CN117526588B - Electromagnetic shielding device for wireless power transmission - Google Patents

Electromagnetic shielding device for wireless power transmission Download PDF

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Publication number
CN117526588B
CN117526588B CN202410019087.0A CN202410019087A CN117526588B CN 117526588 B CN117526588 B CN 117526588B CN 202410019087 A CN202410019087 A CN 202410019087A CN 117526588 B CN117526588 B CN 117526588B
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CN
China
Prior art keywords
block
fixedly connected
sliding connection
slide
bottom plate
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CN202410019087.0A
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Chinese (zh)
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CN117526588A (en
Inventor
寇志伟
陈杰
崔啸鸣
尹煜
李文军
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Inner Mongolia University of Technology
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Inner Mongolia University of Technology
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Priority to CN202410019087.0A priority Critical patent/CN117526588B/en
Publication of CN117526588A publication Critical patent/CN117526588A/en
Application granted granted Critical
Publication of CN117526588B publication Critical patent/CN117526588B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/02Arrangements of circuit components or wiring on supporting structure
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/18Construction of rack or frame
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20145Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20172Fan mounting or fan specifications
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007Casings

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The invention relates to the technical field of electromagnetic shielding devices, in particular to an electromagnetic shielding device for wireless power transmission, which comprises a shielding instrument body, a mounting structure, a protection structure, a wiring structure, an auxiliary structure, a replacement structure, a bottom plate and a heat radiation fan, wherein the mounting structure is arranged on the shielding instrument body; the protective shell is quickly disassembled through the protective structure, so that a circuit board inside the protective shell is conveniently observed, the limit on the shielding instrument body is conveniently removed through the protective structure, the operation is simple and quick, the installation and disassembly efficiency of the protective shell is improved, and the installation and disassembly efficiency of the shielding instrument body is improved; the wire is reasonably routed through the routing structure, and the electric connection between the radiating fan and the circuit board power supply module and the power supply is disconnected through the auxiliary structure, so that when the radiating fan and the protective shell are disassembled, the connected wires cannot be broken, and the service life of the internal circuit is prolonged; the heat dissipation fan is replaced from the outside of the protective shell through the replacement structure, so that accumulated dust on the heat dissipation fan is conveniently cleaned, and the heat dissipation effect is improved.

Description

Electromagnetic shielding device for wireless power transmission
Technical Field
The invention relates to the technical field of electromagnetic shielding devices, in particular to an electromagnetic shielding device for wireless power transmission.
Background
Wireless power transfer, also known as wireless energy transfer or wireless power transfer, is accomplished by electromagnetic induction and energy conversion; after the wireless power transmission is transmitted at intervals for a certain distance, the relay energy is converted into electric energy through the receiver, so that a transmission mode of wireless power transmission is realized; in order to avoid that communication equipment in a field receives radio signals in a special occasion, a radio shielding device, namely a common signal shielding instrument, is adopted, a fixed electromagnetic signal is generated through the shielding instrument, and a plurality of frequency bands of mobile communication are covered, so that the electronic equipment cannot accurately receive the radio signals sent by a base station, and the shielding purpose of the electronic equipment is achieved.
However, when the traditional shielding instrument is used for overhauling and maintaining an internal circuit board, the screw fixed on the protecting shell is required to be unscrewed, the protecting shell is made of aluminum, the screw on the protecting shell is easy to slide due to frequent rotation of the fixed screw on the protecting shell, the protecting shell cannot be normally installed subsequently, and meanwhile, the efficiency of rotating the screw to detach the protecting shell is low; some shielding instruments are fixed on the wall through screws, an internal circuit board is fixed on a bottom plate, and the whole bottom plate is required to be detached from the wall when the circuit board is overhauled, so that the operation is troublesome; meanwhile, when the protective shell is disassembled, as the internal circuit is fixed on the bottom plate, the electric wires connected with the radiating fan on the protective shell and the electric wires connected with the power end of the bottom plate are easy to be involved, and the electric wires at the power end are easy to be pulled and fall off, so that the subsequent use of the radiating fan is influenced; meanwhile, a large amount of dust can be accumulated after the cooling fan works for a period of time, the fan blades of the cooling fan are required to be cleaned regularly, the protective shell is required to be detached firstly when the cooling fan is detached, the cooling fan is detached from the inside, the operation is troublesome, and the maintenance and repair of the cooling fan at the later stage are more troublesome.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an electromagnetic shielding device for wireless power transmission.
The technical scheme adopted for solving the technical problems is as follows: an electromagnetic shielding device for wireless power transmission comprises a bottom plate, a shielding instrument body arranged on the bottom plate, an installation structure arranged on the bottom plate, a protection structure arranged on the bottom plate, a heat radiation fan arranged on the protection structure, and a wiring structure arranged on the protection structure; the protection structure comprises a fixed plate, two fixed plates are fixedly connected to the bottom plate, two sliding connection has a protection shell on the fixed plate, sliding connection presses the piece on the fixed plate, press fixedly connected with cross-section to be trapezoidal to the piece on the briquetting, sliding connection between piece and the fixed plate, it has the stay cord to run through on the fixed plate, the bottom of supporting the piece is contradicted with the center department of stay cord, the both ends of stay cord fixedly connected with stopper that a cross-section is trapezoidal respectively, sliding connection between stopper and the fixed plate, correspond on the protection shell be equipped with the spacing groove of block between stopper, fixedly connected with first spring between stopper and the fixed plate, press fixedly connected with second spring between briquetting and the fixed plate.
