CN109494887B - Electromechanical induction coil structure for wireless charging device - Google Patents

Electromechanical induction coil structure for wireless charging device Download PDF

Info

Publication number
CN109494887B
CN109494887B CN201811453933.0A CN201811453933A CN109494887B CN 109494887 B CN109494887 B CN 109494887B CN 201811453933 A CN201811453933 A CN 201811453933A CN 109494887 B CN109494887 B CN 109494887B
Authority
CN
China
Prior art keywords
coil
box body
wireless charging
charging device
box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201811453933.0A
Other languages
Chinese (zh)
Other versions
CN109494887A (en
Inventor
来跃深
尚雅层
齐忠霞
刘长可
孙凯东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Technological University
Original Assignee
Xian Technological University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Technological University filed Critical Xian Technological University
Priority to CN201811453933.0A priority Critical patent/CN109494887B/en
Publication of CN109494887A publication Critical patent/CN109494887A/en
Application granted granted Critical
Publication of CN109494887B publication Critical patent/CN109494887B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14Inductive couplings
    • H02J7/025

Abstract

The invention discloses an electromechanical induction coil structure for a wireless charging device, which comprises a box body, wherein a winding block is convexly arranged at the middle position of the bottom in the box body, a coil is arranged on the outer wall of the winding block in a surrounding manner and is gradually wound from inside to outside, meanwhile, the coil is a single wire, and an anode conductive end is arranged at the end of the outermost ring of the coil and is connected to the lower end of a right side plate of the box body. The roller is convenient for a user to stir the gear to rotate by hands, so that the gear drives the sealing cover to slide left and right through the meshed rack, the sealing cover drives the connected sliding box to slide left and right, the corresponding conductive column slides to the upper part of the separation frame connected with the coil with the corresponding number of turns, then the sliding box slides downwards, the conductive column is inserted between the conductive clamping pieces in the separation frame, the coil with the corresponding number of turns is communicated with the movable negative electrode conductive body and the positive electrode conductive end through the conductive column, and the coil with the corresponding number of turns is electrified to generate a magnetic field with corresponding strength.

Description

Electromechanical induction coil structure for wireless charging device
Technical Field
The invention relates to the technical field of induction coils of wireless charging devices, in particular to an electromechanical induction coil structure for a wireless charging device.
Background
The wireless charging technology is derived from a wireless power transmission technology, which is classified into an electromagnetic induction type, a magnetic field resonance type, and a radio wave type. When the wireless charging technology is adopted for charging, the charger and the electric device do not need to be connected by a wire, and the energy is directly transmitted by the magnetic field between the charger and the electric device, so that the charger and the electric device do not need to expose a conductive contact, the use is convenient, and the safety is improved.
The conventional wireless charging device has the following disadvantages:
generally, mobile electronic devices require a metal wire to be connected with a power supply through a charging plug for charging, and the types and the power of chargers are different. The key component in a wireless charger is a transmitting or receiving antenna coil, and the number of turns and the area of the coil directly influence the charging efficiency and the charging time of the device. However, the charger adopting the wireless charging technology in the current market generally only has a coil with a single turn number, the number of the acting turns of the coil cannot be changed, the charging power and the charging current of the electronic product are different, and the charging coil with the single turn number cannot meet the charging requirements of electrical appliances with different models and specifications.
Disclosure of Invention
The invention aims to provide an electromechanical induction coil structure for a wireless charging device, which aims to solve the problems that common mobile electronic equipment in the background art needs a metal wire to be connected with a power supply through a charging plug for charging, the types and the power of chargers are different, a key component in the wireless charger is a transmitting or receiving antenna coil, the number of turns and the area of the coil directly influence the charging efficiency and the charging time of the equipment, but the charger adopting the wireless charging technology in the market at present only has a coil with a single number of turns, the number of active turns of the coil cannot be changed, the charging power and the charging current of an electronic product are different, and the charging coil with the single number of turns cannot meet the charging requirements of electric appliances with different types and specifications.
In order to achieve the purpose, the invention provides the following technical scheme: an electromechanical induction coil structure for a wireless charging device comprises a box body, wherein a winding block is convexly arranged at the middle position of the bottom in the box body, a coil is arranged on the outer wall of the winding block in a winding mode and is gradually wound from inside to outside, meanwhile, the coil is a single wire, an anode conductive end and a cathode conductive end are arranged at the end of the outermost ring of the coil and are connected with the lower end of the right side plate of the box body, a separation frame is arranged at the middle point position of each ring right half part of the coil and is an insulator, conductive clamping pieces are fixedly connected on the front inner wall and the rear inner wall of the separation frame and are correspondingly connected with coil breakpoints separated by the separation frame, a slide box is arranged right above the right half part of the coil and is an insulator, the bottom of the slide box is vertically fixedly connected with conductive columns from a left-right equal distance, and the distance between the conductive columns is equal to, the horizontal rigid coupling of leading electrical pillar upper end that the box is leftmost has negative pole electric conductor and negative pole electric conductor's right-hand member head to articulate in the right side board upper end of box body, the box body curb plate intermediate position directly over the half right side of coil has transversely seted up smooth mouthful, smooth mouthful upside covers has sealed lid and is passing through the body of rod rigid coupling the left end upside of smooth box, both ends all cross-under in the second slide through the slider about second slide and sealed lid are transversely seted up to box body upside outer terminal surface.
Furthermore, the right end of the negative conductor is connected to the upper end of the right side plate of the box body through a flexible conductor.
Furthermore, transversely set up first slide and first slide in and have the telescopic link through the vertical rigid coupling of slider and the right-hand member downside of smooth box is fixed to the upper end of telescopic link on the box body bottom end face of coil right side position.
Furthermore, a rack is transversely arranged at the rear side edge of the upper end face of the sealing cover, a gear is meshed with the upper side of the left end of the rack, and the gear is connected with an upper side plate of the box body through a frame body.
Furthermore, the horizontal rigid coupling of the left end of support body has the movable block and vertical rigid coupling has the spring between the lower terminal surface of movable block and the box body curb plate.
Furthermore, a roller is coaxially and horizontally fixedly connected to the front side of the rotating center of the gear, and anti-skid grooves are uniformly distributed on the side wall of the roller.
Furthermore, the horizontal rigid coupling of up end front side border department of sealed lid has the roof, it has the stick up pole and sticks up the tie point of pole and pedestal as the mid point to have through the pedestal handing over on the left box body outer wall of roof position, sticks up the right-hand member laminating of pole at the roof downside simultaneously.
Furthermore, be provided with recess and recess length and width all is greater than the length and width of stick up the pole left half part on the box body curb plate of stick up pole left end position downside.
Furthermore, the right end of the tilting rod is provided with a roller, and the roller is attached to the lower end face of the top plate.
Compared with the prior art, the invention has the beneficial effects that:
1. when the left end of the tilting rod is pressed downwards into the groove, the right end of the tilting rod is jacked upwards, the top plate drives the sealing cover to slide upwards, the sealing cover drives the sliding box to slide upwards, so that the conductive post slides upwards to separate from the coil, and in the process of sliding the sealing cover upwards, the sealing cover jacks up the meshed gear through the rack, so that the frame body connected with the gear is stretched and connected with the spring of the box body, and the resilience force of the spring facilitates the gear to automatically press the sealing cover and the sliding box which are lifted upwards downwards, so that the conductive post is reset;
2. the roller is convenient for a user to stir the gear to rotate by hands, so that the gear drives the sealing cover to slide left and right through the meshed rack, the sealing cover drives the connected sliding box to slide left and right, the corresponding conductive column slides to the upper part of the separation frame connected with the coil with the corresponding number of turns, then the sliding box slides downwards, the conductive column is inserted between the conductive clamping pieces in the separation frame, the coil with the corresponding number of turns is communicated with the movable negative electrode conductive body and the positive electrode conductive end through the conductive column, and the coil with the corresponding number of turns is electrified to generate a magnetic field with corresponding strength.
Drawings
Fig. 1 is a schematic structural diagram of an electromechanical induction coil structure for a wireless charging device according to the present invention;
FIG. 2 is a top view of an electromechanical coil structure for a wireless charging device according to the present invention;
FIG. 3 is a top view of the sealing cover connected to the case of the electromechanical induction coil structure of the wireless charging device according to the present invention;
fig. 4 is a structural diagram of a connection between a tilting rod and a sealing cover in an electromechanical induction coil structure of a wireless charging device according to the present invention;
fig. 5 is a top view of a partition frame in an electromechanical induction coil structure for a wireless charging device according to the present invention.
In FIGS. 1-5: 1-box body; 2-a movable block; 3-a spring; 4-a coil; 5-winding blocks; 6-gear; 7-a roller; 8-a rack; 9-sealing cover; 10-a second slide; 11-a slide box; 12-flexible conductor; 13-negative conductor; 14-positive conductive terminal; 15-a first slide; 16-a telescopic rod; 17-a conductive post; 18-a conductive clip; 19-a separation frame; 20-raising the rod; 21-a groove; 22-a roller; 23-a top plate; 24-a sliding port; 25-frame body.
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, the present invention provides a technical solution: an electromechanical induction coil structure for a wireless charging device comprises a box body 1, wherein a winding block 5 is convexly arranged at the middle position of the bottom in the box body 1, a coil 4 and the coil 4 are wound gradually from inside to outside on the outer wall of the winding block 5, meanwhile, the coil 4 is a single wire, an end of the outermost ring of the coil 4 is provided with a positive conductive end 14 and the positive conductive end 14 is jointed at the lower end of the right side plate of the box body 1, a middle point position of the right half part of each ring of the coil 4 is provided with a separation frame 19, the separation frame 19 is an insulator, the front inner wall and the rear wall of the separation frame 19 are fixedly connected with conductive clamping pieces 18, the conductive clamping pieces 18 are correspondingly connected with break points of the coil 4 separated by the separation frame 19, a slide box 11 is arranged right above the right half part of the coil 4 and the slide box 11 is an insulator, the bottom of the slide box 11 is vertically fixedly connected with conductive columns 17 in an equal distance from the right equal distance, and the conductive, the horizontal rigid coupling of the left conductive column 17 upper end of smooth box 11 has negative pole electric conductor 13 and negative pole electric conductor 13's right-hand member head to splice in the right side board upper end of box body 1, smooth mouthful 24 has transversely been seted up to the box body 1 curb plate intermediate position directly over the right half of coil 4, smooth mouthful 24 upside covers and is stamped sealed lid 9 and is being passed through the body of rod rigid coupling the left end upper side of smooth box 11, the outer terminal surface of box body 1 upside transversely has seted up second slide 10 and sealed lid 9 about both ends all pass through the slider handing-over in second slide 10.
The right end of the negative electrode electric conductor 13 is connected to the upper end of the right side plate of the box body 1 through a flexible lead 12, and the flexible lead 12 is convenient for the sliding box 11 to freely slide left and right to change the number of turns of the electrified coil 4.
The bottom terminal surface transversely has seted up on the box body 1 of 4 right sides positions of coil on the bottom terminal surface in first slide 15 and first slide 15 in have the right-hand member downside of smooth box 11 through the vertical rigid coupling of slider 16 and the upper end of telescopic link 16, and first slide 15 conveniently slides box 11 and controls steady slip, and telescopic link 16 conveniently slides box 11 and drives and lead electrical pillar 17 and slide about the business turn over and separate frame 19 simultaneously.
The side transversely is provided with rack 8 along the department behind the up end of sealed lid 9, the meshing of 8 left ends upper sides of rack is provided with gear 6, gear 6 is connecting box body 1 epipleural through support body 25, and gear 6 slides about the booth apart from ground through the rotation drive rack 6 to make sealed lid 9 booth apart from ground horizontal slip, convenient accurate regulation corresponds 4 turns of coil.
The horizontal rigid coupling of the left end of support body 25 has vertical rigid coupling between the lower terminal surface of movable block 2 and the 1 curb plate of box body to have spring 3, and the cooperation of movable block 2 and spring 3 makes things convenient for smooth box 11, sealed lid 9 and support body 25 that gear 6 is connected to move about.
The front side of the rotation center of the gear 6 is coaxially and horizontally fixedly connected with a roller 7, anti-slip grooves are uniformly distributed on the side wall of the roller 7, and the roller 7 is convenient for a user to dial the gear 6 by fingers to rotate for adjustment.
The horizontal rigid coupling of up end front side border department of sealed lid 9 has roof 23, it has perk pole 20 and the tie point of perk pole 20 and pedestal to be the mid point through the pedestal handing over on the left 1 outer walls of box body of roof 23 position, and the right-hand member laminating of perk pole 20 is at roof 23 downside simultaneously, and perk pole 20 person of facilitating the use presses its left end, makes its right-hand member head perk, upwards jack-up kicking block 23 to make sealed lid 9 drive smooth box 11 and go up.
Stick up and be provided with recess 21 and recess 21 length width on 1 curb plate of box body of pole 20 left end place downside and all be greater than the length width of stick up the pole 20 left half part, recess 21 makes things convenient for stick up pole 20 left end and has enough space and pushes down the perk right-hand member.
The right end of stick up pole 20 is provided with gyro wheel 22 and the laminating of gyro wheel 22 is in the lower terminal surface department of roof 23, and gyro wheel 22 takes place relative slip between convenient stick up pole 20's right end when stick up and roof 23.
The working principle is as follows: when the left end of the tilting rod 20 is pressed downwards into the groove 21, the right end of the tilting rod 20 is jacked upwards, the top plate 23 drives the sealing cover 9 to slide upwards, the sealing cover 9 drives the sliding box 11 to slide upwards, so that the conductive post 17 slides upwards to separate from the coil 4, and in the process of sliding the sealing cover 9 upwards, the sealing cover 9 jacks the meshed gear 6 through the rack 8, so that the frame body 25 connected with the gear 6 is stretched and connected with the spring 3 of the box body 1, the resilience force of the spring 3 facilitates the gear 6 to automatically press downwards to the upslipped sealing cover 9 and the sliding box 11, so that the conductive post 17 is reset, the roller 7 facilitates a user to stir the gear 6 by hand to rotate, so that the gear 6 drives the sealing cover 9 to slide left and right through the meshed rack 8, the sealing cover 9 drives the connected sliding box 11 to slide left and right, so that the corresponding conductive post 17 slides to be connected above the separation, then the sliding box 11 is slid downwards, so that the conductive column 17 is inserted between the conductive clamping pieces 18 in the separation frame 19, and the coil 4 with the corresponding number of turns is communicated with the movable negative electrode conductive body 13 and the positive electrode conductive end 14 through the conductive column 17, so that the coil 4 with the corresponding number of turns is electrified to generate a magnetic field with the corresponding strength.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (9)

