CN114696259A - Foreign matter accumulation preventing device for power grid - Google Patents
Foreign matter accumulation preventing device for power grid Download PDFInfo
- Publication number
- CN114696259A CN114696259A CN202210377059.7A CN202210377059A CN114696259A CN 114696259 A CN114696259 A CN 114696259A CN 202210377059 A CN202210377059 A CN 202210377059A CN 114696259 A CN114696259 A CN 114696259A
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- Prior art keywords
- magnetic pole
- rotating shaft
- arc cover
- layer
- heating
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- 238000009825 accumulation Methods 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 230000006698 induction Effects 0.000 claims abstract description 30
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 15
- 229920000728 polyester Polymers 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 7
- 229910021389 graphene Inorganic materials 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000005388 borosilicate glass Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 241000883990 Flabellum Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 244000000626 Daucus carota Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005770 birds nest Nutrition 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 235000005765 wild carrot Nutrition 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the field of power grid protection, in particular to a device for preventing foreign matter accumulation for a power grid. The memory alloy sheet is attached to the surface of the arc-shaped cover at normal temperature, the memory alloy sheet tilts after the heating device works, the heating device is attached to the inner layer of the arc-shaped cover, the rotating shaft penetrates through the hemispherical center of the arc-shaped cover, the upper part of the rotating shaft is provided with the fan blades, the lower part of the rotating shaft is provided with the induction device, the rotor magnetic pole of the induction device is fixed on the rotating shaft, and the arc-shaped cover is internally provided with the conversion control board and the storage battery. The invention provides power through the simple power supply device, and improves the application place of the invention.
Description
Technical Field
The invention relates to the field of power grid protection, in particular to a device for preventing foreign matter accumulation for a power grid.
Background
Because the open air of year is gone up to the platform of outdoor electric wire netting equipment or important line connection department, because unable washing is piled up more foreign matter easily throughout the year, like bird's droppings etc. these foreign matters paste on equipment, corrode equipment to lead to the emergence of accident. Some power grid equipment is arranged in a cell, and objects falling from nearby high-rise buildings are easy to adhere to the equipment, so that the equipment is broken down.
Disclosure of Invention
In view of the defects of the prior art, the invention provides a device for preventing foreign matter accumulation for a power grid. The invention automatically cleans foreign matters accumulated on equipment by memorizing two forms of the alloy sheet in heating and cooling states, and provides electric power by a simple power supply device, thereby improving the application place of the invention.
The technical scheme of the invention is as follows: a device for preventing foreign matter accumulation for a power grid comprises fan blades, a rotating shaft, an induction device, a memory alloy sheet, an arc cover, a heating device, a conversion control panel and a storage battery, wherein the arc cover is in a semi-sphere shape, the memory alloy sheet is attached to the surface of the arc cover at normal temperature, the memory alloy sheet tilts after the heating device works, the heating device is attached to the inner layer of the arc cover, the rotating shaft penetrates through the semi-sphere center of the arc cover, the fan blades are arranged on the upper portion of the rotating shaft, the induction device is arranged on the lower portion of the rotating shaft, a rotor magnetic pole of the induction device is fixed on the rotating shaft, the conversion control panel and the storage battery are arranged in the arc cover, the conversion control panel converts electric energy of the induction device into direct current to charge the storage battery, the memory alloy sheet is arranged on the arc cover, the heating device comprises a rubber layer, a heating layer, a conductive wire and a polyester layer, the two sides of the heating layer are provided with the conductive wire, the polyester layer is attached to the inner side of the arc cover, oppress the electric heating wire on the polyester layer through the rubber layer, induction system includes the stator yoke, the main magnetic pole, the secondary magnetic pole, the rotor magnetic pole, excitation winding, induction winding, stator yoke inside evenly distributed sets up 6 main magnetic poles, increase on every main magnetic pole and set up the secondary magnetic pole, distance between two adjacent secondary magnetic poles is the twice of secondary magnetic pole width, the rotor magnetic pole is the same with the width of secondary magnetic pole, the secondary magnetic pole staggers the distance of a secondary magnetic pole width in proper order, excitation winding arranges in the main magnetic pole clearance of two maximum intervals 180 degrees apart from, induction winding surrounds the main magnetic pole respectively, the conversion control panel circuit includes that three way constitutes rectifier bridge circuit and voltage stabilizing circuit by 4 diodes.
The device for preventing foreign matter accumulation for power grid as described above, characterized in that: the sealing device is arranged at the joint of the rotating shaft and the arc cover.
The device for preventing foreign matter accumulation for power grid as described above, characterized in that: the arc cover is made of high borosilicate glass, metal and the like.
The device for preventing foreign matter accumulation for the power grid is characterized in that: the heating layer is an electric heating wire.
The device for preventing foreign matter accumulation for the power grid is characterized in that: the heating layer is a graphene composite coating, the heating device further comprises a reflecting film, the rubber layer is flexible rubber, and the reflecting film is a tin foil.
The device for preventing foreign matter accumulation for the power grid is characterized in that: the voltage stabilizing circuit comprises a first resistor R1, a capacitor C and a fifth diode D13, wherein the first resistor R1 is connected with the capacitor C in parallel and then connected with the diode D13 in series, and the voltage stabilizing circuit is connected with a charging interface of the storage battery.
The invention has the beneficial effects that: the adhesive can be automatically cleaned, and the circuit is simplified by optimizing the induction device.
Drawings
FIG. l is a schematic view of the structure of the present invention.
FIG. 2 is a schematic diagram of a memory alloy sheet in an expanded configuration.
Fig. 3 is a top view of a memory alloy sheet.
FIG. 4 is a schematic view of the structure of the heating layer and the conductive wire.
Fig. 5 is a schematic diagram of power supply of the heat generating layer.
Fig. 6 is a structural view of the electric power forwarding apparatus.
Fig. 7 is a cross-sectional view of the sensing device.
FIG. 8 is a schematic diagram of a rectifier bridge circuit and a voltage regulator circuit.
Description of reference numerals: the device comprises fan blades 1, a rotating shaft 2, an induction device 3, a stator magnetic yoke 31, a main magnetic pole 32, a secondary magnetic pole 33, a rotor magnetic pole 34, an excitation winding 35, an induction winding 36, a memory alloy sheet 4, an arc cover 5, a heating device 6, a reflecting film 61, a rubber layer 62, a heating layer 63, a conductive wire 64, a polyester layer 65, a sealing device 7, a conversion control board 8 and a storage battery X.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in fig. 1 to 7, the device for preventing foreign matter accumulation for a power grid of the present invention includes a fan blade 1, a rotating shaft 2, an induction device 3, a memory alloy sheet 4, an arc-shaped cover 5, a heating device 6, a sealing device 7, a conversion control board 8, and a storage battery X, wherein the arc-shaped cover 5 is semi-spherical, and the memory alloy sheet 4 is attached to the surface of the arc-shaped cover 5 at a normal temperature, as shown in fig. 1; after the heating device 6 is operated, the memory alloy sheet 4 is tilted, as shown in fig. 2, and fig. 3 is a plan view of the memory alloy sheet 4. The heating device 6 is attached to the inner layer of the arc cover 5. The arc-shaped cover 5 may be high borosilicate glass, metal, or the like. High borosilicate glasses are preferred, which do not readily oxidize. The arc cover 5 can also be made of high borosilicate glass on the outer layer and metal on the inner layer, and adopts a double-layer structure, so that oxidation can be avoided, and the overall impact resistance of the equipment is improved. The rotating shaft 2 passes through the semi-spherical center of the arc-shaped cover 5, the fan blades 1 are arranged at the upper part of the rotating shaft 2, and the induction device 3 is arranged at the lower part of the rotating shaft, as shown in fig. 1, 2 and 6. The rotor magnetic pole 34 of the induction device 3 is fixed on the rotating shaft 2, so that the wind force pushes the fan blades 1 to rotate the rotating shaft 2, and synchronously drives the rotor magnetic pole 34 to rotate. Set up conversion control panel 8, battery X in the arc cover 5, conversion control panel 8 converts induction system 3's electric energy into the direct current and charges for battery X, and conversion control panel 8 also can control battery X's output simultaneously, for example intermittent type several minutes gives the power supply for heating device 6. The invention can be independently placed outdoors for long-term work, and ensures that the upper part of the protected equipment cannot retain a large amount of garbage or corrosive substances. The invention can also comprise a sealing device 7, wherein the sealing device 7 is arranged at the joint of the rotating shaft 2 and the arc-shaped cover 5 to ensure that water does not enter the inside.
As shown in fig. 3 and 4, the heating device 6 of the present invention includes a rubber layer 62, a heating layer 63, a conductive wire 64 and a polyester layer 65, wherein the conductive wire 64 is disposed on both sides of the heating layer 63, and the conductive wire 64 heats the heating device 6 after being connected to a power supply. The heating layer 63 can be an electric heating wire, namely the electric heating wire is attached to the inner side of the arc-shaped cover 5 through the polyester layer 65, the electric heating wire is pressed on the polyester layer 65 through the rubber layer 62, and the rubber layer 62 and the polyester layer 65 ensure that the whole equipment is insulated from the outside in the working process, so that the device can be used on high-voltage power distribution equipment. The temperature range of the heating device 6 of the invention is determined according to the deformation temperature of the memory alloy sheet 4, if the deformation temperature of the memory alloy sheet 4 is 60 ℃, the temperature of the heating device should be high-pressure 60 ℃, if the temperature is selected to be more than 80 ℃, so as to ensure that the memory alloy sheet 4 can be deformed under the condition of external air cooling. As shown in fig. 4 and 5, the memory alloy sheet 4 of the present invention is mounted on the arc-shaped cover 5 in a sheet form, and is opened upward in the memory alloy sheet 4 in a heated state, so that it is possible to prevent bird's nests from being fixed to the power grid apparatus.
As shown in fig. 3 and 4, the heating layer 63 of the present invention is a graphene composite coating, the heating device 6 further includes a reflective film 61, and the rubber layer 62 is flexible rubber, so that the reflective film, the flexible rubber, the graphene composite coating, the conductive wire and the polyester can be sequentially laminated and rolled in the manufacturing process of the heating device 6. The radian of the heating device 6 can be set according to the radian of the arc cover 5 in the rolling process. As shown in fig. 3, when the graphene composite coating is adopted, the conductive wires are powered by a semicircular arc surface, a plurality of conductive wires are arranged on two sides of the graphene composite coating, the conductive wires are in contact with the graphene composite coating for power supply, and the rubber layer and the polyester layer 65 on the two sides play a role in fixing the conductive wires while insulating, so that the device is flexible as a whole and is convenient to fix on the inner side of the arc-shaped cover 5. The reflective film 61 may be a tin foil, which emits heat in the direction of the arc-shaped cover 5.
As shown in fig. 7, the induction device 3 of the present invention includes a stator yoke 31, a main pole 32, a sub-pole 33, a rotor pole 34, an excitation winding 35, and a sensing winding 36, wherein 6 main poles 32 are uniformly distributed in the stator yoke 31, and each main pole 32 includes a1 phase and an a2 phase; b1, B2 phase; c1, C2 phase. Each main magnetic pole 32 is additionally provided with a secondary magnetic pole 33, the distance between two adjacent secondary magnetic poles 33 is twice the width of the secondary magnetic pole 33, the width of the rotor magnetic pole 34 is the same as that of the secondary magnetic pole 33, and A, B, C three-phase secondary magnetic poles 33 are sequentially staggered by the width of one secondary magnetic pole, so that when the rotor rotates, the rotor magnetic poles are sequentially optimally coupled with A, B, C three-phase secondary magnetic poles. In the present invention, the excitation winding 35 is disposed in the gap between the two main poles 32 with the maximum distance of 180 degrees, and the induction winding 36 surrounds A, B, C the three-phase main poles 32 respectively. In the invention, the sum of the coupling areas of the rotor magnetic pole 34 and the three-phase stator secondary magnetic pole 33 on the stator is kept unchanged, and the air gap is also kept unchanged, so that the magnetic resistance of the whole magnetic circuit is basically unchanged, and the sum of the magnetic fluxes in the magnetic circuit is also basically kept unchanged. The width of the secondary magnetic pole 33 is not influenced by the main magnetic pole 32 and the induction winding 36, and can be designed to be as small as possible, so that the number of the rotor magnetic poles of the rotor magnetic pole 34 is increased, the induced electromotive force is improved at a lower rotating speed, and the output frequency can be improved by increasing the number of the rotor magnetic poles. This is advantageous for converting the generated ac power to dc power at a later time.
As shown in fig. 8, the circuit of the conversion control board 8 of the present invention includes three circuits, i.e., a rectifier bridge circuit 5, a rectifier bridge circuit two 6, and a rectifier bridge circuit three 7, which are composed of 4 diodes, and the rectifier bridge circuits are respectively connected to A, B, C three-phase outputs to convert ac power into dc power.
As shown in fig. 8, the voltage stabilizing circuit of the present invention includes a first resistor R1, a capacitor C, and a fifth diode D13, wherein the first resistor R1 is connected in parallel with the capacitor C and then connected in series with the diode D13, and the voltage stabilizing circuit is connected with the charging interface of the battery X, in the present invention, because the number of magnetic poles of the rotor of the induction device 3 is increased, the output frequency is increased, after the three-phase electricity output by the induction device 3 is connected in parallel through the rectifier bridge circuit, the fluctuation range of the dc voltage is already small, and f is 60P n; wherein f is the output voltage frequency of the induction device; p is the number of poles of rotor pole 34; n: when the number of the magnetic poles of the rotor is 5, the rotating speed is 5 r/min, and the output frequency can reach 1500, so that the device can provide reliable charging voltage for the storage battery X through a simple voltage stabilizing circuit after passing through a rectifier bridge circuit, and can normally work under the condition of low wind power. A fuse D can be additionally arranged between the voltage stabilizing circuit and the storage battery X.
The device is arranged on important outdoor power grid equipment, can regularly dry and heat objects of the arc-shaped cover 5, such as stuck bird droppings or other foreign matters, and can also prevent birds from gathering or nesting on the equipment. The induction device has high output frequency, can supply power to the storage battery through simple rectification, and can effectively protect outdoor equipment for a long time.
Claims (6)
1. The utility model provides a prevent accumulational device of foreign matter for electric wire netting, includes flabellum, pivot, induction system, memory alloy piece, arc cover, the device that generates heat, conversion control panel, battery, and the arc cover is the hemisphere shape, its characterized in that: the memory alloy sheet is attached to the surface of the arc cover in a normal temperature state, the memory alloy sheet tilts after the heating device works, the heating device is attached to the inner layer of the arc cover, the rotating shaft penetrates through the semi-spherical center of the arc cover, the upper part of the rotating shaft is provided with fan blades, the lower part of the rotating shaft is provided with an induction device, the rotor magnetic pole of the induction device is fixed on the rotating shaft, a conversion control board and a storage battery are arranged in the arc cover, the conversion control board converts the electric energy of the induction device into direct current to charge the storage battery, the memory alloy sheet is arranged on the arc cover and comprises a rubber layer, a heating layer, conductive wires and a polyester layer, the conductive wires are arranged on two sides of the heating layer, the polyester layer is attached to the inner side of the arc cover, the electric heating wires are pressed on the polyester layer through the rubber layer, the induction device comprises a stator magnet yoke, a main magnetic pole, a secondary magnetic pole, a rotor magnetic pole, an excitation winding and an induction winding, 6 main magnetic poles are uniformly distributed in the stator magnet yoke, each main magnetic pole is additionally provided with a secondary magnetic pole, the distance between every two adjacent secondary magnetic poles is twice the width of the secondary magnetic pole, the width of the rotor magnetic pole is the same as that of the secondary magnetic poles, the secondary magnetic poles are sequentially staggered by the width of one secondary magnetic pole, the excitation winding is arranged in the gap between the two main magnetic poles with the maximum distance of 180 degrees, the induction winding respectively surrounds the main magnetic poles, and the conversion control panel circuit comprises three paths of rectifier bridge circuits and voltage stabilizing circuits, wherein each rectifier bridge circuit is composed of 4 diodes.
2. A device for preventing accumulation of foreign matters for power grids according to claim 1, wherein: the sealing device is arranged at the joint of the rotating shaft and the arc cover.
3. A device for preventing accumulation of foreign matters for power grids according to claim 1, wherein: the arc cover is made of high borosilicate glass or metal.
4. A device for preventing accumulation of foreign matters for power grids according to claim 1, wherein: the heating layer is an electric heating wire.
5. A device for preventing accumulation of foreign matters for power grids according to claim 1, wherein: the heating layer is a graphene composite coating, the heating device further comprises a reflecting film, the rubber layer is flexible rubber, and the reflecting film is tinfoil.
6. A device for preventing accumulation of foreign matters for power grids according to claim 1, wherein: the voltage stabilizing circuit comprises a first resistor R1, a capacitor C and a fifth diode D13, wherein the first resistor R1 is connected with the capacitor C in parallel and then connected with the diode D13 in series, and the voltage stabilizing circuit is connected with a charging interface of the storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210377059.7A CN114696259B (en) | 2022-04-12 | 2022-04-12 | Foreign matter accumulation preventing device for power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210377059.7A CN114696259B (en) | 2022-04-12 | 2022-04-12 | Foreign matter accumulation preventing device for power grid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114696259A true CN114696259A (en) | 2022-07-01 |
| CN114696259B CN114696259B (en) | 2023-11-10 |
Family
ID=82143769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210377059.7A Active CN114696259B (en) | 2022-04-12 | 2022-04-12 | Foreign matter accumulation preventing device for power grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114696259B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08280124A (en) * | 1995-04-07 | 1996-10-22 | Furukawa Electric Co Ltd:The | Overhead line |
| JP2003189447A (en) * | 2001-12-17 | 2003-07-04 | Akutaato:Kk | Bird-and-beast hazard protective cover for power transmission line suspension device |
| CN202101085U (en) * | 2011-06-16 | 2012-01-04 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| KR101293326B1 (en) * | 2012-02-07 | 2013-08-06 | 금오공과대학교 산학협력단 | Very convenient shelter using energy from sun for bus stop |
| CN106025911A (en) * | 2016-05-26 | 2016-10-12 | 沈炜 | Cable maintenance cutter |
| CN206043227U (en) * | 2016-08-31 | 2017-03-29 | 福建爱迪生科技有限公司 | A kind of transmission facility bird-proof cover |
| CN107836444A (en) * | 2017-12-05 | 2018-03-27 | 成都市创斯德机电设备有限公司 | One kind insulation wind-force variation bird-scaring unit |
| CN109888939A (en) * | 2019-02-11 | 2019-06-14 | 邱东平 | A kind of two-stage magnetic pole improves the method and straight hair motor of flux change frequency |
| CN209029872U (en) * | 2018-11-23 | 2019-06-25 | 新疆送变电有限公司 | Preventing guano flashover protective device |
| CN214960391U (en) * | 2021-01-28 | 2021-11-30 | 熊德垒 | Air cooling device for heat dissipation of wind power converter cabinet |
-
2022
- 2022-04-12 CN CN202210377059.7A patent/CN114696259B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08280124A (en) * | 1995-04-07 | 1996-10-22 | Furukawa Electric Co Ltd:The | Overhead line |
| JP2003189447A (en) * | 2001-12-17 | 2003-07-04 | Akutaato:Kk | Bird-and-beast hazard protective cover for power transmission line suspension device |
| CN202101085U (en) * | 2011-06-16 | 2012-01-04 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| KR101293326B1 (en) * | 2012-02-07 | 2013-08-06 | 금오공과대학교 산학협력단 | Very convenient shelter using energy from sun for bus stop |
| CN106025911A (en) * | 2016-05-26 | 2016-10-12 | 沈炜 | Cable maintenance cutter |
| CN206043227U (en) * | 2016-08-31 | 2017-03-29 | 福建爱迪生科技有限公司 | A kind of transmission facility bird-proof cover |
| CN107836444A (en) * | 2017-12-05 | 2018-03-27 | 成都市创斯德机电设备有限公司 | One kind insulation wind-force variation bird-scaring unit |
| CN209029872U (en) * | 2018-11-23 | 2019-06-25 | 新疆送变电有限公司 | Preventing guano flashover protective device |
| CN109888939A (en) * | 2019-02-11 | 2019-06-14 | 邱东平 | A kind of two-stage magnetic pole improves the method and straight hair motor of flux change frequency |
| CN214960391U (en) * | 2021-01-28 | 2021-11-30 | 熊德垒 | Air cooling device for heat dissipation of wind power converter cabinet |
Non-Patent Citations (1)
| Title |
|---|
| 崔蕊;: "新型金属材料在冶金行业电气设备的应用研究", 中国金属通报, no. 11, pages 160 * |
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| Publication number | Publication date |
|---|---|
| CN114696259B (en) | 2023-11-10 |
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