CN112701580B - Dustproof electrical cabinet with good heat dissipation effect - Google Patents
Dustproof electrical cabinet with good heat dissipation effect Download PDFInfo
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- CN112701580B CN112701580B CN202011542528.3A CN202011542528A CN112701580B CN 112701580 B CN112701580 B CN 112701580B CN 202011542528 A CN202011542528 A CN 202011542528A CN 112701580 B CN112701580 B CN 112701580B
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- ring
- adjusting
- fixedly connected
- inner cavity
- heat dissipation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of electrical cabinets and discloses a dustproof electrical cabinet with a good heat dissipation effect, which comprises a shell, wherein the front wall of the shell is uniformly connected with an adjusting ring, the inner cavity of the adjusting ring is uniformly provided with a sliding frame, the inside of the sliding frame is slidably connected with adjusting blocks, extrusion rods are movably connected between the adjusting blocks, limiting springs are fixedly connected between the extrusion rods and the adjusting blocks, the side wall of the inner cavity of the adjusting ring is fixedly connected with a rubber ring, the inner cavity of the shell at the rear end of the adjusting ring is fixedly sleeved with a toothed ring, and the lower end of the inner cavity toothed ring of the shell is rotatably connected with a heat dissipation screw rod. This dustproof regulator cubicle that radiating effect is good through heat dissipation screw rod automatic adjustment rotational speed for the adjustable ring rotational speed accelerates, drives the extrusion stem extrusion rubber ring, and the access area of the inside circulation of air of adjustable ring increases automatically promptly, thereby effectual radiating effect, the effectual air current that has promoted equipment filters in order to promote dustproof effect.
Description
Technical Field
The invention relates to the technical field of electrical cabinets, in particular to a dustproof electrical cabinet with a good heat dissipation effect.
Background
At present, along with scientific and technological level's promotion, life electric power system is also progressively perfecting, depositing and protecting of power equipment are also vital, and some electronic components who are used for the control circuit then need be installed in the regulator cubicle, general regulator cubicle is in the use, because only seted up the draught hole of fixed size, when equipment needs urgent heat dissipation, corresponding heat dissipation ventilation channel is not enough to strengthen the gas flow volume in the unit interval, the inside heat of equipment can't effectively dispel promptly, when taking a breath in addition, outside dust can be brought into the inside of equipment along with the air current, influence corresponding electronic device's normal use function.
Aiming at the defects of the prior art, the invention provides the dustproof electrical cabinet with a good heat dissipation effect, which has the advantages of effectively improving the heat dissipation effect of equipment and effectively filtering airflow to improve the dustproof effect, and solves the problems that the equipment cannot be effectively cooled and dust is easily introduced when airflow is exchanged between the inside and the outside of the equipment in the use process of a common electrical cabinet.
Disclosure of Invention
In order to effectively improve the heat dissipation effect of the equipment and effectively filter the airflow to improve the dustproof effect, the invention provides the following technical scheme: a dustproof electrical cabinet with a good heat dissipation effect comprises a shell, wherein an adjusting ring is uniformly connected to the front wall of the shell, a sliding frame is uniformly installed in the inner cavity of the adjusting ring, adjusting blocks are slidably connected to the inside of the sliding frame, an extrusion rod is movably connected between the adjusting blocks, a limiting spring is fixedly connected between the extrusion rod and the adjusting blocks, a rubber ring is fixedly connected to the side wall of the inner cavity of the adjusting ring, a toothed ring is fixedly sleeved on the rear end of the outer wall of the adjusting ring, a heat dissipation screw is rotatably connected to the lower end of the toothed ring, and a flow guide pipe is arranged at the rear end of the toothed ring; the lower extreme swing joint of honeycomb duct has the dust collecting plate, the electromagnetism seat has been buried underground to the bottom of dust collecting plate, the intracavity lateral wall of honeycomb duct rotates and is connected with the axis of rotation, the electric property cover that a plurality of intervals of fixedly connected with set up on the circumference outer wall of axis of rotation is provided with flexible post between per two electric property covers, flexible post is close to the one end fixedly connected with electric property board of axis of rotation, the one end fixedly connected with adsorption roller of axis of rotation is kept away from to flexible post, the right-hand member sliding connection of honeycomb duct has cup jointed at the epaxial sliding sleeve that rotates, the annular has been seted up on the surface of axis of rotation, the right side fixedly connected with magnetism frame of honeycomb duct, the inner chamber sliding connection of magnetism frame has the winding block, swing joint has the connecting rod between winding block and the sliding sleeve, the lower extreme fixedly connected with guide arm of winding block, the cam has been cup jointed on the heat-radiating screw.
