CN213071948U - Heavy-current environment-friendly gas cabinet - Google Patents
Heavy-current environment-friendly gas cabinet Download PDFInfo
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- CN213071948U CN213071948U CN202021796000.4U CN202021796000U CN213071948U CN 213071948 U CN213071948 U CN 213071948U CN 202021796000 U CN202021796000 U CN 202021796000U CN 213071948 U CN213071948 U CN 213071948U
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- arc extinguishing
- control mechanism
- gas cabinet
- sleeve
- chamber
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Abstract
The utility model discloses a large-current environment-friendly gas cabinet, which comprises an installation chamber, an isolation control mechanism, a circuit breaking control mechanism and an arc extinguishing mechanism; a plurality of first sleeves for guiding the bus to be connected into the gas cabinet are arranged below the mounting chamber, and a plurality of second sleeves for being connected into the power transmission line are arranged above the mounting chamber; the arc extinguishing mechanism is arranged in the mounting chamber above the first sleeve, one end of the arc extinguishing mechanism is electrically connected with the first sleeve, and the other end of the arc extinguishing mechanism is electrically connected with the circuit breaking control mechanism arranged outside the mounting chamber and used for controlling the circuit breaking control mechanism to be switched on and off and rapidly extinguishing arc and inhibiting current after the power supply is switched off; the isolation control mechanism is arranged in the mounting chamber above the arc extinguishing mechanism, and is respectively electrically connected with the circuit breaking control mechanism and the second sleeve for controlling the circuit to be separated and combined. The utility model discloses can put off the arc rapidly and restrain the electric current after the power cuts off, effectively avoid the component in the gas cabinet to be punctured by electric arc, the structure is exquisite, has improved the life of gas cabinet.
Description
Technical Field
The utility model relates to a gas cabinet technical field especially relates to a heavy current environmental protection gas cabinet.
Background
With the continuous construction of power grids, gas cabinets suitable for power grid construction are widely used, wherein existing gas cabinets are divided into sulfur hexafluoride gas type gas cabinets and environment-friendly gas (nitrogen or dry air) type gas cabinets. At present, the atmospheric environment problem is more and more serious, sulfur hexafluoride is taken as atmospheric greenhouse gas, a large amount of harmful gas can be generated when a gas cabinet is powered on and powered off, and along with the improvement of environmental importance degree of China, the use of sulfur hexafluoride gas type gas cabinets in power grid construction is continuously reduced, so that the environment-friendly gas type gas cabinet taking environment-friendly gas as an insulating medium becomes a mainstream gas cabinet; however, since the insulating property of nitrogen or dry air is much lower than that of sulfur hexafluoride gas, the components in the environmental protection gas cabinet are more easily broken down by the arc, and therefore, there is a need to provide an environmental protection gas cabinet with good arc extinguishing property to reduce the possibility of the components in the environmental protection gas cabinet being broken down by the arc, thereby prolonging the service life of the environmental protection gas cabinet.
Based on this, the utility model discloses and research and development.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a gaseous cabinet of heavy current environmental protection.
The technical scheme of the utility model as follows:
a high current environmental protection gas cabinet comprising: the device comprises an installation chamber, an isolation control mechanism, a circuit breaking control mechanism and an arc extinguishing mechanism; a plurality of first sleeves are arranged below the installation chamber, each first sleeve is used for guiding a bus to be connected into the gas cabinet, a plurality of second sleeves are arranged above the installation chamber, and each second sleeve is used for being connected into a power transmission line; the arc extinguishing mechanism is arranged in the mounting chamber above the first sleeve, one end of the arc extinguishing mechanism is electrically connected with the first sleeve, the other end of the arc extinguishing mechanism is electrically connected with a circuit breaking control mechanism fixedly arranged on the outer side of the mounting chamber, and the arc extinguishing mechanism is used for controlling the opening and closing of the circuit breaking control mechanism and rapidly extinguishing arc and inhibiting current after a power supply is cut off; the isolation control mechanism is arranged in the installation chamber above the arc extinguishing mechanism, and is respectively electrically connected with the circuit breaking control mechanism and the second sleeve and used for controlling the opening and closing of the circuit.
