CN105186694A - Commercial power switching control apparatus - Google Patents
Commercial power switching control apparatus Download PDFInfo
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- CN105186694A CN105186694A CN201510649584.XA CN201510649584A CN105186694A CN 105186694 A CN105186694 A CN 105186694A CN 201510649584 A CN201510649584 A CN 201510649584A CN 105186694 A CN105186694 A CN 105186694A
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Abstract
Provided is a commercial power switching control apparatus which comprises a housing and a transmission cable and which comprises a display instrument, a phase sequence detection circuit, an insulation monitoring device, an electric leakage protection device, and a surge inhibition device which are connected with the transmission cable. The phase sequence detection circuit, the electric leakage protection device, the insulation monitoring device, and the surge inhibition device are successively connected with the transmission cable from the input end to the output end of the commercial power switching control apparatus. The display instrument is connected with the transmission cable through the electric leakage protection device. The commercial power switching control apparatus has advantages of high integration degree, low cost, reliable performance, and good convenience and safety, and may rapidly and reliably achieve commercial power switching and supply.
Description
Technical field
The present invention relates to a kind of electrical power monitoring device, particularly relate to a kind of mains supply monitoring device.
Background technology
Current, special purpose vehicle is day by day towards integrated, intelligent, highly reliable, fast reserve, actual combatization future development, and power consumption equipment increases, and power consumption increases, and often needs external civil power to meet platform electricity consumption.
External civil power was directly transferred often through commercial power adapter cable in the past, consider that city's electrical quantity in different place is not identical yet, in order to ensure Electrical Safety, usually universal instrument, phase-sequence meter is used to confirm line voltage, frequency and phase sequence before switching, time is long, fail safe is low, have impact on the fast reserve of special purpose vehicle.
Often utilize the voltmeter on platform, frequency meter etc. to monitor commercial power condition in use procedure after commercial power adapter, occupy more installing space, have impact on the integrated, miniaturized of special purpose vehicle equipment.
Equipment during in order to ensure electricity consumption and personal security, special purpose vehicle possesses insulation monitoring lamp usually, and this repeater lamp and above-mentioned instrument separate two places usually, are unfavorable for the monitoring in use procedure, and then affect the safety of power consumption equipment and personnel.
In addition, special purpose vehicle lacked protection for the surge caused due to reasons such as thunderbolts during commercial power adapter in the past, and now owing to focusing on actual combatization, environment for use is complicated, once there is the situations such as thunderbolt, produce high voltage in utility grid, irremediable loss can be caused to equipment.
Summary of the invention
The object of this invention is to provide a kind of commercial power adapter control device, solving can not effective monitoring to interim mains supply physical parameter, makes to utilize in process to the technical problem that vehicle fast reserve, integrated, miniaturized and personal safety are had a strong impact on.
Commercial power adapter control device of the present invention, comprises housing and transmission cable, comprises the Displaying Meter, circuit of testing the phase sequence, insulation monitor, earth leakage protective device and the surge suppressing device that are connected with transmission cable, wherein:
Displaying Meter, for monitoring real-time voltage and the frequency of the civil power of input;
Circuit of testing the phase sequence, for the power supply phase sequence of Real-Time Monitoring civil power, produces triggering signal according to phase sequence change;
Insulation monitor, for each phase power supply of Real-Time Monitoring to the insulation property of device case, changes according to insulation property and produces corresponding triggering signal;
Earth leakage protective device, for passing through zero-sequence current detected rule real-time judge leakage current, leakage current reaches threshold value action constantly, disconnects mains supply;
Surge suppressing device, for Real-Time Monitoring abnormal pressure, provides ground connection dividing potential drop, the shunt circuit of major loop in real time;
By the input termination of this device to output direction, termination, circuit of testing the phase sequence, earth leakage protective device, insulation monitor and surge suppressing device are linked in sequence transmission cable, and Displaying Meter connects transmission cable by earth leakage protective device.
Described Displaying Meter comprises A.C. voltmeter PV in parallel and frequency meter PHz.
Described circuit of testing the phase sequence comprises phase sequence relay..
Described insulation monitor large resistance neon lamp H1, neon lamp H2, neon lamp H3, its each phase line in connection mains circuit, one end of neon lamp, the other end is all connected with device case.
Described earth leakage protective device comprises residual current circuit breaker.
Described surge suppressing device is connected in parallel on major loop wire L1, wire L2, wire L3.
