CN201166895Y - Anti-theft alarm system for electric power transformer - Google Patents
Anti-theft alarm system for electric power transformer Download PDFInfo
- Publication number
- CN201166895Y CN201166895Y CNU2007201282015U CN200720128201U CN201166895Y CN 201166895 Y CN201166895 Y CN 201166895Y CN U2007201282015 U CNU2007201282015 U CN U2007201282015U CN 200720128201 U CN200720128201 U CN 200720128201U CN 201166895 Y CN201166895 Y CN 201166895Y
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- detector
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- circuit
- transformer
- operational amplifier
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Abstract
The utility model relates to an antitheft guard and alarm system of a power transformer. A GSM annunciator, a thread break detecting circuit, an executive circuit and a battery are arranged inside an electric control box; a touch switch is arranged between a box cap and a box body of the electric control box; the electric control box is arranged on a telegraph pole; the output terminal of the thread break detecting circuit is connected with the input terminal of the executive circuit; the output terminal of the executive circuit is connected with the input terminal of the GSM annunciator; a defense deploying line comprises three divider resistors and three detectors; the three detectors are fixedly connected with a top cap, a case body and a pedestal of the transformer respectively; the detectors are connected in series through leads and then are connected with the touch switch and a binding bolt on the top cap of the transformer; the input terminal of the thread break detecting circuit is connected with the contact between a first divider resistor and a second divider resistor. The antitheft and alarm system of the power transformer sets off an alarm signal when the transformer is stolen or the system is damaged, so as to remind a caretaker to inspect in time and protect the power transformer.
Description
Technical field
The utility model relates to guard against theft and alarm system, particularly the guard against theft and alarm system of power transformer.
Background technology
Power transformer is important controller switching equipment, particularly the drainage and irrigation hyelectric power station in rural area more needs the power transformer of the various different capabilities of adapted, but because power transformer is installed in the field usually, far away from the resident residence, inconvenience is kept an eye on and is guarded, and often steals, the means of theft are earlier transformer to be left behind from high platform, back out the fastening bolt between transformer top cover and the casing then, open the transformer top cover, therefrom steal copper core.The social danger of this class case of violation of law is very big, give open-air worker, agricultural production has all caused damaging influence, for this reason, people are just at the various anti-theft devices of active research, Chinese patent ZL2000420116092.1{ electric power transformer anti-theft device } in, the technical scheme that adopts plug and open key, prevent that the transformer top cover from being opened easily by the lawless person, though this scheme has certain anti-theft effect, still, theft mode for integral shift, powerless, and, be not easy in time find the robber owing to there is not warning function, the robber has adequate time otherwise the housing of transformer to be destroyed in the open air, therefrom steals copper core.
The utility model content
The purpose of this utility model provides a kind of electric power transformer anti-theft warning system, when transformer is stolen or system send alerting signal when destroyed, remind the nurse personnel in time to check, the protection power transformer.
For achieving the above object, the utility model is by the following technical solutions:
A kind of electric power transformer anti-theft warning system, comprise electric-controlled box and the circuit of deploying troops on garrison duty, be provided with the GSM alarm in the electric-controlled box, break detection circuit, executive circuit and battery, be provided with contact-making switch between the lid of electric-controlled box and the box body, it is characterized in that: this electric-controlled box is installed on the electric pole, the output terminal of described break detection circuit is connected with the input end of executive circuit, the output terminal of executive circuit is connected with the input end of GSM alarm, the described circuit of deploying troops on garrison duty is by first, second, the 3rd divider resistance and first, second, the 3rd detector is formed, this is first years old, second, the 3rd detector is fixed in the top cover of transformer respectively, on casing and the base, wherein an end of first detector is connected with described contact-making switch by first outer lead, this contact-making switch series connection first, second, be connected with anode behind the 3rd divider resistance, the other end of first detector is connected with an end of second detector by second outer lead, the second detector other end is connected with an end of the 3rd detector by privates, the other end of the 3rd detector by all round on portion's lead and the transformer top cover fastening bolt of a side be connected, the fastening bolt of opposite side inserts in the electric-controlled box by the 5th outer lead on the transformer top cover, be connected the input end of described break detection circuit and first with the battery cathode in the electric-controlled box, contact between second divider resistance links to each other.
