CN201498069U - Mechanical-electronic combined anti-theft alarm sensor - Google Patents
Mechanical-electronic combined anti-theft alarm sensor Download PDFInfo
- Publication number
- CN201498069U CN201498069U CN2009203020020U CN200920302002U CN201498069U CN 201498069 U CN201498069 U CN 201498069U CN 2009203020020 U CN2009203020020 U CN 2009203020020U CN 200920302002 U CN200920302002 U CN 200920302002U CN 201498069 U CN201498069 U CN 201498069U
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- bolt
- theft
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- hole
- normally closed
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- 230000005662 electromechanics Effects 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Burglar Alarm Systems (AREA)
Abstract
Disclosed is a mechanical-electronic combined anti-theft alarm sensor, wherein an electronic portion is formed by that a normally closed switch 3 is mounted in a bolt. Resistors 4 are connected on two electrodes of the normally closed switch 3 in series, two ends of the resistors 4 are led out from the inside of the blot by a double-core electrical wire 6, and meanwhile, three states are generated. The two electric wires 6 which are led out are in a short circuit state, when a cover nut 1 is screwed on a bolt 5, the normally closed switch 3 is pressed down to form an open circuit, the resistors 4 form a return circuit between the two electrical wires, and generate a neutral resistance-existence state with circuits, and the normally closed switch 3 is propped up to form a short circuit state after the cover nut 1 is screwed out. The mechanical portion comprises a or a plurality of disposable middle-punched anti-theft bolts. The electrical wires 6 are threaded from the central portion of each anti-theft bolt 5 and are connected on the detection circuit of an alarm, thereby achieving that alarming is generated when any bolt is destroyed, and a period of time is needed for destroy other anti-theft bolts, and the mechanical-electronic combined anti-theft alarm sensor can further delay stealing time when reliably alarming.
Description
Technical field
The utility model relates to the burglar alarm sensor that a kind of electromechanics combines, and especially can also delay the theft used time of transformer when alerting signal is provided effectively.Belong to the burglary-resisting installation technical field.
Background technology
The stolen incident of transformer on the power transmission and transformation line happens occasionally, in case transformer is stolen, will bring considerable influence to agricultural, industry, school, family etc., also can bring heavy losses to national wealth when serious.Stolen in order to prevent transformer, electric administrative department designs a lot of ways, the most frequently used way is that burglary-resisting installation is installed on transformer, and common most alarms all are to adopt to twine transformer with electric wire, and the back warning of electric wire broken string, transformer tilt, and report to the police in the back, position resolver moves back warning etc.Dismounting does not earlier have the bolt of sensor if the robber does not earlier go to trigger sensor, after bolt is by complete removal the robber only need 2 minutes Time Triggered alarms then entrucking go away.Even receiving the report for police service, Surveillance center behind the signal, finds when the security personnel is on the scene that transformer has been stolen.
Though above-mentioned burglary-resisting installation has certain warning effect, can not effectively delay the theft time, not only be difficult to catch the pilferage molecule, and transformer was stolen easily still in the short time.Therefore, develop a kind of theft time that can delay the thief, the anti-theft alarming equipment that can effectively report to the police again simultaneously seems very necessary.
The utility model content
The purpose of this utility model is can only provide alerting signal in order to overcome in the prior art, and can not delay the deficiency of used time in when theft, a kind of mode that combines with electronics by machinery that provides the utility model realizes the delay to the theft time, also need to destroy for a long time mechanical part after when transformer is stolen, triggering sensor, thus the function that realization can also prolong the theft time when in time reporting to the police.
The technical scheme of the transformer anti-theft alarm sensor that electromechanics of the present utility model combines is achieved in that
The alarm sensor that this electromechanics combines is divided into electronic section and mechanical two parts, and described electronic section is at normally closed switch of the inner installation of bolt.Resistor of series connection on two electrodes of normally closed switch, the resistor two ends are drawn from bolt inside by a twin conductor.Described electronic section can produce three kinds of states this moment.First kind of state: the two wire short circuits of drawing produce short-circuit condition; Second kind of state: when the lid mother was screwed on the bolt, normally closed switch was depressed and forms open circuit, and resistor forms the loop in the middle of two lines, and producing neutrality with circuit has resistance states; The third state: the lid mother twists the back normally closed switch and ejects the formation short-circuit condition.Use simple circuit just can detect open circuit, short circuit and be connected three kinds of states of resistance, thereby realize the function that two lines are cut off, short circuit can both be reported to the police that bolt is drawn.
