CN217214568U - Indoor high-voltage vacuum load isolating switch - Google Patents
Indoor high-voltage vacuum load isolating switch Download PDFInfo
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- CN217214568U CN217214568U CN202123084611.3U CN202123084611U CN217214568U CN 217214568 U CN217214568 U CN 217214568U CN 202123084611 U CN202123084611 U CN 202123084611U CN 217214568 U CN217214568 U CN 217214568U
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- vacuum load
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Abstract
The utility model belongs to the technical field of high-voltage electrical equipment subassembly, especially, relate to indoor high pressure vacuum load isolator, be qualified for the next round of competitions and be qualified for the next round of competitions on, including insulator seat, isolator, go up to be qualified for the next round of competitions, the inside fixed mounting of insulator seat has vacuum interrupter, the front of insulator seat is hollow structure, and the back fixed mounting of insulator seat has metal crate. This indoor high-pressure vacuum load isolator through being provided with fuse and the high disconnected vacuum interrupter of breaking, the upper outlet wire runs through vacuum interrupter and fuse in proper order, and can realize the singly separating and singly closing or reclosing function with the lower electric connection that is qualified for the next round of competitions, and transmission precision is high, has disconnected short circuit current ability, and the front of insulator seat is hollow structure, can prevent indoor high-pressure vacuum load switch because set up in non-transparent insulator seat for operating personnel is not direct-viewing when observing, judges inconveniently, when operating personnel overhauld isolator, the succinct more convenient maintenance of overall arrangement structure.
Description
Technical Field
The utility model relates to a high-voltage electrical equipment subassembly technical field specifically is indoor high-pressure vacuum load isolator.
Background
The conventional vacuum circuit breaker configured in an indoor switch cabinet mainly comprises a post, an operating mechanism, a static contact seat of an isolating switch, an insulating cover and a metal fixed frame, wherein the post, the operating mechanism, the static contact seat of the isolating switch and the insulating cover are longitudinally arranged from front to back. The traditional load switch is directly switched on when energy storage is completed, the traditional load switch usually adopts main shaft torsion, and the switching on is realized through three groups of crank arms.
The traditional indoor high-voltage vacuum load switch adopts a straight-through type, the isolating switch is switched on and off through up-and-down linear motion, and the indoor high-voltage vacuum load switch is arranged in a non-transparent insulating cover, so that an operator cannot observe the switch directly and the judgment is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indoor high pressure vacuum load isolator to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the indoor high-voltage vacuum load isolating switch comprises an insulating seat, an isolating switch, an upper outgoing line and a lower outgoing line, wherein the isolating switch is fixedly installed at the top of the insulating seat, the upper outgoing line is connected to the top of the insulating seat, and the lower outgoing line is arranged at the bottom of the insulating seat.
The vacuum arc-extinguishing chamber is fixedly installed inside the insulating seat, and the front face of the insulating seat is of a hollow structure.
Preferably, a metal frame is fixedly mounted on the back of the insulating base, a spring mechanism is fixedly mounted in the middle of the front of the metal frame, an operation panel is fixedly mounted on the right side of the metal frame, and a grounding switch is fixedly mounted at the bottom of the front of the metal frame.
Preferably, the inside front fixed mounting of insulating seat has last fuse to press from both sides, the front of going up the fuse clamp is connected with the flexible coupling, the bottom of flexible coupling is connected with the fuse, the bottom fixed mounting of fuse has lower fuse to press from both sides, the trip plate is installed to the bottom of insulating seat.
Preferably, isolator and operating panel signal connection, go up to be qualified for the next round of competitions and run through vacuum interrupter and fuse in proper order, and with the lower electric connection that is qualified for the next round of competitions.
Preferably, the tripping plate is clamped with the bottom of the inner wall of the insulating seat.
Preferably, the rated voltage of the operation panel is 12kV, the rated frequency of the operation panel is 50Hz, and the rated peak withstand current of the fuse is 63 kA.
Preferably, the model of the isolating switch is one of FZN25-12DG/T630-25 or FZN25-12DG/T1250-25, and the model of the vacuum load isolating switch-fuse combined electrical apparatus is FZRN25-12 DG/T200-31.5.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the indoor high-voltage vacuum load isolating switch is provided with the fuse and the high-breaking vacuum arc extinguish chamber, the upper outgoing line sequentially penetrates through the vacuum arc extinguish chamber and the fuse, and is electrically connected with the lower outgoing line to realize the single-breaking and single-closing or reclosing function, the transmission precision is high, and the indoor high-voltage vacuum load isolating switch has the capacity of breaking and short-circuit current.
2. This indoor high-voltage vacuum load isolator, the front of insulator bay is hollow structure, can prevent indoor high-voltage vacuum load isolator because set up in non-transparent insulator bay for operating personnel is not direct-viewing when observing, judges inconveniently, when operating personnel overhauld isolator, and overall arrangement structure is succinct more convenient the maintenance.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a perspective view of the insulating base of the present invention;
fig. 3 is a side view of the present invention.
In the figure: the device comprises an upper outgoing line 1, a disconnecting switch 2, an insulating base 3, a flexible connection 4, an upper fuse clamp 5, a fuse 6, a lower fuse clamp 7, a tripping plate 8, a lower outgoing line 9, a metal frame 10, a vacuum arc extinguish chamber 11, a spring mechanism 12, an operating panel 13 and a grounding switch 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Referring to fig. 1-3, the present invention provides a technical solution: indoor high-voltage vacuum load isolator, including insulating seat 3, isolator 2, go up 1 and the lower 9 of being qualified for the next round of competitions, isolator 2 fixed mounting is at the top of insulating seat 3, it connects in the top of insulating seat 3 to go up 1 of being qualified for the next round of competitions, the lower 9 of being qualified for the next round of competitions sets up in the bottom of insulating seat 3, isolator 2 and operating panel 13 signal connection, it runs through vacuum interrupter 11 and fuse 6 in proper order to go up 1 of being qualified for the next round of competitions, and with the lower 9 electric connection that is qualified for the next round of competitions, the front of insulating seat 3 is hollow structure, can prevent indoor high-voltage vacuum load switch because set up in non-transparent insulating seat 3, make operating personnel not directly under the observation, judge inconveniently, when operating personnel overhauld isolator 2, the overall arrangement is succinct more convenient to maintain.
The vacuum arc extinguish chamber 11 is fixedly installed in the insulating seat 3, the front of the insulating seat 3 is of a hollow structure, the metal frame 10 is fixedly installed on the back of the insulating seat 3, the spring mechanism 12 is fixedly installed in the middle of the front of the metal frame 10, the operating panel 13 is fixedly installed on the right side of the metal frame 10, the grounding switch 14 is fixedly installed at the bottom of the front of the metal frame 10, the grounding switch 14 is connected with the ground, when an operator maintains the vacuum load isolating switch, the phenomenon that the vacuum load isolating switch causes electric shock is prevented, the upper fuse clip 5 is fixedly installed on the front of the inside of the insulating seat 3, the front of the upper fuse clip 5 is connected with the flexible connection 4, the bottom of the flexible connection 4 is connected with the fuse 6, the fuse 6 can be fused by the flexible connection 4 under the high-temperature condition, so that the fuse 6 falls off, the lower fuse clip 7 is fixedly installed at the bottom of the fuse 6, the tripping plate 8 is installed at the bottom of the insulating seat 3, the lower outgoing line 9 is fixedly connected with the bottom of the tripping plate 8, the lower outgoing line 9 penetrates through the tripping plate 8, the tripping plate 8 is clamped with the bottom of the inner wall of the insulating base 3, the lower outgoing line 9 can also enable the load isolating switch 2 to be switched off through the tripping plate 8 after the fuse 6 is fused, the upper outgoing line 1 sequentially penetrates through the vacuum arc extinguish chamber 11 and the fuse 6 through the arrangement of the fuse 3 and the high-breaking vacuum arc extinguish chamber 11, the electric connection with the lower outgoing line 6 can achieve the single-breaking and single-closing or reclosing functions, the transmission precision is high, the breaking short-circuit current capacity is realized, and the vacuum arc extinguish chamber 11 can prevent the vacuum load isolating switch from burning to cause fire when the temperature of the load isolating switch is high.
