CN114932874A - New-energy commercial vehicle power supply control circuit and working method thereof - Google Patents
New-energy commercial vehicle power supply control circuit and working method thereof Download PDFInfo
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- CN114932874A CN114932874A CN202210652151.XA CN202210652151A CN114932874A CN 114932874 A CN114932874 A CN 114932874A CN 202210652151 A CN202210652151 A CN 202210652151A CN 114932874 A CN114932874 A CN 114932874A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000004913 activation Effects 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/005—Electro-mechanical devices, e.g. switched
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to the field of automobile body electric control, and provides a whole automobile power supply control circuit of a new energy commercial vehicle and a working method thereof, wherein the whole automobile power supply control circuit comprises a storage battery and a mechanical power-off switch, and the negative electrode of the storage battery is connected with the negative electrode of a control relay through the mechanical power-off switch; the positive electrode of the storage battery is respectively connected with a fuse box power supply signal pin and a vehicle body controller power supply signal pin; a normal fire signal pin of the vehicle body controller is connected with the control relay; a negative signal pin of the vehicle body controller is connected with a normally open signal pin of the control relay; according to the invention, after the new-energy commercial vehicle is received, the mechanical power-off switch is not required to be turned off, people can be locked to walk directly, after the vehicle body controller receives a vehicle locking signal, the control relay is turned off after the time delay setting time, the electric quantity of the storage battery is not consumed except for the vehicle body controller, and the storage battery is prevented from being lack of power; the system has the characteristics of convenience in operation and convenience in service.
Description
Technical Field
The invention belongs to the technical field of automobile body electric control, and particularly relates to a whole automobile power supply control circuit of a new energy commercial automobile and a working method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
Along with the development of science and technology and the improvement of quality of life, new forms of energy commercial car has also walked gradually in the middle of people's life, gives people and has brought very big facility, nevertheless along with new forms of energy commercial car's configuration is higher and higher, and the electrical components of installation are also more and more, and under the condition that long-time stagnation or low pressure were opened, cause whole car under-voltage easily and make whole car unable normal start, bring certain inconvenience to people's trip.
At present, the attention degree of the passenger car industry to the power shortage of a vehicle storage battery is insufficient, most of the passenger car industry requires that a mechanical power-off switch is manually turned off when a passenger car is received every day, so that the problem cannot be fundamentally solved, namely, after a new energy commercial car is received, the mechanical power-off switch is forgotten to be turned off, and the whole car is easily subjected to undervoltage to enable the whole car to be incapable of being normally started under the condition of long-time stagnation or low-voltage opening.
Disclosure of Invention
In order to solve the problems, the invention provides a whole vehicle power supply control circuit of a new energy commercial vehicle and a working method thereof, the whole vehicle power supply control circuit can directly lock a vehicle and walk without closing a mechanical power-off switch after the new energy commercial vehicle is received, and when a vehicle body controller receives a vehicle locking signal, a control relay is switched off after a time delay is set, so that the whole vehicle does not consume the electric quantity of a storage battery except the vehicle body controller, and the storage battery is prevented from being lack of power; the system has the characteristics of convenience in operation and convenience in service.
According to some embodiments, the invention provides a new energy commercial vehicle power supply control circuit in a first scheme, which adopts the following technical scheme:
a whole-vehicle power supply control circuit of a new-energy commercial vehicle comprises a storage battery and a mechanical power-off switch, wherein the negative electrode of the storage battery is connected with the negative electrode of a control relay through the mechanical power-off switch; the positive electrode of the storage battery is respectively connected with a fuse box power supply signal pin and a vehicle body controller power supply signal pin;
a normal fire signal pin of the vehicle body controller is connected with the control relay; and a negative electrode signal pin of the automobile body controller is connected with a normally open signal pin of the control relay.
Further, the control relay is connected with a controlled signal pin of the negative electrode of the fuse box.
Further, the normally open signal pin of the control relay is connected with the negative signal pin of the vehicle body controller.
Furthermore, the negative signal pin of the automobile body controller is connected with the negative electrode of the storage battery through a mechanical power-off switch.
Furthermore, the control relay negative pole signal pin is connected with the negative pole of the storage battery through a mechanical power-off switch.
Furthermore, a charging signal pin of a charging gun of the vehicle body controller is connected with the charging socket.
Further, the automobile body controller is wirelessly connected with the remote control key.
