CN209860816U - Flexible arc-extinguishing inverter cabinet - Google Patents
Flexible arc-extinguishing inverter cabinet Download PDFInfo
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- CN209860816U CN209860816U CN201921150203.3U CN201921150203U CN209860816U CN 209860816 U CN209860816 U CN 209860816U CN 201921150203 U CN201921150203 U CN 201921150203U CN 209860816 U CN209860816 U CN 209860816U
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- cabinet body
- cabinet
- inverter
- flexible arc
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- 230000008033 biological extinction Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 23
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 7
- 230000001629 suppression Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a flexible arc extinction dc-to-ac converter cabinet, including the cabinet body with install at internal contravariant unit of cabinet, rectification unit and the control unit, the preceding of the cabinet body, rear side all are provided with opens the door, contravariant unit and rectification unit adopt the mode of dorsad to install in the internal top of cabinet, the control unit is installed at the internal middle part of cabinet, the internal front side top of cabinet can be dismantled and be provided with preceding shrouding of going up, the shrouding under the below can be dismantled and be provided with before, the internal rear side of cabinet can be dismantled and be provided with the back shrouding, be provided with the device handle. The utility model discloses with rectification unit, contravariant unit and the control unit integration in a cabinet body, cabinet body occupation space is little, has reduced holistic installation work load, can realize whole transportation, has improved the convenience of transportation.
Description
Technical Field
The utility model belongs to the technical field of the dc-to-ac converter cabinet, concretely relates to flexible arc extinction dc-to-ac converter cabinet.
Background
At present, in a 6 ~ 35kV power distribution network in China, a low-current grounding mode is mostly adopted, the power distribution network can continuously run for 1-2 hours when a single-phase grounding fault occurs, but grounding point current cannot be compensated to be zero, and great harm is often brought.
Its arc extinction controlling means of present traditional arc suppression coil and power module separately arrange, and the volume is great, and the wiring is more complicated, and it is inconvenient to maintain and overhaul, can only compensate idle residual current moreover, can not the complete arc extinction. And such design has following not enough, separately arranges that can't wholly transport in the transportation, and installation work volume increases, and equipment size is great to it is high to overhaul the maintenance degree of difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flexible arc extinction dc-to-ac converter cabinet to solve its problem that the maintenance degree of difficulty is high.
The utility model discloses a flexible arc extinction inverter cabinet realizes like this:
the utility model provides a flexible arc extinction dc-to-ac converter cabinet, includes the cabinet body and installs internal contravariant unit, rectification unit and the control unit of cabinet, preceding, the rear side of the cabinet body all are provided with opens the door, contravariant unit and rectification unit adopt the mode of facing back to be installed internal top of cabinet, the control unit is installed internal middle part of cabinet, the internal front side top of cabinet can be dismantled and be provided with preceding shrouding of going up, and the below can be dismantled and be provided with preceding shrouding down, the internal rear side of cabinet can be dismantled and be provided with the back shrouding, be provided with the device handle hole on the shrouding under in the front.
Furthermore, the door that opens of cabinet body front side is single division qianmen, the door that opens of cabinet body rear side is two divisions back door.
Furthermore, a pair of radiators is arranged between the inversion unit and the rectification unit, wherein one radiator is connected with the inversion unit, and the other radiator is connected with the rectification unit.
Furthermore, fans are respectively arranged at the tops of the inversion unit and the rectification unit; wherein,
the fan that is located contravariant unit top links to each other with the air outlet at contravariant unit, the radiator that links to each other with the contravariant unit and cabinet body top through the wind channel respectively, and the fan that is located rectification unit top links to each other with the air outlet at rectification unit, the radiator that links to each other with the rectification unit and cabinet body top through the wind channel respectively.
Furthermore, the inversion unit is arranged on the front side of the rectification unit, and a main loop between the inversion unit and the rectification unit is connected through a cable.
Furthermore, the lower part of the front lower sealing plate and the lower part of the rear sealing plate are provided with heat dissipation holes.
Furthermore, the front upper sealing plate and the front lower sealing plate are respectively fixed on the inner wall of the cabinet body through screws.
Furthermore, the rear sealing plate is installed on the cabinet body through a turning plate lock.
Further, rings are installed at four corners of the top of the cabinet body.
Furthermore, the bottom of the cabinet body is provided with forklift holes in the front-back direction.