The anti-theft bolt that described mechanical part is got through the hole by one or more disposable centres is formed.Described disposable anti-theft bolt is a kind ofly can only fasteningly once just can not dismantle the bolt of unloading down again.After being fastened on anti-theft bolt on the transformer during use, two wires described electronic section is drawn pass from each anti-theft bolt interstitial hole successively and are connected to the alarm testing circuit.
When thief is stolen transformer, all be installed with the electric wire line that sensor is drawn on the transformer in the middle of each bolt.So each bolt all is equivalent to a sensor, destroys any one and all can cause reporting to the police.All bolts all are that anti-theft bolt can not use general tool dismounting, if want to get rid of anti-theft bolt, have only the physical arrangement of destroying anti-theft bolt, will certainly break or anti-theft wire that short circuit is passed from the centre.In case anti-theft wire short circuit or open circuit and will cause alarm equipment alarm notifies the security personnel to come immediately.First anti-theft bolt has just just destroyed and has reported to the police, and destroy other bolts this moment more also needs a lot of times.Thereby, the security personnel provides plenty of time for being on the scene.
The utility model has following beneficial effect with respect to prior art:
The beneficial effects of the utility model are to have solved the common transformer theft-proof sensor and can only play the warning effect, and can not effectively delay the theft matter of time.Accomplished reliably to report to the police, do not reported by mistake, when not failing to report, can also delay the time that the back robber that reports to the police continues to steal needs effectively.The utility model is simple in structure, with low cost, it is easy, easy for installation to manufacture, practical application effect is very good.
Description of drawings
The burglar alarm sensor construction synoptic diagram that Fig. 1 combines for a kind of electromechanics of the present utility model;
The burglar alarm sensor use-pattern synoptic diagram that Fig. 2 combines for a kind of electromechanics of the present utility model.
Embodiment
Understand the technical solution of the utility model for one of ordinary skill in the art can be known, the existing work in conjunction with the accompanying drawings further at large illustrates:
The burglar alarm sensor that a kind of electromechanics of the present utility model combines, as shown in Figure 1, comprise through hole bolt 5, in through hole 8 front ends of through hole bolt 5 Suppress switch 3 is set, two connection terminals of Suppress switch 3 resistance 4 in parallel, Suppress switch 3 front ends are provided with stroke lever 2, and stroke lever 2 front ends, through hole bolt 5 front ends are provided with lid female 1, establish one two core electric wire 6 in the through hole 8 of through hole bolt 5, electric wire 6 one ends are introduced alarm, the other end is connected with two connection terminals of Suppress switch 3.
The aperture of through hole bolt 5 is 6mm (being advisable just to put Suppress switch into).
The nuts 7 of through hole bolt 5 is the interior hexagonal of 12 * 35 specifications, and the periphery of nuts 7 is smooth shape, must be when the smooth shape of nuts 7 peripheries makes and to want to dismantle the through hole bolt by interior hexagonal, and necessary destruction electric wire during by interior hexagonal.
The resistance of resistance 4 is 100 Ω-100K Ω.
When manufacturing, (use a better anti-theft bolt only to need just passable on the ready-made hexagon socket head cap screw cap that has punching in the middle of the bolt, effect can be better) one of the through hole 8 front end internal fixation of 7 through hole bolt 5 can control the switch that it suppresses by stroke lever 2, with resistance 4 in parallel on two connection terminals of Suppress switch 3, introduce the electric wire 6 of one two core again, one end of electric wire 6 is connected with two connection terminals of Suppress switch 3 respectively, the other end is drawn in the through hole 8 of through hole bolt 5, to cover the front end that mother 1 is tightened in through hole bolt 5 again, at this moment, because tightening of lid female 1, make stroke lever 2 be compressed into and make switch open circuit, when an end of drawing in the through hole 8 of through hole bolt 5 is connected on the alarm circuit, promptly form the loop by resistance, can detect the level value of this moment in the alarm, when lid female 1 is backed out, stroke lever 2 is upspring, Suppress switch 3 is in channel status, at this moment, resistance 4 is inoperative, and same and alarm circuit forms the loop, can detect another level value of this moment in the alarm, alarm sends warning message after detecting the variation of level value.
