CN114088984B - Power operation test device suitable for flexible direct-current transmission converter valve sub-module - Google Patents
Power operation test device suitable for flexible direct-current transmission converter valve sub-module Download PDFInfo
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- CN114088984B CN114088984B CN202111451280.4A CN202111451280A CN114088984B CN 114088984 B CN114088984 B CN 114088984B CN 202111451280 A CN202111451280 A CN 202111451280A CN 114088984 B CN114088984 B CN 114088984B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a power operation test device suitable for a flexible direct current power transmission converter valve submodule, which comprises a test equipment body, wherein heat dissipation holes are formed in two sides of the test equipment body, and a rotary opening and closing heat dissipation mechanism is arranged in the test equipment body, and relates to the technical field of direct current. Through setting up the rotatory heat dissipation mechanism that opens and shuts, when the rotor plate rotation keeps vertical state, open the air of test equipment body top seal, make the test equipment body also communicate through top and the outside air of test equipment body, thereby carry out the heat exchange heat dissipation to test equipment body inside, then automatic when test equipment body inside temperature risees, open the heat dissipation channel at test equipment body top and dispel the heat, and under normal radiating temperature, can not open the heat dissipation channel at test equipment body top, thereby keep the inside dustproof effect of test equipment body.
Description
Technical Field
The invention relates to the technical field of direct current, in particular to a power operation test device suitable for a flexible direct current transmission converter valve submodule.
Background
"direct current", also known as "constant current", is a kind of direct current, which is a direct current with a constant magnitude and direction, and the direct current is a unidirectional flow or movement of electric charges, usually electrons. The current density varies with time, but generally the direction of movement is the same at all times. As an adjective, DC can be used for the reference voltage (its polarity never changes). At present, equipment suitable for flexible direct current power transmission and power operation tests of converter valve submodules is high in working calorific value, manual real-time watching is needed under high-load working, and targeted heat dissipation adjustment cannot be intelligently and automatically performed on the equipment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a power operation test device suitable for a flexible direct-current transmission converter valve submodule, and solves the problems.
The power operation test device suitable for the flexible direct current transmission converter valve submodule comprises a test equipment body, wherein heat dissipation holes are formed in two sides of the test equipment body, and a rotary opening and closing heat dissipation mechanism is arranged in the test equipment body;
the rotary opening and closing heat dissipation mechanism comprises a gas storage tank, a gas inlet hole, a gas outlet hole, a magnet slider, a sliding groove, a rotating plate and a magnetic block A, wherein the gas storage tank is arranged inside the testing equipment body, the gas inlet hole is arranged inside the gas storage tank, the gas outlet hole is arranged inside the sliding groove, the sliding groove is arranged inside the testing equipment body, the outer wall of the magnet slider is in sliding connection with the inner wall of the sliding groove, the front side and the back side of the rotating plate are fixedly connected with a rotating shaft, the other end of the rotating shaft is in rotary connection with the front side and the back side of the inner wall of the testing equipment body through a bearing, the outer wall of the magnetic block A is fixedly connected inside the rotating plate, and a heat dissipation area expansion mechanism is arranged inside the rotating plate;
the heat dissipation area expansion mechanism comprises a push block and an elastic rope, the outer wall of the push block is connected with the inner wall of the rotating plate in a sliding mode, one end of the push block is fixedly connected with one end of the elastic rope, the other end of the elastic rope is fixedly connected with the inner wall of the rotating plate, and an opening and closing ash removal mechanism is arranged inside the rotating plate;
the ash removal mechanism that opens and shuts includes open-close plate, commentaries on classics piece outer wall and rotor plate outer wall sliding connection, open-close plate one end and commentaries on classics piece outer wall fixed connection.
Preferably, the heat dissipation area enlarging mechanism further comprises a magnetic block B, and the outer wall of the magnetic block B is fixedly connected inside the push block.
Preferably, the deashing mechanism that opens and shuts still includes limiting plate, arc wall, scraper blade, open-close plate outer wall and limiting plate one end fixed connection, limiting plate outer wall and arc wall inner wall sliding connection, the arc wall is seted up inside the rotor plate, scraper blade outer wall and open-close plate outer wall sliding connection.
Preferably, the magnetism of the side of the magnetic block A opposite to the magnetic slider is heteropolar, so that the heteropolar poles attract each other.
Preferably, the magnetism of the side, opposite to the scraper, of the magnetic block B is opposite in polarity, so that the opposite poles attract each other.