1. An electromechanical induction coil structure for a wireless charging device, comprising a case (1), characterized in that: the bottom middle position in the box body (1) is convexly provided with a winding block (5), the outer wall of the winding block (5) is provided with a coil (4) in a surrounding manner, the coil (4) is a single wire, the outermost ring end of the coil (4) is provided with a positive conductive end (14), the middle point position of each right half part of each ring of the coil (4) is provided with a separation frame (19) and the separation frame (19) is an insulator, the front inner wall and the rear inner wall of the separation frame (19) are fixedly connected with conductive clamping pieces (18), the conductive clamping pieces (18) are correspondingly connected with breakpoints of the coil (4) separated by the separation frame (19), a slide box (11) and the slide box (11) are insulators are arranged right above the right half part of the coil (4), the bottom of the slide box (11) is vertically fixedly connected with conductive columns (17) in an equal distance from the left, the upper end of the leftmost side (17) of the slide box (11) is horizontally and fixedly connected with a negative conductor (13, smooth mouthful (24) have transversely been seted up to box body (1) curb plate intermediate position directly over coil (4) right half, smooth mouthful (24) upside covers has the left end upside that has sealed lid (9) and sealed lid (9) through the body of rod solid sliding box (11), both ends all cross-under in second slide (10) through the slider at the left and right sides both ends that second slide (10) and sealed lid (9) were transversely seted up to box body (1) upside outer terminal surface.
2. An electromechanical induction coil structure for a wireless charging device according to claim 1, characterized in that: the right end of the negative conductor (13) is connected with the upper end of the right side plate of the box body (1) through a flexible conductor (12).
3. An electromechanical induction coil structure for a wireless charging device according to claim 1, characterized in that: the coil (4) right side position box body (1) interior bottom end face is gone up and is transversely seted up first slide (15) and first slide (15) in have the right-hand member downside of smooth box (11) through the vertical rigid coupling of slider in telescopic link (16) and telescopic link (16).
4. An electromechanical induction coil structure for a wireless charging device according to claim 1, characterized in that: the rear side edge of the upper end face of the sealing cover (9) is transversely provided with a rack (8), the upper side of the left end of the rack (8) is meshed with a gear (6), and the gear (6) is connected with an upper side plate of the box body (1) through a frame body (25).
5. An electromechanical induction coil structure for a wireless charging device according to claim 4, characterized in that: the horizontal rigid coupling of the left end of support body (25) has vertical rigid coupling between the lower terminal surface of movable block (2) and box body (1) curb plate to have spring (3).
6. An electromechanical induction coil structure for a wireless charging device according to claim 4, characterized in that: the front side of the rotary center of the gear (6) is coaxially and horizontally fixedly connected with a roller (7), and anti-skid grooves are uniformly distributed on the side wall of the roller (7).
7. An electromechanical induction coil structure for a wireless charging device according to claim 1, characterized in that: the horizontal rigid coupling in up end front side border department of sealed lid (9) has roof (23), it has perk pole (20) and the tie point of perk pole (20) and pedestal to have the midpoint through the pedestal cross joint on the left box body (1) outer wall of roof (23) position, and the right-hand member laminating of perk pole (20) is in roof (23) downside simultaneously.
8. An electromechanical induction coil structure for a wireless charging device according to claim 7, characterized in that: a groove (21) is formed in a side plate of the box body (1) on the lower side of the position where the left end of the tilting rod (20) is located, and the length and the width of the groove (21) are both larger than those of the left half part of the tilting rod (20).
9. An electromechanical induction coil structure for a wireless charging device according to claim 7, characterized in that: the right end of the tilting rod (20) is provided with a roller (22), and the roller (22) is attached to the lower end face of the top plate (23).
CN201811453933.0A 2018-11-30 2018-11-30 Electromechanical induction coil structure for wireless charging device Expired - Fee Related CN109494887B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811453933.0A CN109494887B (en) 2018-11-30 2018-11-30 Electromechanical induction coil structure for wireless charging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811453933.0A CN109494887B (en) 2018-11-30 2018-11-30 Electromechanical induction coil structure for wireless charging device

Publications (2)

Publication Number Publication Date
CN109494887A CN109494887A (en) 2019-03-19
CN109494887B true CN109494887B (en) 2020-09-29

Family

ID=65698888

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811453933.0A Expired - Fee Related CN109494887B (en) 2018-11-30 2018-11-30 Electromechanical induction coil structure for wireless charging device

Country Status (1)

Country Link
CN (1) CN109494887B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864004B (en) * 2019-11-29 2020-10-30 郑州财经学院 Case fan control device
CN110908481B (en) * 2019-11-29 2022-06-03 东台市高科技术创业园有限公司 Case multi-fan reversing device
CN112992481A (en) * 2021-02-04 2021-06-18 广州市蓝粉网络科技有限公司 Chip type winding common-mode inductor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7485992B2 (en) * 2005-07-28 2009-02-03 Incelex, Llc Armature type electrical generators for self powered cell phones
CN103248092B (en) * 2013-05-02 2015-06-10 湖南人文科技学院 Adjustable wireless charging coil and application method thereof
CN103259347B (en) * 2013-06-04 2015-03-04 山东大学(威海) Rotary type contactless power transfer device
CN104332747A (en) * 2013-07-23 2015-02-04 青岛菲特电器科技有限公司 Quick connecting device for reactor coil
CN103730925B (en) * 2013-12-17 2016-02-03 昆山欣海韵贸易有限公司 A kind of adjustable wireless charger of the number of turns of coil
US10063088B2 (en) * 2014-06-29 2018-08-28 William J. Warren Computing device inductive charging cases and methods of use
CN204204594U (en) * 2014-09-15 2015-03-11 昱京科技股份有限公司 The wire frame structure of tool coupling adjustment wire casing
CN104752046B (en) * 2015-04-21 2017-03-01 浙江东尼电子股份有限公司 A kind of wireless charger receiving coil
CN104917265B (en) * 2015-07-01 2017-07-21 斧子科技(深圳)有限公司 Wireless charging device and system
CN105826066B (en) * 2016-05-16 2019-02-22 上海墨百意信息科技有限公司 A kind of coil and adjustment of inductance method applied to wireless charging system

Also Published As

Publication number Publication date
CN109494887A (en) 2019-03-19

Similar Documents

Publication Publication Date Title
CN109494887B (en) Electromechanical induction coil structure for wireless charging device
CN107820399A (en) Support component, dial plate and Intelligent bracelet
AU2003239738A1 (en) Planar resonator for wireless power transfer
CN107820627A (en) Frame assembly, dial plate and intelligent bracelet
CN107820401A (en) Wrist strap and Intelligent bracelet
CN203300418U (en) Transformer structure with multiple transformation ratios
CN205693451U (en) A kind of electronic communication equipment wireless charging device
CN210007444U (en) Wireless charging collector plate of mobile equipment
CN201601200U (en) Universal charger
CN212935540U (en) Wireless charger
CN205070082U (en) Socket
CN103110261A (en) Mobile phone cover having charging function
CN206060011U (en) Switch-cabinet grounding dolly
WO2021017536A1 (en) Robot charging interface
CN104485719A (en) Universal lithium battery clamping connecting device of multifunctional charger
CN201084669Y (en) A new-structure leakage breaker
CN218039608U (en) Portable lithium battery charging box
CN204144033U (en) A kind of high frequency transformer
CN207381469U (en) Lug fixing device and battery
CN209496902U (en) A kind of lithium battery module based on radio charging technique
CN209150771U (en) A kind of universal stepless charger
CN204230985U (en) A kind of Universal lithium-cell clamping connection of multifunctional charger
CN219268564U (en) Wireless charging device
CN220856302U (en) Anti-drop's ENR magnetic glue inductor
CN218648454U (en) Special interlock of environmental protection gas insulation looped netowrk cabinet

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200929

Termination date: 20211130

CF01 Termination of patent right due to non-payment of annual fee