CN218240410U - Electromagnetic induction structure and have its range unit - Google Patents
Electromagnetic induction structure and have its range unit Download PDFInfo
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- CN218240410U CN218240410U CN202222099979.5U CN202222099979U CN218240410U CN 218240410 U CN218240410 U CN 218240410U CN 202222099979 U CN202222099979 U CN 202222099979U CN 218240410 U CN218240410 U CN 218240410U
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Abstract
The utility model provides a pair of electromagnetic induction structure and range unit who has it, including mounting, rotating member, wireless power supply secondary, wireless power supply primary and motor control PCB board, the mounting has the plane, and the rotating member has down the plane, and wireless power supply secondary level arranges on the plane down, and wireless power supply primary level arranges on last plane and corresponds with wireless power supply secondary and arranges, and motor control PCB board is fixed on the mounting and is connected with wireless power supply primary electricity, the utility model provides a pair of electromagnetic induction structure and range unit who has it can improve electromagnetic induction coil's transmission efficiency.
Description
Technical Field
The utility model relates to an electromagnetic induction structure and have its range unit belongs to laser radar range finding technical field.
Background
The laser radar distance measuring device needs to rotate 360 degrees to acquire the distance of obstacles in each direction, the whole structure of the existing radar is that the upper part rotates and the lower part does not rotate, the upper part is connected with the lower part through a bearing, the laser is transmitted and received in each direction through rotation, the transmission of electric energy in the upper part and the lower part is mainly realized by adopting a sliding ring, and the method has the defects of large structure volume, short service life and high noise; and an inner ring and an outer ring wireless power supply mode are adopted in the inner ring of the bearing, but the size of the bearing and the whole size are increased, and the transmission efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an electromagnetic induction structure is provided, electromagnetic induction coil's transmission efficiency can be improved.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides an electromagnetic induction structure, includes mounting, rotating member, wireless power supply secondary, wireless power supply primary and motor control PCB board, the mounting has the plane, the rotating member has lower plane, wireless power supply secondary level arranges on the lower plane, wireless power supply primary level arranges go up on the plane and with wireless power supply secondary corresponds arranges, motor control PCB board is fixed on the mounting and with wireless power supply primary electricity is connected.
The utility model has the advantages that: the motor control PCB supplies power to the wireless power supply primary coil, the wireless power supply primary coil supplies power to the wireless power supply secondary coil in an electromagnetic coupling mode, the wireless power supply secondary coil and the wireless power supply primary coil are horizontally arranged oppositely, and the transmission efficiency is high; the wireless induction mode is adopted to supply power to replace the traditional slip ring power supply and communication mode, the service life is prolonged, and meanwhile, the space can be saved.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, a wireless power supply secondary coil is annularly arranged on the lower plane, a wireless power supply primary coil is annularly arranged on the upper plane, and the widths of the wireless power supply secondary coil and the wireless power supply primary coil are the same.
Adopt the beneficial effect of above-mentioned further scheme: the structure is more compact; the wireless power supply secondary coil and the wireless power supply primary coil have the same ring width and good electromagnetic coupling effect.
The utility model provides a distance measuring device, includes electromagnetic induction structure, motor stator, motor rotor, circular code wheel, correlation formula photoelectricity code reader and range finding subassembly, motor stator fixes on the mounting, motor rotor fix on the rotating member and with motor stator corresponds the arrangement, the rotating member rotates to be connected on the mounting, circular code wheel is fixed the rotating member upper end, correlation formula photoelectricity code reader fixes on the rotating member and correspond and be located circular code wheel edge top, the range finding subassembly is installed the rotating member top, motor control PCB board respectively with motor stator with correlation formula photoelectricity code reader electricity is connected, wireless power supply secondary coil with the automatically controlled portion electricity of range finding subassembly is connected.
The utility model has the advantages that: the motor stator drives the motor rotor to rotate, the motor rotor drives the rotating part to rotate, so that the correlation type photoelectric code reader rotates around the edge of the circular code disc, laser emitted between the correlation type photoelectric code readers can penetrate through a gap between two saw teeth on the circular code disc, after the correlation type photoelectric code reader rotates along with the rotating part, the laser is blocked by the saw teeth of the circular code disc, the motor control PCB automatically calculates the local rotating speed of the laser emitted by the correlation type photoelectric code reader when the laser emits out of the gap of the saw teeth of the circular code disc, the motor control PCB is electrically connected with the motor stator, and the motor stator is used for adjusting the rotating speed of the motor rotor, so that the rotating part rotates at a constant speed, and the accuracy of distance measurement is improved; the rotating part drives the distance measuring assembly to rotate for scanning and distance measuring, and the measured distance value is recorded in the motor control PCB.
The motor control PCB board leads to the alternating current with certain frequency for wireless power supply primary coil, through electromagnetic induction's effect, can produce certain electric current in wireless power supply secondary coil, and wireless power supply secondary coil is connected with the automatically controlled portion electricity of range finding subassembly, and the automatically controlled portion of range finding subassembly carries out the power supply for other subassemblies of range finding subassembly power supply after rectifying the steady voltage to the electric energy that wireless power supply secondary coil produced and is used for the range finding.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the range finding subassembly includes laser emission pipe, transmission optical lens, receipt optical lens, launching tube, photoelectric control panel, receiving cylinder and photoelectric detector, the laser emission pipe is installed in the launching tube and with the photoelectric control panel electricity is connected, photoelectric detector is installed in the receiving cylinder and with the photoelectric control panel electricity is connected, wireless power supply secondary coil with the photoelectric control panel electricity is connected, transmission optical lens and receipt optical lens are fixed in respectively through gluing the technology the launching tube with on the receiving cylinder, the photoelectric control panel the launching tube with the receiving cylinder all through the screw fixation in the rotating member top.
The range finding subassembly adopts TOF range finding principle, and laser emission pipe sends pulsed laser through transmission optical lens, takes place the diffuse reflection behind the pulse laser signal shines the target, and diffuse reflection laser signal is received and is focused on photoelectric detector by receiving optical lens, and photoelectric control panel calculates through the time difference to transmission laser and receipt laser, obtains and the target between the distance, and the reasonable space that has utilized of range finding subassembly has simplified structural design, is of value to reduce cost.
Drawings
Fig. 1 is a schematic structural view of an electromagnetic induction structure and a distance measuring device having the same according to the present invention;
fig. 2 is a cross-sectional view of an electromagnetic induction structure and a distance measuring device having the same provided by the present invention;
fig. 3 is the utility model provides an internal structure schematic diagram of an electromagnetic induction structure and range unit with the same.
In the drawings, the reference numbers indicate the following list of parts:
the system comprises a fixed part 1, a rotating part 2, a wireless power supply secondary coil 3, a wireless power supply primary coil 4, a motor control PCB 5, a motor stator 6, a motor rotor 7, a circular code disc 8, a correlation photoelectric code reader 10, a distance measuring assembly 101, a transmitting optical lens 102, a receiving optical lens 103, a transmitting barrel 103, a photoelectric control panel 104, a receiving barrel 105, a laser transmitting tube 106 and a photoelectric detector 107.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.
The utility model aims at providing an electromagnetic induction structure to solve the problem that prior art exists, can improve electromagnetic induction coil's transmission efficiency.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.
The utility model provides an electromagnetic induction structure, in one embodiment of the utility model, as shown in fig. 1 ~ 3, including mounting 1, rotating member 2, wireless power supply secondary 3, wireless power supply primary 4 and motor control PCB board 5, mounting 1 has the upper plane, and rotating member 2 has the lower plane, and 3 levels of wireless power supply secondary arrange under on the plane, and 4 levels of wireless power supply primary arrange on the upper plane and correspond with wireless power supply secondary 3 and arrange, and motor control PCB board 5 is fixed on mounting 1 and is connected with 4 electricity of wireless power supply primary.
