CN208947271U - A kind of Anti-dismantling alarm device of electric vehicle anti-theft terminal - Google Patents
A kind of Anti-dismantling alarm device of electric vehicle anti-theft terminal Download PDFInfo
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- CN208947271U CN208947271U CN201821596005.5U CN201821596005U CN208947271U CN 208947271 U CN208947271 U CN 208947271U CN 201821596005 U CN201821596005 U CN 201821596005U CN 208947271 U CN208947271 U CN 208947271U
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Abstract
The utility model provides a kind of Anti-dismantling alarm device of electric vehicle anti-theft terminal, it includes master controller, main power voltage Acquisition Circuit, main secondary power switching circuit, key-press status detection circuit, wireless communication module and customer mobile terminal；The main power voltage Acquisition Circuit acquires the voltage value of theft-proof terminal main power source in real time；The key-press status detection circuit, the level state of real-time capture button；Warning message is sent to the customer mobile terminal according to the voltage value of real-time theft-proof terminal main power source or the level state of key by the master controller；The main secondary power switching circuit is used to provide power supply for the theft-proof terminal and the Anti-dismantling alarm device；The customer mobile terminal receives the warning message that the master controller is sent.The utility model has the advantages that design science, practical, detection efficiency is high, production cost is low and the quality of production is reliable.
Description
Technical field
The utility model relates to electric vehicle anti-theft technical fields, specifically, relate to a kind of electric vehicle anti-theft terminal
Anti-dismantling alarm device.
Background technique
Electric vehicle anti-theft terminal is a kind of important setting for monitoring electronic truck position and status information, protection electric vehicle safety
It is standby, once user has found that the electric vehicle of oneself is lost, can be carried out according to electric vehicle of the data that theft-proof terminal is passed back to loss
Tracking helps user to recover the electric vehicle of oneself loss.
But theft-proof terminal is removed or theft-proof terminal is opened destruction from vehicle after if burglary occurs, in this way
Equipment can not just work on；If the window phase uploaded when theft-proof terminal is split just at device data, does not count at this time
According to upload, user just can not receive newest data.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of design science, practical, inspection
Survey that high-efficient, production cost is low and the Anti-dismantling alarm device of the reliable electric vehicle anti-theft terminal of the quality of production.
To achieve the goals above, the technical scheme adopted by the utility model is a kind of electric vehicle anti-theft terminal is prevented
It tears warning device open, is applied to electric vehicle anti-theft terminal, the electric vehicle anti-theft terminal includes for acquiring theft-proof terminal position in real time
The GPS chip of confidence breath, the Anti-dismantling alarm device include master controller, main power voltage Acquisition Circuit, main power supply switching electricity
Road, key-press status detection circuit, wireless communication module and customer mobile terminal；
The main power voltage Acquisition Circuit, is connected with the master controller, for acquiring theft-proof terminal main power source in real time
Voltage value, and be transmitted to the master controller；
The key-press status detection circuit, is connected with the master controller, and the level state for real-time capture button is simultaneously
It is transmitted to the master controller；
The master controller will be reported according to the voltage value of real-time theft-proof terminal main power source or the level state of key
Alert information is sent to the customer mobile terminal；
The main secondary power switching circuit is connected with main power source, backup power source and the master controller, for being described anti-
It steals terminal and the Anti-dismantling alarm device provides power supply；
The customer mobile terminal is connected, for receiving with master controller communication by the wireless communication module
The warning message that the master controller is sent.
Based on above-mentioned, the main power voltage Acquisition Circuit includes resistance R4, resistance R7 and capacitor C5；The resistance R4 mono-
End connection theft-proof terminal main power source, the other end connect the master controller；After the resistance R7 and capacitor C5 is connected in parallel,
One end connects the other end of the resistance R4, and the other end is connected with ground terminal.
Based on above-mentioned, the main secondary power switching circuit includes field-effect tube Q1, resistance R6 and diode D4；The field effect
Should the grid of pipe Q1 be connected respectively with the anode of main power source, the one end the resistance R6 and the diode D4, the field-effect tube
The source electrode of Q1 is connected with backup power source, and the drain electrode of the field-effect tube Q1 is connected with the cathode of the diode D4；The resistance
The R6 other end is connected with ground terminal.
Based on above-mentioned, the key-press status detection circuit include key K1, key K2, key K3, resistance R1, resistance R2 and
Resistance R3；The one end the key K1 is connected with ground terminal, and the other end is connected by the resistance R3 with power end；The key K2
One end is connected with ground terminal, and the other end is connected by the resistance R2 with power end；The one end the key K3 is connected with ground terminal,
The other end is connected by the resistance R1 with power end；The key K1, the key K2, the key K3 the other end also with
The master controller is connected.
Based on above-mentioned, the key K1, the key K2 and key K3 are arranged in the shell of electric vehicle anti-theft terminal.
Based on above-mentioned, the wireless communication module uses GPRS wireless communication module.
Based on above-mentioned, the master controller uses STM32 series monolithic.
The utility model has substantive features and progress compared with the prior art, and specifically, the utility model provides
A kind of Anti-dismantling alarm device of electric vehicle anti-theft terminal, including the switching of master controller, main power voltage Acquisition Circuit, main power supply
Circuit, key-press status detection circuit, wireless communication module and customer mobile terminal, the master controller, according to antitheft in real time
Warning message is sent to the customer mobile terminal by the voltage value of terminal main power source or the level state of key.
The utility model solves that theft-proof terminal is removed from vehicle or theft-proof terminal is opened destruction, caused antitheft
The technical issues of current location information and status information can not be issued user by terminal；
In conclusion the utility model has design science, practical, detection efficiency is high, production cost is low and production
The advantages of reliable in quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the Anti-dismantling alarm device of the utility model.
Fig. 2 is the structural schematic diagram of the main power voltage Acquisition Circuit of the utility model.
Fig. 3 is the structural schematic diagram of the main secondary power switching circuit of the utility model.
Fig. 4 is the structural schematic diagram of the key-press status detection circuit of the utility model.
Fig. 5 is the key scheme of installation of the utility model.
Fig. 6 is the schematic diagram of the wireless communication module part of the utility model.
Fig. 7 is the broad flow diagram of the theft-proof terminal main power source power alarm of the utility model.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
Embodiment 1
As shown in attached drawing 1-7, a kind of Anti-dismantling alarm device of electric vehicle anti-theft terminal is applied to electric vehicle anti-theft terminal,
The electric vehicle anti-theft terminal includes the GPS chip for acquiring theft-proof terminal location information in real time, the Anti-dismantling alarm device packet
Include master controller, main power voltage Acquisition Circuit, main secondary power switching circuit, key-press status detection circuit, wireless communication module
And customer mobile terminal；The main power voltage Acquisition Circuit, is connected with the master controller, for acquiring theft-proof terminal in real time
The voltage value of main power source, and it is transmitted to the master controller；The key-press status detection circuit, is connected with the master controller,
For real-time capture button level state and be transmitted to the master controller；The master controller, according to real-time antitheft end
The voltage value of main power source or the level state of key are held, warning message is sent to the customer mobile terminal；It is described active and standby
Power supply switch circuit is connected with main power source, backup power source and the master controller, for being the theft-proof terminal and the tamper report
Alarm device provides power supply；The customer mobile terminal is connected by the wireless communication module with the master controller, is used
In the warning message for receiving the master controller transmission.
The warning message includes the current location information of electric vehicle and theft-proof terminal status information, the current position of electric vehicle
Confidence breath is obtained by the GPS chip in electric vehicle anti-theft terminal, when sending warning message, the current location information of electric vehicle
User is passed to by the master controller, the wireless communication module and the customer mobile terminal.
The theft-proof terminal status information includes main power source off-position and shell disassembled state.
The main power voltage Acquisition Circuit acquires the voltage value of theft-proof terminal main power source in real time, if the voltage value is not
Zero, and voltage value changing value within the unit time is less than preset value, then determines that the theft-proof terminal status information is non-for main power source
Off-position does not trigger theft-proof terminal main power source power alarm；
If the voltage value real-time monitored is zero or voltage value changing value within the unit time is more than preset value,
Determine that the theft-proof terminal status information for main power cut-off state, triggers theft-proof terminal main power source power alarm, by electric vehicle
Current location information and theft-proof terminal status information is transmitted to customer mobile terminal, and the power supply of the theft-proof terminal is automatic
It is switched to backup power source.
The level state of the real-time capture button of key-press status detection circuit, if real-time monitoring key-press status as high electricity
Flat number of keys is more than key preset value, then the theft-proof terminal status information is shell disassembled state, triggers theft-proof terminal
Shell is opened alarm, and the current location information of electric vehicle and theft-proof terminal status information are transmitted to customer mobile terminal；
Otherwise, it is determined that the theft-proof terminal status information is the non-disassembled state of shell, it is split that theft-proof terminal shell is not triggered
Open alarm.
Specifically, each detection cycle judges main power voltage value, if main power source state is not power off
System continues to work normally, and does not trigger theft-proof terminal main power source power alarm；When main power source powers off, theft-proof terminal is automatically switched to
Backup power source power supply, to keep system worked well, and triggers theft-proof terminal main power source power alarm, while by current electric vehicle
Location information and status information be sent to user.User is assured that theft-proof terminal has been removed at this time.
Specifically, the master controller uses STM32 series monolithic.As shown in Fig. 6, the wireless communication module is adopted
With GPRS wireless communication module or nb-iot wireless communication module.The wireless communication module is connected with the master controller,
Connection is established by operator base station and platform of internet of things and user's mobile device, warning message is sent to user's movement and is set
It is standby.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: this gives the specific realities of main power voltage Acquisition Circuit
Mode is applied, as shown in Fig. 2, the main power voltage Acquisition Circuit includes resistance R4, resistance R7 and capacitor C5；The resistance R4
One end connects theft-proof terminal main power source, and the other end connects the master controller；The resistance R7 and the capacitor C5 are connected in parallel
Afterwards, one end connects the other end of the resistance R4, and the other end is connected with ground terminal.
The present embodiment gives the specific embodiment of main secondary power switching circuit, as shown in Fig. 3, the active and standby electricity
Source switching circuit includes field-effect tube Q1, resistance R6 and diode D4；The grid G of the field-effect tube Q1 respectively with main power source,
The one end the resistance R6 is connected with the anode of the diode D4, and the source S of the field-effect tube Q1 is connected with backup power source, institute
The drain D for stating field-effect tube Q1 is connected with the cathode of the diode D4；The resistance R6 other end is connected with ground terminal.Work as master
When power supply is disconnected, the grid G of the field-effect tube Q1 connects low level, and the diode D4 is in off state, the field effect
Should pipe Q1 it is in the conductive state, the power supply of the theft-proof terminal automatically switches to backup power source；When main power source is not disconnected
When, the grid G of the field-effect tube Q1 connects high level, and the diode D4 is in the conductive state, and the field-effect tube Q1 is in
The power supply of off state, the theft-proof terminal is main power source, and backup power source does not work.
Embodiment 3
The present embodiment the difference from embodiment 1 is that: this gives the specific implementations of key-press status detection circuit
Mode, as shown in Fig. 4, the key-press status detection circuit include key K1, key K2, key K3, resistance R1, resistance R2 and
Resistance R3；The one end the key K1 is connected with ground terminal, and the other end is connected by the resistance R3 with power end；The key K2
One end is connected with ground terminal, and the other end is connected by the resistance R2 with power end；The one end the key K3 is connected with ground terminal,
The other end is connected by the resistance R1 with power end；The key K1, the key K2, the key K3 the other end also with
The master controller is connected.
As shown in Fig. 5,3 keys, the level of key described in real-time monitoring are set in the shell of electric vehicle anti-theft terminal
State；If real-time monitoring two or more key-press status is high level, determine that the shell of theft-proof terminal is to dismantle
State, triggering theft-proof terminal shell are opened alarm.
Key installation site: each a length of L of key.The pros that a side length is L are respectively drawn in the shell lower left corner and the upper right corner
Shape, the center key A are overlapped with upper right corner square vertices, and the center key B is overlapped with theft-proof terminal central axes center, key C with
Lower left corner square vertices are overlapped.
Each key one end is grounded, and is connected after the external pull-up resistor of the other end with master controller.After key is pressed,
The level state of the corresponding master controller pin of key can be got higher by low, a rising edge occur, trigger master controller rising edge
It interrupts, judges the state of three keys again inside interrupt service routine.If two of them or more than two keys are all
High level, it was demonstrated that theft-proof terminal shell is opened, and just triggers theft-proof terminal main power source power alarm immediately；If only one key
It is high level, then it is assumed that shell is not opened, and does not trigger theft-proof terminal main power source power alarm.Under normal condition, allow one
The state of a key is high level, is thus in order to avoid shell is in the operating condition because of false triggering report caused by other reasons
It is alert.
Key-press status processing method: 0 is low level, and 1 is high level.
When monitor by key level there are two and it is more than two for height, turn out theft-proof terminal shell and be opened, when
Shell is opened, and triggers theft-proof terminal main power source power alarm, while can push away the location information of theft-proof terminal and status information
Give user.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (7)
1. a kind of Anti-dismantling alarm device of electric vehicle anti-theft terminal, is applied to electric vehicle anti-theft terminal, the electric vehicle anti-theft is whole
End includes the GPS chip for acquiring theft-proof terminal location information in real time, it is characterised in that: the Anti-dismantling alarm device includes master control
Device, main power voltage Acquisition Circuit, main secondary power switching circuit, key-press status detection circuit, wireless communication module and user processed
Mobile terminal；
The main power voltage Acquisition Circuit, is connected with the master controller, for acquiring the electricity of theft-proof terminal main power source in real time
Pressure value, and it is transmitted to the master controller；
The key-press status detection circuit, is connected with the master controller, level state and transmission for real-time capture button
To the master controller；
The master controller, according to the voltage value of real-time theft-proof terminal main power source or the level state of key, by alarm signal
Breath is sent to the customer mobile terminal；
The main secondary power switching circuit is connected with main power source, backup power source and the master controller, for being the antitheft end
End and the Anti-dismantling alarm device provide power supply；
The customer mobile terminal is connected by the wireless communication module with master controller communication, described for receiving
The warning message that master controller is sent.
2. the Anti-dismantling alarm device of electric vehicle anti-theft terminal according to claim 1, it is characterised in that: the main power source electricity
Pressing Acquisition Circuit includes resistance R4, resistance R7 and capacitor C5；The one end the resistance R4 connects theft-proof terminal main power source, and the other end connects
Connect the master controller；After the resistance R7 and capacitor C5 is connected in parallel, one end connects the other end of the resistance R4, separately
One end is connected with ground terminal.
3. the Anti-dismantling alarm device of electric vehicle anti-theft terminal according to claim 1, it is characterised in that: the main power supply
Switching circuit includes field-effect tube Q1, resistance R6 and diode D4；The grid of the field-effect tube Q1 respectively with main power source, described
The one end resistance R6 is connected with the anode of the diode D4, and the source electrode of the field-effect tube Q1 is connected with backup power source, the field
The drain electrode of effect pipe Q1 is connected with the cathode of the diode D4；The resistance R6 other end is connected with ground terminal.
4. the Anti-dismantling alarm device of electric vehicle anti-theft terminal according to claim 1, it is characterised in that: the key-press status
Detection circuit includes key K1, key K2, key K3, resistance R1, resistance R2 and resistance R3；The one end the key K1 and ground terminal
It is connected, the other end is connected by the resistance R3 with power end；The one end the key K2 is connected with ground terminal, and the other end passes through institute
Resistance R2 is stated to be connected with power end；The one end the key K3 is connected with ground terminal, and the other end passes through the resistance R1 and power end
It is connected；The key K1, the key K2, the key K3 the other end be also connected with the master controller.
5. the Anti-dismantling alarm device of electric vehicle anti-theft terminal according to claim 4, it is characterised in that: the key K1,
The key K2 and key K3 are arranged in the shell of electric vehicle anti-theft terminal.
6. the Anti-dismantling alarm device of electric vehicle anti-theft terminal according to claim 1, it is characterised in that: the wireless communication
Module uses GPRS wireless communication module.
7. the Anti-dismantling alarm device of electric vehicle anti-theft terminal according to claim 1, it is characterised in that: the master controller
Using STM32 series monolithic.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596005.5U CN208947271U (en) | 2018-09-29 | 2018-09-29 | A kind of Anti-dismantling alarm device of electric vehicle anti-theft terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596005.5U CN208947271U (en) | 2018-09-29 | 2018-09-29 | A kind of Anti-dismantling alarm device of electric vehicle anti-theft terminal |
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| CN208947271U true CN208947271U (en) | 2019-06-07 |
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| CN201821596005.5U Active CN208947271U (en) | 2018-09-29 | 2018-09-29 | A kind of Anti-dismantling alarm device of electric vehicle anti-theft terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112861124A (en) * | 2021-02-01 | 2021-05-28 | 中国银联股份有限公司 | Terminal anti-intrusion detection method and device |
-
2018
- 2018-09-29 CN CN201821596005.5U patent/CN208947271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112861124A (en) * | 2021-02-01 | 2021-05-28 | 中国银联股份有限公司 | Terminal anti-intrusion detection method and device |
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