CN201584031U - Transformer security circuit - Google Patents
Transformer security circuit Download PDFInfo
- Publication number
- CN201584031U CN201584031U CN2009202766344U CN200920276634U CN201584031U CN 201584031 U CN201584031 U CN 201584031U CN 2009202766344 U CN2009202766344 U CN 2009202766344U CN 200920276634 U CN200920276634 U CN 200920276634U CN 201584031 U CN201584031 U CN 201584031U
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- China
- Prior art keywords
- relay
- battery
- alarm
- circuit
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a transformer security circuit, which comprises a charger arranged in an AC circuit and a battery connected with the charger. The two ends of the battery are connected with a relay and an alarm in parallel, wherein the alarm is connected with the relay, and an actuation contact of the relay is arranged in a charge circuit. The transformer security circuit consists of a battery constant-voltage change-over switch, a battery current limiting change-over switch, a floating change-over switch, a loop change-over switch and the alarm, the DC voltage can be obtained through reducing, rectifying and filtering the voltage by the transformer, and the battery can be charged with the DC voltage so as to actuate the normally closed relay. When the battery is charged completely, the voltage stabilizing double-pole current is cut off, and the charging is terminated. When the power failure occurs suddenly, the power of the relay is cut off, the contact of the relay restores the normally closed position, the battery output circuit is conducted, and the alarm beings to flash for alarming. When the power restores the normal condition, the relay is actuated again, and the AC charging state is restored.
Description
Technical field
The utility model belongs to power equipment theft protection technical field, particularly a kind of transformer anti-theft circuit.
Background technology
In recent years, along with the end of upgrade of rural power grids, electric power enterprise has not only strengthened maintenance, the management responsibility to electric power facility, has also strengthened the responsibility of containment facility equipment operation safety constantly.To the theft electric power facility criminal offence that is becoming increasingly rampant; government agencies at all levels are in order to ensure the safety of local power grid; except urging public security organs at different levels to strengthen the dynamics of cracing down on crime, a series of strick precaution electric power facilities, the stolen safeguard measure of equipment have also been worked out specially.However, various places are about electric power facility, the stolen report of equipment, and end repeatly still appears in the newspapers.How to take precautions against that electric power facility, equipment are stolen to have become a difficult problem of electric power enterprise.In order to take precautions against the frequently stolen of power circuit facility, the various places electric power enterprise is all being sought best burglary-resisting installation, and traditional circuit, transformer anti-theft equipment have a variety of, also very advanced, all because of selling at exorbitant prices, maintenance is inconvenient, mode of operation is too complicated again, is unfavorable for large-area popularization.
The utility model content
The utility model provides a kind of transformer anti-theft circuit of simple in structure, cheap, good reliability.
A kind of transformer anti-theft circuit comprises charger that is arranged in the alternating circuit and the accumulator that is connected with charger, a described accumulator two ends relay in parallel and the alarm that is connected with relay, and the adhesive contact of described relay is arranged in the charging circuit.
Described charger one side is provided with voltage stabilizing diode.
The utility model is made up of accumulator constant voltage, current limliting, floating charge, loop switch and alarm, alternating voltage obtains DC voltage after by transformer step-down, rectification, filtering and makes the adhesive of closed type relay to charge in batteries, after the accumulator abundance, voltage stabilizing two utmost points finish by charging process, when unexpected power failure, relay electric-loss, its contact all reverts to normally closed position, the accumulator outlet line is connected, alarm begins flashing light alarm, when electric power just often, relay moves again, returns to the AC charging state.Thereby the purpose of reach power failure, reporting to the police is in time found line outage and confirms that transformer is stolen that the equipment that prevents is stolen.The utility model is practical simple, easy to maintenance, energy-efficient, and sound and light alarm is reliable continuously, can find to have a power failure in the very first time, in time reaches the spot; The equipment that prevents is stolen, is applicable to the circuit in rural area, suburb, remote area, the monitoring of transformer.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of transformer anti-theft circuit, comprise charger 3 that is arranged in the alternating circuit and the accumulator 1 that is connected with charger 3, described accumulator 1 a two ends relay 2 in parallel and the alarm 5 that is connected with relay 2, the adhesive contact of described relay 2 is arranged in the charging circuit.
Described charger 3 one sides are provided with voltage stabilizing diode 4.
The utility model is made up of accumulator constant voltage, current limliting, floating charge, loop switch and alarm, alternating voltage obtains DC voltage after by transformer step-down, rectification, filtering and makes the adhesive of closed type relay to charge in batteries, after the accumulator abundance, voltage stabilizing two utmost points finish by charging process, when unexpected power failure, relay electric-loss, its contact all reverts to normally closed position, the accumulator outlet line is connected, alarm begins flashing light alarm, when electric power just often, relay moves again, returns to the AC charging state.Thereby the purpose of reach power failure, reporting to the police is in time found line outage and confirms that transformer is stolen that the equipment that prevents is stolen.The utility model is practical simple, easy to maintenance, energy-efficient, and sound and light alarm is reliable continuously, can find to have a power failure in the very first time, in time reaches the spot; The equipment that prevents is stolen, is applicable to the circuit in rural area, suburb, remote area, the monitoring of transformer.
Claims (2)
1. transformer anti-theft circuit, it is characterized in that: it comprises charger that is arranged in the alternating circuit and the accumulator that is connected with charger, a described accumulator two ends relay in parallel and the alarm that is connected with relay, the adhesive contact of described relay is arranged in the charging circuit.
2. transformer anti-theft circuit as claimed in claim 1 is characterized in that: described charger one side is provided with voltage stabilizing diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202766344U CN201584031U (en) | 2009-12-08 | 2009-12-08 | Transformer security circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202766344U CN201584031U (en) | 2009-12-08 | 2009-12-08 | Transformer security circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584031U true CN201584031U (en) | 2010-09-15 |
Family
ID=42726039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202766344U Expired - Fee Related CN201584031U (en) | 2009-12-08 | 2009-12-08 | Transformer security circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584031U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325195A (en) * | 2013-05-30 | 2013-09-25 | 成都荣耀科技有限公司 | Alarm for preventing transformer from being stolen |
| CN103680031A (en) * | 2013-11-29 | 2014-03-26 | 江苏蒙哥马利电梯有限公司 | Transformer antitheft alarm |
-
2009
- 2009-12-08 CN CN2009202766344U patent/CN201584031U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325195A (en) * | 2013-05-30 | 2013-09-25 | 成都荣耀科技有限公司 | Alarm for preventing transformer from being stolen |
| CN103680031A (en) * | 2013-11-29 | 2014-03-26 | 江苏蒙哥马利电梯有限公司 | Transformer antitheft alarm |
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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: 20100915 Termination date: 20121208 |