CN109229058B - Intelligent anti-theft system for power battery pack for electric automobile - Google Patents
Intelligent anti-theft system for power battery pack for electric automobile Download PDFInfo
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- CN109229058B CN109229058B CN201811214837.0A CN201811214837A CN109229058B CN 109229058 B CN109229058 B CN 109229058B CN 201811214837 A CN201811214837 A CN 201811214837A CN 109229058 B CN109229058 B CN 109229058B
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- battery pack
- power battery
- remote monitor
- theft
- monitoring unit
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- 238000012544 monitoring process Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 11
- 230000000007 visual effect Effects 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 6
- 101000688543 Homo sapiens Shugoshin 2 Proteins 0.000 claims description 4
- 102100024238 Shugoshin 2 Human genes 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- YWXYYJSYQOXTPL-SLPGGIOYSA-N isosorbide mononitrate Chemical compound [O-][N+](=O)O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 YWXYYJSYQOXTPL-SLPGGIOYSA-N 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- 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
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
-
- 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
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/104—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device characterised by the type of theft warning signal, e.g. visual or audible signals with special characteristics
-
- 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
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
- B60R25/305—Detection related to theft or to other events relevant to anti-theft systems using a camera
-
- 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
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
- B60R25/33—Detection related to theft or to other events relevant to anti-theft systems of global position, e.g. by providing GPS coordinates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses an intelligent anti-theft system for a power battery pack of an electric automobile, which consists of a whole automobile controller (VCU), a Battery Management System (BMS), an anti-theft monitoring unit, a remote monitor (T-Box), a Body Controller (BCM), an acousto-optic warning unit video shooting unit and a background receiving terminal. The invention also discloses an implementation method of the intelligent anti-theft system of the power battery pack for the electric automobile. Through the scheme, the invention has the advantages of simple structure, simple monitoring flow, energy consumption reduction and the like, and has high practical value and popularization value in the technical field of safety theft prevention of new energy automobiles.
Description
Technical Field
The invention relates to the technical field of safety anti-theft of new energy automobiles, in particular to an intelligent anti-theft system of a power battery pack for an electric automobile.
Background
The power battery pack is used as an energy supply source of the new energy automobile, the battery core of the power battery pack generally adopts ternary lithium or lithium iron phosphate, and the value of the power battery pack in the whole automobile is more than half of the value of the power battery pack, in particular to a pure electric light truck. At present, intelligent anti-theft systems for power battery packs are not related to the market, namely, most of traditional power battery packs are theft-proof by adopting a mechanical lock, and the anti-theft safety performance is low.
Disclosure of Invention
Aiming at the problems, the invention aims to provide an intelligent anti-theft system for a power battery pack of an electric automobile, which adopts the following technical scheme:
the intelligent antitheft system for the power battery pack for the electric automobile comprises a whole automobile controller, a battery management system, an antitheft monitoring unit, a remote monitor, an automobile body controller, an acousto-optic warning unit and a video shooting unit.
The vehicle controller is respectively connected with the anti-theft monitoring unit and the battery management system, and is used for intensively detecting and controlling running parameters of the electric vehicle, acquiring charge and discharge states of the power battery pack and issuing high and low levels to the anti-theft monitoring unit.
The battery management system is arranged on the power battery pack, connected with the whole vehicle controller, and used for detecting the charge and discharge states of the power battery pack and carrying out charge and discharge state information interaction with the whole vehicle controller.
The anti-theft monitoring unit is arranged on the power battery pack, is respectively connected with the whole vehicle controller and the remote monitor, and receives the high-low level issued by the whole vehicle controller through the CAN bus to realize wake-up/sleep mode switching; the anti-theft monitoring unit comprises a GPS positioning chip which is arranged on the power battery pack, connected with the whole vehicle controller and used for acquiring the real-time position of the power battery pack, and a signal timer which is connected with the GPS positioning chip and used for triggering the GPS positioning chip to acquire the real-time position of the power battery pack at fixed time; the signal timer of the anti-theft monitoring unit is connected with the remote monitor and sends a power generation pressure wake-up signal instruction to the remote monitor.
