High-speed rotor temperature measuring device based on laser transmission signal

Abstract

The utility model provides a high-speed rotor temperature measuring device based on laser transmission signals, which comprises a rotor module with a laser transmitting structure and a stator module with a receiving structure, and adopts laser as a signal carrier, and compared with a traditional conductive slip ring with a ring brush structure and radio frequency coupling with a non-contact structure, the temperature measuring device has the advantages that the temperature measuring efficiency is improved; according to the utility model, the service life is longer, the maintenance is more convenient, the anti-interference capability is stronger, and the stator and rotor signal transmission of the two structures is non-contact, so that the structure is simpler, and the installation and the disassembly are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed rotor temperature measurement, in particular to a high-speed rotor temperature measurement device based on laser transmission signal. Background Technique

[0002] High-speed rotating machinery such as generators, motors, etc. are widely used in fields such as aviation, aerospace, industrial manufacturing, etc. During use, parameters such as dynamic torque, dynamic stress, surface temperature, etc. usually need to be monitored, and the monitored signals are transmitted to a data acquisition system.

[0003] The existing signal transmission devices include using a conductive slip ring as a data transmission device. The conductive slip ring can lead out the tested rotor signal to an external acquisition and analysis device. Since the transmitted is an analog signal, problems such as signal attenuation or interference with the tested signal caused by other reasons will be faced during the transmission process, and phenomena such as reduced test accuracy and signal distortion are likely to occur. The conductive slip ring with brushes will generate problems such as frictional heat generation, brush head deformation, wear of the slip ring and carbon brush materials during use. In addition, the ring brush contact type conductive slip ring also has problems such as short service life, complex structure and difficult maintenance.

[0004] Another signal transmission device is to adopt a non-contact radio frequency coupling method, but this signal transmission method has the problem of weak anti-interference ability. Content of the Utility Model

[0005] In order to solve the above problems, the purpose of the utility model is to provide a high-speed rotor temperature measurement device based on laser transmission signal. Among them, laser is used as a signal carrier, which has the characteristics of long service life, convenient maintenance and strong anti-interference ability.

[0006] According to one aspect of the utility model, a high-speed rotor temperature measurement device based on laser transmission signal is provided. The device includes: a shock absorption end and a first whole machine outer cover assembled together. The shock absorption end and the first whole machine outer cover form an installation cavity, and a first rotor module and a first stator module are installed in the installation cavity; the first rotor module and the first stator module are arranged non-contact and concentrically, and the first stator module is arranged close to the first whole machine outer cover, and the first rotor module is arranged close to the shock absorption end;

[0007] The first rotor module includes a first rotor acquisition and processing circuit board, a rotor data processing circuit board, a first rotor laser emission and wireless power supply receiving circuit board, and a first rotor winding tooling arranged in sequence. The first rotor laser emission and wireless power supply receiving circuit board and the first rotor winding tooling are welded with enameled wires, and solid glue is sealed between the circuit boards;

[0008] The first stator module includes a first stator winding tooling, a first stator laser receiving and wireless power transmitting circuit board, and a first stator signal processing circuit board, which are arranged in sequence. The first stator winding tooling and the first stator laser receiving and wireless power transmitting circuit board are welded with enameled wires, and solid glue is sealed between the circuit boards.

[0009] Optionally, the first rotor module further includes a first rotor outer cover, which is arranged outside the first rotor winding tooling, the first rotor laser emitting and wireless power receiving circuit board, the rotor data processing circuit board, and the first rotor acquisition and processing circuit board;

[0010] The device further includes a first quartz shim and a rotor coil gland.

[0011] Optionally, the first stator module further includes a first stator outer cover, which covers the first stator winding tooling, the first stator laser receiving and wireless power transmitting circuit board, and the first stator signal processing circuit board.

[0012] Optionally, the device further includes a rectangular connector and a rectangular connector mounting seat (the function of this part is to fix the rectangular connector to the first whole machine outer cover). The rectangular connector mounting seat is fixed at one end of the first whole machine outer cover away from the shock-absorbing end, the rectangular connector is mounted on the rectangular connector mounting seat, and the stator outgoing line is welded to the rectangular connector.

[0013] According to another aspect of the present invention, a high-speed rotor temperature measuring device based on laser transmission signals is provided. The device includes a second rotor module, a second stator module, and a second stator outer cover and an outer cover cover plate arranged outside the second rotor module and the second stator module;

[0014] The second rotor module includes a second rotor acquisition and processing circuit board, a second rotor laser emitting and wireless power receiving circuit board, and a second rotor winding tooling, which are arranged in sequence. The second rotor laser emitting and wireless power receiving circuit board and the second rotor winding tooling are welded with enameled wires, and solid glue is sealed between the circuit boards;

[0015] The second stator module includes a second stator winding tooling, a second stator laser receiving and wireless power transmitting circuit board, and a second stator signal processing circuit board, which are arranged in sequence. The second stator winding tooling and the second stator laser receiving and wireless power transmitting circuit board are welded with enameled wires, and solid glue is sealed between the circuit boards.

[0016] Optionally, the second rotor module further includes a second rotor outer cover arranged outside the second rotor acquisition and processing circuit board, the second rotor laser emitting and wireless power receiving circuit board, and the second rotor winding tooling.

[0017] Optionally, the device further includes a rotor shaft and a rotor with a turntable. The second rotor module is installed on the rotor shaft through the rotor with the turntable; a quartz lens is installed on the rotor shaft, limited by the rotor winding module, and fixed with a snap ring.

[0018] Optionally, the second stator module further includes a second stator outer cover arranged outside the second stator winding tooling, the second stator laser receiving and wireless power transmission circuit board, and the second stator signal processing circuit board;

[0019] The device further includes a stator bracket and a stator flange fixedly arranged with the stator bracket. The second stator module is installed inside the stator bracket. A quartz baffle is installed on the shaft of the stator flange, limited by the stator winding module, and fixed with a snap ring.

[0020] The utility model provides a high-speed rotor temperature measuring device based on laser transmission signals. Using laser as the signal carrier, compared with the traditional slip ring with a brush ring structure and the radio frequency coupling with a non-contact structure, it has a longer service life, more convenient maintenance, and stronger anti-interference ability. Moreover, the signal transmission between the stator and rotor of the two structures of the utility model is non-contact, the structure is simpler, and it is convenient for installation and disassembly. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of a high-speed rotor temperature measuring device based on laser transmission signals according to an embodiment of the utility model;

[0022] Figure 2 is Figure 1 partial structural schematic diagram of the shock-absorbing end and the first rotor module of the high-speed rotor temperature measuring device based on laser transmission signals shown;

[0023] Figure 3 is Figure 1 schematic structural diagram of the first rotor module of the high-speed rotor temperature measuring device based on laser transmission signals shown;

[0024] Figure 4 is Figure 1 schematic structural diagram of the first whole machine outer cover and the first stator module of the high-speed rotor temperature measuring device based on laser transmission signals shown;

[0025] Figure 5 is Figure 1 schematic structural diagram of the first stator module of the high-speed rotor temperature measuring device based on laser transmission signals shown;

[0026] Figure 6 is a schematic structural diagram of a high-speed rotor temperature measuring device based on laser transmission signals according to another embodiment of the utility model;

[0027] Figure 7 isFigure 6 Schematic diagram of the rotor end part structure of the high-speed rotor temperature measurement device based on laser transmission signal shown;

[0028] Figure 8 is Figure 6 Schematic diagram of the structure of the second rotor module of the high-speed rotor temperature measurement device based on laser transmission signal shown;

[0029] Figure 9 is Figure 6 Partial schematic diagram of the structure of the second whole machine outer cover and the second stator module of the high-speed rotor temperature measurement device based on laser transmission signal shown;

[0030] Figure 10 is Figure 6 Schematic diagram of the structure of the second stator module of the high-speed rotor temperature measurement device based on laser transmission signal shown;

[0031] Among them, 1 - damping end; 2 - hexagonal coupling; 3 - first rotor outer cover; 4 - first rotor wire bonding circuit board; 5 - first rotor acquisition and processing circuit board; 6 - rotor data processing circuit board; 7 - first rotor laser emission and wireless power supply receiving circuit board; 8 - first rotor winding tooling; 9 - first whole machine outer cover, 10 - first quartz baffle; 11 - rotor coil gland; 12 - first flexible flat cable; 13 - first copper stud; 14 - gold needle; 15 - first stator winding tooling; 16 - first stator laser receiving and wireless power supply transmitting circuit board; 17 - first stator signal processing circuit board; 18 - first stator outer cover; 19 - rectangular connector; 20 - rectangular connector mounting seat;

[0032] 22 - second rotor wire bonding circuit board; 23 - rotor shaft; 24 - rotor with turntable; 25 - second rotor acquisition and processing circuit board; 26 - second rotor laser emission and wireless power supply receiving circuit board; 27 - second copper stud; 28 - second flexible flat cable; 29 second rotor winding tooling; 30 - second quartz baffle; 31 - snap ring; 32 - second stator winding tooling; 33 - second stator laser receiving and wireless power supply transmitting circuit board; 34 - stator support; 35 - stator flange; 36 - second whole machine outer cover; 37 - outer cover cover plate; 38 - second rotor outer cover; 39 - second stator outer cover; 40 - second stator signal processing circuit board. Specific embodiments

[0033] The embodiments of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the present invention and are not restrictive.

