CN211493676U - Vehicle unblock control circuit, system and vehicle - Google Patents

Vehicle unblock control circuit, system and vehicle Download PDF

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Publication number
CN211493676U
CN211493676U CN201922119538.5U CN201922119538U CN211493676U CN 211493676 U CN211493676 U CN 211493676U CN 201922119538 U CN201922119538 U CN 201922119538U CN 211493676 U CN211493676 U CN 211493676U
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China
Prior art keywords
vehicle
control circuit
lock controller
module
current
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CN201922119538.5U
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杜晓文
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BYD Co Ltd
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BYD Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides a vehicle unblock control circuit, system and vehicle, vehicle unblock control circuit includes current detection sensor and low-voltage battery manager, the electric quantity that low-voltage battery manager detected the battery through current detection sensor is less than the default and when surpassing the default time, the unblock of control flap motor that charges, make the user charge to electric automobile through the mouth that charges when whole car does not have the electricity, and then open the lock, the problem that can't charge and can't open the lock to electric automobile through the flap that charges that closes when having avoided whole car to do not have the electricity.

Description

Vehicle unblock control circuit, system and vehicle
Technical Field
The utility model relates to a vehicle technical field, in particular to vehicle unblock control circuit, system and vehicle.
Background
Among the prior art, electric automobile charges the mouth and mainly lies in preceding grid LOGO position, and electric automobile charges and sets up the flap that charges on mouthful, and the electronic flap that charges opens and the locking through motor control, when the vehicle was placed for a long time when not having the electricity or when vehicle battery broke down, on the vehicle of having cancelled the mouth lock core that charges, the flap that charges can't be opened manually, leads to unable electric automobile to charge and open the lock.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vehicle unblock control circuit, system and vehicle can realize opening the flap that charges when the vehicle does not have the electricity.
The embodiment of the utility model provides a first aspect provides a vehicle unblock control circuit, vehicle unblock control circuit includes:
the current detection sensor is connected with the storage battery and used for detecting the electric quantity of the storage battery;
and the low-voltage battery manager is respectively connected with the current detection sensor and the charging opening cover motor and is used for controlling the unlocking of the charging opening cover motor when the electric quantity of the storage battery is judged to be lower than a preset value and exceeds preset time.
Further, the vehicle unlock control circuit further includes:
the lock controller is connected with the lock actuator and is used for controlling the lock actuator to lock or unlock when receiving a locking signal or an unlocking signal;
and the wireless charging module is connected with the lock controller and is used for matching with external charging equipment to generate induction current and outputting the current to the lock controller when the electric quantity of the storage battery is lower than a preset value.
Further, the wireless charging module is an NFC module, the NFC module is connected with the car lock controller, and when the external charging equipment is detected within a preset distance range, the NFC module and the external charging equipment perform electromagnetic induction to output induced current to the car lock controller.
Further, the external charging device is a mobile terminal or an NFC card.
Further, the wireless charging module comprises a multi-turn coil and a current amplifying circuit, and the multi-turn coil, the current amplifying circuit and the lock controller form a closed loop.
Furthermore, the wireless charging module is a magnetic resonance module, the magnetic resonance module is connected with the lock controller, and the magnetic resonance module and the external charging equipment output induction current to the lock controller within a preset distance range and at the same resonance frequency as that sent by the external charging equipment.
Further, the wireless charging module is arranged on the door handle or in the rearview mirror.
Further, the vehicle unlocking control circuit further comprises a voltage conversion circuit, the voltage conversion circuit is connected between the wireless charging module and the vehicle lock controller, and the voltage conversion circuit converts the received induced current into direct current to be output to the vehicle lock controller.
The embodiment of the second aspect provides a vehicle unblock control system, vehicle unblock control system includes vehicle unblock control circuit and outside battery charging outfit that the first aspect provided.
The embodiment of the third aspect provides a vehicle, the vehicle includes vehicle unblock control circuit, lock executor and the flap motor that charges that the first aspect provided.
The embodiment of the utility model provides a vehicle unblock control circuit, system and vehicle, vehicle unblock control circuit includes current detection sensor and low-voltage battery manager, the electric quantity that low-voltage battery manager passes through current detection sensor is less than the default and when surpassing the preset time, the control flap motor unblock that charges, make the user charge to electric automobile through the mouth that charges when whole car does not have the electricity, and then open the lock, the unable problem of opening the lock of charging to electric automobile through the flap that charges that closes when having avoided whole car to do not have the electricity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a vehicle unlocking control circuit provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a vehicle unlocking control circuit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a vehicle unlocking control circuit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a vehicle unlocking control system provided by an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a vehicle according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