Preferably, the arc-shaped groove is internally provided with an air hole A, the rotating plate is internally provided with an air hole B, and the air hole A is communicated with the air hole B, so that air is communicated.
Preferably, the self gravity of the push block is greater than the elastic force of the elastic rope, so that the push block can pull the elastic rope to descend in a vertical state.
Preferably, the test equipment body is internally provided with an air groove, and the inside of the air groove is communicated with the inside of the sliding groove.
The invention provides a power operation test device suitable for a flexible direct current transmission converter valve submodule. The method has the following beneficial effects:
(1) The power operation test device is suitable for flexible direct current transmission converter valve submodule piece, through setting up rotatory heat dissipation mechanism that opens and shuts, when keeping vertical state because the rotor plate is rotatory, open test equipment body top seal's air, make test equipment body also can communicate through top and the outside air of test equipment body, thereby carry out the heat exchange heat dissipation to test equipment body inside, then automatic when test equipment body inside temperature risees, open the heat dissipation channel at test equipment body top and dispel the heat, and under normal radiating temperature, can not open the heat dissipation channel at test equipment body top, thereby keep the inside dustproof effect of test equipment body.
(2) The utility model discloses a power operation test device that is suitable for flexible direct current transmission converter valve submodule piece, through setting up heat radiating area and enlarging the mechanism, the inside ejector pad of rotor plate is thrown away in the twinkling of an eye, thereby be close to the outer scraper blade of open-close plate through the reciprocal magnetic path B, thereby it slides at the open-close plate outer wall in step to drive the scraper blade, and block with the dog on open-close plate surface, thereby the dust that will open-close plate surface long-time accumulate in the twinkling of an eye strikes off, and blow away it along with the inside radiator fan of test equipment body, remove dust to the open-close plate surface, guarantee its better radiating efficiency, avoid by the dust separation.
(3) The power operation test device is suitable for the flexible direct-current transmission converter valve sub-module, through setting up the deashing mechanism that opens and shuts, keep vertical state after the rotor plate is rotatory gradually, the ejector pad thrown away is also promoted by the elastic rope and rises some gradually simultaneously, but the gravity of ejector pad is still greater than the pulling force of elastic rope, thereby make the ejector pad stretch out the rotor plate outside, thereby enlarge the area of contact of rotor plate and the inside hot-air of test equipment body, promote the heat absorption efficiency to the test equipment body inside, the ejector pad of rotor plate inner wall is because after sliding downwards at this moment, also expose the space of rotor plate inner wall a large amount, thereby promote the area of contact of test equipment body outside air and rotor plate, make the heat absorption efficiency of outside air to the rotor plate promote, further accelerated the radiating rate of test equipment body inside.
(4) The utility model discloses a power operation test device who is suitable for flexible direct current transmission converter valve submodule piece, through setting up the deashing mechanism that opens and shuts, the ejector pad is when the rotor plate is inside to descend, air between ejector pad and the rotor plate passes through in gas pocket B gets into gas pocket A, and promote the limiting plate, the limiting plate promotes the open-close plate and drives the rotor plate and rotate and lift up, thereby lift up open-close plate self, thereby open the space at contact site between open-close plate and the rotor plate, make it begin abundant contact with the air, and further promote the radiating efficiency of rotor plate self.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a front view of the rotary opening and closing heat dissipation mechanism of the present invention;
FIG. 4 is a front view of the heat dissipation area enlarging mechanism of the present invention;
FIG. 5 is an enlarged view of FIG. 4 taken at A.
In the figure: 1 heat dissipation hole, 2 test equipment bodies, 3 rotary opening and closing heat dissipation mechanisms, 301 air storage grooves, 302 air inlet holes, 303 air outlet holes, 304 magnet sliding blocks, 305 sliding grooves, 306 rotating plates, 307 magnetic blocks A, 4 heat dissipation area expansion mechanisms, 401 push blocks, 402 elastic ropes, 403 magnetic blocks B, 5 opening and closing dust cleaning mechanisms, 501 opening and closing plates, 502 rotating blocks, 503 limiting plates, 504 arc-shaped grooves and 505 scraping plates.
Detailed Description
Referring to fig. 1-5, the present invention provides a technical solution: the power operation test device suitable for the flexible direct current transmission converter valve submodule comprises a test equipment body 2, wherein an air groove is formed in the test equipment body 2, the interior of the air groove is communicated with the interior of a sliding groove 305, heat dissipation holes 1 are formed in two sides of the test equipment body 2, and a rotary opening and closing heat dissipation mechanism 3 is arranged in the test equipment body 2;
the rotary opening and closing heat dissipation mechanism 3 comprises an air storage tank 301, an air inlet hole 302, an air outlet hole 303, a magnet slider 304, a sliding groove 305, a rotating plate 306 and a magnet block A307, wherein the magnetism of one side of the magnet block A307 opposite to the magnet slider 304 is heteropolar, the air storage tank 301 is arranged inside a test device body 2, the air inlet hole 302 is arranged inside the air storage tank 301, the air outlet hole 303 is arranged inside the sliding groove 305, the sliding groove 305 is arranged inside the test device body 2, the outer wall of the magnet slider 304 is in sliding connection with the inner wall of the sliding groove 305, the front surface and the back surface of the rotating plate 306 are fixedly connected with a rotating shaft, the other end of the rotating shaft is in rotating connection with the front surface and the back surface of the inner wall of the test device body 2 through a bearing, the outer wall of the magnet block A307 is fixedly connected inside the rotating plate 306, a heat dissipation area expansion mechanism 4 is arranged inside the rotating plate 306, the heat dissipation area expansion mechanism 4 further comprises a magnet block B403, the magnetism of one side of the magnet block B403 opposite to the scraper 505 is heteropolar, and the outer wall of the magnet block B403 is fixedly connected inside the pushing block 401;
the heat dissipation area expanding mechanism 4 comprises a push block 401, the gravity of the push block 401 is larger than the elastic force of an elastic rope 402, the elastic rope 402 is arranged, the outer wall of the push block 401 is connected with the inner wall of the rotating plate 306 in a sliding mode, one end of the push block 401 is fixedly connected with one end of the elastic rope 402, the other end of the elastic rope 402 is fixedly connected with the inner wall of the rotating plate 306, and an opening and closing ash removing mechanism 5 is arranged inside the rotating plate 306;
the ash removal mechanism 5 that opens and shuts includes open-close plate 501, commentaries on classics piece 502, changes piece 502 outer wall and the outer wall sliding connection of rotor plate 306, and open-close plate 501 one end and the outer wall fixed connection of commentaries on classics piece 502.
The opening and closing ash removing mechanism 5 further comprises a limiting plate 503 and an arc-shaped groove 504, an air hole A is formed in the arc-shaped groove 504, an air hole B is formed in the rotating plate 306, the air hole A is communicated with the air hole B, the outer wall of the opening plate 501 is fixedly connected with one end of the limiting plate 503, the outer wall of the limiting plate 503 is slidably connected with the inner wall of the arc-shaped groove 504, the arc-shaped groove 504 is formed in the rotating plate 306, and the outer wall of the scraper plate 505 is slidably connected with the outer wall of the opening plate 501.
When the test equipment is used, when the test equipment body 2 is operated and tested, and the interior of the test equipment body 2 generates heat, the heat is exchanged with the air outside the test equipment body 2 through the heat dissipation holes 1 at two sides of the test equipment body 2 by the heat dissipation fan arranged in the test equipment body 2, so as to dissipate the heat in the test equipment body 2, and when the interior of the test equipment body 2 is operated under high load, the air in the air storage tank 301 in the test equipment body 2 expands, enters the air outlet 303 through the air inlet hole 302 and is sprayed into the chute 305 through the air outlet 303, and pushes the magnet slider 304 to slide in the chute 305, so that the magnet slider 304 is far away from the magnetic block A307 in the rotating plate 306, so that the magnet slider A307 is separated from the magnetism attracted by the opposite poles between the magnet slider 304, the rotating plate 306 quickly falls down through the gravity of the magnetic block A307, the rotating plate 306 is driven to rotate clockwise on the rotating shaft at the right end of the rotating plate 306, and the rotating plate 306 is driven by the centrifugal force when the rotating block 306 falls, so as to block the rotating plate 306, the rotating plate 306 gradually pulls the dust out of the rotating plate 501, and the rotating plate 501 is kept away from the surface of the rotating plate, thereby, and the dust collecting plate 501 is kept on the rotating plate 501, and the rotating plate 501, thereby the rotating plate, and the dust collecting plate 501, and the dust collecting plate can be better kept on the rotating plate, and the dust collecting plate 501, but the gravity of the push block 401 is still greater than the pulling force of the elastic rope 402, so that the push block 401 extends out of the rotating plate 306, thereby enlarging the contact area between the rotating plate 306 and the hot air inside the testing device body 2, and improving the heat absorption efficiency to the inside of the testing device body 2, and at the same time, after the push block 401 on the inner wall of the rotating plate 306 slides downwards, the space on the inner wall of the rotating plate 306 is exposed in a large amount, so as to improve the contact area between the air outside the testing device body 2 and the rotating plate 306, so that the heat absorption efficiency of the external air to the rotating plate 306 is improved, further increasing the heat dissipation speed inside the testing device body 2, and also when the rotating plate 306 rotates to keep a vertical state, the air sealed at the top of the testing device body 2 is opened, so that the testing device body 2 can also communicate with the air outside through the top, thereby performing heat exchange heat dissipation to the inside of the testing device body 2, then automatically, when the temperature inside the testing device body 2 rises, the heat dissipation channel at the top of the testing device body 2 is opened, so as to dissipate the heat, and the dust-proof air enters the rotating plate 306 and the air hole 503 in the rotating plate 501, thereby, and the rotating plate 501 are fully pushed, and the rotating plate 501 is pushed down, and the rotating plate 501 is pushed by the rotating plate 501, whether the rotating plate 306 is overturned or not can be observed, so that whether the test equipment body 2 is in the condition of abnormal high temperature or not is judged, the test equipment body 2 is detected, the rotating plate 306 is stirred to the original position, the magnetic block A307 in the rotating plate 306 is continuously magnetically attracted with the magnet slider 304, meanwhile, when the rotating plate 306 is pushed to rotate to the original position, the push block 401 in the rotating plate 306 starts to gradually become an inclined state, and the rotating plate 306 is continuously pulled back to the inside of the rotating plate 306 by the pulling force of the elastic rope 402, so that the rotating plate returns to the original position.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. Be suitable for flexible direct current transmission converter valve submodule's power operation test device, including test equipment body (2), its characterized in that: heat dissipation holes (1) are formed in two sides of the test equipment body (2), and a rotary opening and closing heat dissipation mechanism (3) is arranged inside the test equipment body (2);
the rotary opening and closing heat dissipation mechanism (3) comprises an air storage tank (301), an air inlet hole (302), an air outlet hole (303), a magnet sliding block (304), a sliding groove (305), a rotating plate (306) and a magnetic block A (307), wherein the air storage tank (301) is arranged inside the test equipment body (2), the air inlet hole (302) is arranged inside the air storage tank (301), the air outlet hole (303) is arranged inside the sliding groove (305), the sliding groove (305) is arranged inside the test equipment body (2), the outer wall of the magnet sliding block (304) is in sliding connection with the inner wall of the sliding groove (305), the front surface and the back surface of the rotating plate (306) are fixedly connected with a rotating shaft, the other end of the rotating shaft is in rotating connection with the front surface and the back surface of the inner wall of the test equipment body (2) through a bearing, the outer wall of the magnetic block A (307) is fixedly connected inside the rotating plate (306), a heat dissipation area expansion mechanism (4) is arranged inside the rotating plate (306), and the magnetism of one side, opposite to the magnet sliding block A (307) and the magnet sliding block (304) is heteropolar;
when the high-load work is carried out in the test equipment body (2), when the heat inside the test equipment body is too large, the air inside the air storage tank (301) inside the test equipment body (2) expands, enters the air outlet hole (303) through the air inlet hole (302) and is sprayed into the sliding groove (305) through the air outlet hole (303), and pushes the magnet sliding block (304) to slide in the sliding groove (305), so that the magnet sliding block (304) is far away from the magnetic block A (307) in the rotating plate (306), the magnetic block A (307) is separated from the magnetism attracted by the opposite poles between the magnet sliding block (304), and the rotating plate (306) is rapidly fallen downwards through the gravity of the magnetic block A (307) at the right end.
2. The power operation test device suitable for the sub-module of the flexible direct current transmission converter valve according to claim 1, is characterized in that: the heat dissipation area expanding mechanism (4) comprises a push block (401) and an elastic rope (402), the outer wall of the push block (401) is connected with the inner wall of the rotating plate (306) in a sliding mode, one end of the push block (401) is fixedly connected with one end of the elastic rope (402), the other end of the elastic rope (402) is fixedly connected with the inner wall of the rotating plate (306), and an opening and closing ash cleaning mechanism (5) is arranged inside the rotating plate (306).
