CN210517582U - Visual undercurrent ground connection route selection screen cabinet - Google Patents
Visual undercurrent ground connection route selection screen cabinet Download PDFInfo
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- CN210517582U CN210517582U CN201921569503.5U CN201921569503U CN210517582U CN 210517582 U CN210517582 U CN 210517582U CN 201921569503 U CN201921569503 U CN 201921569503U CN 210517582 U CN210517582 U CN 210517582U
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Abstract
A visual small current grounding line selection screen cabinet comprises a cabinet body; a door body is arranged on the cabinet body, an electric cavity is arranged in the inner cavity of the cabinet body, and a monitoring background and a plurality of high-precision ground fault detectors are arranged in the electric cavity; the door body can visually monitor the states of the high-precision ground fault detector and the monitoring background system and can receive and record current information and fault information in real time. Through the improvement the utility model has the characteristics of simple structure is reasonable, convenient observation, maintenance, change, safe and reliable, be independent of the looped netowrk cabinet outside, do not influence the wiring, can in time discover circuit fault etc, can also be applicable to lines such as different power distribution rooms, switch station, transformer substation extensively simultaneously and provide real-time line state control, application range is wide.
Description
Technical Field
The utility model relates to a undercurrent ground connection route selection screen cabinet, in particular to visual undercurrent ground connection route selection screen cabinet.
Background
The existing neutral point grounding mode and operation rule of the power distribution network always use the regulations and standards of the original Soviet Union, and when a single-phase grounding fault occurs, the system is allowed to operate for 2 hours with the fault. The single-phase earth fault processing needs to search for a fault line by means of line selection or manual pulling. And the operation with faults for 2 hours does not adapt to the safe and stable operation requirements of the existing power distribution network any more, and if the operation with faults is not found and processed in time, serious system faults and production accidents can be caused. Chinese patent document No. CN208299297U discloses a power supply panel cabinet in 2018, 5 and 31, and specifically discloses a power supply panel cabinet which comprises a cabinet body and a cabinet door rotatably arranged on the cabinet body, wherein two horizontal partition plates are arranged in the cabinet body to divide the cabinet body into a first partition layer, a second partition layer and a third partition layer; the front end of each interlayer is provided with a front plate, the front plate of the first interlayer is provided with an output voltmeter, a control button, a display panel and a host indicating lamp, and the front plate of the second interlayer is provided with an operating switch and an indicating lamp corresponding to the operating switch; the cabinet door is provided with a glass window and two groups of air holes, and the two groups of air holes are respectively positioned at two sides of the glass window. However, the space in the power supply cabinet body is not enough and narrow, and the operation personnel are inconvenient to observe and operate and have trouble in wiring.
Therefore, further improvements are desired.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure is reasonable, easy maintenance, be independent of the looped netowrk cabinet outside, do not influence the wiring, can in time discover circuit fault and send out the visual undercurrent ground connection route selection screen cabinet that reports an emergency and asks for help or increased vigilance to overcome the weak point among the prior art.
The visual small-current grounding line selection screen cabinet designed according to the purpose comprises a cabinet body; the method is characterized in that: the cabinet body is provided with a door body, an electric cavity is arranged in the inner cavity of the cabinet body, and a monitoring background and a plurality of high-precision ground fault detectors are arranged in the electric cavity; the door body can visually monitor the states of the high-precision ground fault detector and the monitoring background system and can receive and record current information and fault information in real time.
The door body is made of colorless transparent toughened glass and is provided with a conductive shield.
And one side of the monitoring background is provided with a liquid crystal display to realize the look-up of historical fault data and real-time line data.
The visual small-current grounding line selection screen cabinet also comprises a direct current screen, and the three-phase current of the direct current screen power supply is obtained from a circuit CT and is connected with the high-precision grounding fault detector.
A high-brightness LED fault indicator lamp and a communication manager are also arranged in the electric cavity, and the high-brightness LED fault indicator lamp is positioned between the monitoring background and the high-precision ground fault detector; the communication manager is located below the high-precision ground fault detector.
The high-precision ground fault detectors are arranged in the electric cavity in an aligned mode, and reset buttons are arranged on the high-precision ground fault detectors; when the line has a fault, the high-brightness LED fault indicator lamp sends out an alarm signal, and the fault can be isolated through the communication manager and/or the selective tripping switch and/or the high-precision earth fault detector resetting operation is carried out through the reset button.
The top of the cabinet body is provided with a dustproof sealing plate, and the lower part of the cabinet body is provided with a bottom plate; the side wall sets up a plurality of before dustproof shrouding and the bottom plate and has the through-hole, is provided with the ventilation hole about the dustproof shrouding on the lateral wall.
The through holes and the vent holes are circular, rectangular or polygonal, and a certain interval is formed between the through holes and the vent holes.
