CN203242091U - Low-voltage power line anti-theft system convenient to install - Google Patents
Low-voltage power line anti-theft system convenient to install Download PDFInfo
- Publication number
- CN203242091U CN203242091U CN 201320303905 CN201320303905U CN203242091U CN 203242091 U CN203242091 U CN 203242091U CN 201320303905 CN201320303905 CN 201320303905 CN 201320303905 U CN201320303905 U CN 201320303905U CN 203242091 U CN203242091 U CN 203242091U
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- rechargeable battery
- low
- light emitting
- emitting diode
- voltage power
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Abstract
The utility model discloses a low-voltage power line anti-theft system convenient to install. The system comprises an isolation transformer, a rectifier unit, a filter circuit, a rechargeable battery and an alarm circuit which are connected in series, wherein the isolation transformer is connected with a phase wire input wire and a neutral wire input wire, and a first relay is connected between the phase wire input wire and the neutral wire input wire. The alarm circuit is a first serial-parallel branch in which a second resistor and a light emitting diode set are connected in parallel with a first loudspeaker after being connected in series. A positive electrode of the first serial-parallel branch is connected with a positive electrode of the rechargeable battery, one end of a normally open output switch of the first relay is connected with a circuit between a negative electrode of the rechargeable battery and the filter circuit, and the other end of the normally open output switch is connected with a negative electrode of the first serial-parallel branch. By adopting the structure, the low-voltage power line anti-theft system has fewer components, is convenient to install and low in cost and can be used for sounding an alarm to inform joint defense personnel to rush to the scene to prevent a transformer from being stolen when the transformer losses voltage.
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 low-voltage power line burglary-resisting system of being convenient to install 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 low-voltage power line burglary-resisting system of being convenient to install, comprise the isolating transformer, rectification unit, filtering circuit, rechargeable battery and the warning circuit that connect in turn, described isolating transformer is connected with phase line input line and zero line input line, is connected with the first relay between described phase line input line and the zero line input line; Described warning circuit comprises the second resistance, the first loudspeaker and light emitting diode group, described light emitting diode group comprises the light emitting diode of a plurality of parallel connections, formation the first connection in series-parallel branch road in parallel with the first loudspeaker after described the second resistance is connected with the light emitting diode group, the positive pole of the first connection in series-parallel branch road is connected with the positive pole of rechargeable battery, described the first relay often open connection between output switch one end and negative electrode of chargeable battery and the filtering circuit, 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 rectification unit comprises two input ends and two output terminals, and two input ends of rectification unit are connected with isolating transformer, and two output terminals of rectification unit are connected with rechargeable battery with the filtering circuit negative pole respectively and are 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 two ends are connected with negative electrode of chargeable battery with the rectification unit output terminal respectively, connection between described the first electric capacity one end and rectification unit output terminal and the first resistance, its other end is connected with rechargeable battery is anodal.
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.
As preferably, described light emitting diode group comprises the light emitting diode of three parallel connections.
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, 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 a plurality of light emitting diode light emitting diode group that consists of in parallel, the utility model one-piece construction is simple, 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; When the utility model is used phase line input line and zero line input line are connected on the outlet line of power circuit transformer, it is convenient to install, the power circuit transformer is to the first relay and isolating transformer power supply, and the voltage of isolating transformer output is through rectification unit rectification and the backward rechargeable battery charging of filtering circuit filtering; 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, lumination of light emitting diode in the light emitting diode group, 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) warning circuit of the present utility model comprises the light emitting diode group that a plurality of parallel-connection light-emitting diodes consist of, so, the utility model can avoid single light emitting diode to damage and the accuracy of impact indication when using, and has further improved the reliability when the utility model is used; When warning circuit has a plurality of light emitting diode, can improve luminous intensity, therefore, the utility model not only can be arranged on joint defence personnel office and be used for reporting to the police, also can be arranged on transformer field and when transformer is stolen, adopt acousto-optic in conjunction with coming the lawless person is warned, utilize namely that loudspeaker sounding and light emitting diode group are luminous to be warned the lawless person.
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, C1, the first electric capacity, Y1, the first loudspeaker, LED1, the first light emitting diode, LED2, the second light emitting diode, LED3, the 3rd light emitting diode, KJ, often open output switch, FU, fusible link.
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 low-voltage power line burglary-resisting system of being convenient to install, comprise the first relay J 1, isolating transformer B, rectification unit 3, filtering 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 phase line input line 1, and the zero line input end of the first relay J 1 is connected with zero line input line 2.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 are connected with rechargeable battery E with the filtering circuit negative pole respectively and are connected, and as preferably, rectification unit 3 adopts bridge rectifier circuits.Filtering circuit comprises the first resistance R 1 and the first capacitor C 1, wherein, the first resistance R 1 two ends are connected with rechargeable battery E negative pole with rectification unit 3 output terminals respectively, connection between the first capacitor C 1 one ends and rectification unit 3 output terminals and the first resistance R 1, its other end is connected with rechargeable battery E is anodal.
Warning circuit comprises the second resistance R 2, the first loudspeaker Y1 and light emitting diode group, wherein, the light emitting diode group comprises the light emitting diode of a plurality of parallel connections, formation the first connection in series-parallel branch road in parallel with the first loudspeaker Y1 after the second resistance R 2 is connected with the light emitting diode group, the positive pole of the first connection in series-parallel branch road is connected with the positive pole of rechargeable battery E, the first relay J 1 often open connection between output switch KJ one end and rechargeable battery E negative pole and the filtering circuit, its other end is connected with the negative pole of the first connection in series-parallel branch road.The quantity of light emitting diode group is preferably three in the present embodiment, and three light emitting diode groups are respectively the first light-emitting diodes LED1, the second LED 2 and the 3rd LED 3.
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 (6)
1. be convenient to the low-voltage power line burglary-resisting system of installing, it is characterized in that: comprise the isolating transformer (B), rectification unit (3), filtering circuit, rechargeable battery (E) and the warning circuit that connect in turn, described isolating transformer (B) is connected with phase line input line (1) and zero line input line (2), is connected with the first relay (J1) between described phase line input line (1) and the zero line input line (2); Described warning circuit comprises the second resistance (R2), the first loudspeaker (Y1) and light emitting diode group, described light emitting diode group comprises the light emitting diode of a plurality of parallel connections, formation the first connection in series-parallel branch road in parallel with the first loudspeaker (Y1) after described the second resistance (R2) is connected with the light emitting diode group, the positive pole of the first connection in series-parallel branch road is connected with the positive pole of rechargeable battery (E), described the first relay (J1) often open connection between output switch (KJ) end and rechargeable battery (E) negative pole and the filtering circuit, its other end is connected with the negative pole of the first connection in series-parallel branch road.
2. the low-voltage power line burglary-resisting system of being convenient to install 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), and two output terminals of rectification unit (3) are connected E with the filtering circuit negative pole respectively with rechargeable battery) the anodal connection.
3. the low-voltage power line burglary-resisting system of being convenient to install according to claim 2, it is characterized in that: described filtering circuit comprises the first resistance (R1) and the first electric capacity (C1), E is connected with rectification unit (3) output terminal respectively in described the first resistance (R1) two ends with rechargeable battery) negative pole is connected, connection between described the first electric capacity (C1) end and rectification unit (3) output terminal and the first resistance (R1), its other end is connected with rechargeable battery (E) is anodal.
4. the low-voltage power line burglary-resisting system of being convenient to install according to claim 2, it is characterized in that: described rectification unit (3) is bridge rectifier circuit.
5. the described low-voltage power line burglary-resisting system of being convenient to install of any one is characterized in that: be in series with fusible link (FU) on the described phase line input line (1) according to claim 1～4.
6. the described low-voltage power line burglary-resisting system of being convenient to install of any one according to claim 1～4, it is characterized in that: described light emitting diode group comprises the light emitting diode of three parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320303905 CN203242091U (en) | 2013-05-30 | 2013-05-30 | Low-voltage power line anti-theft system convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320303905 CN203242091U (en) | 2013-05-30 | 2013-05-30 | Low-voltage power line anti-theft system convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203242091U true CN203242091U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320303905 Expired - Fee Related CN203242091U (en) | 2013-05-30 | 2013-05-30 | Low-voltage power line anti-theft system convenient to install |
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| CN (1) | CN203242091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280055A (en) * | 2013-05-30 | 2013-09-04 | 成都荣耀科技有限公司 | Low-voltage electric power circuit anti-theft system capable of improving alarm function |
-
2013
- 2013-05-30 CN CN 201320303905 patent/CN203242091U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280055A (en) * | 2013-05-30 | 2013-09-04 | 成都荣耀科技有限公司 | Low-voltage electric power circuit anti-theft system capable of improving alarm function |
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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: 20131016 Termination date: 20140530 |