[0034] Figure 1It is a schematic structural diagram of an embodiment of a high-speed rotor temperature measurement device based on laser transmission signals of the present utility model. This embodiment adopts a non-hollow stator-rotor non-contact structural design. Figure 2 is Figure 1 a schematic structural diagram of the shock-absorbing end of the high-speed rotor temperature measurement device based on laser transmission signals shown in the figure; Figure 3 is Figure 1 a schematic structural diagram of the first rotor module of the high-speed rotor temperature measurement device based on laser transmission signals shown in the figure; Figure 4 is Figure 1 a schematic structural diagram of the first overall machine outer cover of the high-speed rotor temperature measurement device based on laser transmission signals shown in the figure; Figure 5 is Figure 1 a schematic structural diagram of the first stator module of the high-speed rotor temperature measurement device based on laser transmission signals shown in the figure.

[0035] As Figures 1 - 5 shown in the figure, for the high-speed rotor temperature measurement device based on laser transmission signals in the embodiment of the present utility model, the device includes: a shock-absorbing end 1 and a first overall machine outer cover 9 assembled together, the shock-absorbing end 1 and the first overall machine outer cover 9 form an installation cavity, and a first rotor module and a first stator module are installed in the installation cavity; the first rotor module and the first stator module are non-contact and concentrically arranged, and the first stator module is arranged close to the first overall machine outer cover 9, and the first rotor module is arranged close to the shock-absorbing end 1;

[0036] The first rotor module includes a first rotor acquisition and processing circuit board 5, a rotor data processing circuit board 6, a first rotor laser emission and wireless power supply receiving circuit board 7, and a first rotor winding tooling 8 arranged in sequence. The first rotor laser emission and wireless power supply receiving circuit board 7 and the first rotor winding tooling 8 are welded with enameled wires, and solid glue is sealed between the circuit boards.

[0037] The first rotor module further includes a first rotor outer cover 3, and the first rotor outer cover 3 is arranged outside the first rotor winding tooling 8, the first rotor laser emission and wireless power supply receiving circuit board 7, the rotor data processing circuit board 6, and the first rotor acquisition and processing circuit board 5; the device further includes a first quartz baffle 10 and a rotor coil gland 11.

[0038] The first stator module includes a first stator winding tooling 15, a first stator laser receiving and wireless power supply transmitting circuit board 16, and a first stator signal processing circuit board 17 arranged in sequence, and the circuit boards are welded with flexible flat cables. Refer to Figure 1 , the first stator module further includes a first stator outer cover 18, and the first stator outer cover 18 is arranged outside the first stator winding tooling 15, the first stator laser receiving and wireless power supply transmitting circuit board 16, and the first stator signal processing circuit board 17.

[0039] Optionally, the device further includes a rectangular connector 19 and a rectangular connector mount 20. The rectangular connector mount 20 is fixed to one end of the first whole machine outer cover 9 away from the shock absorption end 1, and the rectangular connector 19 is mounted on the rectangular connector mount 20. The stator lead-out wire is welded to the rectangular connector.

[0040] The method for manufacturing the high-speed rotor temperature measurement device based on laser transmission signals in the above embodiments may include the following steps:

[0041] S1. Assemble the first rotor module: Fix the first rotor acquisition and processing circuit board 5, the rotor data processing circuit board 6, the first rotor laser emission and wireless power supply receiving circuit board 7, and the first rotor winding tooling 8 in sequence using copper studs and ensure concentricity. Solder flexible flat cables between the circuit boards, seal solid glue between the circuit boards, install the first rotor outer cover 3, and press the quartz shim 10 with the fixed rotor coil gland 11 to obtain the first rotor module.

[0042] S2. Assemble the overall structure of the first rotor: Install the first rotor wire welding circuit board 4 to the shock absorption end 1; After the first rotor module is plugged with the gold-plated pins 14, it is plugged and installed to the first rotor wire welding circuit board 4 at the first shock absorption end 1 and fastened to obtain the overall structure of the first rotor.