According to some embodiments, a second aspect of the present invention provides a working method of a new energy commercial vehicle power supply control circuit, which adopts the following technical scheme:
the working method of the whole vehicle power supply control circuit of the new energy commercial vehicle comprises the following steps:
when the vehicle body controller receives a vehicle locking signal, the vehicle body controller outputs a vehicle body controller normal fire signal to the control relay through a vehicle body controller normal fire signal pin;
the relay is controlled to be switched off, so that the circuit of the whole vehicle is switched off, and the vehicle body controller enters a dormant state after delaying for a set time;
when the vehicle controller receives the unlocking signal, the vehicle body controller outputs a vehicle body controller normal fire signal to the control relay through a vehicle body controller normal fire signal pin;
and controlling the relay to be opened to enable the whole vehicle circuit to be electrified.
Further, still include:
when the vehicle body controller receives a charging input activation signal, starting charging;
the vehicle body controller receives a charging signal of the charging socket through a charging signal pin of the charging gun, and outputs a normal fire signal of the vehicle body controller to the control relay through a normal fire signal pin of the vehicle body controller; the relay is controlled to be closed, so that the whole vehicle circuit is electrified, and the vehicle enters a charging state.
Further, still include:
when the charging is finished, the charging signal disappears, the relay is controlled to be switched off,
the relay is controlled to be switched off, so that the circuit of the whole vehicle is switched off, and the vehicle body controller enters a dormant state after delaying for a set time.
Compared with the prior art, the invention has the beneficial effects that:
after the new-energy commercial vehicle is received, the mechanical power-off switch is not required to be turned off, the vehicle can be locked to walk, when the vehicle body controller receives a vehicle locking signal, the normal fire relay is disconnected in a time delay of T min, the electric quantity of the storage battery is not consumed except for the vehicle body controller, and the storage battery is prevented from being lack of power; the system has the characteristics of convenience in operation and convenience in service.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a circuit diagram of a power supply control circuit of a commercial vehicle with new energy according to an embodiment of the present invention;
in the figure: a storage battery 1; a power supply signal pin 2 of the vehicle body controller; fuse box power signal pin 3; a fuse box 4; a vehicle body controller normal fire signal pin 5; a fuse box cathode controlled signal pin 6; a control relay 7; a normally open signal pin 8 of the control relay; a signal pin 9 for controlling the negative pole of the relay; a mechanical power-off switch 10; a vehicle body controller 11; a charging gun charging signal pin 12; a charging socket 13; the body controller negative signal pin 14.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Example one
As shown in fig. 1, the present embodiment provides a whole vehicle power supply control circuit of a new energy commercial vehicle, including a storage battery 1, a vehicle body controller power signal pin 2, a fuse box power signal pin 3, a fuse box 4, a vehicle body controller normal fire signal pin 5, a fuse box negative controlled signal pin 6, a control relay 7, a control relay normally open signal pin 8, a control relay negative signal pin 9, a mechanical power off switch 10, a vehicle body controller 11, a charging gun charging signal pin 12, a charging socket 13, and a vehicle body controller negative signal pin 14.
In a specific embodiment, the negative pole of the storage battery 1 is connected with the negative pole of the control relay 7 through a mechanical power-off switch 10; the positive electrode of the storage battery 1 is respectively connected with a fuse box power supply signal pin 3 and a vehicle body controller power supply signal pin 2;
a normal fire signal pin 5 of the vehicle body controller is connected with a control relay 7; and a negative electrode signal pin 14 of the automobile body controller is connected with a normally open signal pin 8 of the control relay.
After the mechanical power-off switch 10 is closed, the vehicle body controller 11 acquires a charging input activation signal through the charging socket 13, the vehicle body controller normal fire signal pin 5 enables the control relay coil to work, the relay normally open contact is closed, the normally closed contact is disconnected, the vehicle body controller negative electrode signal pin 14 is connected with the control relay normally open signal pin 8, and the vehicle body controller negative electrode signal pin is connected with the negative electrode of the storage battery 1 through the mechanical power-off switch 10.
For the charging socket 13, when the charging gun is plugged in, a charging signal is provided on the charging gun, and the charging signal passes through the charging socket 13 and is connected to the vehicle body controller 7 through a low-voltage wire harness.
