CN111064097A - Heat dissipation dustproof device of independent equipment electric power cabinet based on electromagnetic induction principle - Google Patents
Heat dissipation dustproof device of independent equipment electric power cabinet based on electromagnetic induction principle Download PDFInfo
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- CN111064097A CN111064097A CN202010000971.1A CN202010000971A CN111064097A CN 111064097 A CN111064097 A CN 111064097A CN 202010000971 A CN202010000971 A CN 202010000971A CN 111064097 A CN111064097 A CN 111064097A
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- power cabinet
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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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 power equipment and discloses a heat dissipation and dust prevention device of an independent equipment power cabinet based on an electromagnetic induction principle, which comprises a first shell and a second shell, wherein the inside of the first shell is fixedly connected with an anode, the inside of the first shell is fixedly connected with a cathode, the inside of the first shell is movably connected with a supporting rod, the top of the supporting rod is fixedly connected with a copper rod, and the outside of the copper rod is fixedly connected with a push rod; through the driver, connecting rod one, connecting rod two, the connector, a slide rail, the baffle, the gauze, under the interact between the receiver, can be so that the runner adjusts the slew velocity of sheave with the block relation of sheave, the rise height that can adjust the baffle through driving motor's rotational speed transform and the baffle can drive the air outlet that the gauze will open and shelter from, can make also have certain dustproof effect when electric power cabinet moves like this, come the size of manual regulation air outlet according to electric power cabinet's in service behavior and make things convenient for the heat dissipation under the different situation more.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a heat dissipation dustproof device of an independent equipment power cabinet based on an electromagnetic induction principle.
Background
The electric appliances in life are continuously increased, a lot of manual labor is replaced by electronic equipment, and the stability of electric power needs qualified equipment to be guaranteed. The novel electric cabinet improves the process on the basis of the characteristics of the traditional product. The electric cabinet adopts a stainless steel door shaft and a double-source special terminal box handle, and a limiting and anti-rebound mechanism is arranged in the box door; the door and the box body adopt a totally-enclosed structure, and are matched with a sealing rubber strip and a waterproof groove, so that the door and the box body have the four-prevention function of preventing rain, wind, sand and dust; the lead knock-out hole is improved into an I-shaped detachable structure, so that the lead can be conveniently led in; the box body is made by micro-mark and non-mark manufacturing processes, so that the appearance is more attractive; the box body is made of imported stainless steel materials, and has the advantages of good strength, high hardness, attractive surface, good sealing property, strong corrosion resistance, long service life and easiness in maintenance.
Because the independent power equipment is provided with the power cabinet and can be started only when the power equipment runs, the power cabinet can be frequently left unused, the conventional power cabinet can carry out heat dissipation work through the ventilation window by the heat dissipation fan, however, when the power cabinet is idle, a large amount of dust is accumulated in the machine body due to the existence of the ventilation window, and when the dust is accumulated too much, short circuit and other problems can be caused to parts in the machine cabinet, so that the service life of the power cabinet is greatly reduced, the use of a user is influenced, the use cost can be increased, and if the machine cabinet is cleaned, the cleaning is difficult due to the excessive number of the parts; if the ventilation window is not arranged, the heat dissipation work cannot be carried out.
Therefore, in order to solve the problems, a heat dissipation and dust prevention device of the independent equipment power cabinet based on the electromagnetic induction principle is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a heat dissipation and dust prevention device of an independent equipment power cabinet based on an electromagnetic induction principle, which has the advantages of dust prevention and adjustable heat dissipation air outlet size, and solves the problems that the conventional power cabinet performs heat dissipation work through a ventilation window by a heat dissipation fan, however, when the power cabinet is idle, a large amount of dust is accumulated in the machine body due to the existence of the ventilation window, and when the dust is excessively accumulated, short circuit is caused to parts in the cabinet, and the like, so that the service life of the power cabinet is greatly reduced, the use of a user is influenced, the use cost is increased, and if the power cabinet is cleaned, the cleaning is difficult due to the excessive parts; if the ventilation window does not exist, the heat dissipation work cannot be carried out.
(II) technical scheme
In order to achieve the purposes of dust prevention and size adjustment of the heat dissipation air outlet, the invention provides the following technical scheme: the utility model provides a heat dissipation dust keeper of independent equipment electric power cabinet based on electromagnetic induction principle, including shell one and shell two, the inside fixedly connected with positive pole of shell one, the inside fixedly connected with negative pole of shell one, the inside swing joint of shell one has the bracing piece, the top fixedly connected with bar copper of bracing piece, the outside fixedly connected with push rod of bar copper, the outside swing joint of shell two has the driver, the outside swing joint of driver has connecting rod one, the outside swing joint of connecting rod one has connecting rod two, the outside swing joint of connecting rod two has the connector, the outside fixedly connected with slide rail of shell two, the inside swing joint of slide rail has the baffle, the bottom fixedly connected with gauze of baffle, the outside fixedly connected with receiver of shell two.
Preferably, the surface of the second shell is provided with a clamping groove matched with the first shell, the first shell is fixed on the inner side of the clamping groove, the position and the specification of the anode and the cathode are matched, the bottom of the supporting rod is movably connected with a roller, the surface of the first shell is provided with a rod hole matched with the push rod, and the position of the copper rod is matched with the anode and the cathode.
Preferably, the driver mainly comprises a rotating shaft, a rotating wheel and a grooved wheel, the rotating shaft is fixed outside the rotating wheel and the grooved wheel, the rotating shaft is movably connected with the second shell, a shifting lever is fixedly connected outside the rotating wheel, one end, far away from the rotating wheel, of the shifting lever is fixedly connected with a clamping bead, at least two clamping bead grooves are formed in the surface of the grooved wheel, the clamping beads are matched with the clamping bead grooves in specification, and the rotating wheel is movably connected with the grooved wheel.
Preferably, the driver is movably connected with the connecting rod through a short rod fixed outside.
Preferably, the connector mainly comprises a third connecting rod, a rotating rod, a gear, a long rod and a clamping rod, wherein the third connecting rod is movably connected with a driving lever, the third connecting rod is movably connected with the outside of the long rod, the inside of the long rod is movably connected with the rotating rod, the gear is fixedly connected with the outside of the rotating rod, and the inner side of the gear is provided with teeth matched with the specification of the clamping rod and is movably connected with the teeth.
Preferably, the outside of baffle is provided with the tooth, and the specification of gear and the outside tooth specification phase-match of baffle and mesh mutually, the slide rail have two and all with baffle swing joint, gauze and receiver swing joint, the inside of receiver is provided with automatic recovery unit.
Preferably, the copper bar is electrically connected with a driving motor, and a rotating shaft outside the rotating wheel is electrically connected with the driving motor.
Preferably, the first shell, the support rod and the push rod are made of insulating materials.
(III) advantageous effects
Compared with the prior art, the invention provides the heat dissipation dustproof device of the independent equipment power cabinet based on the electromagnetic induction principle, which has the following beneficial effects:
1. this heat dissipation dust keeper based on electromagnetic induction principle's independent equipment electric power cabinet, through shell one, the positive pole, the negative pole, the bracing piece, the bar copper, under the interact between the push rod, can make when the user promotes the push rod make the bar copper cutting positive pole, the magnetic induction line that forms between the negative pole, thereby produce electric current, just so can be along with the distance change that the bar copper is promoted, make the through-current of bar copper change, just so can be through driving motor's slew rate, provide the prerequisite for the size of regulation air outlet afterwards, also make when not launching the electric power cabinet, the electric power cabinet is in encapsulated situation, good dustproof effect has.
2. This heat dissipation dust keeper of independent equipment electric power cabinet based on electromagnetic induction principle, through the driver, connecting rod one, connecting rod two, the connector, a slide rail, the baffle, the gauze, under the interact between the receiver, can make the block relation of runner and sheave adjust the slew velocity of sheave, the rising height that can adjustable baffle through driving motor's rotational speed transform and the baffle can drive the air outlet that the gauze will open and shelter from, can make like this also have certain dustproof effect when electric power cabinet moves, the size that comes manual regulation air outlet according to electric power cabinet's in service behavior makes things convenient for the heat dissipation under the different situation more.
Drawings
FIG. 1 is a partial cross-sectional view of the external structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of the connection relationship between the driver, the first connecting rod, the second connecting rod and the connector according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 at B according to the present invention;
fig. 5 is a schematic view of the connector structure of the present invention.
