CN213341762U - Wireless energy transmission device applied to elevator car - Google Patents
Wireless energy transmission device applied to elevator car Download PDFInfo
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- CN213341762U CN213341762U CN202022367102.0U CN202022367102U CN213341762U CN 213341762 U CN213341762 U CN 213341762U CN 202022367102 U CN202022367102 U CN 202022367102U CN 213341762 U CN213341762 U CN 213341762U
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- elevator car
- energy transmission
- circuit board
- guide rail
- receiving coil
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Abstract
The utility model discloses a be applied to elevator car's wireless energy transmission device, including arranging the transmitting terminal in the elevartor shaft and arranging the end of picking up on elevator car, the transmitting terminal is including launching the guide rail, and at least one section energy transmission section in this transmission guide rail arranges along elevator car's direction of motion, pick up the end including getting electrical apparatus, should get electrical apparatus the outside be provided with the recess that launching the guide rail suited, in elevator car back and forth movement in-process, get electrical apparatus and follow the energy transmission section motion of launching the guide rail. The effect is as follows: adopt and get electrical apparatus and carry out the wireless coupling mode with the transmission guide rail of arranging in the elevartor shaft for electric energy can be followed transmission guide rail wireless transmission to receiving coil, again through receiving coil transmission to elevator car power supply, consequently need not to pull the cable that follows with elevator car, has reduced the potential safety hazard of elevator operation, and then has promoted the stability and the reliability of elevator.
Description
Technical Field
The utility model relates to a wireless energy transmission technology, specifically speaking relates to a be applied to elevator car's wireless energy transmission device.
Background
As an electromechanical device for vertical movement lifting, an elevator is powered by dragging a traveling cable to lift an elevator car at present, and the traveling cable goes up and down along with the elevator car, so that the defects of low efficiency, high maintenance cost and the like exist. Especially in super high-rise buildings and high-speed elevators, the bearing load of the traveling cable can be increased due to the fact that the elevator runs at an overlarge speed or the free suspension length is too long, safety risks such as abrasion, accelerated aging and unsafe exposure exist, and the reliability and the running efficiency of the elevator are greatly reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an at first be applied to elevator car's wireless energy transmission device, adopt the electric energy transmission mode of wireless coupling, need not to pull the retinue cable, reduced the potential safety hazard to the operating efficiency and the reliability of elevator have been guaranteed.
In order to achieve the above object, the utility model adopts the following specific technical scheme:
the wireless energy transmission device applied to the elevator car is characterized by comprising a transmitting end arranged in an elevator shaft and a picking end arranged on the elevator car, wherein the transmitting end comprises a transmitting guide rail, at least one section of energy transmission section in the transmitting guide rail is arranged along the moving direction of the elevator car, the picking end comprises a power taking device, a groove matched with the transmitting guide rail is formed in the outer portion of the power taking device, the power taking device moves along the energy transmission section of the transmitting guide rail in the reciprocating motion process of the elevator car, the energy transmission section of the transmitting guide rail is embedded in the groove of the power taking device in a non-contact mode, and a receiving coil is further arranged in the power taking device.
Furthermore, the launching guide rail is wound by a single excitation wire into a U shape, parallel sections on the left side and the right side are used as the energy transmission sections, and the launching guide rail is supported on the wall of the elevator shaft through a support.
Furthermore, the electricity taking device is provided with a coil installation cavity and a circuit board installation cavity, the cavity shell of the coil installation cavity is made of magnetic materials, at least two sections of outwards-protruding cavities are arranged at the bottom of the cavity shell, the groove is formed between every two adjacent sections of outwards-protruding cavities, the circuit board installation cavity is installed at the top of the coil installation cavity, and magnetic shielding materials are arranged between the circuit board installation cavity and the coil installation cavity.
Furthermore, the coil installation cavity is an E-shaped cavity, an E-shaped magnetic core is arranged in the E-shaped cavity, and the receiving coil is wound on the E-shaped magnetic core.