Further, the isolation control mechanism comprises an operating mechanism, a grounding switch and an isolating switch; the operating mechanism is fixedly arranged on the outer side of the mounting chamber above the circuit breaking control mechanism, a transmission device is arranged above the arc extinguishing mechanism and in the mounting chamber, and the operating mechanism is electrically connected with the circuit breaking control mechanism; the grounding switch is arranged on the transmission device and used for realizing grounding, and the transmission device drives the grounding switch to rotate through the action of the operating mechanism when in use; the isolation switch is arranged on the transmission device on one side of the grounding switch, the isolation switch is electrically connected with the arc extinguishing mechanism and the second sleeve respectively, and the transmission device drives the isolation switch to rotate through the action of the operating mechanism during use.
Furthermore, an insulator is arranged on the isolating switch and used for increasing the creepage distance.
Furthermore, the arc extinguishing mechanism is a vacuum arc extinguishing chamber, and the operation of arc extinguishing and current suppression is realized through the action of the vacuum arc extinguishing chamber when the arc extinguishing mechanism is used.
Furthermore, a plurality of connecting screws are arranged on the circuit breaking control mechanism, correspondingly, connecting holes are formed in the positions, corresponding to the connecting screws, of the installation chamber, and the circuit breaking control mechanism is fixedly connected with the installation chamber through the connecting screws and the connecting holes.
Furthermore, a plurality of fixing screws are arranged on the operating mechanism, corresponding fixing holes are formed in the positions, corresponding to the fixing screws, of the mounting chamber, and the operating mechanism is fixedly connected with the mounting chamber through the fixing screws and the fixing holes.
By adopting the scheme, the utility model discloses following beneficial effect has:
1. the design of the utility model can rapidly extinguish arc and restrain current after the power supply is cut off, effectively avoid elements in the gas cabinet from being punctured by electric arc, has exquisite structure and prolongs the service life of the gas cabinet;
2. the application of earthing switch in the preferred scheme has replaced portable ground wire, can satisfy the protection requirement with equipment ground connection when gas cabinet overhauls, and the security is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the utility model provides a heavy current environmental protection gas cabinet, include: the device comprises an installation chamber 1, an isolation control mechanism, a circuit breaking control mechanism 2 and an arc extinguishing mechanism; a plurality of first sleeves 3 are arranged below the installation chamber 1, each first sleeve 3 is used for guiding a bus to be connected into the gas cabinet, a plurality of second sleeves 4 are further arranged above the installation chamber 1, and each second sleeve 4 is used for being connected into a power transmission line; the arc extinguishing mechanism is arranged in the installation chamber 1 above the first sleeve 3, one end of the arc extinguishing mechanism is electrically connected with the first sleeve 3, the other end of the arc extinguishing mechanism is electrically connected with the circuit breaking control mechanism 2 fixedly arranged on the outer side of the installation chamber 1, the arc extinguishing mechanism is used for controlling the opening and closing of the circuit breaking control mechanism 2 and rapidly extinguishing arcs and inhibiting current after a power supply is cut off, and elements in the gas cabinet are effectively prevented from being broken down by arcs, so that accidents and accidents are avoided; the isolation control mechanism is arranged in the installation chamber 1 above the arc extinguishing mechanism, and is respectively electrically connected with the circuit breaking control mechanism 2 and the second sleeve 4 and used for controlling the opening and closing of the circuit.
In the present embodiment, the isolation control mechanism includes an operating mechanism 5, a grounding switch 6 and an isolating switch 7; the operating mechanism 5 is fixedly arranged on the outer side of the installation chamber 1 above the circuit breaking control mechanism 2, the operating mechanism 5 is arranged above the arc extinguishing mechanism and a transmission device is arranged in the installation chamber 1, and the operating mechanism 5 is electrically connected with the circuit breaking control mechanism 2; the grounding switch 6 is arranged on the transmission device, the grounding switch 6 is used for realizing grounding, and the transmission device drives the grounding switch 6 to rotate through the action of the operating mechanism 5 when in use, so that the grounding treatment of equipment can be realized through the grounding switch 6 when in maintenance, and a protective effect is realized; the isolating switch 7 is arranged on one side of the grounding switch 6 on the transmission device, the isolating switch 7 is respectively electrically connected with the arc extinguishing mechanism and the second sleeve 4, and the transmission device drives the isolating switch 7 to rotate through the action of the operating mechanism 5 during use, so that the isolating switch 7 can realize the on-off of the control circuit.
In this embodiment, the isolator 7 is provided with an insulator 8 for increasing a creepage distance.
In this embodiment, the arc extinguishing mechanism is a vacuum arc extinguishing chamber 9, and when in use, the operation of arc extinguishing and current suppression is realized through the action of the vacuum arc extinguishing chamber 9, so as to play a role in protection.
In this embodiment, a plurality of connection screws are disposed on the disconnection control mechanism 2, and correspondingly, connection holes are disposed on the installation chamber 1 corresponding to each connection screw, and when the disconnection control mechanism is installed, the connection screws are screwed in the connection holes, so that the disconnection control mechanism 2 can be tightly fixed on the installation chamber 1.
In this embodiment, a plurality of fixing screws are disposed on the operating mechanism 5, correspondingly, fixing holes are disposed on the mounting chamber 1 at positions corresponding to each of the fixing screws, and the operating mechanism 5 can be tightly fixed on the mounting chamber 1 by tightening the fixing screws in the fixing holes during mounting.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the design of the utility model can rapidly extinguish arc and restrain current after the power supply is cut off, effectively avoid elements in the gas cabinet from being punctured by electric arc, has exquisite structure and prolongs the service life of the gas cabinet;
2. the application of earthing switch in the preferred scheme has replaced portable ground wire, can satisfy the protection requirement with equipment ground connection when gas cabinet overhauls, and the security is high.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A high-current environment-friendly gas cabinet is characterized by comprising: the device comprises an installation chamber, an isolation control mechanism, a circuit breaking control mechanism and an arc extinguishing mechanism; a plurality of first sleeves are arranged below the installation chamber, each first sleeve is used for guiding a bus to be connected into the gas cabinet, a plurality of second sleeves are arranged above the installation chamber, and each second sleeve is used for being connected into a power transmission line; the arc extinguishing mechanism is arranged in the mounting chamber above the first sleeve, one end of the arc extinguishing mechanism is electrically connected with the first sleeve, the other end of the arc extinguishing mechanism is electrically connected with a circuit breaking control mechanism fixedly arranged on the outer side of the mounting chamber, and the arc extinguishing mechanism is used for controlling the opening and closing of the circuit breaking control mechanism and rapidly extinguishing arc and inhibiting current after a power supply is cut off; the isolation control mechanism is arranged in the installation chamber above the arc extinguishing mechanism, and is respectively electrically connected with the circuit breaking control mechanism and the second sleeve and used for controlling the opening and closing of the circuit.
2. The high current environmental friendly gas cabinet according to claim 1, wherein the isolation control mechanism comprises an operating mechanism, a grounding switch and an isolating switch; the operating mechanism is fixedly arranged on the outer side of the mounting chamber above the circuit breaking control mechanism, a transmission device is arranged above the arc extinguishing mechanism and in the mounting chamber, and the operating mechanism is electrically connected with the circuit breaking control mechanism; the grounding switch is arranged on the transmission device and used for realizing grounding, and the transmission device drives the grounding switch to rotate through the action of the operating mechanism when in use; the isolation switch is arranged on the transmission device on one side of the grounding switch, the isolation switch is electrically connected with the arc extinguishing mechanism and the second sleeve respectively, and the transmission device drives the isolation switch to rotate through the action of the operating mechanism during use.
3. A large-current environment-friendly gas cabinet according to claim 2, wherein the isolating switch is provided with an insulator for increasing creepage distance.
4. A high-current environment-friendly gas cabinet according to claim 1, wherein the arc extinguishing mechanism is a vacuum arc extinguishing chamber, and the arc extinguishing and current suppressing operations are realized by the action of the vacuum arc extinguishing chamber in use.
5. The high current environmental gas cabinet according to claim 1, wherein a plurality of connection screws are disposed on said shutdown control mechanism, and correspondingly, connection holes are disposed on the installation chamber corresponding to each of the connection screws, and the shutdown control mechanism is fixedly connected to the installation chamber through the connection screws and the connection holes.
6. A large-current environment-friendly gas cabinet according to claim 2, wherein a plurality of fixing screws are disposed on the operating mechanism, fixing holes are correspondingly disposed on the mounting chamber at positions corresponding to each fixing screw, and the operating mechanism is fixedly connected with the mounting chamber through the fixing screws and the fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021796000.4U CN213071948U (en) | 2020-08-25 | 2020-08-25 | Heavy-current environment-friendly gas cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021796000.4U CN213071948U (en) | 2020-08-25 | 2020-08-25 | Heavy-current environment-friendly gas cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213071948U true CN213071948U (en) | 2021-04-27 |
Family
ID=75553441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021796000.4U Active CN213071948U (en) | 2020-08-25 | 2020-08-25 | Heavy-current environment-friendly gas cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213071948U (en) |
-
2020
- 2020-08-25 CN CN202021796000.4U patent/CN213071948U/en active Active
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