CN205417514U - External oil tank SMS warning anti -theft device - Google Patents
External oil tank SMS warning anti -theft device Download PDFInfo
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- CN205417514U CN205417514U CN201620211875.0U CN201620211875U CN205417514U CN 205417514 U CN205417514 U CN 205417514U CN 201620211875 U CN201620211875 U CN 201620211875U CN 205417514 U CN205417514 U CN 205417514U
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Abstract
The utility model discloses an external oil tank SMS warning anti -theft device, it includes power module, control module, switch module, SMS alarm module, power module comprises power supply circuit and voltage conversion circuit, power supply circuit's output is connected with voltage conversion circuit's input, voltage conversion circuit's output is connected with control module's input, the switch module comprises first pressure drag formula pressure sensor, second pressure drag formula pressure sensor, input type static pressure level sensor and AD converter, input type static pressure level sensor, first pressure drag formula pressure sensor, second pressure drag formula pressure sensor's output all is connected with the AD converter, the output of AD converter is connected with control module, control module's output is connected with SMS alarm module. The utility model has the advantages of dual theftproof insurance function for oil tank when theftproof safety is effective, and it is lower to have a simple structure, simple to operate, cost.
Description
Technical field
This utility model relates to a kind of alarm against theft, particularly relates to a kind of external fuel cell SMS alarm anti-theft device.
Background technology
Since reform and opening-up, whole nation economy achieves fast development, and logistics in all parts of the country the most gradually increases, and Freight Transport grows with each passing day.Along with increasing of lorry, the phenomenon of the diesel oil that lawless person steals lorry external fuel cell generally occurs, and causes huge economic loss to lorry car owner, road transporting safety also causes huge infringement simultaneously.In order to tackle this phenomenon, people often add a cover on fuel tank oil-in and lock, but the effect of this defensive measure is unsatisfactory, and lawless person can pry open fuel tank cap or lock, thus steals diesel oil easily.
Utility model content
In order to solve the weak point existing for above-mentioned technology, this utility model provides a kind of external fuel cell SMS alarm anti-theft device.
In order to solve above technical problem, the technical solution adopted in the utility model is: a kind of external fuel cell SMS alarm anti-theft device, including power module, control module, switch module, short message alarm module；Power module is made up of power circuit and voltage conversion circuit；The outfan of power circuit is connected with the input of voltage conversion circuit by electric wire；The outfan of voltage conversion circuit is connected with the input of control module by electric wire；
Switch module is made up of the first piezoresistive pressure sensor, the second piezoresistive pressure sensor, throwing static pressure liquid level sensor and A/D converter；Throwing static pressure liquid level sensor is installed on tank bottoms；Throwing static pressure liquid level sensor is connected with A/D converter by the holding wire being arranged in oil pump line pipe；
First piezoresistive pressure sensor, the outfan of the second piezoresistive pressure sensor are all connected with A/D converter input；The outfan of A/D converter is connected with the input of control module by signal transmssion line；The outfan of control module is connected with the input of short message alarm module by signal transmssion line.
First piezoresistive pressure sensor and the second piezoresistive pressure sensor are mounted in tank cap lock.
The output voltage of power circuit is 12V.The output voltage of voltage conversion circuit is 3V.
This utility model has double anti-theft insurance function, and has simple in construction, advantage easy for installation, lower-cost when Security for fuel tank safely and effectively.
Accompanying drawing explanation
Fig. 1 is annexation schematic diagram of the present utility model.
Fig. 2 is part-structure schematic diagram of the present utility model.
In figure: 1, the first piezoresistive pressure sensor；2, the second piezoresistive pressure sensor；3, throwing static pressure liquid level sensor；4, oil pump.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, this utility model includes power module, control module, switch module, short message alarm module；Power module is made up of power circuit and voltage conversion circuit；The outfan of power circuit is connected with the input of voltage conversion circuit by electric wire；The outfan of voltage conversion circuit is connected with the input of control module by electric wire；
Switch module is made up of the first piezoresistive pressure sensor, the second piezoresistive pressure sensor, throwing static pressure liquid level sensor and A/D converter；Throwing static pressure liquid level sensor is installed on tank bottoms；Throwing static pressure liquid level sensor is connected with A/D converter by the holding wire being arranged in oil pump line pipe, and holding wire passes through from the line pipe of oil pump can effectively hide antitheft circuit, it is to avoid deliberately cut off；
First piezoresistive pressure sensor, the outfan of the second piezoresistive pressure sensor are all connected with A/D converter input；The outfan of A/D converter is connected with the input of control module by signal transmssion line；The outfan of control module is connected with the input of short message alarm module by signal transmssion line.
