CN2651759Y - Protector of AC three-phase electric monitoring and power-driven apparatus - Google Patents
Protector of AC three-phase electric monitoring and power-driven apparatus Download PDFInfo
- Publication number
- CN2651759Y CN2651759Y CN 200320103771 CN200320103771U CN2651759Y CN 2651759 Y CN2651759 Y CN 2651759Y CN 200320103771 CN200320103771 CN 200320103771 CN 200320103771 U CN200320103771 U CN 200320103771U CN 2651759 Y CN2651759 Y CN 2651759Y
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- Prior art keywords
- circuit
- phase
- capacitor
- protector
- diode
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Abstract
The utility model relates to a protector of alternating current three-phase electric monitoring and electric equipment, which comprises a protector shell (1), a work indicating lamp (2), A, B, C phase indicating lamps (3), (4), (5), an A, B, C three-phase fuse holder (6), a wire connecting terminal (7) and a wire connection (8), wherein the inner part of the protector shell (1) is provided with a signal acquisition circuit (I), an observation circuit (II), a signal output apparatus (III), an alarm circuit (IV) and a power circuit (V), wherein the signal acquisition circuit is formed by adopting C B B to conduct decompression and photoelectric isolation circuit (TLP5) to input voltage. When the three-phase alternating current does not supply current normally, a photo triode in the TLP5 can not work normally to lead Q1 base electrode or Q2 base electrode or Q1 and Q2 to increase respective base electrode electric potential together to make Q J1 and Q J2 attract the alarm signal given by S1 and S2. The utility model has the advantages of reasonable structure, long service life, reliable operation and simple maintenance and repair.
Description
Technical field
The utility model relates to a kind of to adopting the protector of three-phase ac power supply consumer; especially the technical scheme that refers to its employing photoelectricity isolation CBB (nonpolarity high-voltage capacitance) control input voltage; power supply trouble to three-phase alternating voltage is monitored, is reported to the police, and the automatic monitoring and protecting device that consumer is protected.
Background technology
The current three-phase alternating current power utilization monitoring device of commonly using adopts interior Industrial Frequency Transformer to take a sample.Because Industrial Frequency Transformer below one watt exists processing technology to have relatively high expectations, cost height, and shortcoming such as fragile and serviceable life is short.Facts have proved that the long-term operational failure rate of this series products also fails to solve than problems such as height.Therefore, design reliable operation, long service life, cost is low, and it is the task of top priority that working service is repaired easy interchange three-phase electricity monitoring and protecting device.
Summary of the invention
The utility model is exactly to solve the problem that the described technology of background technology exists; purpose is to provide a kind of CBB of employing that input voltage is carried out step-down and photoelectric isolating circuit constitutes the technical scheme use of sample circuit in using electricity system; dependable performance; cheap, the monitoring of interchange three-phase electricity and the consumer protector of long service life.
To achieve these goals, the utility model is achieved through the following technical solutions:
A kind of interchange three-phase electricity monitoring and consumer protector; comprise protector housing (1), relay indicating light (2), A phase pilot lamp (3); B phase pilot lamp (4); C phase pilot lamp (5), A, B; C three-phase Insurance Block (6); connection terminal (7), wiring (8), wherein the formation of the circuit in the protector housing (1) is: signalization Acquisition Circuit (I); observation circuit (II); signal output apparatus (III), warning circuit (IV), feed circuit (V); wherein: the three-phase alternating current of protector has the circuit A of three cover same structures; B, C is corresponding with it, by nonpolarity high-voltage capacitance CBB
1, CBB
2, CBB
3With commutation diode D
1, D
2, capacitor C D
1, CD
2With commutation diode D
3, D
4, capacitor C D
3, CD
4, with commutation diode D
5, D
6, capacitor C D
5, CD
6, with current-limiting resistance R
1, R
2, R
3, R
4, R
5, R
6Connect, and with light emitting diode A
1, B
1, C
1Form filtering signal Acquisition Circuit (I); TLP5 constitutes observation circuit (II) by photoelectricity coupling chip; By resistance R
7, R
8, R
9, capacitor C
6, C
7, C
8With diode D
9, D
10, D
11, D
12, D
13, D
14The gate circuit of forming, resistance R
10Connect to form signal output apparatus (III); By triode Q
1Collector and capacitor C
1, diode D
7, relay QJ
1Be connected Q
2Collector and capacitor C
4, diode D
8, relay QJ
2Be connected and form S
1, S
2Warning circuit (IV); By resistance R
11, power supply chip U
1, capacitor C D
7, C
5Connect to form feed circuit (V).
