively connected with a high-voltage direct current input positive end DC + of a low-voltage power supply DC/DC and a high-voltage direct current input positive end DC + of a motor controller MCU, and the front end and the rear end of the output contactor KM are respectively connected with positive end detection signals BY1 and BY2 leads of an insulation detector IMD;
when the total negative of the battery box is connected to the control box, the total negative of the battery box is directly connected to a power total negative output port of the control box, and the interior of the control box is respectively connected with a negative detection signal lead BY of the insulation detector IMD, a high-voltage direct current input negative terminal DC of the low-voltage power supply DC/DC and a high-voltage direct current input negative terminal DC of the motor controller MCU;
when the battery box 24V + is connected to the control box, the battery box is respectively connected with a diode D1 and a normally closed relay K2 in series and then is connected with the whole vehicle 24V + of the output port, the 24V1+ output by the low-voltage direct-current power supply DC/DC is connected with the output end of the normally closed relay K2 through the diode D2, and the wake-up signal EN of the low-voltage direct-current power supply DC/DC is connected with the 24V-of the low-voltage direct-current power supply DC/DC through a switch K3;
when the battery box 24V-is connected to the control box, the battery box is connected with 24V-of all internal equipment and is connected with the whole vehicle 24V-of the output port of the control box; when the whole vehicle feedback 24V + is connected to the control box, the whole vehicle feedback 24V + is respectively connected with the input positive end 24V + of the energy management controller ECU and the insulation detector IMD; and after the battery box communication bus CAN is connected into the control box, the battery box communication bus CAN is respectively connected with the insulation detector IMD, the motor controller MCU, the energy management controller ECU and the CAN communication ports of the low-voltage direct-current power supply DCDC, and is connected with the output port CAN of the control box.
Further, the relay K4 is installed on an instrument panel of the explosion-proof vehicle cab through a lead.
Further, the corresponding functions of the relays K4-K12 are dipped headlight control, high beam control, backing control, braking control, right turn control, left turn control, wiper motor control, fan heater control, reserved control and normal power respectively.
Furthermore, the 24V + main output of the low-voltage direct-current power supply DC/DC is respectively connected with the dipped headlight control, the high beam control, the backing control, the braking control, the right turn control, the left turn control, the wiper motor control, the fan heater control and the reserved control of the output port of the control box through relays K4-K12, and is directly connected with the normal-current output port.
Based on the above, another object of the present invention is to provide a circuit control method for an explosion-proof intelligent energy management control box, which includes the following steps:
when a 24V system of a battery box connected with the input end of the control box is started, the 24V + of the battery box provides a power-on self-test low-voltage power supply for the whole vehicle through a diode D1 and a normally-closed relay K2, after the self-test of the whole vehicle is passed, the 24V + is fed back to the control box, an energy management controller ECU and an insulation detector IMD are powered on and perform self-test, and a power bus in the control box is subjected to insulation detection; reporting interactive information of successful self-checking to the whole vehicle through a CAN bus after the detection is passed; the whole vehicle feeds back a voltage-up permitting instruction to the energy management controller ECU through the CAN bus according to the information, and the energy management controller ECU sends a high voltage-up instruction to an external battery box system through the CAN bus;
when the battery box connected with the input end of the control box is always powered on, the low-voltage direct-current power supply DC/DC and the motor controller MCU are powered on and are respectively in a standby state; when a vehicle end starts a wake-up switch K3, a low-voltage direct-current power supply DC/DC starts to output, wherein one path of the DC/DC is supplied to the whole vehicle from the rear end of a normally closed relay K2 through a diode D2, and at the moment, an energy management controller ECU (electronic control unit) disconnects the normally closed relay K2, so that the whole vehicle does not continuously use the low-voltage power supply of an external battery box, and the influence of continuously using the low-voltage power supply on the SOC of a battery box system is avoided; meanwhile, after the normally closed relay K2 is disconnected by the energy management controller ECU, the pre-charging relay K1 is closed, the output pre-charging unit is started, after pre-charging is finished, the power main positive contactor KM is closed, then the pre-charging relay K1 is disconnected, and control output of power energy is achieved;
when the whole vehicle respectively requests a dipped headlight control signal, a high beam control signal, a backing control signal, a brake control signal, a right turn control signal, a left turn control signal, a wiper motor control signal and a fan heater control signal through a CAN bus, an energy management controller ECU correspondingly closes or opens K4-K11 so as to realize the dipped headlight control signal, the high beam control signal, the backing control signal, the brake control signal, the right turn control signal, the left turn control signal, the wiper motor control signal and the fan heater control signal of the explosion-proof electric vehicle;
when the whole vehicle requests the output of the MCU through the CAN bus, the ECU correspondingly starts the output of the MCU through the CAN bus so as to be used by the whole vehicle, and adjusts the output power of the MCU in real time according to the pedal signal transmitted by the CAN bus of the whole vehicle.
Furthermore, the low-voltage power supply DC/DC outputs one path of normal power to the whole vehicle for internal distribution and use of the whole vehicle, and provides another path of control reserved power.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a circuit diagram of a control box according to embodiment 1 of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Example 1
This embodiment 1 provides an explosion-proof intelligent energy management control box, as shown in fig. 1, specifically includes the following module components: the device comprises an energy management controller ECU, a low-voltage power supply DC/DC, an insulation detector IMD, a motor controller MCU, a contactor KM, an output pre-charging unit, a low-voltage DC output unit, an external input port, an output port, a power supply and a communication lead.
In this embodiment, the output pre-charging unit is composed of a pre-charging resistor R and a pre-charging relay K1; the low-voltage direct-current output unit consists of relays K4-K12, and the corresponding functions of the low-voltage direct-current output unit are dipped headlight control, high beam headlight control, backing control, braking control, right-turn control, left-turn control, wiper motor control, fan heater control, reservation control and normal power supply; the external input port consists of a battery box total positive terminal, a battery box total negative terminal, a battery box 24V + terminal, a battery box 24V-terminal, a battery box communication CAN0 terminal, a battery box communication CAN1 terminal and a vehicle feedback 24V + terminal; the output ports comprise a power total positive port, a power total negative port, a whole vehicle 24V + port, a whole vehicle 24V-port, a CAN0 communication port, motor controller alternating current output ports (A phase, B phase and C phase), a CAN1 communication port, K4-K12 output ports and the like.
In this embodiment, after the battery box is always connected to the control box of embodiment 1, the battery box is connected to the input terminal of the output contactor KM, the output terminal of the contactor KM is connected to the power output port of the control box, an output pre-charging unit is connected between the input terminal and the output terminal of the contactor KM, and the pre-charging relay K1 and the control terminal of the output contactor KM are connected to the energy management controller ECU. The front end of the output contactor KM is respectively connected with a high-voltage direct current input positive end DC + of a low-voltage power supply DC/DC and a high-voltage direct current input positive end DC + of the motor controller MCU, and the front end and the rear end of the output contactor KM are respectively connected with positive end detection signals BY1 and BY2 of the insulation detector IMD through leads.
When the total negative of the battery box is connected to the control box of embodiment 1, the total negative of the battery box is directly connected to the power total negative output port of the control box, and the interior of the control box is respectively connected with the negative detection signal lead BY of the insulation detector IMD, the high-voltage direct current input negative terminal DC of the low-voltage power supply DC/DC, and the high-voltage direct current input negative terminal DC of the motor controller MCU.
After the battery box 24V + is connected to the control box of this embodiment 1, it is connected in series with the diode D1 and the normally closed relay K2, respectively, and then is connected to the output port of the entire vehicle 24V +, wherein the 24V1+ output by the low voltage DC power DC/DC is connected to the output end of the normally closed relay K2 through the diode D2, and the wake-up signal EN of the low voltage DC power DC/DC is connected to the output end of the normally closed relay K2 through the switch K3. The switch K4 is actually arranged on an instrument panel of the explosion-proof vehicle cab through a lead wire and is used for starting use.
When the battery box 24V-is connected to the control box of the embodiment 1, the battery box is connected with 24V-of all the internal devices and is connected with the whole vehicle 24V-of the output port of the control box.
When the feedback 24V + of the whole vehicle is connected to the control box of this embodiment 1, the feedback is connected to the input positive terminals 24V + of the energy management controller ECU and the insulation detector IMD, respectively, so that the power supply of the energy management controller ECU and the insulation detector IMD is controlled by the whole vehicle.
After the battery box communication bus CAN is connected to the control box of this embodiment 1, the battery box communication bus CAN is respectively connected to the insulation detector IMD, the motor controller MCU, the energy management controller ECU, and the CAN communication ports of the low-voltage dc power supply DCDC, and is connected to the output port CAN of the control box.
In this embodiment, the 24V + main output of the low-voltage DC power supply DC/DC is connected to the output port of the control box via the relays K4 to K12, respectively, such as dipped headlight control, high beam control, reversing control, braking control, right turn control, left turn control, wiper motor control, fan heater control, and reserved control, and is directly connected to the normal power output port, so as to provide a function control power supply and a normal power supply for the entire vehicle.
