CN215732862U - Monitoring protection device of wisdom electric wire netting arc light - Google Patents
Monitoring protection device of wisdom electric wire netting arc light Download PDFInfo
- Publication number
- CN215732862U CN215732862U CN202121936982.7U CN202121936982U CN215732862U CN 215732862 U CN215732862 U CN 215732862U CN 202121936982 U CN202121936982 U CN 202121936982U CN 215732862 U CN215732862 U CN 215732862U
- Authority
- CN
- China
- Prior art keywords
- arc light
- power distribution
- distribution cabinet
- switch board
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Patch Boards (AREA)
Abstract
The utility model relates to a monitoring and protecting device for arc light of a smart power grid, which comprises a power distribution cabinet and a cabinet door hinged on one side of an opening, wherein a main control box is installed in the power distribution cabinet, an arc light sensor electrically connected with the main control box is installed on the inner side wall of the power distribution cabinet, a gas compression tank electrically connected with the main control box is accommodated at the bottom end in the power distribution cabinet, a sealing rubber strip is connected to the opening of the power distribution cabinet, a pressing frame for pressing the sealing rubber strip is also installed in the power distribution cabinet, and the pressing frame drives displacement through a driving device. When monitoring, if there is electric arc to produce, the arc light sensor that the symmetry set up can effectively monitor behind the electric arc signal to the master control case, avoids taking place to omit or not the condition of discovery to appear, the master control case then control circuit disconnection, control linear electric motor starts the drive and supports the frame and support the joint strip and press on the cabinet door, also controls gas compression jar release inert gas simultaneously, extrudes the air from the switch board in, has avoided the emergence of conflagration to in time send out the signal alarm, make emergency treatment.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, and particularly relates to a monitoring and protecting device for arc light of a smart power grid.
Background
The arc is a phenomenon in the discharging process, and occurs when the voltage between two points exceeds the power frequency insulation strength limit of the voltage, the arc disappears until the protective equipment on the current side is disconnected, the arc will continue to occur as long as the energy provided by the voltages at the two ends is enough to compensate heat loss and maintain proper temperature conditions, similarly, the arc can also occur if two phases of the circuit are short-circuited, the short circuit is that two conductors with different voltages are connected with low impedance to form a low-impedance conductor, and a large short-circuit current value can be generated once the short circuit is formed.
The electric arc light monitoring and protection device of switch board generally installs several arc light intensity sensor in the switch board and whether have the arc light to take place in the check switch board, when the discovery has the arc light intensity excess value, whether the total inlet wire electric current that combines the switch board is the excess value and carries out tripping operation protection, when the two all satisfied the condition, sends and trips total inlet wire circuit breaker, whole switch board loses electricity. The monitoring does not consider the development process of arc light, only takes an instantaneous value as a basis, and the current during linkage still needs to exceed a fixed value, so that if the total current does not exceed the value, arc drawing is continuously carried out in the breaking process of the branch circuit breaker or arc drawing of grounding current occurs, the judgment cannot be met at the same time, the arc fault is enlarged, even if the incoming line breaker is tripped clearly through timely diagnosis, the whole power distribution cabinet is powered off, redundant branches which operate well are cut off, and even if the arc fault occurs, the protection action is only to trip the incoming line breaker, the operating current is cut off, such as arc burning, or fire-fighting remedial measures cannot be carried out timely.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and mainly solves the problem of providing a monitoring and protecting device for smart grid arc light, which not only can timely monitor the generation of electric arcs and timely make countermeasures, but also can prevent fire hazard and avoid larger loss.
The purpose of the utility model is realized as follows: the utility model provides a monitoring protection device of wisdom electric wire netting arc light, includes the switch board and articulates at opening one side cabinet door, install the master control case in the switch board, the arc light sensor with master control case electric connection is installed to the switch board inside wall, bottom end holding has the gas compression jar with master control case electric connection in the switch board, the switch board opening part is connected with joint strip, still install the support of supporting joint strip in the switch board and press the frame, it passes through drive arrangement drive displacement to press the frame.
Furthermore, drive arrangement includes two sets of slide bars, the slide bar is connected respectively and is being supported and press frame one side, slide bar sliding connection is on the stopper on the switch board inside wall, and wherein the other end and the linear electric motor output coaxial coupling of a set of slide bar.
Furthermore, a one-way exhaust valve is connected in an air vent formed in the side wall of the power distribution cabinet close to the upper end, and a filter screen is covered on the surface of the one-way exhaust valve.
Furthermore, inert gas with density larger than that of air is filled in the gas compression tank, the tank opening of the gas compression tank is connected with an electromagnetic valve, and the electromagnetic valve is controlled to be opened through the main control box.
