CN103325194A - Simple anti-theft device of transformer - Google Patents

Simple anti-theft device of transformer Download PDF

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Publication number
CN103325194A
CN103325194A CN2013102078059A CN201310207805A CN103325194A CN 103325194 A CN103325194 A CN 103325194A CN 2013102078059 A CN2013102078059 A CN 2013102078059A CN 201310207805 A CN201310207805 A CN 201310207805A CN 103325194 A CN103325194 A CN 103325194A
Authority
CN
China
Prior art keywords
circuit
transformer
triode
rechargeable battery
theft
Prior art date
Application number
CN2013102078059A
Other languages
Chinese (zh)
Inventor
曾嵘
高宏宇
刘进朝
张宗刚
钟翼
罗怡
罗涛
Original Assignee
成都荣耀科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 成都荣耀科技有限公司 filed Critical 成都荣耀科技有限公司
Priority to CN2013102078059A priority Critical patent/CN103325194A/en
Publication of CN103325194A publication Critical patent/CN103325194A/en

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Abstract

The invention discloses a simple anti-theft device of a transformer. An alarm circuit comprises a second resistor R2, a first loud speaker Y1 and a first light-emitting diode. After the second resistor R2 and the first light-emitting diode are in series connection, the second resistor R2 is in parallel connection with the first louder speaker Y1 to form a first series-parallel connection branch, the positive pole of the first series-parallel connection branch is connected with the positive pole of a rechargeable battery E, one end of a normally-opened output switch KJ of a first relay J1 is connected with the negative pole of the rechargeable battery E, and the other end of the normally-opened output switch KJ of the first relay J1 is connected with the negative pole of the first series-parallel connection branch. The above content is the further detailed description to the simple anti-theft device combining a specific optimization mode of execution, the detailed mode of execution, which can not identify the simple anti-theft device of the transformer can only be limited in the description. For common technicists in the technical field of the simple anti-theft device, other obtained modes of execution, which are not separated from the technical scheme, should all be included in the protecting range of the simple anti-theft device of the transformer.