Example 2
Based on embodiment 1, this embodiment 2 provides a circuit control method for an explosion-proof intelligent energy management control box, which specifically includes the following steps:
when the 24V system of battery box that the control box input is connected starts, 24V + of battery box provide the power-on self-checking low voltage power supply for whole car through diode D1 and normally closed relay K2, pass the back when whole car self-checking, feed back 24V + to the control box, energy management controller ECU and insulating detector IMD receive the electricity and the self-checking to power bus to the control box inside carries out insulating detection. And reporting the interactive information of successful self-detection to the whole vehicle through the CAN bus after the detection is passed. The whole vehicle feeds back a voltage-up permitting instruction to the energy management controller ECU through the CAN bus according to the information, and the energy management controller ECU sends a high voltage-up instruction to an external battery box system through the CAN bus.
And when the battery box connected with the input end of the control box is always powered on, the low-voltage direct-current power supply DC/DC and the motor controller MCU are powered on and are respectively in a standby state. When the vehicle end starts the wake-up switch K3, the low-voltage direct-current power supply DC/DC starts to output, wherein one path of the DC/DC is supplied to the whole vehicle from the rear end of the normally closed relay K2 through the diode D2, and at the moment, the normally closed relay K2 is disconnected by the energy management controller ECU, so that the whole vehicle does not continue to use the low-voltage power supply of the external battery box, and the influence of continuously using the low-voltage power supply on the SOC of the battery box system is avoided. Meanwhile, after the energy management controller ECU opens the normally closed relay K2, the pre-charging relay K1 is closed, the output pre-charging unit is started, after the pre-charging is finished, the power main positive contactor KM is closed, then the pre-charging relay K1 is opened, and the control output of power energy is realized.
When the whole vehicle respectively requests the signals of dipped headlight control, high beam control, backing control, braking control, right turn control, left turn control, wiper motor control, fan heater control and the like through a CAN bus, the ECU correspondingly closes or opens K4-K11 to realize the whole vehicle control functions of the explosion-proof electric vehicle, such as dipped headlight control, high beam control, backing control, braking control, right turn control, left turn control, wiper motor control, fan heater control and the like. When the whole vehicle requests the output of the MCU through the CAN bus, the ECU correspondingly starts the output of the MCU through the CAN bus so as to be used by the whole vehicle, and adjusts the output power of the MCU in real time according to the pedal signal transmitted by the CAN bus of the whole vehicle.
In the embodiment, the low-voltage power supply DC/DC outputs one path of normal power to the whole vehicle for distribution and use in the whole vehicle; in addition, a way of controlling the reserved power supply is provided for other purposes.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an explosion-proof intelligent energy management control box which characterized in that contains:
the system comprises an energy management controller ECU, a low-voltage power supply DC/DC, an insulation detector IMD, a motor controller MCU, a contactor KM, an output pre-charging unit, a low-voltage DC output unit, an external input port, an output port, a power supply and a communication lead; the output pre-charging unit comprises a pre-charging resistor R and a pre-charging relay K1; the low-voltage direct-current output unit comprises relays K4-K12; the external input port comprises a battery box total positive, a battery box total negative, a battery box 24V +, a battery box 24V-, a battery box communication CAN0, a battery box communication CAN1 and a finished automobile feedback 24V +; the output ports comprise a power total positive port, a power total negative port, a whole vehicle 24V + port, a whole vehicle 24V-port, a CAN0 communication port, a motor controller alternating current output port, a CAN1 communication port and relay K4-K12 output ports.
2. The explosion-proof intelligent energy management control box according to claim 1, wherein when the battery box is always connected to the control box, the battery box is connected to an input end of an output contactor KM, an output end of the contactor KM is connected to a power main positive output port of the control box, an output pre-charging unit is connected between the input end and the output end of the contactor KM, and a pre-charging relay K1 and a control end of the output contactor KM are connected to the energy management controller ECU; the front end of the output contactor KM is respectively connected with a high-voltage direct current input positive end DC + of a low-voltage power supply DC/DC and a high-voltage direct current input positive end DC + of the motor controller MCU, and the front end and the rear end of the output contactor KM are respectively connected with positive end detection signals BY1 and BY2 of the insulation detector IMD through leads.
3. The explosion-proof intelligent energy management control box of claim 1, wherein after the battery box is connected to the control box, the battery box is directly connected to the power main negative output port of the control box, and is connected to the negative detection signal lead BY of the negative terminal of the insulation detector IMD, the negative high voltage direct current input terminal DC of the low voltage power supply DC/DC, and the negative high voltage direct current input terminal DC of the motor controller MCU inside the control box.
4. The explosion-proof intelligent energy management control box according to claim 1, characterized in that after the battery box 24V + is connected to the control box, it is connected in series with diode D1, normally closed relay K2, then with the whole 24V + of output port, 24V1+ of low voltage DC power supply DC/DC output is connected with the output of normally closed relay K2 through diode D2, the wake-up signal EN of low voltage DC power supply DC/DC is connected with its 24V-through switch K3.