Furthermore, four groups of receiving coils are wound on the E-shaped magnetic core, wherein a first receiving coil is wound on the transverse magnet at the upper end of the E-shaped magnetic core, a second receiving coil is wound on the vertical magnet at the upper end of the E-shaped magnetic core, a third receiving coil is wound on the transverse magnet at the lower end of the E-shaped magnetic core, and a fourth receiving coil is wound on the vertical magnet at the lower end of the E-shaped magnetic core.
Furthermore, the first receiving coil and the second receiving coil are wound in a first winding direction and are connected in series with each other, the third receiving coil and the fourth receiving coil are wound in a second winding direction and are connected in series with each other, and the first winding direction and the second winding direction are opposite.
Furthermore, the coil installation cavity is filled with epoxy resin.
Furthermore, the circuit board with the resonance capacitor is installed in the circuit board installation cavity, the resonance capacitor is electrically connected with the receiving coil, and an insulation board is further embedded between the circuit board and a top cover plate of the circuit board installation cavity.
Furthermore, the circuit board mounting cavity is made of an aluminum alloy material, and a bottom plate of the circuit board mounting cavity is used as a magnetic shielding material arranged between the circuit board mounting cavity and the coil mounting cavity.
Furthermore, an external connecting wire is led out from the circuit board, penetrates through a threading hole in the top cover plate and is connected with a wireless charging receiving device arranged on the elevator car.
The utility model discloses a show the effect and be:
the utility model discloses a get the transmission guide rail of arranging in electrical apparatus and the elevartor shaft and carry out the wireless coupling mode for the electric energy can be followed transmission guide rail wireless transmission to receiving coil, again through receiving coil transmission to elevator car power supply, consequently need not to pull the cable that accompanies with elevator car, has reduced the potential safety hazard of elevator operation, and then has promoted the stability and the reliability of elevator.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the pick-up end of the present invention;
FIG. 3 is an equivalent circuit diagram of wireless energy transfer;
the figure is marked with: the elevator comprises an a-elevator shaft, a b-transmitting end, a c-elevator car, a d-picking end, an e-transmitting guide rail, an f-power taking device, a g-bracket, a 1-coil mounting cavity, a 2-circuit board mounting cavity, a 3-convex cavity, a 4-groove, a 5-magnetic core, a 6-receiving coil, a 7-circuit board, an 8-top cover plate, a 9-insulating plate and a 10-winding pile.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As fig. 1, fig. 2 disclose an embodiment of the present invention: the wireless energy transmission device applied to the elevator car is characterized by comprising a transmitting end b arranged in an elevator shaft a and a picking end d arranged on the elevator car c, wherein the transmitting end b comprises a transmitting guide rail e, at least one energy transmission section in the transmitting guide rail e is arranged along the moving direction of the elevator car c, the picking end d comprises a power taker f, a groove 4 matched with the transmitting guide rail e is formed in the outer portion of the power taker f, the power taker f moves along the energy transmission section of the transmitting guide rail e in the reciprocating motion process of the elevator car c, the energy transmission section of the transmitting guide rail e is embedded in the groove 4 of the power taker f in a non-contact mode, and a receiving coil 6 is further arranged inside the power taker f. The launching guide rail e is made into a U shape by winding a single excitation wire, parallel sections on the left side and the right side are used as the energy transmission sections, and the launching guide rail e is supported on the wall of the elevator shaft a through a support g. The electricity taking device is provided with a coil installation cavity 1 and a circuit board installation cavity 2, the cavity shell of the coil installation cavity 1 is made of magnetic materials, at least two sections of outwards-protruding cavities 3 are arranged at the bottom of the cavity shell, a groove 4 matched with a transmitting guide rail of a wireless energy transmission system is formed between every two adjacent sections of outwards-protruding cavities 3, the circuit board installation cavity 2 is installed at the top of the coil installation cavity 1, and magnetic shielding materials are arranged between the circuit board installation cavity 2 and the coil installation cavity 1. The coil mounting cavity 1 is an E-shaped cavity, an E-shaped magnetic core 5 is arranged in the E-shaped cavity, and a receiving coil 6 is wound on the E-shaped magnetic core 5. Four groups of receiving coils 6 are wound on the E-shaped magnetic core 5, wherein a first receiving coil is wound on the transverse magnet at the upper end of the E-shaped magnetic core, a second receiving coil is wound on the vertical magnet at the upper end of the E-shaped magnetic core, a third receiving coil is wound on the transverse magnet at the lower end of the E-shaped magnetic core, and a fourth receiving coil is wound on the vertical magnet at the lower end of the E-shaped magnetic core. The first receiving coil Ls1And the second receiving coil Ls2The third receiving coils L are wound according to a first winding direction and are connected in series with each others3And the fourth receiving coil Ls4And the first winding direction and the second winding direction are opposite.
In the present embodiment, when the wireless energy transmission system is formed by using the same, the first transmitting rail and the second transmitting rail with opposite currents are taken as an example (respectively denoted as L in fig. 3)p1And Lp2) The receiving coil 6 includes a first magnetic coupling coil and a second magnetic coupling coil connected in series. The first magnetically coupled coil comprises two serially connected single coils, each of which is denoted L in fig. 3, surrounding the first transmission rail on both sidesS1And LS2. The second magnetically coupled coil comprises two serially connected single coils, surrounding the circumference of the second transmission rail on both sides, respectively denoted L in fig. 3S3And LS4. And, LS1And LS2Same winding direction, LS3And LS4Same winding direction, but LS1/LS2And LS3/LS4Opposite winding direction, LS1And LS2The picked current and LS3And LS4The picked currents are superposed and then output. It will be appreciated that a plurality of single coils may be arranged in series, not just one single coil, for a particular face of the first and/or second emitter rail.
In order to firmly mount the receiving coil 6 in the coil mounting cavity 1, the coil mounting cavity 1 is filled with epoxy resin.
Preferably, the circuit board installation cavity 2 is provided with a circuit board 7 with a resonance capacitor, the resonance capacitor is electrically connected with the receiving coil 6, and in order to reduce the influence of an external circuit on the circuit board, an insulating plate 9 is further embedded between the circuit board 7 and a top cover plate 8 of the circuit board installation cavity 2.
As shown in fig. 2, in order to effectively shield the interference of the receiving coil 6 and the magnetic core 5 with the circuit board 7, the circuit board mounting cavity 2 is made of an aluminum alloy material, and a bottom plate of the circuit board mounting cavity 2 is used as a magnetic shielding material arranged between the circuit board mounting cavity 2 and the coil mounting cavity 1.
Specifically, an external connection line is led out from the circuit board, and the external connection line penetrates through a threading hole in the top cover plate 8 and extends outwards.
Specifically, the top cover plate 8 is fixed to the top of the circuit board mounting cavity 2 by a locking screw.
Specifically, the coil installation cavity 1 and the circuit board installation cavity 2 are detachably connected through a locking screw.
During practical use, because car power supply wire node beading is on circuit board 7, if pull car power supply wire then probably lead to the node to drop, consequently, still be provided with wire winding stake 10 in the coil installation cavity 1, after the node welding, through wire winding stake 10 winding part power supply wire, when pulling the wire, wire winding stake 10 can offset most effort to the connected node disconnection of car power supply wire with circuit board 7 has been avoided.
Based on the above description, the utility model discloses a transmitting guide rail that arranges in receiving coil 6 and the elevartor shaft carries out the wireless coupling mode for the electric energy can be followed transmitting guide rail wireless transmission to receiving coil, again via receiving coil 6 transmission to car power supply, consequently need not to pull the cable of following with the car, has reduced the potential safety hazard of elevator operation, and then has promoted the stability and the reliability of elevator, and coil installation cavity 1 adopts the specific structure with the transmitting guide rail adaptation simultaneously, can further strengthen wireless energy transmission's efficiency.
Finally, it should be noted that the above-mentioned technical solutions are only preferred embodiments of the present invention, and certainly, the scope of the present invention should not be limited thereby, and those skilled in the art can understand that all or part of the procedures of the above-mentioned embodiments can be realized, and the equivalent changes made according to the claims of the present invention still belong to the scope covered by the present invention.
Claims (10)
1. The wireless energy transmission device is characterized by comprising a transmitting end arranged in an elevator shaft and a picking end arranged on the elevator car, wherein the transmitting end comprises a transmitting guide rail, at least one section of energy transmission section in the transmitting guide rail is arranged along the moving direction of the elevator car, the picking end comprises a power taking device, a groove matched with the transmitting guide rail is formed in the outer portion of the power taking device, the power taking device moves along the energy transmission section of the transmitting guide rail in the reciprocating motion process of the elevator car, the energy transmission section of the transmitting guide rail is embedded in the groove of the power taking device in a non-contact mode, and a receiving coil is further arranged in the power taking device.
2. The wireless energy transmission device applied to the elevator car according to claim 1, wherein the transmission guide rail is formed by winding a single excitation wire into a U shape, parallel sections on the left and right sides serve as the energy transmission section, and are supported on the wall of the elevator shaft by a bracket.
3. The wireless energy transmission device applied to the elevator car according to claim 1 or 2, wherein the electricity taking device is provided with a coil installation cavity and a circuit board installation cavity, the cavity shell of the coil installation cavity is made of magnetic conductive materials, the bottom of the cavity shell is provided with at least two sections of outwards-protruding cavities, the groove is formed between the two adjacent sections of outwards-protruding cavities, the circuit board installation cavity is installed at the top of the coil installation cavity, and magnetic shielding materials are arranged between the circuit board installation cavity and the coil installation cavity.
4. The wireless energy transmission device applied to the elevator car as claimed in claim 3, wherein the coil installation cavity is an E-shaped cavity, an E-shaped magnetic core is arranged in the E-shaped cavity, and the receiving coil is wound on the E-shaped magnetic core.
5. The wireless energy transmission device applied to the elevator car as set forth in claim 4, wherein four sets of receiving coils are wound on the E-shaped magnetic core, wherein a first receiving coil is wound on the transverse magnet at the upper end of the E-shaped magnetic core, a second receiving coil is wound on the vertical magnet at the upper end of the E-shaped magnetic core, a third receiving coil is wound on the transverse magnet at the lower end of the E-shaped magnetic core, and a fourth receiving coil is wound on the vertical magnet at the lower end of the E-shaped magnetic core.
6. The wireless energy transmission device applied to the elevator car according to claim 5, wherein the first receiving coil and the second receiving coil are wound in a first winding direction and are connected in series with each other, the third receiving coil and the fourth receiving coil are wound in a second winding direction and are connected in series with each other, and the first winding direction and the second winding direction are opposite.
7. The wireless energy transmission device applied to an elevator car according to any one of claims 4 to 6, wherein the coil installation cavity is filled with epoxy resin.
8. The wireless energy transmission device applied to the elevator car according to any one of claims 4 to 6, wherein the circuit board mounting cavity is provided with a circuit board with a resonance capacitor, the resonance capacitor is electrically connected with the receiving coil, and an insulating plate is further embedded between the circuit board and a top cover plate of the circuit board mounting cavity.
9. The wireless energy transmission device applied to the elevator car according to claim 3, wherein the circuit board mounting chamber is made of an aluminum alloy material, and a bottom plate of the circuit board mounting chamber serves as a magnetic shielding material disposed between the circuit board mounting chamber and the coil mounting chamber.
10. The wireless energy transmission device applied to the elevator car as claimed in claim 8, wherein an external connection wire is led out from the circuit board, and the external connection wire passes through a threading hole in the top cover plate and is connected with a wireless charging receiving device arranged on the elevator car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367102.0U CN213341762U (en) | 2020-10-22 | 2020-10-22 | Wireless energy transmission device applied to elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367102.0U CN213341762U (en) | 2020-10-22 | 2020-10-22 | Wireless energy transmission device applied to elevator car |
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| Publication Number | Publication Date |
|---|---|
| CN213341762U true CN213341762U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022367102.0U Active CN213341762U (en) | 2020-10-22 | 2020-10-22 | Wireless energy transmission device applied to elevator car |
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| Country | Link |
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| CN (1) | CN213341762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117985559A (en) * | 2024-04-02 | 2024-05-07 | 深圳市博安智控科技有限公司 | Elevator management method and equipment applied to building |
-
2020
- 2020-10-22 CN CN202022367102.0U patent/CN213341762U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117985559A (en) * | 2024-04-02 | 2024-05-07 | 深圳市博安智控科技有限公司 | Elevator management method and equipment applied to building |
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