Specifically, the control relay 7 is connected with a controlled signal pin 6 of the negative electrode of the fuse box; the control relay normally open signal pin 8 is connected with a vehicle body controller negative electrode signal pin 14; the negative signal pin 14 of the vehicle body controller is connected with the negative electrode of the storage battery 1 through the mechanical power-off switch 10; the control relay negative electrode signal pin 9 is connected with the negative electrode of the storage battery 1 through a mechanical power-off switch 10; and a charging gun charging signal pin 12 of the vehicle body controller is connected with a charging socket 13.
And a charging gun charging signal pin 12 of the vehicle body controller is connected with a charging socket 13.
The vehicle body controller 11 is wirelessly connected with the remote control key. The vehicle body controller has a wireless communication function, and when an unlocking or locking button of the remote control key is pressed, the vehicle body controller executes an unlocking or locking command.
In this embodiment, the vehicle body controller has functions of locking, unlocking and sleeping, when the vehicle body controller receives a vehicle unlocking signal, a normal fire signal is output to close the control relay, the normally open contact of the relay is closed, and the normally closed contact is opened, so that a circuit of the whole vehicle is electrified; when a vehicle locking signal is received, the control relay is switched off, the normally closed contact of the relay is switched off, the normally open contact is switched on, the circuit of the whole vehicle is switched off, the vehicle body controller delays for T min to enter a dormant state, and no other electrical equipment except the vehicle body controller consumes the electric quantity of the storage battery.
In the embodiment, the vehicle body controller has a charging input activation signal, when the new energy vehicle is charged, the vehicle body controller receives a charging signal A + of the charging socket and outputs a normal fire signal for closing the control relay, so that the whole vehicle circuit is electrified, and the new energy vehicle enters a charging state; when the energy vehicle is fully charged, the charging signal A + disappears, the control relay is switched off, the normally closed contact of the relay is switched off, the normally open contact is switched on, the circuit of the whole vehicle is switched off, and the vehicle body controller is delayed for T min to enter a dormant state.
In the embodiment, the negative electrode of the vehicle body controller is connected to the negative electrode of the storage battery through the mechanical power-off switch and is not controlled by the control relay, and the control relay can act through locking, unlocking and charging signals under the condition of not switching on the mechanical power-off switch so as to control the on-off of a circuit of an electric component of the whole vehicle;
a mechanical power-off switch is arranged between the negative electrode of the control relay and the negative electrode of the vehicle body controller and the storage battery, and when the vehicle is not started for a long time (more than 1 month), the mechanical power-off switch can be manually switched off to prevent the storage battery from being lack of power;
in this example, the automobile body controller has the function of outputting the normal fire signal of the automobile body controller at the moment of electrifying, and after the mechanical power-off switch is manually closed, the automobile body controller is electrified, and the normal fire signal is output by the stand-by horse at the moment and is used for closing the control relay, so that the circuit of the whole automobile is electrified.
In the embodiment, the intelligent power-off control is carried out by using the whole vehicle power supply control method of the new energy commercial vehicle, after the commercial vehicle is received, a driver presses a vehicle locking button, after the vehicle body controller receives a vehicle locking signal, the time is delayed for T min, the vehicle body controller does not output a normal fire signal any more, the control relay is disconnected, a negative electrode signal of the vehicle body controller is disconnected with the normal open signal of the control relay, the fuse box is powered off, and the vehicle body controller enters a dormant state; when awakening up, the automobile body controller outputs a normal fire signal when receiving an unlocking signal or a charging signal of the charging gun, the control relay is closed, a negative electrode signal of the automobile body controller is normally opened by the control relay, and the whole automobile is electrified.
Example two
The embodiment provides a working method of a whole vehicle power supply control circuit of a new energy commercial vehicle, which comprises the following steps:
when the vehicle body controller receives a vehicle locking signal, the vehicle body controller outputs a vehicle body controller normal fire signal to the control relay through a vehicle body controller normal fire signal pin;
the relay is controlled to be switched off, so that the circuit of the whole vehicle is switched off, and the vehicle body controller enters a dormant state after delaying for a set time;
when the vehicle controller receives an unlocking signal, the vehicle body controller outputs a vehicle body controller normal fire signal to the control relay through the vehicle body controller normal fire signal pin;
and controlling the relay to be opened to enable the whole vehicle circuit to be electrified.
Specifically, the working method further comprises:
when the vehicle body controller receives a charging input activation signal, starting charging;
the vehicle body controller receives a charging signal of the charging socket through a charging signal pin of the charging gun, and outputs a normal fire signal of the vehicle body controller to the control relay through a normal fire signal pin of the vehicle body controller; the relay is controlled to be closed, so that the whole vehicle circuit is electrified, and the vehicle enters a charging state.