The side door plate is arranged on the side wall of the cabinet body, the side door lock is arranged above the side door plate, the cabinet body and the side door plate are fixedly connected with each other through the side door lock, and the side door lock and the cabinet body are on the same horizontal plane.
Through the improvement of the structure, the monitoring background and a plurality of high-precision ground fault detectors are arranged in the electric cavity; the door body can visually monitor the states of the high-precision ground fault detector and the monitoring background system and can receive and record current information and fault information in real time.
Comprehensively, it has simple structure reasonable, convenient observation, maintenance, change, safe and reliable, independent from the looped netowrk cabinet outside, do not influence the wiring, can in time discover characteristics such as circuit fault, can also extensively be applicable to circuits such as different distribution rooms, switch station, transformer substation simultaneously and provide real-time line state control, and application range is wide.
Drawings
Fig. 1 is a schematic view (front view) of an assembly structure according to an embodiment of the present invention.
Fig. 2 is a schematic view (back side) of an assembly structure according to an embodiment of the present invention.
Fig. 3 is a schematic view (perspective) of an assembly structure according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of the wiring principle of the small current grounding line selection cabinet in an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-4, the visual small-current grounding line selection screen cabinet comprises a cabinet body a, wherein a door body 2 is arranged on the cabinet body a, an electric cavity a1 is arranged in the inner cavity of the cabinet body a, and a monitoring background 1 and a plurality of high-precision grounding fault detectors 3 are arranged in the electric cavity a 1; the door body 2 can visually monitor the states of the high-precision ground fault detectors 3 and the monitoring background 1 system, and can receive and record current information and fault information in real time, and under the condition that a circuit is normal, a plurality of high-precision ground fault detectors 3 in the cabinet body A flash yellow lamps at a certain frequency; when a fault occurs at a detected fault point, the fault indicator can flash a red light and a highlight warning light at a certain frequency to send out a warning signal 5, a trip switch can be selected to isolate the fault at the same time, communication equipment and a background are arranged in the cabinet, the state of the whole system can be visually monitored on a control screen, and current information, fault information and the like can be received and recorded in real time.
The door body 2 is made of colorless transparent toughened glass with the thickness of 4mm and is provided with a conductive shield, the size is 2045 multiplied by 528mm, and the glass meets the national GB/T9963-1998 toughened glass standard; it can be clearly seen that the high-precision ground fault detectors 3 are installed in a centralized manner in the vertical IPS control box.
One side of the monitoring background 1 is provided with a liquid crystal display, and historical fault data and real-time line data can be consulted through the monitoring background 1.
The high-precision ground fault detection device is characterized by further comprising a direct current screen 4, wherein three-phase current of a power supply of the direct current screen 4 is acquired from a circuit CT and is mutually connected with the high-precision ground fault detector 3, and the high-precision ground fault detection device 3 does not need a power supply module and a backup battery; the high-precision ground fault detection device 3 can accurately detect high-resistance ground faults and low-current ground faults; the circuit breaker can detect high-resistance ground faults with ground resistance as high as 8000 omega and low-current ground faults with ground current as low as 0.5A, realize fault alarm and locally send tripping signals to control tripping isolation faults of the circuit breaker on a circuit.
A high-brightness LED fault indicator lamp 5 and a communication manager 6 are further arranged in the electrical cavity A1, and the high-brightness LED fault indicator lamp 5 is located between the monitoring background 1 and the high-precision ground fault detector 3; the communication management machine 6 is located the high accuracy earth fault detector 3 below, when the earth fault takes place for the circuit that detects, can see clearly that highlight LED trouble pilot lamp 5 warning light sends alarm signal through the door body 2, can install communication management machine 6 by choice simultaneously, uploads fault information to the backstage main website, notifies fortune dimension personnel.
The high-precision ground fault detectors 3 are arranged in the electrical cavity A1 in an aligned mode, and reset buttons 7 are arranged on the high-precision ground fault detectors 3; when the line has a fault, the high-brightness LED fault indicator lamp 5 sends out an alarm signal, and the fault can be isolated through the communication manager 6 and/or the selective tripping switch and/or the high-precision earth fault detector 3 can be reset through the reset button 7.
The top of the cabinet body A is provided with a dustproof sealing plate 8, and the lower part of the cabinet body A is provided with a bottom plate 9; wherein, the lateral wall sets up a plurality of before dustproof shrouding 8 and bottom plate 9 has through-hole 10, is provided with ventilation hole 8.1 about dustproof shrouding 8 on the lateral wall, and ventilation hole 8.1 upper portion is equipped with can dismantle the dust cover, and ventilation hole 8.1 inboard is equipped with can dismantle the filter screen.
The plurality of through holes 10 and the plurality of vent holes 8.1 are circular, rectangular or polygonal and are spaced from each other.