5. The explosion-proof intelligent energy management control box according to claim 1, wherein after the battery box 24V-is connected to the control box, the battery box is connected with 24V-of all internal devices and is connected with the whole vehicle 24V-at the output port of the control box; when the whole vehicle feedback 24V + is connected to the control box, the whole vehicle feedback 24V + is respectively connected with the input positive end 24V + of the energy management controller ECU and the insulation detector IMD; and after the battery box communication bus CAN is connected into the control box, the battery box communication bus CAN is respectively connected with the insulation detector IMD, the motor controller MCU, the energy management controller ECU and the CAN communication ports of the low-voltage direct-current power supply DCDC, and is connected with the output port CAN of the control box.
6. The explosion-proof intelligent energy management control box of claim 1, wherein the relay K4 is installed on the instrument panel of the explosion-proof vehicle cab through a lead wire.
7. The explosion-proof intelligent energy management control box according to claim 1, wherein the corresponding functions of the relays K4-K12 are dipped headlight control, high beam control, backing control, brake control, right turn control, left turn control, wiper motor control, fan heater control, reservation control and normal power respectively.
8. The explosion-proof intelligent energy management control box according to claim 1, wherein the 24V + main output of the low-voltage direct current power supply DC/DC is connected with the output port of the control box through relays K4-K12 for dipped headlight control, high beam control, reversing control, braking control, right turn control, left turn control, wiper motor control, fan heater control, and reserved control, and is directly connected with the output port of the normal power supply.
9. A circuit control method of a control box according to claim 1, comprising the steps of:
when a battery box 24V system connected with the input end of the control box is started, the battery box 24V + provides a power-on self-test low-voltage power supply for the whole vehicle through a diode D1 and a normally closed relay K2, after the whole vehicle passes the self-test, the battery box 24V + is fed back to the control box, an energy management controller ECU and an insulation detector IMD are powered on and perform self-test, and a power bus in the control box is subjected to insulation detection; reporting interactive information of successful self-checking to the whole vehicle through a CAN bus after the detection is passed; the whole vehicle feeds back a voltage-up permitting instruction to the energy management controller ECU through the CAN bus according to the information, and the energy management controller ECU sends a high voltage-up instruction to an external battery box system through the CAN bus;
when the battery box assembly connected with the input end of the control box is powered on, the low-voltage direct-current power supply DC/DC and the motor controller MCU are powered on and are respectively in a standby state; when a vehicle end starts a wake-up switch K3, a low-voltage direct-current power supply DC/DC starts to output, wherein one path of the DC/DC is supplied to the whole vehicle from the rear end of a normally closed relay K2 through a diode D2, and at the moment, an energy management controller ECU (electronic control unit) disconnects the normally closed relay K2, so that the whole vehicle does not continuously use the low-voltage power supply of an external battery box, and the influence of continuously using the low-voltage power supply on the SOC of a battery box system is avoided; meanwhile, after the energy management controller ECU opens the normally closed relay K2, the pre-charging relay K1 is closed, the output pre-charging unit is started, after the pre-charging is finished, the power main positive contactor KM is closed, and then the pre-charging relay K1 is opened, so that the control output of power energy is realized;
when the whole vehicle respectively requests a dipped headlight control signal, a high beam control signal, a backing control signal, a brake control signal, a right turn control signal, a left turn control signal, a wiper motor control signal and a fan heater control signal through a CAN bus, an energy management controller ECU correspondingly closes or opens K4-K11 so as to realize the dipped headlight control signal, the high beam control signal, the backing control signal, the brake control signal, the right turn control signal, the left turn control signal, the wiper motor control signal and the fan heater control signal of the explosion-proof electric vehicle;
when the whole vehicle requests the output of the MCU through the CAN bus, the ECU correspondingly starts the output of the MCU through the CAN bus so as to be used by the whole vehicle, and adjusts the output power of the MCU in real time according to the pedal signal transmitted by the CAN bus of the whole vehicle.
10. The circuit control method according to claim 9, wherein the low-voltage power supply DC/DC outputs a normal power to the entire vehicle for distribution inside the entire vehicle, and further provides a control reserved power.
CN202211109238.9A 2022-09-13 2022-09-13 Explosion-proof intelligent energy management control box and circuit control method thereof Pending CN115257384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211109238.9A CN115257384A (en) 2022-09-13 2022-09-13 Explosion-proof intelligent energy management control box and circuit control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211109238.9A CN115257384A (en) 2022-09-13 2022-09-13 Explosion-proof intelligent energy management control box and circuit control method thereof

Publications (1)

Publication Number Publication Date
CN115257384A true CN115257384A (en) 2022-11-01

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CN202211109238.9A Pending CN115257384A (en) 2022-09-13 2022-09-13 Explosion-proof intelligent energy management control box and circuit control method thereof

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