CN113054760B - Wireless charger with automatic alignment function - Google Patents
Wireless charger with automatic alignment function Download PDFInfo
- Publication number
- CN113054760B CN113054760B CN202110320154.9A CN202110320154A CN113054760B CN 113054760 B CN113054760 B CN 113054760B CN 202110320154 A CN202110320154 A CN 202110320154A CN 113054760 B CN113054760 B CN 113054760B
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- metal
- wireless charger
- contact charging
- sliding
- telescopic rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a wireless charger with an automatic alignment function, which relates to the technical field of monitoring modules, and particularly relates to a wireless charger with an automatic alignment function. The wireless charger with the automatic alignment function is provided with the electromagnetic coil, and the direction of current can be changed through the arranged turning switch, so that the change of the anode and the cathode of the electromagnetic coil can be realized, and the automatic correction of the suction force and the thrust generated by the magnetic sliding block can be realized.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to a wireless charger with an automatic alignment function.
Background
The wireless charging technology is derived from a wireless power transmission technology and can be divided into a low-power wireless charging mode and a high-power wireless charging mode. The low-power wireless charging is usually performed by electromagnetic induction, such as Qi charging for mobile phones, but the popular wireless charging for electric vehicles is performed by induction. High-power wireless charging usually adopts a resonance mode (the mode is adopted by most electric vehicles) and energy is transmitted to a device for power utilization by a power supply device (a charger), and the device charges a battery by using received energy and is used for self operation. Because the charger and the electric device transmit energy through the magnetic field without electric wire connection, the charger and the electric device can be exposed without conductive contact points, and along with the continuous improvement of the requirements of the electric device on power supply quality, safety, reliability, convenience, instantaneity, special occasions, special geographic environments and the like, the contact type electric energy transmission mode can not meet the actual requirements more and more. The wireless charger is a device which utilizes the principle of electromagnetic induction to charge, the principle is similar to that of a transformer, a coil is respectively arranged at a transmitting end and a receiving end, the coil at the transmitting end sends out an electromagnetic signal to the outside under the action of electric power, and the coil at the receiving end receives the electromagnetic signal and converts the electromagnetic signal into current, so that the purpose of wireless charging is achieved. The wireless charging technology is a special power supply mode, does not need a power line, depends on electromagnetic wave propagation, converts electromagnetic wave energy into electric energy, and finally realizes wireless charging.
The existing wireless charger cannot automatically correct the placed electric appliance in the using process, sometimes the electric appliance is easily stressed, moved and broken due to the fact that the electric appliance is placed at the edge of the charger, and the defect that the charging efficiency is not high due to the fact that the electric appliance is placed inaccurately when the electric appliance is placed manually is overcome.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wireless charger with an automatic alignment function, and solves the problems that the existing wireless charger cannot automatically correct the placed electric appliance in the using process, sometimes the electric appliance is placed at the edge of the charger and is easy to be stressed, moved and broken, and the placement is inaccurate in manual placement, so that the charging efficiency is not high in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a wireless charger with automatically, to just function, is including supporting pedestal and diversion switch, the top of supporting the pedestal is provided with the contact charging body, and the both sides of the contact charging body all are connected with stabilizing slide block, stabilizing slide block's surface is connected with stabilizing the spout, the front end and one side of the contact charging body all are provided with to just the body, and just the surface connection of just the body has an elastic gasket, be connected with magnetic slide block to just the bottom of the body, and magnetic slide block's surface connection has and adjusts the spout well, one side of magnetic slide block is provided with solenoid, the bottom of the contact charging body is connected with the atress board, and the below of atress board is connected with buffer spring, buffer spring's below is connected with pressure sensors, and one side of pressure sensors is provided with programmable controller, pressure sensors's opposite side is provided with the telescopic link, and the opposite side of telescopic link is provided with the transformer, the rear end and the opposite side of the contact charging body all are provided with the spacing body, the top of telescopic link is provided with the insulator, and the top of insulator is connected with metal logical, the both sides that the metal leads to logical all is connected with metal slide block, and the surface connection of metal block has a metal, and the pole is located the outside of diversion metal spout.
Optionally, the contact charging body and the stabilizing sliding block are fixedly connected, and the contact charging body forms a sliding structure with the support base body through the stabilizing sliding block and the stabilizing sliding groove.
Optionally, the alignment body and the elastic gasket are in adhesive connection, and the overall dimensions of the alignment body and the elastic gasket are matched.
