CN211238880U - Switch cabinet based on arc light protection - Google Patents
Switch cabinet based on arc light protection Download PDFInfo
- Publication number
- CN211238880U CN211238880U CN201922348763.6U CN201922348763U CN211238880U CN 211238880 U CN211238880 U CN 211238880U CN 201922348763 U CN201922348763 U CN 201922348763U CN 211238880 U CN211238880 U CN 211238880U
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- China
- Prior art keywords
- shell
- frame
- side wall
- protection
- arc
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- Expired - Fee Related
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a switch cabinet based on arc light protection, which relates to the field of switch cabinets and comprises a shell, wherein one side of the shell is provided with a first mounting hole, a power plug is fixedly arranged on the inner side wall of the first mounting hole, one side of the shell is provided with heat dissipation holes, the top of the shell is provided with pressure relief holes, the bottom of the shell is fixedly provided with a base, a mounting plate is fixedly arranged on the inner side wall of the shell, a protective device is fixedly arranged on the inner side wall of the top of the shell and comprises a first frame, a second frame and a protection plate, the first frame is fixedly arranged on the inner side wall of the top of the shell, the second frame is fixedly arranged on the mounting plate, springs are fixedly arranged on the first frame and the second frame, the bottom of the shell is provided with a first inner cavity and a second inner cavity, an arc light, has good development prospect.
Description
Technical Field
The utility model relates to a cubical switchboard field specifically is cubical switchboard based on arc light protection.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment.
In the actual operation of electrical equipment, the generation of fault arcs in switchgear cabinets can be caused by various factors, such as human error, incorrect connections, intrusion of animals, etc. When most accidents happen, operators carry out maintenance or installation work in the switch cabinet. In this case, the cabinet door is normally open, which can cause the arc-proof function on the switchgear cabinet to be lost.
In the operation process of the existing switch cabinet, a primary loop may have a short-circuit fault, so that a short-circuit current of tens of thousands of amperes is generated, the short-circuit current can instantly generate high-temperature and high-pressure gas, and high-temperature and high-pressure gas can be sprayed out from front and rear door radiating ports due to the fact that the cabinet body is narrow, and personal safety and adjacent equipment are easily injured, so that potential safety hazards are formed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cubical switchboard based on arc light protection to when solving the function loss that the cabinet door put forward can cause the electric arc that prevents on the cubical switchboard when opening totally and the cubical switchboard pressure release, high temperature high pressure draught can probably be in the past, the back door thermovent blowout, can injure personal safety and neighbouring equipment easily, forms the potential safety hazard problem.
In order to achieve the above object, the utility model provides a following technical scheme:
the switch cabinet based on arc light protection comprises a shell, wherein one side of the shell is provided with a first mounting hole, a power plug is fixedly mounted on the inner side wall of the first mounting hole, one side of the shell is provided with a heat dissipation hole, the top of the shell is provided with a pressure relief hole, the bottom of the shell is fixedly provided with a base, a mounting plate is fixedly mounted on the inner side wall of the shell, a protective device is fixedly mounted on the inner side wall of the top of the shell and comprises a first frame, a second frame and a protection plate, the first frame is fixedly mounted on the inner side wall of the top of the shell, the second frame is fixedly mounted on the mounting plate, springs are fixedly mounted on the first frame and the second frame, a first inner cavity and a second inner cavity are arranged at the bottom of the shell, an arc light sensor is fixedly mounted on the inner side wall of the first inner cavity, and, the controller is electrically connected with the arc sensor through a sensing circuit, and the controller is electrically connected with the circuit breaker through a control circuit.
As a further aspect of the present invention: the front side of the shell is provided with a first mounting groove, and a door plate is fixedly mounted on the inner side wall of the first mounting groove through a hinge.
As a further aspect of the present invention: the door plate is provided with a second mounting groove and a third mounting groove, and an observation window is fixedly mounted on the inner side wall of the second mounting groove.
As a further aspect of the present invention: an instrument panel is fixedly mounted on the inner side wall of the third mounting groove, and a handle is fixedly mounted on the door plate.
As a further aspect of the present invention: the louvre with all fixed mounting has the dust screen on the inside wall in pressure release hole.