During use, as shown in Figure 2, adopt several through hole bolts 5 that transformer is fixed, the nut 9 of through hole bolt 5 is twisting and sliding type or the disposable nut of ball needle-type, as long as tighten and just be difficult to dismounting, the utility model is replaced the former set bolt of transformer, electric wire in the utility model 6 is together in series according to as shown in Figure 2 mode more successively, at last the other end of electric wire 6 is inserted the internal circuit of alarm.To destroy lid of the present utility model female 1 the time as the thief, and stroke lever 2 will be upspring, and Suppress switch 3 will be in closed circuit state, and forms the loop with internal circuit, and the internal circuit of alarm will produce the variation of level value; If the saboteur wants to dismantle any one the through hole bolt 5 by electric wire 6 series connection, will make that electric wire is destroyed and short circuit, off state conversion occur, make alarm equipment alarm.Therefore, no matter original state is made as the sort of state, if the saboteur wants to dismantle any one bolt, all will change by the circuit state that the be connected change of electric wire with alarm inside, thereby produce the variation of level value, for the monitor staff provides reliable foundation.
Claims (3)
1. transformer anti-theft alarm sensor that electromechanics combines, comprise through hole bolt (5), it is characterized in that, in through hole (8) front end of described through hole bolt (5) Suppress switch (3) is set, two connection terminals of described Suppress switch (3) resistance (4) in parallel, described Suppress switch (3) front end is provided with stroke lever (2), described stroke lever (2) front end, through hole bolt (5) front end is provided with nut (1), establish one two core power lead (6) in the through hole (8) of described through hole bolt (5), described electric wire (6) one ends are connected with Suppress switch (3), and the other end passes back introducing alarm from the anti-theft bolt of each middle punching successively.
2. the transformer anti-theft alarm sensor that a kind of electromechanics according to claim 1 combines is characterized in that, the nuts (7) of described through hole bolt (5) is the interior hexagonal of 12x35 specification, and the periphery of described nuts (7) is smooth shape.
3. the transformer anti-theft alarm sensor that a kind of electromechanics according to claim 1 combines is characterized in that, the resistance of described resistance (4) is 100 Ω-100K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203020020U CN201498069U (en) | 2009-04-09 | 2009-04-09 | Mechanical-electronic combined anti-theft alarm sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203020020U CN201498069U (en) | 2009-04-09 | 2009-04-09 | Mechanical-electronic combined anti-theft alarm sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201498069U true CN201498069U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203020020U Expired - Fee Related CN201498069U (en) | 2009-04-09 | 2009-04-09 | Mechanical-electronic combined anti-theft alarm sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201498069U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366479A (en) * | 2012-03-30 | 2013-10-23 | 郑州金源特变电气有限公司 | Transformer damage proof anti-theft remote monitoring device |
| CN107842547A (en) * | 2017-11-22 | 2018-03-27 | 中国铁道科学研究院金属及化学研究所 | The rolling stock bolt for the function that flown out with fracture loose alarming and anti-dropout |
| CN110164067A (en) * | 2019-05-13 | 2019-08-23 | 国网辽宁省电力有限公司葫芦岛供电公司 | A kind of motor-pumped well energization anti-theft alarm for transformer based on Internet of Things |
| CN112216046A (en) * | 2020-09-30 | 2021-01-12 | 湖北铱派电子科技股份有限公司 | Fixed bolt anti-disassembly sensor and anti-disassembly alarm system |
-
2009
- 2009-04-09 CN CN2009203020020U patent/CN201498069U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366479A (en) * | 2012-03-30 | 2013-10-23 | 郑州金源特变电气有限公司 | Transformer damage proof anti-theft remote monitoring device |
| CN103366479B (en) * | 2012-03-30 | 2016-03-16 | 郑州金源特变电气有限公司 | The tamper-proof theft protection long-distance monitorng device of transformer |
| CN107842547A (en) * | 2017-11-22 | 2018-03-27 | 中国铁道科学研究院金属及化学研究所 | The rolling stock bolt for the function that flown out with fracture loose alarming and anti-dropout |
| CN107842547B (en) * | 2017-11-22 | 2024-03-19 | 中国铁道科学研究院金属及化学研究所 | Bolt with fracture looseness alarm and anti-falling and anti-flying-out functions for railway vehicle |
| CN110164067A (en) * | 2019-05-13 | 2019-08-23 | 国网辽宁省电力有限公司葫芦岛供电公司 | A kind of motor-pumped well energization anti-theft alarm for transformer based on Internet of Things |
| CN112216046A (en) * | 2020-09-30 | 2021-01-12 | 湖北铱派电子科技股份有限公司 | Fixed bolt anti-disassembly sensor and anti-disassembly alarm system |
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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 |
Granted publication date: 20100602 Termination date: 20160409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |