CN206307182U - A kind of non-motor vehicle parking anti-theft prewarning system - Google Patents
A kind of non-motor vehicle parking anti-theft prewarning system Download PDFInfo
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- CN206307182U CN206307182U CN201621361349.9U CN201621361349U CN206307182U CN 206307182 U CN206307182 U CN 206307182U CN 201621361349 U CN201621361349 U CN 201621361349U CN 206307182 U CN206307182 U CN 206307182U
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Abstract
The utility model provides a kind of non-motor vehicle parking anti-theft prewarning system, belongs to antitheft field, including controller circuitry, infrared induction circuit, warning circuit, pressure detection circuit, analog to digital conversion circuit, display circuit and power circuit.The output end of the infrared induction circuit is connected with controller circuitry；The input of the warning circuit is connected with controller circuitry；The output end of the pressure detection circuit is connected with the input of analog to digital conversion circuit；The output end of analog-digital conversion circuit as described is connected with controller circuitry；The input of the display circuit is connected with controller circuitry；The power circuit input is connected with the dc source of non-motor vehicle；The output end of the power circuit is connected charging with controller circuitry.
Description
Technical field
The utility model is related to antitheft field, more particularly to a kind of non-motor vehicle parking anti-theft prewarning system.
Background technology
Under congested in traffic situation now, the main walking-replacing tool of people is non-motor vehicle, domestic at present existing
Team is researching and developing similar non-motor vehicle guard against theft and alarm system, such as:Jiangsu University of Science and Technology proposes electric motor car key within 2009
Spoon forgets reminder device, and key plug state is detected compared with complicated circuit by increasing, while coordinating pressure sensor to realize
Reminding of not pulling out key of electric vehicle lock function.Zhang Yawei in 2012 is proposed and opened by increasing circuit at the support of electric bicycle
Close, realize being not turned off after stopping the voice prompt function of key.Gao Qingzhe carries out mechanical structure on foregoing circuit basis within 2014
Renewal, contactor is installed by under the lateral spring of non-motor vehicle two, realize that people leaves the function of alarming after car.
The above method largely can effectively realize that people leaves warning effect after car, but all more or less circuit structure is complicated
Property or non-maneuver mechanical fixings break down when exist alarm failure conditions.
Further to improve existing its function of non-motor vehicle guard against theft and alarm system, this project will simplify circuit structure and not change
Become non-maneuver structure.
Utility model content
For above-mentioned deficiency, the utility model provides a kind of non-motor vehicle parking anti-theft prewarning system.
The utility model solves the above problems by the following technical programs：
A kind of non-motor vehicle parking anti-theft prewarning system, including controller circuitry, infrared induction circuit, warning circuit, pressure
Power detection circuit, analog to digital conversion circuit, display circuit and power circuit；
The output end of the infrared induction circuit is connected with controller circuitry；The input and controller of the warning circuit
Circuit is connected；The output end of the pressure detection circuit is connected with the input of analog to digital conversion circuit；Analog-digital conversion circuit as described
Output end be connected with controller circuitry；The input of the display circuit is connected with controller circuitry；The power circuit is defeated
Enter end to be connected with the dc source of non-motor vehicle；The output end of the power circuit is connected charging with controller circuitry.
In such scheme, preferably infrared induction circuit includes infrared emission tube and infrared receiving tube；It is described infrared
Line transmitting tube is connected with power circuit output end, and the infrared receiving tube is connected with controller circuitry input.
In such scheme, preferably pressure detection circuit includes spring beam, adhesive and foil gauge, the foil gauge
Output end is connected with analog to digital conversion circuit；The foil gauge is double pressure-strain pieces；The foil gauge is arranged on cushion lower end.
In such scheme, preferably power circuit includes step-down chip and switching tube；The step-down chip uses model
It is the step-down chip of LM5085；The switching tube is the switching tube of LM5088 using signal.