As a further aspect of the present invention: the protection plate is fixedly arranged on the spring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the utility model is used, a large amount of high-temperature gas generated due to short circuit can impact the protection plate, the protection plate after impact moves towards the direction of the internal radiating holes of the utility model, and then the radiating holes can be blocked, so that the high-temperature gas can be prevented from being discharged from the radiating holes, and further the injury to a user can be avoided;
2. the utility model discloses a be provided with arc light sensor in, when arc light sensor detected the trouble electric arc and produced, will send tripping signal to the controller, the controller can receive and handle this signal, then control circuit breaker work, current arc light sensor surveys reaction time and is 1 millisecond, and from the arc light flux monitored in the twinkling of an eye when the position that the main pole contact was in the disconnection on the circuit breaker, this time is 35 to 45 milliseconds, thereby can be very big restriction the harm that the trouble electric arc produced, great improvement user's degree of safety.
Drawings
Fig. 1 is a schematic structural diagram of a switch cabinet based on arc protection.
Fig. 2 is a cross-sectional view of a switchgear based on arc protection.
Fig. 3 is a schematic structural diagram of a protection device in a switch cabinet based on arc protection.
Fig. 4 is a schematic diagram of electrical connection of the arc protection based switch cabinet.
In the figure: 1-shell, 2-power plug, 3-heat dissipation hole, 4-base, 5-pressure relief hole, 6-mounting plate, 7-frame I, 8-frame II, 9-protection plate, 10-spring, 11-arc light sensor, 12-controller, 13-circuit breaker, 14-door plate, 15-observation window, 16-instrument panel and 17-dust screen.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-4, the arc light protection-based switch cabinet comprises a housing 1, a first installation hole is formed on one side of the housing 1, a power plug 2 is fixedly installed on the inner side wall of the first installation hole, a heat dissipation hole 3 is formed on one side of the housing 1, a pressure relief hole 5 is formed on the top of the housing 1, a base 4 is fixedly installed on the bottom of the housing 1, a mounting plate 6 is fixedly installed on the inner side wall of the housing 1, a first installation groove is formed on the front side of the housing 1, a door plate 14 is fixedly installed on the inner side wall of the first installation groove through a hinge, a second installation groove and a third installation groove are formed on the door plate 14, an observation window 15 is fixedly installed on the inner side wall of the second installation groove, an instrument panel 16 is fixedly installed on the inner side wall of the third installation groove, a handle is fixedly installed on the door plate 14, and dust screens 17 are fixedly installed on the inner, when in use, A user can check whether each part in the utility model is perfect or not, the model of the inner arc light sensor 11 of the utility model is AFD-S, the model of the controller 12 is FX3G-24MT/ES-A, the model of the circuit breaker 13 is T1N-160-TMD-R63-FFC3P, the utility model is provided with the heat dissipation holes 5, and the heat dissipation holes 5 can dissipate the heat in the utility model.
As can be seen from fig. 2 and 4, the bottom of the housing 1 is provided with a first inner cavity and a second inner cavity, the inner side wall of the first inner cavity is fixedly provided with an arc sensor 11, the inner side wall of the second inner cavity is fixedly provided with a controller 12 and a circuit breaker 13, the controller 12 is electrically connected with the arc sensor 11 through a sensing circuit, the controller 12 is electrically connected with the circuit breaker 13 through a control circuit, the arc sensor 11 is provided in the utility model, when the arc sensor 11 detects that a fault arc is generated, a tripping signal is sent to the controller 12, the controller 12 can receive and process the signal, then the circuit breaker 13 is controlled to work, the existing detection reaction time of the arc sensor 11 is 1 millisecond, and the time is 35 to 45 milliseconds from the moment that the arc flux is monitored to the moment that the main pole contact of the circuit breaker 13 is in the disconnected position, thereby greatly limiting the hazard generated by the fault arc, the safety degree of the user is greatly improved.
As can be seen from the combination of FIG. 2 and FIG. 3, the inner wall of the top of the housing 1 is fixedly provided with a protection device, the protection device comprises a first frame 7, a second frame 8 and a protection plate 9, the first frame 7 is fixedly arranged on the inner wall of the top of the housing 1, the second frame 8 is fixedly arranged on the mounting plate 6, springs 10 are fixedly arranged on the first frame 7 and the second frame 8, the protection plate 9 is fixedly arranged on the springs 10, when the utility model is in use, the high-temperature gas generated due to short circuit can impact the protection plate 9, the protection plate 9 after impact moves towards the direction of the inner heat dissipation holes 3 of the utility model, and can block the heat dissipation holes 3, thereby preventing the high-temperature gas from discharging from the heat dissipation holes 3, further avoiding the injury to the user, when the protection plate 9 blocks the heat dissipation holes 3, the blocking of the pressure release holes 5 on the top of the housing 1, thereby can make this utility model carry out the pressure release to its inside through pressure release hole 5, the function is various, and the security is high.
The utility model discloses a theory of operation is: the utility model supplies power to each part in the utility model by connecting the power plug with the external power supply, when in use, A user can firstly check whether each part in the utility model is perfect, the model of the inner arc light sensor 11 of the utility model is AFD-S, the model of the controller 12 is FX3G-24MT/ES-A, the model of the breaker 13 is T1N-160-TMD-R63-FFC3P, the utility model is provided with the heat dissipation holes 5, the heat dissipation holes 5 can dissipate the heat in the utility model, one side of the heat dissipation holes 5 is provided with the protection plate 9, when the utility model is in use, the high-temperature gas generated by short circuit can impact the protection plate 9, the protection plate 9 after impact moves towards the direction of the inner heat dissipation holes 3 of the utility model, and further can block the heat dissipation holes 3, thereby being capable of avoiding the high-temperature gas from being discharged from the heat dissipation holes 3 and further avoiding the injury to the user, when the protection plate 9 blocks the heat dissipation holes 3, the blocking of the pressure relief holes 5 at the top of the shell 1 can be removed, thereby the utility model can perform the pressure relief to the inside through the pressure relief holes 5, the functions are various, the safety is high, the arc light sensor 11 is arranged in the utility model, when the arc light sensor 11 detects the fault arc, a tripping signal is sent to the controller 12, the controller 12 can receive and process the signal, then the circuit breaker 13 is controlled to work, the existing arc light sensor 11 has the detection reaction time of 1 millisecond, and the time is 35 to 45 milliseconds from the moment when the arc flux is monitored to the moment when the main pole contact on the circuit breaker 13 is in the disconnected position, thereby the harm caused by the fault arc can be greatly limited, the safety degree of the user is greatly improved.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. Switch cabinet based on arc light protection, comprising a shell (1) and is characterized in that one side of the shell (1) is provided with a first mounting hole, a power plug (2) is fixedly mounted on the inner side wall of the first mounting hole, a heat dissipation hole (3) is arranged on one side of the shell (1), a pressure relief hole (5) is arranged at the top of the shell (1), a base (4) is fixedly mounted at the bottom of the shell (1), a mounting plate (6) is fixedly mounted on the inner side wall of the shell (1), a protection device is fixedly mounted on the inner side wall of the top of the shell (1), the protection device comprises a first frame (7), a second frame (8) and a protection plate (9), the first frame (7) is fixedly mounted on the inner side wall of the top of the shell (1), the second frame (8) is fixedly mounted on the mounting plate (6), frame one (7) with equal fixed mounting has spring (10) on frame two (8), the bottom of shell (1) is provided with inner chamber one and inner chamber two, fixed mounting has arc light sensor (11) on the inside wall of inner chamber one, fixed mounting has controller (12) and circuit breaker (13) on the inside wall of inner chamber two, controller (12) through sensing circuit with arc light sensor (11) electric connection, controller (12) through control circuit with circuit breaker (13) electric connection.
2. The arc protection-based switch cabinet according to claim 1, wherein the front side of the outer shell (1) is provided with a first mounting groove, and a door panel (14) is fixedly mounted on the inner side wall of the first mounting groove through a hinge.
3. The arc protection-based switch cabinet according to claim 2, wherein the door panel (14) is provided with a second installation groove and a third installation groove, and an observation window (15) is fixedly installed on the inner side wall of the second installation groove.
4. The arc protection based switchgear according to claim 3, wherein an instrument panel (16) is fixedly installed on the inner side wall of the mounting groove III, and a handle is fixedly installed on the door panel (14).
5. The arc protection-based switchgear according to claim 1, wherein the inner side walls of the heat dissipation hole (3) and the pressure relief hole (5) are fixedly provided with dust screens (17).
6. The arc protection based switchgear according to claim 1, characterized in that the said protection plate (9) is fixedly mounted on the said spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348763.6U CN211238880U (en) | 2019-12-24 | 2019-12-24 | Switch cabinet based on arc light protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348763.6U CN211238880U (en) | 2019-12-24 | 2019-12-24 | Switch cabinet based on arc light protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211238880U true CN211238880U (en) | 2020-08-11 |
Family
ID=71923417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922348763.6U Expired - Fee Related CN211238880U (en) | 2019-12-24 | 2019-12-24 | Switch cabinet based on arc light protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211238880U (en) |
-
2019
- 2019-12-24 CN CN201922348763.6U patent/CN211238880U/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: 20200811 |