CN211450471U - Magnetic suspension wireless charging desk lamp - Google Patents
Magnetic suspension wireless charging desk lamp Download PDFInfo
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- CN211450471U CN211450471U CN202020215431.0U CN202020215431U CN211450471U CN 211450471 U CN211450471 U CN 211450471U CN 202020215431 U CN202020215431 U CN 202020215431U CN 211450471 U CN211450471 U CN 211450471U
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Abstract
The utility model discloses a magnetic suspension wireless charging desk lamp, which comprises a base, a connecting rod, a lamp holder and a lamp cap, wherein a magnetic suspension module is arranged in the lamp holder, a magnetic suspension piece is arranged at the top end of the lamp cap, the magnetic suspension piece and the magnetic suspension module generate magnetic force, and the magnetic force is balanced with the gravity of the lamp cap so as to suspend the lamp cap below the lamp holder; the base includes: the power supply module is electrically connected with the first emitting coil through a lead arranged in the connecting rod; the wireless module that charges includes wireless PCB board and the second transmitting coil who charges PCB board electric connection with wireless, and the side setting of going up that the second transmitting coil closes on the drain pan. The technical proposal of the utility model enables the lamp holder suspended under the lamp holder to emit light normally, so that the product is rich in cool science and technology, which is helpful for improving the decorative and ornamental effect of the product; the base has wireless charging function, can satisfy user's multiple user demand.
Description
Technical Field
The utility model relates to an illumination lamps and lanterns technical field, in particular to magnetic suspension wireless desk lamp that charges.
Background
The desk lamp is a common life electrical appliance for daily life of people, and along with the continuous improvement of the living standard of people, the requirements of people on the illumination of the desk lamp, the decoration, the appreciation and the practical requirements of the desk lamp are higher and higher. The existing desk lamp cannot achieve the suspension effect of the lamp holder on one hand and has poor decoration and ornamental effects; on the other hand, the wireless charging device does not have the function of wirelessly charging mobile devices such as mobile phones and smart watches, is single in use function, and cannot meet multiple use requirements of users.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a magnetic suspension wireless desk lamp that charges, aim at suspending the lamp holder in the lamp stand below to set up wireless module of charging at the base, thereby make the magnetic suspension wireless desk lamp that charges have the decoration viewing and admiring effect and the wireless function of charging of preferred, with the multiple user demand who satisfies the user.
In order to achieve the above object, the utility model provides a magnetic suspension wireless charging desk lamp comprises a base, a connecting rod, a lamp holder and a lamp holder, wherein the lower end of the connecting rod is connected with the base, the upper end of the connecting rod is connected with the lamp holder, a magnetic suspension module is arranged in the lamp holder, a magnetic suspension piece is arranged at the top end of the lamp holder, the magnetic suspension piece and the magnetic suspension module generate magnetic force, and the magnetic force is balanced with the gravity of the lamp holder so as to suspend the lamp holder below the lamp holder; a first transmitting coil is arranged in the lamp holder, and a first receiving coil and a light-emitting lamp wick electrically connected with the first receiving coil are arranged in the lamp holder;
the base includes:
a bottom case;
the power supply module is arranged in the bottom shell and is electrically connected with the first radiation coil through a lead arranged in the connecting rod; and
the wireless charging module is arranged in the bottom shell and comprises a wireless charging PCB and a second transmitting coil electrically connected with the wireless charging PCB, and the second transmitting coil is close to the upper side face of the bottom shell.
Preferably, the base further comprises a balancing weight fixed in the bottom shell, and the power supply module and the wireless charging module are respectively fixed on the balancing weight.
Preferably, the side of going up of balancing weight is equipped with the confession holding the storage tank of the wireless PCB board that charges, the wireless PCB board detachably that charges is fixed in the storage tank, second transmitting coil is located the wireless PCB board that charges dorsad one side of storage tank bottom.
Preferably, the bottom shell comprises a shell cover and a bottom plate, and a placement mark for the device to be charged is arranged on the outer wall surface of the upper side of the shell cover corresponding to the position of the second transmitting coil.
Preferably, the base still is provided with wireless charge indicator, wireless charge indicator with wireless charging PCB board is connected, wireless charge indicator has two at least luminescent colors to make wireless charge indicator is in the operating condition of wireless charging module is different with the instruction colour of standby state.
