CN104702915A - Intermediate switchgear cabinet handcart contact travel video verification auxiliary device - Google Patents
Intermediate switchgear cabinet handcart contact travel video verification auxiliary device Download PDFInfo
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- CN104702915A CN104702915A CN201510043668.9A CN201510043668A CN104702915A CN 104702915 A CN104702915 A CN 104702915A CN 201510043668 A CN201510043668 A CN 201510043668A CN 104702915 A CN104702915 A CN 104702915A
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Abstract
Disclosed is an intermediate switchgear cabinet handcart contact travel video verification auxiliary device. The intermediate switchgear cabinet handcart contact travel video verification auxiliary device mainly comprises a battery power module which supplies power for the intermediate switchgear cabinet handcart contact travel video verification auxiliary device, micro cameras, a picture divider, a liquid crystal display screen and a picture display control module, wherein the picture divider is connected with the micro cameras through connection contact heads, video signals are input to the picture divider through the micro cameras, the picture display control module achieves the purpose of performing regulation control on picture display modes of the liquid crystal display screen connected with the picture display control module through a press key control mode and a remote control mode, and can output different channel pictures in a replaceable mode, the picture divider is provided with three phases of handcart drive or switching contact heads, each two micro cameras are connected with the upper portion and the lower portion of each contact head, six paths of camera video signals are simultaneously input into the picture divider, each micro camera is equipped with a wiring backboard and an installing support, a wiring terminal connected with one end of a video connecting line is installed on each wiring backboard, and monitor images are transmitted to a control device through a video output line.
Description
Technical field
What the present invention relates to is a kind of mid-set switch cubicle handcart contacting travel video verification servicing unit, belongs to power equipment Work tool field.
Background technology
Along with the high speed development of electrical network, electric power system relates to a large amount of newly-built electric substations or electric substation's reconstruction and extension project, after the newly-built and reconstruction and extension project of electric substation increases 10kV/20kV intermediate switchgear cabinet newly, in order to ensure switch cubicle put into operation after normal, safe operation, before switch cubicle formally puts into operation, omnibearing detailed examination must be carried out to the property indices of switch cubicle.And be one of them very important project for the examination of mid-set switch cubicle handcart contacting travel.Because the contacting travel of the dynamic and static contact of switching on/off handcart must reach design attitude, contact length standard, make switching on/off handcart moving contact and fixed contact completely, reliable contacts.If dynamic and static contact is unreliable, contact resistance between dynamic and static contact increases, by causing the abnormal heating of dynamic and static contact during big current in switching on/off handcart running, if heating seriously may cause switch cubicle to burn, cause device damage accident, and affect power supply reliability.
And the current many working experiences by power transformation operation maintenance personnel of mid-set switch cubicle handcart contacting travel checking judge, whether for switching on/off handcart contacting travel normal check and acceptance result neither one science, reliably basis for estimation, wheelbarrow switch operational reliability cannot ensure.Therefore, the method and apparatus developing a kind of handcart contacting travel checking validity, reliability when can improve that intermediate switchgear cabinet is newly-built to be checked and accepted, for improving fail safe that converting equipment runs, stability, ensures that the reliability of power supply is very important.
Summary of the invention
The object of the invention is to the deficiency overcoming above-mentioned existence, and provide that a kind of structure is simple, easy to operate, the mid-set switch cubicle handcart contacting travel video verification servicing unit of highly versatile.
The present invention is achieved by the following technical solution: a kind of mid-set switch cubicle handcart contacting travel video verification servicing unit, it mainly comprises: one provides the battery supply module of power supply, minisize pick-up head, image splitter for device, LCDs, picture display control module; Described image splitter is connected in minisize pick-up head by connecting contact, and by described minisize pick-up head incoming video signal; And carry out picture display by image splitter by the same LCDs be connected;
Described picture display control module realizes carrying out regulable control to the picture display mode of the LCDs be connected by button and remote control two kinds of control modes, and the passage picture that replaceable input is different.
The present invention is preferably: described image splitter is driven or Switch Three-Phase contact with handcart, and each contact is connected with two minisize pick-up heads up and down, has six road camera video signals and accesses simultaneously;
Described minisize pick-up head is equipped with wiring backplane and mounting bracket, wherein wiring backplane is provided with the binding post be connected with one end of video connecting line, will monitor image transmission on control device by video output cable.
