CN211013059U - Magnetic transmission generator performance test experiment table - Google Patents

Magnetic transmission generator performance test experiment table Download PDF

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Publication number
CN211013059U
CN211013059U CN201921968066.4U CN201921968066U CN211013059U CN 211013059 U CN211013059 U CN 211013059U CN 201921968066 U CN201921968066 U CN 201921968066U CN 211013059 U CN211013059 U CN 211013059U
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magnetic
magnetic rotor
torque
rotor
speed sensor
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CN201921968066.4U
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Chinese (zh)
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邵军
彭勇
闫文辉
吴恒
董旭明
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Xian Shiyou University
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Xian Shiyou University
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Abstract

A performance test experiment table for a magnetic transmission generator is characterized in that a movable base is mounted on a T-shaped guide rail of a fixed base, a limiting block is arranged at the limit position of the right end of the movable base, a motor and a rotating speed and torque sensor a are fixed on the movable base, one end of the motor is connected with an encoder a for measuring an input rotation angle, the other end of the motor is connected with the torque and rotating speed sensor a through a coupler a, the torque and rotating speed sensor a is connected with an outer magnetic rotor support through a coupler b, and an outer magnetic rotor is glued on the outer magnetic rotor; the experiment table can test the static characteristic of the magnetic transmission device and the eddy current loss of the magnetic transmission device; when there is or has not the spacer sleeve between the internal and external magnetic rotors, test the temperature and magnetic field situation between the internal and external magnetic rotors; test generator's output and the test work of magnetic drive generator performance such as, the utility model discloses can be used to magnetic drive generator's capability test, the test parameter is comprehensive, accurate.

