CN210272716U - Short-circuit fault protection device for 10KV power supply system - Google Patents
Short-circuit fault protection device for 10KV power supply system Download PDFInfo
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- CN210272716U CN210272716U CN201921787149.3U CN201921787149U CN210272716U CN 210272716 U CN210272716 U CN 210272716U CN 201921787149 U CN201921787149 U CN 201921787149U CN 210272716 U CN210272716 U CN 210272716U
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Abstract
The utility model discloses a 10KV power supply system short circuit fault protector relates to the electric system protection technology field, specifically is a 10KV power supply system short circuit fault protector, including upper portion protecting sheathing and upper portion inner bag, upper portion protecting sheathing's surface swing joint has the vacuum pneumatic valve, one side fixedly connected with business turn over line nozzle stub of upper portion protecting sheathing, one side fixedly connected with sealing connection plate of upper portion protecting sheathing, sealing connection plate has lower part protecting sheathing through bolt threaded connection, upper portion protecting sheathing passes through insulating rubber layer fixedly connected with upper portion inner bag. The 10KV power supply system short-circuit fault protection device has the advantages that the 10KV power supply system short-circuit fault protection device has the effect of isolating electric arcs through the arrangement of the insulating rubber layer, and the inside of the device can be absolutely sealed in the using process through the matching arrangement of the sealing connecting plate and the sealing air cushion, so that the sealing effect is achieved.
Description
Technical Field
The utility model relates to an electric system protection technical field specifically is a 10KV power supply system short-circuit fault protector.
Background
An electric power system is composed of five links of power generation, transformation, transmission, distribution and utilization, in which various types and a large number of electric devices are closely connected together through electric lines, because the covered area is very large, the operation environment is very complex and the influence of various human factors, the occurrence of electrical faults is inevitable, due to the particularity of the power system, the five links are realized by buckling rings, balancing in real time and finishing in the same time, any accident occurring in the power system may have a significant impact on the operation of the power system, for example, when a short circuit accident occurs in the equipment of a certain industrial and mining enterprise in the system, the fatal damage of electrical equipment or electrical lines is often caused due to the thermal effect and the electrodynamic effect of the short-circuit current, and the stable operation of the system can be damaged possibly seriously; when one phase of grounding happens to a certain position in a 10KV ungrounded system, the voltage of the grounding phase is reduced, the voltages of other two phases are increased, the insulation in the system can be damaged by the operation, and the possibility of further development into accidents is provided.
In a 10KV power supply system, when a short circuit occurs, the short circuit is broken through a breaking protection device to achieve the protection purpose, a large amount of electric arcs appear at the connection of the 10KV circuit and the breaking protection device when the short circuit occurs, and the generation of the electric arcs causes huge potential safety hazards, so that a protection device is urgently needed to resist the electric arcs at the connection of the 10KV circuit and the breaking protection device.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art not enough, the utility model provides a 10KV power supply system short-circuit fault protector has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a 10KV power supply system short-circuit fault protector, includes upper portion protecting sheathing and upper portion inner bag, upper portion protecting sheathing's surface swing joint has vacuum gas valve, one side fixedly connected with business turn over line nozzle stub of upper portion protecting sheathing, one side fixedly connected with sealing connection plate of upper portion protecting sheathing, sealing connection plate has lower part protecting sheathing through bolt threaded connection, upper portion protecting sheathing passes through insulating rubber layer fixedly connected with upper portion inner bag, one side fixedly connected with sealing air cushion of upper portion protecting sheathing and lower part protecting sheathing interconnect, sealing connection plate includes upper junction plate and lower connecting plate, one side fixedly connected with sealing air cushion of upper junction plate and lower connecting plate interconnect, sealing air cushion includes epirelief sealing air cushion and lower concave sealing air cushion.
Optionally, the lower protective casing is fixedly connected with a lower inner container through an insulating rubber layer, and the upper inner container and the lower inner container are made of insulating materials.
Optionally, the inlet and outlet short pipes include an upper inlet and outlet short pipe and a lower inlet and outlet short pipe, and the number of the inlet and outlet short pipes is two.
Optionally, an opening is arranged on one side of the upper protective casing, and the diameter of the inlet and outlet short pipe is longer than that of the opening.
Optionally, the inside of the inlet and outlet short pipe is movably connected with a lead, and the outer surface of the lead is movably connected with sealant.
Optionally, the vacuum valve includes a one-way valve pipeline and an air exhaust pipeline, and a one-way valve is installed inside the one-way valve pipeline.
(III) advantageous effects
The utility model provides a 10KV power supply system short-circuit fault protector possesses following beneficial effect:
1. the 10KV power supply system short-circuit fault protection device has the advantages that the 10KV power supply system short-circuit fault protection device has the effect of isolating electric arcs through the arrangement of the insulating rubber layer, and the inside of the device can be absolutely sealed in the using process through the matching arrangement of the sealing connecting plate and the sealing air cushion, so that the sealing effect is achieved, and the purpose of insulating protection is achieved.
2. According to the 10KV power supply system short-circuit fault protection device, the vacuum air valve is arranged, so that the 10KV power supply system short-circuit fault protection device has the effect of vacuumizing the interior of the 10KV power supply system short-circuit fault protection device, and the insulation effect can be achieved through the vacuum state in the use process through the formation of vacuum in the inner spaces of the upper liner and the lower liner, so that the insulation effect is achieved, and the purpose of resisting electric arcs is achieved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the cross section of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic structural view of the opening of the present invention.
In the figure: 1-upper protective shell, 2-upper liner, 3-vacuum air valve, 4-inlet and outlet short pipe, 401-upper inlet and outlet short pipe, 402-lower inlet and outlet short pipe, 5-sealing connecting plate, 6-bolt, 7-sealant, 8-lower protective shell, 9-insulating rubber layer, 10-sealing air cushion, 1001-upper convex sealing air cushion, 1002-lower concave sealing air cushion, 11-lower liner, 12-opening and 13-conducting wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: a10 KV power supply system short-circuit fault protection device comprises an upper protection shell 1 and an upper liner 2, wherein the outer surface of the upper protection shell 1 is movably connected with a vacuum air valve 3, the 10KV power supply system short-circuit fault protection device has the effect of vacuumizing the interior of the upper protection shell 1 through the arrangement of the vacuum air valve 3, one side of the upper protection shell 1 is fixedly connected with an incoming and outgoing line short pipe 4, one side of the upper protection shell 1 is fixedly connected with a sealing connection plate 5, the sealing connection plate 5 is in threaded connection with a lower protection shell 8 through a bolt 6, the upper protection shell 1 is fixedly connected with the upper liner 2 through an insulating rubber layer 9, the 10KV power supply system short-circuit fault protection device has the effect of isolating electric arcs through the arrangement of the insulating rubber layer 9, one side, which is mutually connected with the upper protection shell 1 and the lower protection shell 8, is fixedly connected with, the sealing connecting plate 5 and the sealing air cushion 10 are matched, the inside of the device can be absolutely sealed in the using process, so that the sealing effect is achieved, and the purpose of insulation protection is achieved, the sealing connecting plate 5 comprises an upper connecting plate and a lower connecting plate, the sealing air cushion 10 is fixedly connected to one side, connected with the upper connecting plate and the lower connecting plate, of the upper connecting plate, the sealing air cushion 10 comprises an upper convex sealing air cushion 1001 and a lower concave sealing air cushion 1002, the lower protective shell 8 is fixedly connected with a lower liner 11 through an insulation rubber layer 9, the insulation effect can be achieved through the vacuum state in the using process through the vacuum forming of the inner space of the upper liner 2 and the lower liner 11, the purpose of insulation is achieved, the upper liner 2 and the lower liner 11 are made of insulation materials, the inlet and outlet line short pipes 4 comprise an upper inlet and outlet line short pipe 401 and a lower inlet and outlet line short pipe 402, business turn over line nozzle stub 4's quantity is two, and one side of upper portion protecting sheathing 1 is provided with opening 12, and the diameter ratio of business turn over line nozzle stub 4 is long than the diameter of opening 12, and the inside swing joint of business turn over line nozzle stub 4 has wire 13, and the surface swing joint of wire 13 has sealed glue 7, and vacuum air valve 3 includes check valve pipeline and air exhaust pipeline, and the internally mounted of check valve pipeline has the check valve.
When the device is used, the connection part of the 10KV circuit and the circuit breaking protection device is installed in the device, the connection part is connected through the sealing connection plate 5 and the bolt 6, the connection part of the device is sealed through the sealing air cushion 10, the conducting wire 13 and the inlet and outlet short pipe 4 are sealed through the sealant 7, and the inside of the device is pumped into a vacuum state through the vacuum air valve 3.
The utility model discloses a theory of operation and beneficial effect: this 10KV power supply system short circuit fault protector, setting through insulating rubber layer 9, make this 10KV power supply system short circuit fault protector have possessed the effect of isolated electric arc, cooperation setting through sealing connection board 5 and sealed air cushion 10, can make the inside of device reach absolute sealed in the in-process of using, thereby sealed effect has been played, the purpose of insulation protection has been reached, setting through vacuum pneumatic valve 3, make this 10KV power supply system short circuit fault protector have can be with its inside vacuous effect of taking out, through the formation of upper portion inner bag 2 and 11 inner spaces vacuums of lower part, can reach insulating effect through the state of vacuum in the in-process of using, thereby insulating effect has been played, the mesh of resisting electric arc has been reached.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a 10KV power supply system short-circuit fault protector, includes upper portion protecting sheathing (1) and upper portion inner bag (2), its characterized in that: the outer surface of the upper protective shell (1) is movably connected with a vacuum air valve (3), one side of the upper protective shell (1) is fixedly connected with an inlet and outlet short pipe (4), one side of the upper protective shell (1) is fixedly connected with a sealing connecting plate (5), the sealing connecting plate (5) is connected with a lower protective shell (8) through a bolt (6) by screw thread, the upper protective shell (1) is fixedly connected with an upper inner container (2) through an insulating rubber layer (9), one side of the upper protective shell (1) and one side of the lower protective shell (8) which are connected with each other are fixedly connected with a sealing air cushion (10), the sealing connecting plate (5) comprises an upper connecting plate and a lower connecting plate, one side of the upper connecting plate and one side of the lower connecting plate which are connected with each other are fixedly connected with a sealing air cushion (10), the sealing air cushion (10) comprises an upper convex sealing air cushion (1001) and a lower concave sealing air cushion (1002).
2. A 10KV power supply system short-circuit fault protection device according to claim 1, characterized in that: the lower protective shell (8) is fixedly connected with a lower inner container (11) through an insulating rubber layer (9), and the upper inner container (2) and the lower inner container (11) are made of insulating materials.
3. A 10KV power supply system short-circuit fault protection device according to claim 1, characterized in that: the inlet and outlet short pipes (4) comprise an upper inlet and outlet short pipe (401) and a lower inlet and outlet short pipe (402), and the number of the inlet and outlet short pipes (4) is two.
4. A 10KV power supply system short-circuit fault protection device according to claim 1, characterized in that: an opening (12) is formed in one side of the upper protective shell (1), and the diameter of the inlet and outlet short pipe (4) is larger than that of the opening (12).
5. A 10KV power supply system short-circuit fault protection device according to claim 1, characterized in that: the inside swing joint of business turn over line nozzle stub (4) has wire (13), the surface swing joint of wire (13) has sealed glue (7).
6. A 10KV power supply system short-circuit fault protection device according to claim 1, characterized in that: the vacuum air valve (3) comprises a one-way valve pipeline and an air exhaust pipeline, and a one-way valve is arranged inside the one-way valve pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921787149.3U CN210272716U (en) | 2019-10-23 | 2019-10-23 | Short-circuit fault protection device for 10KV power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921787149.3U CN210272716U (en) | 2019-10-23 | 2019-10-23 | Short-circuit fault protection device for 10KV power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210272716U true CN210272716U (en) | 2020-04-07 |
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ID=70020836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921787149.3U Active CN210272716U (en) | 2019-10-23 | 2019-10-23 | Short-circuit fault protection device for 10KV power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210272716U (en) |
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2019
- 2019-10-23 CN CN201921787149.3U patent/CN210272716U/en active Active
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