[0043] S3. Assemble the first stator module: Fix the first stator winding tooling 15, the first stator laser receiving and wireless power supply transmitting circuit board 16, and the first stator signal processing circuit board 17 in sequence using the first copper studs 13 and ensure concentricity. Solder the first flexible flat cables 12 between the circuit boards, seal solid glue between the circuit boards; Install the first stator outer cover 18 to obtain the first stator module.

[0044] S4. Assemble the overall structure of the first stator: Install the first stator module to the whole machine outer cover 21, install the rectangular connector mount 19 to the first whole machine outer cover 9, weld the stator lead-out wire to the rectangular connector 19, and then install the rectangular connector 19 to the rectangular connector mount 20. Thus, the overall structure of the first stator is assembled.

[0045] S5. Install the overall structure of the first stator and the overall structure of the first rotor into a whole machine.

[0046] Figure 1 The signal transmission method of the high-speed rotor temperature measurement device based on laser transmission signals in the illustrated embodiments is as follows:

[0047] S1. When it is necessary to monitor the signals of high-speed rotating machinery, weld the measurement signal wire to the first rotor wire welding circuit board 4, install it to the first rotor module and fasten it.

[0048] S2. Power the whole machine through the rectangular connector 19 and collect measurement data;

[0049] S3. After the whole machine is powered on, the first stator laser receiving and wireless power transmitting circuit board 16 is activated and powers the first rotor laser transmitting and wireless power receiving circuit board 7 through electromagnetic coupling;

[0050] S4. After the first rotor acquisition and processing circuit board 5 collects the measurement signal, it transmits it to the rotor data processing circuit board 6, and the rotor signal data processing circuit board then drives the first rotor laser transmitting and wireless power receiving circuit board 7 to emit laser;

[0051] S5. After the first stator laser receiving and wireless power transmitting circuit board receives the laser signal, it sends it to the first stator signal processing circuit board 17;

[0052] S6. After processing the signal, it is sent to the rectangular connector 19 through the lead wire. Thus, the overall acquisition process is completed.

[0053] In practical applications, the measurement signal can be the dynamic torque signal, dynamic stress signal or surface temperature signal of a high-speed rotating machine, and this embodiment does not limit this.

[0054] As Figure 6 shown, the embodiment of the present invention also provides another high-speed rotor temperature measuring device with a hollow design based on laser transmission signals. Among them, Figure 7 is Figure 6 the structural schematic diagram of the right end part of the high-speed rotor temperature measuring device based on laser transmission signals shown; Figure 8 is Figure 6 the structural schematic diagram of the second rotor module of the high-speed rotor temperature measuring device based on laser transmission signals shown; Figure 9 is Figure 6 the structural schematic diagram of the second whole machine outer cover of the high-speed rotor temperature measuring device based on laser transmission signals shown; Figure 10 is Figure 6 the structural schematic diagram of the second stator module of the high-speed rotor temperature measuring device based on laser transmission signals shown.

[0055] The high-speed rotor temperature measuring device based on laser transmission signals in this embodiment includes a second rotor module, a second stator module, and a second stator outer cover 39 and an outer cover cover plate 37 arranged outside the second rotor module and the second stator module;

[0056] The second rotor module includes a second rotor acquisition and processing circuit board 25, a second rotor laser emission and wireless power reception circuit board 26, and a second rotor winding tooling 29 arranged in sequence. The second rotor laser emission and wireless power reception circuit board 26 and the second rotor winding tooling 29 are welded using enameled wires. Optionally, the device further includes a rotor shaft 23 and a rotor with a turntable 24, and the rotor with a turntable 24 is used to install the second rotor module; the second rotor module and the second rotor welding circuit board 22 are installed on the rotor shaft 23. Optionally, the second rotor module further includes a second rotor outer cover 38 provided outside the second rotor acquisition and processing circuit board 25, the second rotor laser emission and wireless power reception circuit board 26, and the second rotor winding tooling 29.

[0057] The second stator module includes a second stator winding tooling 32, a second stator laser reception and wireless power emission circuit board 33, and a second stator signal processing circuit board 40 arranged in sequence. The second stator winding tooling 32 and the second stator laser reception and wireless power emission circuit board 33 are welded using enameled wires, and solid glue is sealed between the circuit boards.

[0058] Optionally, the second stator module further includes a second stator outer cover 39 provided outside the second stator winding tooling 32, the second stator laser reception and wireless power emission circuit board 33, and the second stator signal processing circuit board 40; the second stator module further includes a stator support 34 and a stator flange 35 fixedly arranged with the stator support 34. The second rotor module is installed on the rotor shaft 23 through the rotor with a turntable 24; the second quartz spacer 30 is installed on the rotor shaft 23, limited by the rotor winding module, and fixed with a snap ring.

[0059] An embodiment of the present invention further provides a manufacturing method of a high-speed rotor temperature measurement device based on laser transmission signals as described above, and the method includes:

[0060] S1. Assemble the second rotor module; fix the second rotor acquisition and processing circuit board 25, the second rotor laser emission and wireless power reception circuit board 26, and the second rotor winding tooling 29 in sequence using second copper studs 27 and ensure concentricity, weld between the circuit boards using a second flexible flat cable 28, and seal solid glue between the circuit boards; install the second rotor outer cover 38 to obtain the second rotor module;

[0061] S2. Assemble the overall structure of the second rotor; install the second rotor module on the rotor with a turntable 24, pass the rotor lead through the rotor shaft 23, weld it to the second rotor wire welding circuit board 22, install the second rotor module and the second rotor welding circuit board 22 on the rotor shaft 23, install the second quartz spacer 30 on the second rotor winding tooling 29, and fix it with a snap ring 31 to obtain the overall structure of the second rotor;

[0062] S3. Assemble the second stator module: The second stator laser receiving and wireless power transmitting circuit board 33, the second stator signal processing circuit board 40, and the second stator winding tooling 32 are fixed in sequence using the copper studs and ensured to be concentric. Flexible flat cables are used for soldering between the circuit boards, and solid glue is used for sealing between the circuit boards. Install the second stator outer cover 39 to obtain the second stator module;

[0063] S4. Assemble the overall structure of the second stator: Install the second stator module onto the stator support 34, lead out the stator leads, and then install the stator flange 35 to obtain the overall structure of the second stator;

[0064] S5. Install the overall structure of the second rotor and the overall structure of the second stator, and then install the second whole machine outer cover 36 and the outer cover cover plate 37 to form the whole machine.

[0065] In practical applications, the measurement signal can be the dynamic torque signal, dynamic stress signal, or surface temperature signal of a high-speed rotating machine, and this embodiment does not limit this.

[0066] In this embodiment, the structure without installing bearings is of a hollow design. In practical applications, installing bearings can also be an alternative solution for a hollow structure. In addition, the wireless power supply coil adopted in this embodiment is installed at the front end of the stator and the rotor. However, the coil can also be not installed at the front end of the stator and rotor, for example, installed on the side of the laser emitter or laser receiver. Therefore, the installation method of the wireless power supply coil can also be regarded as an alternative solution.

[0067] Figure 6 The signal transmission method of the high-speed rotor temperature measurement device based on laser transmission signals in the shown embodiment is as follows:

[0068] S1. Connect the measurement signal wire to the second rotor wire soldering circuit board 22, power on the whole machine, the second stator laser receiving and wireless power transmitting circuit board 33 is started, and powers the second rotor acquisition and processing circuit board 25 through electromagnetic coupling;

[0069] S2. After the second rotor acquisition and processing circuit board 25 acquires the measurement signal, it transmits it to the rotor signal processing circuit board, and the rotor signal processing circuit board then drives the second rotor laser emitting and wireless power receiving circuit board 26 to emit laser;

[0070] S3. After the second stator laser receiving and wireless power transmitting circuit board 33 receives the laser signal, it sends it to the second stator signal processing circuit board 40;

[0071] S4. After processing the signal, it is sent to the receiver through the lead wire. Thus, the overall acquisition process is completed.

[0072] In practical applications, the measurement signal can be the dynamic torque signal, dynamic stress signal, or surface temperature signal of a high-speed rotating machine.

[0073] In the device provided by the embodiment of the present utility model, with laser as the signal carrier, compared with the traditional slip ring with a ring brush structure and the radio frequency coupling with a non-contact structure, it has a longer service life, more convenient maintenance, stronger anti-interference ability, and the two structures of the present utility model do not require bearings. Therefore, the structure is simpler and it is convenient for installation and disassembly. When a temperature signal is applied to the measured high-speed rotor, the temperature signal will be processed at the rotor end of the present utility model. After processing, it is sent to the stator through laser emission. After being received by the laser receiver of the stator, it is sent to the circuit board of the stator for processing and then transmitted to the stator lead, thereby realizing the temperature acquisition of the high-speed rotor.

[0074] The above is only the preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. All technical solutions within the idea of the present utility model belong to the protection scope of the present utility model. It should be pointed out that for those of ordinary skill in the art in this technical field, several improvements and refinements made without departing from the principle of the present utility model should also be regarded as the protection scope of the present utility model.

Claims

1. A high-speed rotor temperature measurement device based on laser transmission signal, characterized in that: The device comprises: a damping end (1) and a first whole machine cover (9) assembled together, the damping end (1) and the first whole machine cover (9) forming a mounting cavity, a first rotor module and a first stator module being mounted in the mounting cavity; the first rotor module and the first stator module are arranged non-contactingly and concentrically, the first stator module is arranged close to the first whole machine cover (9), and the first rotor module is arranged close to the damping end (1); The first rotor module comprises a first rotor data collection and processing circuit board (5), a rotor data processing circuit board (6), a first rotor laser emission and wireless power receiving circuit board (7) and a first rotor winding tool (8) which are arranged in sequence; the first rotor laser emission and wireless power receiving circuit board (7) and the first rotor winding tool (8) are welded using enameled wire, and solid glue is sealed between the circuit boards; The first stator module comprises a first stator winding tool (15), a first stator laser receiving and wireless power transmitting circuit board (16), and a first stator signal processing circuit board (17) which are arranged in sequence; the first stator winding tool (15) and the first stator laser receiving and wireless power transmitting circuit board (16) are welded using enameled wire, and the circuit boards are sealed with glue.

2. The device according to claim 1, characterized in that The first rotor module further comprises a first rotor outer cover (3), the first rotor outer cover (3) being arranged outside the first rotor winding tooling (8), the first rotor laser emission and wireless power receiving circuit board (7), the rotor data processing circuit board (6) and the first rotor acquisition processing circuit board (5); The device also includes a first quartz baffle (10) and a rotor coil pressure cover (11).

3. The device according to claim 2, characterized in that The first stator module further comprises a first stator outer cover (18), the first stator outer cover (18) being arranged outside the first stator winding tooling (15), the first stator laser receiving and wireless power transmitting circuit board (16), and the first stator signal processing circuit board (17).

4. The device according to claim 3, characterized in that The device further comprises a rectangular connector (19) and a rectangular connector mounting seat (20); the rectangular connector mounting seat (20) is fixed to an end of the first whole machine outer cover (9) away from the shock absorbing end (1); the rectangular connector (19) is mounted on the rectangular connector mounting seat (20); and the stator outlet wire is welded to the rectangular connector (19).

5. A high-speed rotor temperature measurement device based on laser transmission signal, characterized in that: The device comprises a second rotor module, a second stator module and an outer cover plate (37) arranged outside the second rotor module and the second stator module; The second rotor module comprises a second rotor acquisition processing circuit board (25), a second rotor laser emission and wireless power receiving circuit board (26), and a second rotor winding tool (29) which are arranged in sequence; the second rotor laser emission and wireless power receiving circuit board (26) and the second rotor winding tool (29) are welded using enameled wire, and solid glue is sealed between the circuit boards; The second stator module comprises a second stator winding tool (32), a second stator laser receiving and wireless power transmitting circuit board (33), and a second stator signal processing circuit board (40) which are arranged in sequence; the second stator winding tool (32) and the second stator laser receiving and wireless power transmitting circuit board (33) are welded using enameled wire, and the circuit boards are sealed with glue.

6. The device according to claim 5, characterized in that The second rotor module further comprises a second rotor outer cover (38) arranged outside the second rotor acquisition processing circuit board (25), the second rotor laser emission and wireless power receiving circuit board (26), and the second rotor winding tooling (29).

7. The device according to claim 6, characterized in that The device further comprises a rotor shaft (23) and a rotor turntable (24), wherein the rotor turntable (24) is used to mount a second rotor module; the second rotor module and the second rotor welding circuit board (22) are mounted on the rotor shaft (23).

8. The device according to claim 5, characterized in that The second stator module further comprises a second stator outer cover (39) arranged outside the second stator winding tooling (32), the second stator laser receiving and wireless power transmission circuit board (33), and the second stator signal processing circuit board (40); The device also includes a stator bracket (34) and a stator flange (35) fixedly arranged on the stator bracket (34).

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