Described break detection circuit is by first, second voltage divider and first, second integrated operational amplifier constitutes, first, second voltage divider all is to be made of three biasing resistor serial connections, the in-phase end (+) of first integrated operational amplifier is connected with first voltage divider, the end of oppisite phase (-) of second integrated operational amplifier is connected with second voltage divider, the end of oppisite phase (-) of first integrated operational amplifier links together with the in-phase end (+) of second integrated operational amplifier and constitutes the input end of break detection circuit, described executive circuit is made up of controllable silicon and relay, the silicon controlled gate pole is respectively through two diodes and first, the output terminal of second integrated operational amplifier connects, the silicon controlled anode is connected with the positive pole of battery through the coil of relay, the silicon controlled negative electrode is connected with the negative pole of battery, and two pairs of normally opened contacts of relay are connected with the triggering input end with the power input of GSM alarm respectively as the output terminal of executive circuit.
Described first, second, third detector all is made of resistive element.
The utility model has following positive beneficial effect:
Native system is deployed troops on garrison duty to top cover, casing, base and the fastening bolt of transformer by the circuit of deploying troops on garrison duty; with break detection circuit the break-make of the circuit of deploying troops on garrison duty is monitored in real time; when the burglar turn on the transformer top cover fastening bolt or to cutting off when deploying troops on garrison duty lead; break detection circuit all can be exported control signal; this signal starts the GSM alarm by executive circuit; notice nurse personnel catch the robber, the protection power transformer.Native system adopts multiple tamper measure, and all in antitheft electric-controlled box, it is destroyed that system is difficult for for gsm module, GSM antenna and reserve battery.Owing to utilized GSM global communication technology, can be installed in any area of the GSM network coverage, the safety of strong protection power transformer, the stealing of prevention and strike transformer.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Please refer to Fig. 1, Fig. 2, the utility model is a kind of electric power transformer anti-theft warning system, comprise the electric-controlled box 1 and the circuit of deploying troops on garrison duty, be provided with the GSM alarm in the electric-controlled box 1, break detection circuit, executive circuit and battery, be provided with contact-making switch K1 between the lid of electric-controlled box 1 and the box body, electric-controlled box 1 is installed on the electric pole 2, the output terminal of break detection circuit is connected with the input end of executive circuit, the output terminal of executive circuit is connected with the input end of GSM alarm, deploy troops on garrison duty circuit by first, second, the 3rd divider resistance R1, R2, R3 and first, second, the 3rd detector X1, X2, X3 forms, this is first years old, second, the 3rd detector X1, X2, X is bonded in the top cover 4 of transformer 3 respectively by powerful insulating gel, on casing 5 and the base 6, wherein the end of the first detector X1 is connected with described contact-making switch K1 by the first outer lead L1, this contact-making switch K1 series connection first, second, the 3rd divider resistance R1, R2, positive pole with battery E behind the R3 is connected, the other end of the first detector X1 is connected with the end of the second detector X2 by the second outer lead L2, the second detector X2 other end is connected with the end of the 3rd detector X3 by privates L3, the other end of the 3rd detector X3 by all round on the top cover 4 of portion's lead L4 and transformer 3 the fastening bolt S1 of a side be connected, the fastening bolt S2 of opposite side inserts in the electric-controlled box 1 by the 5th outer lead L5 on the transformer top cover 4, be connected the input end of described break detection circuit and first with the negative pole of battery E in the electric-controlled box 1, the second divider resistance R1, contact between the R2 links to each other.
First, second, third detector X1, X2, X3 are made of resistive element.