Description

Simple and easy anti-theft device for transformer
Technical field
The present invention relates to the power circuit burglary-resisting installation, the warning device when specifically being antitheft for low tension wire.
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, electric power supply reliably 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, and the stolen event of electric power facility frequently takes place.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 the transformer anti-theft of low-voltage power line now is higher, and this has influenced applying of burglar alarm.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of simple and easy anti-theft device for transformer 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: simple and easy anti-theft device for transformer, comprise 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 the described first relay phase line input end is connected with the zero line input line with the phase line input line respectively with the zero line input end; Described mu balanced circuit comprises first triode, the 3rd resistance and first stabilivolt, the collector and emitter of described first triode is connected with rechargeable battery is anodal with filtering circuit is anodal respectively, described the 3rd resistance one end is connected with circuit between first transistor collector and the filtering circuit positive pole, its other end is connected with the base stage of first triode, the described first stabilivolt negative pole is connected on the circuit between the 3rd resistance and first transistor base, and first stabilivolt is anodal to be connected with the rechargeable battery negative pole; Described warning circuit comprises second resistance, first loudspeaker and first light emitting diode, the formation first connection in series-parallel branch road in parallel with first loudspeaker after described second resistance is connected with 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 first relay is connected with the rechargeable battery negative pole, 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 present invention used, and often opened the keying of output switch and were controlled by first relay.
Described mu balanced circuit also comprises second electric capacity and the 3rd electric capacity, and described second electric capacity, one end is connected with circuit between first transistor base and the 3rd resistance, and its other end is connected with the rechargeable battery negative pole; Described the 3rd electric capacity one end is connected with circuit between first transistor emitter and the rechargeable battery positive pole, and its other end is connected with the rechargeable battery negative pole.Wherein, the 3rd electric capacity forms overvoltage protection electric capacity, thereby voltage is stable when guaranteeing further that the present invention works.
As preferably, described 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, and two output terminals of rectification unit are connected with first transistor collector with the filtering circuit negative pole respectively.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 first resistance and first electric capacity, described first resistance, one end is connected with the rectification unit output terminal, its other end is connected with the rechargeable battery negative pole, described first electric capacity, one end is connected with circuit between rectification unit output terminal and first resistance, and its other end is connected with circuit between rectification unit output terminal and 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 invention.
Compared with prior art, the present invention has following beneficial effect: (1) the present invention includes 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 second resistance, first loudspeaker and first light emitting diode, one-piece construction of the present invention 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 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 charges to rechargeable battery after the rectification of voltage process rectification unit, filtering circuit filtering and the mu balanced circuit voltage stabilizing of isolating transformer output to first relay and isolating transformer power supply; The present invention is after the stolen decompression of power circuit transformer, first relay makes and often opens the output switch closure, rechargeable battery and warning circuit are connected and are that warning circuit is powered, first lumination of light emitting diode, simultaneously 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 invention comprises first triode, the 3rd resistance and first stabilivolt, when the present invention uses, the present invention utilizes the voltage clamper characteristic of stabilivolt, when the reverse voltage of first stabilivolt reaches its breakdown voltage rating, avalanche type conducting effect will appear in first stabilivolt, thereby clamp the voltage on the load voltage value, the present invention amplifies adjustment voltage by first triode again, 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 embodiment of the invention.
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, first relay, B, isolating transformer, E, rechargeable battery, R1, first resistance, R2, second resistance, R3, the 3rd resistance, C1, first electric capacity, C2, second electric capacity, C3, the 3rd electric capacity, DW1, first stabilivolt, Q1, first triode, Y1, first loudspeaker, LED1, first light emitting diode, are often driven 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 thereto.
Embodiment:
As shown in Figure 1, simple and easy anti-theft device for transformer, comprise 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.First relay J, 1 phase line input end is connected with zero line input line 2 with phase line input line 1 respectively with the zero line input end.Mu balanced circuit comprises the first triode Q1, the 3rd resistance R 3, the first stabilivolt DW1, 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 is connected with rechargeable battery E is anodal with filtering circuit is anodal respectively, the 3rd resistance R 3 one ends are connected with circuit between 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.Second capacitor C, 2 one ends are connected with circuit between the first triode Q1 base stage and the 3rd resistance R 3, and its other end is connected with rechargeable battery E negative pole.The 3rd capacitor C 3 one ends are connected with circuit between the first triode Q1 emitter and the rechargeable battery E positive pole, and its other end is connected with rechargeable battery E negative pole.
Rectification unit 3 comprises two input ends and two output terminals, and two input ends of rectification unit 3 are connected with isolating transformer B, and two output terminals of rectification unit 3 are connected with the first triode Q1 collector with the filtering circuit negative pole respectively.Wherein, rectification unit 3 is preferably bridge rectifier circuit in the present embodiment.Filtering circuit comprises first resistance R 1 and first capacitor C 1, first resistance R, 1 one ends are connected with rectification unit 3 output terminals, its other end is connected with rechargeable battery E negative pole, first capacitor C, 1 one ends are connected with circuit between rectification unit 3 output terminals and first resistance R 1, and its other end is connected with circuit between rectification unit 3 output terminals and the first triode Q1 collector.
Warning circuit comprises second resistance R 2, the first loudspeaker Y1 and first LED 1, wherein, the formation first connection in series-parallel branch road in parallel with the first loudspeaker Y1 after second resistance R 2 is connected with 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 K switch J one end of often opening of 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 be in conjunction with concrete preferred implementation to further describing that the present invention does, 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 (7)

