CN203250377U - Compact antitheft apparatus for transformer - Google Patents
Compact antitheft apparatus for transformer Download PDFInfo
- Publication number
- CN203250377U CN203250377U CN 201320303890 CN201320303890U CN203250377U CN 203250377 U CN203250377 U CN 203250377U CN 201320303890 CN201320303890 CN 201320303890 CN 201320303890 U CN201320303890 U CN 201320303890U CN 203250377 U CN203250377 U CN 203250377U
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- triode
- resistance
- rechargeable battery
- rectification unit
- connection
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Abstract
The utility model discloses a compact antitheft apparatus for a transformer. The antitheft apparatus comprises a first relay (J1), an isolation transformer (B), a rectification unit (3), a filter circuit, a voltage stabilizing circuit, a rechargeable battery (E) and an alarm circuit, wherein the isolation transformer (B) is connected with a phase line incoming line (1) and a zero line incoming line (2). The voltage stabilizing circuit comprises a first triode (Q1), a third resistor (R3) and a first voltage-regulator tube (DW1). The alarm circuit comprises a second resistor (R2), a first loudspeaker (Y1) and a first light emitting diode (LED1). The antitheft apparatus is simple and compact in structure, easy to achieve, low in cost and convenient to popularize and apply. When the transformer loses voltage, the antitheft apparatus gives an alarm, and joint defense staffs rush to the site to admonish lawless persons, and thus the transformer is protected from being stolen.
Description
Technical field
The utility model relates to power line anti-theft equipment, specifically is used for the warning device of low tension wire when antitheft.
Background technology
The reliable supply of the supply of electric power, particularly electric power safety is society, enterprise, the common people and media spotlight always.Because safety, stable, reliably electric power supply are concerning the development of national economy, concerning the construction of harmonious society, concerning the people's vital interests.Present most of electric power facility all is in the open air, the stolen event frequent occurrence of electric power facility.Wherein, stolen comparatively general at the transformer that the stolen event mesolow of electric power facility power circuit is supporting, the general cost of warning device when being used for now the transformer anti-theft of low-voltage power line is higher, and this has affected applying of burglar alarm.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of compact transformer anti-theft device is provided, and its one-piece construction is simple, be convenient to realize, with low cost, and can send warning when the transformer decompression.
The purpose of this utility model is achieved through the following technical solutions: the compact transformer anti-theft device, comprise the first relay, warning circuit and the isolating transformer, rectification unit, filtering circuit, mu balanced circuit and the rechargeable battery that connect in turn, described isolating transformer is connected with phase line input line and zero line input line, and described the first relay phase line input end is connected with the zero line input end with the phase line input line and is connected with the zero line input line; Described mu balanced circuit comprises the first triode, the 3rd resistance and the first stabilivolt, the collector and emitter of described the first triode respectively with filtering circuit anodal be connected with rechargeable battery be connected, connection between described the 3rd resistance one end and the first transistor collector and the filtering circuit positive pole, its other end is connected with the base stage of the first triode, described the first stabilivolt negative pole is connected on the circuit between the 3rd resistance and the first transistor base, and the first stabilivolt is anodal to be connected with negative electrode of chargeable battery; Described warning circuit comprises the second resistance, the first loudspeaker and the first light emitting diode, formation first connection in series-parallel branch road in parallel with the first loudspeaker after described the second resistance is connected with the first light emitting diode, the positive pole of the first connection in series-parallel branch road is connected with the positive pole of rechargeable battery, output switch one end of often opening of described the first relay is connected with negative electrode of chargeable battery, and its other end is connected with the negative pole of the first connection in series-parallel branch road.Wherein, phase line input line and zero line input line were connected on the outlet line of power circuit transformer when the utility model was used, and often opened the keying of output switch and were controlled by the first relay.
Described mu balanced circuit also comprises the second electric capacity and the 3rd electric capacity, the connection between described the second electric capacity one end and the first transistor base and the 3rd resistance, and its other end is connected with negative electrode of chargeable battery; Connection between described the 3rd electric capacity one end and the first transistor emitter and the rechargeable battery positive pole, its other end is connected with negative electrode of chargeable battery.Wherein, the 3rd electric capacity forms overvoltage protection electric capacity, thereby voltage is stable when further guaranteeing the utility model work.
As preferably, described the first triode is the NPN triode.
Described rectification unit comprises two input ends and two output terminals, and two input ends of rectification unit are connected with isolating transformer, two output terminals of rectification unit respectively with the filtering circuit negative pole be connected transistor collector and be connected.Wherein, when rectification unit was connected with isolating transformer, two input end and isolating transformer two output terminals connected one to one.
Described filtering circuit comprises the first resistance and the first electric capacity, described the first resistance one end is connected with the rectification unit output terminal, its other end is connected with negative electrode of chargeable battery, connection between described the first electric capacity one end and rectification unit output terminal and the first resistance, the connection between its other end and rectification unit output terminal and the first transistor collector.
As preferably, described rectification unit is bridge rectifier circuit.
Be in series with fusible link on the described phase line input line.Wherein, can avoid under the effect of fusible link that voltage input is too high to cause damage to components and parts of the present utility model.
Compared with prior art, the utlity model has following beneficial effect: (1) the utility model comprises the first relay, isolating transformer, rectification unit, filtering circuit, mu balanced circuit, rechargeable battery and warning circuit, wherein, isolating transformer comprises phase line input line and zero line input line, warning circuit comprises the second resistance, the first loudspeaker and the first light emitting diode, the utility model one-piece construction is simple, compact, the use components and parts are few, be convenient to realize, with low cost, and then be convenient to of the present utility model applying; Phase line input line and zero line input line were connected on the outlet line of power circuit transformer when the utility model was used, the power circuit transformer is to the first relay and isolating transformer power supply, and the voltage of isolating transformer output is through the backward rechargeable battery charging of rectification unit rectification, filtering circuit filtering and mu balanced circuit voltage stabilizing; The utility model is after the stolen decompression of power circuit transformer, the first relay makes and often opens the output switch closure, rechargeable battery and warning circuit are connected and are that warning circuit is powered, the first lumination of light emitting diode, simultaneously the first loudspeaker sends alert notice joint defence personnel and rushes towards and on-the-spot the lawless person being admonished, and then can avoid in the low-voltage power line transformer stolen.
(2) mu balanced circuit of the present utility model comprises the first triode, the 3rd resistance and the first stabilivolt, when the utility model is used, the utility model utilizes the voltage clamping characteristic of stabilivolt, when the reverse voltage of the first stabilivolt reaches its breakdown voltage rating, avalanche type conducting effect will appear in the first stabilivolt, thereby clamp the voltage on the load voltage value, the utility model amplifies by the first triode again adjusts voltage, and then finish voltage stabilizing requirement to charging voltage, so, can avoid unstable and cause rechargeable battery to damage to the charging voltage of rechargeable battery.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The corresponding name of Reference numeral is called in the accompanying drawing: 1, phase line input line, 2, the zero line output line, 3, rectification unit, J1, the first relay, B, isolating transformer, E, rechargeable battery, R1, the first resistance, R2, the second resistance, R3, the 3rd resistance, C1, the first electric capacity, C2, the second electric capacity, C3, the 3rd electric capacity, DW1, the first stabilivolt, Q1, the first triode, Y1, the first loudspeaker, LED1, the first light emitting diode, are often opened output switch, FU, fusible link at KJ.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment:
As shown in Figure 1, the compact transformer anti-theft device, comprise the first relay J 1, isolating transformer B, rectification unit 3, filtering circuit, mu balanced circuit, rechargeable battery E and warning circuit, wherein, isolating transformer B is connected with phase line input line 1 and zero line input line 2, is in series with fusible link FU on the phase line input line 1.The first relay J 1 phase line input end is connected with the zero line input end to be connected with the zero line input line with phase line input line 1 and is connected.Mu balanced circuit comprises the first triode Q1, the 3rd resistance R 3, the first stabilivolt DW1, the second capacitor C 2 and the 3rd capacitor C 3, and wherein, the first triode Q1 is the NPN triode.The collector and emitter of the first triode Q1 respectively with filtering circuit anodal be connected with rechargeable battery E be connected, connection between the 3rd resistance R 3 one ends and the first triode Q1 collector and the filtering circuit positive pole, its other end is connected with the base stage of the first triode Q1, the first stabilivolt DW1 negative pole is connected on the circuit between the 3rd resistance R 3 and the first triode Q1 base stage, and the first stabilivolt DW1 is anodal to be connected with rechargeable battery E negative pole.Connection between the second capacitor C 2 one ends and the first triode Q1 base stage and the 3rd resistance R 3, its other end is connected with rechargeable battery E negative pole.Connection between the 3rd capacitor C 3 one ends and the first triode Q1 emitter and the rechargeable battery E positive pole, its other end is connected with rechargeable battery E negative pole.
Warning circuit comprises the second resistance R 2, the first loudspeaker Y1 and the first LED 1, wherein, formation first connection in series-parallel branch road in parallel with the first loudspeaker Y1 after the second resistance R 2 is connected with the first LED 1, the positive pole of the first connection in series-parallel branch road is connected with the positive pole of rechargeable battery E, output switch KJ one end of often opening of the first relay J 1 is connected with rechargeable battery E negative pole, and its other end is connected with the negative pole of the first connection in series-parallel branch road.
Above content is the further description of the utility model being done in conjunction with concrete preferred implementation, can not assert that embodiment of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not breaking away from other embodiments that draw under the technical solution of the utility model, all should be included in the protection domain of the present utility model.
Claims (7)
1. compact transformer anti-theft device, it is characterized in that: comprise the first relay (J1), warning circuit and the isolating transformer (B), rectification unit (3), filtering circuit, mu balanced circuit and the rechargeable battery (E) that connect in turn, described isolating transformer (B) is connected with phase line input line (1) and zero line input line (2), described the first relay (J1) phase line input end be connected with the zero line input end with phase line input line (1) be connected 2 with the zero line input line) be connected; Described mu balanced circuit comprises the first triode (Q1), the 3rd resistance (R3) and the first stabilivolt (DW1), the collector and emitter of described the first triode (Q1) respectively with the anodal E of being connected with rechargeable battery of filtering circuit) positive pole is connected, connection between described the 3rd resistance (R3) end and the first triode (Q1) collector and the filtering circuit positive pole, its other end is connected with the base stage of the first triode (Q1), described the first stabilivolt (DW1) negative pole is connected on the circuit between the 3rd resistance (R3) and the first triode (Q1) base stage, and the first stabilivolt (DW1) is anodal to be connected with rechargeable battery (E) negative pole; Described warning circuit comprises the second resistance (R2), the first loudspeaker (Y1) and the first light emitting diode (LED1), formation first connection in series-parallel branch road in parallel with the first loudspeaker (Y1) after described the second resistance (R2) is connected with the first light emitting diode (LED1), the positive pole of the first connection in series-parallel branch road is connected with the positive pole of rechargeable battery (E), output switch (KJ) end of often opening of described the first relay (J1) is connected with rechargeable battery (E) negative pole, and its other end is connected with the negative pole of the first connection in series-parallel branch road.
2. compact transformer anti-theft device according to claim 1, it is characterized in that: described mu balanced circuit also comprises the second electric capacity (C2) and the 3rd electric capacity (C3), connection between described the second electric capacity (C2) end and the first triode (Q1) base stage and the 3rd resistance (R3), its other end is connected with rechargeable battery (E) negative pole; Connection between described the 3rd electric capacity (C3) end and the first triode (Q1) emitter and rechargeable battery (E) positive pole, its other end is connected with rechargeable battery (E) negative pole.
3. compact transformer anti-theft device according to claim 1, it is characterized in that: described the first triode (Q1) is the NPN triode.
4. compact transformer anti-theft device according to claim 1, it is characterized in that: described rectification unit (3) comprises two input ends and two output terminals, two input ends of rectification unit (3) are connected with isolating transformer (B), two output terminals of rectification unit (3) respectively with the filtering circuit negative pole be connected triode (Q1) collector and be connected.
5. compact transformer anti-theft device according to claim 4, it is characterized in that: described filtering circuit comprises the first resistance (R1) and the first electric capacity (C1), described the first resistance (R1) end is connected with rectification unit (3) output terminal, its other end is connected with rechargeable battery (E) negative pole, connection between described the first electric capacity (C1) end and rectification unit (3) output terminal and the first resistance (R1), the connection between its other end and rectification unit (3) output terminal and the first triode (Q1) collector.
6. compact transformer anti-theft device according to claim 4, it is characterized in that: described rectification unit (3) is bridge rectifier circuit.
7. the described compact transformer anti-theft device of any one according to claim 1～6 is characterized in that: be in series with fusible link (FU) on the described phase line input line (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320303890 CN203250377U (en) | 2013-05-30 | 2013-05-30 | Compact antitheft apparatus for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320303890 CN203250377U (en) | 2013-05-30 | 2013-05-30 | Compact antitheft apparatus for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203250377U true CN203250377U (en) | 2013-10-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320303890 Expired - Fee Related CN203250377U (en) | 2013-05-30 | 2013-05-30 | Compact antitheft apparatus for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203250377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325194A (en) * | 2013-05-30 | 2013-09-25 | 成都荣耀科技有限公司 | Simple anti-theft device of transformer |
-
2013
- 2013-05-30 CN CN 201320303890 patent/CN203250377U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325194A (en) * | 2013-05-30 | 2013-09-25 | 成都荣耀科技有限公司 | Simple anti-theft device of transformer |
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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: 20131023 Termination date: 20140530 |