CN109862751B - Reactive power compensation box - Google Patents
Reactive power compensation box Download PDFInfo
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- CN109862751B CN109862751B CN201910132000.XA CN201910132000A CN109862751B CN 109862751 B CN109862751 B CN 109862751B CN 201910132000 A CN201910132000 A CN 201910132000A CN 109862751 B CN109862751 B CN 109862751B
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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 invention discloses a reactive power compensation box, which relates to the field of reactive power compensation devices and aims at solving the problems that the heat dissipation effect of the existing capacitive reactive power compensation box is not ideal and the service life of a capacitor is influenced, a heat dissipation device is fixedly arranged on a device support and comprises a base, a liquid bag supporting body and a liquid bag, wherein the base is of a cuboid cavity structure, one surface of the base is fixedly provided with a plurality of liquid bags and liquid bag supporting bodies made of elastic materials, a capacitor gap is arranged between the adjacent liquid bag supporting bodies and the liquid bags, the capacitor gap is used for being sleeved on the capacitor, and a channel communicated with the cavity of the base is formed in the liquid bag supporting body; the liquid bag supporting body and the base are filled with liquid. After the base is filled with liquid, the liquid bag supports and the liquid bag are expanded and tightly attached to the surface of the capacitor, so that the heat of the capacitor is quickly taken away from the surface of the capacitor through the liquid to quickly cool the capacitor.
Description
Technical Field
The invention relates to the field of reactive power compensation devices, in particular to a reactive power compensation box.
Background
Reactive compensation, called reactive power compensation, is a technology that plays a role in improving the power factor of a power grid in an electric power supply system, reduces the loss of a power supply transformer and a transmission line, improves the power supply efficiency, and improves the power supply environment. The reactive power compensation device is in an indispensable and very important place in the power supply system. The compensation device is reasonably selected, so that the loss of the power grid can be reduced to the maximum extent, and the quality of the power grid is improved. Conversely, improper selection or use may cause many factors such as power supply system, voltage fluctuation, harmonic increase, and the like.
The capacitance reactive power compensation box is one of common modes for reactive power compensation, has a simple structure, is convenient to install and is widely applied. Because the capacitor needs to be connected into the power grid for a long time, the capacitor is easy to generate heat, and aging is caused, and even more, the capacitor can explode. The conventional capacitive reactive power compensation box is not provided with a special heat dissipation device or only utilizes a fan to dissipate heat, so that the heat dissipation is slow, the effect is not ideal, and the service life of a capacitor is influenced.
Disclosure of Invention
In order to solve the above problems, the present invention provides a reactive power compensation box, which is implemented by adopting the following technical scheme:
a reactive power compensation box comprises a cabinet body, a device support, a capacitor, a contactor, a branch circuit breaker and a main circuit breaker, wherein a heat dissipation device is fixedly arranged on the device support, and is partially sleeved on the capacitor;
the heat dissipation device comprises a base, a liquid bag supporting body, a liquid bag, an ear plate and a liquid injection port;
the base is of a cuboid cavity structure, two sides of the base are respectively provided with an ear plate, and the ear plates are provided with fixing holes;
one side of the base is provided with a liquid injection port which is communicated with the cavity in the base;
one surface of the base is fixedly provided with a plurality of liquid sac supporting bodies and liquid sacs;
the liquid bag is made of elastic sealing materials, one end of the liquid bag is fixedly arranged on one surface of the base, and the rest part of the liquid bag is wrapped outside the liquid bag supporting body in a sealing mode;
a capacitor gap is arranged between the adjacent liquid bag supporting bodies and the liquid bags and is used for being sleeved on the capacitor;
a channel communicated with the cavity of the base is formed in the liquid bag supporting body;
the liquid bag supporting body and the base are filled with liquid.
During the use, in the base, after being full of liquid in liquid bag supporter, the liquid bag inflation is pasted tightly with the surface of condenser to take away its heat from the condenser surface through liquid fast and carry out rapid cooling to it, this scheme simple structure can be on current equipment direct mount, saves the cost, and the radiating effect is showing.
Preferably, the base is made of an aluminum alloy material, and the other surface of the base is fixedly provided with radiating blades. The aluminum alloy material is convenient for heat conduction, and the arrangement of the radiating blades is more favorable for heat dissipation.
Preferably, the sac is made of a silica gel material. The silica gel material has strong ageing resistance and corrosion resistance.
Preferably, the silica gel material is heat-conducting silica gel. The heat-conducting silica gel can be prepared by referring to the process of the heat-conducting silica gel sheet, has high heat-conducting speed and is beneficial to heat dissipation.
Preferably, the liquid bag supporting body is made of foam materials, and a liquid inlet channel and a liquid outlet channel are formed in the liquid bag supporting body. The liquid bag supporting body is made of foam materials, the weight of the device can be reduced, in addition, the self weight of the liquid bag can be supported, and the inner space of the liquid bag can be filled as much as possible, so that the injected liquid can achieve the heat conduction effect without much liquid.
Preferably, a liquid inlet pump is arranged in the liquid inlet channel. The liquid inlet pump is used for internal circulation of liquid, so that heat can be taken away more conveniently.
Preferably, the liquid inlet channel is positioned below the liquid outlet channel. The design can enable heated liquid to move upwards and flow out from the liquid outlet channel at the upper part, unheated liquid with relatively low temperature is supplemented from the liquid inlet channel at the bottom, liquid circulation can be automatically realized by heat even if a liquid inlet pump is not started, and electric energy is saved.
Preferably, the sac is in a T-shaped structure after being filled with liquid. The T-shaped structure facilitates a larger area of contact with the capacitor.
Preferably, the heat dissipation blades are made of an aluminum alloy material.
Preferably, the outer surface of the upper part of the liquid bag supporting body is fixedly provided with a temperature sensor, and the temperature sensor is connected with the liquid inlet pump in series and then is connected to a power supply. The liquid inlet pump is controlled by the temperature sensor, and the liquid inlet pump is started only after a certain preset value is reached, so that the energy consumption of the liquid inlet pump can be further reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the embodiment provided by the present invention;
FIG. 2 is a partial cross-sectional view of a heat sink in an embodiment provided by the present invention;
FIG. 3 is a schematic structural view of a heat dissipation device with a liquid bag removed according to an embodiment of the present disclosure;
fig. 4 is a partial cross-sectional view of another orientation of the heat dissipation device with the bladder removed in an embodiment of the present invention.
As shown in the figure, the respective reference numerals denote: the cabinet body 1, the device support 2, the capacitor 3, the heat dissipation device 4, the contactor 5, the branch circuit breaker 6, the main circuit breaker 7, the base 40, the liquid bag support body 41, the liquid bag 42, the ear plate 43, the heat dissipation blade 400, the liquid inlet channel 410, the liquid outlet channel 411, the fixing hole 430 and the liquid inlet pump 4100.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be described in detail and completely with reference to fig. 1-4 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.
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 application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, a reactive power compensation box comprises a cabinet body 1, a device support 2, a capacitor 3, a contactor 5, a branch circuit breaker 6 and a main circuit breaker 7, wherein a heat dissipation device 4 is fixedly arranged on the device support 2, and part of the heat dissipation device 4 is sleeved on the capacitor 3. The circuit connection is the same as that of the existing reactive power compensation box, each capacitor branch is formed by connecting a capacitor 3 and a contactor 5 in series through a wire, connecting the branch breakers 6 in parallel through a bus, and connecting the branches with an external power grid through a main breaker 7.
As shown in fig. 2 to 4, the heat dissipating device 4 includes a base 40, a liquid bag support 41, a liquid bag 42, an ear plate 43, and a liquid pouring port 44.
The base 40 is a cuboid cavity structure made of aluminum alloy materials, ear plates 43 are respectively arranged on two sides of the base 40, and fixing holes 430 are formed in the ear plates 43. In order to further facilitate heat dissipation, a heat dissipation fin 400 is fixedly disposed on the other side of the base 40. The base 40 is fixed to the device holder 2 through the fixing hole 430, which is installed corresponding to the position of the capacitor 3.
A pour port 44 is provided on one side of the base 40, the pour port 44 communicating with the cavity in the base 40. The liquid injection port 44 is used to inject or discharge liquid, which is used to conduct heat. The liquid can be pure water or transformer oil.
A plurality of sac supporting bodies 41 and sacs 42 are fixedly provided on one surface of the base 40. The liquid bag 42 is made of elastic heat dissipation silica gel material, one end of the liquid bag is fixedly arranged on one surface of the base 40, and the rest part of the liquid bag is hermetically wrapped outside the liquid bag supporting body 41. A capacitor gap 45 is arranged between the adjacent liquid sac supporting body 41 and the liquid sac 42, and the capacitor gap 45 is used for being sleeved on the capacitor 3. The liquid bag support body 41 is made of foam materials, a liquid inlet channel 410 and a liquid outlet channel 411 are formed in the liquid bag support body, the liquid inlet channel 410 is located below the liquid outlet channel 411, a liquid inlet pump 4100 is arranged in the liquid inlet channel 410, a temperature sensor is fixedly arranged on the outer surface of the upper portion of the liquid bag support body 41, the temperature sensor and the liquid inlet pump 4100 are connected in series and then connected to a power supply, the temperature sensor can use a common temperature control switch, and the action temperature of the temperature sensor is 50 ℃. The sac 42 is filled with liquid and then assumes a T-shaped configuration. The T-shaped structure facilitates a larger area of contact with the capacitor 3. The liquid is contained in the base 40, the liquid bag support 41 and the liquid bag.
When in use, the utility model is used,
1) firstly, discharging the liquid in the heat dissipation device 4 from the liquid injection port 44, wherein the liquid bag 42 is tightly wrapped on the periphery of the liquid bag support body 41 due to the elastic action, and the capacitor gap 45 is enlarged due to the contraction of the liquid bag 42;
2) mounting the heat sink 4 to the device holder 2 in a position corresponding to the capacitors and with each of the capacitors 3 positioned in the capacitor gap 45;
3) then, pure water or transformer oil is injected from the liquid injection port 44, so that the base 40, the liquid bag support body 41 and the liquid bag are filled with liquid, and the liquid bag expands under the pressure action of the liquid and is tightly attached to the surface of the capacitor 3 due to the elasticity of the liquid bag, so that the heat of the liquid bag is rapidly taken away from the surface of the capacitor through the liquid to rapidly cool the capacitor.
4) When the capacitor is not very hot (the temperature is lower than 50 ℃), after the liquid in the liquid bag 42 is heated, the heated liquid moves upwards and flows out from the liquid outlet channel 411 at the upper part, unheated liquid with relatively low temperature is supplemented from the liquid inlet channel 410 at the bottom, liquid circulation can be automatically realized by heat even if a liquid inlet pump is not started, and electric energy is saved. When the capacitor is hot, the temperature sensor is closed to drive the liquid inlet pump to rotate, so that the liquid flow is accelerated, and the heat dissipation capacity is further improved.
The scheme has a simple structure, can be directly installed on the existing equipment, saves the cost and has a remarkable heat dissipation effect.
Claims (10)
1. The utility model provides a reactive power compensation box, includes the cabinet body (1), device support (2), condenser (3), contactor (5), branch circuit breaker (6) and master breaker (7), its characterized in that:
the device support (2) is fixedly provided with a heat dissipation device (4), and the heat dissipation device (4) is partially sleeved on the capacitor (3);
the heat dissipation device (4) comprises a base (40), a liquid bag supporting body (41), a liquid bag (42), an ear plate (43) and a liquid injection port (44);
the base (40) is of a cuboid cavity structure, two sides of the base (40) are respectively provided with an ear plate (43), and the ear plates (43) are provided with fixing holes (430);
one side of the base (40) is provided with a liquid injection port (44), and the liquid injection port (44) is communicated with the cavity in the base (40);
a plurality of liquid sac supporting bodies (41) and liquid sacs (42) are fixedly arranged on one surface of the base (40);
the liquid bag (42) is made of elastic sealing materials, one end of the liquid bag is fixedly arranged on one surface of the base (40), and the rest part of the liquid bag is sealed and wrapped outside the liquid bag supporting body (41);
a capacitor gap (45) is arranged between the adjacent liquid sac supporting body (41) and the liquid sac (42), and the capacitor gap (45) is sleeved on the capacitor (3);
a channel communicated with the cavity of the base (40) is formed in the liquid bag supporting body (41);
liquid is contained in the liquid bag support body (41) in the base (40).
2. Reactive power compensation box according to claim 1, characterized in that:
the base (40) is made of an aluminum alloy material, and the other surface of the base (40) is fixedly provided with radiating blades (400).
3. Reactive power compensation box according to claim 1, characterized in that:
the liquid bag (42) is made of a silica gel material.
4. Reactive power compensation box according to claim 3, characterized in that:
the silica gel material is heat-conducting silica gel.
5. Reactive power compensation box according to claim 1, characterized in that:
the liquid bag supporting body (41) is made of foam materials, and a liquid inlet channel (410) and a liquid outlet channel (411) are formed in the liquid bag supporting body.
6. Reactive power compensation box according to claim 5, characterized in that:
a liquid inlet pump (4100) is arranged in the liquid inlet channel (410).
7. Reactive power compensation box according to claim 5, characterized in that:
the liquid inlet channel (410) is positioned below the liquid outlet channel (411).
8. Reactive power compensation box according to claim 1, characterized in that:
the liquid sac (42) is in a T-shaped structure after being filled with liquid.
9. Reactive power compensation box according to claim 2, characterized in that:
the radiating blades (400) are made of aluminum alloy materials.
10. Reactive power compensation box according to claim 6, characterized in that:
the outer surface of the upper part of the liquid bag support body (41) is fixedly provided with a temperature sensor, and the temperature sensor is connected with the liquid inlet pump (4100) in series and then is connected to a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132000.XA CN109862751B (en) | 2019-02-22 | 2019-02-22 | Reactive power compensation box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132000.XA CN109862751B (en) | 2019-02-22 | 2019-02-22 | Reactive power compensation box |
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| Publication Number | Publication Date |
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| CN109862751A CN109862751A (en) | 2019-06-07 |
| CN109862751B true CN109862751B (en) | 2020-03-31 |
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| CN201910132000.XA Active CN109862751B (en) | 2019-02-22 | 2019-02-22 | Reactive power compensation box |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411077A (en) * | 1994-04-11 | 1995-05-02 | Minnesota Mining And Manufacturing Company | Flexible thermal transfer apparatus for cooling electronic components |
| CN101640998A (en) * | 2008-07-31 | 2010-02-03 | 尹全权 | Liquid-cooled heat dissipation method for electronic element and computer and heat dissipation device thereof |
| CN203573234U (en) * | 2013-12-05 | 2014-04-30 | 哈尔滨师范大学 | Computer case cooling device |
| CN205407903U (en) * | 2016-02-29 | 2016-07-27 | 钱龙翰 | Have cell -phone protective housing that takes precautions against earthquakes with heat dissipation function concurrently |
-
2019
- 2019-02-22 CN CN201910132000.XA patent/CN109862751B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411077A (en) * | 1994-04-11 | 1995-05-02 | Minnesota Mining And Manufacturing Company | Flexible thermal transfer apparatus for cooling electronic components |
| CN101640998A (en) * | 2008-07-31 | 2010-02-03 | 尹全权 | Liquid-cooled heat dissipation method for electronic element and computer and heat dissipation device thereof |
| CN203573234U (en) * | 2013-12-05 | 2014-04-30 | 哈尔滨师范大学 | Computer case cooling device |
| CN205407903U (en) * | 2016-02-29 | 2016-07-27 | 钱龙翰 | Have cell -phone protective housing that takes precautions against earthquakes with heat dissipation function concurrently |
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| Publication number | Publication date |
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| CN109862751A (en) | 2019-06-07 |
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Effective date of registration: 20200110 Address after: Room 2005, block a, Jinwo building, No. 818, Xiangyang North Street, Jingxiu District, Baoding City, Hebei Province Applicant after: Baoding Longyue Electric Power Equipment Manufacturing Co., Ltd. Address before: 073004 Donghucun 450, Kaiyuan Town, Dingzhou City, Baoding City, Hebei Province Applicant before: Wang Yilong |
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