Break detection circuit is by first, second voltage divider and first, the second integrated operational amplifier U1, U2 constitutes, first, the second integrated operational amplifier U1, the model of U2 is LM324, first voltage divider is by three biasing resistor R7, R8, R9 is connected in series formation, second voltage divider is by three biasing resistor R4, R5, R6 is connected in series formation, resistance R 7 in the in-phase end (+) of the first integrated operational amplifier U1 and first voltage divider, contact between the R8 links to each other, resistance R 4 in the end of oppisite phase (-) of the second integrated operational amplifier U2 and second voltage divider, contact between the R5 links to each other, the in-phase end (+) of the end of oppisite phase (-) of the first integrated operational amplifier U1 and the second integrated operational amplifier U2 links together and constitutes the input end N of break detection circuit, executive circuit is made up of controllable silicon SCR and relay J, one tunnel process diode D1 is connected with the output terminal of the first integrated operational amplifier U1 behind the gate pole serial connection current-limiting resistance R11 of controllable silicon SCR, another road is connected with the output terminal of the second integrated operational amplifier U2 through diode D2, the anode of controllable silicon SCR is connected with the positive pole of battery E through the coil of relay J, the negative electrode of controllable silicon SCR is connected with the negative pole of battery E, two pairs of normally opened contacts of relay J have constituted the output terminal of executive circuit, and wherein normally opened contact J1A is connected with the power input VDD of GSM alarm U3.Normally opened contact J1B is connected with triggering input end T1, the T2 of GSM alarm U3.
Please refer to Fig. 2, after system started working, the input signal of the in-phase end (+) of the first integrated operational amplifier U1 was a low level, and the output terminal of U1 is a low level.The input signal of the end of oppisite phase (-) of the second integrated operational amplifier U2 is a high level, and the output terminal of U2 is a low level.The input signal of controllable silicon SCR gate pole is a low level, and controllable silicon SCR is ended, the coil losing electricity of relay J, and its two couples of normally opened contact J1A, J1B open, and GSM alarm U3 does not work.
Native system is by the top cover 4 of circuit to transformer of deploying troops on garrison duty, casing 5, base 6 and fastening bolt S1, S2 deploys troops on garrison duty, with break detection circuit the break-make of the circuit of deploying troops on garrison duty is monitored in real time, when the burglar turns on fastening bolt S1 on the transformer top cover 4 or S2, fastening bolt S1, can not carry out the conduction of electric signal by the casting coping 4 of transformer 3 between the S2, this is equivalent to disconnect the circuit of deploying troops on garrison duty, thereby make circuit reference point among Fig. 2, the level that is the input end N of break detection circuit raises, the input signal of the in-phase end (+) of the second integrated operational amplifier U2 becomes high level, the output terminal output high level signal of U2, this high level signal is added on the gate pole of controllable silicon SCR, the controllable silicon SCR conducting, the coil of relay J gets electric, its two couples of normally opened contact J1A, the J1B closure, GSM alarm U3 work begins to report to the police.
If the burglar does not turn on fastening bolt S1, S2 on the transformer top cover 4, but transformer 3 integral body from the base 6 is pulled down, transport with means of transport, then will certainly pull apart one or more among the above-mentioned outer lead L1 to L5, this also is equivalent to disconnect the circuit of deploying troops on garrison duty, thereby the level of the input end N of Fig. 2 interrupt line testing circuit is raise, the controllable silicon SCR conducting, the coil of relay J gets electric, its two couples of normally opened contact J1A, J1B closure, GSM alarm U3 work begins to report to the police.
The GSM alarm of electric-controlled box 1 inside is commercially available standardized product, for example can adopt the 118C-of An Tejia Science and Technology Ltd. of Shenzhen standard utility type, 118T-global universal type, ATS-903 reinforced, have multiple functions such as antitheft, monitoring, Long-distance Control, remote alarms, IC-card pre-payment, it is inner integrated gsm module, shock sensor, voice loudspeaker, standby power supply.
If the burglar before theft transformer 3, destroys electric-controlled box 1 earlier, then certainly lead to vibrations, after GSM alarm U3 detects vibrations, also can work, begin to report to the police.
If the burglar is before theft transformer 3, open the lid of electric-controlled box 1 earlier, desire is destroyed the GSM alarm U3 of its inside, then must make to be provided with contact-making switch K1 between the lid of electric-controlled box 1 and the box body and to disconnect, and this also is equivalent to disconnect the circuit of deploying troops on garrison duty, thereby the level of the input end N of Fig. 2 interrupt line testing circuit is raise, the controllable silicon SCR conducting, the coil of relay J gets electric, its two couples of normally opened contact J1A, J1B closure, GSM alarm U3 work begins to report to the police.