In the figure: 1. a first shell; 2. a second shell; 3. a positive electrode; 4. a negative electrode; 5. a support bar; 6. a copper bar; 7. a push rod; 8. a driver; 9. a first connecting rod; 10. a second connecting rod; 11. a connector; 12. a slide rail; 13. A baffle plate; 14. a screen; 15. an accommodating box.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a heat dissipation and dust prevention device of an independent equipment power cabinet based on an electromagnetic induction principle comprises a first shell 1 and a second shell 2, wherein the first shell 1 is fixedly connected with an anode 3, the first shell 1 is fixedly connected with a cathode 4, the first shell 1 is movably connected with a support rod 5, the top of the support rod 5 is fixedly connected with a copper rod 6, the outside of the copper rod 6 is fixedly connected with a push rod 7, the surface of the second shell 2 is provided with a clamping groove matched with the first shell 1, the first shell 1 is fixed on the inner side of the clamping groove, the positions and specifications of the anode 3 and the cathode 4 are matched, the bottom of the support rod 5 is movably connected with a roller, the surface of the first shell 1 is provided with a rod hole matched with the push rod 7, and the position of the copper rod 6 is matched with the; the first shell 1, the support rod 5 and the push rod 7 are made of insulating materials; through shell 1, anodal 3, negative pole 4, bracing piece 5, bar copper 6, under the interact between the push rod 7, can make when the user promotes push rod 7 and make bar copper 6 cut anodal 3, the magnetic induction line that forms between the negative pole 4, thereby produce electric current, just so can be along with the distance change that bar copper 6 was promoted, make the through current of bar copper 6 change, just so can be through the slew rate who drives driving motor, provide the prerequisite for the size of regulation air outlet afterwards, also make when not starting the electric power cabinet, the electric power cabinet is in encapsulated situation, good dustproof effect has.
The outer part of the shell II 2 is movably connected with a driver 8, the driver 8 mainly comprises a rotating shaft, a rotating wheel and a grooved pulley, the rotating shaft is fixed outside the rotating wheel and the grooved pulley, the rotating shaft is movably connected with the shell II 2, the outer part of the rotating wheel is fixedly connected with a shifting lever, one end of the shifting lever, which is far away from the rotating wheel, is fixedly connected with a clamping bead, at least two clamping bead grooves are formed in the surface of the grooved pulley, the clamping beads are matched with the specifications of the clamping bead grooves, and the rotating wheel is; the copper bar 6 is electrically connected with a driving motor, and a rotating shaft outside the rotating wheel is electrically connected with the driving motor; the outer part of the driver 8 is movably connected with a first connecting rod 9, and the driver 8 is movably connected with the first connecting rod 9 through a short rod fixed on the outer part; the outside swing joint of connecting rod one 9 has connecting rod two 10, the outside swing joint of connecting rod two 10 has connector 11, connector 11 mainly comprises connecting rod three, bull stick, gear, stock, kelly, the outside swing joint of connecting rod three has the driving lever, three swing joint of connecting rod are in the outside of stock, the inside swing joint of stock has the bull stick, the outside fixedly connected with gear of bull stick, the gear inboard be provided with kelly specification assorted tooth and rather than swing joint.
A sliding rail 12 is fixedly connected to the outside of the second shell 2, a baffle 13 is movably connected to the inside of the sliding rail 12, a gauze 14 is fixedly connected to the bottom of the baffle 13, and a storage box 15 is fixedly connected to the outside of the second shell 2; the outside of the baffle 13 is provided with teeth, the specification of the gears is matched and meshed with the specification of the teeth outside the baffle 13, two sliding rails 12 are movably connected with the baffle 13, the gauze 14 is movably connected with a storage box 15, and an automatic recovery device is arranged inside the storage box 15; through the driver 8, connecting rod one 9, connecting rod two 10, connector 11, slide rail 12, baffle 13, gauze 14, under the interact between the receiver 15, can be so that the slew wheel adjusts the slew velocity of sheave with the block relation of sheave, the rising height that can adjust baffle 13 through driving motor's rotational speed transform and baffle 13 can drive the air outlet that gauze 14 will open and shelter from, can make like this also have certain dustproof effect when electric power cabinet moves, come the size of manual regulation air outlet to make things convenient for the heat dissipation under the different situation more according to electric power cabinet's in service behavior.
The working process and the principle are that when the electric power cabinet is started, because the inner part of the first shell 1 is fixedly connected with the anode 3, the inner part of the first shell 1 is fixedly connected with the cathode 4, the inner part of the first shell 1 is movably connected with the support rod 5, the top part of the support rod 5 is fixedly connected with the copper bar 6, the outer part of the copper bar 6 is fixedly connected with the push rod 7, the surface of the second shell 2 is provided with a clamping groove matched with the first shell 1, the first shell 1 is fixed at the inner side of the clamping groove, the positions and the specifications of the anode 3 and the cathode 4 are matched, the bottom part of the support rod 5 is movably connected with the roller, the surface of the first shell 1 is provided with a rod hole matched with the push rod 7, the position of the copper bar 6 is matched with the anode 3 and the cathode 4, the first shell 1, the support rod 5 and the push rod 7 are all made of insulating materials, when a, the movement of the copper bar 6 will cut the magnetic induction lines formed between the anode 3 and the cathode 4, so that the copper bar 6 will carry current.
Because the outside of the second shell 2 is movably connected with a driver 8, the outside of the driver 8 is movably connected with a first connecting rod 9, the outside of the first connecting rod 9 is movably connected with a second connecting rod 10, the outside of the second connecting rod 10 is movably connected with a connector 11, the outside of the second shell 2 is fixedly connected with a slide rail 12, the inside of the slide rail 12 is movably connected with a baffle 13, the bottom of the baffle 13 is fixedly connected with a gauze 14, the outside of the second shell 2 is fixedly connected with a storage box 15, the driver 8 mainly comprises a rotating shaft, a rotating wheel and a grooved pulley, the rotating shaft is fixed outside the rotating wheel and the grooved pulley and is movably connected with the second shell 2, the outside of the rotating wheel is fixedly connected with a deflector rod, one end of the deflector rod, which is far away from the rotating wheel, the surface of the grooved pulley is provided with at least two clamping bead grooves, the clamping beads are matched with the, the connector 11 mainly comprises a third connecting rod, a rotating rod, a gear, a long rod and a clamping rod, the outside of the third connecting rod is movably connected with a driving lever, the three connecting rods are movably connected with the outside of the long rod, the inside of the long rod is movably connected with the rotating rod, the outside of the rotating rod is fixedly connected with the gear, the inner side of the gear is provided with teeth matched with the specifications of the clamping rod and movably connected with the gear, the outside of a baffle 13 is provided with teeth, the specifications of the gear are matched with and meshed with the specifications of the teeth outside of the baffle 13, two sliding rails 12 are movably connected with the baffle 13, a gauze 14 is movably connected with a storage box 15, the inside of the storage box 15 is provided with an automatic recovery device, a copper rod 6 is electrically connected with a driving motor, a rotating shaft outside the rotating wheel is electrically connected with the driving motor, the driving motor operates when the current carried by the copper rod 6, The grooved pulley is driven to rotate under the action of the clamping groove, the rotating shaft and the clamping balls, the grooved pulley rotates to drive the first connecting rod 9 to move, and the first connecting rod 9 moves to drive the second connecting rod 10 to move. The second 10 motion of connecting rod drives the third motion of connecting rod, the third motion of connecting rod drives the motion of kelly, the kelly motion drives gear revolve under the effect of bull stick and stock, gear revolve drives baffle 13 upward movement, baffle 13 moves and drives the motion of gauze 14, gauze 14 shelters from the gas outlet that baffle 13 was opened, when adjusting the gas outlet size, the length change that only needs to impel shell 1 with push rod 7 makes the 6 cutting magnetism of bar copper sense lines produce more electric currents, thereby the slew velocity of control runner, when the electric power cabinet does not use, driving motor can reverse, make baffle 13 resume initial condition.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (7)
1. The utility model provides a heat dissipation dust keeper of independent equipment electric power cabinet based on electromagnetic induction principle, includes shell one (1) and shell two (2), its characterized in that: the utility model discloses a solar battery, including shell one (1), the inside fixedly connected with positive pole (3) of shell one (1), the inside fixedly connected with negative pole (4) of shell one (1), the inside swing joint of shell one (1) has bracing piece (5), the top fixedly connected with bar copper (6) of bracing piece (5), outside fixedly connected with push rod (7) of bar copper (6), the outside swing joint of shell two (2) has driver (8), the outside swing joint of driver (8) has connecting rod one (9), the outside swing joint of connecting rod one (9) has connecting rod two (10), the outside swing joint of connecting rod two (10) has connector (11), the outside fixedly connected with slide rail (12) of shell two (2), the inside swing joint of slide rail (12) has baffle (13), bottom fixedly connected with gauze (14) of baffle (13), the outside fixedly connected with receiver (15) of shell two (2).
2. The heat dissipation and dust prevention device of the independent equipment power cabinet based on the electromagnetic induction principle as claimed in claim 1, wherein: the surface of the second shell (2) is provided with a clamping groove matched with the first shell (1), the first shell (1) is fixed on the inner side of the clamping groove, the positions and specifications of the positive pole (3) and the negative pole (4) are matched, the bottom of the supporting rod (5) is movably connected with a roller, the surface of the first shell (1) is provided with a rod hole matched with the push rod (7), and the position of the copper rod (6) is matched with the positive pole (3) and the negative pole (4).