Preferably, the base is further provided with a first switch, the first switch is electrically connected with the power supply module, and the first switch is used for controlling the power supply module to supply power to the first radiation coil.
Preferably, the base is provided with a power output interface used for supplying power to the equipment to be charged, and the power output interface is a USB interface or a Type-C interface.
Preferably, the number of the power output interfaces is multiple, and at least one of the power output interfaces is a USB interface.
Preferably, the magnetic suspension comprises a permanent magnet;
the magnetic levitation module includes:
the iron core is vertically arranged in the lamp holder;
the electromagnetic coil is wound on the peripheral surface of the iron core, and the power supply end of the electromagnetic coil is connected with the power supply module;
the Hall sensor is arranged on the lower end face of the iron core and used for detecting the distance between the magnetic suspension piece and the iron core; and
the suspension control unit is electrically connected with the Hall sensor and the power supply module respectively;
when the distance between the magnetic suspension piece and the iron core is within a preset range, the Hall sensor feeds back a position signal to the suspension control unit, the suspension control unit controls the power supply module to supply power to the electromagnetic coil according to the position signal, the electromagnetic coil is electrified to generate electromagnetic repulsion force repelling the permanent magnet, and the sum of the electromagnetic repulsion force and the gravity of the lamp holder is balanced with the magnetic attraction force between the permanent magnet and the iron core, so that the lamp holder is suspended below the lamp holder.
Preferably, the base is further provided with a second switch, the second switch is electrically connected with the power supply module, the second switch is used for controlling the power supply module to supply power to the electromagnetic coil, and when the electromagnetic coil is powered off, the permanent magnet and the iron core are mutually adsorbed, so that the lamp holder is magnetically adsorbed on the bottom surface of the lamp holder.
The technical scheme of the utility model adopts the magnetic suspension mode to suspend the lamp holder below the lamp holder, and the lamp holder supplies power to the lamp holder in the wireless power supply mode, so that the lamp holder suspended below the lamp holder can normally emit light, the product is rich in scientific and cool feeling, and the decorative and ornamental effect of the product is improved; the built-in wireless module of charging that has of base realizes, and wireless module's that charges second transmitting coil can carry out wireless charging to treating battery charging outfit (for example, have the cell-phone of wireless function of charging, smart mobile phone etc.), has expanded the wireless function of charging of desk lamp, can satisfy user's multiple user demand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the magnetic suspension wireless charging desk lamp of the present invention at a viewing angle;
fig. 2 is a schematic structural view of the magnetic suspension wireless charging desk lamp in fig. 1 at another view angle;
FIG. 3 is an exploded view of the lamp head of the magnetically levitated wireless charging desk lamp of FIG. 2;
FIG. 4 is an exploded view of the lamp socket of the magnetically levitated wireless charging desk lamp of FIG. 2;
FIG. 5 is an exploded view of the base of the magnetically levitated wireless charging desk lamp of FIG. 2;
FIG. 6 is an assembled view of the wireless charging module of the base of FIG. 5;
fig. 7 is a schematic structural view of another embodiment of the magnetic suspension wireless charging desk lamp of the present invention at a viewing angle;
FIG. 8 is a schematic structural diagram of a base of the magnetically levitated wireless charging desk lamp of FIG. 7;
fig. 9 is a schematic view of the internal structure of the base in fig. 8.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a magnetic suspension wireless desk lamp that charges.
In an embodiment of the present invention, referring to fig. 1 to 4 and combining fig. 5 and 6, the magnetic suspension wireless charging desk lamp 1 includes a base 10, a connecting rod 20, a lamp holder 30 and a lamp cap 40, a lower end of the connecting rod 20 is connected to the base 10, an upper end of the connecting rod 20 is connected to the lamp holder 30, a magnetic suspension module 310 is disposed in the lamp holder 30, a magnetic suspension piece 410 is disposed at a top end of the lamp cap 40, the magnetic suspension piece 410 and the magnetic suspension module 310 generate a magnetic force, and the magnetic force is balanced with a gravity of the lamp cap 40 to suspend the lamp cap 40 below the lamp holder 30; a first transmitting coil 320 is disposed in the lamp holder 30, and a first receiving coil 420 and a light-emitting lamp wick electrically connected to the first receiving coil 420 are disposed in the lamp holder 40;
the base 10 includes:
a bottom case 110;
the power supply module 120 is disposed in the bottom case 110, and the power supply module 120 is electrically connected to the first radiation coil 320 through a wire embedded in the connecting rod 20;
the wireless charging module 130 is disposed in the bottom case 110, the wireless charging module 130 includes a wireless charging PCB 131 and a second transmitting coil 132 electrically connected to the wireless charging PCB 131, and the second transmitting coil 132 is disposed adjacent to an upper side of the bottom case 110.
Specifically, the lamp socket 30 is connected to the base 10 through the connection rod 20, and the connection rod 20 has a certain degree of freedom, so that the position of the lamp socket 30 can be adjusted by adjusting the connection rod 20. A battery may be disposed inside the base 10, and the battery is connected to the power supply module 120, so as to implement the power supply function of the power supply module 120. Of course, the battery may also have a charging function, and a power supply interface is disposed on the bottom case 110, so as to facilitate charging of the battery, and ensure continuous power supply of the battery to the power supply module 120.
It can be understood that the power supply module 120 may be powered by a battery, or may be powered by an external power source, and the bottom shell 110 is provided with a power supply interface, and the power supply interface is electrically connected to the power supply module 120, so as to supply power to the power supply module 120 by an external power source.
The power supply module 120 is connected to the first radiation coil 320 by a wire, and the wire may be hidden inside the connecting rod 20 or fixed along the surface of the connecting rod 20. The top end of the lamp holder 40 is provided with a first receiving coil 420 which can be wirelessly matched with the first emitting coil 320, and the lamp holder 30 supplies power to the lamp holder 40 in a wireless power supply mode, so that the lamp holder 40 does not need to be in contact with the lamp holder 30, and the light emitting lamp core in the lamp holder 40 can be electrified to emit light.
The magnetic suspension module 310 is arranged in the lamp holder 30, the magnetic suspension piece 410 is arranged at the top end of the lamp cap 40, and the magnetic suspension piece 410 is acted by the magnetic force of the magnetic suspension module 310 and the magnetic force is balanced with the gravity of the lamp cap 40, so that the lamp cap 40 is suspended below the lamp holder 30. Because the lamp holder 40 and the lamp holder 30 adopt a wireless power supply mode, the lamp holder 40 suspended below the lamp holder 30 can realize an electrified light-emitting effect. Therefore, the suspended light-emitting lamp head 40 is rich in technological aesthetic feeling and attractive, and further can generate better decorative and ornamental effects.
Meanwhile, the magnetic suspension wireless charging table lamp 1 has a wireless charging function, and can wirelessly charge currently popular devices with the wireless charging function, such as mobile phones and smart watches. Certainly, for some conventional mobile phones without a wireless charging function, wireless charging of the conventional mobile phones can be achieved by installing a wireless charging receiver (coil patch). Wherein, this wireless charging function of magnetic suspension wireless charging desk lamp 1 mainly realizes through the wireless module 130 that charges of placing in base 10 drain pan 110 in, wireless module 130 that charges includes wireless charging PCB board 131, second transmitting coil 132, wireless charging PCB board 131 and the power module 120 electric connection in the drain pan 110, wireless charging PCB board 131 has wireless charging circuit, this wireless charging circuit's input is connected with power module 120, this wireless charging circuit's output is connected with second transmitting coil 132, second transmitting coil 132 closes on the side setting of going up of drain pan 110, and then so that press close to treating the battery charging outfit better (for example have the cell-phone of wireless function of charging, smart mobile phone etc.). In this way, when the user places the device to be charged on the upper surface of the base 10, the second transmitting coil 132 is powered on to work, so as to wirelessly charge the device to be charged.
The technical scheme of the utility model adopts the magnetic suspension mode to suspend the lamp holder 40 below the lamp holder 30, and the lamp holder 30 supplies power to the lamp holder 40 in the wireless power supply mode, so that the lamp holder 40 suspended below the lamp holder 30 can normally emit light, the product is rich in scientific and technological cool feeling, and the decorative and ornamental effect of the product is improved; the base 10 is internally provided with the wireless charging module 130 for realization, and the second transmitting coil 132 of the wireless charging module 130 can wirelessly charge the device to be charged (for example, a mobile phone, a smart phone, etc. with a wireless charging function), so that the wireless charging function of the desk lamp is expanded, and multiple use requirements of a user can be met.
Further, for the base 10, the base 10 further includes a weight block 140 fixed in the bottom shell 110, and the power supply module 120 and the wireless charging module 130 are respectively installed and fixed on the weight block 140. The counterweight block 140 is arranged, so that on one hand, the weight of the base 10 can be increased, and the phenomenon that the magnetic suspension wireless charging desk lamp 1 inclines and turns over due to unstable gravity center is avoided; on the other hand, the weight block 140 provides a mounting bracket structure, which facilitates the installation and fixation of the power supply module 120, the wireless charging module 130, and the like in the bottom case 110, thereby simplifying the structure of the bottom case 110.
In this embodiment, the upper side surface of the weight block 140 is provided with a receiving groove 141 for receiving the wireless charging PCB 131, the wireless charging PCB 131 is detachably fixed in the receiving groove 141, and the second transmitting coil 132 is located on a side of the wireless charging PCB 131 opposite to the bottom of the receiving groove 141. The wireless charging PCB 131 is fixed to the bottom of the accommodating groove 141 by screws, or the wireless charging PCB 131 is fixed in the accommodating groove 141 by fasteners. Of course, in some other embodiments, the wireless charging PCB 131 may also be directly fixed in the receiving groove 141 by using an adhesive method.
In order to ensure the charging effect of the device to be charged, for the magnetic suspension wireless charging desk lamp 1, the bottom shell 110 thereof comprises a housing cover 111 and a bottom plate 112, and the position of the outer wall surface of the upper side of the housing cover 111 corresponding to the second transmitting coil 132 is preferably provided with a device to be charged placing mark 113. Therefore, by setting the placement mark 113 of the device to be charged, the user can be guided to place the device to be charged at the optimal charging position, and the wireless charging effect is optimal.
Further, referring to fig. 7 to 9, the base 10 is further provided with a wireless charging indicator light 150, the wireless charging indicator light 150 is connected to the wireless charging PCB 131, and the wireless charging indicator light 150 has at least two light emitting colors, so that the indication colors of the wireless charging indicator light 150 in the operating state and the standby state of the wireless charging module 130 are different. For example, the wireless charging indicator light 150 has two colors of red and green, when the device to be charged is not placed on the base 10, the wireless charging module 130 does not work, and the wireless charging indicator light 150 is displayed in red; when the device to be charged is placed on the base 10, the wireless charging module 130 starts wireless charging, and the wireless charging indicator light 150 is displayed as green.
The base 10 is further provided with a first switch 160, the first switch 160 is electrically connected to the power supply module 120, and the first switch 160 is used for controlling the power supply module 120 to supply power to the first transmitting coil 320. The first switch 160 may be a touch type, a button type, a knob type, a toggle type, etc., and is not particularly limited herein. By arranging the first switch 160, when the lamp cap 40 floats below the lamp holder 30, the lamp cap 40 can be controlled to be powered on and emit light.
In addition, in order to further expand the practicability of the magnetic suspension wireless charging desk lamp 1, the base 10 of the magnetic suspension wireless charging desk lamp is further provided with a power output interface 170 for supplying power to the device to be charged, and the power output interface 170 is a USB interface or a Type-C interface. So, also can treat charging device through the connecting wire and carry out wired charging or power supply, and then satisfy more charging demand of user. Preferably, the number of the power output interfaces 170 is plural, and at least one of the power output interfaces 170 is a USB interface.
Referring to fig. 1 and 2 in combination with fig. 3 and 4, for the magnetic suspension wireless charging desk lamp 1, the magnetic suspension piece 410 includes a permanent magnet, and the magnetic suspension module 310 includes an iron core 311, an electromagnetic coil 312, a hall sensor 313, and a suspension control unit 314; the iron core 311 is vertically arranged in the lamp holder 30; the electromagnetic coil 312 is wound around the outer peripheral surface of the iron core 311, and the power supply end of the electromagnetic coil 312 is connected with the power supply module 120; the hall sensor 313 is arranged on the lower end surface of the iron core 311 and used for detecting the distance between the magnetic suspension piece 410 and the iron core 311; the suspension control unit 314 is electrically connected with the hall sensor 313 and the power supply module 120 respectively; when the distance between the magnetic suspension piece 410 and the iron core 311 is within the preset range, the hall sensor 313 feeds back a position signal to the suspension control unit 314, the suspension control unit 314 controls the power supply module 120 to supply power to the electromagnetic coil 312 according to the position signal, the electromagnetic coil 312 is electrified to generate an electromagnetic repulsion force repelling the permanent magnet, and the sum of the electromagnetic repulsion force and the gravity of the lamp holder 40 is balanced with the magnetic attraction force between the permanent magnet and the iron core 311, so that the lamp holder 40 is suspended below the lamp holder 30.
It can be understood that, for the magnetic suspension module 310, the iron core 311 and the electromagnetic coil 312 form an electromagnet structure, and the permanent magnet itself has magnetism, and whether the electromagnetic coil 312 is electrified or not, the permanent magnet can directly generate a magnetic attraction force with the iron core 311, and the magnetic attraction force is greater than the self-gravity of the lamp head 40. In this way, when the electromagnetic coil 312 is not energized or is suddenly de-energized, the magnetic attraction between the permanent magnet and the iron core 311 can ensure that the lamp holder 40 is firmly attached to the bottom surface of the lamp holder 30, so as to prevent the lamp holder 40 from falling off, and thus the lamp holder 40 has a function of preventing falling.
In order to realize that the lamp holder 40 can be suspended below the lamp holder 30, the lamp holder 30 is provided with a hall sensor 313 for detecting the position of the permanent magnet, when the lamp holder 40 is located at a preset position, the distance between the permanent magnet and the iron core 311 is within a preset range at the moment, the hall sensor 313 feeds back a position signal to the suspension control unit 314, the suspension control unit 314 controls the power supply module 120 to supply power to the electromagnetic coil 312 according to the position signal, the electromagnetic coil 312 and the iron core 311 form an electromagnet with the same magnetism as the permanent magnet, electromagnetic repulsion is generated between the electromagnet and the permanent magnet, further the lamp holder 40 is subjected to downward repulsion action of the lamp holder 30, and when the electromagnetic repulsion, the self gravity of the lamp holder 40 and the magnetic attraction reach balance, the lamp holder 40 can be suspended. Once the electromagnetic coil 312 is powered off, the electromagnetic repulsion generated by the electromagnet disappears, and the magnetic attraction is greater than the gravity of the lamp head 40 itself, so that the lamp head 40 moves upward from the suspension state and is directly adsorbed on the bottom surface of the lamp holder 30. Through setting up above-mentioned magnetic suspension module 310 and magnetic suspension piece 410, can realize that when the wireless desk lamp 1 that charges of magnetic suspension does not switch on electrician's work or when cutting off the power supply suddenly, lamp holder 40 can adsorb in lamp stand 30 bottom surface department automatically, has realized the dropproof protect function of lamp holder 40.
The base 10 is further provided with a second switch 180, the second switch 180 is electrically connected to the power supply module 120, the second switch 180 is used for controlling the power supply module 120 to supply power to the electromagnetic coil 312, and when the electromagnetic coil 312 is powered off, the permanent magnet and the iron core 311 are attracted to each other, so that the lamp holder 40 is magnetically attracted to the bottom surface of the lamp holder 30. The second switch 180 may be a touch type, a button type, a knob type, a toggle type, etc., and is not particularly limited herein. By providing the second switch 180, the energization of the electromagnetic coil 312 is controlled, and the base 40 is also switched from the floating state to the attracted state.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A magnetic suspension wireless charging desk lamp is characterized by comprising a base, a connecting rod, a lamp holder and a lamp holder, wherein the lower end of the connecting rod is connected with the base, the upper end of the connecting rod is connected with the lamp holder, a magnetic suspension module is arranged in the lamp holder, a magnetic suspension piece is arranged at the top end of the lamp holder, the magnetic suspension piece and the magnetic suspension module generate magnetic force, and the magnetic force is balanced with the gravity of the lamp holder so as to suspend the lamp holder below the lamp holder; a first transmitting coil is arranged in the lamp holder, and a first receiving coil and a light-emitting lamp wick electrically connected with the first receiving coil are arranged in the lamp holder;
the base includes:
a bottom case;
the power supply module is arranged in the bottom shell and is electrically connected with the first radiation coil through a lead arranged in the connecting rod;
the wireless charging module is arranged in the bottom shell and comprises a wireless charging PCB and a second transmitting coil electrically connected with the wireless charging PCB, and the second transmitting coil is close to the upper side face of the bottom shell.
2. The magnetically levitated wireless charging desk lamp of claim 1, wherein the base further comprises a weight block fixed in the bottom case, and the power supply module and the wireless charging module are respectively installed and fixed on the weight block.
3. The magnetically levitated wireless charging desk lamp of claim 2, wherein the upper side of the weight block is provided with a receiving slot for receiving the wireless charging PCB, the wireless charging PCB is detachably fixed in the receiving slot, and the second transmitting coil is located on a side of the wireless charging PCB opposite to the bottom of the receiving slot.
4. The magnetic suspension wireless charging desk lamp according to claim 1, wherein the bottom shell comprises a housing cover and a bottom plate, and a position of the outer wall surface of the upper side of the housing cover corresponding to the second transmitting coil is provided with a placement mark of the device to be charged.
5. The magnetically levitated wireless charging desk lamp as claimed in claim 1, wherein the base is further provided with a wireless charging indicator lamp, the wireless charging indicator lamp is connected with the wireless charging PCB, and the wireless charging indicator lamp has at least two light emitting colors, so that the wireless charging indicator lamp has different indication colors in the working state and the standby state of the wireless charging module.
6. The magnetically suspended wireless charging desk lamp as claimed in claim 1, wherein the base further comprises a first switch, the first switch is electrically connected to the power supply module, and the first switch is used for controlling the power supply module to supply power to the first emitting coil.
7. The magnetically levitated wireless charging desk lamp of claim 1, wherein the base is provided with a power output interface for supplying power to a device to be charged, and the power output interface is a USB interface or a Type-C interface.
8. The magnetically levitated wireless charging desk lamp of claim 7, wherein the number of the power output interfaces is plural, and at least one of the power output interfaces is a USB interface.
9. The magnetically levitated wireless rechargeable desk lamp of any one of claims 1 to 8, wherein the magnetic suspension includes a permanent magnet;
the magnetic levitation module includes:
the iron core is vertically arranged in the lamp holder;
the electromagnetic coil is wound on the peripheral surface of the iron core, and the power supply end of the electromagnetic coil is connected with the power supply module;
the Hall sensor is arranged on the lower end face of the iron core and used for detecting the distance between the magnetic suspension piece and the iron core; and
the suspension control unit is electrically connected with the Hall sensor and the power supply module respectively;
when the distance between the magnetic suspension piece and the iron core is within a preset range, the Hall sensor feeds back a position signal to the suspension control unit, the suspension control unit controls the power supply module to supply power to the electromagnetic coil according to the position signal, the electromagnetic coil is electrified to generate electromagnetic repulsion force repelling the permanent magnet, and the sum of the electromagnetic repulsion force and the gravity of the lamp holder is balanced with the magnetic attraction force between the permanent magnet and the iron core, so that the lamp holder is suspended below the lamp holder.
10. The magnetically suspended wireless charging desk lamp as claimed in claim 9, wherein the base further comprises a second switch electrically connected to the power supply module, the second switch is used to control the power supply module to supply power to the electromagnetic coil, and when the electromagnetic coil is powered off, the permanent magnet and the iron core are attracted to each other, so that the lamp holder is magnetically attracted to the bottom surface of the lamp holder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020215431.0U CN211450471U (en) | 2020-02-26 | 2020-02-26 | Magnetic suspension wireless charging desk lamp |
| PCT/CN2020/081075 WO2021036242A1 (en) | 2019-08-23 | 2020-03-25 | Smart voice magnetic levitation table lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020215431.0U CN211450471U (en) | 2020-02-26 | 2020-02-26 | Magnetic suspension wireless charging desk lamp |
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| Publication Number | Publication Date |
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| CN211450471U true CN211450471U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020215431.0U Active CN211450471U (en) | 2019-08-23 | 2020-02-26 | Magnetic suspension wireless charging desk lamp |
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| CN (1) | CN211450471U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260418A (en) * | 2020-10-14 | 2021-01-22 | 佛山科学技术学院 | Magnetic suspension wireless charger and charging system |
| CN112671119A (en) * | 2020-12-08 | 2021-04-16 | Oppo广东移动通信有限公司 | Wireless charging system |
-
2020
- 2020-02-26 CN CN202020215431.0U patent/CN211450471U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260418A (en) * | 2020-10-14 | 2021-01-22 | 佛山科学技术学院 | Magnetic suspension wireless charger and charging system |
| CN112671119A (en) * | 2020-12-08 | 2021-04-16 | Oppo广东移动通信有限公司 | Wireless charging system |
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