Preferably, the two ends of the adjusting block are fixedly connected with a sleeve matched with the extrusion rod, and the sleeve is movably connected with the extrusion rod.
Preferably, the rear end of the gear ring is movably connected with a rotary sealing gasket extending to the flow guide pipe, so that external dust is effectively prevented from entering the shell along with air flow from the space between the gear ring and the flow guide pipe.
Preferably, a magnetic block is embedded in the middle of the telescopic column, and magnetic poles between the adjacent surfaces of the magnetic block and the electrified electromagnetic seat are the same.
Preferably, the surface of absorption roller evenly twines the cable, lets in induced-current through the cable in, and according to the electromagnetic induction phenomenon, the cable periphery can produce magnetic field and adsorb the dust that carries weak electron in to the air current.
Preferably, the inner cavity side wall of the sliding sleeve is fixedly connected with a guide pillar extending into the annular groove, so that the rotating shaft provided with the annular groove can continuously rotate when the sliding sleeve is driven to reciprocate.
Preferably, a baffle is fixedly mounted on the upper portion of the inner cavity of the magnetic frame, and the winding block is elastically connected with the baffle.
Advantageous effects
Compared with the prior art, the invention provides the dustproof electrical cabinet with good heat dissipation effect, which has the following beneficial effects:
1. this dustproof regulator cubicle that radiating effect is good, temperature rises through the casing inside, the rotation power of heat dissipation screw increases automatically, it drives the ring gear and makes the slew velocity of adjustable ring accelerate, the regulating block on the corresponding sliding frame receives centrifugal force, to keeping away from the one side at regulating ring center and removing, synchronous stripper bar is driven and is extrudeed the rubber ring, make rubber ring deformation shrink, the relative area increase that comprises stripper bar and regulating block part that corresponds, the passage area increase of heat dissipation channel promptly, the inside and outside air exchange capacity of casing is strengthened, thereby the effectual radiating effect who promotes equipment.
2. The dustproof electrical cabinet with good heat dissipation effect drives the cam to intermittently jack the guide rod through the rotation of the heat dissipation screw rod, so that the winding block drives the sliding sleeve to reciprocate through the connecting rod, the rotating shaft drives the adsorption roller to continuously do circular motion, the winding block synchronously reciprocates in the magnetic frame, induction current can be generated in a coil embedded in the winding block, the current is guided into the electrical sleeve, an electrical plate connected with the winding block is electrified, correspondingly, according to the electromagnetic induction phenomenon, a cable uniformly wound on the adsorption roller can generate a magnetic field with certain strength in a corresponding range, the magnetic field adsorbs dust in air flow passing through the flow guide pipe, in addition, the current generated in the winding block can be shunted into the electromagnetic seat, the electromagnetic seat repels the magnetic block in the telescopic column directly above the electromagnetic seat, the corresponding telescopic column moves upwards, the electrical plate is separated from the electrical sleeve, the adsorption roller rotating to the lower end is powered off and absorbs the magnetic field, the dust on the corresponding adsorption roller falls into a groove of the dust collection plate, the magnetic field also exists at the upper end of the electromagnetic seat, the dust is automatically adsorbed and limited to the groove, and the dust on the air flow is effectively filtered to improve the dustproof effect.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a front cross-sectional view of a connecting portion of an adjusting ring or the like of the present invention;
FIG. 3 is a right sectional view of a connecting portion of a draft tube and the like according to the present invention;
FIG. 4 is a right sectional view of a coupling portion of a rotating shaft and the like according to the present invention;
fig. 5 is a front sectional view of a connection portion of a draft tube and the like of the present invention.
In the figure: 1. a housing; 2. an adjusting ring; 3. a sliding frame; 4. a regulating block; 5. an extrusion stem; 6. a limiting spring; 7. a rubber ring; 8. a toothed ring; 9. a heat dissipation screw; 10. a flow guide pipe; 11. a dust collecting plate; 12. an electromagnetic base; 13. a rotating shaft; 14. an electrical sleeve; 15. a telescopic column; 16. an electrical board; 17. an adsorption roller; 18. a sliding sleeve; 19. a ring groove; 20. a magnetic frame; 21. a winding block; 22. a connecting rod; 23. a guide bar; 24. a cam.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-5, a dustproof electrical cabinet with good heat dissipation effect comprises a casing 1, an adjusting ring 2 is uniformly connected to the front wall of the casing 1, a sliding frame 3 is uniformly installed in the inner cavity of the adjusting ring 2, an adjusting block 4 is slidably connected inside the sliding frame 3, two ends of the adjusting block 4 are fixedly connected with a sleeve pipe matched with an extrusion rod 5, the sleeve pipe is movably connected with the extrusion rod 5, the extrusion rod 5 is movably connected between the adjusting blocks 4, a limiting spring 6 is fixedly connected between the extrusion rod 5 and the adjusting block 4, the side wall of the inner cavity of the adjusting ring 2 is fixedly connected with a rubber ring 7, a toothed ring 8 is fixedly sleeved on the rear end of the outer wall of the adjusting ring 2, and a rotary sealing gasket extending to a flow guide pipe 10 is movably connected at the rear end of the toothed ring 8, thereby the effectual outside dust of having avoided enters into the inside of casing 1 along with the air current from between ring gear 8 and honeycomb duct 10, the lower extreme of ring gear 8 rotates and is connected with heat dissipation screw 9, through the inside temperature rise of casing 1, the rotation power of heat dissipation screw 9 increases automatically, it drives ring gear 8 and makes the slew velocity of adjustable ring 2 accelerate, adjusting block 4 on the corresponding sliding frame 3 receives the centrifugal force, to the lateral shifting of keeping away from the center of adjustable ring 2, synchronous pressure ram 5 is driven extrusion rubber ring 7, make rubber ring 7 deformation shrink, the corresponding relative area who comprises pressure ram 5 and adjusting block 4 part increases, heat dissipation channel's access area increases promptly, the inside and outside air exchange ability of casing 1 is strengthened, thereby the effectual radiating effect who promotes equipment.
The honeycomb duct 10 is located at the rear end of the toothed ring 8, the lower end of the honeycomb duct 10 is movably connected with a dust collecting plate 11, an electromagnetic seat 12 is buried at the bottom of the dust collecting plate 11, the inner cavity side wall of the honeycomb duct 10 is rotatably connected with a rotating shaft 13, a plurality of electric sleeves 14 arranged at intervals are fixedly connected on the circumferential outer wall of the rotating shaft 13, a telescopic column 15 is arranged between every two electric sleeves 14, a magnetic block is buried in the middle of the telescopic column 15, the magnetic poles between the magnetic block and the adjacent surface of the electrified electromagnetic seat 12 are the same, an electric plate 16 is fixedly connected at one end of the telescopic column 15 close to the rotating shaft 13, an adsorption roller 17 is fixedly connected at one end of the telescopic column 15 far away from the rotating shaft 13, cables are uniformly wound on the surfaces of the adsorption roller 17, induced current is introduced into the cables, and according to the electromagnetic induction phenomenon, a magnetic field can be generated at the periphery of the cables to adsorb dust carrying weak electrons in the air flow, the right end of the draft tube 10 is slidably connected with a sliding sleeve 18 sleeved on the rotating shaft 13, the surface of the rotating shaft 13 is provided with an annular groove 19, so that when the sliding sleeve 18 is driven to reciprocate, the rotating shaft 13 provided with the annular groove 19 can continuously rotate, the inner cavity of the sliding sleeve 18 is provided with the annular groove 19, the right side of the draft tube 10 is fixedly connected with a magnetic frame 20, the upper part of the inner cavity of the magnetic frame 20 is fixedly provided with a baffle, a winding block 21 is elastically connected with the baffle, the inner cavity of the magnetic frame 20 is slidably connected with a winding block 21, a connecting rod 22 is movably connected between the winding block 21 and the sliding sleeve 18, the lower end of the winding block 21 is fixedly connected with a guide rod 23, a cam 24 is sleeved on the heat dissipation screw 9, the heat dissipation screw 9 rotates to drive the cam 24 to intermittently lift up the guide rod 23, so that the winding block 21 drives the sliding sleeve 18 to reciprocate through the connecting rod 22, and the rotating shaft 13 drives the adsorption roller 17 to continuously do circular motion, because the winding block 21 reciprocates synchronously inside the magnetic frame 20, an induced current is generated in a coil embedded inside the winding block 21, the current is guided into the electric sleeve 14 to electrify the electric plate 16 connected with the winding block, correspondingly, according to an electromagnetic induction phenomenon, a cable uniformly wound on the adsorption roller 17 generates a magnetic field with a certain strength in a corresponding range, the magnetic field adsorbs dust in air flow passing through the flow guide pipe 10, in addition, the current generated in the winding block 21 is shunted into the electromagnetic base 12, so that the electromagnetic base 12 repels the magnetic block in the telescopic column 15 passing right above the electromagnetic base 12, the corresponding telescopic column 15 moves upwards, the electric plate 16 is separated from the electric sleeve 14, the adsorption roller 17 rotating to the lower end is powered off and loses the magnetic field, the corresponding dust on the adsorption roller 17 falls into a groove of the dust collection plate 11, and the falling dust is automatically adsorbed and limited into the groove due to the existence of the magnetic field at the upper end of the electromagnetic base 12, thereby effectively filtering the air flow to improve the dust prevention effect.
The working principle is as follows: the dustproof electrical cabinet with good heat dissipation effect increases the rotation power of the heat dissipation screw 9 automatically through the temperature rise in the shell 1, the heat dissipation screw drives the toothed ring 8 to accelerate the rotation speed of the adjusting ring 2, the adjusting block 4 on the corresponding sliding frame 3 moves to one side far away from the center of the adjusting ring 2 under the action of centrifugal force, the synchronous extrusion rod 5 is driven to extrude the rubber ring 7, the rubber ring 7 deforms and contracts, the corresponding relative area formed by the extrusion rod 5 and the adjusting block 4 is increased, namely the passage area of a heat dissipation channel is increased, the air exchange capacity inside and outside the shell 1 is enhanced, thereby effectively improving the heat dissipation effect of equipment, in addition, the heat dissipation screw 9 drives the cam 24 to intermittently jack the guide rod 23 when rotating, the guide pillar extending into the annular groove 19 is fixedly connected with the side wall of the inner cavity of the sliding sleeve 18, the winding block 21 is driven by the guide rod 23 to drive the sliding sleeve 18 to reciprocate through the connecting rod 22, the rotating shaft 13 drives the adsorption roller 17 to continuously do circular motion, because the winding block 21 synchronously reciprocates in the magnetic frame 20, an induced current is generated in a coil embedded in the winding block 21, the current is guided into the electric sleeve 14 to electrify the electric plate 16 connected with the electric sleeve, correspondingly, according to the electromagnetic induction phenomenon, a cable uniformly wound on the adsorption roller 17 generates a magnetic field with certain intensity in a corresponding range, the magnetic field adsorbs dust in air flow passing through the flow guide pipe 10, in addition, the current generated in the winding block 21 is shunted into the electromagnetic base 12, so that the electromagnetic base 12 repels the magnetic block in the telescopic column 15 passing right above the electromagnetic base, the corresponding telescopic column 15 moves upwards, the electric plate 16 is separated from the electric sleeve 14, the adsorption roller 17 rotating to the lower end is powered off and loses the magnetic field, and the corresponding dust on the adsorption roller 17 falls off into a groove of the dust collection plate 11, because there is magnetic field also in the upper end of electromagnetism seat 12, consequently the dust that drops is by automatic absorption restriction to the recess in to effectual filtering the air current in order to promote dustproof effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a dustproof regulator cubicle that radiating effect is good, includes casing (1), its characterized in that: the front wall of the shell (1) is uniformly connected with adjusting rings (2), inner cavities of the adjusting rings (2) are uniformly provided with sliding frames (3), adjusting blocks (4) are connected inside the sliding frames (3) in a sliding mode, extrusion rods (5) are movably connected between the adjusting blocks (4), limiting springs (6) are fixedly connected between the extrusion rods (5) and the adjusting blocks (4), the side wall of the inner cavity of each adjusting ring (2) is fixedly connected with a rubber ring (7), the rear end of the outer wall of each adjusting ring (2) is fixedly sleeved with a toothed ring (8), the lower end of each toothed ring (8) is rotatably connected with a heat dissipation screw (9), and the rear end of each toothed ring (8) is provided with a flow guide pipe (10);
the lower end of the flow guide pipe (10) is movably connected with a dust collecting plate (11), the bottom of the dust collecting plate (11) is embedded with an electromagnetic seat (12), the side wall of the inner cavity of the flow guide pipe (10) is rotatably connected with a rotating shaft (13), the outer wall of the circumference of the rotating shaft (13) is fixedly connected with a plurality of electric sleeves (14) arranged at intervals, a telescopic column (15) is arranged between every two electric sleeves (14),
the end of the telescopic column (15) close to the rotating shaft (13) is fixedly connected with an electric board (16), the end of the telescopic column (15) far away from the rotating shaft (13) is fixedly connected with an adsorption roller (17), the right end of the draft tube (10) is connected with a sliding sleeve (18) sleeved on the rotating shaft (13) in a sliding way, the surface of the rotating shaft (13) is provided with an annular groove (19),
