CN206976824U - A kind of switch cubicle electric arc on-line measuring device - Google Patents
A kind of switch cubicle electric arc on-line measuring device Download PDFInfo
- Publication number
- CN206976824U CN206976824U CN201720501908.XU CN201720501908U CN206976824U CN 206976824 U CN206976824 U CN 206976824U CN 201720501908 U CN201720501908 U CN 201720501908U CN 206976824 U CN206976824 U CN 206976824U
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- switch cubicle
- relay
- electric arc
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- kng
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Abstract
The utility model discloses a kind of switch cubicle electric arc on-line measuring device,Including test device body and switch cubicle,The test device body is arranged on the inside of switch cubicle,And one end of test device body is provided with into electric port,It is described enter electric port thang-kng electricity ring is connected with by fuse,The centre of the thang-kng electricity ring is provided with photo-detector,And thang-kng electricity ring is connected with relay,The relay is by protecting electric wire to be connected with conductive earth polar,And relay is connected with current transformer by isolating transformer,The current transformer is connected with current output terminal mouth by fuse,PLC and loudspeaker are provided with the outer surface of the switch cubicle,And it is provided with alarm lamp on the side surface of switch cubicle,The PLC controls photo-detector by telecommunication,Relay,Current transformer,Loudspeaker and alarm lamp,Photo-detector summation current transformer can not only be passed through,To detect electric arc,And also there is relay and fuse,Being capable of protection switch cabinet.
Description
Technical field
Switch cubicle technical field is the utility model is related to, specially a kind of switch cubicle electric arc on-line measuring device.
Background technology
Switch cubicle is a kind of electrical equipment, and switch cubicle outside line is introduced into master switch in cabinet, is switched subsequently into sub-control, respectively
Branch is needed to set by it；Such as instrument, automatic control, motor magnetic switch, various A.C. contactors etc., some also set hyperbaric chamber with
Low-pressure chamber switch cubicle, provided with high voltage bus, such as power plant, some is additionally provided with to protect the low-frequency load reduction of capital equipment；Switch cubicle
Main function be to be generated electricity in power system, transmitted electricity, during the conversion of distribution and electric energy, carry out folding, control and guarantor
Protect electrical equipment；Part in switch cubicle mainly has breaker, disconnecting switch, on-load switch, operating mechanism, transformer and each
The compositions such as kind protection device.The sorting technique of switch cubicle is a lot, and such as can be divided into withdraw-type by breaker mounting means switchs
Cabinet and fixed switching cabinet；Or the difference according to cabinet body structure, open type switch cubicle, metal closed switch cabinet and gold can be divided into
Category closing armoured switch cabinet.
With the development of science and technology, also it is evolving in terms of switch cubicle, constantly progress, wherein switch cubicle electric arc detecting device
Also in widely using, but switch cubicle electric arc detecting device currently on the market still has detection inaccuracy, and lacks
Safety measure and alarm measure, and inconvenient people are used.
Utility model content
In order to overcome the shortcomings of prior art, the utility model provides a kind of switch cubicle electric arc on-line measuring device,
Detection electric arc can be carried out by photo-detector summation current transformer, so as to improve the degree of accuracy of detection, and with conduction
Earth polar and alarm lamp, it can play a part of protecting and alarm, also with PLC, be convenient for people to be used.
Technical scheme is used by the utility model solves its technical problem：A kind of switch cubicle electric arc on-line checking dress
Put, including test device body and switch cubicle, the test device body are arranged on the inside of switch cubicle, and one end of test device body
Be provided with into electric port, it is described enter electric port thang-kng electricity ring is connected with by fuse, the centre of the thang-kng electricity ring is provided with
Photo-detector, and thang-kng electricity ring is connected with relay, the relay is by protecting electric wire to be connected with conductive earth polar, and relay
Current transformer is connected with by isolating transformer, the current transformer is connected with current output terminal mouth by fuse, described to open
Close and be provided with PLC and loudspeaker on the outer surface of cabinet, and alarm lamp is provided with the side surface of switch cubicle, the PLC
Controller controls photo-detector, relay, current transformer, loudspeaker and alarm lamp by telecommunication.
As a kind of preferable technical scheme of the utility model, the fuse and the quantity for entering electric port are two.
As a kind of preferable technical scheme of the utility model, the conductive earth polar is made of graphite rod.
As a kind of preferable technical scheme of the utility model, the alarm lamp and test device body are in a welding manner
It is connected.
As a kind of preferable technical scheme of the utility model, the thang-kng electricity ring is shaped as annulus, and using sub- gram
Power plate is made.
Compared with prior art, the beneficial effects of the utility model are：The switch cubicle electric arc on-line measuring device, using light
Two kinds of detection modes of detector summation current transformer, carry out detection electric arc, so as to improve the degree of accuracy of detection, and have and lead
Electric earth polar and fuse, overcurrent can be transported on ground, and then played a very good protection, and also there is alarm
Lamp and loudspeaker, alarm can be played a part of, to prompt user in time, so as to avoid bigger loss, but also had
Isolating transformer, the switch cubicle can be protected, also with PLC, be convenient for people to be used, but also have
Thang-kng electricity ring, photo-detector can be protected when photo-detector is detected, to avoid photo-detector by electric arc
Injury.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model control structure schematic diagram.
