CN214384809U - Closed looped netowrk cabinet of resistant high current impact - Google Patents
Closed looped netowrk cabinet of resistant high current impact Download PDFInfo
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- CN214384809U CN214384809U CN202120302878.6U CN202120302878U CN214384809U CN 214384809 U CN214384809 U CN 214384809U CN 202120302878 U CN202120302878 U CN 202120302878U CN 214384809 U CN214384809 U CN 214384809U
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- ring main
- side wall
- heat dissipation
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Abstract
The utility model relates to a closed looped netowrk cabinet of resistant high current impact, including the looped netowrk cabinet body, the left side wall and right side wall lower part one side of looped netowrk cabinet body all are equipped with the downward fish scale hole of opening, and fish scale hole and heat dissipation cavity intercommunication, radiator fan is installed to looped netowrk cabinet body roof, be equipped with a plurality of electric heating boards in the heat dissipation cavity, this internal input generating line that is equipped with of looped netowrk cabinet, input generating line one end is connected with the transformer low-voltage end, the input generating line other end even has directly links the generating line, it has the combination switch circuit breaker to link in proper order on the generating line, a current transformer and leading-out terminal, even has No. two current transformer and vacuum circuit breaker on a generating line among a plurality of generating lines. The utility model discloses a combination switch circuit breaker and vacuum circuit breaker cooperation work, breaking capacity is sensitive, and impact resistance is strong, and the protective capacities is strong, can realize the electroless operation. Furthermore, the utility model discloses when guaranteeing the leakproofness, the radiating effect is good, can guarantee the normal use of looped netowrk cabinet.
Description
Technical Field
The utility model relates to a power supply technical field especially relates to a closed looped netowrk cabinet of resistant high current impact.
Background
The ring main unit (RingMainUnit) is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like. The existing ring main unit needs to be operated in a live mode, and the sealing effect is poor, so that the operation safety is reduced. In addition, the existing ring main unit has poor heat dissipation effect and influences the use of the ring main unit.
Disclosure of Invention
The utility model discloses aim at solving prior art's not enough, and provide a closed looped netowrk cabinet of resistant high current impact.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a closed ring main unit resistant to high current impact comprises a ring main unit body, wherein communicated heat dissipation cavities are formed in the left side wall, the top wall, the right side wall and the rear side wall of the ring main unit body, fish scale holes with downward openings are formed in one side of the lower portion of the left side wall and the lower portion of the right side wall of the ring main unit body and communicated with the heat dissipation cavities, a heat dissipation fan is installed on the top wall of the ring main unit body and used for discharging hot gas in the heat dissipation cavities, a switch door is installed on the front side of the ring main unit body, a switch lock is installed on the switch door, sealing grooves are formed in the upper side wall, the lower side wall, the left side wall and the right side wall of the switch door, sealing strips are installed in the sealing grooves, a plurality of supporting legs with adjustable heights are installed at the bottom of the ring main unit body, a plurality of electric heating plates are arranged in the heat dissipation cavities, an input bus is arranged in the ring main unit body, a master switch is installed on the input bus, and one end of the input bus is connected with the low voltage end of a transformer, the other end of the input bus is connected with a direct-connection bus, the direct-connection bus is directly connected with a plurality of sub-buses, the sub-buses are sequentially connected with a compound switch circuit breaker, a first current transformer and a wire outlet terminal, an electrified display is installed between the first current transformer and the wire outlet terminal, one of the sub-buses is connected with a second current transformer and a vacuum circuit breaker, the second current transformer is installed on the sub-bus located between the first current transformer and the wire outlet terminal, and the vacuum circuit breaker is installed on the sub-bus located between the compound switch circuit breaker and the first current transformer.
The number of electric heating board is 2, and installs respectively on the left side wall and the right side wall of looped netowrk cabinet body.
The landing leg is including having the internal screw thread vertical regulation section of thick bamboo, adjusts a section of thick bamboo upper end and looped netowrk cabinet body diapire fixed connection, adjusts a section of thick bamboo threaded connection and has the threaded rod, and the threaded rod lower extreme even has the base, and is equipped with a plurality of screw holes that are used for fixing on the base.
And a fuse is arranged at one end of the input bus connected with the transformer.
The input bus is also provided with a charged display.
And the input bus is provided with a lightning arrester.
The temperature and humidity controller is electrically connected with the input bus, a temperature sensor and a humidity sensor are integrated on the temperature and humidity controller, and the cooling fan and the electric heating plate are electrically connected with the temperature and humidity controller.
