CN217934670U - Switching cabinet of indoor high-voltage reactive power compensation device - Google Patents
Switching cabinet of indoor high-voltage reactive power compensation device Download PDFInfo
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- CN217934670U CN217934670U CN202222030469.2U CN202222030469U CN217934670U CN 217934670 U CN217934670 U CN 217934670U CN 202222030469 U CN202222030469 U CN 202222030469U CN 217934670 U CN217934670 U CN 217934670U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses an indoor high-voltage reactive power compensation device switching cabinet, which comprises a cabinet body, wherein an instrument and a control part are hung on the inner wall of a primary door positioned at the upper part of the cabinet body, a secondary door positioned at the upper part of the cabinet body is provided with a comprehensive protection device, and the instrument, the control part and the comprehensive protection device are separated from a primary strong current part inside the cabinet body by adopting a cold plate; an upper observation window and a lower observation window are arranged on a second main door positioned at the lower part of the cabinet body, and an electrified display and an illumination lamp in the cabinet are arranged at the same time; the lower part of the second main door and the upper part of the rear plate of the cabinet body are respectively and uniformly provided with a plurality of fish scale heat dissipation holes; a manual operating mechanism is arranged on the secondary door II positioned at the lower part of the cabinet body. The utility model discloses integrated control system and protection system on the cabinet body of switching cabinet, both reduced on-the-spot occupation of land space, improved security, the reliability of equipment, the effectual equipment that has reduced constitutes the cost again, has improved the environment application range of product.
Description
Technical Field
The utility model relates to a reactive power compensator technical field, more specifically say, relate to an indoor high-pressure reactive power compensator switching cabinet.
Background
Reactive compensation devices are required to be arranged at places where low-voltage transformers are installed and beside large-scale electric equipment, which is the regulation of the national power department, and particularly, the reactive compensation devices must be installed in industrial mines, enterprises and residential areas with lower power factors. Large asynchronous motors, transformers, electric welding machines, punching machines, lathe groups, air compressors, press machines, cranes, smelting, steel rolling, aluminum rolling, large switches, electric filling equipment, electric locomotives and the like.
The additional installation of the reactive power compensation device is an effective measure for improving the power supply condition and improving the electric energy utilization rate. The reactive power compensation device ensures the economic and safe operation and the electric energy quality of the power grid, and if the reactive power compensation device is abnormal, the quality of the power grid can be reduced, and the power grid can be collapsed in severe cases to cause large-area power failure. Therefore, the reactive power compensation device plays an important role in improving the voltage of the power grid and improving the economic and reliable operation level, and the reasonable reactive power compensation device can exert the efficiency of the power supply system to the maximum extent, reduce the line loss and enable the power grid to operate to achieve the best economic benefit.
With the rapid development and progress of China, various industries in China are also rapidly expanded and developed, and the electrical equipment matched with the production of the electrical equipment is also continuously updated and expanded. The reserved design of places or equipment in the early stage of some manufacturers cannot meet the current production requirements, for example, the sufficient number of switch cabinets and the reasonable placement space of reactive compensation equipment are not considered in the early stage. The production has low power utilization efficiency and higher economic cost, and causes damage to the power grid and equipment thereof. And redesigning the whole set of power distribution system has high economic cost, wastes time and labor and has great influence on normal production.
Therefore, it is necessary to provide an indoor high-voltage reactive power compensation device switching cabinet, effectively reduce the user cost investment, reduce the occupied space of the on-site equipment, provide a control and protection device, and improve the safety and reliability of the equipment, so as to better solve the above problems in various industries.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an indoor high pressure reactive power compensator switching cabinet, its concrete technical scheme as follows:
an indoor high-voltage reactive power compensation device switching cabinet comprises a cabinet body, wherein a front door of the cabinet body is divided into an upper part and a lower part, and the upper part and the lower part are in asymmetric primary-secondary split-door structures;
an instrument and a control part are hung on the inner wall of the mother door positioned at the upper part of the cabinet body, the instrument and the control part are separated from a primary strong current part in the cabinet body by adopting a cold plate, the instrument and the control part comprise a front cabinet operation and indication part and a control part, the front cabinet operation and indication part comprises electronic components such as an operation button, an indicator lamp and an indicator meter, and the control part comprises a wiring terminal and a reactive compensation controller; the front ends of the cabinet front operation and indication part and the control chamber part are exposed out of corresponding different through holes on the first main door so as to carry out operation, indication and control;
a comprehensive protection device is arranged on a first sub-door positioned at the upper part of the cabinet body, and the comprehensive protection device is also separated from a primary strong current part in the cabinet body by adopting a cold plate;
an upper observation window and a lower observation window are arranged on a second main door positioned at the lower part of the cabinet body, and are simultaneously provided with an electrified display and an illumination lamp in the cabinet, and the lower observation window corresponds to a vacuum circuit breaker arranged below the inner part of the cabinet body; a plurality of fish scale heat dissipation holes are uniformly formed in the lower portion of the second main door; a plurality of fish scale heat dissipation holes are uniformly arranged at the upper part of the rear plate of the cabinet body;
and a second sub-door positioned at the lower part of the cabinet body is not provided with a door shaft and is directly fixed by screws, and a manual operation mechanism is arranged on the second sub-door.
The utility model discloses equipment is applicable to 10kV reactive compensation field, and is less to user switch cabinet quantity, and on-the-spot reservation equipment space is limited, and the great condition development of required reactive compensation quantity. Compare split type design in switching cabinet and controlling means among the prior art, the utility model discloses integrated control system and protection system on the cabinet body of switching cabinet, both reduced on-the-spot occupation of land space, improved security, the reliability of equipment, the effectual equipment component cost that has reduced again has improved the environment application range of product.
Preferably, the cabinet body is made of a Q235 cold plate; the thickness of the cabinet framework is 2.5mm, the thickness of the front door panel is 2.0mm, and the thickness of the other panels is 1.5mm.
Preferably, the IP protection of the cabinet body can reach IP30 at most, and the surface treatment adopts electrostatic spraying.
Preferably, the inner wall of the first female door is additionally provided with a reinforcing rib meeting the external hanging weight requirement of the instrument and control part.
Preferably, the position, corresponding to the fish scale heat dissipation holes, of the inner wall of the cabinet body is covered with a stainless steel wire mesh in a spot welding mode. The stainless steel wire mesh can play the effect of dustproof protection to devices such as the internal core switch of cabinet, the indirect range of application that has improved the product.
Preferably, the mesh size of the stainless steel mesh is 1 x 1mm.
Preferably, the cold plate is 1.5mm thick sheet metal.
Preferably, the internal portion of cabinet is a strong current equipment part, and the cabinet top is the equipment inlet wire, is the equipment outlet wire behind the cabinet, and its holistic major loop business turn over line mode is: the device comprises a cabinet top bus bar, an incoming line side arrester, a live sensor, an isolating switch, a vacuum circuit breaker, a current transformer, an equipment side arrester and an outgoing line and a discharge line of equipment behind a cabinet.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is the main structural layout schematic diagram of the cabinet front door panel provided by the utility model.
Fig. 2 is a schematic structural diagram of connection between typical main components inside the cabinet body provided by the present invention.
In the figure: 1-cabinet body, 2-first mother door, 3-front cabinet operation and indication part, 4-control chamber part, 5-first child door, 6-comprehensive protection device, 7-second mother door, 8-upper observation window, 9-lower observation window, 10-live display, 11-lighting lamp in cabinet, 12-fish scale heat dissipation hole, 13-second child door, 14-manual operation mechanism, 15-bus bar on cabinet top, 16-lightning arrester on incoming line side, 17-isolating switch, 18-vacuum circuit breaker, 19-current transformer and 20-lightning arrester on equipment side.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example (b):
as shown in fig. 1, the utility model relates to an indoor high-voltage reactive power compensator switching cabinet, including the cabinet body 1, two parts about the qianmen of the cabinet body 1 divides, and upper portion and lower part are asymmetric primary and secondary and open the structure of opening the door.
An instrument and a control part are hung on the inner wall of a first bus door 2 positioned at the upper part of a cabinet body 1, the instrument and the control part are separated from a primary strong current part in the cabinet body 1 by adopting a cold plate, the instrument and the control part comprise a front cabinet operation and indication part 3 and a control chamber part 4, the front cabinet operation and indication part 3 comprises electronic components such as an operation button, an indicator lamp and an indicator meter, the electronic components mainly comprise a current indication part, an operation knob, a fault indication part and a switching indication part, the control chamber part 4 comprises a wiring terminal and a reactive compensation controller, and the reactive compensation controller is switched in an automatic or manual mode for each branch of reactive compensation; the front ends of the cabinet front operation and indication part 3 and the control chamber part 4 are exposed out of corresponding different through holes on the primary door 2 for operation, indication and control.
A comprehensive protection device 6 is arranged on a first sub-door 5 positioned at the upper part of the cabinet body 1, and the comprehensive protection device 6 is also separated from a primary strong current part in the cabinet body 1 by adopting a cold plate.
The cold plate mentioned above is a 1.5mm thick sheet metal.
The operation and indication part 3, the control chamber part 4 and the comprehensive protection device 6 in front of the cabinet ensure the self-tightness, and terminals, electric elements, wire grooves and other specified positions and openings are reserved in the closed space. And 4# angle steel, 5# angle steel and 6.3# channel steel are adopted for fixing other components for processing.
The utility model discloses concentrate electric components such as reactive compensation controller, integrated protection device 6, binding post, operation knob, pilot lamp, instruction table and place 1 upper portion of the cabinet body to adopt a forceful electric power part of cold plate and the internal portion of cabinet to separate, both satisfied dustproof protection, satisfied strong and weak galvanic separation again, need not add control, protection box alone simultaneously again. Therefore, the utility model discloses integrated control system and protection system, both reduced on-the-spot occupation of land space, improved security, the reliability of equipment, the effectual equipment composition cost that has reduced again has improved the environment application range of product.
An upper observation window 8 and a lower observation window 9 are arranged on a second main door 7 positioned at the lower part of the cabinet body 1, an electrified display 10 and an in-cabinet illuminating lamp 11 are simultaneously installed, and the lower observation window 9 corresponds to a vacuum circuit breaker 18 at the lower part inside the cabinet body 1. The live display 10 indicates the live condition inside the cabinet body 1, and the lighting lamp 11 and the two observation windows in the cabinet are used for observing the equipment in the cabinet.
A plurality of fish scale heat dissipation holes 12 are uniformly formed in the lower portion of the second female door 7; the upper part of the back plate of the cabinet body 1 is also provided with a plurality of fish scale heat dissipation holes 12 in uniform arrangement so as to facilitate the air of the equipment to enter lower than the convection heat dissipation.
Further, the position spot welding that the inner wall of the cabinet body 1 corresponds fish scale louvre 12 covers has the mesh size to be 1 x 1mm's stainless steel net to the separation dust improves the utility model discloses holistic IP protection level.
Moreover, fish scale louvre 12 is in the radiating while, also can prevent that the rainwater from getting into the internal portion of cabinet, simultaneously, the utility model discloses set up fish scale louvre 12 in the lower part of female door two 7, also can make from this hole get into the direct 1 bottoms of the cabinet of falling of the internal dust of cabinet, the internal structure of the pollution cabinet as few as possible 1 of cabinet.
The second sub-door 13 positioned at the lower part of the cabinet body 1 is directly fixed by screws without a door shaft, a manual operating mechanism 14 is arranged on the second sub-door 13, and the manual operating mechanism 14 has the functions of operation of an isolating switch 17 and five-prevention logic protection.
The utility model adopts the material of the cabinet body 1 as the Q235 cold plate, and the thickness of the framework plate of the cabinet body 1 is 2.5mm, thereby ensuring the bearing and vibration influence of the internal devices; the thickness of the front door panel is 2.0mm, and reinforcing ribs are additionally arranged inside the front door panel to meet the external hanging weight requirements of components such as a controller and the like; the other plates were 1.5mm thick.
The cabinet body structure is formed by bending and processing a cold plate, the IP protection of the equipment can reach IP30 at most, the surface treatment adopts electrostatic spraying, and the color is according to the actual engineering project requirements.
As shown in fig. 2, the cabinet body 1 is internally provided with a primary strong current equipment part, the cabinet top is an equipment inlet wire, the cabinet is a rear equipment outlet wire, and the overall main loop inlet and outlet wire mode is as follows: the line is led in from a cabinet top busbar 15, and is led out and discharged through a line inlet side arrester 16, a live sensor, an isolating switch 17, a vacuum circuit breaker 18, a current transformer 19 and an equipment side arrester 20 and equipment behind a cabinet.
In the above, the cabinet top busbar 15 is a cabinet top incoming line position; the incoming line side lightning arrester 16 is used for incoming line lightning protection; the isolating switch 17 is an obvious breakpoint of an incoming power line, the isolating switch 17 is connected with a grounding switch, and the grounding switch is used for grounding discharge for equipment maintenance; the vacuum circuit breaker 18 is used for switching and protecting tripping of a branch circuit; the current transformer 19 has current sampling and protecting functions; the equipment-side surge arrester 20 is used for capacitor bank switching over-voltage protection.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An indoor high-voltage reactive power compensation device switching cabinet is characterized by comprising a cabinet body, wherein a front door of the cabinet body is divided into an upper part and a lower part, and the upper part and the lower part are in asymmetric split-door structure;
an instrument and a control part are hung on the inner wall of the mother door positioned at the upper part of the cabinet body, the instrument and the control part are separated from a primary strong current part in the cabinet body by adopting a cold plate, the instrument and control part comprises a cabinet front operation and indication part and a control chamber part, the cabinet front operation and indication part comprises electronic components such as an operation button, an indication lamp and an indication meter, and the control chamber part comprises a wiring terminal and a reactive compensation controller; the front ends of the cabinet front operation and indication part and the control chamber part are exposed out of corresponding different through holes on the first main door so as to carry out operation, indication and control;
a comprehensive protection device is arranged on a first sub-door positioned at the upper part of the cabinet body, and the comprehensive protection device is also separated from a primary strong current part in the cabinet body by adopting a cold plate;
an upper observation window and a lower observation window are arranged on a second main door positioned at the lower part of the cabinet body, and are simultaneously provided with an electrified display and an illumination lamp in the cabinet, and the lower observation window corresponds to a vacuum circuit breaker arranged below the inner part of the cabinet body; a plurality of fish scale heat dissipation holes are uniformly formed in the lower portion of the second main door; a plurality of fish scale heat dissipation holes are uniformly formed in the upper part of the rear plate of the cabinet body;
and a second sub-door positioned at the lower part of the cabinet body is not provided with a door shaft and is directly fixed by screws, and a manual operation mechanism is arranged on the second sub-door.
2. The indoor high-voltage reactive power compensation device switching cabinet according to claim 1, wherein the cabinet body is made of a Q235 cold plate; the thickness of the cabinet framework is 2.5mm, the thickness of the front door panel is 2.0mm, and the thickness of other panels is 1.5mm.
3. An indoor high-voltage reactive power compensation device switching cabinet according to claim 1 or 2, wherein the cabinet body has an IP protection of up to IP30, and the surface treatment is electrostatic spraying.
4. The switching cabinet for the indoor high-voltage reactive power compensation device according to claim 1, wherein a reinforcing rib meeting the external hanging weight requirement of an instrument and a control part is additionally arranged on the inner wall of the first master door.
5. The switching cabinet for the indoor high-voltage reactive power compensation device according to claim 1, wherein a stainless steel wire mesh is covered on the inner wall of the cabinet body in a spot welding manner at a position corresponding to the heat dissipation holes of the fish scales.
6. The indoor high-voltage reactive power compensation device switching cabinet according to claim 5, wherein the mesh size of the stainless steel wire mesh is 1 x 1mm.
7. The switching cabinet for the indoor high-voltage reactive power compensation device according to claim 1, wherein the cold plate is a metal plate with a thickness of 1.5mm.
8. The switching cabinet of the indoor high-voltage reactive power compensation device according to claim 1, wherein a primary strong-current equipment part is arranged in the cabinet body, an equipment inlet wire is arranged at the top of the cabinet, an equipment outlet wire is arranged at the back of the cabinet, and the mode of the whole main circuit inlet and outlet wire is as follows: the device comprises a cabinet top bus bar, an incoming line side arrester, a live sensor, an isolating switch, a vacuum circuit breaker, a current transformer, an equipment side arrester and an outgoing line and a discharge line of equipment behind a cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222030469.2U CN217934670U (en) | 2022-08-03 | 2022-08-03 | Switching cabinet of indoor high-voltage reactive power compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222030469.2U CN217934670U (en) | 2022-08-03 | 2022-08-03 | Switching cabinet of indoor high-voltage reactive power compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217934670U true CN217934670U (en) | 2022-11-29 |
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ID=84152010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222030469.2U Active CN217934670U (en) | 2022-08-03 | 2022-08-03 | Switching cabinet of indoor high-voltage reactive power compensation device |
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| Country | Link |
|---|---|
| CN (1) | CN217934670U (en) |
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- 2022-08-03 CN CN202222030469.2U patent/CN217934670U/en active Active
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