An embodiment of the utility model provides a vehicle unblock control circuit 1, as shown in fig. 1, vehicle unblock control circuit 1 includes:
a current detection sensor 11 connected to the battery 70 for detecting the amount of charge of the battery 70;
and the low-voltage battery manager 12 is respectively connected with the current detection sensor 11 and the charging port cover motor 13, and is used for controlling the unlocking of the charging port cover motor 13 when the electric quantity of the storage battery 70 is judged to be lower than a preset value and exceeds a preset time.
The current detection sensor 11 is configured to detect the charge of the battery 70, detect the voltage across the battery 70 and the current value output by the battery 70, calculate the charge of the battery 70, and send the charge of the battery to the low voltage battery manager 12.
The low-voltage battery manager 12 is configured to control the charging port cover motor 13, for example, the charging port cover may be opened or closed by a switch button located at an instrument panel position, the low-voltage battery manager 12 controls the charging port cover motor 13 to rotate forward or backward to lock or unlock the charging port cover according to a state of the switch button, when the low-voltage battery manager 12 detects that an electric quantity of the storage battery 70 is too low and continues for a period of time, it is determined that the storage battery is about to enter a sleep state, and at this time, the charging port cover motor 13 is controlled to rotate to unlock the charging port cover.
The embodiment of the utility model provides a vehicle unblock control circuit 1, including current detection sensor 11 and low-voltage battery manager 12, low-voltage battery manager 12 is less than the default through current detection sensor 11 electric quantity that detects battery 70 and when surpassing the default, the unblock of control flap motor 13 that charges, make the user charge to electric automobile through the mouth that charges when whole car does not have the electricity, and then open the lock, the unable problem of opening the lock that charges and can't open the lock of charging to electric automobile through the flap that charges that closes when having avoided whole car to do not have the electricity.
As an embodiment, as shown in fig. 2, the vehicle unlock control circuit further includes:
the vehicle lock controller 10 is connected with the vehicle lock actuator 50 and is used for receiving a locking signal or an unlocking signal and controlling the vehicle lock actuator 50 to lock or unlock;
and the wireless charging module 30 is connected with the lock controller 10, and is used for cooperating with the external charging device 80 to generate an induced current and output the current to the lock controller 10 when the electric quantity of the storage battery is lower than a preset value.
The lock actuator 50 is controlled by the lock controller 10 to be locked or unlocked according to a locking signal or an unlocking signal, the terminal device in the vehicle may send the locking signal or the unlocking signal to the lock controller 10, or an external remote controller or a mobile terminal may send the locking signal or the unlocking signal to the lock controller 10, as an example, the lock actuator 50 may be a motor, the lock controller 10 controls the motor to rotate forward according to the locking signal to lock the motor, and the lock controller 10 may also rotate the motor backward according to the unlocking signal to unlock the motor.
The vehicle lock controller 10 is connected to the battery 70, when the entire vehicle is powered off, the vehicle lock controller 10 is in a dormant state, and at this time, the wireless charging module 30 and the external charging device 80 may cooperate to receive a magnetic field change signal or a magnetic resonance frequency signal sent by the external charging device, so as to convert the electromagnetic signal into a current and output the current to the vehicle lock controller 10, so that the vehicle lock controller 10 controls the vehicle lock actuator 50 to be locked or unlocked according to the locking signal or the unlocking signal.
The embodiment of the utility model provides a vehicle unblock control circuit, including lock controller 10 and wireless module 30 that charges, when whole car does not have lock controller 10 to be in the standby state, wireless module 30 that charges cooperates with outside battery charging outfit and produces the induced current to lock controller 10 output current, makes lock controller 10 control lock executor 50 lock or unblock, the utility model discloses a set up wireless module 30 that charges, when battery 70 does not have the electricity, make wireless module 30 that charges supply power in order to awaken lock controller 10 to lock controller 10, can be in order to realize locking or the unblock of whole car control lock executor 50 when not having the electricity.
As an embodiment, the wireless charging module 30 is an NFC module, and the NFC module is connected to the lock controller 10 and performs electromagnetic induction with the external charging device 80 to output an induced current to the lock controller when detecting that the external charging device 80 is within a preset distance range.
The NFC module includes a multi-turn coil, the external charging device 80 is a mobile terminal or an NFC card, when the external charging device, such as the mobile terminal, approaches the coil, the magnetic flux inside the coil becomes large to generate an induced current, and the wireless charging module 30 outputs the induced current to the vehicle lock controller 10.
As an embodiment, the wireless charging module 30 includes a multi-turn coil and a current amplifying circuit, and the multi-turn coil, the current amplifying circuit and the lock controller form a closed loop.
The wireless charging module 30 is located on a vehicle body outside the vehicle, for example, on a door handle, and the wireless charging module 30 drives a coil to periodically emit a radio frequency field with a predetermined frequency at certain time intervals to detect whether an external charging device exists in the radio frequency field range, wherein the external charging device includes a magnetic field providing component, and the magnetic field providing component may be a magnet, for example, or other components capable of generating a magnetic field.
The working principle of the wireless charging module 30 outputting the induced current to the vehicle lock controller 10 when detecting the external charging device is as follows: when the whole vehicle is in a dormant state in the absence of power, the wireless charging module 30 is in the dormant state, and the wireless charging module 30 does not work; when a user brings a mobile terminal or an NFC card close to the multi-turn coil of the wireless charging module 30, the magnetic field generated by the magnetic field providing component in the mobile terminal or the NFC card changes the magnetic flux inside the multi-turn coil, so that an induced current is generated in a closed loop formed by the wireless charging module 30 and the vehicle lock controller 10, and the induced current is used as a wake-up signal to wake up the vehicle lock controller 10.
When a magnetic field providing component in the external charging device is close to a multi-turn coil of the wireless charging module 30, the magnetic field providing component in the external charging device is gradually close to the multi-turn coil, magnetic flux of a closed loop of the multi-turn coil changes, magnetic field intensity changes, magnetic lines of force in the closed loop change, namely the multi-turn coil moves relative to a magnetic field, when the multi-turn coil cuts the magnetic lines of force, electrons in the multi-turn coil move in the magnetic field, and are subjected to lorentz force (acting force of the magnetic field on moving charges), the electrons move along the direction of a lead by the lorentz force, so that current can be generated on the multi-turn coil, and the current is induction current. Preferably, the magnetic field providing member may be a magnet.
In one embodiment of the present application, the wireless charging module 30 further includes a current amplifying circuit, which forms a closed loop with the multi-turn coil and the vehicle-mounted terminal battery, and is used for amplifying the induced current. If the induced current is small enough to call the vehicle-mounted terminal battery, a current amplification circuit can be added between the multi-turn coil and the vehicle lock controller 10, so that the multi-turn coil, the current amplification circuit and the vehicle lock controller 10 are connected into a closed loop, the current amplification circuit amplifies the induced current generated by electromagnetic induction of the multi-turn coil, the amplified induced current is used as a wake-up signal of the vehicle lock controller 10, and the vehicle lock controller 10 is woken up. By adding a current amplification circuit, the induced current generated by the multi-turn coil can be amplified, so that the lock controller 10 can be sufficiently awakened.
As an example, the wireless charging module 30 may also be disposed on a door handle or in a rear view mirror.
As an embodiment, the wireless charging module 30 is a magnetic resonance module, the magnetic resonance module is connected to the lock controller 10, and the magnetic resonance module and the external charging device 80 output an induced current to the lock controller 10 within a preset distance range and at the same resonance frequency as that of the external charging device 80.
The external charging device may be a signal frequency generator, and when the magnetic resonance module receives a signal with the same resonance frequency, the signal outputs an induced current to the vehicle lock controller 10.
As an embodiment, the vehicle unlocking control circuit 1 further includes a voltage conversion circuit, the voltage conversion circuit is connected between the wireless charging module and the vehicle lock controller, and the voltage conversion circuit converts the received induced current into direct current to be output to the vehicle lock controller.
The voltage conversion circuit is an ac-dc converter, and is configured to convert ac power output by the wireless charging module into dc power and output the dc power to the vehicle lock controller 10.
As shown in fig. 3, the working process of the embodiment of the present invention is as follows:
when the power battery of the vehicle is dead, only the low-voltage battery 70 provides power support for the vehicle equipment, the electric power of the low-voltage battery 70 is consumed in the standing state, and when the vehicle is left for a long time and the power of the low-voltage battery 70 is consumed and the vehicle is dead, the vehicle enters the sleep state, and at this time, the lock controller 10 is in the sleep state.
When the wireless module of charging is NFC module 30, the user uses cell-phone 80 to be close to when setting up the NFC module 30 in the rear-view mirror, produce the electric current output alternating current for AC/DC voltage converter 31 through electromagnetic induction between NFC module 30 and the cell-phone 80, AC/DC voltage converter 31 converts the alternating current into direct current and exports for lock controller 10, the cloud control APP on the user operation mobile terminal of this moment selects to unblank, the cloud control APP transmits this instruction of unblanking to remote server, remote server 40 issues the instruction of unblanking to lock controller 10, lock controller 10 checks that the instruction of unblocking is legal, then control lock executor 50 is unblanked legally.
The utility model discloses another embodiment provides a vehicle unblock control system 2, as shown in FIG. 4, vehicle unblock control system 2 includes vehicle unblock control circuit 1 and outside battery charging outfit 80 that above-mentioned embodiment provided.
In one embodiment, the external charging device 80 and the wireless charging module 30 output an induced current to the lock controller 10 through electromagnetic induction between the wireless charging module 30 and the external charging device 30, so that the lock controller 10 controls the lock actuator to unlock the lock.
Wherein, the user triggers wireless module 30 that charges through outside battery charging outfit 80 and makes wireless module 30 that charges supply power to lock controller 10, and whole process need not mechanical key, safe high efficiency.
The utility model discloses another embodiment provides a vehicle 3, as shown in FIG. 5, vehicle 3 includes vehicle unblock control circuit 1, car lock executor 50 and the flap that charges that above-mentioned embodiment provided clicks 13.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. For those skilled in the art to which the invention pertains, equivalent substitutions or obvious modifications may be made without departing from the spirit of the invention, and the same properties or uses are deemed to fall within the scope of the invention as defined by the claims as filed.

Claims (10)

1. A vehicle unlock control circuit, characterized by comprising:
the current detection sensor is connected with the storage battery and used for detecting the electric quantity of the storage battery;
and the low-voltage battery manager is respectively connected with the current detection sensor and the charging opening cover motor and is used for controlling the unlocking of the charging opening cover motor when the electric quantity of the storage battery is judged to be lower than a preset value and exceeds preset time.
2. The vehicle unlock control circuit according to claim 1, further comprising:
the lock controller is connected with the lock actuator and is used for controlling the lock actuator to lock or unlock when receiving a locking signal or an unlocking signal;
and the wireless charging module is connected with the lock controller and is used for matching with external charging equipment to generate induction current and outputting the current to the lock controller when the electric quantity of the storage battery is lower than a preset value.
3. The vehicle unlocking control circuit according to claim 2, wherein the wireless charging module is an NFC module, the NFC module is connected to the vehicle lock controller, and when it is detected that an external charging device is within a preset distance range, the NFC module performs electromagnetic induction with the external charging device to output an induced current to the vehicle lock controller.
4. The vehicle unlock control circuit of claim 3 wherein the external charging device is a mobile terminal or an NFC card.
5. The vehicle unlock control circuit of claim 3 wherein the wireless charging module includes a multi-turn coil and a current amplification circuit, the multi-turn coil, the current amplification circuit and the vehicle lock controller forming a closed loop.
6. The vehicle unlocking control circuit according to claim 2, wherein the wireless charging module is a magnetic resonance module, the magnetic resonance module is connected to the vehicle lock controller, and the magnetic resonance module and the external charging device output an induced current to the vehicle lock controller within a preset distance range and at the same resonant frequency as that of the external charging device.
7. The vehicle unlock control circuit of claim 2 wherein the wireless charging module is disposed on a door handle or within a rear view mirror.
8. The vehicle unlock control circuit of claim 2 further comprising a voltage conversion circuit connected between the wireless charging module and the vehicle lock controller, the voltage conversion circuit converting the received induced current into a direct current and outputting the direct current to the vehicle lock controller.
9. A vehicle unlocking control system characterized by comprising the vehicle unlocking control circuit of any one of claims 1 to 8 and an external charging device.
10. A vehicle characterized by comprising the vehicle unlocking control circuit, the vehicle lock actuator and the charge flap motor according to any one of claims 1 to 8.
CN201922119538.5U 2019-11-29 2019-11-29 Vehicle unblock control circuit, system and vehicle Active CN211493676U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922119538.5U CN211493676U (en) 2019-11-29 2019-11-29 Vehicle unblock control circuit, system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922119538.5U CN211493676U (en) 2019-11-29 2019-11-29 Vehicle unblock control circuit, system and vehicle

Publications (1)

Publication Number Publication Date
CN211493676U true CN211493676U (en) 2020-09-15

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CN201922119538.5U Active CN211493676U (en) 2019-11-29 2019-11-29 Vehicle unblock control circuit, system and vehicle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113733911A (en) * 2021-07-23 2021-12-03 山东豪驰智能汽车有限公司 Power supply protection device for preventing auxiliary storage battery of pure electric vehicle from over-discharging
CN115188103A (en) * 2022-06-24 2022-10-14 华人运通(江苏)技术有限公司 Vehicle-mounted NFC key control method and vehicle-mounted wireless charging device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113733911A (en) * 2021-07-23 2021-12-03 山东豪驰智能汽车有限公司 Power supply protection device for preventing auxiliary storage battery of pure electric vehicle from over-discharging
CN115188103A (en) * 2022-06-24 2022-10-14 华人运通(江苏)技术有限公司 Vehicle-mounted NFC key control method and vehicle-mounted wireless charging device
CN115188103B (en) * 2022-06-24 2023-11-14 华人运通(江苏)技术有限公司 Vehicle-mounted NFC key control method and vehicle-mounted wireless charging device

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