3. The heat dissipation and dust prevention device of the independent equipment power cabinet based on the electromagnetic induction principle as claimed in claim 1, wherein: the driver (8) mainly comprises a rotating shaft, a rotating wheel and a grooved wheel, the rotating shaft is fixed outside the rotating wheel and the grooved wheel, the rotating shaft is movably connected with the second shell (2), a driving lever is fixedly connected outside the rotating wheel, one end, far away from the rotating wheel, of the driving lever is fixedly connected with a clamping bead, at least two clamping bead grooves are formed in the surface of the grooved wheel, the clamping beads are matched with the clamping bead grooves in specification, and the rotating wheel is movably connected with the grooved wheel.
4. The heat dissipation and dust prevention device of the independent equipment power cabinet based on the electromagnetic induction principle as claimed in claim 1, wherein: the driver (8) is movably connected with the first connecting rod (9) through a short rod fixed outside.
5. The heat dissipation and dust prevention device of the independent equipment power cabinet based on the electromagnetic induction principle as claimed in claim 1, wherein: the connector (11) mainly comprises a third connecting rod, a rotating rod, a gear, a long rod and a clamping rod, wherein the third connecting rod is movably connected with a driving lever, the third connecting rod is movably connected with the outside of the long rod, the inside of the long rod is movably connected with the rotating rod, the gear is fixedly connected with the outside of the rotating rod, and the inner side of the gear is provided with teeth matched with the specification of the clamping rod and is movably connected with the teeth.
6. The heat dissipation and dust prevention device of the independent equipment power cabinet based on the electromagnetic induction principle as claimed in claim 1, wherein: the outside of baffle (13) is provided with the tooth, and the specification of gear and the outside tooth specification phase-match of baffle (13) and mesh mutually, slide rail (12) have two and all with baffle (13) swing joint, gauze (14) and receiver (15) swing joint, and the inside of receiver (15) is provided with automatic recovery unit.
7. The heat dissipation and dust prevention device of the independent equipment power cabinet based on the electromagnetic induction principle as claimed in claim 1, wherein: the copper bar (6) is electrically connected with the driving motor, and a rotating shaft outside the rotating wheel is electrically connected with the driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010000971.1A CN111064097B (en) | 2020-01-02 | 2020-01-02 | Heat dissipation dustproof device of independent equipment electric power cabinet based on electromagnetic induction principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010000971.1A CN111064097B (en) | 2020-01-02 | 2020-01-02 | Heat dissipation dustproof device of independent equipment electric power cabinet based on electromagnetic induction principle |
Publications (2)
| Publication Number | Publication Date |
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| CN111064097A true CN111064097A (en) | 2020-04-24 |
| CN111064097B CN111064097B (en) | 2021-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010000971.1A Expired - Fee Related CN111064097B (en) | 2020-01-02 | 2020-01-02 | Heat dissipation dustproof device of independent equipment electric power cabinet based on electromagnetic induction principle |
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| CN (1) | CN111064097B (en) |
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| CN111493552A (en) * | 2020-04-28 | 2020-08-07 | 临沂图塔莉化妆品有限公司 | Automatic cosmetics storage device based on electromagnetic induction principle |
| CN111906113A (en) * | 2020-07-16 | 2020-11-10 | 宿州青智网络科技有限公司 | Dustproof device based on electromagnetic induction principle and used for router |
| CN112460698A (en) * | 2020-11-24 | 2021-03-09 | 制朴(温州)贸易有限公司 | Intelligent dust removal device for filter screen of air outlet of central air conditioner |
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| CN112460698A (en) * | 2020-11-24 | 2021-03-09 | 制朴(温州)贸易有限公司 | Intelligent dust removal device for filter screen of air outlet of central air conditioner |
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| CN111064097B (en) | 2021-03-05 |
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Inventor after: Liu Hongwei Inventor after: Liu Tong Inventor after: Zhang Yucha Inventor before: Zhang Yucha |
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Effective date of registration: 20210222 Address after: No. 999, Huanghe Road, Zaozhuang City, Shandong Province Applicant after: Liu Hongwei Address before: 325200 Beiyu village, Shangwang street, Ruian City, Wenzhou City, Zhejiang Province Applicant before: Zhang Yucha |
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