The utility model has the advantages that: the utility model discloses a combination switch circuit breaker and vacuum circuit breaker cooperation work, breaking capacity is sensitive, and impact resistance is strong, and the protective capacities is strong, can realize the electroless operation. Furthermore, the utility model discloses when guaranteeing the leakproofness, the radiating effect is good, can guarantee the normal use of looped netowrk cabinet.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the electric heating plate and the ring main unit;
FIG. 3 is a schematic view of the connection of the sealing strip to the opening and closing door;
fig. 4 is a circuit diagram of the present invention;
FIG. 5 is a schematic structural diagram of a temperature and humidity controller;
FIG. 6 is an enlarged view of A in FIG. 1;
in the figure: 1-ring main unit body; 2-heat dissipation cavity; 3, opening and closing the door; 4-locking and unlocking; 5-fish scale holes; 6-a heat dissipation fan; 7-sealing strips; 8-a support leg; 81-adjusting cylinder; 82-threaded rod; 83-a base; 84-a threaded hole; 9-input bus; 10-direct connection bus; 11-branch bus; 12-a compound switch breaker; 13-current transformer number one; 14-outlet terminals; 15-main switch; 16-current transformer II; 17-a charged display; 18-a vacuum interrupter; 19-a fuse; 20-a lightning arrester; 21-a temperature and humidity controller; 22-an electrical heating plate;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in FIGS. 1 to 6, a closed ring main unit with high current impact resistance comprises a ring main unit body 1, a heat dissipation cavity 2 is arranged on the left side wall, the top wall, the right side wall and the rear side wall of the ring main unit body 1, a fish scale hole 5 with a downward opening is arranged on each of the lower sides of the left side wall and the right side wall of the ring main unit body 1, the fish scale hole 5 is communicated with the heat dissipation cavity 2, a heat dissipation fan 6 is arranged on the top wall of the ring main unit body 1, the heat dissipation fan 6 is used for discharging hot gas in the heat dissipation cavity 2, a switch door 3 is arranged on the front side of the ring main unit body 1, a switch lock 4 is arranged on the switch door 3, sealing grooves are arranged on the upper side wall, the lower side wall, the left side wall and the right side wall of the switch door 3, sealing strips 7 are arranged in the sealing grooves, a plurality of supporting legs 8 with adjustable height are arranged at the bottom of the ring main unit body 1, a plurality of electric heating plates 22 are arranged in the heat dissipation cavity 2, be equipped with input bus 9 in the looped netowrk cabinet body 1, install master switch 15 on the input bus 9, input bus 9 one end is connected with transformer low-voltage end, the input bus 9 other end even has direct connecting bus 10, direct connecting has a plurality of branch generating lines 11 on the generating line 10, branch generating line 11 is last to have connected blend switch circuit breaker 12 in proper order, a current transformer 13 and leading-out terminal 14, and install electrified display 17 between a current transformer 13 and the leading-out terminal 14, even have No. two current transformer 16 and vacuum circuit breaker 18 on a branch generating line 11 among a plurality of branch generating lines 11, and No. two current transformer 16 installs on being located the branch generating line 11 between a current transformer 13 and the leading-out terminal 14, vacuum circuit breaker 18 installs on being located the branch generating line 11 between blend switch circuit breaker 12 and a current transformer 13.
The number of the electric heating plates 22 is 2, and the electric heating plates are respectively installed on the left side wall and the right side wall of the ring main unit body 1.
A fuse 19 is installed at one end of the input bus 9 connected to the transformer.
An electrified display 17 is also arranged on the input bus 9, so that the staff can obtain the information whether the input bus 9 is electrified or not.
The input bus 9 is provided with a lightning arrester 20.
The cooling device further comprises a temperature and humidity controller 21 electrically connected with the input bus 9, a temperature sensor and a humidity sensor are integrated on the temperature and humidity controller 21, and the cooling fan 6 and the electric heating plate 22 are electrically connected with the temperature and humidity controller 21.
The utility model discloses the during operation will earlier the utility model discloses a master switch 15, blend switch circuit breaker 12 and vacuum circuit breaker 18 are closed, again to the utility model discloses the power supply, promptly the utility model discloses can realize earlier closing a floodgate back power supply, blend switch circuit breaker 12 and the 18 cooperation works of vacuum circuit breaker, and the breaking capacity is sensitive, and shock-resistant ability is strong, and the protective capacities is strong, can realize electroless operation. Furthermore, sealing strip 7 on switch door 3 has improved the utility model discloses a leakproofness, fish scale hole 5 has not further improved with 1 inner chamber intercommunication of looped netowrk cabinet body the utility model discloses a leakproofness, radiator fan 6 work, in the air enters into heat dissipation cavity 2 from fish scale hole 5, through radiator fan 6 discharges again, can effectively reduce the utility model discloses a temperature, the utility model discloses when guaranteeing the leakproofness, the radiating effect is good, can guarantee the normal use of looped netowrk cabinet.
In addition, electric heating plate 22 work is favorable to reducing the utility model discloses a humidity guarantees the utility model discloses an each components and parts normally work.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. A closed ring main unit resistant to high current impact comprises a ring main unit body (1) and is characterized in that a communicated heat dissipation cavity (2) is arranged on the left side wall, the top wall, the right side wall and the rear side wall of the ring main unit body (1), fish scale holes (5) with downward openings are formed in the lower portions of the left side wall and the right side wall of the ring main unit body (1), the fish scale holes (5) are communicated with the heat dissipation cavity (2), a heat dissipation fan (6) is installed on the top wall of the ring main unit body (1), the heat dissipation fan (6) is used for discharging hot gas in the heat dissipation cavity (2), a switch door (3) is installed on the front side of the ring main unit body (1), a switch lock (4) is installed on the switch door (3), sealing grooves are formed in the upper side wall, the lower side wall, the left side wall and the right side wall of the switch door (3), sealing strips (7) are installed in the sealing grooves, a plurality of supporting legs (8) with adjustable heights are installed at the bottom of the ring main unit body (1), a plurality of electric heating plates (22) are arranged in the heat dissipation cavity (2), an input bus (9) is arranged in the ring main unit body (1), a main switch (15) is installed on the input bus (9), one end of the input bus (9) is connected with the low-voltage end of the transformer, the other end of the input bus (9) is connected with a direct-connected bus (10), a plurality of branch buses (11) are directly connected onto the direct-connected bus (10), a composite switch breaker (12), a first current transformer (13) and a lead-out terminal (14) are sequentially connected onto the branch buses (11), an electrified display (17) is installed between the first current transformer (13) and the lead-out terminal (14), a second current transformer (16) and a vacuum breaker (18) are connected onto one branch bus (11) of the plurality of branch buses (11), and the second current transformer (16) is installed on the branch bus (11) between the first current transformer (13) and the lead-out terminal (14), the vacuum circuit breaker (18) is installed on a branch bus (11) between the compound switch circuit breaker (12) and a first current transformer (13).
2. The closed ring main unit with high current impact resistance as claimed in claim 1, wherein the number of the electric heating plates (22) is 2, and the electric heating plates are respectively installed on the left side wall and the right side wall of the ring main unit body (1).
3. The closed ring main unit with high current impact resistance according to claim 1, wherein the supporting leg (8) comprises a vertical adjusting cylinder (81) with internal threads, the upper end of the adjusting cylinder (81) is fixedly connected with the bottom wall of the ring main unit body (1), the adjusting cylinder (81) is in threaded connection with a threaded rod (82), the lower end of the threaded rod (82) is connected with a base (83), and the base (83) is provided with a plurality of threaded holes (84) for fixing.
4. The closed ring main unit with high current surge resistance as claimed in claim 1, wherein the fuse (19) is installed at one end of the input bus (9) connected with the transformer.
5. The closed ring main unit with high current impact resistance as claimed in claim 4, wherein the input bus (9) is also provided with a live display (17).
6. The closed ring main unit with high current impact resistance as claimed in claim 5, wherein the input bus (9) is provided with a lightning arrester (20).
7. The closed ring main unit capable of resisting high current impact according to claim 1, further comprising a temperature and humidity controller (21) electrically connected with the input bus (9), wherein a temperature sensor and a humidity sensor are integrated on the temperature and humidity controller (21), and the heat dissipation fan (6) and the electric heating plate (22) are electrically connected with the temperature and humidity controller (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302878.6U CN214384809U (en) | 2021-02-03 | 2021-02-03 | Closed looped netowrk cabinet of resistant high current impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302878.6U CN214384809U (en) | 2021-02-03 | 2021-02-03 | Closed looped netowrk cabinet of resistant high current impact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214384809U true CN214384809U (en) | 2021-10-12 |
Family
ID=77992122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120302878.6U Active CN214384809U (en) | 2021-02-03 | 2021-02-03 | Closed looped netowrk cabinet of resistant high current impact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214384809U (en) |
-
2021
- 2021-02-03 CN CN202120302878.6U patent/CN214384809U/en active Active
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