1. simple and easy anti-theft device for transformer, it is characterized in that: comprise 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), and described first relay (J1) phase line input end is connected with zero line input line (2) with phase line input line (1) respectively with the zero line input end; Described mu balanced circuit comprises first triode (Q1), the 3rd resistance (R3) and first stabilivolt (DW1), the collector and emitter of described first triode (Q1) is connected with rechargeable battery (E) is anodal with filtering circuit is anodal respectively, described the 3rd resistance (R3) end is connected with circuit between first triode (Q1) collector and the filtering circuit positive pole, its other end is connected with the base stage of first triode (Q1), described first stabilivolt (DW1) negative pole is connected on the circuit between the 3rd resistance (R3) and first triode (Q1) base stage, and first stabilivolt (DW1) is anodal to be connected with rechargeable battery (E) negative pole; Described warning circuit comprises second resistance (R2), first loudspeaker (Y1) and first light emitting diode (LED1), the formation first connection in series-parallel branch road in parallel with first loudspeaker (Y1) after described second resistance (R2) is connected with 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 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. simple and easy anti-theft device for transformer according to claim 1, it is characterized in that: described mu balanced circuit also comprises second electric capacity (C2) and the 3rd electric capacity (C3), described second electric capacity (C2) end is connected with circuit between first triode (Q1) base stage and the 3rd resistance (R3), and its other end is connected with rechargeable battery (E) negative pole; Described the 3rd electric capacity (C3) end is connected with circuit between first triode (Q1) emitter and rechargeable battery (E) positive pole, and its other end is connected with rechargeable battery (E) negative pole.
3. simple and easy anti-theft device for transformer according to claim 1, it is characterized in that: described first triode (Q1) is the NPN triode.
4. simple and easy anti-theft device for transformer 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 with first triode (Q1) collector with the filtering circuit negative pole respectively.
5. simple and easy anti-theft device for transformer according to claim 4, it is characterized in that: described filtering circuit comprises first resistance (R1) and first electric capacity (C1), described first resistance (R1) end is connected with rectification unit (3) output terminal, its other end is connected with rechargeable battery (E) negative pole, described first electric capacity (C1) end is connected with circuit between rectification unit (3) output terminal and first resistance (R1), and its other end is connected with circuit between rectification unit (3) output terminal and first triode (Q1) collector.
6. simple and easy anti-theft device for transformer according to claim 4, it is characterized in that: described rectification unit (3) is bridge rectifier circuit.
7. according to any described simple and easy anti-theft device for transformer in the claim 1~6, it is characterized in that: be in series with fusible link (FU) on the described phase line input line (1).
CN2013102078059A 2013-05-30 2013-05-30 Simple anti-theft device of transformer CN103325194A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103745544A (en) * 2014-01-21 2014-04-23 广西柳州特变科技有限责任公司 Amorphous alloy variable pressure anti-theft system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006452A (en) * 1973-10-12 1977-02-01 Pierre Giacino Electrical alarm device for motorcycles
CN85205357U (en) * 1985-12-09 1987-07-08 廖德 Starting controller with trouble alarm
CN2160956Y (en) * 1993-08-09 1994-04-06 韩明祥 Line anti-theft alarm
CN201716802U (en) * 2010-05-28 2011-01-19 黄传易 Anti-theft alarm device for power line transformer
CN203250377U (en) * 2013-05-30 2013-10-23 成都荣耀科技有限公司 Compact antitheft apparatus for transformer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006452A (en) * 1973-10-12 1977-02-01 Pierre Giacino Electrical alarm device for motorcycles
CN85205357U (en) * 1985-12-09 1987-07-08 廖德 Starting controller with trouble alarm
CN2160956Y (en) * 1993-08-09 1994-04-06 韩明祥 Line anti-theft alarm
CN201716802U (en) * 2010-05-28 2011-01-19 黄传易 Anti-theft alarm device for power line transformer
CN203250377U (en) * 2013-05-30 2013-10-23 成都荣耀科技有限公司 Compact antitheft apparatus for transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103745544A (en) * 2014-01-21 2014-04-23 广西柳州特变科技有限责任公司 Amorphous alloy variable pressure anti-theft system

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Application publication date: 20130925