CN111824063B - Power battery anti-theft system and car - Google Patents
Power battery anti-theft system and car Download PDFInfo
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- CN111824063B CN111824063B CN201910308846.4A CN201910308846A CN111824063B CN 111824063 B CN111824063 B CN 111824063B CN 201910308846 A CN201910308846 A CN 201910308846A CN 111824063 B CN111824063 B CN 111824063B
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- theft
- power battery
- lock structure
- theft function
- battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/2018—Central base unlocks or authorises unlocking
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a power battery anti-theft system and an automobile, and relates to the technical field of automobiles. This power battery anti-theft system includes: the fixing structure is used for mounting the power battery on the vehicle body; the anti-theft lock structure comprises an anti-theft function opening state connected with the fixed structure and an anti-theft function releasing state separated from the fixed structure; and the vehicle control unit is used for outputting a control signal to the anti-theft lock structure and controlling the anti-theft lock structure to switch between an anti-theft function opening state and an anti-theft function releasing state. According to the scheme, the vehicle control unit controls the anti-theft lock structure to lock the fixed structure of the fixed power battery, so that the power battery cannot be directly disassembled from the outside, an unlocking authorization signal and a battery disassembly signal are required to be sent to the vehicle control unit before the anti-theft lock structure is unlocked, and the risk of stealing the power battery is reduced.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a power battery anti-theft system and an automobile.
Background
With the development of science and technology, automobiles become indispensable transportation means in daily life of people; because fuel is an irreproducible resource, more and more automobile manufacturers are gradually engaged in research and production of electric automobiles in order to reduce the amount of fuel used.
For the electric automobile itself, it has the theftproof measure of traditional car, still has location and location data transmission function, and the stolen risk of whole car is less, but power battery is the most expensive part on the car, only through the bolt fastening in the car lower part, dismantles more easily, and especially there is the car of some quick change batteries, carries out the battery through the instrument of simple manufacture very easily and dismantles, and this just makes the risk greatly increased who loses power battery.
The existing electric automobile is not designed for battery theft prevention, and the risk of battery theft is increased along with the gradual popularization of the electric automobile, so that the power battery is very necessary to prevent theft.
Disclosure of Invention
The embodiment of the invention provides a power battery anti-theft system and an automobile, which are used for solving the problem that the power battery of the conventional electric automobile is easy to detach and has a high risk of being stolen.
In order to solve the above technical problem, an embodiment of the present invention provides an anti-theft system for a power battery, including:
the fixing structure is used for mounting the power battery on the vehicle body;
an anti-theft lock structure including an anti-theft function open state connected to the fixing structure and an anti-theft function release state separated from the fixing structure;
when the anti-theft lock structure is in the anti-theft function release state, the fixing structure, the power battery and the vehicle body are detachably connected;
when the anti-theft lock structure is in the anti-theft function opening state, the fixing structure, the power battery and the vehicle body are in non-detachable connection;
and the vehicle control unit is used for outputting a control signal to the anti-theft lock structure and controlling the anti-theft lock structure to be switched between the anti-theft function opening state and the anti-theft function releasing state.
Further, the fixing structure includes:
the bolt is provided with a clamping groove;
the bolt penetrates through the power battery and mounting holes respectively formed in the vehicle body, and the power battery is mounted on the vehicle body.
Further, the anti-theft lock structure includes:
a locking plate provided with a bayonet;
when the anti-theft function is in an open state, the bayonet is inserted into the clamping groove, and when the anti-theft function is in a release state, the bayonet is separated from the clamping groove.
Further, the anti-theft lock structure further includes:
the motor is connected with the vehicle control unit;
the motor receives an anti-theft function starting control signal output by the vehicle control unit and controls the locking plate to be inserted into the locking groove;
the motor is also used for receiving an anti-theft function removing control signal output by the vehicle control unit and controlling the locking plate to be separated from the clamping groove.
Further, the vehicle control unit is further configured to receive an unlocking authorization signal sent by the vehicle body controller, and output the anti-theft function release control signal to the anti-theft lock structure according to a battery detachment signal triggered by the detachment control device, so as to control the anti-theft lock structure to be switched from the anti-theft function open state to the anti-theft function release state.
Further, the detachment control means includes:
a battery maintenance mode start button arranged on a control screen in the automobile;
the Bluetooth transceiver is used for receiving the battery replacement information output by a user;
and the detector is used for maintaining and detecting the power battery.
Further, the vehicle control unit is further configured to send a high voltage power-off command signal to a battery management system according to the battery disassembly signal.
Further, the vehicle control unit is further configured to receive a disconnected high-voltage signal of the high-voltage relay output by the battery management system, output the anti-theft function release control signal to the anti-theft lock structure according to the disconnected high-voltage signal, and control the anti-theft lock structure to switch from the anti-theft function on state to the anti-theft function release state.
Further, when the anti-theft lock structure is in the anti-theft function release state, the vehicle control unit is configured to acquire a locking signal sent by the battery management system, output the anti-theft function opening control signal to the anti-theft lock structure, and control the anti-theft lock structure to switch from the anti-theft function release state to the anti-theft function opening state.
The embodiment of the invention also provides an automobile comprising the power battery anti-theft system.
The invention has the beneficial effects that:
above-mentioned scheme, control the pickproof lock structure through vehicle control unit and carry out the kayser to the fixed knot structure of fixed power battery for power battery can't directly dismantle from the outside, has reduced the stolen risk of power battery, and still need send unblock authorizing signal and battery dismantlement signal to vehicle control unit before the pickproof lock structure unblock, makes power battery's dismantlement only can go on authorizing and triggering through the process, further reduces the stolen risk of power battery.
Drawings
Fig. 1 shows one of the structural schematic diagrams of the anti-theft system for power battery according to the embodiment of the invention;
fig. 2 is a second schematic structural diagram of a power battery anti-theft system according to an embodiment of the invention;
fig. 3 is a schematic structural view of a locking tab according to an embodiment of the present invention.
Description of reference numerals:
1-a vehicle body; 2-a power battery; 3-anti-theft lock structure; 31-a latch plate; 311-bayonet; 312-rack; 32-a motor; 4-a bolt; 41-card slot; 5-vehicle control unit; 6-a vehicle body controller; 7-disassembling the control device; 71-battery service mode start button; 72-a bluetooth transceiver; 73-detector; 8-battery management system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The invention provides a power battery anti-theft system and an automobile, aiming at the problem that the power battery of the existing electric automobile is easy to detach and has a high risk of being stolen.
As shown in fig. 1 to fig. 3, an embodiment of the present invention provides an anti-theft system for a power battery, including:
a fixing structure for mounting the power battery 2 on the vehicle body 1;
an anti-theft lock structure 3 including an anti-theft function open state connected to the fixing structure and an anti-theft function release state separated from the fixing structure;
when the anti-theft lock structure 3 is in the anti-theft function release state, the fixing structure, the power battery 2 and the vehicle body 1 are detachably connected, and at the moment, the fixing structure can be separated from the power battery 2 and the vehicle body 1 through a tool;
when the anti-theft lock structure 3 is in the anti-theft function opening state, the fixing structure, the power battery 2 and the vehicle body 1 are in non-detachable connection, and at the moment, the fixing structure cannot be separated from the power battery 2 and the vehicle body 1 through a tool;
and the vehicle control unit 5 is configured to output a control signal to the anti-theft lock structure 3, and control the anti-theft lock structure 3 to switch between the anti-theft function open state and the anti-theft function release state.
It should be noted that in the embodiment of the present invention, the vehicle control unit 5 controls the anti-theft lock structure 3 to lock and lock the fixing structure for fixing the power battery 2, so that the power battery 2 cannot be directly detached from the outside, and the difficulty of stealing the power battery by a lawbreaker is increased.