The rated voltage of the operation panel 13 is 12kV, the rated frequency of the operation panel 13 is 50Hz, the rated peak withstand current of the fuse 6 is 63kA, the model of the isolating switch 2 is one of FZN25-12DG/T630-25 or FZN25-12DG/T1250-25, the model of the FZN25-12DG/T630-25 is 630A, the model of the FZN25-12DG/T1250-25 is 1250A, the model of the vacuum load isolating switch-fuse combined electrical apparatus is FZRN25-12DG/T200-31.5, the rated current of the vacuum load isolating switch-fuse combined electrical apparatus is 200A, the rated short-time withstand current of the isolating switch 2 and the vacuum load isolating switch-fuse combined electrical apparatus is 25kA, the rated short-circuit shut current of the isolating switch 2 is 63kA, the rated short-circuit on-off current of the vacuum load isolating switch-fuse combined electrical appliance is 80kA, the rated active load on-off current and the rated closed loop on-off current of the isolating switch 2 and the vacuum load isolating switch-fuse combined electrical appliance are 1250A, the on-off no-load transformer of the isolating switch 2 and the vacuum load isolating switch-fuse combined electrical appliance is 2000kVA, the ground fault current and the line and cable charging current under the ground fault condition of the isolating switch 2 and the vacuum load isolating switch-fuse combined electrical appliance are 20A, the rated short-circuit on-off current of the vacuum load isolating switch-fuse combined electrical appliance is 31.5/50kA, the rated cross-over current of the isolating switch 2 and the vacuum load isolating switch-fuse combined electrical appliance is 3150A, and the solid time of the isolating switch 2 and the vacuum load isolating switch-fuse combined electrical appliance is 45 ms.
When the high-temperature fuse is used, the upper outgoing line 1 sequentially penetrates through the vacuum arc extinguish chamber 11 and the fuse 6 and is electrically connected with the lower outgoing line 9, the fuse 6 can be fused by the soft connection device 4 at high temperature, so that the fuse 6 falls off, and the single-switch-on or reclosing function can be realized.
Claims (7)
1. Indoor high pressure vacuum load isolator, including insulator (3), isolator (2), go up outlet wire (1) and outlet wire (9) down, its characterized in that: the isolating switch (2) is fixedly arranged at the top of the insulating seat (3), the upper outgoing line (1) is connected to the top of the insulating seat (3), and the lower outgoing line (9) is arranged at the bottom of the insulating seat (3);
the vacuum arc-extinguishing chamber (11) is fixedly installed inside the insulating base (3), and the front face of the insulating base (3) is of a hollow structure.
2. The indoor high-voltage vacuum load isolating switch according to claim 1, characterized in that: the back fixed mounting of insulator seat (3) has metal crate (10), the positive middle part fixed mounting of metal crate (10) has spring mechanism (12), the right side fixed mounting of metal crate (10) has operating panel (13), the positive bottom fixed mounting of metal crate (10) has earthing switch (14).
3. The indoor high-voltage vacuum load isolating switch according to claim 2, characterized in that: the inside front fixed mounting of insulating seat (3) has last fuse to press from both sides (5), the front of going up fuse clamp (5) is connected with flexible coupling (4), the bottom of flexible coupling (4) is connected with fuse (6), the bottom fixed mounting of fuse (6) has lower fuse to press from both sides (7), the trip board (8) are installed to the bottom of insulating seat (3).
4. The indoor high-voltage vacuum load isolating switch according to claim 1, characterized in that: isolator (2) and operating panel (13) signal connection, go up outlet wire (1) and run through vacuum interrupter (11) and fuse (6) in proper order, and with lower outlet wire (9) electric connection.
5. The indoor high-voltage vacuum load isolating switch according to claim 3, characterized in that: the trip plate (8) is clamped with the bottom of the inner wall of the insulating seat (3).
6. The indoor high-voltage vacuum load isolating switch according to claim 3, characterized in that: the rated voltage of the operation panel (13) is 12kV, the rated frequency of the operation panel (13) is 50Hz, and the rated peak withstand current of the fuse (6) is 63 kA.
7. The indoor high-voltage vacuum load isolating switch according to claim 1, characterized in that: the type of the isolating switch (2) is one of FZN25-12DG/T630-25 or FZN25-12 DG/T1250-25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123084611.3U CN217214568U (en) | 2021-12-09 | 2021-12-09 | Indoor high-voltage vacuum load isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123084611.3U CN217214568U (en) | 2021-12-09 | 2021-12-09 | Indoor high-voltage vacuum load isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217214568U true CN217214568U (en) | 2022-08-16 |
Family
ID=82782918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123084611.3U Active CN217214568U (en) | 2021-12-09 | 2021-12-09 | Indoor high-voltage vacuum load isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217214568U (en) |
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2021
- 2021-12-09 CN CN202123084611.3U patent/CN217214568U/en active Active
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