Specifically, mounting structure includes the guide rail, fixedly connected with guide rail on the bottom plate, the cross-section is L shape sliding connection between shielding appearance body and the guide rail, fixedly connected with baffle on the bottom plate, contradict between the bottom of shielding appearance body and the baffle, the baffle with the border department of shielding appearance body all is equipped with the mounting groove, be equipped with the fixed strip of pegging graft with the mounting groove on the protecting crust.
Specifically, according to the bottom fixedly connected with connecting block of briquetting, sliding connection between connecting block and the bottom plate, it is connected with the roller bearing to rotate on the connecting block, the inside sliding connection of bottom plate has the slider, be equipped with the guide way of slope on the slider, roll connection between roller bearing and the guide way, fixedly connected with slide on the slider, sliding connection between slide and the bottom plate, fixedly connected with first fixture block on the slide, be equipped with first draw-in groove on the shielding appearance body, the block is between first fixture block and the first draw-in groove.
Specifically, walk line structure includes three installation piece, one of them installation piece fixed connection is on the shielding appearance body, and two other installation pieces are fixed connection respectively on the radiator fan, it has two fixed covers to peg graft on the installation piece, the inside of fixed cover is equipped with insulating cover, the inside of insulating cover is equipped with the electric property lug.
Specifically, sliding connection has the driving lever on the installation piece, sliding connection's between two and the installation piece inserted blocks of fixedly connected with on the driving lever, fixed cover is equipped with the slot, block between inserted block and the slot, the inside fixedly connected with guiding axle of installation piece, sliding connection between driving lever and the guiding axle, the outside cover of guiding axle is equipped with the third spring, the both ends of third spring are fixed connection respectively on driving lever and installation piece.
Specifically, be equipped with auxiliary structure on the protecting crust, auxiliary structure includes two slide rails, fixedly connected with two slide rails on the protecting crust, sliding connection has the installation strip in the middle of two slide rails, the inside of installation strip is equipped with two connecting wires of being connected with the power cord, three electric property concave blocks of electric connection on the connecting wire, two of every group electric property concave block contradict and electrically conduct between two electric property lugs on every installation block respectively, the outside of electric property concave block is also fixedly connected with insulating cover, fixed connection between insulating cover and the installation strip.
Specifically, two fixedly connected with connecting strip in the middle of the slide rail, fixedly connected with a plurality of guide posts that the cross-section is T shape on the installation strip, sliding connection between guide post and the connecting strip, the outside cover of guide post is equipped with the fourth spring, on both ends of fourth spring fixed connection respectively and installation strip and the connecting strip.
Specifically, fixedly connected with draw-in bar on the installation strip, sliding connection between draw-in bar and the protecting crust, fixedly connected with protection piece on the draw-in bar, sliding connection between protection piece and the protecting crust, sliding connection has the plug shaft on the draw-in bar, sliding connection between plug shaft and the protection piece, fixedly connected with slide on the plug shaft, sliding connection between slide and the draw-in bar, fixedly connected with second fixture block on the slide, be equipped with the second draw-in groove on the protecting crust, the block between second fixture block and the second draw-in groove, be equipped with the guide bar on the protecting crust, sliding connection between slide and the guide bar, the outside cover of guide bar is equipped with the fifth spring, the both ends of fifth spring are fixedly connected with on slide and the protecting crust respectively.
Specifically, be equipped with the change structure on the heat dissipation fan, the change structure includes the anticreep piece, circumference array sliding connection has four sections to be trapezoidal anticreep pieces on the heat dissipation fan, fixedly connected with sixth spring between anticreep piece and the heat dissipation fan, be equipped with annular anticreep groove on the protecting crust, the block between anticreep piece and the anticreep groove.
Specifically, the inside sliding connection of anticreep groove has the sliding ring, sliding connection between sliding ring and the heat dissipation fan, two drive blocks of fixedly connected with on the sliding ring, sliding connection between drive block and the protecting crust, threaded connection has the screw rod on one of them drive block, rotate between screw rod and the protecting crust and be connected, run through the guide bar on another one drive block, guide bar fixed connection is in the inside of protecting crust, sliding connection between drive block and the guide bar.
The beneficial effects of the invention are as follows:
(1) According to the electromagnetic shielding device for wireless power transmission, the shielding instrument body is arranged on the bottom plate, the protective structure is arranged on the bottom plate, and the mounting structure is arranged on the bottom plate, so that the protective shell can be conveniently and rapidly detached through the protective structure, further, the circuit board inside the protective shell can be conveniently observed, meanwhile, the limiting of the shielding instrument body is conveniently removed through the protective structure, the operation is simple and rapid, further, the shielding instrument body can be conveniently detached from the bottom plate, the mounting and detaching efficiency of the protective shell is improved, and meanwhile, the mounting and detaching efficiency of the shielding instrument body is improved.
(2) According to the electromagnetic shielding device for wireless power transmission, the wiring structure is arranged on the protective shell, the auxiliary structure is arranged on the protective shell, wires are reasonably routed through the wiring structure, and the electric connection between the radiating fan and the circuit board power supply module and the power supply is disconnected through the auxiliary structure, so that when the radiating fan and the protective shell are disassembled, the connected wires cannot be pulled off, and the service life of an internal circuit is prolonged.
(3) According to the electromagnetic shielding device for wireless power transmission, the replacement structure is arranged on the protective shell, and the radiating fan is quickly replaced through the replacement structure, so that the radiating fan is conveniently replaced from the outside of the protective shell, dust accumulated on the radiating fan is conveniently cleaned, and the radiating effect is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of a preferred embodiment of an electromagnetic shielding device for wireless power transmission according to the present invention;
FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;
FIG. 3 is a schematic diagram showing a connection structure between a shielding device body and a base plate according to the present invention;
FIG. 4 is an enlarged schematic view of the B-section structure shown in FIG. 3;
FIG. 5 is an enlarged schematic view of the structure of the portion C shown in FIG. 3;
FIG. 6 is a schematic diagram of a connection structure between a protecting case and a heat dissipating fan according to the present invention;
FIG. 7 is a schematic view of the connection structure of the protective housing and the mounting bar according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of the portion D shown in FIG. 7;
FIG. 9 is an enlarged schematic view of the E-section structure shown in FIG. 7;
FIG. 10 is a schematic view of the connection structure of the bottom plate and the guide rail of the present invention;
fig. 11 is an enlarged schematic view of the F-section structure shown in fig. 10;
FIG. 12 is a schematic view of the connection structure of the pressing block and the connection block of the present invention;
FIG. 13 is a schematic diagram of a connection structure of a pull rope and a limiting block according to the present invention;
FIG. 14 is a schematic view of the connection structure of the mounting block and the dial of the present invention;
FIG. 15 is a schematic view of a connection structure between a rail and a mounting bar according to the present invention;
fig. 16 is an enlarged schematic view of the G portion structure shown in fig. 15;
FIG. 17 is a schematic view of a connection structure between a shaft and a slider of the present invention;
FIG. 18 is a schematic diagram illustrating a connection structure between a second latch and a second slot according to the present invention;
FIG. 19 is a schematic view of the connection structure of the screw and the protective shell of the present invention;
fig. 20 is an enlarged schematic view of the H-section structure shown in fig. 19;
FIG. 21 is a schematic diagram of a connection structure of a slip ring and a protective housing according to the present invention.
In the figure: 1. a shielding instrument body; 2. a mounting structure; 201. a guide rail; 202. a baffle; 203. a connecting block; 204. a roller; 205. a slide block; 206. a guide groove; 207. a slide; 208. a first clamping block; 209. a first clamping groove; 3. a protective structure; 301. a fixing plate; 302. a protective shell; 303. pressing the blocks; 304. abutting blocks; 305. a pull rope; 306. a limiting block; 307. a limit groove; 308. a first spring; 309. a second spring; 310. a mounting groove; 311. a fixing strip; 4. a wiring structure; 401. a mounting block; 402. a fixed sleeve; 403. an electrical bump; 404. an insulating sleeve; 405. a deflector rod; 406. inserting blocks; 407. a slot; 408. a guide shaft; 409. a third spring; 410. a mounting bar; 411. a connecting wire; 412. an electrical concave block; 5. an auxiliary structure; 501. a slide rail; 502. a connecting strip; 503. a guide post; 504. a fourth spring; 505. a slide bar; 506. a protective block; 507. inserting a shaft; 508. a slide plate; 509. a second clamping block; 510. a second clamping groove; 511. a guide bar; 512. a fifth spring; 6. replacing the structure; 601. a screw; 602. a driving block; 603. a guide rod; 604. a slip ring; 605. an anti-drop groove; 606. an anti-falling block; 607. a sixth spring; 7. a bottom plate; 8. a heat dissipation fan.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 21, the electromagnetic shielding device for wireless power transmission according to the present invention includes a base plate 7, a shielding instrument body 1 mounted on the base plate 7, a mounting structure 2 provided on the base plate 7, a protective structure 3 provided on the base plate 7, a heat dissipation fan 8 mounted on the protective structure 3, and a wiring structure 4 provided on the protective structure 3; the protection structure 3 comprises a fixing plate 301, two fixing plates 301 are fixedly connected to the bottom plate 7, a protection shell 302 is slidably connected to the fixing plates 301, a pressing block 303 is slidably connected to the fixing plates 301, a supporting block 304 with a trapezoid cross section is fixedly connected to the pressing block 303, the supporting block 304 is slidably connected with the fixing plates 301, a pull rope 305 penetrates through the fixing plates 301, the bottom end of the supporting block 304 is abutted to the center of the pull rope 305, two limiting blocks 306 with trapezoid cross sections are fixedly connected to the two ends of the pull rope 305 respectively, the limiting blocks 306 are slidably connected with the fixing plates 301, limiting grooves 307 which are clamped with the limiting blocks 306 are correspondingly formed in the protection shell 302, a first spring 308 is fixedly connected between the limiting blocks 306 and the fixing plates 301, and a second spring 309 is fixedly connected between the pressing block 303 and the fixing plates 301.
Specifically, the mounting structure 2 includes a guide rail 201, the bottom plate 7 is fixedly connected with the guide rail 201, the shielding instrument body 1 with an L-shaped section is slidably connected with the guide rail 201, the bottom plate 7 is fixedly connected with a baffle 202, the bottom end of the shielding instrument body 1 is in contact with the baffle 202, the edges of the baffle 202 and the shielding instrument body 1 are respectively provided with a mounting groove 310, and the protective shell 302 is provided with a fixing strip 311 which is inserted into the mounting groove 310; the bottom end of the pressing block 303 is fixedly connected with a connecting block 203, the connecting block 203 is in sliding connection with the bottom plate 7, a roller 204 is rotationally connected to the connecting block 203, a sliding block 205 is slidably connected to the inside of the bottom plate 7, an inclined guide groove 206 is formed in the sliding block 205, the roller 204 is in rolling connection with the guide groove 206, a sliding seat 207 is fixedly connected to the sliding block 205, the sliding seat 207 is in sliding connection with the bottom plate 7, a first clamping block 208 is fixedly connected to the sliding seat 207, a first clamping groove 209 is formed in the shielding instrument body 1, and the first clamping block 208 is clamped with the first clamping groove 209; namely: when the protective shell 302 needs to be disassembled, only the pressing block 303 on the fixing plate 301 is needed to be pressed, the second spring 309 is compressed, the pressing block 303 slides to drive the abutting block 304 to slide, the abutting block 304 slides to further abut against the pull rope 305, the limiting blocks 306 at two ends of the pull rope 305 are pulled to be not clamped with the limiting grooves 307 on the protective shell 302, the first spring 308 is compressed, the protective shell 302 can be pulled down from the fixing plate 301 at the moment, meanwhile, the fixing strip 311 on the protective shell 302 is pulled out from the baffle 202 and the mounting groove 310 on the shielding instrument body 1, the fixing strip 311 and the mounting groove 310 improve the mounting stability of the protective shell 302, when the protective shell 302 needs to be mounted, only the grooves at two sides of the protective shell 302 are aligned with the fixing plate 301 and then the protective shell 302 is inserted, and as the section of the limiting blocks 306 is of a trapezoid structure, the first spring 308 is contracted and reset, the driving limiting block 306 is clamped in the limiting groove 307 on the protecting shell 302, after the protecting shell 302 is disassembled, whether the shielding instrument body 1 is disassembled or not can be determined according to actual conditions, when the shielding instrument body 1 is required to be disassembled, the pressing block 303 can be pressed, the second spring 309 is contracted, the pressing block 303 drives the connecting block 203 to slide, the connecting block 203 slides to further drive the roller 204 to roll in the guide groove 206 in the sliding block 205, the sliding block 205 is further driven to slide, the sliding block 205 slides to drive the sliding seat 207 to slide, the sliding seat 207 slides to drive the first clamping block 208 not to be clamped with the first clamping groove 209 on the shielding instrument body 1 any more, at the moment, the shielding instrument body 1 can be slid down from the guide rail 201 on the bottom plate 7, and then a circuit board on the shielding instrument body 1 is convenient to overhaul, and the protecting shell 302 and the shielding instrument body 1 can be rapidly disassembled by pressing the pressing block 303, the efficiency of the installation and the disassembly of the protective housing 302 and the shielding body 1 is improved.
Specifically, the wiring structure 4 includes three mounting blocks 401, one of the mounting blocks 401 is fixedly connected to the shielding instrument body 1, the other two mounting blocks 401 are respectively fixedly connected to the heat dissipation fan 8, two fixing sleeves 402 are inserted on the mounting blocks 401, an insulating sleeve 404 is arranged in the fixing sleeve 402, and an electrical bump 403 is arranged in the insulating sleeve 404; a deflector rod 405 is slidably connected to the mounting block 401, two insertion blocks 406 which are slidably connected with the mounting block 401 are fixedly connected to the deflector rod 405, a slot 407 is formed in the fixing sleeve 402, the insertion blocks 406 are clamped with the slot 407, a guide shaft 408 is fixedly connected to the inside of the mounting block 401, the deflector rod 405 is slidably connected with the guide shaft 408, a third spring 409 is sleeved outside the guide shaft 408, and two ends of the third spring 409 are fixedly connected to the deflector rod 405 and the mounting block 401 respectively; the protection shell 302 is provided with an auxiliary structure 5, the auxiliary structure 5 comprises two slide rails 501, the protection shell 302 is fixedly connected with two slide rails 501, an installation strip 410 is slidably connected between the two slide rails 501, two connecting wires 411 connected with a power line are arranged inside the installation strip 410, three groups of electric concave blocks 412 are electrically connected to the connecting wires 411, the two electric concave blocks 412 of each group respectively collide with and conduct electricity with the two electric convex blocks 403 on each installation block 401, an insulating sleeve 404 is fixedly connected to the outside of each electric concave block 412, and the insulating sleeve 404 is fixedly connected with the installation strip 410;
a connecting bar 502 is fixedly connected between the two sliding rails 501, a plurality of guide posts 503 with T-shaped sections are fixedly connected to the mounting bar 410, the guide posts 503 are in sliding connection with the connecting bar 502, a fourth spring 504 is sleeved outside the guide posts 503, and two ends of the fourth spring 504 are respectively fixedly connected with the mounting bar 410 and the connecting bar 502; the installation strip 410 is fixedly connected with a sliding strip 505, the sliding strip 505 is in sliding connection with the protective shell 302, the sliding strip 505 is fixedly connected with a protective block 506, the protective block 506 is in sliding connection with the protective shell 302, the sliding strip 505 is fixedly connected with an inserting shaft 507, the inserting shaft 507 is in sliding connection with the protective block 506, the inserting shaft 507 is fixedly connected with a sliding plate 508, the sliding plate 508 is in sliding connection with the sliding strip 505, the sliding plate 508 is fixedly connected with a second clamping block 509, the protective shell 302 is provided with a second clamping groove 510, the second clamping block 509 is clamped with the second clamping groove 510, the protective shell 302 is provided with a guide strip 511, the sliding plate 508 is in sliding connection with the guide strip 511, a fifth spring 512 is sleeved outside the guide strip 511, and two ends of the fifth spring 512 are respectively fixedly connected with the sliding plate 508 and the protective shell 302; namely: during wiring, a power supply is arranged on the protective shell 302, a power line is electrically connected with a connecting line 411 in the mounting strip 410, then a fixed sleeve 402 on an electric wire of a power-on module on the shielding instrument body 1 is inserted on a mounting block 401 on the shielding instrument body 1, a deflector rod 405 on the mounting block 401 is firstly stirred, a third spring 409 contracts, the deflector rod 405 drives an inserting block 406 to slide, then the fixed sleeve 402 is inserted on the mounting block 401, after the deflector rod 405 is loosened, the third spring 409 resets and drives the deflector rod 405 to reset and drive the inserting block 406 to insert into a slot 407 on the fixed sleeve 402, so that the stability of the fixed sleeve 402 is improved, the sliding stability of the deflector rod 405 is improved by the guide shaft 408, meanwhile, the deflection of the third spring 409 is avoided, the fixed sleeve 402 on the power-on module of the heat radiation fan 8 is inserted on the mounting block 401 on the heat radiation fan 8, the connecting line 411 on the mounting strip 410 is electrically conductive in the same way, the current is transmitted to the electric concave block 412 on the mounting strip 410, when the electric convex block 403 on the fixing sleeve 402 is fully contacted with the electric concave block 412, the current is transmitted to the circuit board and the heat dissipation fan 8, when the protecting shell 302 and the heat dissipation fan 8 need to be disassembled, the six-edge wrench is needed to push the inserting shaft 507 on the protecting block 506, the inserting shaft 507 drives the sliding plate 508 to slide, the fifth spring 512 contracts, the second clamping block 509 on the sliding plate 508 is not clamped with the second clamping groove 510 on the protecting shell 302 any more, at this time, the six-edge wrench can be lifted upwards, the six-edge wrench drives the inserting shaft 507 to move upwards, the sliding strip 505 is driven to move upwards, the mounting strip 410 is driven to move upwards on the sliding rail 501, the fourth spring 504 contracts, after the sliding strip is slid to a certain height, the six-edge wrench is released, the fifth spring 512 resets to drive the second clamping block 509 to be clamped with the second clamping groove 510 above, at this time, the electrical concave block 412 on the mounting strip 410 is completely separated from the electrical convex block 403 on the mounting block 401, so that the disassembly of the protective shell 302 and the heat dissipation fan 8 is not affected, and meanwhile, all power supply wires cannot be violently dragged during the disassembly, so that the wires are protected, the service life of the internal circuit is prolonged, and the electric connection effect is better.
Specifically, a replacement structure 6 is arranged on the heat dissipation fan 8, the replacement structure 6 includes a drop-proof block 606, four drop-proof blocks 606 with trapezoidal cross sections are slidably connected to the circumference array on the heat dissipation fan 8, a sixth spring 607 is fixedly connected between the drop-proof block 606 and the heat dissipation fan 8, an annular drop-proof groove 605 is arranged on the protective shell 302, and the drop-proof blocks 606 are clamped with the drop-proof grooves 605; the inside of the anti-drop groove 605 is slidably connected with a slip ring 604, the slip ring 604 is slidably connected with a heat dissipation fan 8, two driving blocks 602 are fixedly connected to the slip ring 604, the driving blocks 602 are slidably connected with the protective shell 302, one driving block 602 is in threaded connection with a screw 601, the screw 601 is rotatably connected with the protective shell 302, the other driving block 602 is penetrated with a guide rod 603, the guide rod 603 is fixedly connected to the inside of the protective shell 302, and the driving block 602 is slidably connected with the guide rod 603; namely: when the heat dissipation fan 8 needs to be replaced, the power supply connection of the heat dissipation fan 8 is disconnected through the auxiliary structure 5, then the screw 601 on the protective shell 302 is rotated through the hexagonal wrench, the screw 601 rotates to drive the driving block 602 to slide, the driving block 602 slides to drive the sliding ring 604 to slide, the sliding ring 604 slides to slowly abut against the anti-falling block 606, the anti-falling block 606 further contracts into the heat dissipation fan 8, the sixth spring 607 compresses, the heat dissipation fan 8 can be pulled out of the protective shell 302 at the moment and then dust on the heat dissipation fan 8 is cleaned, when the heat dissipation fan 8 is installed, the part fixed with the installation block 401 is required to face upwards, then the heat dissipation fan 8 is inserted into a hole on the protective shell 302, the anti-falling block 606 contracts firstly and then is clamped into the anti-falling groove 605 under the reset action of the sixth spring 607, then the heat dissipation fan 8 is installed, and the sliding stability of the sliding ring 604 is improved due to the arrangement of the guide rod 603.