The remote monitor is respectively connected with the anti-theft monitoring unit and the vehicle body controller and is used for receiving the real-time position of the power battery pack collected by the GPS positioning chip, receiving the voltage wake-up signal instruction issued by the signal timer of the anti-theft monitoring unit and issuing the audible and visual alarm instruction to the vehicle body controller.
The vehicle body controller is respectively connected with the remote monitor, the acousto-optic warning unit and the video shooting unit, and is used for receiving an acousto-optic warning instruction issued by the remote monitor, triggering the acousto-optic warning unit and the video shooting unit to start and forwarding the video image shot by the video shooting unit to the remote monitor.
The video shooting unit is arranged on the left and right outer rearview mirror assemblies of the automobile, faces the direction of the power battery pack and can shoot video images of the power battery pack.
Further, the intelligent anti-theft system for the power battery pack for the electric automobile further comprises a background receiving terminal which is respectively connected with the GPS positioning chip and the remote monitor and is used for receiving the real-time position of the GPS positioning chip and the video image shot by the video shooting unit; the background receiving terminal comprises a TSP service platform connected with the remote monitor and a mobile terminal connected with the TSP service platform.
Preferably, the GPS positioning chip is of the BCM47755 type.
Further, the signal timer includes a timer chip U1 with an OUT pin connected to the GPS positioning chip and a model LM555CM, a resistor R1 connected between a RET pin and a DIS pin of the timer chip U1, a resistor R2 connected between a DIS pin and a THR pin of the timer chip U1, a capacitor C1 connected between a THR pin and a GND pin of the timer chip U1, and a capacitor C2 connected between a CON pin and a GND pin of the timer chip U1; the TRI pin of the timer chip U1 is connected between the resistor R2 and the capacitor C1; the OUT pin of the signal timer is connected with the remote monitor to output a voltage wake-up signal instruction.
The implementation method of the intelligent antitheft system of the power battery pack for the electric automobile comprises the following steps:
when the electric automobile stops, the battery management system and the automobile body controller enter a sleep mode, and meanwhile, the whole automobile controller issues a high level to the anti-theft monitoring unit through the CAN bus before sleep so as to wake up the anti-theft monitoring unit.
The signal timer of the anti-theft monitoring unit issues a voltage wake-up signal instruction to the remote monitor at an interval T1, and when the remote monitor does not receive the voltage wake-up signal instruction within a time of T1 plus T2, the remote monitor is utilized to wake up the vehicle body controller, and the acousto-optic warning unit, the video shooting unit and the GPS positioning chip are started; and forwarding the real-time position acquired by the GPS positioning chip to the mobile terminal by using the remote monitor and the TSP service platform.
Further, the implementation method further comprises the steps that the vehicle body controller is utilized to forward the video image shot by the video shooting unit to the remote monitor and feed the video image back to the TSP service platform; and the owner checks the video image stored in the TSP service platform by using the mobile terminal.
Preferably, the T1 is less than 5min and the T2 is greater than 3s and less than 10s.
Still further, the implementation method further includes:
when the charge and discharge state information interaction exists between the whole vehicle controller and the battery management system, the electric vehicle is in a running or charge state, and the whole vehicle controller transmits a low level to the anti-theft monitoring unit so that the anti-theft monitoring unit is in a dormant mode.
Compared with the prior art, the invention has the following beneficial effects:
the anti-theft monitoring unit is skillfully arranged, so that the power battery pack for the electric automobile is monitored in a stolen mode, and the gap of the anti-theft monitoring of the power battery pack is filled. In addition, the state of the power battery pack after the electric automobile is powered down and stopped is judged through information interaction between the anti-theft monitoring unit and the remote monitoring instrument, and the design has the advantages that the energy consumption of a whole vehicle controller, a battery management system, the remote monitoring instrument, a vehicle body controller, an audible and visual warning unit and a video shooting unit in long-term electrification can be reduced while anti-theft monitoring is ensured, so that the power battery pack feeding phenomenon is effectively avoided. In conclusion, the invention has the advantages of simple structure, simple monitoring flow, energy consumption reduction and the like, and has high practical value and popularization value in the technical field of safety theft prevention of new energy automobiles.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope of protection, and other related drawings may be obtained according to these drawings without the need of inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of a signal timer circuit according to the present invention.
Description of the embodiments
For the purposes, technical solutions and advantages of the present application, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
Examples
As shown in fig. 1 to 2, the present embodiment provides an intelligent anti-theft system for a power battery pack of an electric vehicle, which is composed of a whole Vehicle Controller (VCU), a Battery Management System (BMS), an anti-theft monitoring unit, a remote monitor (T-Box), a vehicle Body Controller (BCM), an acousto-optic warning unit video shooting unit and a background receiving terminal. The vehicle controller is respectively connected with the anti-theft monitoring unit and the battery management system, and is used for intensively detecting and controlling running parameters of the electric vehicle, acquiring charge and discharge states of the power battery pack and issuing high and low levels to the anti-theft monitoring unit. The battery management system is arranged on the power battery pack, connected with the whole vehicle controller, and used for detecting the charge and discharge states of the power battery pack and carrying out charge and discharge state information interaction with the whole vehicle controller. The anti-theft monitoring unit is arranged on the power battery pack, is respectively connected with the whole vehicle controller and the remote monitor, and receives the high-low level issued by the whole vehicle controller through the CAN bus to realize wake-up/sleep mode switching. The anti-theft monitoring unit comprises a GPS positioning chip which is arranged on the power battery pack, connected with the whole vehicle controller and used for acquiring the real-time position of the power battery pack and has the model of BCM47755, and a signal timer which is connected with the GPS positioning chip and used for triggering the GPS positioning chip to acquire the real-time position of the power battery pack at fixed time; the signal timer of the anti-theft monitoring unit is connected with the remote monitor and sends a power generation pressure wake-up signal instruction to the remote monitor. The remote monitor is respectively connected with the anti-theft monitoring unit and the vehicle body controller and is used for receiving the real-time position of the power battery pack acquired by the GPS positioning chip, receiving the voltage wake-up signal instruction issued by the signal timer of the anti-theft monitoring unit and issuing an audible and visual alarm instruction to the vehicle body controller. The vehicle body controller is respectively connected with the remote monitor, the audible and visual warning unit and the video shooting unit and is used for receiving an audible and visual warning instruction issued by the remote monitor, triggering the audible and visual warning unit and the video shooting unit to start and forwarding the video image shot by the video shooting unit to the remote monitor. The video shooting unit is arranged on the left and right outer rearview mirror assemblies of the automobile, faces the direction of the power battery pack and can shoot video images of the power battery pack. The background receiving terminal is respectively connected with the GPS positioning chip and the remote monitor and used for receiving the real-time position of the GPS positioning chip and the video image shot by the video shooting unit. The background receiving terminal comprises a TSP service platform connected with the remote monitor and a mobile terminal connected with the TSP service platform.
In this embodiment, the signal timer includes a timer chip U1 with an OUT pin connected to the GPS positioning chip and model LM555CM, a resistor R1 connected between the RET pin and the DIS pin of the timer chip U1, a resistor R2 connected between the DIS pin and the THR pin of the timer chip U1, a capacitor C1 connected between the THR pin and the GND pin of the timer chip U1, and a capacitor C2 connected between the CON pin and the GND pin of the timer chip U1. The TRI pin of the timer chip U1 is connected between the resistor R2 and the capacitor C1, and the OUT pin of the signal timer is connected with the remote monitor to output a voltage wake-up signal instruction. The TRI pin of the timer chip U1 is connected between the resistor R2 and the capacitor C1. The oscillation period can be preset by the magnitudes of the resistors R1, R2 and the capacitor C.
The implementation method of the intelligent antitheft system of the power battery pack for the electric automobile is briefly described below:
when the electric automobile is in a running or charging state, real-time communication messages and life cycle signals (namely charge and discharge state information) are exchanged between the whole automobile controller and the battery management system, and low level is issued to the anti-theft monitoring unit through the whole automobile controller, so that the anti-theft monitoring unit is in a dormant mode. At this time, the position of the electric automobile is positioned by using the GPS positioning chip and is sent to the remote monitor, and the automobile owner can be connected with the TSP service platform by using the mobile terminal and check the position of the electric automobile.
When the electric automobile stops, the battery management system, the remote monitor and the automobile body controller enter a sleep mode, and meanwhile, the whole automobile controller issues a high level to the anti-theft monitoring unit through the CAN bus before sleep so as to wake up the anti-theft monitoring unit.
The anti-theft monitoring unit issues a voltage wake-up signal instruction to the remote monitor at intervals of 3min, and when the remote monitor does not receive the voltage wake-up signal instruction within 3min+10s, the T-Box considers that the low-voltage communication wire harness of the power battery pack is cut off and the power battery pack is stolen. The remote monitor is utilized to wake up the vehicle body controller, and the audible and visual warning unit, the video shooting unit and the GPS positioning chip are started. The video shooting unit shoots a video image of the area where the power battery pack is located. And transmitting the real-time positions acquired by the video image and the GPS positioning chip to the TSP service platform, and transmitting the real-time positions acquired by the video image and the GPS positioning chip to the mobile terminal (namely the mobile phone) by the TSP service platform.
The invention skillfully utilizes the timing to issue the voltage wake-up signal and judges whether the voltage wake-up signal is received in the preset time so as to realize the anti-theft detection of the battery pack. Through the scheme, the invention has the advantages of simple detection mode, low input cost, energy consumption saving and the like, and compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and has wide market prospect in the technical field of safety and theft prevention of new energy automobiles.
The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention, but all changes made by adopting the design principle of the present invention and performing non-creative work on the basis thereof shall fall within the scope of the present invention.
Claims (7)
1. The intelligent anti-theft system for the power battery pack for the electric automobile is characterized by comprising a whole automobile controller, a battery management system, an anti-theft monitoring unit, a remote monitor, an automobile body controller, an acousto-optic warning unit and a video shooting unit;
the whole vehicle controller is respectively connected with the anti-theft monitoring unit and the battery management system, and is used for intensively detecting and controlling running parameters of the electric vehicle, acquiring charge and discharge states of the power battery pack and issuing high and low levels to the anti-theft monitoring unit;
the battery management system is arranged on the power battery pack, connected with the whole vehicle controller, and used for detecting the charge and discharge states of the power battery pack and carrying out charge and discharge state information interaction with the whole vehicle controller;
the anti-theft monitoring unit is arranged on the power battery pack, is respectively connected with the whole vehicle controller and the remote monitor, and receives the high-low level issued by the whole vehicle controller through the CAN bus to realize wake-up/sleep mode switching; the anti-theft monitoring unit comprises a GPS positioning chip which is arranged on the power battery pack, connected with the whole vehicle controller and used for acquiring the real-time position of the power battery pack, and a signal timer which is connected with the GPS positioning chip and used for triggering the GPS positioning chip to acquire the real-time position of the power battery pack at fixed time; the signal timer of the anti-theft monitoring unit is connected with the remote monitor and sends a power generation pressure wake-up signal instruction to the remote monitor;
the remote monitor is respectively connected with the anti-theft monitoring unit and the vehicle body controller and is used for receiving the real-time position of the power battery pack collected by the GPS positioning chip, receiving a voltage wake-up signal instruction issued by the signal timer of the anti-theft monitoring unit and issuing an audible and visual alarm instruction to the vehicle body controller;
the vehicle body controller is respectively connected with the remote monitor, the sound-light warning unit and the video shooting unit, and is used for receiving sound-light warning instructions issued by the remote monitor, triggering the sound-light warning unit and the video shooting unit to start and forwarding video images shot by the video shooting unit to the remote monitor;
the video shooting unit is arranged on the left and right outer rearview mirror assemblies of the automobile, faces the direction of the power battery pack and can shoot video images of the power battery pack;
the implementation method of the intelligent antitheft system of the power battery pack for the electric automobile comprises the following steps:
when the electric automobile is powered down and stopped, the battery management system and the automobile body controller enter a sleep mode, and meanwhile, the whole automobile controller issues a high level to the anti-theft monitoring unit through the CAN bus before sleep so as to wake up the anti-theft monitoring unit;
the signal timer of the anti-theft monitoring unit issues a voltage wake-up signal instruction to the remote monitor at an interval T1, and when the remote monitor does not receive the voltage wake-up signal instruction within a time of T1 plus T2, the remote monitor is utilized to wake up the vehicle body controller, and the acousto-optic warning unit, the video shooting unit and the GPS positioning chip are started; and forwarding the real-time position acquired by the GPS positioning chip to the mobile terminal by using the remote monitor and the TSP service platform.
2. The intelligent anti-theft system for a power battery pack for an electric vehicle according to claim 1, further comprising a background receiving terminal connected with the GPS positioning chip and the remote monitor, respectively, for receiving the real-time position of the GPS positioning chip and the video image shot by the video shooting unit; the background receiving terminal comprises a TSP service platform connected with the remote monitor and a mobile terminal connected with the TSP service platform.
3. The intelligent anti-theft system for a power battery pack for an electric vehicle according to claim 2, wherein the GPS positioning chip is of BCM47755.
4. The intelligent anti-theft system for a power battery pack for an electric vehicle according to claim 3, wherein the signal timer comprises a timer chip U1 with an OUT pin connected with a GPS positioning chip and a model LM555CM, a resistor R1 connected between a RET pin and a DIS pin of the timer chip U1, a resistor R2 connected between the DIS pin and the THR pin of the timer chip U1, a capacitor C1 connected between the THR pin and the GND pin of the timer chip U1, and a capacitor C2 connected between a CON pin and the GND pin of the timer chip U1; the TRI pin of the timer chip U1 is connected between the resistor R2 and the capacitor C1; the OUT pin of the signal timer is connected with the remote monitor to output a voltage wake-up signal instruction.
5. The intelligent anti-theft system for a power battery pack for an electric vehicle according to claim 1, further comprising forwarding a video image photographed by the video photographing unit to a remote monitor by using a vehicle body controller, and feeding back to a TSP service platform; and the owner checks the video image stored in the TSP service platform by using the mobile terminal.
6. The intelligent anti-theft system for a power battery pack for an electric vehicle according to claim 5, wherein T1 is less than 5min, and T2 is greater than 3s and less than 10s.
7. The intelligent anti-theft system for a power battery pack for an electric vehicle according to claim 1, further comprising:
when the charge and discharge state information interaction exists between the whole vehicle controller and the battery management system, the electric vehicle is in a running or charge state, and the whole vehicle controller transmits a low level to the anti-theft monitoring unit so that the anti-theft monitoring unit is in a dormant mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214837.0A CN109229058B (en) | 2018-10-18 | 2018-10-18 | Intelligent anti-theft system for power battery pack for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811214837.0A CN109229058B (en) | 2018-10-18 | 2018-10-18 | Intelligent anti-theft system for power battery pack for electric automobile |
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| CN109229058A CN109229058A (en) | 2019-01-18 |
| CN109229058B true CN109229058B (en) | 2024-02-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109888418B (en) * | 2019-04-16 | 2024-06-04 | 山东圣阳电源股份有限公司 | Lithium ion battery anti-theft device and system |
| CN110233775A (en) * | 2019-05-29 | 2019-09-13 | 惠州拓邦电气技术有限公司 | IOT plate, the BMS in battery pack and battery pack guard method and system |
| CN110703100B (en) * | 2019-10-17 | 2021-11-16 | 河南电池研究院有限公司 | Full life cycle remote monitering system of power lithium cell |
| CN113619525A (en) * | 2021-08-30 | 2021-11-09 | 惠州市德赛西威汽车电子股份有限公司 | Vehicle anti-theft system and method based on millimeter wave radar and vehicle-mounted TBOX |
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