Optionally, the alignment body is in threaded connection with the magnetic slider, and the alignment body forms a sliding structure with the support base through the magnetic slider and the alignment sliding groove.
Optionally, the contact charging body is in adhesive connection with the stress plate, the stress plate is welded to the buffer spring, and the buffer spring is in adhesive connection with the pressure sensor.
Optionally, the electromagnetic coil, the pressure sensor and the telescopic rod are electrically connected with the programmable controller, and the electromagnetic coil is electrically connected with the direction-changing switch.
Optionally, the electromagnetic coil, the pressure sensor, the programmable controller and the telescopic rod are electrically connected with the transformer, and the transformer is in threaded connection with the support base.
Optionally, the limiting body is fixedly connected with the support base body, the insulator is sleeved with the telescopic rod, and a telescopic structure is formed between the insulator and the telescopic rod.
Optionally, the insulator is sleeved with the metal power transmission rod, the metal power transmission rod is fixedly connected with the metal sliding block, and the metal power transmission rod forms a sliding structure through the metal sliding block and the metal sliding groove.
Optionally, the direction-changing switches are symmetrically distributed about a horizontal center line of the metal sliding groove, and two groups of direction-changing switches are arranged, and are electrically connected with the metal sliding groove.
The invention provides a wireless charger with an automatic alignment function, which has the following beneficial effects: .
1. This wireless charger with automatically, adjust function well is provided with the contact charging body, can let it carry out wireless charging to electrical apparatus through the contact charging body that sets up, and can carry out the contact charging body that slides down and can let the more stable that the contact charging body removed to improve the stability that the contact charging body moved down.
2. The wireless charger with the automatic alignment function is provided with the elastic gasket, and the elastic gasket which is bonded with the alignment body can form a good stressed contact surface when the elastic gasket is contacted with an electric appliance, so that the stress effect of the alignment body is improved, and the electric appliance can be prevented from being damaged due to flexible stress; the magnetic slider through setting up can let and carry out fast and stable's slip to the body to let it carry out the application of force to electrical apparatus, and the magnetic slider who sets up can carry out the atress through magnetism, thereby drives and removes to the body.
3. The wireless charger with the automatic alignment function is provided with the stress plate, and pressure generated by contacting a charging body can be transmitted to the pressure sensor through the stress plate, so that the pressure sensor is stressed to detect whether a charging object is placed on the surface of the pressure sensor, whether charging is carried out or not and whether correction equipment is started or not are automatically analyzed, and the automation is improved; the programmable controller can analyze signals generated by the electromagnetic coil, the pressure sensor and the telescopic rod and send instructions, so that automation is realized.
4. The wireless charger with the automatic alignment function is provided with the transformer, an electric appliance in the device can be started to be protected through the transformer, and the condition of smooth failure is avoided, so that the service life of the device is prolonged, and the transformer in threaded connection can be conveniently mounted and dismounted, so that the replacement and maintenance of the transformer are facilitated; the electric appliance that needs to charge can be initially positioned through the limiting body that is arranged, and the condition that the electric appliance is forced to move can be avoided by effectively blocking the electric appliance when the force is applied to the positive body.
5. The wireless charger with the automatic alignment function is provided with the telescopic rod, the metal power transmission rod can be driven to move up and down through the arranged telescopic rod, so that the telescopic rod is matched with the turning switch to realize automatic push-pull movement of the alignment body, the slidable metal power transmission rod can move more stably, and the movement stability of the metal power transmission rod is improved; the direction of current can be changed through the arranged direction-changing switch, so that the change of the anode and the cathode of the electromagnetic coil can be realized, and the automatic correction of the attraction force and the thrust generated by the magnetic slider can be realized.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of a connection structure of the telescopic rod and the direction-changing switch according to the present invention;
FIG. 5 is a schematic diagram of a circuit structure according to the present invention;
FIG. 6 is an enlarged view of a portion A of FIG. 2 according to the present invention.
In the figure: 1. a support base; 2. a contact charging body; 3. stabilizing the slide block; 4. a stabilizing chute; 5. aligning the body; 6. an elastic pad; 7. a magnetic slider; 8. aligning the sliding chute; 9. an electromagnetic coil; 10. a stress plate; 11. a buffer spring; 12. a pressure sensor; 13. a programmable controller; 14. a telescopic rod; 15. a transformer; 16. a limiting body; 17. an insulator; 18. a metal power-on rod; 19. a metal slider; 20. a metal chute; 21. a direction-changing switch.
