CN111509580A - Dynamic reactive power compensation device of power distribution system - Google Patents
Dynamic reactive power compensation device of power distribution system Download PDFInfo
- Publication number
- CN111509580A CN111509580A CN202010344178.3A CN202010344178A CN111509580A CN 111509580 A CN111509580 A CN 111509580A CN 202010344178 A CN202010344178 A CN 202010344178A CN 111509580 A CN111509580 A CN 111509580A
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- cabinet
- cabinet body
- distribution system
- heat dissipation
- moisture
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention belongs to the technical field of dynamic reactive power compensation of a power distribution system, in particular to a dynamic reactive power compensation device of the power distribution system, which comprises a cabinet body, and an upper cabinet door and a lower cabinet door which are respectively hinged with the top end of the front side and the bottom end of the front side of the cabinet body, wherein the top end of the cabinet body is integrally connected with a top cover, an auxiliary mounting frame is fixedly arranged on the rear side of the top cover, a connecting screw hole is formed in the auxiliary mounting frame, and side plate heat dissipation areas are respectively fixedly arranged at two ends of the; install through supplementary mounting bracket and outside wall, supplementary mounting bracket adopts "concave" type structure, makes to have a determining deviation between the cabinet body and the wall, combines the thermovent that the side wall was seted up behind the cabinet body, can accelerate circulation of air and the radiating rate of the internal portion of cabinet, all is equipped with the radiating zone on cabinet side face and the lower cabinet door, makes the circulation of air speed of the internal portion of cabinet stable, and the radiating effect is good, avoids appearing high temperature damage because of the too high electric components and parts that make the internal portion of cabinet of high temperature.
Description
Technical Field
The invention belongs to the technical field of dynamic reactive power compensation of a power distribution system, and particularly relates to a dynamic reactive power compensation device of the power distribution system.
Background
The power supply quality of the whole power grid and the electric energy utilization rate of the power generation system are directly influenced by the power factor of the power utilization system. The excessively low power factor not only makes the capacity of power supply equipment in the power system not fully utilized, increases the electric energy loss on a power transmission line in a power grid, but also increases the voltage loss of the line, sometimes makes the voltage of a load end lower than an allowable value, and seriously affects the normal operation of an asynchronous motor and other electric equipment, even damages the asynchronous motor and the other electric equipment. The power factor of the power system becomes an important economic index of the power system, and reactive compensation in the power distribution system is particularly important;
in the using process of the power distribution equipment, because of the existence of a large amount of harmonic waves of a power distribution system, harm and energy waste are brought to the power distribution equipment, so that the reactive compensation cabinet is usually used for controlling the power distribution equipment to reduce the damage of the harmonic waves to a circuit; the existing reactive compensation cabinet has certain defects when in use, firstly, the heat dispersion performance is poor, the internal part of the cabinet is overheated and damaged easily, secondly, the cabinet does not have the dehumidification function, and the cabinet cannot dehumidify the damp air in the cabinet body, so that the cabinet is not comprehensive enough.
Therefore, the present invention provides a dynamic reactive power compensation device for a power distribution system to solve the problems mentioned in the background above.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a dynamic reactive power compensation device of a power distribution system, which has the characteristics of simple and reasonable structure and good dehumidification and heat dissipation effects.
In order to achieve the purpose, the invention provides the following technical scheme: a dynamic reactive power compensation device of a power distribution system comprises a cabinet body, an upper cabinet door and a lower cabinet door, wherein the upper cabinet door and the lower cabinet door are hinged to the front top end and the front bottom end of the cabinet body respectively, the top end of the cabinet body is integrally connected with a top cover, an auxiliary mounting frame is fixedly arranged on the rear side of the top cover, a connecting screw hole is formed in the auxiliary mounting frame, side plate heat dissipation areas are fixedly arranged at two ends of the top end of the cabinet body respectively, a cabinet door heat dissipation area is fixedly arranged at the bottom end of the lower cabinet door, a plurality of heat dissipation ports distributed in a matrix form are formed in each of the side plate heat dissipation areas and the cabinet door heat dissipation area, mounting clamp grooves are fixedly formed in the outer side walls of the side plate heat dissipation areas and the cabinet door heat dissipation areas respectively, a filter screen is fixedly clamped and clamped in the inner side of, the moisture-proof box is positioned on the outer side of the connecting base plate and is fixedly bonded with the connecting base plate.
