CN201017757Y - Decomposing prevention circuit of transformer device - Google Patents
Decomposing prevention circuit of transformer device Download PDFInfo
- Publication number
- CN201017757Y CN201017757Y CNU2007200626449U CN200720062644U CN201017757Y CN 201017757 Y CN201017757 Y CN 201017757Y CN U2007200626449 U CNU2007200626449 U CN U2007200626449U CN 200720062644 U CN200720062644 U CN 200720062644U CN 201017757 Y CN201017757 Y CN 201017757Y
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- transformer
- relay
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Abstract
The utility model relates to a transformer anti-disassembly circuit which can monitor the disassembly of a power transformer and a line wire and give an alarm whether a system is powered off. The transformer anti-disassembly circuit consists of an electric equipment anti-theft device (1) and an impedance detecting circuit (2) which are electrically connected in a box casing. The utility model not only can monitor whether the lead wires of a high voltage line (M), an power transformer (B2) and a low voltage line (N) are stolen when power is fed to a system (D), but also can automatically keep monitoring whether the lead wires of the power transformer (B2) and the low voltage line (N) are stolen when the system (D) is powered off, thus realizing the effective anti-theft alarm no matter the system (D) is powered on or off.
Description
Affiliated technical field
The utility model relates to a kind of whether split device of stealing of power transformer of monitoring, and especially no matter whether system has a power failure and can both monitor the split and transformer tamper circuit of reporting to the police of power transformer and line conductor.
Background technology
At present, the power equipment anti-theft device of the well-known patent No. 002290448 multifunction power transformer and circuit power-off alarm and patent application recently is the device that a class is specifically designed to power transformer and line conductor burglar alarm, the characteristics that it utilizes every theft power transformer and line conductor all will have a power failure are implemented antitheft, having a power cut signal to trigger warning device in the moment that has a power failure reports to the police, but for system blackout after a period of time, as long as system does not restore electricity, power cut signal just or else can occur and go to trigger the warning device warning, as stealing power transformer and line conductor at this moment, these warning devices have just lost the effect of its burglar alarm, cause easily that power transformer and line conductor are stolen to be lost.
Summary of the invention
In order to overcome existing multifunction power transformer and circuit power-off alarm and power equipment anti-theft device at system blackout after a period of time, just lost the effect of its burglar alarm, and cause power transformer and the stolen deficiency of losing of line conductor easily, the utility model provides a kind of transformer tamper circuit, in the time of can not only powering in system to high-tension line, whether power transformer and low-voltage circuit lead stolen the monitoring, and can also be behind system blackout, automatically whether stolen continuation keeps monitoring to power transformer and low-voltage circuit lead, no matter thereby whether the system of realization has a power failure, can both carry out burglar alarm effectively.
The technical scheme that its technical problem that solves the utility model adopts is: in the case shell, formed by power equipment anti-theft device (1) and impedance detection circuit (2) electrical connection.On the power transformer (B1) of power equipment anti-theft device (1), set up secondary coil (L3), in impedance detection circuit (2), the two ends of secondary coil (L3) respectively with rectifier diode (D23, D24) positive electrical connects, rectifier diode (D23, D24) positive pole respectively with rectifier diode (D25, D26) negative electricity connects, rectifier diode (D23, D24) negative pole, one end of relay (J1) coil is connected with the positive electrical of electric capacity (C11), rectifier diode (D25, D26) positive pole, the coil other end of relay (J1) is connected with the negative electricity of electric capacity (C11), main coil (L1) end of power transformer (B1) is electrically connected with button (ANx) end, the other end of button (ANx) is electrically connected with a phase line in the low-voltage circuit (N), normally-closed contact (J1-2) end of main coil (L1) other end of power transformer (B1) and relay (J1), the normal end of making war in contact (J1-1) is electrically connected, the moving contact of contact (J1-1) is electrically connected with another phase line in the low-voltage circuit (N), the normally closed point in contact (J1-1) of relay (J1) and the negative pole of diode (D19), the positive pole of diode (D18), resistance (R18, R25) a end, the negative pole of electric capacity (C1), the negative electricity of power circuit (IV) connects in the power equipment anti-theft device (1), the positive pole of diode (D19) is connected with the negative electricity of diode (D20), the positive pole of diode (D20) is connected with the negative electricity of diode (D21), the negative pole of the positive pole of diode (D21) and diode (D18), the other end of resistance (R25), resistance (R20, R21) a end, normally-closed contact (J1-2) other end of relay (J1) is electrically connected, the other end of resistance (R20) is electrically connected with normally-closed contact (J1-3) end of relay (J1), normally-closed contact (J1-3) other end of relay (J1) and an end of resistance (R19), the positive electrical of power circuit (IV) connects in the power equipment anti-theft device (1), the other end of resistance (R21), the positive pole of electric capacity (C1) is electrically connected with the inverting input of operational amplifier (IC1-4), resistance (R18, R19) the other end is electrically connected with the in-phase input end of operational amplifier (IC1-4), the output of operational amplifier (IC1-4) is connected with the negative electricity of diode (D17), and the positive electrical of the diode (D15) in the positive pole of diode (D17) and the power equipment anti-theft device (1) is connected.When system (D) powers, steal high-tension line (M) lead, power transformer (B2) and low-voltage circuit (N) lead if any the people, power equipment anti-theft device (1) can effectively be reported to the police; After system (D) has a power failure, relay (J1) in the impedance detection circuit (2) discharges, all normally-closed contacts of relay (J1) are connected, the positive source of power circuit (IV) is successively through normally-closed contact (J1-3) in the power equipment anti-theft device (1), resistance (R21), normally-closed contact (J1-2), the main coil (L1) of power transformer (B1), button (ANx), low-voltage circuit (N), power transformer (B2), relay (J1) normally-closed contact (J1-1) to the power cathode of the middle power circuit (IV) of power equipment anti-theft device (1) constitutes a DC loop, because low-voltage circuit (N) is lower with the series direct current impedance of power transformer (B2) low-voltage coil, so it is also lower to be added in the voltage of diode (D18) two ends formation, the utility model is not reported to the police, and illustrates that power transformer (B2) and low-voltage circuit (N) are not removed; When low-voltage circuit (N) or power transformer (B2) when low-voltage coil opens circuit, can form a higher direct voltage at diode (D18) two ends, operational amplifier (IC1-4) is through diode (D17) output low level, triggering power equipment anti-theft device (1) reports to the police, thereby after system (D) has a power failure, also can continue to keep monitoring to power transformer (B2) and low-voltage circuit (N) lead automatically, improved the antitheft monitoring surface of power equipment anti-theft device, whether have a power failure no matter reach system (D), can both carry out the purpose of burglar alarm effectively.
The beneficial effects of the utility model are, whether stolen maintenance is monitored to high-tension line (M), power transformer (B2) and low-voltage circuit (N) lead in the time of can not only powering in system (D), and can also be after system (D) has a power failure, automatically proceed monitoring to power transformer (B2) and low-voltage circuit (N) lead be whether stolen, no matter whether system (D) has a power failure, can both carry out burglar alarm effectively, this is stolen to preventing power equipment, reduce property loss, improving power supply reliability has positive effect.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
1. power equipment anti-theft devices among the figure, 2. impedance detection circuit, B2. power transformer, N. low-voltage circuit, M. high-tension line, D. system, the power circuit in the IV. power equipment anti-theft device.
Embodiment
In Fig. 1, on the power transformer (B1) of power equipment anti-theft device (1), set up secondary coil (L3), in impedance detection circuit (2), the two ends of secondary coil (L3) respectively with rectifier diode (D23, D24) positive electrical connects, rectifier diode (D23, D24) positive pole respectively with rectifier diode (D25, D26) negative electricity connects, rectifier diode (D23, D24) negative pole, one end of relay (J1) coil is connected with the positive electrical of electric capacity (C11), rectifier diode (D25, D26) positive pole, the coil other end of relay (J1) is connected with the negative electricity of electric capacity (C11), make relay (J1) in low-voltage section also adhesive reliably, to improve job stability of the present utility model; Main coil (L1) end of power transformer (B1) is electrically connected with button (ANx) end, the other end of button (ANx) is electrically connected with a phase line in the low-voltage circuit (N), normally-closed contact (J1-2) end of main coil (L1) other end of power transformer (B1) and relay (J1), the normal end of making war in contact (J1-1) is electrically connected, the moving contact of contact (J1-1) is electrically connected with another phase line in the low-voltage circuit (N), the normally closed point in contact (J1-1) of relay (J1) and the negative pole of diode (D19), the positive pole of diode (D18), resistance (R18, R25) a end, the negative pole of electric capacity (C1), the negative electricity of power circuit (IV) connects in the power equipment anti-theft device (1), the positive pole of diode (D19) is connected with the negative electricity of diode (D20), the positive pole of diode (D20) is connected with the negative electricity of diode (D21), the negative pole of the positive pole of diode (D21) and diode (D18), the other end of resistance (R25), resistance (R20, R21) a end, normally-closed contact (J1-2) other end of relay (J1) is electrically connected, the other end of resistance (R20) is electrically connected with normally-closed contact (J1-3) end of relay (J1), normally-closed contact (J1-3) other end of relay (J1) and an end of resistance (R19), the positive electrical of power circuit (IV) connects in the power equipment anti-theft device (1), the other end of resistance (R21), the positive pole of electric capacity (C1) is electrically connected with the inverting input of operational amplifier (IC1-4), resistance (R18, R19) the other end is electrically connected with the in-phase input end of operational amplifier (IC1-4), the output of operational amplifier (IC1-4) is connected with the negative electricity of diode (D17), and the positive electrical of the diode (D15) in the positive pole of diode (D17) and the power equipment anti-theft device (1) is connected.Button (ANx) is used to detect the detection test button whether the utility model can report to the police as after having a power failure in system (D).