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.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a wireless charger with automatically, just function, including supporting pedestal 1 and diversion switch 21, the top of supporting pedestal 1 is provided with the contact charging body 2, and the both sides of the contact charging body 2 all are connected with stable slider 3, stable slider 3's surface is connected with stable spout 4, the front end and one side of the contact charging body 2 all are provided with just body 5, and just the surface connection of body 5 has elastic gasket 6, be connected with magnetic slider 7 to just body 5's bottom, and magnetic slider 7's surface is connected with and just spout 8, one side of magnetic slider 7 is provided with solenoid 9, the bottom of the contact charging body 2 is connected with atress board 10, and the below of atress board 10 is connected with buffer spring 11, buffer spring 11's below is connected with pressure sensors 12, and one side of pressure sensors 12 is provided with programmable controller 13, the opposite side of pressure sensors 12 is provided with telescopic link 14, and the opposite side of telescopic link 14 is provided with transformer 15, rear end and the opposite side of the contact charging body 2 all are provided with spacing body 16, the top of telescopic link 14 is provided with insulator 17, and the top of insulator is connected with metal leads to the pole 18, the outside of metal slider 18, and the outside of the pole 20 is connected with metal spout 20, metal slider 20.
In the invention: the contact charging body 2 is fixedly connected with the stable sliding block 3, and the contact charging body 2 forms a sliding structure with the support base body 1 through the stable sliding block 3 and the stable sliding chute 4; the contact charging body 2 through the setting can let it carry out wireless charging to electrical apparatus, and can carry out the contact charging body 2 that slides down and can let the more stable that the contact charging body 2 removed to improve the stability that the contact charging body 2 moved down.
In the invention: the alignment body 5 is in adhesive connection with the elastic gasket 6, and the overall dimensions of the alignment body 5 and the elastic gasket 6 are matched; the elastic gasket 6 which is bonded with the aligning body 5 can form a good stress contact surface when the elastic gasket is contacted with an electric appliance, so that the stress effect of the aligning body 5 is improved, and the flexible stress can prevent the electric appliance from being damaged.
In the invention: the aligning body 5 is in threaded connection with the magnetic slide block 7, and the aligning body 5 forms a sliding structure with the support base body 1 through the magnetic slide block 7 and the aligning sliding chute 8; the magnetic slider 7 can be used for rapidly and stably sliding the body 5, so that force can be applied to an electric appliance, and the magnetic slider 7 can be used for bearing force through magnetism, so that the body 5 is driven to move.
In the invention: the contact charging body 2 is in adhesive connection with the stress plate 10, the stress plate 10 is welded with the buffer spring 11, and the buffer spring 11 is in adhesive connection with the pressure sensor 12; can let the pressure that the contact body 2 produced transmit pressure sensor 12 through the atress board 10 that sets up to let pressure sensor 12 carry out the atress and detect whether its surface has placed the object of charging, thereby carry out whether charging of automatic analysis and whether start calibration equipment, improve automation.
In the invention: the electromagnetic coil 9, the pressure sensor 12 and the telescopic rod 14 are electrically connected with the programmable controller 13, and the electromagnetic coil 9 is electrically connected with the direction-changing switch 21; the programmable controller 13 can analyze and send out instructions to the signals generated by the electromagnetic coil 9, the pressure sensor 12 and the telescopic rod 14, so as to realize automation.
In the invention: the electromagnetic coil 9, the pressure sensor 12, the programmable controller 13 and the telescopic rod 14 are electrically connected with the transformer 15, and the transformer 15 is in threaded connection with the support base 1; can avoid the condition in the same direction as bad to the inside electrical apparatus start-up guard action of device through the transformer 15 that sets up to extension fixture's life, and threaded connection's transformer 15 can make things convenient for transformer 15's ann to tear open, thereby makes things convenient for transformer 15's change and maintenance.
In the invention: the limiting body 16 is fixedly connected with the support seat body 1, the insulator 17 is sleeved with the telescopic rod 14, and a telescopic structure is formed between the insulator 17 and the telescopic rod 14; the electric appliance needing to be charged can be initially positioned through the arranged limiting body 16, and the electric appliance can be effectively blocked to avoid the situation that the electric appliance is stressed to move when the force is applied to the front body 5.
The invention comprises the following steps: the insulator 17 is sleeved with the metal conducting rod 18, the metal conducting rod 18 is fixedly connected with the metal sliding block 19, and the metal conducting rod 18 forms a sliding structure with the metal sliding chute 20 through the metal sliding block 19; can drive metal power pole 18 through the telescopic link 14 that sets up and reciprocate to cooperate with diversion switch 21 and realize removing the automatic push-and-pull of forebody 5, and can gliding metal power pole 18 can remove more stable, thereby improve the stability that metal power pole 18 removed.
In the invention: the direction-changing switches 21 are symmetrically distributed about the horizontal center line of the metal chute 20, two groups of the direction-changing switches 21 are arranged, and the direction-changing switches 21 are electrically connected with the metal chute 20; the direction of current can be changed by the arranged direction-changing switch 21, so that the change of the positive pole and the negative pole of the electromagnetic coil 9 can be realized, and the automatic correction of the attraction force and the thrust generated by the magnetic slider 7 can be realized.
In summary, when the wireless charger with the automatic alignment function is used, firstly, an electric appliance to be charged is placed on the surface of the support base body 1, the contact charging body 2 is in contact with the electric appliance and generates pressure, the contact charging body 2 is in adhesive connection with the stress plate 10, the stress plate 10 generates pressure, the buffer spring 11 is welded with the stress plate 10, the buffer spring 11 generates pressure and contracts, the stabilizing slide block 3 is fixedly connected with the contact charging body 2 and generates acting force, so that the stabilizing slide block 3 moves inside the stabilizing slide groove 4 under the action of the acting force, the pressure sensor 12 is in adhesive connection with the buffer spring 11, the pressure sensor 12 generates acting force and generates signals, the signals are transmitted to the programmable controller 13 through a lead, the programmable controller 13 receives the signals and then gives instructions to the telescopic rod 14, the instructions enable the telescopic rod 14 to be started, the insulator 17 is in sleeve connection with the telescopic rod 14, the insulator 17 moves, the metal conducting rod 18 is sleeved with the insulator 17, the metal conducting rod 18 moves, the metal sliding block 19 is fixedly connected with the metal conducting rod 18, the metal sliding block 19 generates acting force, the metal sliding block 19 moves inside the metal sliding groove 20 under the action of the acting force and moves to A and B ends of a change switch 21 to form a passage, at the moment, the current direction is from A to B, the electromagnetic coil 9 is electrically connected with the change switch 21, the electromagnetic coil 9 generates electrification and generates magnetism, so that the magnetic sliding block 7 generates stress under the magnetic attraction force and slides through the alignment sliding groove 8, the alignment body 5 is in threaded connection with the magnetic sliding block 7, the alignment body 5 moves, the elastic gasket 6 is in adhesive connection with the alignment body 5, the elastic gasket 6 moves and applies pressure to an electric appliance, at the moment, the limit body 16 can well stress and block the electric appliance to avoid the excessive movement, when the stress of the pressure sensor 12 disappears, the programmable controller 13 receives a signal and then gives an instruction to the telescopic rod 14, the instruction enables the telescopic rod 14 to be started, the metal sliding block 19 generates an acting force, the metal sliding block 19 moves in the metal sliding groove 20 under the action of the acting force and moves to the C end and the D end of the direction change switch 21 to form a passage, the current direction is from the C end to the D end, the current direction is opposite to the original current direction, the electromagnetic coil 9 is electrified and generates an opposite acting force, the opposite body 5 moves in the opposite direction, and the current generated by the device flows into the device after passing through the transformer 15.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a wireless charger with automatically, to just function, includes support pedestal (1) and diversion switch (21), its characterized in that: the top of the support base body (1) is provided with a contact charging body (2), two sides of the contact charging body (2) are connected with stabilizing sliding blocks (3), the outer surface of each stabilizing sliding block (3) is connected with a stabilizing sliding chute (4), the front end and one side of the contact charging body (2) are provided with aligning bodies (5), the outer surface of each aligning body (5) is connected with an elastic gasket (6), the bottom of each aligning body (5) is connected with a magnetic sliding block (7), the outer surface of each magnetic sliding block (7) is connected with an aligning sliding chute (8), one side of each magnetic sliding block (7) is provided with an electromagnetic coil (9), the bottom of the contact charging body (2) is connected with a stress plate (10), the lower part of the stress plate (10) is connected with a buffer spring (11), the lower part of the buffer spring (11) is connected with a pressure sensor (12), one side of the pressure sensor (12) is provided with a programmable controller (13), the other side of the pressure sensor (12) is provided with a telescopic rod (14), the other side of the telescopic rod of the pressure sensor (12) is provided with a telescopic rod (14), the other side of the contact charging body (2) is provided with a transformer (15), the rear end of the contact charging body and the upper part of the insulator (17), the insulator (17) is provided with a metal insulator (17), and the upper part of the telescopic rod (17), both sides of the metal conducting rod (18) are connected with metal sliding blocks (19), the outer surfaces of the metal sliding blocks (19) are connected with metal sliding chutes (20), and the direction-changing switch (21) is located on the outer sides of the metal sliding chutes (20);
the electromagnetic coil (9), the pressure sensor (12) and the telescopic rod (14) are electrically connected with the programmable controller (13), and the electromagnetic coil (9) is electrically connected with the direction-changing switch (21);
the electromagnetic coil (9), the pressure sensor (12), the programmable controller (13) and the telescopic rod (14) are electrically connected with the transformer (15), and the transformer (15) is in threaded connection with the support base body (1);
the metal sliding block (19) moves in the metal sliding groove (20) through acting force, so that a CD end or an AB end of the direction change switch (21) forms a passage.
2. The wireless charger with automatic alignment function of claim 1, wherein: the contact charging body (2) is fixedly connected with the stabilizing sliding block (3), and the contact charging body (2) forms a sliding structure with the support base body (1) through the stabilizing sliding block (3) and the stabilizing sliding groove (4).
3. The wireless charger with automatic alignment function of claim 1, wherein: the alignment body (5) is in adhesive connection with the elastic gasket (6), and the overall dimensions of the alignment body (5) and the elastic gasket (6) are matched.
4. The wireless charger with automatic alignment function of claim 1, wherein: the alignment body (5) is in threaded connection with the magnetic slide block (7), and the alignment body (5) forms a sliding structure with the support base body (1) through the magnetic slide block (7) and the alignment sliding groove (8).
5. The wireless charger with automatic alignment function of claim 1, wherein: the contact charging body (2) is in adhesive connection with the stress plate (10), the stress plate (10) is welded with the buffer spring (11), and the buffer spring (11) is in adhesive connection with the pressure sensor (12).
6. The wireless charger with automatic alignment function of claim 1, wherein: the limiting body (16) is fixedly connected with the supporting seat body (1), the insulator (17) is sleeved with the telescopic rod (14), and a telescopic structure is formed between the insulator (17) and the telescopic rod (14).
7. The wireless charger with the automatic alignment function according to claim 1, wherein: insulator (17) and metal lead to for cup jointing between pole (18), and be fixed connection between metal lead to pole (18) and metal slider (19), and metal lead to pole (18) and constitute sliding construction between metal slider (19) and metal spout (20).
8. The wireless charger with automatic alignment function of claim 1, wherein: the direction-changing switches (21) are symmetrically distributed about the horizontal center line of the metal sliding groove (20), two groups of direction-changing switches (21) are arranged, and the direction-changing switches (21) are electrically connected with the metal sliding groove (20).
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CN112173525A (en) * | 2020-10-23 | 2021-01-05 | 李�城 | Automatic clamping and carrying machine for warehouse goods |
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CN208691012U (en) * | 2018-09-09 | 2019-04-02 | 深圳爱科思达科技有限公司 | A kind of mobile phone wireless charger with automatic aligning function |
CN110689824B (en) * | 2019-10-30 | 2020-04-21 | 临海市启致灯具有限公司 | Display device for LED advertising board |
CN211493898U (en) * | 2019-11-26 | 2020-09-15 | 上海汽车集团股份有限公司 | Vehicle-mounted mobile phone wireless charger |
CN111682628A (en) * | 2019-12-22 | 2020-09-18 | 宫恋 | Wireless charger |
CN112190875A (en) * | 2020-08-24 | 2021-01-08 | 刘文忠 | Recovered auxiliary assembly that takes exercise of knee joint for orthopedics |
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CN210467726U (en) * | 2019-11-01 | 2020-05-05 | 常州市久安电器制造有限公司 | Multi-gear electromagnetic switch |
CN112173525A (en) * | 2020-10-23 | 2021-01-05 | 李�城 | Automatic clamping and carrying machine for warehouse goods |
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