In order to firmly fix the power battery 2 to the vehicle body 1, a plurality of fixing points need to be provided, and therefore the fixing structure includes:
the bolt assembly comprises a plurality of bolts 4, wherein clamping grooves 41 are formed in the bolts 4;
it should be noted that the notch 41 is an annular groove on the shank of the bolt 4.
The bolt 4 penetrates through the power battery 2 and mounting holes respectively formed in the vehicle body 1, and the power battery 2 is mounted on the vehicle body 1.
The anti-theft lock structure 3 includes:
a locking piece 31 provided with a bayonet 311;
when the anti-theft function is in an open state, the bayonet 311 is inserted into the slot 41, and when the anti-theft function is in a release state, the bayonet 311 is separated from the slot 41.
It should be noted that, in order to ensure that the bayonet 311 can be inserted into the bayonet slot 41, the thickness of the locking piece 31 is smaller than the length of the bayonet slot 41 in the direction of the bolt shaft; further, in order to ensure that the bolt 4 cannot be screwed out after the bayonet 311 is inserted into the slot 41, the width of the bayonet 311 is greater than the diameter of the bolt shank at the slot 41 and smaller than the diameter of the bolt shank at the non-slotted position.
In the embodiment of the present invention, the vehicle control unit 5 controls the anti-theft lock structure 3 to realize the movement of the locking plate 31, so the anti-theft lock structure 3 further includes:
the motor 32, the motor 32 is connected with the vehicle control unit 5;
the motor 32 receives an anti-theft function starting control signal output by the vehicle control unit 5, and controls the locking plate 31 to be inserted into the locking groove 41;
the motor 32 is further configured to receive an anti-theft function release control signal output by the vehicle control unit 5, and control the locking plate 31 to be separated from the locking groove 41.
It should be noted that the motor 32 can move the locking plate 31 in various ways, preferably, a gear is installed on the motor 32, and a rack 312 engaged with the gear on the motor 32 is arranged on the side edge of the locking plate 31; the motor 32 rotates the gear according to a control signal output by the vehicle control unit 5 to drive the rack 312 to move, so that the locking plate 31 is inserted into the locking slot 41 or separated from the locking slot 41. In particular, the motor 32 may also use a solenoid valve to realize the movement of the locking plate 31.
After the power battery 2 is mounted on the vehicle body 1 and the bolt 4 is screwed down, the motor 32 drives the locking plate 31 to move towards a preset direction, so that the bayonet 311 of the locking plate 31 is inserted into the bayonet 41 of the bolt 4, and the bolt 4 is locked by the locking plate 31 and cannot be screwed out, thereby playing a role in preventing theft; when the power battery 2 needs to be disassembled, the motor 32 drives the locking plate 31 to move in the direction opposite to the preset direction, so that the bayonet 311 of the locking plate 31 is separated from the slot 41 of the bolt 4, and the bolt 4 can be unscrewed at this time, so that the power battery 2 can be disassembled.
It should be further noted that the anti-theft lock structure 3 is located inside the vehicle body 1 and cannot be damaged and displaced from the outside, so that the separation of the locking plate 31 and the bolt 4 can be realized only when the anti-theft lock structure 3 receives a control signal of the vehicle control unit 5, and the risk of theft of the power battery 2 is further reduced.
When the power battery 2 needs to be repaired or replaced, the embodiment of the invention specifically limits the condition for outputting the control signal to the anti-theft lock structure 3 by the whole vehicle controller 5. The vehicle control unit 5 is further configured to receive an unlocking authorization signal sent by the vehicle body controller 6, and output the anti-theft function release control signal to the anti-theft lock structure 3 according to a battery detachment signal triggered by the detachment control device 7, so as to control the anti-theft lock structure 3 to be switched from the anti-theft function open state to the anti-theft function release state.