Claims (3)
1. a transformer tamper circuit in the case shell, has power equipment anti-theft device (1), it is characterized in that: power equipment anti-theft device (1) is electrically connected with impedance detection circuit (2).
2. transformer tamper circuit according to claim 1 is characterized in that: set up secondary coil (L3) on the power transformer of power equipment anti-theft device (1).
3. transformer tamper circuit according to claim 1, it is characterized in that: the two ends of secondary coil (L3) respectively with rectifier diode (D23, D24) positive electrical connects, rectifier diode (D23, D24) positive pole respectively with rectifier diode (D25, D26) negative electricity connects, rectifier diode (D23, D24) negative pole, one end of relay (J1) coil is connected with the positive electrical of electric capacity (C11), rectifier diode (D25, D26) positive pole, the coil other end of relay (J1) is connected with the negative electricity of electric capacity (C11), main coil (L1) end of power transformer (B1) is electrically connected with button (ANx) end, the other end of button (ANx) is electrically connected with a phase line in the low-voltage circuit (N), normally-closed contact (J1-2) end of main coil (L1) other end of power transformer (B1) and relay (J1), the normal end of making war in contact (J1-1) is electrically connected, the moving contact of contact (J1-1) is electrically connected with another phase line in the low-voltage circuit (N), the normally closed point in contact (J1-1) of relay (J1) and the negative pole of diode (D19), the positive pole of diode (D18), resistance (R18, R25) a end, the negative pole of electric capacity (C1), the negative electricity of power circuit (IV) connects in the power equipment anti-theft device (1), the positive pole of diode (D19) is connected with the negative electricity of diode (D20), the positive pole of diode (D20) is connected with the negative electricity of diode (D21), the negative pole of the positive pole of diode (D21) and diode (D18), the other end of resistance (R25), resistance (R20, R21) a end, normally-closed contact (J1-2) other end of relay (J1) is electrically connected, the other end of resistance (R20) is electrically connected with normally-closed contact (J1-3) end of relay (J1), normally-closed contact (J1-3) other end of relay (J1) and an end of resistance (R19), the positive electrical of power circuit (IV) connects in the power equipment anti-theft device (1), the other end of resistance (R21), the positive pole of electric capacity (C1) is electrically connected with the inverting input of operational amplifier (IC1-4), resistance (R18, R19) the other end is electrically connected with the in-phase input end of operational amplifier (IC1-4), the output of operational amplifier (IC1-4) is connected with the negative electricity of diode (D17), and the positive electrical of the diode (D15) in the positive pole of diode (D17) and the power equipment anti-theft device (1) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200626449U CN201017757Y (en) | 2007-03-06 | 2007-03-06 | Decomposing prevention circuit of transformer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200626449U CN201017757Y (en) | 2007-03-06 | 2007-03-06 | Decomposing prevention circuit of transformer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201017757Y true CN201017757Y (en) | 2008-02-06 |
Family
ID=39058255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200626449U Expired - Fee Related CN201017757Y (en) | 2007-03-06 | 2007-03-06 | Decomposing prevention circuit of transformer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201017757Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015008196A2 (en) | 2013-07-16 | 2015-01-22 | Batista Oliveira Costa Leal Miguel | System for operating and monitoring power cables |
| CN110456202A (en) * | 2019-08-23 | 2019-11-15 | 中控智慧(广东)科技有限公司 | A kind of tamper machine testing control circuit and electronic equipment |
-
2007
- 2007-03-06 CN CNU2007200626449U patent/CN201017757Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015008196A2 (en) | 2013-07-16 | 2015-01-22 | Batista Oliveira Costa Leal Miguel | System for operating and monitoring power cables |
| CN110456202A (en) * | 2019-08-23 | 2019-11-15 | 中控智慧(广东)科技有限公司 | A kind of tamper machine testing control circuit and electronic equipment |
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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: 20080206 Termination date: 20100306 |