CN117822991A - Vehicle unlocking device, unlocking method thereof and vehicle - Google Patents
Vehicle unlocking device, unlocking method thereof and vehicle Download PDFInfo
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- CN117822991A CN117822991A CN202211186089.6A CN202211186089A CN117822991A CN 117822991 A CN117822991 A CN 117822991A CN 202211186089 A CN202211186089 A CN 202211186089A CN 117822991 A CN117822991 A CN 117822991A
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Abstract
The invention relates to a vehicle unlocking device and an unlocking method thereof, and a vehicle, wherein the vehicle unlocking device comprises a power-on interface, a controller, a door lock motor and a switch element; the door lock motor is used for controlling the door lock motor to unlock; the power-on interface is used for being connected with an external power supply, and is respectively connected with the door lock motor and the lock motor through power lines; the switch element is arranged on the power line; the controller is used for being connected with a low-voltage storage battery of the vehicle, when the low-voltage storage battery is not in power shortage, the low-voltage storage battery supplies power for the controller and the door lock motor, and at the moment, the switch element is in a preset disconnection state; when the low-voltage storage battery is in power shortage, the switching element is controlled to be switched from an open state to a closed state, and the external power supply supplies power for the controller and the door lock motor. According to the invention, the technical problem that the vehicle cannot be unlocked under the condition of no mechanical key when the vehicle is deficient in power can be solved.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle unlocking device, an unlocking method thereof and a vehicle.
Background
With the development of automobile intellectualization, vehicles provide a plurality of door unlocking modes, such as mobile phone unlocking, card key unlocking, approaching induction unlocking and the like, and the unlocking modes are greatly convenient for users to use, so that the users can realize the use of the vehicles without keys.
The vehicle is easy to lose power due to long-term parking or aging of the storage battery, and under the condition of losing power of the vehicle, a user needs to unlock the vehicle so as to carry out power taking or maintenance on the vehicle. At present, the unlocking action of the vehicle in the power shortage state is often completed by a mechanical key, but because the use frequency of the mechanical key of the vehicle is low, the user may not take the key or forget to take the key, and in this case, the user cannot perform the unlocking operation, so as to power up or repair the vehicle.
Disclosure of Invention
The invention aims to provide a vehicle unlocking device, an unlocking method thereof and a vehicle, so as to solve the technical problem that the vehicle cannot be unlocked under the condition of no mechanical key when the vehicle is deficient in power.
To achieve the above object, an embodiment of the present invention provides a vehicle unlocking device, which includes a power-on interface, a controller, a door lock motor, and a switching element;
the controller is used for controlling the door lock motor to drive the door lock executing mechanism to move to unlock or lock the door;
the power-on interface is used for being connected with an external power supply and is respectively connected with the door lock motor and the lock motor through power lines; the switch element is arranged on the power line;
the controller is used for being connected with a low-voltage storage battery of the vehicle, and when the low-voltage storage battery is not in power shortage, the low-voltage storage battery supplies power for the controller and the door lock motor, and at the moment, the switch element is in a preset disconnection state; when the low-voltage storage battery is in power shortage, the switching element is controlled to be switched from an open state to a closed state, and the external power supply supplies power for the controller and the door lock motor.
Preferably, the switching element is a relay switch.
Preferably, the device further comprises a power supply detection module, wherein the power supply detection module is connected with the low-voltage storage battery;
and the power supply detection is used for detecting whether the low-voltage storage battery is deficient or not and sending a detection result to the controller.
Preferably, the power supply detection module is specifically configured to send a power shortage warning signal to the controller at intervals of a preset cycle time when the low-voltage storage battery is detected to be deficient.
Preferably, the controller is specifically configured to control the switching element to switch from the open state to the closed state when the power shortage warning signal is received.
Preferably, the voltage of the external power supply is the same as the low-voltage storage battery.
The embodiment of the invention also provides an unlocking method of the vehicle unlocking device, which comprises the following steps:
when the low-voltage storage battery is not in a power shortage state, the switch element is in a preset disconnection state, and the low-voltage storage battery supplies power for the controller and the door lock motor;
when the low-voltage storage battery is in power shortage, the controller controls the switching element to be switched from an open state to a closed state, and the external power supply supplies power for the controller and the door lock motor.
Preferably, the method comprises the steps of:
the power supply detection module detects whether the low-voltage storage battery is in power shortage, and when the low-voltage storage battery is detected to be in power shortage, a power shortage warning signal is sent to the controller every preset cycle time.
Preferably, the method comprises the steps of:
the controller detects whether a power deficiency warning signal is received; if not, the switching element is not controlled, and if so, the controller sends a closing signal to the switching element;
the switching element receives the closing signal and switches the switching state of the switching element from an open state to a closed state according to the closing signal.
The embodiment of the invention also provides a vehicle, which comprises the vehicle unlocking device.
The embodiment of the invention has the following beneficial effects:
when the low-voltage storage battery of the vehicle is not in a power shortage state, the switch element is in a preset disconnection state, a loop between the external power supply and the door lock motor and a loop between the external power supply and the controller are disconnected, the low-voltage storage battery normally supplies power to the controller and the door lock motor, and the controller controls the door lock motor to drive the door lock executing mechanism to move to unlock or lock the vehicle door; when the low-voltage storage battery of the vehicle is in a power shortage state, the controller controls the switch element to switch from an open state to a closed state, at the moment, a loop between the external power supply and the door lock motor and a loop between the external power supply and the controller are conducted, the external power supply supplies power for the door lock motor and the controller, and the controller can still control the door lock motor to drive the door lock executing mechanism to move to unlock or lock the vehicle door. By the embodiment of the invention, the door lock motor can be normally controlled to work when the vehicle is in power shortage, and the technical problem that the vehicle cannot be unlocked under the condition of no mechanical key when the vehicle is in power shortage is solved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a circuit diagram of a vehicle unlocking device according to an embodiment of the invention.
Fig. 2 is a flowchart of an unlocking method of a vehicle unlocking device according to an embodiment of the invention.
The marks in the figure:
the device comprises a 1-power-on interface, a 2-controller, a 3-door lock motor, a 4-switching element, a 5-external power supply, a 6-low-voltage storage battery and a 7-power supply detection module.
Detailed Description
Various exemplary embodiments, features and aspects of the disclosure will be described in detail below with reference to the drawings. In addition, numerous specific details are set forth in the following examples in order to provide a better illustration of the invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, well known means have not been described in detail in order to not obscure the present invention.
Referring to fig. 1, an embodiment of the present invention proposes a vehicle unlocking device, which includes a power-on interface 1, a controller 2, a door lock motor 3, and a switching element 4;
the controller 2 is used for controlling the door lock motor 3 to drive the door lock executing mechanism to move to unlock or lock the door;
the power-on interface 1 is used for being connected with an external power supply 5, and the power-on interface 1 is respectively connected with the door lock motor 3 and the lock motor through power lines; the power line is provided with the switching element 4; preferably, the external power supply 5 interface is designed to prevent negative and positive reverse connection;
the controller 2 is configured to be connected to a low-voltage battery 6 of a vehicle, and when no power shortage occurs in the low-voltage battery 6, the low-voltage battery 6 supplies power to the controller 2 and the door lock motor 3, and the switching element 4 is in a preset off state; when the low-voltage storage battery 6 is in a power shortage state, the switching element 4 is controlled to be switched from an open state to a closed state, and the external power supply 5 supplies power to the controller 2 and the door lock motor 3.
In this embodiment, when no power shortage occurs in the low-voltage battery 6 of the vehicle, the switch element 4 is in a preset off state, and the loop between the external power supply 5 and the door lock motor 3 and the loop between the external power supply 5 and the controller 2 are all disconnected, at this time, the vehicle safety cannot be ensured by unlocking the external device, the low-voltage battery 6 normally supplies power to the controller 2 and the door lock motor 3, the controller 2 can receive a wireless control signal of a user, and the door lock motor 3 is controlled to drive the door lock actuator to move to unlock or lock the vehicle door, where the wireless control signal is a control signal sent by unlocking modes such as unlocking of a mobile phone, unlocking of a card key, and approaching induction unlocking;
in this embodiment, when the low-voltage battery 6 of the vehicle is in a power shortage state, the controller 2 controls the switch element 4 to switch from an open state to a closed state, at this time, a loop between the external power supply 5 and the door lock motor 3 and a loop between the external power supply 5 and the controller 2 are turned on, the external power supply 5 supplies power to the door lock motor 3 and the controller 2, the controller 2 can still receive a wireless control signal of a user, for example, a control signal sent by an unlocking mode such as unlocking a mobile phone, unlocking a card key, and approaching induction unlocking, so as to control the door lock motor 3 to drive the door lock actuator to move to unlock or lock the door;
further, after the door is opened, a user enters the vehicle, and the user can operate the front hatch to unlock in the vehicle, and the front hatch is opened to repair the storage battery.