Preferably, the number of the moisture-proof mechanisms is a plurality, and the moisture-proof mechanisms are respectively fixed on the inner wall of the cabinet body.
Preferably, the moisture-proof box is internally provided with a cavity filled with a drying agent, the moisture-proof box is of a hollow structure, and the inner diameter of the hollow slot is smaller than the outer diameter of the drying agent.
Preferably, a sealing opening is formed in the top end of the moisture-proof box, a sealing plug is fixed to the inner side of the sealing opening in a clamped mode, and a connecting ring is fixedly bonded to the middle position of the top end of the sealing plug.
Preferably, the auxiliary mounting frame is of a concave structure.
Preferably, the bottom end of the cabinet body is integrally formed and connected with a cabinet bottom, a plurality of air holes are formed in the cabinet bottom, and the inner side of the cabinet bottom is a hollow rectangle.
Preferably, the inner side of the mounting clamping groove is provided with a clamping groove matched with the cross section area of the filter screen, and the filter screen is detachably connected with the mounting clamping groove and the cabinet door heat dissipation area.
Preferably, the inner side wall of the moisture-proof box and the outer side wall of the connecting base plate are provided with magic tapes matched with each other.
Compared with the prior art, the invention has the beneficial effects that:
1. the dynamic reactive power compensation device of the power distribution system is installed with an external wall surface through the auxiliary installation frame, the auxiliary installation frame is of a concave structure, a certain distance is formed between the cabinet body and the wall surface, the heat dissipation opening formed in the rear side wall of the cabinet body is combined, the air circulation and the heat dissipation speed in the cabinet body can be accelerated, the heat dissipation areas are arranged on the side surface of the cabinet body and the lower cabinet door, the air circulation speed in the cabinet body is stable, the heat dissipation effect is good, and high-temperature damage of electric components in the cabinet body due to overhigh temperature is avoided;
2. establish the counter bottom into hollow structure, and form a cavity between the ground, combine the bleeder vent of seting up at the counter bottom, avoid the counter bottom long-term and ground contact, lead to the internal too moist condition of appearance of cabinet because of ground water stain and humidity, still be equipped with the dampproofing mechanism that the connection can be dismantled to a plurality of at internal wall of cabinet, dampproofing mechanism comprises dampproofing box and connecting backing plate, connecting backing plate and cabinet body coupling, dampproofing box passes through the magic with the connecting backing plate and pastes to dismantle and be connected, it has the drier to pack in dampproofing box, combine the hollow out construction of dampproofing box, can contact with the internal air of cabinet, get rid of the partial moisture content in the internal moist material of cabinet, keep the air drying of the internal portion of cabinet, avoid leading to circuit components and parts to appear contact failure because of the internal.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic axial view of a dynamic reactive power compensation device of a power distribution system;
FIG. 2 is a schematic diagram of a partial internal view explosion structure of the inner wall of a cabinet body in the dynamic reactive power compensation device of the power distribution system;
fig. 3 is an enlarged schematic structural diagram of a detail at a in fig. 2 in the dynamic reactive power compensation device of the power distribution system;
fig. 4 is a structural schematic diagram of an installation and use state of a cabinet in the dynamic reactive power compensation device of the power distribution system.
In the figure: 1. a cabinet body; 101. a heat dissipation port; 11. a lower cabinet door; 12. the upper cabinet door is arranged; 13. a side plate heat dissipation area; 14. a cabinet bottom; 141. air holes are formed; 2. a filter screen; 3. a top cover; 4. an auxiliary mounting frame; 401. a connecting screw hole; 5. installing a clamping groove; 6. a cabinet door heat dissipation area; 7. a moisture-proof mechanism; 71. a moisture-proof box; 711. sealing the opening; 712. a sealing plug; 7121. a connecting ring; 72. and connecting the backing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: dynamic reactive power compensation device of power distribution system, including cabinet body 1 and cabinet body 1 front side top and front side bottom hinged upper cabinet door 12 and lower cabinet door 11 respectively, the top of cabinet body 1 is integrated into one piece and is connected with top cap 3, the rear side of top cap 3 has set firmly auxiliary mounting bracket 4, set up on the auxiliary mounting bracket 4 and connect screw hole 401, the top both ends of cabinet body 1 have set firmly curb plate radiating area 13 respectively, the bottom of lower cabinet door 11 has set firmly cabinet door radiating area 6, curb plate radiating area 13 and cabinet door radiating area 6 all are equipped with a plurality of thermovents 101 that are matrix distribution, curb plate radiating area 13 and the lateral wall of cabinet door radiating area 6 have all set firmly installation draw-in groove 5, the inboard block of installation draw-in groove 5 is fixed with filter screen 2, the inner wall of cabinet body 1 is provided with dampproofing mechanism 7, dampproofing mechanism 7 includes dampproofing box 71 and connection backing plate 72, connection backing plate, the moisture-proof box 71 is located outside the connecting pad 72 and is adhesively fixed to the connecting pad 72.