Owing to adopted technique scheme, the utlity model has following advantage and effect:
1, (or three tunnel～220VAC) electric power system phase shortages or outage the time can be reported to the police QJ to the utility model as three-phase alternating current～380VAC
1, QJ
2The control auxiliary reclay cuts off the power devices power supply, the protection consumer.
2, the utility model can be computing machine the switching value alerting signal is provided in computer-controlled using electricity system.
3, circuit structure of the present utility model is formed simply, reliable operation, and volume is little, and the life-span is long, and cost is low, and working service is repaired simple and easy.
Description of drawings
Fig. 1 is the utility model structure collectivity synoptic diagram
Fig. 2 is the utility model housing interior circuit board scheme of installation
Fig. 3 is the utility model circuit block diagram
Fig. 4 is each circuit circuit diagram of the utility model
Among the figure: 1-protector housing, 11-fixed orifice, 2-relay indicating light; 3-A phase pilot lamp, 4-B phase pilot lamp, 5-C phase pilot lamp; 6-A, B, C three-phase Insurance Block; the 7-connection terminal, 8-wiring, I-signal acquisition circuit; the II-observation circuit; the III-signal output apparatus, IV-warning circuit, V-feed circuit
Embodiment
By Fig. 1, Fig. 2, Fig. 3; Fig. 4 illustrates, and a kind of interchange three-phase electricity monitoring and consumer protector comprise protector housing 1; relay indicating light 2, A phase pilot lamp 3, B phase pilot lamp 4; C phase pilot lamp 5, A, B; C three-phase Insurance Block 6; connection terminal 7, wiring 8, wherein the circuit formation in the protector housing 1 is: signalization Acquisition Circuit I; observation circuit II; signal output apparatus III, warning circuit IV, feed circuit V; wherein: the three-phase alternating current of protector has the circuit A of three cover same structures; B, C is corresponding with it, by nonpolarity high-voltage capacitance CBB
1, CBB
2, CBB
3With commutation diode D
1, D
2, capacitor C D
1, CD
2With commutation diode D
3, D
4, capacitor C D
3, CD
4, with commutation diode D
5, D
6, capacitor C D
5, CD
6, with current-limiting resistance R
1, R
2, R
3, R
4, R
5, R
6Connect, and with light emitting diode A
1, B
1, C
1Form filtering signal Acquisition Circuit I; TLP5 constitutes observation circuit II by photoelectricity coupling chip; By resistance R
7, R
8, R
9, capacitor C
6, C
7, C
8With diode D
9, D
10, D
11, D
12, D
13, D
14The gate circuit of forming, resistance R
10Connect to form signal output apparatus III; By triode Q
1Collector and capacitor C
1, diode D
7, relay QJ
1Be connected Q
2Collector and capacitor C
4, diode D
8, relay QJ
2Be connected and form S
1, S
2Warning circuit IV; By resistance R
11, power supply chip U
1, capacitor C D
7, C
5Connect to form feed circuit V.
By figure also as can be known, by CBB
1, CBB
2, CBB
3To A, B, the step-down of C three-phase alternating current sampled voltage.Luminous after the photodiode among the photoelectricity coupling chip TLP5 is received signal voltage, the conducting under the driving of light of phototriode wherein, the D of its output terminal
9, D
10, D
11, D
12, D
13, D
14Become electronegative potential, at this moment Q
1And Q
2Base potential become electronegative potential by height, Q
1And Q
2Do not work.Therefore, QJ
1With QJ
2Do not work S
1And S
2No signal output shows that circuit supply is normal.Work as A, B has an outage mutually in the C three-phase alternating current, and the phototriode during phase shortage among the TLP5 can not be worked, therefore by R
7The noble potential that provides makes D
9And D
12The Sheffer stroke gate work of forming, D
9Conducting, D
12End Q
1Base voltage is upgraded to noble potential QJ
1Adhesive, S
1Closure provides caution signal.
Work as A, B, when C three-phase alternating current three-phase cuts off the power supply simultaneously, R
10The noble potential that provides makes Q
2Base potential rising Q
2Work, QJ
2Adhesive, S
2Closure provides caution signal.
Work as A, B, the C three-phase alternating current is powered just often, and the output terminal of three groups of phototriodes of TLP5 is electronegative potential, Q
1, Q
2Base stage be electronegative potential, and do not work, so QJ
1And QJ
2Also not adhesive, S
1, S
2No signal output.
Relay indicating light 2 is a green indicating lamp, and the feed circuit V of the bright expression machine of lamp is working properly.
A, B, C phase pilot lamp 3,4,5 is a red led, the bright expression of lamp is working properly.Three-phase alternating current lacks its corresponding red light of a certain phase time and extinguishes.