Commercial power adapter control device of the present invention by Displaying Meter, Phase sequence detection, insulation monitoring, leakage protection and Surge suppression five part form.The present invention has that integrated level is high, with low cost, dependable performance, the advantage such as convenient and safe, can fast, reliable, application solutions commercial power adapter and power supply.Displaying Meter comprises voltmeter, frequency meter for showing line voltage, frequency in real time; Circuit of testing the phase sequence detects mains-supplied phase sequence, ensures phase sequence and requires that equipment runs well; Insulation monitoring circuit monitors each relative shell insulation situation of civil power by insulation monitoring lamp, ensures power consumption equipment and personal security; Leakage protection circuit adopts residual current circuit breaker; generation electric leakage ensures mains circuit once can supply by fast shut-off civil power; ensure power consumption equipment and personal security; surge restraint circuit is used for preventing from, when mains circuit is owing to can obtain timely and effective suppression when a variety of causes produces high voltage surge, ensureing equipment Electrical Safety.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of commercial power adapter control device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Figure 1, the present embodiment comprises the transmission cable of one section of coupling three-phase five-wire mode mains supply in housing, each root wire in transmission cable, one end of the same side arranges input termination, the other end of the same side arranges and exports termination, and the wire in transmission cable is connected respectively L1, L2, L3, N, PE line sequence in mains supply (power frequency).
The present embodiment comprises the Displaying Meter 01, circuit of testing the phase sequence 02, insulation monitor 03, earth leakage protective device 04 and the surge suppressing device 05 that are connected with transmission cable, wherein:
Displaying Meter 01, for monitoring real-time voltage and the frequency of the civil power of input;
Circuit of testing the phase sequence 02, for the power supply phase sequence of Real-Time Monitoring civil power, produces triggering signal according to phase sequence change;
Insulation monitor 03, for each phase power supply of Real-Time Monitoring to the insulation property of device case, changes according to insulation property and produces corresponding triggering signal;
Earth leakage protective device 04, for passing through zero-sequence current detected rule real-time judge leakage current, leakage current reaches threshold value action constantly, disconnects mains supply;
Surge suppressing device 05, for Real-Time Monitoring abnormal pressure, provides the dividing potential drop of major loop, shunt circuit in real time;
By the input termination of this device to output direction, termination, circuit of testing the phase sequence 02, earth leakage protective device 04, insulation monitor 03 and surge suppressing device 05 are linked in sequence transmission cable, and Displaying Meter 01 connects transmission cable by earth leakage protective device 04.
The present embodiment has taken into full account requirements during commercial power adapter, achieve the fast detecting of the city's electrical quantity before switching, parameter real time monitoring during power supply, Surge suppression, Electrical Safety, circuit is simple, with low cost, be the effective tool of special purpose vehicle commercial power adapter, there is quick, reliable, safety, easily feature.
On above circuit structure basis, Displaying Meter 01 comprises A.C. voltmeter PV in parallel and frequency meter PHz; The city's electrical quantity real time monitoring after the city's electrical quantity fast detecting before commercial power adapter and switching can be realized.
Circuit of testing the phase sequence 02 comprises phase sequence relay, and this relay test mains-supplied phase sequence, when phase sequence is correct, it carries yellow LED lamp and lights, otherwise can not light.
Insulation monitor 03 large resistance neon lamp H1, neon lamp H2, neon lamp H3, its each phase line in connection mains circuit, one end of neon lamp, the other end is all connected with device case, after mains-supplied, when each relative shell insulation is normal, each insulation monitoring lamp is lighted and brightness is consistent, when certain phase occur single-phase take shell time, corresponding insulation monitoring lamp goes out and other two insulation monitoring lamp brightness increase thus realize reporting to the police.
Earth leakage protective device 04 comprises residual current circuit breaker; adopt zero-sequence current Cleaning Principle; when there is not electric leakage; triple line electric current and N line current vector are zero, once leak electricity, triple line electric current and N line current vector non-vanishing; residual current will produce magnetic force adhesive armature by a coil; if when residual current and leakage current exceed set point, armature adhesive puts in place, and circuit breaker disconnects thus realizes the safe power supply of mains circuit.