First piezoresistive pressure sensor and the second piezoresistive pressure sensor are mounted in tank cap lock.
The output voltage of power circuit is 12V.The output voltage of voltage conversion circuit is 3V.
This utility model oil in fuel tank has double starting mode time stolen, its main operational principle is: after tank cap lock is locked, and the first piezoresistive pressure sensor is not stressed, and the second piezoresistive pressure sensor bears pressure.When just commonly using key operated tank cap lock, key inserts lockhole and touches the first piezoresistive pressure sensor, first piezoresistive pressure sensor bears pressure output action signal, after tank cap lock is opened and is taken out, second piezoresistive pressure sensor is not stressed output action signal, output signal is input control module after A/D converter transducer processes, and control module is judged as normally-open, and short message alarm module does not starts；
When inserting lockhole without key, first piezoresistive pressure sensor without pressing, attonity signal output, after tank cap lock is taken out, second piezoresistive pressure sensor is not stressed output action signal, output signal is input control module after A/D converter transducer processes, control module is judged as unnormal unlocking, and short message alarm module starts and sends alarming short message to car owner, and this is the first weight type of alarm.
When tank cap lock is in normal switching-off, in fuel tank, throwing static pressure liquid level sensor is in starting state detection oil surface level, and control module receives feedback signal and processes oil level data, and analyzes oil mass decrease speed；Control module arranges predetermined warning numerical value, when oil mass decrease speed is within values, it is judged that for oil mass normal loss, short message alarm module does not starts；
When oil mass decrease speed reaches or exceeds predetermined value, it is judged that for oil mass abnormal waste, being in stolen status, short message alarm module startup also sends note to car owner, this is the second weight type of alarm.
This utility model has double anti-theft insurance function, all can start when tank cap lock unnormal unlocking or oil mass decrease speed are too fast and send alarm signal to fuel tank car owner, additionally, this utility model simple in construction, easy for installation, cost is relatively low, it is suitable for large-scale production and application.
Above-mentioned embodiment is not to restriction of the present utility model; this utility model is also not limited to the example above; change that those skilled in the art are made in the range of the technical solution of the utility model, retrofit, add or replace, also belong to protection domain of the present utility model.
Claims (4)
1. an external fuel cell SMS alarm anti-theft device, it is characterised in that: it includes power module, control module, switch module, short message alarm module；Described power module is made up of power circuit and voltage conversion circuit；The outfan of described power circuit is connected with the input of voltage conversion circuit by electric wire；The outfan of described voltage conversion circuit is connected with the input of control module by electric wire；
Described switch module is made up of the first piezoresistive pressure sensor, the second piezoresistive pressure sensor, throwing static pressure liquid level sensor and A/D converter；Described throwing static pressure liquid level sensor is installed on tank bottoms；Throwing static pressure liquid level sensor is connected with A/D converter by the holding wire being arranged in oil pump line pipe；
Described first piezoresistive pressure sensor, the outfan of the second piezoresistive pressure sensor are all connected with A/D converter input；The outfan of described A/D converter is connected with the input of control module by signal transmssion line；The outfan of described control module is connected with the input of short message alarm module by signal transmssion line.
External fuel cell SMS alarm anti-theft device the most according to claim 1 is characterized in that: described first piezoresistive pressure sensor and the second piezoresistive pressure sensor are mounted in tank cap lock.
External fuel cell SMS alarm anti-theft device the most according to claim 1 is characterized in that: the output voltage of described power circuit is 12V.
External fuel cell SMS alarm anti-theft device the most according to claim 1 is characterized in that: the output voltage of described voltage conversion circuit is 3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620211875.0U CN205417514U (en) | 2016-03-18 | 2016-03-18 | External oil tank SMS warning anti -theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620211875.0U CN205417514U (en) | 2016-03-18 | 2016-03-18 | External oil tank SMS warning anti -theft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205417514U true CN205417514U (en) | 2016-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620211875.0U Expired - Fee Related CN205417514U (en) | 2016-03-18 | 2016-03-18 | External oil tank SMS warning anti -theft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205417514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098702A (en) * | 2018-10-09 | 2020-05-05 | 郑州宇通客车股份有限公司 | Anti-theft method and system for passenger car oil tank |
-
2016
- 2016-03-18 CN CN201620211875.0U patent/CN205417514U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098702A (en) * | 2018-10-09 | 2020-05-05 | 郑州宇通客车股份有限公司 | Anti-theft method and system for passenger car oil tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160803 Termination date: 20170318 |