Furthermore, various circuit elements are installed on the installation strip connected with the inner side wall of the power distribution cabinet, and the circuit elements are all located in the induction range of the arc light sensor.
The utility model has the technical effects that: when monitoring, if there is electric arc to produce, the arc light sensor that the symmetry set up can effectively monitor behind the electric arc signal to the master control case, avoids taking place to omit or not the condition of discovery to appear, the master control case then control circuit disconnection, control linear electric motor starts the drive and supports the frame and support the joint strip and press on the cabinet door, also controls gas compression jar release inert gas simultaneously, extrudes the air from the switch board in, has avoided the emergence of conflagration to in time send out the signal alarm, make emergency treatment.
Drawings
FIG. 1 is a schematic perspective view of the device of the present invention.
In the drawings: 1. a power distribution cabinet; 2. a cabinet door; 3. a master control box; 4. an arc light sensor; 5. a gas compression tank; 6. sealing rubber strips; 7. pressing the frame; 8. a slide bar; 9. a limiting block; 10. a linear motor; 11. a one-way exhaust valve; 12. mounting a bar; 13. and (4) a vent hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will now be described in detail with reference to the accompanying drawings.
The utility model provides a monitoring protection device of wisdom electric wire netting arc light, includes switch board 1 and articulates at opening one side cabinet door 2, install master control case 3 in the switch board 1, 1 inside wall of switch board install with 3 electric connection's of master control case arc light sensor 4, 1 bottom end holding of switch board has the gas compression jar 5 with 3 electric connection of master control case, 1 opening part of switch board is connected with joint strip 6, still install the support of supporting joint strip 6 in the switch board 1 and press frame 7, support and press frame 7 and pass through drive arrangement drive displacement.
As shown in fig. 1, in the process of monitoring, if there is electric arc to produce, then arc light sensor 4 in time signals to master control case 3 after monitoring, master control case 3 is according to the signal disconnection that receives, control drive arrangement will be supported and press frame 7 promotion extrusion joint strip 6, make the inside sealed space that forms of switch board 1, control gas compression jar 5 release inert gas simultaneously and extrude original air in switch board 1, the emergence of conflagration has been avoided, prevent the expansion of accident, joint strip 6's effect provides sealed condition on the one hand, on the other hand prevents that the light source from entering into switch board 1, influence arc light sensor 4's monitoring.
According to one embodiment of the utility model, the driving device comprises two groups of sliding rods 8, the sliding rods 8 are respectively connected to one side of the pressing frame 7, the sliding rods 8 are slidably connected to a limiting block 9 on the inner side wall of the power distribution cabinet 1, and the other ends of the group of sliding rods 8 are coaxially connected with the output end of the linear motor 10. Linear motor 10 drive slide bar 8 promotes along stopper 9's axial direction to the extrusion supports and presses frame 7 and extrudees joint strip 6, thereby makes and forms a sealed space in switch board 1, and then avoids the emergence of conflagration.
According to one embodiment of the utility model, a one-way exhaust valve 11 is connected in a vent hole 13 formed in the side wall of the power distribution cabinet 1 close to the upper end, and a filter screen is covered on the surface of the one-way exhaust valve 11. The one-way exhaust valve 11 enables the gas compression tank 5 to extrude original gas out of the one-way exhaust valve 11 when releasing gas, so that the electric arc is isolated from the oxygen, the fire hazard is fundamentally eliminated, and the filter screen filters dust to prevent blockage.
According to one embodiment of the utility model, inert gas with density higher than that of air is filled in the gas compression tank 5, and the opening of the gas compression tank 5 is connected with an electromagnetic valve which is controlled to open by the main control box 3. The filled inert gas with the density larger than that of the air can ensure that the original air can be completely discharged when the original air of the power distribution cabinet 1 is extruded, and the fire disaster is avoided.
According to one embodiment of the utility model, the mounting bars 12 connected to the inner side walls of the cabinet 1 mount various circuit components, which are all within the sensing range of the arc sensor 4. The mounting bar 12 is provided with circuit components which enable the arc sensor 4 to fully detect the occurrence of an arc in the circuit, and to detect and signal the first time an arc occurs.
The monitoring and protecting device for the arc light of the smart power grid can timely monitor and early warn the arc generated in the circuit completely, and simultaneously isolate the air in the power distribution cabinet, thereby avoiding the occurrence of fire and greatly reducing the loss caused by accidents.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (5)
1. The utility model provides a monitoring protection device of wisdom electric wire netting arc light, includes switch board (1) and articulates at opening one side cabinet door (2), its characterized in that: install master control case (3) in switch board (1), arc light sensor (4) with master control case (3) electric connection are installed to switch board (1) inside wall, switch board (1) bottom end holding has gas compression jar (5) with master control case (3) electric connection, switch board (1) opening part is connected with joint strip (6), still install support of supporting joint strip (6) in switch board (1) and press frame (7), support and press frame (7) through drive arrangement drive displacement.
2. The smart grid arc light monitoring and protecting device according to claim 1, wherein: the driving device comprises two groups of sliding rods (8), the sliding rods (8) are connected to one side of the pressure resisting frame (7) respectively, the sliding rods (8) are connected to limiting blocks (9) on the inner side wall of the power distribution cabinet (1) in a sliding mode, and the other end of one group of sliding rods (8) is coaxially connected with the output end of the linear motor (10).
3. The smart grid arc light monitoring and protecting device according to claim 1, wherein: the power distribution cabinet is characterized in that a one-way exhaust valve (11) is connected in an air vent (13) formed in the side wall, close to the upper end, of the power distribution cabinet (1), and a filter screen is covered on the surface of the one-way exhaust valve (11).
4. The smart grid arc light monitoring and protecting device according to claim 1, wherein: the gas compression tank (5) is filled with inert gas with density larger than air, the opening of the gas compression tank (5) is connected with an electromagnetic valve, and the electromagnetic valve is controlled to be opened through the main control box (3).
5. The smart grid arc light monitoring and protecting device according to claim 1, wherein: the mounting strip (12) connected with the inner side wall of the power distribution cabinet (1) is used for mounting various circuit elements, and the circuit elements are all located in the induction range of the arc light sensor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121936982.7U CN215732862U (en) | 2021-08-18 | 2021-08-18 | Monitoring protection device of wisdom electric wire netting arc light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121936982.7U CN215732862U (en) | 2021-08-18 | 2021-08-18 | Monitoring protection device of wisdom electric wire netting arc light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215732862U true CN215732862U (en) | 2022-02-01 |
Family
ID=79997764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121936982.7U Active CN215732862U (en) | 2021-08-18 | 2021-08-18 | Monitoring protection device of wisdom electric wire netting arc light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215732862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783124A (en) * | 2022-03-29 | 2022-07-22 | 浙江万可电气设备有限公司 | Linkage module of switch equipment and switch equipment |
-
2021
- 2021-08-18 CN CN202121936982.7U patent/CN215732862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783124A (en) * | 2022-03-29 | 2022-07-22 | 浙江万可电气设备有限公司 | Linkage module of switch equipment and switch equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202276194U (en) | Online medium voltage switch cabinet monitoring device | |
| CN215732862U (en) | Monitoring protection device of wisdom electric wire netting arc light | |
| CN205863768U (en) | A kind of monitoring alarm device of power distribution station | |
| CN209217456U (en) | A kind of SF6 all insulation breaker cabinet complete set of equipments | |
| CN208399618U (en) | A kind of real-time inspection and control device of electrical equipment grounding state | |
| CN213401990U (en) | Low-voltage power distribution cabinet | |
| CN207184052U (en) | A kind of thunder-prevention switch cabinet with discharging gap | |
| CN201038735Y (en) | Locking and interlocking device for coal mine main draught fan and down-hole power supply | |
| CN208589780U (en) | A kind of Surge Protector | |
| CN206834842U (en) | Intelligent O＆M power distribution control system | |
| CN111239575A (en) | High-voltage equipment partial discharge on-line monitoring device | |
| CN105305622A (en) | Anti-misoperation distribution cabinet capable of remote control | |
| CN201325345Y (en) | Box section post for electrified railway | |
| CN109449060B (en) | Method for monitoring high-voltage circuit breaker mechanism spring on line by using force transducer | |
| CN105098646B (en) | A kind of indoor intelligence 10kV demarcation circuit breaker switchgears with communication function | |
| CN112954987B (en) | Emergency cut-off device | |
| CN215644188U (en) | Outdoor high-voltage vacuum circuit breaker | |
| CN219096498U (en) | Contact net detection device | |
| CN217563306U (en) | Overcurrent protection device of electromagnetic voltage transformer | |
| CN116413600B (en) | Energy storage test system and test method thereof | |
| CN218334842U (en) | Outdoor looped netowrk cabinet with ventilation dehumidification function | |
| CN220797545U (en) | Intelligent power distribution device for mine | |
| CN214626359U (en) | Branch grounding energy automatic transfer system for electric power direct-current power supply | |
| CN108511277A (en) | A kind of electrical engineering distributor breaker | |
| CN216162130U (en) | Electric safety monitoring device for power grid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |