CN114696259B - Foreign matter accumulation preventing device for power grid - Google Patents
Foreign matter accumulation preventing device for power grid Download PDFInfo
- Publication number
- CN114696259B CN114696259B CN202210377059.7A CN202210377059A CN114696259B CN 114696259 B CN114696259 B CN 114696259B CN 202210377059 A CN202210377059 A CN 202210377059A CN 114696259 B CN114696259 B CN 114696259B
- Authority
- CN
- China
- Prior art keywords
- arc
- shaped cover
- magnetic poles
- layer
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009825 accumulation Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 230000006698 induction Effects 0.000 claims abstract description 29
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 13
- 229920000728 polyester Polymers 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 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
- 229910021389 graphene Inorganic materials 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000005485 electric heating Methods 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
- 241000883990 Flabellum Species 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005770 birds nest Nutrition 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
- 230000005284 excitation Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000002515 guano Substances 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
- 239000011295 pitch Substances 0.000 description 1
- 238000005096 rolling process 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
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 foreign matter accumulation preventing device 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 is tilted 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 center of the semicircle sphere of the arc-shaped cover, the fan blades are arranged on the upper part of the rotating shaft, the induction device is arranged on the lower part of the rotating shaft, the rotor magnetic pole of the induction device is fixed on the rotating shaft, and the conversion control board and the storage battery are arranged in the arc-shaped cover. The invention provides power through the simple power supply device, thereby improving the application place of the invention.
Description
Technical Field
The invention relates to the field of power grid protection, in particular to a foreign matter accumulation preventing device for a power grid.
Background
Outdoor power grid equipment or a platform at an important line connection part can be cleaned all the year round for tired month, so that more foreign matters such as bird droppings and the like are easily accumulated, are adhered to the equipment and corrode the equipment, and further cause accidents. Some power grid equipment is arranged in a cell, and objects falling from nearby high buildings are easy to stick to the equipment, so that the equipment fails.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a foreign matter accumulation prevention device for a power grid. According to the invention, foreign matters accumulated on equipment are automatically cleaned through two forms of heating and cooling states of the memory alloy sheet, and the simple power supply device is used for providing power, so that the application place of the invention is improved.
The technical scheme of the invention is as follows: the utility model provides a device for preventing foreign matter is piled up of electric wire netting, including the flabellum, the rotating shaft, induction system, the memory alloy piece, the arc cover, heating device, conversion control panel, the battery, the arc cover is semicircle sphere, the memory alloy piece is laminating at the arc cover surface under normal atmospheric temperature state, heating device work back memory alloy piece perk, heating device laminating sets up at the arc cover inlayer, the rotating shaft passes the hemispherical center of arc cover, pivot upper portion sets up the flabellum, the lower part sets up induction system, induction system's rotor magnetic pole is fixed at the rotating shaft, set up conversion control panel in the arc cover, the battery, conversion control panel is with induction system's electric energy conversion for direct current for battery charging, the memory alloy piece is the piece setting on the arc cover, heating device includes the rubber layer, conducting wire and polyester layer, the both sides of heating layer set up conducting wire, the polyester layer laminating is inboard at the arc cover, press 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, rotor magnetic pole, excitation winding, the inside evenly distributed of stator yoke sets up 6 main magnetic poles, increase and set up secondary magnetic pole, the distance is two secondary magnetic poles, the distance is the secondary magnetic pole width is the secondary magnetic pole, the width is the same with the secondary magnetic pole, the secondary magnetic pole width is the two-phase-separated from the primary magnetic pole width of the primary magnetic pole, the secondary magnetic pole is two-pole width of the maximum magnetic pole and the secondary magnetic pole is set, the two-phase-step-width of the magnetic pole is 180, and the primary magnetic pole bridge width, and the primary magnetic pole bridge and the magnetic pole bridge width is set, and the primary magnetic pole bridge and the magnetic pole width, and the magnetic pole width is 180, and the magnetic pole and magnetic pole.
A device for preventing foreign matter accumulation for an electrical network as described above, wherein: the sealing device is arranged at the joint of the rotating shaft and the arc-shaped cover.
A device for preventing foreign matter accumulation for an electrical network as described above, wherein: the arc-shaped cover is made of high borosilicate glass, metal and the like.
A device for preventing foreign matter accumulation for an electrical network as described above, wherein: the heating layer is an electric heating wire.
A device for preventing foreign matter accumulation for an electrical network as described above, 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 tin foil.
A device for preventing foreign matter accumulation for an electrical network as described above, 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 storage battery charging interface.
The beneficial effects of the invention are as follows: the adhesive can be automatically cleaned, and the circuit is simplified by optimizing the induction device.
Drawings
Fig. l is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view showing the structure of the memory alloy sheet.
FIG. 3 is a top view of a memory alloy sheet.
Fig. 4 is a schematic diagram of the structure of the heat generating layer and the conductive wire.
FIG. 5 is a schematic diagram of the heat generating layer power supply.
Fig. 6 is a block diagram of the power forwarding device.
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 stabilizing circuit.
Reference numerals illustrate: fan blade 1, rotation shaft 2, induction device 3, stator yoke 31, main magnetic pole 32, secondary magnetic pole 33, rotor magnetic pole 34, exciting winding 35, induction winding 36, memory alloy sheet 4, arc cover 5, heating device 6, reflecting film 61, rubber layer 62, heating layer 63, conductive wire 64, polyester layer 65, sealing device 7, conversion control board 8, and battery X.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the foreign matter accumulation prevention device for the power grid of the invention comprises 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 in a semicircle shape, and the memory alloy sheet 4 is attached to the surface of the arc-shaped cover 5 in a normal temperature state, as shown in fig. 1; after the heating device 6 works, the memory alloy sheet 4 is tilted, as shown in fig. 2, and fig. 3 is a top view of the memory alloy sheet 4. The heating device 6 is arranged on the inner layer of the arc-shaped cover 5 in a fitting way. The arc cover 5 may be borosilicate glass, metal, etc. Preferably high borosilicate glass, which is not easily oxidized. The arc cover 5 can also be made of high borosilicate glass as the outer layer and metal as 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 center of the semicircle sphere of the arc-shaped cover 5, the fan blade 1 is 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 blade 1 to rotate the rotating shaft 2, and synchronously drives the rotor magnetic pole 34 to rotate. The arc-shaped cover 5 is internally provided with a conversion control board 8 and a storage battery X, the conversion control board 8 converts the electric energy of the induction device 3 into direct current to charge the storage battery X, and meanwhile, the conversion control board 8 can also control the output of the storage battery X, for example, the intermittent operation is performed for a plurality of minutes to supply power to the heating device 6. The invention can be independently placed outdoors to work for a long time, and ensures that the upper part of the protected equipment cannot retain a large amount of garbage or have corrosive articles. 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 so as to ensure that water does not enter the interior.
As shown in fig. 3 and 4, the heating device 6 of the present invention includes a rubber layer 62, a heating layer 63, conductive wires 64 and a polyester layer 65, wherein the conductive wires 64 are provided on both sides of the heating layer 63, and the heating device 6 is heated after the conductive wires 64 are connected to a power source. The heating layer 63 of the invention can be an electric heating wire, namely, the polyester layer 65 is attached to the inner side of the arc-shaped cover 5 through the electric heating wire, 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 of the invention can be used on high-voltage distribution equipment. The temperature range of the heating device 6 of the present invention depends on the deformation temperature of the memory alloy sheet 4, and if the deformation temperature of the memory alloy sheet 4 is 60 ℃, the temperature of the heating device should be high pressure 60 ℃, for example, 80 ℃ or more is selected, so as to ensure that the memory alloy sheet 4 can deform under the condition of external air cooling. As shown in fig. 4 and 5, the memory alloy sheet 4 of the present invention is provided in a sheet-like fashion on the arc-shaped cover 5, and is opened upward in the memory alloy sheet 4 in a heated state, so that the bird nest can be prevented from being fixed on the power grid device.
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 stacked and rolled in the manufacturing process of the heating device 6. The invention can set the radian of the heating device 6 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 cambered surface, a plurality of conductive wires are arranged on two sides of the graphene composite coating, the conductive wires are powered by contact with the graphene composite coating, and the rubber layers and the polyester layers 65 on two sides play a role in fixing the conductive wires while insulating, so that the device is flexible in whole and is convenient to fix on the inner side of the arc cover 5. The reflective film 61 may be tin foil so as to emit heat in the direction of the arc cover 5.
As shown in fig. 7, the induction device 3 of the present invention includes a stator yoke 31, a main magnetic pole 32, a sub magnetic pole 33, a rotor magnetic pole 34, an exciting winding 35, and an induction winding 36, wherein 6 main magnetic poles 32 are uniformly distributed in the stator yoke 31, and the main magnetic poles 32 include phases A1 and A2; b1, B2 phases; and C1 and C2 phases. 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 widths of the rotor magnetic poles 34 and the secondary magnetic poles 33 are the same, and the secondary magnetic poles 33 of A, B, C three phases are staggered by one secondary magnetic pole width in sequence, so that when the rotor rotates, the rotor magnetic poles are in optimal coupling with the secondary magnetic poles of A, B, C three phases in sequence. In the present invention, the exciting windings 35 are placed in the gaps of the main poles 32 at the two maximum pitches of 180 degrees, and the induction windings 36 respectively surround the main poles 32 of A, B, C three phases. In the invention, the sum of the coupling areas of the rotor magnetic pole 34 and the three-phase stator sub-magnetic pole 33 on the stator is kept unchanged, and the air gap is also unchanged, so that the magnetic resistance of the whole magnetic circuit is basically unchanged, and the sum of magnetic fluxes in the magnetic circuit is basically kept unchanged. The width of the secondary magnetic pole 33 is not affected 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 rotor magnetic poles corresponding to the rotor magnetic pole 34 is increased, thereby realizing the improvement of the induced electromotive force at a lower rotating speed, and the output frequency can be improved by the increase of the number of rotor magnetic poles. This facilitates the subsequent conversion of the generated alternating current into direct current.
As shown in fig. 8, the circuit of the conversion control board 8 of the present invention includes three circuits including a rectifier bridge circuit and a voltage stabilizing circuit, which are respectively a rectifier bridge circuit one 5, a rectifier bridge circuit two 6, and a rectifier bridge circuit three 7, and the rectifier bridge circuits are respectively connected with a A, B, C three-phase output 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 a charging interface of a storage battery X, in the present invention, since the number of poles of a rotor of the induction device 3 is increased, the output frequency is increased, after three phases of electricity output by the induction device 3 are connected in parallel through a rectifier bridge circuit, the fluctuation amplitude of the direct current voltage is smaller, and f=60×p×n; wherein f is the frequency of the output voltage of the induction device; p is the number of poles of the rotor pole 34; n: when the number of the magnetic poles is 5 and the rotating speed is 5 rpm, 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 the rectifier bridge circuit, and can realize normal operation under the condition of smaller wind power. A fuse D can be added 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 the articles of the arc-shaped cover 5, such as stuck guano or other foreign matters, and can 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 device for preventing foreign matter is piled up for electric wire netting, includes flabellum, pivot, induction system, memory alloy piece, arc cover, heating device, conversion control panel, battery, and arc cover is semicircle sphere, its characterized in that: the memory alloy sheet is attached to the surface of the arc-shaped cover at normal temperature, the memory alloy sheet is tilted 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 center of the semicircle of the arc-shaped cover, the fan blades are arranged on the upper part of the rotating shaft, the induction device is arranged on the lower part of the rotating shaft, the rotor magnetic poles of the induction device are fixed on the rotating shaft, the conversion control board and the storage battery are arranged in the arc-shaped 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-shaped cover for the sheet, the heating device comprises a rubber layer, a heating layer, conductive wires and a polyester layer, the conductive wires are arranged on the two sides of the heating layer, the polyester layer, the heating layer and the rubber layer are sequentially arranged on the inner side of the arc-shaped cover, the polyester layer is attached to the inner side of the arc-shaped cover, the heating layer is pressed on the polyester layer through the rubber layer, the induction device comprises a stator yoke, main magnetic poles, secondary magnetic poles, rotor magnetic poles, exciting windings and induction windings, 6 main magnetic poles are uniformly distributed in the stator yoke, the secondary magnetic poles are additionally arranged on each main magnetic pole, the distance between every two adjacent secondary magnetic poles is twice the width of each secondary magnetic pole, the widths of the rotor magnetic poles and the secondary magnetic poles are the same, the secondary magnetic poles are staggered by the distance of one secondary magnetic pole width in sequence, the exciting windings are arranged in gaps between the two main magnetic poles at the maximum intervals of 180 degrees, the induction windings respectively encircle the main magnetic poles, and the conversion control board circuit comprises a rectifier bridge circuit and a voltage stabilizing circuit which are composed of three-route 4 diode groups.
2. A foreign matter accumulation prevention apparatus for an electrical network according to claim 1, wherein: the sealing device is arranged at the joint of the rotating shaft and the arc-shaped cover.
3. A foreign matter accumulation prevention apparatus for an electrical network according to claim 1, wherein: the arc-shaped cover is made of high borosilicate glass or metal.
4. A foreign matter accumulation prevention apparatus for an electrical network according to claim 1, wherein: the heating layer is an electric heating wire.
5. A foreign matter accumulation prevention apparatus for an electrical network 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 tin foil.
6. A foreign matter accumulation prevention apparatus for an electrical network 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 fifth diode D13 in series, and the voltage stabilizing circuit is connected with a storage battery charging interface.
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 CN114696259A (en) | 2022-07-01 |
| CN114696259B true 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 |
|---|
| 新型金属材料在冶金行业电气设备的应用研究;崔蕊;;中国金属通报(第11期);第160、162页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114696259A (en) | 2022-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chan et al. | An axial-flux permanent-magnet synchronous generator for a direct-coupled wind-turbine system | |
| TW522202B (en) | A wind power plant and a method for control | |
| US20100139735A1 (en) | Solar Energy Conversion Articles and Methods of Making and Using Same | |
| CN109154277A (en) | Unit for solar energy and wind energy utilization | |
| RU2551913C1 (en) | All-season vertical hybrid power unit | |
| CN114696259B (en) | Foreign matter accumulation preventing device for power grid | |
| CN205883116U (en) | Distributing type photovoltaic power generation device | |
| WO2004017364A2 (en) | Solar electric alternating current generator | |
| CN202309190U (en) | Chargeable type electronic device | |
| CN104539023A (en) | Wind power generation and power supply system based on grid power complementation | |
| Eriksson et al. | Design of a unique direct driven PM generator adapted for a telecom tower wind turbine | |
| CN208546264U (en) | A kind of ventilation fan Wind energy collecting device | |
| CN207782491U (en) | A kind of cable bushing circular current sensing electricity getting device | |
| CN206726894U (en) | A kind of outdoor electric transformer protects ceiling | |
| CN207783331U (en) | A kind of wisdom public security O＆M control cabinet with housing environment control mechanism | |
| CN205882732U (en) | Distributed photovoltaic power generation system | |
| CN105048654A (en) | Electric field overhead line wireless energy taking device | |
| CN206972427U (en) | A kind of multistage wind energy and solar energy composite generating set | |
| CN213684393U (en) | Unpowered power generation device | |
| CN204858345U (en) | 35kV cable switching station photovoltaic power supply exhaust device | |
| CN114597840B (en) | Device for preventing bird nesting of power distribution equipment | |
| CN104200978B (en) | A kind of current transformer intelligent electricity-fetching method | |
| CN219843298U (en) | Energy storage power cabinet capable of being alternately and directly converted | |
| CN211529721U (en) | Novel energy-saving dry-type transformer | |
| CN209434993U (en) | A kind of wind driven generator insulating structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |