CN219959899U - High-voltage static var generator - Google Patents
High-voltage static var generator Download PDFInfo
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- CN219959899U CN219959899U CN202322566963.5U CN202322566963U CN219959899U CN 219959899 U CN219959899 U CN 219959899U CN 202322566963 U CN202322566963 U CN 202322566963U CN 219959899 U CN219959899 U CN 219959899U
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- static var
- var generator
- box
- fixed mounting
- high voltage
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- 230000003068 static effect Effects 0.000 title claims abstract description 54
- 239000004065 semiconductor Substances 0.000 claims abstract description 28
- 238000005057 refrigeration Methods 0.000 claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 241000883990 Flabellum Species 0.000 claims abstract description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 238000001816 cooling Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a high-voltage static var generator, which comprises a static var generator body, wherein a heat dissipation mechanism is fixedly arranged on the outer surface of the right side of the static var generator body, the heat dissipation mechanism comprises a box body, the box body is fixedly arranged on the outer surface of the right side of the static var generator body, and a semiconductor refrigerating sheet is fixedly arranged on the outer surface of the right side of the box body. This static var generator of high pressure, through setting up the semiconductor refrigeration piece, the semiconductor refrigeration piece is in the cold junction in the operation, and the one side is in the hot junction, cold junction and box fixed mounting with the semiconductor refrigeration piece, and hot junction and electric fan fixed mounting, the heat dissipation of heat is gone out through the operation of electric fan to the hot junction, and the produced heat of cold junction drives the two-way screw thread piece and moves to opposite one side or the one side that deviates from mutually under rotating electrical machines's drive to drive the purpose that the flabellum realized reciprocating through two-way screw thread pieces, enlarge heat radiating area.
Description
Technical Field
The utility model relates to the technical field of static var generators, in particular to a high-voltage static var generator.
Background
The high-voltage static reactive generator is characterized in that a self-commutation bridge circuit is connected to a power grid in parallel through a reactor or directly, the phase and amplitude of the output voltage of the alternating-current side of the bridge circuit are regulated, or the current of the alternating-current side of the bridge circuit is directly controlled, so that the circuit absorbs or emits reactive power meeting the requirement, and the purpose of dynamic reactive compensation is realized.
According to the integrated static var generator of the Chinese patent No. CN214153670U, through being provided with a cold circulation pipe in the generator shell, the integrated static var generator can radiate heat of a first layer in the generator shell, through being provided with a radiator fan at the bottom end in the generator shell, and further radiate heat of a second layer in the generator shell, and the radiating effect is good, although the device can achieve a good radiating effect, the device adopts water cooling, achieves the purpose of refrigeration by utilizing a water cooling circulation mode, and causes water drops to be generated when elements in the static var generator are contacted, so that the internal elements are affected with damp, and the high-voltage static var generator is provided for solving the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the high-voltage static var generator which has the advantages of good heat dissipation effect and the like, and solves the problems that the internal elements of the static var generator are damped due to water drops generated when the elements are contacted in a water cooling circulation mode to achieve the purpose of refrigeration.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-voltage static var generator comprises a static var generator body, wherein a heat dissipation mechanism is fixedly arranged on the outer surface of the right side of the static var generator body;
the heat dissipation mechanism comprises a box body, the right side surface fixed mounting of static var generator body has the box body, the right side surface fixed mounting of box has the semiconductor refrigeration piece, the right side surface fixed mounting of semiconductor refrigeration piece has the connection box, the inner wall of connection box rotates installs the electric fan, the top surface fixed mounting of box has the rotating electrical machines, the output shaft department fixed mounting of rotating electrical machines has the two-way threaded rod, the surface threaded connection of two-way threaded rod has two-way screw thread pieces, two the left side of two-way screw piece is all rotated and is installed the dwang, two the surface of dwang is all fixed mounting has the flabellum, two the surface of dwang is all fixed mounting has the gear, the back inner wall fixed mounting of box has the pinion rack.
Preferably, a vent is formed in the left outer surface of the static var generator body, and a dust screen is fixedly arranged in the vent.
Preferably, an air outlet is formed in the outer surface of the right side of the connecting box, and a filter screen is fixedly arranged in the air outlet.
Preferably, the right ends of the two rotating rods are connected with the bidirectional threaded block through bearing blocks.
Preferably, both of the gears are located at the front side of the toothed plate, and both of the gears are engaged with the outer surface of the toothed plate.
Preferably, the static var generator body is communicated with the box body through an air outlet.
Preferably, a rotating hole matched with the bidirectional threaded rod is formed in the outer surface of the top of the box body, and the bidirectional threaded rod is connected with the rotating hole in a rotating mode.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
this static var generator of high pressure, through setting up the semiconductor refrigeration piece, the semiconductor refrigeration piece is in the cold junction in the operation, the one side is in the hot junction, cold junction and box fixed mounting with the semiconductor refrigeration piece, and hot junction and electric fan fixed mounting, the hot junction passes through the operation of electric fan and dispels the heat, and the produced heat of cold junction drives the rotation of two-way threaded rod under rotating electrical machines's drive, and can drive the two-way screw thread piece and move to opposite one side or the one side that deviates from mutually when the rotation of two-way threaded rod, thereby drive the purpose that the flabellum realized reciprocating through two-way screw thread pieces, enlarge the radiating area, still reach pivoted effect when driving the flabellum through the meshing between gear and the pinion rack when the flabellum removes, diffuse the cold junction wind of semiconductor refrigeration piece, realize the inside radiating effect to static var generator body.
Drawings
FIG. 1 is a perspective view of the structure of the present utility model;
FIG. 2 is a front cross-sectional view of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the gear and toothed plate of the present utility model;
fig. 4 is an enlarged view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. a stationary var generator body; 2. a heat dissipation mechanism; 201. a case; 202. a semiconductor refrigeration sheet; 203. a connection box; 204. an electric fan; 205. a rotating electric machine; 206. a two-way threaded rod; 207. a bidirectional screw block; 208. a rotating lever; 209. a fan blade; 210. a gear; 211. toothed plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a high-voltage static var generator in this embodiment includes a static var generator body 1, and a heat dissipation mechanism 2 is fixedly mounted on the outer surface of the right side of the static var generator body 1.
It should be noted that, the static var generator body 1 refers to a device for performing dynamic reactive power compensation by using a bridge converter formed by fully-controlled power electronic devices, the static var generator body 1 is formed by connecting a bridge converter circuit in parallel or directly connecting the bridge converter circuit to a power grid in parallel through a reactor, and properly adjusting the phase and amplitude of the output voltage of the ac side of the bridge converter circuit or directly controlling the current of the ac side of the bridge converter circuit, so that the circuit absorbs or emits reactive current meeting the requirement, thereby achieving the purpose of dynamic reactive power compensation, and the static var generator body 1 can achieve a better heat dissipation effect through the heat dissipation mechanism 2.
The static var generator body 1 consists of three parts, including a control part, a power part and a starting part; the control part mainly comprises a computer, a control board card, a sampling board card, a driving board card and the like, and the power part works by adopting board card sampling, control chip calculation and driving board card trigger signals; the power part is the core of SVG and consists of an electric power semiconductor bridge converter, and the basic circuit structure of the power part is a voltage bridge inverter circuit; the starting part is also provided with a starting resistor and a bypass switch, and the starting resistor is connected in series in the whole loop to prevent the direct-current capacitor and the power device from being burnt out at the moment of starting.
In fig. 1 and 2, the heat dissipation mechanism 2 includes a box 201, a box 201 is fixedly installed on the outer surface of the right side of the static var generator body 1, a semiconductor refrigerating sheet 202 is fixedly installed on the outer surface of the right side of the box 201, a connection box 203 is fixedly installed on the outer surface of the right side of the semiconductor refrigerating sheet 202, an electric fan 204 is rotatably installed on the inner wall of the connection box 203, one end of the electric fan 204 is fixedly connected with an output shaft of a driving motor, the semiconductor refrigerating sheet 202 is similar to a refrigerator or an air conditioner, electrons can perform directional movement by forming a current loop between two different conductors, one end of the electrons can be brought to the other end of an electric field, one end of the electrons absorbs heat, and one end of the electrons releases heat, so that the heat end of the semiconductor refrigerating sheet 202 can be dissipated through the arrangement of the electric fan 204.
In fig. 2, fig. 3 and fig. 4, a rotary motor 205 is fixedly installed on the outer surface of the top of a box 201, a bidirectional threaded rod 206 is fixedly installed at the output shaft of the rotary motor 205, two bidirectional threaded blocks 207 are connected to the outer surface of the bidirectional threaded rod 206 in a threaded manner, rotating rods 208 are rotatably installed on the left sides of the two bidirectional threaded blocks 207, fan blades 209 are fixedly installed on the outer surfaces of the two rotating rods 208, gears 210 are fixedly installed on the outer surfaces of the two rotating rods 208, a toothed plate 211 is fixedly installed on the rear inner wall of the box 201, and the heat generated by the cold ends of semiconductor refrigerating sheets 202 can drive the two fan blades 209 to move under the driving of the rotary motor 205 and achieve the effect of rotation, so that the cold end wind of the semiconductor refrigerating sheets 202 is diffused, and the effect of internal heat dissipation of the static var generator body 1 is achieved.
In fig. 1, a vent is provided on the left outer surface of the static var generator body 1, a dust screen is fixedly installed in the vent, and heat in the static var generator body 1 can be discharged from the vent through cooperation between the vent and the dust screen.
In fig. 1 and 2, an air outlet is formed in the outer surface of the right side of the connection box 203, a filter screen is fixedly installed in the air outlet, the electric fan 204 can be driven by the air outlet and the filter screen, heat on the semiconductor refrigeration sheet 202 is blown away, and dust can be prevented from entering the connection box 203 by the filter screen.
In fig. 2 and 4, the right ends of both the rotation levers 208 are connected to the bi-directional screw block 207 through bearing blocks, and one ends of both the rotation levers 208 are rotated inside the bearing blocks.
In fig. 2, 3 and 4, two gears 210 are all located at the front side of the toothed plate 211, and the two gears 210 are all meshed with the outer surface of the toothed plate 211, and by setting the gears 210 and the toothed plate 211, the rotating rod 208 can be driven to rotate, and meanwhile, the movement of the bidirectional threaded block 207 can be limited, so that the purpose of rotating the fan blade 209 while moving up and down is achieved.
In fig. 2, the static var generator body 1 and the box 201 are communicated through the air outlet, so that cold air of the box 201 can be diffused into the static var generator body 1 through the communication between the static var generator body 1 and the box 201, and meanwhile, an opening is formed in the outer surface of the right side of the box 201, so that the cold end of the semiconductor refrigeration piece 202 is tightly attached to the box 201.
In fig. 2, a rotation hole adapted to the bi-directional threaded rod 206 is provided on the top outer surface of the case 201, and the bi-directional threaded rod 206 is rotationally connected with the rotation hole, so that the top of the bi-directional threaded rod 206 can rotate inside the rotation hole, and the bi-directional threaded rod 206 rotates with the case 201 through the rotation hole.
In practice, the method is carried out according to the following steps:
1) The fan blade 209 is driven by the rotary motor 205 to move up and down;
2) Then the cold air on the cold end of the semiconductor refrigeration piece 202 is diffused into the static var generator body 1;
3) Simultaneously, the fan blade 209 moves up and down and can rotate at the same time, so that the flaring is realized;
4) Finally, cold end wind of the semiconductor refrigerating sheet 202 is blown into the static var generator body 1, so that a heat dissipation effect is achieved.
In summary, in the high-voltage static var generator, the semiconductor cooling fin 202 is arranged at the cold end and the hot end when the semiconductor cooling fin 202 operates, the cold end of the semiconductor cooling fin 202 is fixedly installed with the box 201, the hot end is fixedly installed with the electric fan 204, the hot end dissipates heat through the operation of the electric fan 204, the heat generated at the cold end drives the bidirectional threaded rod 206 to rotate under the driving of the rotating motor 205, the bidirectional threaded rod 206 can drive the bidirectional threaded block 207 to move towards the opposite side or away from the opposite side during the rotation, thereby driving the fan blade 209 to realize the purpose of moving up and down through the two bidirectional threaded blocks 207, enlarging the heat dissipation area, driving the fan blade 209 to move and achieving the rotating effect simultaneously through the meshing between the gear 210 and the toothed plate 211, and diffusing the cold end wind of the semiconductor cooling fin 202 to realize the effect of radiating the inside the static var generator body 1.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a static var generator of high pressure, includes static var generator body (1), its characterized in that: the right outer surface of the static var generator body (1) is fixedly provided with a heat dissipation mechanism (2);
the heat dissipation mechanism (2) comprises a box body (201), the right side surface fixed mounting of static var generator body (1) has box (201), the right side surface fixed mounting of box (201) has semiconductor refrigeration piece (202), the right side surface fixed mounting of semiconductor refrigeration piece (202) has connection box (203), the inner wall rotation of connection box (203) is installed electric fan (204), the top surface fixed mounting of box (201) has rotating electrical machines (205), the output shaft department fixed mounting of rotating electrical machines (205) has two-way threaded rod (206), the surface threaded connection of two-way threaded rod (206) has a quantity of two-way thread piece (207), two the left side of two-way thread piece (207) is all rotated and is installed dwang (208), two the surface of dwang (208) is all fixed mounting flabellum (209), two the surface of dwang (208) is all fixed mounting has gear (210), the back inner wall fixed mounting pinion (211) of box (201).
2. A high voltage static var generator according to claim 1, characterized in that: the left outer surface of the static var generator body (1) is provided with a vent, and a dust screen is fixedly arranged in the vent.
3. A high voltage static var generator according to claim 1, characterized in that: an air outlet is formed in the outer surface of the right side of the connecting box (203), and a filter screen is fixedly arranged in the air outlet.
4. A high voltage static var generator according to claim 1, characterized in that: the right ends of the two rotating rods (208) are connected with the bidirectional threaded block (207) through bearing blocks.
5. A high voltage static var generator according to claim 1, characterized in that: both of the gears (210) are located at the front side of the toothed plate (211), and both of the gears (210) are engaged with the outer surface of the toothed plate (211).
6. A high voltage static var generator according to claim 1, characterized in that: the static var generator body (1) is communicated with the box body (201) through an air outlet.
7. A high voltage static var generator according to claim 1, characterized in that: the top surface of box (201) has seted up the commentaries on classics hole with two-way threaded rod (206) looks adaptation, and rotates between two-way threaded rod (206) and the commentaries on classics hole and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566963.5U CN219959899U (en) | 2023-09-21 | 2023-09-21 | High-voltage static var generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566963.5U CN219959899U (en) | 2023-09-21 | 2023-09-21 | High-voltage static var generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219959899U true CN219959899U (en) | 2023-11-03 |
Family
ID=88535747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322566963.5U Active CN219959899U (en) | 2023-09-21 | 2023-09-21 | High-voltage static var generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219959899U (en) |
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2023
- 2023-09-21 CN CN202322566963.5U patent/CN219959899U/en active Active
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