a magnetic frame (20) is fixedly connected to the right side of the flow guide pipe (10), a winding block (21) is connected to an inner cavity of the magnetic frame (20) in a sliding mode, a connecting rod (22) is movably connected between the winding block (21) and the sliding sleeve (18), a guide rod (23) is fixedly connected to the lower end of the winding block (21), and a cam (24) is sleeved on the heat dissipation screw (9);
two ends of the adjusting block (4) are fixedly connected with sleeves matched with the extrusion rods (5);
the rear end of the gear ring (8) is movably connected with a rotary sealing gasket extending to the flow guide pipe (10);
a magnetic block is embedded in the middle of the telescopic column (15);
the surface of the adsorption roller (17) is uniformly wound with cables;
the side wall of the inner cavity of the sliding sleeve (18) is fixedly connected with a guide post extending into the annular groove (19);
and a baffle is fixedly arranged at the upper part of the inner cavity of the magnetic frame (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011542528.3A CN112701580B (en) | 2020-12-23 | 2020-12-23 | Dustproof electrical cabinet with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011542528.3A CN112701580B (en) | 2020-12-23 | 2020-12-23 | Dustproof electrical cabinet with good heat dissipation effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112701580A CN112701580A (en) | 2021-04-23 |
| CN112701580B true CN112701580B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011542528.3A Active CN112701580B (en) | 2020-12-23 | 2020-12-23 | Dustproof electrical cabinet with good heat dissipation effect |
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| Country | Link |
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| CN (1) | CN112701580B (en) |
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| JP2007173330A (en) * | 2005-12-19 | 2007-07-05 | Kawamura Electric Inc | Louver |
| CN106025821A (en) * | 2016-05-23 | 2016-10-12 | 国网山东省电力公司莱阳市供电公司 | Switch cabinet |
| CN107845969A (en) * | 2017-11-30 | 2018-03-27 | 宁波伊顿电力科技有限公司 | A kind of transformer station's heat dissipating method |
| CN111817186A (en) * | 2020-07-14 | 2020-10-23 | 吕纪兴 | Safe heat dissipation switch board that electric power engineering used |
| CN111864555A (en) * | 2020-07-29 | 2020-10-30 | 广州镐达科技有限公司 | Distribution board with dampproofing dust removal function |
| CN111958311A (en) * | 2020-08-19 | 2020-11-20 | 重庆市鹏宇五金制品有限责任公司 | Processing and cooling device for needle blank of sewing machine |
| CN112000186A (en) * | 2020-08-18 | 2020-11-27 | 汪彩云 | Server information processing equipment based on internet big data |
| CN112074170A (en) * | 2020-09-22 | 2020-12-11 | 天津市又琴电脑有限公司 | Electronic radiator with cleaning function |
-
2020
- 2020-12-23 CN CN202011542528.3A patent/CN112701580B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007173330A (en) * | 2005-12-19 | 2007-07-05 | Kawamura Electric Inc | Louver |
| CN106025821A (en) * | 2016-05-23 | 2016-10-12 | 国网山东省电力公司莱阳市供电公司 | Switch cabinet |
| CN107845969A (en) * | 2017-11-30 | 2018-03-27 | 宁波伊顿电力科技有限公司 | A kind of transformer station's heat dissipating method |
| CN111817186A (en) * | 2020-07-14 | 2020-10-23 | 吕纪兴 | Safe heat dissipation switch board that electric power engineering used |
| CN111864555A (en) * | 2020-07-29 | 2020-10-30 | 广州镐达科技有限公司 | Distribution board with dampproofing dust removal function |
| CN112000186A (en) * | 2020-08-18 | 2020-11-27 | 汪彩云 | Server information processing equipment based on internet big data |
| CN111958311A (en) * | 2020-08-19 | 2020-11-20 | 重庆市鹏宇五金制品有限责任公司 | Processing and cooling device for needle blank of sewing machine |
| CN112074170A (en) * | 2020-09-22 | 2020-12-11 | 天津市又琴电脑有限公司 | Electronic radiator with cleaning function |
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| Publication number | Publication date |
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| CN112701580A (en) | 2021-04-23 |
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Effective date of registration: 20230309 Address after: 350000 Building 2, No. 2, chendianhu Road, sugarcane street, Minhou County, Fuzhou City, Fujian Province Applicant after: FUJIAN WUXIANG INDUSTRIAL CO.,LTD. Address before: University of Electronic Science and Technology (Qingshuihe campus), no.2006 Xiyuan Avenue, high tech Zone, Chengdu, Sichuan 610000 Applicant before: Zhou Yuehua |
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