After the technical scheme is adopted, the utility model discloses the beneficial effect who has does:
(1) the utility model integrates the rectification unit, the inversion unit and the control unit into a cabinet body, so that the cabinet body occupies a small space, the whole installation workload is reduced, the whole transportation can be realized, and the convenience of the transportation is improved;
(2) in the utility model, the rectifying unit and the inversion unit are designed back to back, and the front side and the rear side of the cabinet body are provided with the door, so that the bidirectional maintenance of the rectifying unit and the inversion unit can be realized, and the convenience of later maintenance is improved;
(3) the utility model discloses owing to all be provided with the shrouding in the front and back side of the cabinet body, be provided with the handle hole on the shrouding, can separate with electrified part when the staff carries out electrified maintenance operation, increase the security of equipment operation.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a structural diagram of a flexible arc suppression inverter cabinet according to a preferred embodiment of the present invention;
fig. 2 is a structural diagram of a flexible arc suppression inverter cabinet according to a preferred embodiment of the present invention;
fig. 3 is a partial internal installation view of a flexible arc suppression inverter cabinet according to a preferred embodiment of the present invention;
fig. 4 is a heat dissipation structure diagram of the inversion unit and the rectification unit of the flexible arc suppression inverter cabinet according to the preferred embodiment of the present invention;
fig. 5 is a structural diagram of an inverter unit and a rectifier unit of the flexible arc suppression inverter cabinet according to the preferred embodiment of the present invention;
in the figure: the cabinet body 1, contravariant unit 2, rectification unit 3, the control unit 4, preceding shrouding 5 is gone up, preceding shrouding 6 down, back shrouding 7, device handle hole 8, single division qianmen 9, two back doors 10 that open, radiator 11, fan 12, wind channel 13, air-out board 14, copper bar 15, louvre 16 turns over board lock 17, dodges hole 18, rings 19, fork truck hole 20, dodges a hole 21, handle 22, heat dissipation through-hole 23.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, a flexible arc extinction inverter cabinet, including the cabinet body 1 with install the contravariant unit 2 in the cabinet body 1, rectification unit 3 and the control unit 4, the cabinet body 1 preceding, the rear side all is provided with opens the door, contravariant unit 2 and rectification unit 3 adopt the mode of facing back to install the top in the cabinet body 1, the control unit 4 installs the middle part in the cabinet body 1, the preceding shrouding 5 of going up can be dismantled and be provided with in the cabinet body 1 front side top, shrouding 6 under the below can be dismantled and be provided with in the front, shrouding 7 after can be dismantled and be provided with in the rear side of the cabinet body 1, be provided with device handle hole 8 under the.
Specifically, the device operation hole 8 includes two parts, one is an operation hole for operating the circuit breaker, and the other is an operation hole convenient for operating the air switch, and since the circuit breaker is disposed on both sides, the operation hole for operating the circuit breaker is disposed on both sides of the operation hole of the air switch, and the device operation hole 8 can expose the circuit breaker and the air switch, thereby facilitating the operation thereof.
The structure that opens the door around the cabinet body 1 adopts can conveniently carry out two-way maintenance to inverter unit 2 and rectifier unit 3, increases the convenience of maintaining, if whole adoption singly open the door structure, the preceding, the great space of opening the door of back needs of the cabinet body 1, consequently in order to save the space of opening the door of the 1 rear side of the cabinet body, the opening door of the 1 front side of the cabinet body is singly opened qianmen 9, the opening door of the 1 rear side of the cabinet body is for two backdoors 10 that open.
Referring to fig. 3-5, since the inverter unit 2 and the rectifier unit 3 generate a large amount of heat during operation, and the inverter unit 2 and the rectifier unit 3 are damaged when the temperature is too high, a pair of radiators 11 is disposed between the inverter unit 2 and the rectifier unit 3 to ensure heat dissipation of the inverter unit 2 and the rectifier unit 3, wherein one radiator 11 is connected to the inverter unit 2, and the other radiator 11 is connected to the rectifier unit 3.
Specifically, the heat sink 11 is made of an aluminum block, and the aluminum block is made into a form in which a plurality of rows of fins are arranged side by side, so that the heat dissipation effect can be improved.
In order to discharge the heat generated by the inversion unit 2 and the rectification unit 3 out of the cabinet body, the tops of the inversion unit 2 and the rectification unit 3 are respectively provided with a fan 12; wherein,
the fan 12 located above the inversion unit 2 is respectively connected with the inversion unit 2 through the air duct 13, the radiator 11 connected with the inversion unit 2 and the air outlet at the top of the cabinet body 1, and the fan 12 located above the rectification unit 3 is respectively connected with the rectification unit 3 through the air duct 13, the radiator 11 connected with the rectification unit 3 and the air outlet at the top of the cabinet body 1.
The air duct 13 in a sealed form can directly discharge heat out of the cabinet body 1, so that the heat dissipation effect is improved, and the heat dissipation efficiency is improved.
Preferably, the air duct 13 adopts a sheet metal air duct, so that the air duct is convenient to disassemble and assemble, and the height of the air duct can be adjusted as required.
In addition, the air outlet at the top of the cabinet body 1 adopts the air outlet plate 14 with holes, so that heat can be conveniently discharged out of the cabinet body 1.
Preferably, in order to increase the heat dissipation effect of the inverter unit 2 and the rectifier unit 3, heat dissipation through holes 23 are provided at the tops of the inverter unit 2 and the rectifier unit 3.
In order to facilitate wiring in the cabinet, the inverter unit 2 is arranged on the front side of the rectifier unit 3, and a main loop between the inverter unit and the rectifier unit is connected by a cable.
Specifically, the front-stage AC/DC rectifying circuit is three-phase alternating current and 1 three-phase module is arranged; the rear-stage DC/AC inverter circuit is a single-phase cross current side, and a single-phase module is arranged; the front-stage AC/DC rectifying unit and the rear-stage DC/AC inverting unit are arranged in a back-to-back mode, the direct current side is connected through a cable, the front-stage three-phase module main loop is arranged close to a rear door, the rear-stage single-phase module main loop is arranged close to a front door, copper bars 15 are arranged on the line inlet and outlet sides of the front-stage main loop and the rear-stage main loop, and the copper bars 15 are connected with the line inlet and outlet copper bars of the reactor through cables. The top at the internal 1 of cabinet is installed to contravariant unit 2 and rectification unit 3, and control unit 4 then installs the middle part at the cabinet body 1, equipment such as voltage transformer is installed to control unit 4's top, protection devices such as air switch, circuit breaker are installed to control unit 4's below, then the reactor is installed to the bottommost in the cabinet body 1, and the reactor also can produce the heat at the during operation, in order to discharge the heat that the reactor produced, the lower part of shrouding 6 and the lower part of back shrouding 7 all are provided with louvre 16 under preceding.
Specifically, the front lower sealing plate 6 includes two portions, an upper portion for sealing the mounting position of the protection device, and a lower portion for sealing the reactor portion.
Correspondingly, the lower part of the single-opening front door 9 and the lower part of the double-opening rear door 10 are provided with the same heat dissipation holes 16, so that heat generated by the operation of the reactor can be conveniently discharged out of the cabinet.
In order to facilitate the installation of the front side sealing plate, the front upper sealing plate 5 and the front lower sealing plate 6 are respectively fixed on the inner wall of the cabinet body 1 through screws.
Specifically, be provided with the mounting bar on the front side vertical beam of the cabinet body 1, preceding shrouding 5 and preceding shrouding 6 down are then through the mounting screw on the mounting bar, make things convenient for dismouting and change.
In order to facilitate the assembly and disassembly of the rear sealing plate 7, the rear sealing plate 7 is installed on the cabinet body 1 through a plate turning lock 17.
Specifically, the flap lock 17 is disposed above the rear sealing plate 7, so as to fix the rear sealing plate 17 to the top of the cabinet 1.
The flap lock 17 is a common flap lock 17 on the distribution box.
Preferably, since the double-opening rear door 10 is located at the middle position of the rear side of the cabinet body at the door lock when closed, in order to prevent the closing plate from affecting the position of the door lock, the back closing plate 7 is provided with a door lock avoiding hole 18.
Preferably, because the back door is provided with the button and the indicator light, and the button and the indicator light are installed in an embedded mode, in order to avoid the protruding wiring terminal behind the button and the indicator light, the front upper sealing plate is provided with an avoiding bar hole 21.
In addition, in order to facilitate the attachment and detachment of the sealing plates, the front upper sealing plate 5 and the rear sealing plate 7 are respectively provided with a handle 22.