In summary, through the embodiment, the door lock motor 3 can be normally controlled to work when the vehicle is deficient, so that the technical problem that the vehicle cannot be unlocked under the condition of no mechanical key when the vehicle is deficient is solved; the automobile door lock is beneficial to canceling the mechanical lock and the key, improves the use experience of a user, saves the space arrangement of the mechanical lock, does not need to leave behind a key hole at the position of the automobile door, has simpler appearance design of the automobile, and can be widely applied to unlocking modes such as unlocking of a mobile phone, unlocking of a card key, approaching induction unlocking and the like.
In some embodiments, the switching element 4 is a relay switch; in the normal state of the vehicle, the relay switch is opened, and the relay switch is closed only when the vehicle is in the power shortage state under the control of the controller 2.
In some embodiments, the device further comprises a power detection module 7, the power detection module 7 being connected to the low voltage battery 6; the power supply detection module 7 is in communication connection with the controller 2;
the power supply detection is used for detecting whether the low-voltage storage battery 6 is deficient in power or not and sending a detection result to the controller 2;
specifically, there are various ways of detecting the battery power shortage, for example, by detecting a dark current, or by detecting a battery voltage, and the present embodiment is not limited to any one, and the present embodiment may be used as the power supply detection module 7 as long as the battery power shortage can be detected.
In some embodiments, the power supply detection module 7 is specifically configured to send a power shortage warning signal to the controller 2 at intervals of a preset cycle time when it is detected that the low-voltage storage battery 6 is deficient.
Specifically, in order to avoid that the power shortage warning signal is not sent successfully, the controller 2 does not respond in time, so the power shortage warning signal is sent to the controller 2 periodically in this embodiment, and the preset period time is preferably but not limited to 10 ms in this embodiment.
In some embodiments, the controller 2 is specifically configured to control the switching element 4 to switch from an open state to a closed state when the power shortage warning signal is received;
specifically, the controller 2 detects whether it receives the power-shortage warning signal sent by the power detection module 7; if the power shortage warning signal is not received, the controller 2 does not control the switching element 4, and if the power shortage warning signal is received, the controller 2 sends a closing signal to the switching element 4 for controlling the switching element 4 to be closed;
the switching element 4 detects whether it receives the closing signal of the controller 2, if not, the current open state is maintained, and if, the switching state is switched from the open state to the closed state according to the closing signal.
In some embodiments, the voltage of the external power source 5 is the same as the voltage of the low-voltage battery 6, and in general, the voltage of the low-voltage battery 6 is 12V.
Another embodiment of the present invention further provides an unlocking method of the vehicle unlocking device, referring to fig. 2, the method includes the following steps:
step S1, when the low-voltage storage battery is not in a power shortage state, the switch element is in a preset disconnection state, and the low-voltage storage battery supplies power for the controller and the door lock motor;
and S2, when the low-voltage storage battery is deficient, the controller controls the switching element to be switched from an open state to a closed state, and the external power supply supplies power for the controller and the door lock motor.
In some embodiments, the method comprises the steps of:
and S3, a power supply detection module detects whether the low-voltage storage battery is in power shortage, and when the low-voltage storage battery is detected to be in power shortage, a power shortage warning signal is sent to the controller every preset cycle time.
In some embodiments, the method comprises the steps of:
step S4, the controller detects whether a power deficiency warning signal is received; if not, the switching element is not controlled, and if so, the controller sends a closing signal to the switching element;
and S5, the switching element receives the closing signal, and the switching state of the switching element is switched from the open state to the closed state according to the closing signal.
The method of this embodiment corresponds to the apparatus of the foregoing embodiment, and therefore, a portion of the method of this embodiment that is not described in detail may be obtained by referring to the apparatus of the foregoing embodiment, and details are not described herein.