When the invention is used, firstly, during wiring, a power supply is arranged on the protective shell 302, a power line is electrically connected with a connecting line 411 in the mounting strip 410, then a fixed sleeve 402 on an electric wire of a power connection module on the shielding instrument body 1 is plugged on a mounting block 401 on the shielding instrument body 1, a deflector rod 405 on the mounting block 401 is stirred first, a third spring 409 is contracted, the deflector rod 405 drives an inserting block 406 to slide, then after the fixed sleeve 402 is plugged on the mounting block 401, the deflector rod 405 can be loosened, the third spring 409 resets and drives the deflector rod 405 to reset and drive the inserting block 406 to be inserted into a slot 407 on the fixed sleeve 402, so that the stability of the fixed sleeve 402 is improved, the setting of the guide shaft 408 improves the sliding stability of the deflector rod 405, meanwhile, the deflection of the third spring 409 is avoided, the fixed sleeve 402 on the power connection module of the heat dissipation fan 8 is plugged on the mounting block 401 on the heat dissipation fan 8 according to the same method, the connecting wire 411 on the mounting strip 410 is internally conductive, current is transmitted to the electric concave block 412 on the mounting strip 410, when the electric convex block 403 on the fixing sleeve 402 is fully contacted with the electric concave block 412, current is transmitted to the circuit board and the heat dissipation fan 8, when the protective shell 302 and the heat dissipation fan 8 need to be disassembled, the plug shaft 507 on the protective block 506 needs to be pushed by a hexagonal spanner before the plug shaft 507 drives the slide plate 508 to slide, the fifth spring 512 contracts, the second clamping block 509 on the slide plate 508 is not clamped with the second clamping groove 510 on the protective shell 302 any more, at the moment, the hexagonal spanner can be lifted upwards, the hexagonal spanner drives the plug shaft 507 to move upwards, and then drives the slide bar 505 to move upwards, the slide bar 505 moves upwards to drive the mounting strip 410 to move upwards on the slide rail 501, the fourth spring 504 contracts, and after the slide is slid to a certain height, the hexagonal spanner is released, the fifth spring 512 resets to drive the second clamping block 509 to be clamped with the second clamping groove 510 above, at this time, the electrical concave block 412 on the mounting strip 410 is completely separated from the electrical convex block 403 on the mounting block 401, so that the disassembly of the protective shell 302 and the heat dissipation fan 8 is not affected, and meanwhile, all power supply wires are not pulled by violence during the disassembly, so that the wires are protected, the service life of the internal circuit is prolonged, and the power connection effect is better;
then, when the protective shell 302 needs to be disassembled, only the pressing block 303 on the fixing plate 301 is needed to be pressed, the second spring 309 compresses, the pressing block 303 slides to drive the abutting block 304 to slide, the abutting block 304 slides to further abut against the pull rope 305, the pull rope 305 further pulls the limiting blocks 306 at two ends to be not clamped with the limiting grooves 307 on the protective shell 302, the first spring 308 compresses, the protective shell 302 can be pulled down from the fixing plate 301 at the moment, meanwhile, the fixing strip 311 on the protective shell 302 is pulled out from the baffle 202 and the mounting groove 310 on the shielding instrument body 1, the fixing strip 311 and the mounting groove 310 improve the mounting stability of the protective shell 302, when the protective shell 302 needs to be mounted, only the grooves at two sides of the protective shell 302 are required to be aligned with the fixing plate 301, then the protective shell 302 is inserted, as the section of the limiting blocks 306 is of a trapezoid structure, the first spring 308 is contracted and reset firstly, the limiting block 306 is driven to be clamped in the limiting groove 307 on the protecting shell 302, after the protecting shell 302 is disassembled, whether the shielding instrument body 1 is disassembled or not can be determined according to practical conditions, when the shielding instrument body 1 is required to be disassembled, the pressing block 303 can be pressed, the second spring 309 is contracted, the pressing block 303 drives the connecting block 203 to slide, the connecting block 203 slides and further drives the roller 204 to roll in the guide groove 206 in the sliding block 205, the sliding block 205 is driven to slide, the sliding block 205 slides and drives the sliding seat 207 to slide, the sliding seat 207 slides and drives the first clamping block 208 to be not clamped with the first clamping groove 209 on the shielding instrument body 1 any more, at the moment, the shielding instrument body 1 can be slid down from the guide rail 201 on the bottom plate 7, so that a circuit board on the shielding instrument body 1 is convenient to overhaul, and the protecting shell 302 and the shielding instrument body 1 can be disassembled rapidly by pressing the pressing block 303, the mounting and dismounting efficiency of the protective shell 302 and the shielding instrument body 1 is improved;
finally, when the heat dissipation fan 8 needs to be replaced, the power supply connection of the heat dissipation fan 8 is disconnected through the auxiliary structure 5, then the screw 601 on the protective shell 302 is rotated through the hexagonal wrench, the screw 601 rotates to drive the driving block 602 to slide, the driving block 602 slides to drive the sliding ring 604 to slide, the sliding ring 604 slides to slowly abut against the anti-falling block 606, the anti-falling block 606 further contracts into the heat dissipation fan 8, the sixth spring 607 compresses, the heat dissipation fan 8 can be pulled out from the protective shell 302 at the moment and then dust on the heat dissipation fan 8 is cleaned, when the heat dissipation fan 8 is installed, the direction fixed with the installation block 401 is required to be upwards, then the heat dissipation fan 8 is inserted into a hole on the protective shell 302, the anti-falling block 606 contracts first and then is clamped into the anti-falling groove 605 under the reset action of the sixth spring 607, the heat dissipation fan 8 is installed, and the sliding stability of the sliding ring 604 is improved due to the arrangement of the guide rod 603.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The electromagnetic shielding device for wireless power transmission is characterized by comprising a bottom plate (7), a shielding instrument body (1) arranged on the bottom plate (7), an installation structure (2) arranged on the bottom plate (7), a protection structure (3) arranged on the bottom plate (7), a heat radiation fan (8) arranged on the protection structure (3) and a wiring structure (4) arranged on the protection structure (3);
the protection structure (3) comprises a fixing plate (301), two fixing plates (301) are fixedly connected to a bottom plate (7), two protection shells (302) are fixedly connected to the fixing plates (301) in a sliding mode, pressing blocks (303) are fixedly connected to the fixing plates (301) in a sliding mode, supporting blocks (304) with trapezoid cross sections are fixedly connected to the pressing blocks (303), pulling ropes (305) penetrate through the fixing plates (301), limiting blocks (306) with trapezoid cross sections are fixedly connected to the two ends of the pulling ropes (305) respectively, limiting grooves (307) which are clamped between the limiting blocks (306) are correspondingly formed in the protection shells (302), first springs (308) are fixedly connected between the limiting blocks (306) and the fixing plates (301), and second springs (309) are fixedly connected between the pressing blocks (303) and the fixing plates (301); the mounting structure (2) comprises a guide rail (201), the guide rail (201) is fixedly connected to the bottom plate (7), the cross section of the bottom plate (7) is in L-shaped sliding connection with the guide rail (201), the baffle (202) is fixedly connected to the bottom plate (7), the bottom end of the shielding instrument body (1) is abutted against the baffle (202), mounting grooves (310) are formed in the edges of the baffle (202) and the shielding instrument body (1), and fixing strips (311) which are spliced with the mounting grooves (310) are arranged on the protective shell (302);
the wiring structure (4) comprises three mounting blocks (401), wherein one mounting block (401) is fixedly connected to the shielding instrument body (1), the other two mounting blocks (401) are respectively and fixedly connected to the heat dissipation fan (8), two fixing sleeves (402) are inserted on the mounting blocks (401), an insulating sleeve (404) is arranged in the fixing sleeve (402), and an electric bump (403) is arranged in the insulating sleeve (404); be equipped with on heat dissipation fan (8) and change structure (6), change structure (6) including anticreep piece (606), circumference array sliding connection has four sections to be trapezoidal anticreep piece (606) on heat dissipation fan (8), fixedly connected with sixth spring (607) between anticreep piece (606) and heat dissipation fan (8), be equipped with annular anticreep groove (605) on protecting crust (302), the block between anticreep piece (606) and anticreep groove (605).
2. An electromagnetic shielding device for wireless power transmission according to claim 1, wherein: the bottom fixedly connected with connecting block (203) of pressing block (303), sliding connection between connecting block (203) and bottom plate (7), rotate on connecting block (203) and be connected with roller (204), the inside sliding connection of bottom plate (7) has slider (205), be equipped with guide slot (206) of slope on slider (205), rolling connection between roller (204) and guide slot (206), fixedly connected with slide (207) on slider (205), sliding connection between slide (207) and bottom plate (7), fixedly connected with first fixture block (208) on slide (207), be equipped with first draw-in groove (209) on shielding appearance body (1), the block between first fixture block (208) and first draw-in groove (209).
3. An electromagnetic shielding device for wireless power transmission according to claim 1, wherein: the utility model discloses a sliding connection has driving lever (405) on installation piece (401), fixed connection has two and installation piece (401) between sliding connection's inserted block (406) on driving lever (405), fixed sleeve (402) are equipped with slot (407), block between inserted block (406) and slot (407), the inside fixedly connected with guiding axle (408) of installation piece (401), sliding connection between driving lever (405) and guiding axle (408), the outside cover of guiding axle (408) is equipped with third spring (409), the both ends of third spring (409) are fixed connection respectively on driving lever (405) and installation piece (401).
4. An electromagnetic shielding device for wireless power transmission according to claim 1, wherein: be equipped with auxiliary structure (5) on protecting crust (302), auxiliary structure (5) include two slide rails (501), fixedly connected with two slide rails (501) on protecting crust (302), sliding connection has installation strip (410) in the middle of two slide rails (501), the inside of installation strip (410) is equipped with two connecting wires (411) that are connected with the power cord, three electric concave blocks (412) of electric connection on connecting wire (411), two of every group electric concave blocks (412) contradict and electrically conduct between two electric bumps (403) on every installation block (401) respectively, outside fixedly connected with insulating cover (404) of electric concave blocks (412) also, fixed connection between insulating cover (404) and installation strip (410).
5. An electromagnetic shielding device for wireless power transmission according to claim 4, wherein: fixedly connected with connecting strip (502) in the middle of two slide rail (501), fixedly connected with a plurality of guide posts (503) that the cross-section is T shape on installation strip (410), sliding connection between guide post (503) and connecting strip (502), the outside cover of guide post (503) is equipped with fourth spring (504), on both ends of fourth spring (504) respectively fixed connection and installation strip (410) and connecting strip (502).
6. An electromagnetic shielding device for wireless power transmission according to claim 5, wherein: fixedly connected with draw-bar (505) on installation strip (410), sliding connection between draw-bar (505) and protective housing (302), fixedly connected with guard block (506) on draw-bar (505), sliding connection between guard block (506) and protective housing (302), sliding connection has plug shaft (507) on draw-bar (505), sliding connection between plug shaft (507) and protective block (506), fixedly connected with slide (508) on plug shaft (507), sliding connection between slide (508) and draw-bar (505), fixedly connected with second fixture block (509) on slide (508), be equipped with second draw-in groove (510) on protective housing (302), block between second fixture block (509) and second fixture block (510), be equipped with guide bar (511) on protective housing (302), sliding connection between slide (508) and guide bar (511), the outside cover of guide bar (511) is equipped with fifth spring (512), fifth spring (508) are fixed connection on slide (512) and protective housing (302) respectively.
7. An electromagnetic shielding device for wireless power transmission according to claim 1, wherein: the inside sliding connection of anticreep groove (605) has sliding ring (604), sliding connection between sliding ring (604) and radiator fan (8), fixedly connected with two drive blocks (602) on sliding ring (604), sliding connection between drive block (602) and protecting crust (302), threaded connection has screw rod (601) on one of them drive block (602), rotate between screw rod (601) and protecting crust (302) and be connected, run through on another drive block (602) guide bar (603), inside sliding connection between guide bar (603) fixed connection in protecting crust (302), sliding connection between drive block (602) and guide bar (603).
CN202410019087.0A 2024-01-05 2024-01-05 Electromagnetic shielding device for wireless power transmission Active CN117526588B (en)

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Publication number Priority date Publication date Assignee Title
CN117812906B (en) * 2024-03-01 2024-05-17 内蒙古工业大学 Electromagnetic shielding equipment convenient to disassemble and assemble and used for wireless power transmission

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170080767A (en) * 2015-12-30 2017-07-11 주식회사 이레테크 Electromagnetic-Pulse Shield Rack
CN208797680U (en) * 2018-11-05 2019-04-26 徐梓凯 A kind of wireless power communication system device for transporting electricity at heavy
CN111257657A (en) * 2020-03-31 2020-06-09 浙江新铭智能科技有限公司 5G test shielding box
CN111988977A (en) * 2020-09-08 2020-11-24 深圳盛必达通信有限公司 Electromagnetic shielding device of electronic communication equipment
CN212012273U (en) * 2020-05-22 2020-11-24 深圳市鼎创达科技有限公司 Anti radio frequency interference structure of wireless charger
CN212696007U (en) * 2020-09-15 2021-03-12 周晔平 Signal interference ware protector for communication
CN113241864A (en) * 2021-05-25 2021-08-10 大福泵业有限公司 Stator structure for efficient canned motor pump and canned motor pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170080767A (en) * 2015-12-30 2017-07-11 주식회사 이레테크 Electromagnetic-Pulse Shield Rack
CN208797680U (en) * 2018-11-05 2019-04-26 徐梓凯 A kind of wireless power communication system device for transporting electricity at heavy
CN111257657A (en) * 2020-03-31 2020-06-09 浙江新铭智能科技有限公司 5G test shielding box
CN212012273U (en) * 2020-05-22 2020-11-24 深圳市鼎创达科技有限公司 Anti radio frequency interference structure of wireless charger
CN111988977A (en) * 2020-09-08 2020-11-24 深圳盛必达通信有限公司 Electromagnetic shielding device of electronic communication equipment
CN212696007U (en) * 2020-09-15 2021-03-12 周晔平 Signal interference ware protector for communication
CN113241864A (en) * 2021-05-25 2021-08-10 大福泵业有限公司 Stator structure for efficient canned motor pump and canned motor pump

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