Specifically, the working method further comprises:
when the charging is finished, the charging signal disappears, the relay is controlled to be switched off,
the relay is controlled to be disconnected, so that the circuit of the whole vehicle is disconnected, and the vehicle body controller enters a dormant state after delaying for a set time.
In the foregoing embodiments, the descriptions of the embodiments have different emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The whole vehicle power supply control circuit of the commercial vehicle with the new energy is characterized by comprising a storage battery and a mechanical power-off switch, wherein the negative electrode of the storage battery is connected with the negative electrode of a control relay through the mechanical power-off switch; the positive electrode of the storage battery is respectively connected with a fuse box power supply signal pin and a vehicle body controller power supply signal pin;
a normal fire signal pin of the vehicle body controller is connected with a control relay; and a negative electrode signal pin of the automobile body controller is connected with a normally open signal pin of the control relay.
2. The vehicle power supply control circuit of the new energy commercial vehicle as claimed in claim 1, wherein the control relay is connected with a fuse box negative controlled signal pin.
3. The finished automobile power supply control circuit of the new-energy commercial automobile as claimed in claim 1, wherein the normally open signal pin of the control relay is connected with the negative signal pin of the automobile body controller.
4. The finished vehicle power supply control circuit of the new energy commercial vehicle as claimed in claim 3, wherein the negative signal pin of the vehicle body controller is connected with the negative electrode of the storage battery through a mechanical power-off switch.
5. The vehicle power supply control circuit of the new energy commercial vehicle as claimed in claim 1, wherein the negative signal pin of the control relay is connected to the negative terminal of the storage battery through a mechanical power-off switch.
6. The vehicle power supply control circuit of the new energy commercial vehicle as claimed in claim 1, wherein the charging signal pin of the charging gun of the vehicle body controller is connected to the charging socket.
7. The whole vehicle power supply control circuit of the new energy commercial vehicle as claimed in claim 1, wherein the vehicle body controller is wirelessly connected with the remote control key.
8. The working method of the whole vehicle power supply control circuit of the new energy commercial vehicle as claimed in any one of claims 1-7, characterized by comprising:
when the vehicle body controller receives a vehicle locking signal, the vehicle body controller outputs a vehicle body controller normal fire signal to the control relay through a vehicle body controller normal fire signal pin;
the relay is controlled to be switched off, so that the circuit of the whole vehicle is switched off, and the vehicle body controller enters a dormant state after delaying for a set time;
when the vehicle controller receives the unlocking signal, the vehicle body controller outputs a vehicle body controller normal fire signal to the control relay through a vehicle body controller normal fire signal pin;
and controlling the relay to be opened to enable the whole vehicle circuit to be electrified.
9. The working method of the whole vehicle power supply control circuit of the new energy commercial vehicle as claimed in claim 8, further comprising:
when the vehicle body controller receives a charging input activation signal, starting charging;
the vehicle body controller receives a charging signal of the charging socket through a charging signal pin of the charging gun, and outputs a normal fire signal of the vehicle body controller to the control relay through a normal fire signal pin of the vehicle body controller; the relay is controlled to be closed, so that the whole vehicle circuit is electrified, and the vehicle enters a charging state.
10. The working method of the whole vehicle power supply control circuit of the new energy commercial vehicle as claimed in claim 9, further comprising:
when the charging is finished, the charging signal disappears, the relay is controlled to be switched off,
the relay is controlled to be switched off, so that the circuit of the whole vehicle is switched off, and the vehicle body controller enters a dormant state after delaying for a set time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210652151.XA CN114932874A (en) | 2022-06-10 | 2022-06-10 | New-energy commercial vehicle power supply control circuit and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210652151.XA CN114932874A (en) | 2022-06-10 | 2022-06-10 | New-energy commercial vehicle power supply control circuit and working method thereof |
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| CN112558593A (en) * | 2020-12-25 | 2021-03-26 | 中通客车控股股份有限公司 | Intelligent control circuit and control method for mechanical power-off switch of passenger car |
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| JPH1070844A (en) * | 1996-08-28 | 1998-03-10 | Yazaki Corp | Battery power supplying method for vehicle and battery power supply for vehicle |
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Application publication date: 20220823 |
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