It should be noted that, in all scenarios requiring the disassembly of the power battery 2, the step of performing the unlocking authorization is required, and specifically, the unlocking can be carried out by a remote control key or a mechanical key, the whole vehicle is unlocked by the remote control key or the mechanical key, the unlocking is carried out by sending a signal to the vehicle body controller 6 by the remote control key or the mechanical key, the vehicle can be unlocked only by the key of the vehicle, after the unlocking, the vehicle body controller 6 sends an authorized unlocking signal to the whole vehicle controller 5, in addition, the unlocking authorization signal can also be sent by a keyless entry and starting PEPS system, at the moment, the vehicle control unit 5 responds to the battery disassembly signal triggered by the disassembly control device 7, otherwise, when the vehicle control unit 5 does not receive the unlocking authorization signal, even if a battery disassembly signal triggered by the disassembly control device 7 is received, the vehicle control unit 5 does not output an anti-theft function release control signal to the anti-theft lock structure 3.
It should be noted that, according to the requirement of the power battery 2 in the situation that needs to be detached, the detachment control device 7 includes:
a battery maintenance mode start button 71 provided on a central control panel of the automobile;
a bluetooth transceiver 72 for receiving the battery replacement information output by the user;
and the detector 73 is used for performing maintenance detection on the power battery 2.
The triggering methods of the battery detachment signal in the embodiments of the present invention are not limited to the above three methods, and for example, the triggering methods may also be implemented by wireless signals such as a mobile phone wireless signal and a WiFi signal, or other communication methods such as ethernet and LIN.
It should be further noted that the above methods for triggering the battery detachment signal are all processed by a security encryption algorithm, so that illegal intrusion can be effectively prevented, and the anti-theft measures of the embodiment of the present invention are more stable.
After the vehicle control unit 5 receives the unlocking authorization signal and the battery disassembling signal, considering that the power battery 2 belongs to a high-voltage dangerous product, in order to ensure the safety in the process of disassembling the power battery 2, the high-voltage relay needs to be disconnected. Specifically, the vehicle control unit 5 is further configured to send a high voltage power failure command signal to a battery management system 8 of the electric vehicle according to the battery detachment signal.
The vehicle control unit 5 is further configured to receive a disconnected high-voltage signal of the high-voltage relay output by the battery management system 8, output the anti-theft function release control signal to the anti-theft lock structure 3 according to the disconnected high-voltage signal, and control the anti-theft lock structure 3 to switch from the anti-theft function on state to the anti-theft function release state.
After power battery 2 installed automobile body 1 through fixed knot structure, anti-theft lock structure 3 was in the theftproof function removes the state, when card locking plate 31 and bolt 4 separated promptly, need control anti-theft lock structure 3 will fixed knot structure this moment power battery 2 with the relation of connection between the automobile body 1 switches into undetachable connection, vehicle control unit 5 is used for acquireing the kayser signal that electric automobile's battery management system 8 sent, to anti-theft lock structure 3 output theftproof function opens control signal, control anti-theft lock structure follows the theftproof function removes the state and switches into the theftproof function opens the state, drives card locking plate 31 and removes and dies bolt 4 card.
It should be noted that, in the embodiment of the present invention, the vehicle control unit 5 controls the anti-theft lock structure 3 to lock and lock the bolt 4 for fixing the power battery, so that the power battery 2 cannot be directly disassembled from the outside, and before the anti-theft lock structure 3 is unlocked, an unlocking authorization signal and a battery disassembling signal need to be sent to the vehicle control unit 5, so that the power battery 2 can be disassembled only after being authorized and triggered, thereby reducing the risk of the power battery 2 being stolen.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (10)
1. A power battery anti-theft system, characterized by comprising:
the fixing structure is used for mounting the power battery on the vehicle body;
an anti-theft lock structure including an anti-theft function open state connected to the fixing structure and an anti-theft function release state separated from the fixing structure;
when the anti-theft lock structure is in the anti-theft function release state, the fixing structure, the power battery and the vehicle body are detachably connected;
when the anti-theft lock structure is in the anti-theft function opening state, the fixing structure, the power battery and the vehicle body are in non-detachable connection;
and the vehicle control unit is used for outputting a control signal to the anti-theft lock structure and controlling the anti-theft lock structure to be switched between the anti-theft function opening state and the anti-theft function releasing state.