In this embodiment: the inner wall of the cabinet body 1 is provided with a moisture-proof mechanism 7, the moisture-proof mechanism 7 comprises a moisture-proof box 71 and a connecting base plate 72, the connecting base plate 72 is fixed on the inner wall of the cabinet body 1 in a threaded manner, and the moisture-proof box 71 is positioned on the outer side of the connecting base plate 72 and is fixedly bonded with the connecting base plate 72; be equipped with the dampproofing mechanism 7 that the connection can be dismantled to a plurality of at the internal wall of cabinet 1, dampproofing mechanism 7 comprises dampproofing box 71 and connection backing plate 72, it is connected with cabinet body 1 to connect backing plate 72, dampproofing box 71 can be dismantled through the magic subsides with connection backing plate 72 and be connected, it has the drier to pack in dampproofing box 71, combine the hollow out construction of dampproofing box 71, can contact with the internal air of cabinet 1, get rid of the partial moisture content in the internal portion moist material of cabinet 1, keep the internal portion air drying of cabinet, avoid leading to circuit components and parts to appear contact failure's trouble because of the internal portion humidity of cabinet 1, strengthen the operating stability of each components and parts of.
Specifically, the number of the moisture-proof mechanisms 7 is multiple, and the moisture-proof mechanisms 7 are respectively fixed on the inner wall of the cabinet body 1; a plurality of moisture-proof mechanisms 7 may be reasonably distributed on the inner wall of the cabinet 1 (the installation position of the moisture-proof mechanism 7 is not limited to the manner set forth in the present embodiment and the position shown in the drawings).
Specifically, a cavity is formed inside the moisture-proof box 71, a drying agent is filled in the cavity, the moisture-proof box 71 is of a hollow structure, and the inner diameter of a hollow groove hole is smaller than the outer diameter of the drying agent; the packing has the drier in the dampproofing box 71, combines the hollow out construction of dampproofing box 71, can contact with the internal portion air of the cabinet, gets rid of the partial moisture content in the internal portion humid material of cabinet 1, keeps the air drying of the internal portion of cabinet 1, avoids leading to circuit components and parts to appear contact failure because of the internal portion humidity of the cabinet 1, strengthens the job stabilization nature of each components and parts of the internal portion of cabinet 1.
Specifically, a sealing opening 711 is formed in the top end of the moisture-proof box 71, a sealing plug 712 is fixedly clamped on the inner side of the sealing opening 711, and a connecting ring 7121 is fixedly bonded at the middle position of the top end of the sealing plug 712; the sealing opening 711 for the moisture-proof case 71 can be sealed by a sealing plug 712 to prevent the desiccant from leaking out of the moisture-proof case 71 during use, and a connecting ring 7121 protrudes from the upper surface of the sealing plug 712 to serve as a stress point to facilitate opening of the sealing plug 712.
Specifically, magic tapes matched with each other are arranged on the inner side wall of the moisture-proof box 71 and the outer side wall of the connecting backing plate 72; dampproofing mechanism 7 comprises dampproofing box 71 and connection backing plate 72, connects backing plate 72 and is connected with the cabinet body 1, and dampproofing box 71 can be dismantled through the magic with connecting backing plate 72 and be connected, and the dampproofing box 71 of dismouting of being convenient for is changed the drier in the dampproofing box 71.
Specifically, the auxiliary mounting frame 4 is of a concave structure; the cabinet body 1 and the wall surface are spaced from each other by a certain distance, and the air circulation and the heat dissipation speed inside the cabinet body 1 can be accelerated by combining the heat dissipation port 101 formed in the rear side wall of the cabinet body 1.