In such scheme, preferably display circuit uses the display screen of model LCD1602.Advantage of the present utility model
It is with effect：
The utility model provides a kind of non-motor vehicle parking anti-theft prewarning system, is not changing the electromechanical knot of existing non-motor vehicle
In the case of structure, by infrared circuit and double pressure detection circuits, can effectively realize that people leaves the function of being alarmed after car；Use
Double pressure detection circuits adapt to the pressure detecting of different building shape and different sitting posture people, can avoid check frequency；Infrared circuit
Take reception to pipe, detection circuit is simple, and mechanical tapping area is small, is adapted to fit, it is possible to decrease car starts vibration or mechanical breakdown
When influence to its infrared circuit.
Brief description of the drawings
Fig. 1 is the utility model system block diagram.
Specific embodiment
The utility model is described in further detail with reference to embodiments.
A kind of non-motor vehicle parking anti-theft prewarning system, as shown in figure 1, including controller circuitry, infrared induction circuit, report
Alert circuit, pressure detection circuit, analog to digital conversion circuit, display circuit and power circuit.
The output end of the infrared induction circuit is connected with controller circuitry；The input and controller of the warning circuit
Circuit is connected；The output end of the pressure detection circuit is connected with the input of analog to digital conversion circuit；Analog-digital conversion circuit as described
Output end be connected with controller circuitry；The input of the display circuit is connected with controller circuitry；The power circuit is defeated
Enter end to be connected with the dc source of non-motor vehicle；The output end of the power circuit is connected charging with controller circuitry.
The function of double pressure detection circuits is the change of pressure to be converted to the change of resistance value.Pressure sensor is by electricity
What conducting bridge was constituted, encouraged by external voltage.It is the adhesive by spring beam, several parts compositions, the foil gauge such as foil gauge
Installed in cushion lower end..Pressure can cause sensor internal spring beam to change in shape.Understand after deformation and stick in
Foil gauge together is had an effect.Now, after certain activation voltage, will after foil gauge internal measurement processing of circuit
One weaker analog voltage signal of output.
Described analog-digital converter employs HX711 chips, and HX711 chip advantages are more, for example：Integrated level is very high,
Response is fast, jamproof ability is strong etc..Not only can be with reduced cost using HX711, moreover it is possible to improving performance and stability.
The infrared induction circuit includes infrared emission tube and infrared receiving tube；The infrared emission tube and power supply electricity
Road output end is connected, and the infrared receiving tube is connected with controller circuitry input.Infrared induction circuit takes reception to pipe, its
Whether function is onboard to judge non-motor vehicle key, when non-motor vehicle key onboard when, infrared receiving tube can not receive letter
Number, when non-motor vehicle key not onboard when, infrared receiving tube can receive signal, to governor circuit return information, governor circuit
Subsequent command is performed according to return signal.
The power circuit includes step-down chip and switching tube；The step-down chip uses the step-down core of model LM5085
Piece；The switching tube is the switching tube of LM5088 using signal.Input connects the dc source of non-motor vehicle（Usually 48v-
60v）, the voltage of the output end of power circuit drops to 5V DC voltages, power output end and master control by tens volts of DC voltage
Circuit connection power supply.
Workflow of the present utility model：
The power supply of system is directly from non-motor vehicle storage battery power taking, after being processed through power voltage step down, output to governor circuit, system
Start working.
If not on non-motor vehicle, i.e., infrared tube is not blocked key, system thinks non-motor vehicle key accordingly
Not on non-motor vehicle, now infrared circuit continuous firing, but pressure sensor circuit and warning circuit do not work（Safe mould
Formula）.
If key is on non-motor vehicle, i.e., infrared tube is blocked by key, and system then thinks non-motor vehicle key accordingly
Still on non-motor vehicle, now infrared circuit continuous firing, warning circuit does not work, and pressure sensor circuit and display circuit are vertical
Start working, analog signal is amplified and is converted into digital letter by pressure sensor circuit Real-time Collection pressure, analog-digital converter
Number, output to governor circuit, LCD1602 display circuits output real-time pressure value.If the pressure that pressure sensor circuit is sensed
Power is more than threshold pressure, then system thinks people on non-motor vehicle accordingly, even if now key is on non-motor vehicle, warning circuit
Do not work still, infrared circuit continuous firing, pressure sensor circuit and display circuit continuous firing（Vigilant pattern）.If system
In safe mode, as long as key is on non-motor vehicle, system enters vigilant pattern by safe mode immediately.If system is in
Vigilant pattern, people pulls out non-motor vehicle key, then system returns to safe mode by vigilant pattern immediately.
If key is on non-motor vehicle, i.e., infrared tube is blocked by key, and system then thinks non-motor vehicle key accordingly
Still on non-motor vehicle, now infrared circuit continuous firing, warning circuit does not work, and pressure sensor circuit and display circuit are vertical
Start working, analog signal is amplified and is converted into number by pressure sensor circuit Real-time Collection pressure, A/D analog-digital converters
Word signal, output to governor circuit, LCD1602 display circuits output real-time pressure value.If pressure sensor circuit is sensed
Pressure be less than threshold pressure, then system thinks people not on non-motor vehicle accordingly, but key is on non-motor vehicle, warning circuit
Commence work without delay, infrared circuit continuous firing, pressure sensor circuit and display circuit continuous firing（Alarm mode）, now
System enters alarm mode by vigilant pattern immediately.If system is in alarm mode, as long as giving pressure sensor again
Circuit pressure and pressure are more than threshold pressure, then system returns to vigilant pattern by alarm mode immediately.If system is in alarm
During pattern, as long as then pulling out non-motor vehicle key, then system returns to safe mode by alarm mode immediately.Both the above method is equal
Warning circuit can be made to be stopped.
Below the preferred embodiment that the utility model is created is illustrated, but the utility model is not limited to
Embodiment, those of ordinary skill in the art can also make a variety of etc. on the premise of without prejudice to the utility model creative spirit
Same modification or replacement, these equivalent modifications or replacement are all contained in scope of the present application.
Claims (5)
1. a kind of non-motor vehicle parking anti-theft prewarning system, it is characterised in that：Including controller circuitry, infrared induction circuit, report
Alert circuit, pressure detection circuit, analog to digital conversion circuit, display circuit and power circuit；
The output end of the infrared induction circuit is connected with controller circuitry；The input and controller circuitry of the warning circuit
Connection；The output end of the pressure detection circuit is connected with the input of analog to digital conversion circuit；Analog-digital conversion circuit as described it is defeated
Go out end to be connected with controller circuitry；The input of the display circuit is connected with controller circuitry；The power circuit input
It is connected with the dc source of non-motor vehicle；The output end of the power circuit is connected charging with controller circuitry.
2. a kind of non-motor vehicle parking anti-theft prewarning system according to claim 1, it is characterised in that：The infrared induction
Circuit includes infrared emission tube and infrared receiving tube；The infrared emission tube is connected with power circuit output end, described red
Outer reception pipe is connected with controller circuitry input.
3. a kind of non-motor vehicle parking anti-theft prewarning system according to claim 1, it is characterised in that：The pressure detecting
Circuit includes spring beam, adhesive and foil gauge, and the output end of the foil gauge is connected with analog to digital conversion circuit；The foil gauge
It is double pressure-strain pieces；The foil gauge is arranged on cushion lower end.
4. a kind of non-motor vehicle parking anti-theft prewarning system according to claim 1, it is characterised in that：The power circuit
Including step-down chip and switching tube；The step-down chip uses the step-down chip of model LM5085；The switching tube uses letter
Number for LM5088 switching tube.
5. a kind of non-motor vehicle parking anti-theft prewarning system according to claim 1, it is characterised in that：The display circuit
Use the display screen of model LCD1602.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621361349.9U CN206307182U (en) | 2016-12-13 | 2016-12-13 | A kind of non-motor vehicle parking anti-theft prewarning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621361349.9U CN206307182U (en) | 2016-12-13 | 2016-12-13 | A kind of non-motor vehicle parking anti-theft prewarning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206307182U true CN206307182U (en) | 2017-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621361349.9U Expired - Fee Related CN206307182U (en) | 2016-12-13 | 2016-12-13 | A kind of non-motor vehicle parking anti-theft prewarning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206307182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741340A (en) * | 2016-12-13 | 2017-05-31 | 广西师范大学 | A kind of non-motor vehicle parking anti-theft prewarning system |
-
2016
- 2016-12-13 CN CN201621361349.9U patent/CN206307182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741340A (en) * | 2016-12-13 | 2017-05-31 | 广西师范大学 | A kind of non-motor vehicle parking anti-theft prewarning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20171213 |