2. The power battery anti-theft system according to claim 1, wherein the fixing structure comprises:
the bolt is provided with a clamping groove;
the bolt penetrates through the power battery and mounting holes respectively formed in the vehicle body, and the power battery is mounted on the vehicle body.
3. The power battery anti-theft system of claim 2, wherein the anti-theft lock structure comprises:
a locking plate provided with a bayonet;
when the anti-theft function is in an open state, the bayonet is inserted into the clamping groove, and when the anti-theft function is in a release state, the bayonet is separated from the clamping groove.
4. The power battery anti-theft system of claim 3, wherein the anti-theft lock structure further comprises:
the motor is connected with the vehicle control unit;
the motor receives an anti-theft function starting control signal output by the vehicle control unit and controls the locking plate to be inserted into the locking groove;
the motor is also used for receiving an anti-theft function removing control signal output by the vehicle control unit and controlling the locking plate to be separated from the clamping groove.
5. The power battery anti-theft system according to claim 4, wherein the vehicle control unit is further configured to receive an unlocking authorization signal sent by the vehicle body controller, and output the anti-theft function release control signal to the anti-theft lock structure according to a battery detachment signal triggered by a detachment control device, so as to control the anti-theft lock structure to be switched from the anti-theft function on state to the anti-theft function release state.
6. The power cell theft protection system according to claim 5, wherein said detachment control means comprises:
a battery maintenance mode start button arranged on a control screen in the automobile;
the Bluetooth transceiver is used for receiving the battery replacement information output by a user;
and the detector is used for maintaining and detecting the power battery.
7. The power battery anti-theft system according to claim 5, wherein the vehicle control unit is further configured to send a high voltage power-off command signal to a battery management system according to the battery disassembly signal.
8. The power battery anti-theft system according to claim 1, wherein the vehicle control unit is further configured to receive a disconnected high-voltage signal of a high-voltage relay output by the battery management system, and output the anti-theft function release control signal to the anti-theft lock structure according to the disconnected high-voltage signal, so as to control the anti-theft lock structure to switch from the anti-theft function on state to the anti-theft function release state.
9. The power battery anti-theft system according to claim 1, wherein when the anti-theft lock structure is in the anti-theft function release state, the vehicle control unit is configured to acquire a latch signal sent by the battery management system, output the anti-theft function opening control signal to the anti-theft lock structure, and control the anti-theft lock structure to switch from the anti-theft function release state to the anti-theft function opening state.
10. An automobile, characterized by comprising a power battery antitheft system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910308846.4A CN111824063B (en) | 2019-04-17 | 2019-04-17 | Power battery anti-theft system and car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910308846.4A CN111824063B (en) | 2019-04-17 | 2019-04-17 | Power battery anti-theft system and car |
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| Publication Number | Publication Date |
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| CN111824063A CN111824063A (en) | 2020-10-27 |
| CN111824063B true CN111824063B (en) | 2022-03-08 |
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| CN201910308846.4A Active CN111824063B (en) | 2019-04-17 | 2019-04-17 | Power battery anti-theft system and car |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622822A (en) * | 2020-12-29 | 2021-04-09 | 江苏吉麦新能源车业有限公司 | Vehicle anti-theft system |
| CN116238456A (en) * | 2023-03-20 | 2023-06-09 | 中国第一汽车股份有限公司 | Method and device for determining disassembly state of power battery, vehicle and storage medium |
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