The present invention is preferably: described mounting bracket is Z-shaped, and three-phase contact is aimed in one end of minisize pick-up head, and other end single-coated foam is fixed on switch cart moving contact arm; Described minisize pick-up head is selected as DH-205 type 700 line high definition line minisize pick-up head, and described image splitter is YG600 type 6 image splitter.
The present invention is further preferably: described battery supply module adopts built-in lead acid accumulator, and this lead acid accumulator is directly connected in LCDs and image splitter respectively by mains switch, is connected to camera by switching regulator IC;
Described control button is set directly on the panel of device, the switching of picture display mode is realized by button operation, described remote pilot adopts infrared remote control mode, and device is provided with infrared remote control receiving terminal, realizes the controlling and adjustment to real picture and pattern by remote controller.
The present invention has the features such as structure is simple, easy to operate, highly versatile, be applicable to the checking of mid-set switch cubicle handcart contacting travel preferably on-the-spot, improve the accuracy of switch cabinet handcart contacting travel checking, improve the safety and reliability that switch cabinet handcart runs.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present invention.
Fig. 2 is power circuit diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1, a kind of mid-set switch cubicle handcart contacting travel video verification servicing unit of the present invention, it mainly comprises: one provides the battery supply module 1 of power supply for device, minisize pick-up head 2, image splitter 3, LCDs 4, picture display control module 5; Described image splitter 3 is connected in minisize pick-up head 2 by connecting contact, and by described minisize pick-up head 2 incoming video signal; And carry out picture display by image splitter 3 by the same LCDs 4 be connected;
Described picture display control module 5 realizes carrying out regulable control to the picture display mode of the LCDs 4 be connected by button and remote control two kinds of control modes, and the passage picture that replaceable input is different.
Image splitter 3 of the present invention is driven or Switch Three-Phase contact with handcart, and each contact is connected with two minisize pick-up heads 2 up and down, has six road camera video signals and accesses simultaneously;
Described minisize pick-up head 2 is equipped with wiring backplane and mounting bracket, wherein wiring backplane is provided with the binding post be connected with one end of video connecting line, will monitor image transmission on control device by video output cable.
Described mounting bracket is Z-shaped, and three-phase contact is aimed in one end of minisize pick-up head 2, and other end single-coated foam is fixed on switch cart moving contact arm; Described minisize pick-up head 2 is selected as DH-205 type 700 line high definition line minisize pick-up head, and described image splitter 3 is YG600 type 6 image splitter,
Battery supply module 1 of the present invention adopts built-in lead acid accumulator, and this lead acid accumulator is directly connected in LCDs 4 and image splitter 3 respectively by mains switch, is connected to camera 2 by switching regulator IC;
Described control button is set directly on the panel of device, the switching of picture display mode is realized by button operation, described remote pilot adopts infrared remote control mode, and device is provided with infrared remote control receiving terminal, realizes the controlling and adjustment to real picture and pattern by remote controller.
Embodiment: the present invention mainly comprises: battery supply module 1, minisize pick-up head 2, image splitter 3, display apparatus module 4, picture display control module 5.
Battery supply module 1 adopts the lead acid accumulator of built-in 12V/5AH, and cell voltage is+12V, and capacity is 5AH, directly supplies LCDs and image splitter by mains switch; Adopt switching regulator IC LM2576-5.0, be that+5V supplies camera use by+12V voltage transitions, stream time can reach more than 5 hours.Accumulator electric-quantity can be charged to storage battery by 220V AC power by external battery charger after reducing.
Minisize pick-up head selects DH-205 type 700 line high definition minisize pick-up head, can in switch cubicle dark environment under realize switch contact contact situation clear display.For convenience of application at the scene, be equipped with wiring backplane and mounting bracket, wiring backplane is equipped with XH2.54 terminal, is connected with one end of video connecting line, will monitor image transmission on control device by video output cable.Mounting bracket is Z-shaped, and contact is aimed in one end of camera, and other end single-coated foam is fixed on switch cart moving contact arm.
Image splitter selects model to be 6 image splitters of YG600, can realize handcart driving three-phase contact, upper and lower two cameras of each contact, accesses, and show in same LCDs while totally 6 road camera video signals.