In order to facilitate the movement of the cabinet body 1, hanging rings 19 are installed at four corners of the top of the cabinet body 1.
In order to facilitate the transportation of the cabinet 1, the bottom of the cabinet 1 is provided with a forklift hole 20 in the front-rear direction.
When operating the inverter cabinet, only need to open single-open front door 9, operate through device handle hole 8 can, can utilize the shrouding to keep apart the operator with other live-line equipment in the cabinet this moment, increase the security of operation. And go up shrouding 5, preceding shrouding 6 or back shrouding 7 down on can dismantling selectively when inside structure goes wrong, realize the maintenance of pertinence and overhaul, need not to expose whole equipment inside the cabinet body 1, increase the convenience of maintaining and overhauling.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a flexible arc extinction inverter cabinet, its characterized in that includes the cabinet body (1) and installs contravariant unit (2), rectification unit (3) and the control unit (4) in the cabinet body (1), preceding, the rear side of the cabinet body (1) all is provided with opens the door, contravariant unit (2) and rectification unit (3) adopt the mode of facing back to install top in the cabinet body (1), the control unit (4) are installed middle part in the cabinet body (1), preceding top of front side can be dismantled in the cabinet body (1) and be provided with preceding shrouding (5), and shrouding (6) under can dismantling and be provided with before the below, rear side in the cabinet body (1) can be dismantled and be provided with back shrouding (7), be provided with device handle hole (8) on preceding shrouding (6) down.
2. A flexible arc extinction inverter cabinet according to claim 1, characterized in that the door opening on the front side of the cabinet body (1) is a single-opening front door (9), and the door opening on the rear side of the cabinet body (1) is a double-opening rear door (10).
3. A flexible arc extinction inverter cabinet according to claim 1, characterized in that a pair of radiators (11) is arranged between the inverter unit (2) and the rectifier unit (3), one radiator (11) being connected to the inverter unit (2) and the other radiator (11) being connected to the rectifier unit (3).
4. A flexible arc extinction inverter cabinet according to claim 3, characterized in that the top of the inverter unit (2) and the top of the rectifier unit (3) are respectively provided with a fan (12); wherein,
the fan (12) above the inversion unit (2) is connected with the inversion unit (2), the radiator (11) connected with the inversion unit (2) and the air outlet at the top of the cabinet body (1) through the air ducts (13), and the fan (12) above the rectification unit (3) is connected with the rectification unit (3), the radiator (11) connected with the rectification unit (3) and the air outlet at the top of the cabinet body (1) through the air ducts (13).
5. A flexible arc extinction inverter cabinet according to claim 1, characterized in that the inverter unit (2) is arranged at the front side of the rectifier unit (3), and the main loop between the two is connected by a cable.
6. A flexible arc extinction inverter cabinet according to claim 1, wherein the lower portion of the front lower sealing plate (6) and the lower portion of the rear sealing plate (7) are provided with heat dissipation holes (16).
7. A flexible arc-extinguishing inverter cabinet according to claim 1, characterized in that the front upper sealing plate (5) and the front lower sealing plate (6) are fixed to the inner wall of the cabinet body (1) by screws, respectively.
8. A flexible arc extinction inverter cabinet according to claim 1, characterized in that said rear closing plate (7) is mounted on said cabinet body (1) by means of a flap lock (17).
9. A flexible arc-extinguishing inverter cabinet according to claim 1, characterized in that hanging rings (19) are installed at four corners of the top of the cabinet body (1).
10. A flexible arc extinction inverter cabinet according to claim 1, characterized in that a forklift hole (20) in a front-rear direction is provided at the bottom of the cabinet body (1).
Priority Applications (1)
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CN201921150203.3U CN209860816U (en) | 2019-07-19 | 2019-07-19 | Flexible arc-extinguishing inverter cabinet |
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CN201921150203.3U CN209860816U (en) | 2019-07-19 | 2019-07-19 | Flexible arc-extinguishing inverter cabinet |
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CN209860816U true CN209860816U (en) | 2019-12-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111404398A (en) * | 2020-03-16 | 2020-07-10 | 许继电源有限公司 | Energy storage converter cabinet and energy storage system |
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2019
- 2019-07-19 CN CN201921150203.3U patent/CN209860816U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111404398A (en) * | 2020-03-16 | 2020-07-10 | 许继电源有限公司 | Energy storage converter cabinet and energy storage system |
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