In figure：1- test device bodies；2- switch cubicles；3- enters electric port；4- fuses；5- thang-kng electricity rings；6- photo-detectors；
7- relays；8- protects electric wire；9- conductions earth polar；10- isolating transformers；11- current transformers；12- fuses；13- goes out electricity
Port；14-PLC controllers；15- loudspeakers；16- alarm lamps.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment：
As depicted in figs. 1 and 2, the utility model provides a kind of switch cubicle electric arc on-line measuring device, including detection dress
Put body 1 and switch cubicle 2, the test device body 1 is arranged on the inside of switch cubicle 2, and one end of test device body 1 be provided with into
Electric port 3, it is described enter electric port 3 thang-kng electricity ring 5 is connected with by fuse 4, protection can be played a part of to the switch cubicle,
The centre of the thang-kng electricity ring 5 is provided with photo-detector 6, and for detecting electric arc, and thang-kng electricity ring 5 is connected with relay 7, described
Relay 7 it is split can to reduce electric arc by the electrical energy transportation of electric arc to ground by protecting electric wire 8 to be connected with conductive earth polar 9
The damage of cabinet is closed, and relay 7 is connected with current transformer 11 by isolating transformer 10；
The current transformer 11 is connected with current output terminal mouth 13 by fuse 12, for detecting electric arc, the switch cubicle 2
Outer surface on be provided with PLC 14 and loudspeaker 15, be convenient for people to be operated, and set on the side surface of switch cubicle 2
Be equipped with alarm lamp 16, can play a part of alarm, the PLC 14 by telecommunication control photo-detector 6, relay 7,
Current transformer 11, loudspeaker 15 and alarm lamp 16.
Preferably, the fuse 4 and to enter the quantity of electric port 3 be two；The conductive earth polar 9 uses graphite rod
It is made, there is good electric conductivity；The alarm lamp 16 is to be connected in a welding manner with test device body 1；The thang-kng electricity
Ring 5 is shaped as annulus, and is made of acrylic board.
It is of the present utility model to be mainly characterized by, the switch cubicle electric arc on-line measuring device, using photo-detector and electric current
Two kinds of detection modes of transformer, carry out detection electric arc, so as to improve the degree of accuracy of detection, and pass through conductive earth polar and fusing
Device, overcurrent can be transported on ground, and then played a very good protection, and also by alarm lamp and loudspeaker,
Alarm can be played a part of, to prompt user in time.
PLC used in the utility model uses Siemens S7-300 series of PLC controllers, and S7-300 PLC
Using modular construction, possess at a high speed（0.6~0.1 μ s）Ordering calculation speed；Relatively efficiently realized with floating point arithmetic
Increasingly complex arithmetical operation；And convenient man-machine interface service is had been integrated with S7-300 operating systems, human-computer dialogue
Programming requirement greatly reduce.
The photo-detector described in the utility model used uses XR-100CR photo-detectors, energy range：1keV is extremely
40keV；Detector size：25mm2；Energy resolution：Half-peak breadth 145eV-230eV is corresponded to during 5.9Kev；Background count：<3*
10-3/s,2keV-150keV；Gain stability：<100ppm/oC；Preamplifier sensitivity：1mV/keV；Data transfer：
Support USB and serial ports；Count rate performance：Maximum count rate is no less than per second 200,000.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (5)
- A kind of 1. switch cubicle electric arc on-line measuring device, it is characterised in that：Including test device body（1）And switch cubicle（2）, it is described Test device body（1）It is arranged on switch cubicle（2）Inside, and test device body（1）One end be provided with into electric port（3）, institute State into electric port（3）Pass through fuse（4）It is connected with thang-kng electricity ring（5）, the thang-kng electricity ring（5）Centre be provided with optical detection Device（6）, and thang-kng electricity ring（5）It is connected with relay（7）, the relay（7）By protecting electric wire（8）It is connected with conductive earth polar （9）, and relay（7）Pass through isolating transformer（10）It is connected with current transformer（11）, the current transformer（11）Pass through Fuse（12）It is connected with current output terminal mouth（13）, the switch cubicle（2）Outer surface on be provided with PLC（14）With amplify Device（15）, and switch cubicle（2）Side surface on be provided with alarm lamp（16）, the PLC（14）Light is controlled by telecommunication Detector（6）, relay（7）, current transformer（11）, loudspeaker（15）And alarm lamp（16）.
- A kind of 2. switch cubicle electric arc on-line measuring device according to claim 1, it is characterised in that：The fuse（4） With enter electric port（3）Quantity be two.
- A kind of 3. switch cubicle electric arc on-line measuring device according to claim 1, it is characterised in that：The conductive earth polar （9）It is made of graphite rod.
- A kind of 4. switch cubicle electric arc on-line measuring device according to claim 1, it is characterised in that：The alarm lamp（16） With test device body（1）It is connected in a welding manner.
- A kind of 5. switch cubicle electric arc on-line measuring device according to claim 1, it is characterised in that：The thang-kng electricity ring （5）Be shaped as annulus, and be made of acrylic board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501908.XU CN206976824U (en) | 2017-05-08 | 2017-05-08 | A kind of switch cubicle electric arc on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501908.XU CN206976824U (en) | 2017-05-08 | 2017-05-08 | A kind of switch cubicle electric arc on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206976824U true CN206976824U (en) | 2018-02-06 |
Family
ID=61413016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720501908.XU Expired - Fee Related CN206976824U (en) | 2017-05-08 | 2017-05-08 | A kind of switch cubicle electric arc on-line measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206976824U (en) |
-
2017
- 2017-05-08 CN CN201720501908.XU patent/CN206976824U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20180508 |