Surge suppressing device 05 is connected in parallel on major loop wire L1, wire L2, wire L3, when line voltage is normal, this inhibitor is failure to actuate, when mains circuit exceeds inhibitor setting threshold due to reason generation abnormal pressures such as thunderbolts, its internal components punctures fast, major loop and device case disconnect so that with the earth conducting, suppress rear end power consumption equipment to import high pressure, ensure power consumption equipment and personal security.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (6)
1. commercial power adapter control device; comprise housing and transmission cable; it is characterized in that: comprise the Displaying Meter (01), circuit of testing the phase sequence (02), insulation monitor (03), earth leakage protective device (04) and the surge suppressing device (05) that are connected with transmission cable, wherein:
Displaying Meter (01), for monitoring real-time voltage and the frequency of the civil power of input;
Circuit of testing the phase sequence (02), for the power supply phase sequence of Real-Time Monitoring civil power, produces triggering signal according to phase sequence change;
Insulation monitor (03), for each phase power supply of Real-Time Monitoring to the insulation property of device case, changes according to insulation property and produces corresponding triggering signal;
Earth leakage protective device (04), for passing through zero-sequence current detected rule real-time judge leakage current, leakage current reaches threshold value action constantly, disconnects mains supply;
Surge suppressing device (05), for Real-Time Monitoring abnormal pressure, provides ground connection dividing potential drop, the shunt circuit of major loop in real time;
By this device input termination to output direction, termination; circuit of testing the phase sequence (02), earth leakage protective device (04); insulation monitor (03) and surge suppressing device (05) are linked in sequence transmission cable, and Displaying Meter (01) connects transmission cable by earth leakage protective device (04).
2. commercial power adapter control device as claimed in claim 1, is characterized in that: described Displaying Meter (01) comprises A.C. voltmeter PV in parallel and frequency meter PHz.
3. commercial power adapter control device as claimed in claim 2, is characterized in that: described circuit of testing the phase sequence (02) comprises phase sequence relay..
4. commercial power adapter control device as claimed in claim 3, is characterized in that: described insulation monitor (03) large resistance neon lamp H1, neon lamp H2, neon lamp H3, its each phase line in connection mains circuit, one end of neon lamp, the other end is all connected with device case.
5. commercial power adapter control device as claimed in claim 4, is characterized in that: described earth leakage protective device (04) comprises residual current circuit breaker.
6. commercial power adapter control device as claimed in claim 5, is characterized in that: described surge suppressing device (05) is connected in parallel on major loop wire L1, wire L2, wire L3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649584.XA CN105186694A (en) | 2015-10-09 | 2015-10-09 | Commercial power switching control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649584.XA CN105186694A (en) | 2015-10-09 | 2015-10-09 | Commercial power switching control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105186694A true CN105186694A (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510649584.XA Pending CN105186694A (en) | 2015-10-09 | 2015-10-09 | Commercial power switching control apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532920A (en) * | 2016-12-23 | 2017-03-22 | 重庆克劳斯特种装备有限公司 | Nuclear magnetic device power supply circuit and nuclear magnetic resonance car |
| CN113675818A (en) * | 2021-08-18 | 2021-11-19 | 龙跃潮 | System for be used for low pressure IT power supply system leakage protection |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800870A (en) * | 2006-01-10 | 2006-07-12 | 刘锦泰 | Single-phase plug type power supply detector |
| CN201788236U (en) * | 2010-08-18 | 2011-04-06 | 青岛港（集团）有限公司 | Special detection device of sliding contact power supply dolly |
| EP2597749A1 (en) * | 2010-07-23 | 2013-05-29 | Sony Corporation | Control device and control method, power generation device and power generation method, power storage device and power storage method, and power control system |
-
2015
- 2015-10-09 CN CN201510649584.XA patent/CN105186694A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800870A (en) * | 2006-01-10 | 2006-07-12 | 刘锦泰 | Single-phase plug type power supply detector |
| EP2597749A1 (en) * | 2010-07-23 | 2013-05-29 | Sony Corporation | Control device and control method, power generation device and power generation method, power storage device and power storage method, and power control system |
| CN201788236U (en) * | 2010-08-18 | 2011-04-06 | 青岛港（集团）有限公司 | Special detection device of sliding contact power supply dolly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532920A (en) * | 2016-12-23 | 2017-03-22 | 重庆克劳斯特种装备有限公司 | Nuclear magnetic device power supply circuit and nuclear magnetic resonance car |
| CN106532920B (en) * | 2016-12-23 | 2023-09-01 | 重庆克劳斯特种装备有限公司 | Nuclear magnetic equipment power supply circuit and nuclear magnetic resonance vehicle |
| CN113675818A (en) * | 2021-08-18 | 2021-11-19 | 龙跃潮 | System for be used for low pressure IT power supply system leakage protection |
| CN113675818B (en) * | 2021-08-18 | 2023-12-29 | 湖南亲和市电科技有限公司 | System for leakage protection of low-voltage IT power supply system |
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Application publication date: 20151223 |