Description

Magnetic transmission generator performance test experiment table
Technical Field
The utility model belongs to the technical field of the generator capability test, concretely relates to magnetic drive generator capability test laboratory bench.
Background
Magnetic transmission is a technology for realizing contactless transmission of force or torque (power) by applying the magnetic force generated by permanent magnet materials or electromagnets. Because the magnetic transmission utilizes the magnetic field to transmit the torque through the magnetic circuit working gap or the thin wall of the isolation sleeve, when the torque is transmitted, the power input shaft (output shaft) contacted with the liquid or gas medium can not be communicated with the output shaft (input shaft), thereby fundamentally eliminating the leakage at the rotary sealing position and really realizing zero leakage-absolute sealing.
The magnetic transmission technology is applied to the generator, so that the mechanical transmission part and the circuit part are absolutely separated, zero leakage of the generator is realized, and the circuit part is protected. The magnetic transmission generator can be applied to special fields with strict requirements on isolation and sealing, such as vacuum, chemical engineering, nuclear power and the like.
The performance of the magnetically driven generator includes the performance of the magnetically driven portion and the performance of the generator. For testing the performance of the device, at present, no corresponding performance testing experiment table exists.
Disclosure of Invention
In order to overcome the defect of above-mentioned prior art, the utility model aims to provide a magnetic drive generator capability test laboratory bench for test magnetic drive generator's performance, including torque characteristic, load characteristic, eddy current loss and its dynamic characteristic and electrical property, the utility model discloses fill the blank in the aspect of internal magnetic drive generator capability test, solved the technological problem in the aspect of magnetic drive generator capability test.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a performance test experiment table for a magnetic transmission generator comprises a movable base 20, wherein the movable base 20 is installed on a fixed base 21T-shaped guide rail, a limit block 16 is arranged at the limit position of the right end of the movable base 20, a motor 2 and a rotating speed and torque sensor a4 are fixed on the movable base 20, one end of the motor 2 is connected with an encoder a1 for measuring an input rotating angle, the other end of the motor 2 is connected with a torque and rotating speed sensor a4 through a coupler a3, the torque and rotating speed sensor a4 is connected with an external magnetic rotor support 5 through a coupler b19, and an external magnetic rotor 18 is glued on the external magnetic rotor support 5.
An isolation sleeve 8 is supported on the fixed base 21, a stator coil 6 is supported in the isolation sleeve 8, and the stator coil 6, the outer magnetic rotor 18 and the inner magnetic rotor 7 are coaxially arranged; the inner magnetic rotor 7 is glued on an inner magnetic rotor bracket 9, the inner magnetic rotor bracket 9 is supported on an isolation sleeve 8 through a bearing 15, the inner magnetic rotor bracket 9 is connected with a torque and rotating speed sensor b11 through a coupler c10, and the rotating speed and rotating speed sensor b11 is fixed on a fixed base 21; the torque and speed sensor b11 is connected with a load 13 through a coupling d12, the other end of the load 13 is connected with an encoder b14, and the load 13 is fixed on the fixed base 21.
A temperature sensor 23 is arranged between the inner magnetic rotor 7 and the outer magnetic rotor 18.
A magnetic field sensor 22 is arranged between the inner magnetic rotor 7 and the outer magnetic rotor 18.
The isolating sleeve 8 is made of metal materials, not only supports the inner magnetic rotor bracket 9 and the stator coil 6, but also can absolutely seal the inner magnetic rotor 7 under certain pressure.
The load 13 is a magnetic particle brake providing a torque load of a determined value, or a fully braked mechanical device.
The utility model has the advantages that:
1. the output current is led out through the stator coil 6 and is directly connected with the load, so that equipment such as a slip ring and an electric brush is avoided, the output power of the generator under different rotating speeds and different loads can be measured, and the performance index of the generator is obtained; meanwhile, the electric energy can be directly consumed on the load, the electric energy does not need to be fed back to the power grid, and the testing device is simplified.
2. The experiment table can test the static characteristic of the magnetic transmission device and the eddy current loss of the magnetic transmission device; when there is or has not the spacer sleeve between the internal and external magnetic rotors, test the temperature and magnetic field situation between the internal and external magnetic rotors; testing the performance of the magnetic transmission generator such as the output power of the generator; the utility model discloses can be used to the capability test of magnetic drive generator, the test parameter is comprehensive, accurate.
Drawings
FIG. 1 is a schematic diagram of a magnetic drive generator performance test bench.
Fig. 2 is a layout diagram of the magnetic field sensor 22 and the temperature sensor 23.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the experiment table for testing the performance of the magnetic transmission generator comprises a movable base 20, wherein the movable base 20 is installed on a T-shaped guide rail of a fixed base 21 and can move along the T-shaped guide rail of the fixed base 21; a limiting block 16 is arranged at the right extreme position of the moving base 20, and the motor 2 and the rotating speed torque sensor a4 are fixed on the moving base 20 and move along with the moving base 20; one end of the motor 2 is connected with an encoder a1 for measuring an input rotation angle, the other end of the motor 2 is connected with a torque and rotation speed sensor a4 through a coupling a3, the torque and rotation speed sensor a4 is used for measuring input torque, the torque and rotation speed sensor a4 is connected with the outer magnetic rotor bracket 5 through a coupling b19, the outer magnetic rotor 18 is glued on the outer magnetic rotor bracket 5, and power of the motor 2 is transmitted to the outer magnetic rotor 18 to enable the outer magnetic rotor 18 to rotate at the rotation speed of the motor 2.
An isolation sleeve 8 is supported on the fixed base 21, a stator coil 6 is supported in the isolation sleeve 8, and the stator coil 6, the outer magnetic rotor 18 and the inner magnetic rotor 7 are coaxially arranged; the inner magnetic rotor 7 is glued on an inner magnetic rotor bracket 9, the inner magnetic rotor bracket 9 is supported on an isolation sleeve 8 through a bearing 15, the inner magnetic rotor bracket 9 is connected with a torque and rotating speed sensor b11 through a coupler c10, and the rotating speed and rotating speed sensor b11 is fixed on a fixed base 21; the torque and speed sensor b11 is connected with a load 13 through a coupling d12, the other end of the load 13 is connected with an encoder b14 to measure an output rotation angle, and the load 13 is fixed on the fixed base 21.
Referring to fig. 2, a temperature sensor 23 is arranged between the inner magnetic rotor 7 and the outer magnetic rotor 18, the temperature sensor 23 is fixed through a sensor bracket 17, and the temperature change between the inner magnetic rotor 7 and the outer magnetic rotor 18 is tested by using the temperature sensor 23, so that the estimation of the eddy current loss of the magnetic transmission generator and the monitoring of the working temperature of the magnetic rotor are realized.
Referring to fig. 2, a magnetic field sensor 22 is arranged between the inner magnetic rotor 7 and the outer magnetic rotor 18, the magnetic field sensor 22 is also fixed through the sensor bracket 17, and the magnetic field distribution between the inner magnetic rotor 7 and the outer magnetic rotor 18 is tested so as to grasp the transmission condition of the magnetic torque.
The isolation sleeve 8 can be made of metal materials or non-metal materials. When the spacer sleeve 8 is made of metal, the spacer sleeve not only supports the inner magnetic rotor bracket 9 and the stator coil 6, but also absolutely seals the inner magnetic rotor 7 under a certain pressure. When the spacer sleeve 8 is a non-metallic material, it only serves to support the inner magnetic rotor support 9 and the stator coil 6.
The load 13 is a magnetic particle brake providing a torque load of a determined value, or a fully braked mechanical device.
The utility model discloses a theory of operation does:
(1) testing static characteristics of magnetic drive
The motor 2 drives the outer magnetic rotor 18 to rotate, the input torque is measured by a torque and rotation speed sensor a4, and the input rotation angle is measured by an encoder a 1. By means of magnetic transmission, the outer magnetic rotor 18 drives the inner magnetic rotor 7 to rotate, the torque and rotating speed sensor b11 is used for measuring output torque, the encoder b14 is used for measuring an output rotating angle, and therefore the static characteristic of the magnetic transmission device is obtained. And measuring the magnetic torque and the rotation angle between the inner magnetic rotor and the outer magnetic rotor to obtain the relation between the rotation angle and the magnetic torque.
(2) Testing eddy current loss in magnetic drives
The metal isolation sleeve and the nonmetal isolation sleeve are sequentially arranged between the inner magnetic rotor and the outer magnetic rotor, the input rotating speed of the variable frequency motor 2 is changed, the input torque and the input power are measured by using the torque rotating speed sensor a4, the output torque, the output rotating speed and the output power are measured by using the torque rotating speed sensor b11, and the eddy current loss of the metal isolation sleeve is obtained by comparing the output powers under the two isolation sleeves.
(3) Test temperature
The metal isolation sleeve and the non-metal isolation sleeve are sequentially arranged between the inner magnetic rotor and the outer magnetic rotor, the temperature sensor 23 between the outer magnetic rotor 18 and the isolation sleeve 8 is utilized to measure the temperature between the inner magnetic rotor 7 and the outer magnetic rotor 18, and the change relation of the temperature along with time at different rotating speeds is obtained.
(4) Testing magnetic field
And a metal isolation sleeve and a non-metal isolation sleeve are sequentially arranged between the inner magnetic rotor and the outer magnetic rotor, and a magnetic field sensor 22 between the outer magnetic rotor 18 and the isolation sleeve 8 is utilized to measure the magnetic field between the inner magnetic rotor 7 and the outer magnetic rotor 18, so that the spatial distribution rule of the magnetic field is obtained.
(5) Testing output power of a generator
And a lead is led out from the stator coil 6 and is externally connected with a resistance load, a current meter and a voltmeter. And changing the input rotating speed of the variable frequency motor 2, and measuring the output power of the generator at different input rotating speeds.

Claims (6)

1. Magnetic drive generator capability test laboratory bench, a serial communication port, including moving base (20), moving base (20) are installed on unable adjustment base (21) T type guide rail, right-hand member extreme position at moving base (20) arranges stopper (16), be fixed with motor (2) and torque speed sensor a (4) on moving base (20), motor (2) one end is connected with encoder a (1) of measuring the input corner, the motor (2) other end is connected with torque speed sensor a (4) through shaft coupling a (3), torque speed sensor a (4) are connected outer magnet rotor holder (5) through shaft coupling b (19), outer magnet rotor holder (18) have been glued to outer magnet rotor holder (5) rubberizing.
2. The magnetic drive generator performance test experiment table according to the claim 1 is characterized in that an isolation sleeve (8) is supported on a fixed base (21), a stator coil (6) is supported inside the isolation sleeve (8), and the stator coil (6) is coaxially arranged with an outer magnetic rotor (18) and an inner magnetic rotor (7); the inner magnetic rotor (7) is glued on an inner magnetic rotor support (9), the inner magnetic rotor support (9) is supported on an isolation sleeve (8) through a bearing (15), the inner magnetic rotor support (9) is connected with a torque and rotation speed sensor b (11) through a coupler c (10), and the torque and rotation speed sensor b (11) is fixed on a fixed base (21); the torque and rotation speed sensor b (11) is connected with a load (13) through a coupler d (12), the other end of the load (13) is connected with an encoder b (14), and the load (13) is fixed on a fixed base (21).
3. The magnetic drive generator performance test bench of claim 2, characterized in that a temperature sensor (23) is arranged between the inner magnetic rotor (7) and the outer magnetic rotor (18).
4. The magnetic drive generator performance test bench of claim 2, characterized in that a magnetic field sensor (22) is arranged between the inner magnetic rotor (7) and the outer magnetic rotor (18).
5. A test bench for the performance of magnetically geared generators, according to claim 2, characterized in that the load (13) is a magnetic particle brake, providing a torque load of a determined value, or a mechanical device with full braking.
6. The experiment table for testing the performance of the magnetic drive generator according to the claim 2, characterized in that the isolation sleeve (8) is made of metal materials, not only supports the inner magnetic rotor bracket (9) and the stator coil (6), and can absolutely seal the inner magnetic rotor (7) under a certain pressure.
CN201921968066.4U 2019-11-14 2019-11-14 Magnetic transmission generator performance test experiment table Active CN211013059U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921968066.4U CN211013059U (en) 2019-11-14 2019-11-14 Magnetic transmission generator performance test experiment table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921968066.4U CN211013059U (en) 2019-11-14 2019-11-14 Magnetic transmission generator performance test experiment table

Publications (1)

Publication Number Publication Date
CN211013059U true CN211013059U (en) 2020-07-14

Family

ID=71506026

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921968066.4U Active CN211013059U (en) 2019-11-14 2019-11-14 Magnetic transmission generator performance test experiment table

Country Status (1)

Country Link
CN (1) CN211013059U (en)

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