Display apparatus module selects model to be 10 cun of LCDs of B1042, ultimate resolution can reach 1024*768, the quality that simultaneously also simultaneously can ensure monitoring image to the display of 6 road video input signals can be realized, and its volume adequacy, the requirement of the overall size of adaptive device.
Picture display control module can realize key mode and remote control mode two kinds of control modes, the regulable control to picture display mode can be realized by function button that device panel is arranged and special remote controller, change the different passage picture of input, the switching of the display modes such as large five little, large three little a, picture-in-picture, two segmentations can be realized.
As shown in Fig. 2 power circuit diagram.Lead acid storage battery cell voltage is+12V, directly supplies LCDs and image splitter by mains switch; The power supply of camera is+5V, and in circuit, design employs switching regulator IC LM2576-5.0, is+5V by+12V voltage transitions.This chip is the 3A electric current output buck switching mode integrated stable voltage circuit that National Semiconductor produces; it includes fixed oscillator (52kHz) and benchmark pressurizer (1.23V); and there is perfect protective circuit; comprise current limit and Thermal shutdown circuit etc., utilize this device only to need few peripheral components just can form efficient voltage stabilizing circuit.+ 5V power supply is supplied to camera work by video connecting line, and by video signal transmission return device.
Claims (4)
1. a mid-set switch cubicle handcart contacting travel video verification servicing unit, it mainly comprises: one provides the battery supply module of power supply, minisize pick-up head, image splitter, LCDs, picture display control module for device; It is characterized in that described image splitter is connected in minisize pick-up head by connecting contact, and by described minisize pick-up head incoming video signal; And carry out picture display by image splitter by the same LCDs be connected;
Described picture display control module realizes carrying out regulable control to the picture display mode of the LCDs be connected by button and remote control two kinds of control modes, and the passage picture that replaceable input is different.
2. mid-set switch cubicle handcart contacting travel video verification servicing unit according to claim 1, it is characterized in that described image splitter is driven or Switch Three-Phase contact with handcart, each contact is connected with two minisize pick-up heads up and down, has six road camera video signals and accesses simultaneously;
Described minisize pick-up head is equipped with wiring backplane and mounting bracket, wherein wiring backplane is provided with the binding post be connected with one end of video connecting line, will monitor image transmission on control device by video output cable.
3. mid-set switch cubicle handcart contacting travel video verification servicing unit according to claim 2, it is characterized in that described mounting bracket is Z-shaped, three-phase contact is aimed in one end of minisize pick-up head, and other end single-coated foam is fixed on switch cart moving contact arm; Described minisize pick-up head is selected as DH-205 type 700 line high definition line minisize pick-up head, and described image splitter is YG600 type 6 image splitter.
4. mid-set switch cubicle handcart contacting travel video verification servicing unit according to claim 1, it is characterized in that described battery supply module adopts built-in lead acid accumulator, this lead acid accumulator is directly connected in LCDs and image splitter respectively by mains switch, is connected to camera by switching regulator IC;
Described control button is set directly on the panel of device, the switching of picture display mode is realized by button operation, described remote pilot adopts infrared remote control mode, and device is provided with infrared remote control receiving terminal, realizes the controlling and adjustment to real picture and pattern by remote controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510043668.9A CN104702915A (en) | 2015-01-28 | 2015-01-28 | Intermediate switchgear cabinet handcart contact travel video verification auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510043668.9A CN104702915A (en) | 2015-01-28 | 2015-01-28 | Intermediate switchgear cabinet handcart contact travel video verification auxiliary device |
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| CN104702915A true CN104702915A (en) | 2015-06-10 |
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| CN201510043668.9A Pending CN104702915A (en) | 2015-01-28 | 2015-01-28 | Intermediate switchgear cabinet handcart contact travel video verification auxiliary device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471519A (en) * | 2018-03-21 | 2018-08-31 | 国家电网公司 | A kind of KYN28-12 types switch cabinet contact tape electricity visual detection device |
| CN113281643A (en) * | 2021-05-12 | 2021-08-20 | 陕西西高开关有限责任公司 | Intelligent detection and early warning system for engagement fault of draw-out type circuit breaker contact |
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| CN113281643A (en) * | 2021-05-12 | 2021-08-20 | 陕西西高开关有限责任公司 | Intelligent detection and early warning system for engagement fault of draw-out type circuit breaker contact |
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Application publication date: 20150610 |