Claims (1)
1; a kind of interchange three-phase electricity monitoring and consumer protector; comprise protector housing (1), relay indicating light (2), A phase pilot lamp (3); B phase pilot lamp (4); C phase pilot lamp (5), A, B; C three-phase Insurance Block (6); connection terminal (7), wiring (8), wherein the formation of the circuit in the protector housing (1) is: signalization Acquisition Circuit (I); observation circuit (II); signal output apparatus (III), warning circuit (IV), feed circuit (V); it is characterized in that: the three-phase alternating current of protector has the circuit A of three cover same structures; B, C is corresponding with it, by nonpolarity high-voltage capacitance CBB
1, CBB
2, CBB
3With commutation diode D
1, D
2, capacitor C D
1, CD
2With commutation diode D
3, D
4, capacitor C D
3, CD
4, with commutation diode D
5, D
6, capacitor C D
5, CD
6, with current-limiting resistance R
1, R
2, R
3, R
4, R
5, R
6Connect, and with light emitting diode A
1, B
1, C
1Form filtering signal Acquisition Circuit (I); TLP5 constitutes observation circuit (II) by photoelectricity coupling chip; By resistance R
7, R
8, R
9, capacitor C
6, C
7, C
8With diode D
9, D
10, D
11, D
12, D
13, D
14The gate circuit of forming, resistance R
10Connect to form signal output apparatus (III); By triode Q
1Collector and capacitor C
1, diode D
7, relay QJ
1Be connected Q
2Collector and capacitor C
4, diode D
8, relay QJ
2Be connected and form S
1, S
2Warning circuit (IV); By resistance R
11, power supply chip U
1, capacitor C D
7, C
5Connect to form feed circuit (V).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320103771 CN2651759Y (en) | 2003-11-06 | 2003-11-06 | Protector of AC three-phase electric monitoring and power-driven apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320103771 CN2651759Y (en) | 2003-11-06 | 2003-11-06 | Protector of AC three-phase electric monitoring and power-driven apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2651759Y true CN2651759Y (en) | 2004-10-27 |
Family
ID=34340650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320103771 Expired - Fee Related CN2651759Y (en) | 2003-11-06 | 2003-11-06 | Protector of AC three-phase electric monitoring and power-driven apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2651759Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323512A (en) * | 2011-06-23 | 2012-01-18 | 福建省电力有限公司福州电业局 | Online low-voltage power-off warning device and low-voltage distribution room comprehensive monitor |
| CN103675484A (en) * | 2012-09-26 | 2014-03-26 | 成伟 | Three-phase commercial power monitoring device of communication base station |
| CN103852684A (en) * | 2014-03-24 | 2014-06-11 | 卫斌鹏 | Automatic alarm device for power failure, default phase and ground connection of 10kV high-voltage cabinet |
| CN103913626A (en) * | 2013-01-04 | 2014-07-09 | 中兴通讯股份有限公司 | Alternating current power down alarm circuit capable of avoiding direct current input false alarm |
| CN108196216A (en) * | 2016-11-20 | 2018-06-22 | 国网江西省电力公司赣东北供电分公司 | A kind of electric energy meter verifies three-phase voltage attachment device |
-
2003
- 2003-11-06 CN CN 200320103771 patent/CN2651759Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323512A (en) * | 2011-06-23 | 2012-01-18 | 福建省电力有限公司福州电业局 | Online low-voltage power-off warning device and low-voltage distribution room comprehensive monitor |
| CN103675484A (en) * | 2012-09-26 | 2014-03-26 | 成伟 | Three-phase commercial power monitoring device of communication base station |
| CN103913626A (en) * | 2013-01-04 | 2014-07-09 | 中兴通讯股份有限公司 | Alternating current power down alarm circuit capable of avoiding direct current input false alarm |
| CN103913626B (en) * | 2013-01-04 | 2017-10-17 | 中兴通讯股份有限公司 | A kind of AC dump warning circuit for preventing direct current input from alerting by mistake |
| CN103852684A (en) * | 2014-03-24 | 2014-06-11 | 卫斌鹏 | Automatic alarm device for power failure, default phase and ground connection of 10kV high-voltage cabinet |
| CN103852684B (en) * | 2014-03-24 | 2017-01-25 | 国网山东省电力公司蒙阴县供电公司 | Automatic alarm device for power failure, default phase and ground connection of 10kV high-voltage cabinet |
| CN108196216A (en) * | 2016-11-20 | 2018-06-22 | 国网江西省电力公司赣东北供电分公司 | A kind of electric energy meter verifies three-phase voltage attachment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |