CN103325196A - Low-voltage electric power circuit anti-theft system with warning function - Google Patents
Low-voltage electric power circuit anti-theft system with warning function Download PDFInfo
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- CN103325196A CN103325196A CN2013102087679A CN201310208767A CN103325196A CN 103325196 A CN103325196 A CN 103325196A CN 2013102087679 A CN2013102087679 A CN 2013102087679A CN 201310208767 A CN201310208767 A CN 201310208767A CN 103325196 A CN103325196 A CN 103325196A
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Abstract
The invention discloses a low-voltage electric power circuit anti-theft system with a warning function. The low-voltage electric power circuit anti-theft system with the warning function comprises a warning circuit, an isolation transformer, a rectifying unit, a filter circuit and a rechargeable battery, wherein the isolation transformer, the rectifying unit, the filter circuit and the rechargeable battery are connected in sequence, the isolation transformer is connected with a phase line input line and a null line input line, and a first relay is connected between the phase line input line and the null line input line. The warning circuit comprises a second resistor, a first loudspeaker and a light-emitting diode set, wherein the light-emitting diode set comprises a plurality of light-emitting diodes which are connected in series and voltage regulator tubes, the number of the voltage regulator tubes is equal to that of the light-emitting diodes, and each light-emitting diode corresponds to a reverse voltage regulator tube and is connected with the reverse voltage regulator tube in parallel. The low-voltage electric power circuit anti-theft system with the warning function is simple in overall structure, small in number of components, and low in cost. The low-voltage electric power circuit anti-theft system with the warning function can be used for giving an alarm in the area which is in the charge of joint defense personnel who are on duty and can also be used for warning lawbreakers in a transformer site of a low-voltage electric power circuit, and therefore the low-voltage electric power circuit anti-theft system with the warning function has good anti-theft performance.
Description
Technical field
The present invention relates to power line anti-theft equipment, specifically be 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.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of low-voltage power line burglary-resisting system with alarm function is provided, its one-piece construction is simple, be convenient to realize, with low cost, and can send warning when the transformer decompression.
Purpose of the present invention is achieved through the following technical solutions: with the low-voltage power line burglary-resisting system of alarm function, comprise warning circuit and the isolating transformer, rectification unit, filtering circuit and the rechargeable battery 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 light emitting diode and the stabilivolt identical with light emitting diode quantity of a plurality of series connection, the stabilivolt of the corresponding reversal connection in parallel of each 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 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 present invention 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 invention.
As preferably, described light emitting diode group comprises the light emitting diode of three series connection.
Compared with prior art, the present invention has following beneficial effect: (1) the present invention includes 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, and warning circuit comprises the second resistance, the first loudspeaker and light emitting diode group, and one-piece construction of the present invention is simple, the use components and parts are few, be convenient to realize, with low cost, and then be convenient to of the present invention applying; Phase line input line and zero line input line were connected on the outlet line of power circuit transformer when the present invention used, 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 present invention 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) light emitting diode group of the present invention comprises the light emitting diode of a plurality of series connection, and all be parallel with the stabilivolt of a reversal connection in the light emitting diode group on each light emitting diode, so, when the present invention uses, the branch road that stabilivolt in parallel consists of on each light emitting diode consists of the holding circuit of warning circuit, when the lamp pearl of certain light emitting diode is opened circuit, the stabilivolt in parallel with it devoted oneself to work, thereby can avoid circuit to open circuit, the present invention can avoid single light emitting diode to damage and the accuracy of impact indication when using, and has further improved the reliability when the present invention uses; When warning circuit has a plurality of light emitting diode, can improve luminous intensity, therefore, the present invention 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 embodiment of the invention.
The corresponding name of Reference numeral is called in the accompanying drawing: 1, phase line input line, 2, 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, DW1, the first stabilivolt, DW2, the second stabilivolt, DW3, the 3rd stabilivolt, are often opened output switch, FU, fusible link at KJ.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited to this.
Embodiment:
As shown in Figure 1, low-voltage power line burglary-resisting system with alarm function, 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 light emitting diode and the stabilivolt identical with light emitting diode quantity of a plurality of series connection, the stabilivolt of the corresponding reversal connection in parallel of each light emitting diode, 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 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 light emitting diode group preferably includes the light emitting diode of three series connection in the present embodiment, three light emitting diodes are respectively the first stabilivolt DW1, the second stabilivolt DW2 and the 3rd stabilivolt DW3 that is parallel with respectively reversal connection on the first LED 1, the second LED 2 and 3, three light emitting diodes of the 3rd LED.
Above content is in conjunction with the further description of concrete preferred implementation to the present invention's work, can not assert that the specific embodiment of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, not breaking away from other embodiments that draw under the technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (6)
1. with the low-voltage power line burglary-resisting system of alarm function, it is characterized in that: comprise warning circuit and the isolating transformer (B), rectification unit (3), filtering 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), 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 light emitting diode and the stabilivolt identical with light emitting diode quantity of a plurality of series connection, the stabilivolt of the corresponding reversal connection in parallel of each light emitting diode, 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 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 with alarm function 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 with alarm function 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 with alarm function 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 with alarm function 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 with alarm function 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 series connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102087679A CN103325196A (en) | 2013-05-30 | 2013-05-30 | Low-voltage electric power circuit anti-theft system with warning function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102087679A CN103325196A (en) | 2013-05-30 | 2013-05-30 | Low-voltage electric power circuit anti-theft system with warning function |
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| CN2013102087679A Pending CN103325196A (en) | 2013-05-30 | 2013-05-30 | Low-voltage electric power circuit anti-theft system with warning function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO101694B1 (en) * | 1988-11-14 | 1992-02-28 | Anti-theft signalling installation for electrically fitted buildings | |
| CN2227361Y (en) * | 1994-09-14 | 1996-05-15 | 李永金 | Anti-theft siren for power line and transformer |
| CN201716802U (en) * | 2010-05-28 | 2011-01-19 | 黄传易 | Anti-theft alarm device for power line transformer |
| CN202652594U (en) * | 2012-07-03 | 2013-01-02 | 成都市宏山科技有限公司 | Light emitting diode driver possessing protection path |
| CN203242093U (en) * | 2013-05-30 | 2013-10-16 | 成都荣耀科技有限公司 | Low-voltage power line anti-theft system with alarm function |
-
2013
- 2013-05-30 CN CN2013102087679A patent/CN103325196A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO101694B1 (en) * | 1988-11-14 | 1992-02-28 | Anti-theft signalling installation for electrically fitted buildings | |
| CN2227361Y (en) * | 1994-09-14 | 1996-05-15 | 李永金 | Anti-theft siren for power line and transformer |
| CN201716802U (en) * | 2010-05-28 | 2011-01-19 | 黄传易 | Anti-theft alarm device for power line transformer |
| CN202652594U (en) * | 2012-07-03 | 2013-01-02 | 成都市宏山科技有限公司 | Light emitting diode driver possessing protection path |
| CN203242093U (en) * | 2013-05-30 | 2013-10-16 | 成都荣耀科技有限公司 | Low-voltage power line anti-theft system with alarm function |
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Application publication date: 20130925 |