Specifically, the bottom end of the cabinet body 1 is integrally connected with a cabinet bottom 14, a plurality of air holes 141 are formed in the cabinet bottom 14, and the inner side of the cabinet bottom 14 is a hollow rectangle; the cabinet bottom 14 is of a hollow structure, a cavity is formed between the cabinet bottom 14 and the ground, and the air holes 141 formed in the cabinet bottom 14 are combined, so that the cabinet bottom 14 is prevented from being in contact with the ground for a long time, and the condition that the inside of the cabinet body 1 is too humid due to water stain and humidity on the ground is avoided.
Specifically, a clamping groove matched with the cross section area of the filter screen 2 is formed in the inner side of the mounting clamping groove 5, and the filter screen 2 is detachably connected with the mounting clamping groove 5 and the cabinet door heat dissipation area 6; the cabinet is used for reducing the external dust entering the cabinet body 1 from the heat dissipation opening 101, and the filter screen 2 is convenient to disassemble, assemble and replace.
The working principle and the using process of the invention are as follows: when in use, the cabinet body 1 is fixed with an external wall surface through the auxiliary mounting frame 4 in a screwed connection manner, the use stability of the cabinet body 1 is enhanced, the cabinet body is not easy to topple and move, the auxiliary mounting frame 4 adopts a concave structure, a certain distance is formed between the cabinet body 1 and the wall surface, the heat dissipation speed and the air circulation inside the cabinet body 1 can be increased by combining the heat dissipation port 101 formed on the rear side wall of the cabinet body 1, the side surface of the cabinet body 1 and the lower cabinet door 11 are both provided with heat dissipation areas, the air circulation speed inside the cabinet body 1 is stable, the heat dissipation effect is good, high-temperature damage of electric components inside the cabinet body 1 caused by overhigh temperature is avoided, the cabinet bottom 14 is arranged into a hollow structure, a cavity is formed between the cabinet bottom and the ground, the air holes 141 formed in the cabinet bottom 14 are combined, the cabinet bottom 14 is prevented from being in contact with the ground for a long time, the over-humid condition, dampproofing mechanism 7 comprises dampproofing box 71 and connection backing plate 72, connection backing plate 72 is connected with the cabinet body 1, dampproofing box 71 can be dismantled with connection backing plate 72 through the magic subsides and be connected, it has the drier to pack in dampproofing box 71, combine the hollow out construction of dampproofing box 71, can contact with the internal air of cabinet 1, get rid of the partial moisture content in the internal moist material of cabinet 1, keep the air drying of the internal portion of cabinet 1, avoid leading to circuit components and parts to appear contact failure because of the internal portion humidity of cabinet 1, strengthen the job stabilization nature of each components and parts of the internal portion of cabinet 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Distribution system developments reactive power compensator, including the cabinet body (1) and the cabinet body (1) front side top and front side bottom are articulated respectively go up cabinet door (12) and lower cabinet door (11), its characterized in that: the cabinet is characterized in that a top cover (3) is integrally formed at the top end of the cabinet body (1), an auxiliary mounting frame (4) is fixedly arranged at the rear side of the top cover (3), a connecting screw hole (401) is formed in the auxiliary mounting frame (4), side plate heat dissipation areas (13) are fixedly arranged at two ends of the top end of the cabinet body (1) respectively, a cabinet door heat dissipation area (6) is fixedly arranged at the bottom end of a lower cabinet door (11), a plurality of heat dissipation ports (101) distributed in a matrix form are arranged on each of the side plate heat dissipation areas (13) and the cabinet door heat dissipation area (6), an installation clamping groove (5) is fixedly arranged on the outer side wall of each of the side plate heat dissipation areas (13) and the cabinet door heat dissipation area (6), a filter screen (2) is fixedly clamped on the inner side of the installation clamping groove (5), a moisture-proof mechanism (7) is arranged on the inner wall of the, the connecting backing plate (72) is fixed on the inner wall of the cabinet body (1) in a threaded manner, and the moisture-proof box (71) is located on the outer side of the connecting backing plate (72) and is fixedly bonded with the connecting backing plate (72).
2. The dynamic reactive power compensation device of the power distribution system according to claim 1, wherein: the number of the moisture-proof mechanisms (7) is a plurality, and the moisture-proof mechanisms (7) are respectively fixed on the inner wall of the cabinet body (1).
3. The dynamic reactive power compensation device of the power distribution system according to claim 1, wherein: the moisture-proof box (71) is internally provided with a cavity filled with a drying agent, the moisture-proof box (71) is of a hollow structure, and the inner diameter of the hollow groove hole is smaller than the outer diameter of the drying agent.
4. The dynamic reactive power compensation device of the power distribution system according to claim 1, wherein: the top end of the moisture-proof box (71) is provided with a sealing opening (711), the inner side of the sealing opening (711) is fixedly clamped with a sealing plug (712), and the middle position of the top end of the sealing plug (712) is fixedly bonded with a connecting ring (7121).
5. The dynamic reactive power compensation device of the power distribution system according to claim 1, wherein: the auxiliary mounting frame (4) is of a concave structure.
6. The dynamic reactive power compensation device of the power distribution system according to claim 1, wherein: the bottom end of the cabinet body (1) is integrally formed and connected with a cabinet bottom (14), a plurality of air holes (141) are formed in the cabinet bottom (14), and the inner side of the cabinet bottom (14) is a hollow rectangle.
7. The dynamic reactive power compensation device of the power distribution system according to claim 1, wherein: the inner side of the mounting clamping groove (5) is provided with a clamping groove matched with the cross section area of the filter screen (2), and the filter screen (2) is detachably connected with the mounting clamping groove (5) and the cabinet door heat dissipation area (6).
8. The dynamic reactive power compensation device of the power distribution system according to claim 1, wherein: the inner side wall of the moisture-proof box (71) and the outer side wall of the connecting backing plate (72) are provided with magic tapes matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010344178.3A CN111509580A (en) | 2020-04-27 | 2020-04-27 | Dynamic reactive power compensation device of power distribution system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010344178.3A CN111509580A (en) | 2020-04-27 | 2020-04-27 | Dynamic reactive power compensation device of power distribution system |
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| CN111509580A true CN111509580A (en) | 2020-08-07 |
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| CN202010344178.3A Pending CN111509580A (en) | 2020-04-27 | 2020-04-27 | Dynamic reactive power compensation device of power distribution system |
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| JP2015089214A (en) * | 2013-10-30 | 2015-05-07 | ユニキャリア株式会社 | Pre-cleaner attachment of control panel |
| CN205828900U (en) * | 2016-06-26 | 2016-12-21 | 东方海蓝（天津）科技股份有限公司 | A kind of power distribution cabinet |
| CN108649439A (en) * | 2018-05-19 | 2018-10-12 | 安徽国电京润电力科技有限公司 | A kind of prepackage type power distribution cabinet with environment measuring function |
| CN208723357U (en) * | 2018-10-08 | 2019-04-09 | 天津市朗照电气设备技术有限公司 | A kind of suspension type power distribution cabinet with heat dissipation dehumidification function |
| CN209860365U (en) * | 2019-06-06 | 2019-12-27 | 湖北省超能电力有限责任公司 | Novel prevent condensation switch board |
| CN210111304U (en) * | 2019-07-23 | 2020-02-21 | 伊发控股集团有限公司 | Intelligent ring main unit |
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2020
- 2020-04-27 CN CN202010344178.3A patent/CN111509580A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015089214A (en) * | 2013-10-30 | 2015-05-07 | ユニキャリア株式会社 | Pre-cleaner attachment of control panel |
| CN205828900U (en) * | 2016-06-26 | 2016-12-21 | 东方海蓝（天津）科技股份有限公司 | A kind of power distribution cabinet |
| CN108649439A (en) * | 2018-05-19 | 2018-10-12 | 安徽国电京润电力科技有限公司 | A kind of prepackage type power distribution cabinet with environment measuring function |
| CN208723357U (en) * | 2018-10-08 | 2019-04-09 | 天津市朗照电气设备技术有限公司 | A kind of suspension type power distribution cabinet with heat dissipation dehumidification function |
| CN209860365U (en) * | 2019-06-06 | 2019-12-27 | 湖北省超能电力有限责任公司 | Novel prevent condensation switch board |
| CN210111304U (en) * | 2019-07-23 | 2020-02-21 | 伊发控股集团有限公司 | Intelligent ring main unit |
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Application publication date: 20200807 |
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