The utility model provides an electromagnetic induction structure, motor control PCB board 5 are the power supply of wireless power supply primary coil 4, and wireless power supply primary coil 4 supplies power for wireless power supply secondary coil 3 through the electromagnetic coupling mode, and wireless power supply secondary coil 3 and the 4 horizontal mutual dispositions of wireless power supply primary coil, and transmission efficiency height adopts the power supply of wireless induction mode to replace the mode of traditional sliding ring power supply and communication, improves life, can practice thrift the space simultaneously.
The utility model discloses in a concrete embodiment, wireless power supply secondary 3 is the annular and arranges on the plane down, and wireless power supply primary 4 is the annular and arranges on last plane, and wireless power supply secondary 3 is the same with 4 ring widths of wireless power supply primary.
The structure is more compact; the wireless power supply secondary coil 3 and the wireless power supply primary coil 4 have the same ring width and good electromagnetic coupling effect.
The utility model provides a range unit is still provided, in a specific embodiment, as shown in fig. 1-3, including the electromagnetic induction structure, motor stator 6, electric motor rotor 7, circular code wheel 8, correlation formula photoelectricity code reader 9 and range finding subassembly 10, motor stator 6 fixes on mounting 1, electric motor rotor 7 fixes on rotating member 2 and corresponds with motor stator 6 and arranges, rotating member 2 rotates and connects on mounting 1, circular code wheel 8 fixes in rotating member 2 upper end, correlation formula photoelectricity code reader 9 fixes on rotating member 2 and corresponds and be located 8 marginal tops of circular code wheel, range finding subassembly 10 is installed at 2 tops of rotating member, motor control PCB board 5 respectively with motor stator 6, correlation formula photoelectricity code reader 9 electricity is connected, wireless power supply secondary coil 3 is connected with the automatically controlled portion electricity of range finding subassembly 10.
A distance measuring device is characterized in that a motor stator 6 drives a motor rotor 7 to rotate, the motor rotor 7 drives a rotating part 2 to rotate, and then an opposite type photoelectric code reader 9 rotates around the edge of a circular code disc 8, laser emitted between the opposite type photoelectric code readers 9 can penetrate through a gap between two saw teeth on the circular code disc 8, after the opposite type photoelectric code reader 9 rotates along with the rotating part 2, the laser is blocked by the saw teeth of the circular code disc 8, a motor control PCB (printed circuit board) 5 automatically calculates the local rotating speed of the laser emitted by the opposite type photoelectric code reader 9 when the laser emits out of the gap between the saw teeth of the circular code disc 8, the motor control PCB 5 is electrically connected with the motor stator 6, and the motor stator 6 is used for adjusting the rotating speed of the motor rotor 7, so that the rotating part 2 rotates at a constant speed, and the distance measuring accuracy is improved; the rotating part 2 drives the distance measuring component 10 to rotate for scanning distance measurement, and the measured distance value is recorded in the motor control PCB;
the motor control PCB board 5 leads to the alternating current with certain frequency for wireless power supply primary coil 4, through electromagnetic induction's effect, can produce certain electric current in wireless power supply secondary coil 3, and wireless power supply secondary coil 3 is connected with 7 automatically controlled portions of range finding subassembly electricity, and 7 automatically controlled portions of range finding subassembly carry out the rectification steady voltage to the electric energy that wireless power supply secondary coil 3 produced and supply power for 7 other subassemblies of range finding subassembly after for 7 for the range finding.
The utility model relates to an in the embodiment, range finding subassembly 10 includes laser emission pipe 106, emission optical lens piece 101, receive optical lens piece 102, launch tube 103, the photoelectric control board 104, receive tube 105 and photoelectric detector 107, laser emission pipe 106 is installed in launch tube 103 and is connected with photoelectric control board 104 electricity, photoelectric detector 107 is installed in receive tube 105 and is connected with photoelectric control board 104 electricity, wireless power supply secondary coil 3 is connected with photoelectric control board 104 electricity, emission optical lens piece 101 and receive optical lens piece 102 are fixed in on launch tube 103 and the receive tube 105 respectively through gluing the technology, photoelectric control board 104, launch tube 103 and receive tube 105 all are fixed in 2 tops of rotating member through the screw fixation.
The distance measuring component adopts a TOF (time of flight) distance measuring principle, the laser transmitting tube 106 emits pulse laser through the transmitting optical lens 101, the pulse laser signal is irradiated to a target and then subjected to diffuse reflection, the diffuse reflection laser signal is received by the receiving optical lens 102 and focused on the photoelectric detector 107, the photoelectric control panel 104 calculates the time difference between the transmitted laser and the received laser to obtain the distance between the laser and the target, and the distance measuring component 7 reasonably utilizes the space, simplifies the structural design and is beneficial to reducing the cost.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The utility model provides an electromagnetic induction structure, characterized in that, includes mounting (1), rotating member (2), wireless power supply secondary (3), wireless power supply primary (4) and motor control PCB board (5), mounting (1) has the upper plane, rotating member (2) have the lower plane, wireless power supply secondary (3) level is arranged on the lower plane, wireless power supply primary (4) level is arranged on the upper plane and with wireless power supply secondary (3) correspond and arrange, motor control PCB board (5) are fixed on mounting (1) and with wireless power supply primary (4) electricity is connected.
2. An electromagnetic induction structure according to claim 1, characterized in that the wirelessly powered secondary coil (3) is arranged in a loop on said lower plane, the wirelessly powered primary coil (4) is arranged in a loop on said upper plane, and the loop widths of the wirelessly powered secondary coil (3) and the wirelessly powered primary coil (4) are the same.
3. A distance measuring device, comprising the electromagnetic induction structure of claims 1-2, a motor stator (6), a motor rotor (7), a circular code disc (8), a correlation photoelectric code reader (9) and a distance measuring assembly (10), wherein the motor stator (6) is fixed on a fixing member (1), the motor rotor (7) is fixed on a rotating member (2) and arranged corresponding to the motor stator (6), the rotating member (2) is rotatably connected on the fixing member (1), the circular code disc (8) is fixed on the fixing member (1), the correlation photoelectric code reader (9) is fixed on the rotating member (2) and correspondingly positioned above the edge of the circular code disc (8), the distance measuring assembly (10) is installed on the top of the rotating member (2), a motor control PCB board (5) is electrically connected with the motor stator (6) and the correlation photoelectric code reader (9) respectively, and the wireless power supply secondary coil (3) is electrically connected with the distance measuring assembly (10).
4. A ranging device according to claim 3, characterized in that said ranging assembly (10) comprises a laser emitting tube (106), an emitting optical lens (101), a receiving optical lens (102), an emitting tube (103), a photoelectric control board (104), a receiving tube (105) and a photoelectric detector (107), said laser emitting tube (106) is mounted in said emitting tube (103) and electrically connected with said photoelectric control board (104), said photoelectric detector (107) is mounted in said receiving tube (105) and electrically connected with said photoelectric control board (104), said wireless power supply secondary coil (3) is electrically connected with said photoelectric control board (104), said emitting optical lens (101) and receiving optical lens (102) are fixed on said emitting tube (103) and receiving tube (105) respectively by gluing process, said photoelectric control board (104), said emitting tube (103) and said receiving tube (105) are all fixed on top of said rotating member (2) by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222099979.5U CN218240410U (en) | 2022-08-10 | 2022-08-10 | Electromagnetic induction structure and have its range unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222099979.5U CN218240410U (en) | 2022-08-10 | 2022-08-10 | Electromagnetic induction structure and have its range unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218240410U true CN218240410U (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222099979.5U Active CN218240410U (en) | 2022-08-10 | 2022-08-10 | Electromagnetic induction structure and have its range unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218240410U (en) |
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2022
- 2022-08-10 CN CN202222099979.5U patent/CN218240410U/en active Active
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