Claims (3)
1. electric power transformer anti-theft warning system, comprise electric-controlled box and the circuit of deploying troops on garrison duty, be provided with the GSM alarm in the electric-controlled box, break detection circuit, executive circuit and battery, be provided with contact-making switch between the lid of electric-controlled box and the box body, it is characterized in that: this electric-controlled box is installed on the electric pole, the output terminal of described break detection circuit is connected with the input end of executive circuit, the output terminal of executive circuit is connected with the input end of GSM alarm, the described circuit of deploying troops on garrison duty is by first, second, the 3rd divider resistance and first, second, the 3rd detector is formed, this is first years old, second, the 3rd detector is fixed in the top cover of transformer respectively, on casing and the base, wherein an end of first detector is connected with described contact-making switch by first outer lead, this contact-making switch series connection first, second, be connected with anode behind the 3rd divider resistance, the other end of first detector is connected with an end of second detector by second outer lead, the second detector other end is connected with an end of the 3rd detector by privates, the other end of the 3rd detector by all round on portion's lead and the transformer top cover fastening bolt of a side be connected, the fastening bolt of opposite side inserts in the electric-controlled box by the 5th outer lead on the transformer top cover, be connected the input end of described break detection circuit and first with the battery cathode in the electric-controlled box, contact between second divider resistance links to each other.
2. electric power transformer anti-theft warning system as claimed in claim 1, it is characterized in that: described break detection circuit is by first, second voltage divider and first, second integrated operational amplifier constitutes, first, second voltage divider all is to be made of three biasing resistor serial connections, the in-phase end of first integrated operational amplifier is connected with first voltage divider, the end of oppisite phase of second integrated operational amplifier is connected with second voltage divider, the in-phase end of the end of oppisite phase of first integrated operational amplifier and second integrated operational amplifier links together and constitutes the input end of break detection circuit, described executive circuit is made up of controllable silicon and relay, the silicon controlled gate pole is respectively through two diodes and first, the output terminal of second integrated operational amplifier connects, the silicon controlled anode is connected with the positive pole of battery through the coil of relay, the silicon controlled negative electrode is connected with the negative pole of battery, and two pairs of normally opened contacts of relay are connected with the triggering input end with the power input of GSM alarm respectively as the output terminal of executive circuit.
3. electric power transformer anti-theft warning system as claimed in claim 1 is characterized in that: described first, second, third detector all is made of resistive element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201282015U CN201166895Y (en) | 2007-07-23 | 2007-07-23 | Anti-theft alarm system for electric power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201282015U CN201166895Y (en) | 2007-07-23 | 2007-07-23 | Anti-theft alarm system for electric power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166895Y true CN201166895Y (en) | 2008-12-17 |
Family
ID=40192287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201282015U Expired - Fee Related CN201166895Y (en) | 2007-07-23 | 2007-07-23 | Anti-theft alarm system for electric power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166895Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530554A (en) * | 2016-10-27 | 2017-03-22 | 珠海市横琴麒翔科技有限公司 | Electrical equipment transformer burglar alarm and application method |
| CN108230591A (en) * | 2016-12-10 | 2018-06-29 | 赵芳 | The anti-lost detection method of low-power consumption that a kind of signal lines disconnection is alarmed immediately |
| CN114973563A (en) * | 2022-08-02 | 2022-08-30 | 广州市科锐达光电技术股份有限公司 | Detection device is cut with theftproof rope to unmanned aerial vehicle show |
-
2007
- 2007-07-23 CN CNU2007201282015U patent/CN201166895Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530554A (en) * | 2016-10-27 | 2017-03-22 | 珠海市横琴麒翔科技有限公司 | Electrical equipment transformer burglar alarm and application method |
| CN108230591A (en) * | 2016-12-10 | 2018-06-29 | 赵芳 | The anti-lost detection method of low-power consumption that a kind of signal lines disconnection is alarmed immediately |
| CN114973563A (en) * | 2022-08-02 | 2022-08-30 | 广州市科锐达光电技术股份有限公司 | Detection device is cut with theftproof rope to unmanned aerial vehicle show |
| CN114973563B (en) * | 2022-08-02 | 2022-10-28 | 广州市科锐达光电技术股份有限公司 | Detection device is cut with theftproof rope to unmanned aerial vehicle show |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 |