Another embodiment of the present invention further provides a vehicle, including the vehicle unlocking device described in the foregoing embodiment.
From the above description of the embodiments, the embodiments of the present invention have the following advantages:
(1) In the past, the vehicle needs to reserve a mechanical lock and a key for unlocking operation when power is deficient, and the mechanical lock key is inconvenient to carry or easy to forget to carry;
(2) Because the mechanical lock is canceled, the space arrangement of the mechanical lock can be saved on the vehicle, no key hole is left at the position of the vehicle door, and the appearance design of the vehicle is simpler;
(3) The traditional method has the defects that the vehicle is not in power shortage, the external unlocking can be realized, and the safety is poor; in the embodiment of the invention, when the vehicle is not in power shortage, the external power supply can not unlock the vehicle, so that the safety is improved;
(4) The embodiment of the invention is simple and easy to use, has low requirements on the environmental conditions of the vehicle, and has wide application value.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and substitutions will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The vehicle unlocking device is characterized by comprising a power-on interface, a controller, a door lock motor and a switch element;
the controller is used for controlling the door lock motor to drive the door lock executing mechanism to move to unlock or lock the door;
the power-on interface is used for being connected with an external power supply and is respectively connected with the door lock motor and the lock motor through power lines; the switch element is arranged on the power line;
the controller is also used for being connected with a low-voltage storage battery of the vehicle, and when the low-voltage storage battery is not in power shortage, the low-voltage storage battery supplies power for the controller and the door lock motor, and at the moment, the switch element is in a preset disconnection state; when the low-voltage storage battery is in power shortage, the switching element is controlled to be switched from an open state to a closed state, and the external power supply supplies power for the controller and the door lock motor.
2. The vehicle unlocking apparatus according to claim 1, wherein the switching element is a relay switch.
3. The vehicle unlocking apparatus according to claim 1, further comprising a power supply detection module connected to the low-voltage battery;
and the power supply detection is used for detecting whether the low-voltage storage battery is deficient or not and sending a detection result to the controller.
4. The vehicle unlocking device according to claim 3, wherein the power supply detection module is specifically configured to send a power shortage warning signal to the controller every a preset cycle time when the occurrence of power shortage of the low-voltage storage battery is detected.
5. The vehicle unlocking apparatus according to claim 4, wherein the controller is specifically configured to control the switching element to switch from an open state to a closed state when the power shortage warning signal is received.
6. The vehicle unlocking apparatus according to any one of claims 1 to 5, wherein a voltage of the external power supply is the same as the low-voltage battery.
7. A vehicle unlocking method, characterized by being applied to the vehicle unlocking device according to any one of claims 1 to 6, comprising the steps of:
when the low-voltage storage battery is not in a power shortage state, the switch element is in a preset disconnection state, and the low-voltage storage battery supplies power for the controller and the door lock motor;
when the low-voltage storage battery is in power shortage, the controller controls the switching element to be switched from an open state to a closed state, and the external power supply supplies power for the controller and the door lock motor.
8. The unlocking method according to claim 7, wherein the method comprises the steps of:
the power supply detection module detects whether the low-voltage storage battery is in power shortage, and when the low-voltage storage battery is detected to be in power shortage, a power shortage warning signal is sent to the controller every preset cycle time.
9. The unlocking method according to claim 8, wherein the method comprises the steps of:
the controller detects whether a power deficiency warning signal is received; if not, the switching element is not controlled, and if so, the controller sends a closing signal to the switching element;
the switching element receives the closing signal and switches the switching state of the switching element from an open state to a closed state according to the closing signal.
10. A vehicle characterized by comprising the vehicle unlocking device according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211186089.6A CN117822991A (en) | 2022-09-27 | 2022-09-27 | Vehicle unlocking device, unlocking method thereof and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211186089.6A CN117822991A (en) | 2022-09-27 | 2022-09-27 | Vehicle unlocking device, unlocking method thereof and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117822991A true CN117822991A (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211186089.6A Pending CN117822991A (en) | 2022-09-27 | 2022-09-27 | Vehicle unlocking device, unlocking method thereof and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN117822991A (en) |
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- 2022-09-27 CN CN202211186089.6A patent/CN117822991A/en active Pending
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