The side door plate 11 is arranged on the side wall of the cabinet body A, the size of the side door plate 11 is 1910 multiplied by 516mm, a side door lock 11.1 is arranged above the side door plate 11, the cabinet body A and the side door plate 11 are fixedly connected with each other through the side door lock 11.1, and the side door lock 11.1 and the cabinet body A are on the same horizontal plane.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A visual small current grounding wire selection screen cabinet comprises a cabinet body (A); the method is characterized in that: the cabinet body (A) is provided with a door body (2), an inner cavity of the cabinet body (A) is provided with an electrical cavity (A1), and a monitoring background (1) and a plurality of high-precision ground fault detectors (3) are arranged in the electrical cavity (A1); the door body (2) can visually monitor the states of the high-precision ground fault detector (3) and the monitoring background (1) system and can receive and record current information and fault information in real time.
2. The visual small-current grounding line selection screen cabinet according to claim 1, characterized in that: the door body (2) is made of colorless transparent toughened glass and is provided with a conductive shield.
3. The visual small-current grounding line selection screen cabinet according to claim 1, characterized in that: and a liquid crystal display is arranged on one side of the monitoring background (1) to realize the look-up of historical fault data and real-time line data.
4. The visual small-current grounding line selection screen cabinet according to claim 1, characterized in that: the high-precision grounding fault detector is characterized by further comprising a direct current screen (4), wherein the direct current screen (4) provides a power supply, and three-phase current is obtained from a circuit CT and is mutually connected with the high-precision grounding fault detector (3).
5. The visual small-current grounding line selection screen cabinet according to claim 1, characterized in that: a high-brightness LED fault indicator lamp (5) and a communication manager (6) are further arranged in the electrical cavity (A1), and the high-brightness LED fault indicator lamp (5) is located between the monitoring background (1) and the high-precision ground fault detector (3); and the communication manager (6) is positioned below the high-precision ground fault detector (3).
6. The visual small-current grounding line selection screen cabinet according to any one of claims 1-5, wherein: the high-precision ground fault detectors (3) are arranged in the electrical cavity (A1) in an aligned mode, and reset buttons (7) are arranged on the high-precision ground fault detectors (3); when the line has a fault, the high-brightness LED fault indicator lamp (5) sends out an alarm signal, and the fault can be isolated through the communication manager (6) and/or the selective tripping switch and/or the high-precision earth fault detector (3) can be reset through the reset button (7).
7. The visual small-current grounding line selection screen cabinet according to claim 1, characterized in that: the top of the cabinet body (A) is provided with a dustproof sealing plate (8), and the lower part of the cabinet body is provided with a bottom plate (9); wherein, dustproof shrouding (8) and bottom plate (9) preceding lateral wall set up a plurality of and have through-hole (10), are provided with ventilation hole (8.1) on the lateral wall about dustproof shrouding (8).
8. The visual small-current grounding line-selecting screen cabinet of claim 7, characterized in that: the through holes (10) and the vent holes (8.1) are circular, rectangular or polygonal, and a certain interval is formed between the through holes and the vent holes.
9. The visual small-current grounding line-selecting screen cabinet according to claim 7, characterized in that: the side door of the cabinet body (A) is provided with a side door board (11), a side door lock (11.1) is arranged above the side door board (11), and the cabinet body (A) and the side door board (11) are fixedly connected with each other through the side door lock (11.1) and are arranged on the same horizontal plane of the cabinet body (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569503.5U CN210517582U (en) | 2019-09-19 | 2019-09-19 | Visual undercurrent ground connection route selection screen cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569503.5U CN210517582U (en) | 2019-09-19 | 2019-09-19 | Visual undercurrent ground connection route selection screen cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517582U true CN210517582U (en) | 2020-05-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921569503.5U Active CN210517582U (en) | 2019-09-19 | 2019-09-19 | Visual undercurrent ground connection route selection screen cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210517582U (en) |
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2019
- 2019-09-19 CN CN201921569503.5U patent/CN210517582U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zeng Dehong Inventor after: Ke Chunyu Inventor after: Xu Zhenying Inventor after: Lin Weilang Inventor before: Zeng Dehong Inventor before: Xu Zhenying Inventor before: Lin Weilang |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210407 Address after: Block D, No.20, Xinyue Road, Wuliang Wusha, Shunde District, Foshan City, Guangdong Province Patentee after: HM POWER (GUANGZHOU) Co.,Ltd. Patentee after: Guangdong herzman Technology Co.,Ltd. Address before: Block D, No.20, Xinyue Road, Wuliang Wusha, Shunde District, Foshan City, Guangdong Province Patentee before: HM POWER (GUANGZHOU) Co.,Ltd. |
|
| TR01 | Transfer of patent right |