3. The power operation test device suitable for the sub-module of the flexible direct current transmission converter valve according to claim 2, is characterized in that: the opening and closing ash removing mechanism (5) comprises an opening plate (501) and a rotating block (502), the outer wall of the rotating block (502) is connected with the outer wall of the rotating plate (306) in a sliding mode, and one end of the opening plate (501) is fixedly connected with the outer wall of the rotating block (502);
the heat dissipation area expanding mechanism (4) further comprises a magnetic block B (403), and the outer wall of the magnetic block B (403) is fixedly connected inside the push block (401);
the opening and closing ash removing mechanism (5) further comprises a limiting plate (503), an arc-shaped groove (504) and a scraping plate (505), the outer wall of the opening and closing plate (501) is fixedly connected with one end of the limiting plate (503), the outer wall of the limiting plate (503) is connected with the inner wall of the arc-shaped groove (504) in a sliding mode, the arc-shaped groove (504) is arranged inside the rotating plate (306), and the outer wall of the scraping plate (505) is connected with the outer wall of the opening and closing plate (501) in a sliding mode;
the magnetism of one side, opposite to the scraper (505), of the magnetic block B (403) is heteropolar, an air hole A is formed in the arc-shaped groove (504), an air hole B is formed in the rotating plate (306), and the air hole A is communicated with the air hole B;
when the push block (401) descends in the rotating plate (306), air between the push block (401) and the rotating plate (306) enters the air hole A through the air hole B and pushes the limiting plate (503), and the limiting plate (503) pushes the opening plate (501) to drive the rotating block (502) to rotate and lift up, so that the opening plate (501) is lifted up.
4. The power operation test device suitable for the sub-module of the flexible direct current transmission converter valve according to claim 3, is characterized in that: the gravity of the push block (401) is larger than the elastic force of the elastic rope (402).
5. The power operation test device suitable for the sub-module of the flexible direct current transmission converter valve according to claim 4, is characterized in that: the testing equipment is characterized in that an air groove is formed in the testing equipment body (2), and the inside of the air groove is communicated with the inside of the sliding groove (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111451280.4A CN114088984B (en) | 2021-12-01 | 2021-12-01 | Power operation test device suitable for flexible direct-current transmission converter valve sub-module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111451280.4A CN114088984B (en) | 2021-12-01 | 2021-12-01 | Power operation test device suitable for flexible direct-current transmission converter valve sub-module |
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| CN114088984A CN114088984A (en) | 2022-02-25 |
| CN114088984B true CN114088984B (en) | 2022-10-25 |
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| CN114851573B (en) * | 2022-04-29 | 2023-12-01 | 江苏金鼎建设集团有限公司 | Ultrasonic fusion splicer for furniture production |
| CN116249316B (en) * | 2022-12-01 | 2024-02-02 | 盐城长松机械科技有限公司 | Coating equipment capable of being cooled rapidly |
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| CN211792671U (en) * | 2020-05-07 | 2020-10-27 | 深圳市宇隆伟业科技有限公司 | Air conditioner fan efficiency control box |
| CN211792466U (en) * | 2020-05-09 | 2020-10-27 | 武汉南星电力科技有限公司 | Frequency conversion mutual inductor comprehensive tester |
| CN111857279B (en) * | 2020-07-31 | 2021-11-12 | 西藏帝辰科技有限公司 | Heat abstractor for computer machine case based on rotatory centrifugal force |
| CN212812469U (en) * | 2020-08-20 | 2021-03-26 | 苏州智博汇能电子科技股份有限公司 | Self-closing device of heat dissipation air-out system |
| CN213368335U (en) * | 2020-11-11 | 2021-06-04 | 安阳钢铁股份有限公司 | Electrical control cabinet |
| CN213600825U (en) * | 2020-11-27 | 2021-07-02 | 武汉武高西高电气有限公司 | Power frequency withstand voltage test equipment |
| CN214359245U (en) * | 2020-12-07 | 2021-10-08 | 仙桃富源医疗保健品有限公司 | Melt-blown fabric production facility with safety protection structure |
| CN113132834B (en) * | 2021-04-20 | 2022-02-22 | 科大乾延科技有限公司 | Intelligent multimedia loudspeaker box |
| CN113507796B (en) * | 2021-09-08 | 2021-12-07 | 佐力西(江苏)物联科技有限公司 | Thing networking function detection device based on thing networking household electrical appliances |
| CN113629521B (en) * | 2021-09-11 | 2022-05-06 | 深圳市施乐德电气实业有限公司 | Energy-concerving and environment-protective type intelligent power distribution cabinet |
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