CN211955750U - Motor aging and power measuring equipment - Google Patents
Motor aging and power measuring equipment Download PDFInfo
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- CN211955750U CN211955750U CN202020337286.3U CN202020337286U CN211955750U CN 211955750 U CN211955750 U CN 211955750U CN 202020337286 U CN202020337286 U CN 202020337286U CN 211955750 U CN211955750 U CN 211955750U
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Abstract
The utility model provides a motor aging and power measuring device, which comprises a control circuit, a power meter, a driver, a variable frequency power meter, a measured motor placing table, a shaft coupling, a speed torque sensor, a load motor, a rectifier and a load resistor, wherein the control circuit, the power meter, the driver, the variable frequency power meter, the measured motor placing table, the shaft coupling, the speed torque sensor, the load motor, the rectifier and the load resistor; the control circuit, the power meter, the driver, the variable frequency power meter, the coupler, the speed and torque sensor, the load motor, the rectifier and the load resistor are sequentially connected; the tested motor placing table is used for placing a tested motor to be tested; the tested motor is fixed on the tested motor placing table through the air cylinder. Compared with the prior art in which magnetic powder and a hysteresis brake are adopted as loads, the utility model adopts a load motor as a load, and can test the motor for a long time, thereby realizing the integration of aging and power test functions; moreover, still be equipped with the cylinder on the platform is placed to the motor that is being surveyed for the clamping of being surveyed the motor is convenient and fast more, has greatly improved efficiency of software testing, and very suitable batch carries out the motor test.
Description
Technical Field
The utility model relates to a motor test technical field, in particular to motor aging, dynamometer device.
Background
The development of scientific technology puts higher and higher requirements on the performance and quality indexes of the motor, and the development of the motor test technology is closely related to the development of the motor industry; the motor test generally includes a burn-in test and a power test.
In the prior art, the detection of the motor power is mainly completed through dynamometer testing equipment, for example, patent with application number CN200820142953.1 discloses an electric vehicle motor dynamometer, which comprises a machine base, a wheel fixing frame, electric vehicle wheels, a rotating wheel, a deflector rod, a speed measuring device, a central shaft, a torque sensor and a magnetic powder brake, and a damping torque is generated through the magnetic powder brake, so that a load is simulated to realize the motor test; however, since the magnetic powder or hysteresis brake of the dynamometer cannot operate for a long time and has a limited life, the dynamometer cannot be used for long-time uninterrupted operation test, that is, cannot be used for aging test of the motor.
The motor aging and power measuring function integration can not be realized by the equipment, two kinds of equipment are required to be purchased for testing in the motor test, and the enterprise test cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the existing motor testing equipment can not realize the functions of motor aging testing and power testing at the same time, the utility model provides motor aging and power testing equipment which comprises a control system, a tested motor placing table, a coupler, a speed torque sensor, a load motor, a rectifier and a load resistor; the tested motor placing table is used for placing a tested motor to be tested; the tested motor is fixed on the tested motor placing table through the air cylinder; the control system, the tested motor, the coupler, the speed torque sensor, the load motor, the rectifier and the load resistor are connected in sequence.
Further, the motor to be tested and the load motor are the same in type.
Further, the control system comprises a control circuit, a power meter, a driver and a variable frequency power meter; the control circuit, the power meter, the driver and the variable frequency power meter are sequentially connected; and the variable frequency power meter is connected with the motor to be measured.
Further, control system still includes the stabiliser, the input and the municipal power grids electric connection of stabiliser, the output of stabiliser with control circuit electric connection.
Furthermore, the rectifier further comprises a compensation circuit, and the compensation circuit is electrically connected with the input end of the rectifier.
Further, the compensation circuit adopts a capacitor for compensation.
Further, the compensation circuit comprises three capacitors, and the capacitors are connected with the load motor by adopting a star connection method.
Further, still include the equipment rack, the platform is placed to the motor under test through the slide rail with the equipment rack is connected.
Furthermore, the voltage stabilizer, the control circuit, the power meter, the variable frequency power meter, the rectifier and the load resistor are all arranged below the equipment rack.
Furthermore, the control circuit is provided with a cooling fan, and the cooling fan is used for cooling the load resistor.
The utility model provides a motor ageing, dynamometer equipment through being equipped with speed torque sensor, shaft coupling and load motor, has realized dragging the test, compares and adopts magnetic powder brake, hysteresis brake as the load among the prior art, the utility model discloses a load motor is as the load, can carry out the test of motor for a long time to the integration of ageing tests and short-term power test function has been realized; moreover, still be equipped with the cylinder on the platform is placed to the motor that is being tested, when the fixed motor that is being tested of clamping, will be tested the motor and be connected with the shaft coupling, then the operation cylinder withstands the motor that is being tested, can accomplish the fixed of being tested the motor, clamping convenient and fast has greatly improved efficiency of software testing, very is fit for carrying out the motor test in batches.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a motor aging and power measuring device provided by the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a top view of the motor aging and power measuring device;
FIG. 4 is a circuit connection block diagram of the motor aging and power measuring device.
Reference numerals:
speed and torque sensor for 10-load motor 20 and cylinder 30
40 driver 50 tested motor 60 equipment rack
70-coupler 80 tested motor placing table 90 sliding rail
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model provides a motor aging and power measuring device, which comprises a control system, a tested motor placing table 80, a coupler 70, a speed and torque sensor 30, a load motor 10, a rectifier and a load resistor; the tested motor placing table 80 is used for placing a tested motor 50 to be tested; the tested motor 50 is fixed on a tested motor placing table 80 through the air cylinder 20; the control system, the tested motor 50, the coupler 70, the speed and torque sensor 30, the load motor 10, the rectifier and the load resistor are connected in sequence.
In specific implementation, as shown in fig. 1 to 4, the device includes a control system, a tested motor placing table 80 for placing the tested motor 50, a coupling 70, a speed and torque sensor 30, a load motor 10, a rectifier and a load resistor; the control system, the tested motor 50, the coupler 70, the speed torque sensor 30, the load motor 10, the rectifier and the load resistor are connected in sequence; the control system is used for controlling the electricity utilization and action operation of the equipment and specifically comprises a control circuit, a power meter, a driver 40 and a variable frequency power meter; the control circuit, the power meter, the driver 40 and the variable frequency power meter are connected in sequence; the control circuit is connected with the power supply; the variable frequency power meter is electrically connected with the tested motor 50; the control circuit comprises components such as a voltage transmitter, a current transmitter, a relay and the like; the control circuit is used for controlling the power utilization and action operation of the equipment; the power meter is used to test the input power to the driver 40; the driver 40 is used to control the rotation of the load motor 10; the variable frequency power meter is used for measuring the power output by the driver 40 to the tested motor 50; the speed and torque sensor 30 is used for measuring the output rotating speed and the torque of the tested motor 50; the load motor 10 is used for simulating the load of the tested motor 50; the rectifier is used for converting alternating current generated by the load motor 10 into direct current; the load resistor is used to consume the electric power generated by the load motor 10. Electrical accessories such as a voltage stabilizer, a power meter, a variable frequency power meter, a rectifier and the like and a load resistor are arranged below the equipment rack 60; the system comprises a voltage transmitter, a current transmitter, a speed torque sensor 30 and a power meter, wherein data of the variable frequency power meter is transmitted to an upper computer through a network; it should be noted that, according to the actual control requirement, the skilled person can make an adaptive adjustment to the control system.
In actual use, as shown in fig. 2, the tested motor 50 and the driver 40 are connected, the connected tested motor 50 and the connected driver 40 are fixed on the tested motor placing table 80, and then the tested motor 50 is manually pushed into the coupling 70 and connected with the coupling, and is fixed by a fastening member such as a bolt; then setting the required load, good product range and operation time, and starting a starting button on the equipment to enable the air cylinder 20 to tightly press the motor; after the air cylinder 20 compresses the motor, the power test and the aging test of the motor can be started.
The utility model provides a motor ageing, dynamometer equipment through being equipped with speed torque sensor, shaft coupling and load motor, has realized dragging the test, compares and adopts magnetic powder brake, hysteresis brake as the load among the prior art, the utility model discloses a load motor is as the load, can carry out the test of motor for a long time to the integration of ageing tests and short-term power test function has been realized; moreover, still be equipped with the cylinder on the platform is placed to the motor that is being tested, when the fixed motor that is being tested of clamping, will be tested the motor and be connected with the shaft coupling, then the operation cylinder withstands the motor that is being tested, can accomplish the fixed of being tested the motor, clamping convenient and fast has greatly improved efficiency of software testing, very is fit for carrying out the motor test in batches.
Preferably, the motor to be tested 50 and the load motor 10 are the same type motor.
When the concrete implementation, the embodiment of the utility model provides a motor is ageing, dynamometer equipment, load motor 10 adopt with the specification model that is surveyed motor 50 the same, then need not to look for the load motor 10 that meets the requirements, and the motor height position need not to adjust through the frock, can directly use shaft coupling 70 to be connected and test, has simplified the mechanical structure of this equipment promptly, has improved the adaptability of this equipment.
Preferably, the control system further comprises a voltage stabilizer, wherein the input end of the voltage stabilizer is electrically connected with the municipal power grid, and the output end of the voltage stabilizer is electrically connected with the control circuit.
When concrete implementation, as shown in fig. 4, the embodiment of the utility model provides an ageing, dynamometer equipment of motor still includes the stabiliser, and the input of stabiliser is connected with municipal power grid, and the output of stabiliser is connected with control circuit, and the stabiliser is used for the input voltage of this equipment of steady to avoid municipal power grid's voltage fluctuation to cause the interference to the test.
Preferably, the rectifier further comprises a compensation circuit, and the compensation circuit is electrically connected with the input end of the rectifier.
Preferably, the compensation circuit is compensated using a capacitor.
Preferably, the compensation circuit comprises three capacitors, which are connected to the load motor 10 in a star connection.
In specific implementation, as shown in fig. 4, the motor aging and power measuring device provided in the embodiment of the present invention further includes a compensation circuit, the compensation circuit compensates by using capacitors, specifically, the compensation circuit is a star connection for three capacitors to connect to the load motor 10, so as to realize the circuit compensation function; the compensation circuit is used for performing power factor compensation and voltage compensation on electric energy emitted by the load motor 10, and when the same-model motor is used as the load motor 10, reactive power can be consumed by inductive load in the load motor 10, so that the power actually emitted by the load motor 10 cannot reach a rated value, the power factor is improved through capacitance compensation, the reactive loss is eliminated, and the same-model motor can be subjected to full-load aging test. In the prior art, in order to achieve load on a small-power motor aging device, a load motor 10 is mostly realized by adopting a method of 3-4 times higher power than a tested motor 50; particularly, for a low-power large-torque motor, the selection of the load motor 10 is difficult, and the model specifications of the load motor 10 and the tested motor 50 are different, so that the mechanical structure of the test equipment is complicated, and the test equipment needs to spend much time for centering debugging; and the utility model provides a motor is ageing, dynamometer equipment passes through compensating circuit can make test equipment when adopting the motor with the model specification, can also be with the state simulation load operating mode of full load.
Preferably, the device comprises an equipment rack 60, and the tested motor placing table 80 is connected with the equipment rack 60 through a sliding rail 90.
When the concrete implementation, as shown in fig. 3, the embodiment of the utility model provides an it is ageing, be equipped with slide rail 90 on the equipment rack 60 of dynamometer equipment to the motor that is provided, the platform 80 is placed through slide rail 90 and equipment rack 60 sliding connection to the motor that is being tested, through being equipped with slide rail 90 for place and place the platform 80 is placed to the motor that is being tested 50 accessible slide rail 90 direct push to shaft coupling 70, and be connected with shaft coupling 70, greatly improved the convenience of test and the efficiency of test installation.
Preferably, the control circuit is provided with a cooling fan, and the cooling fan is used for cooling the load resistor.
During specific implementation, the control circuit is further provided with a cooling fan, and the cooling fan is arranged on the control circuit, so that the cooling efficiency of the load resistor can be improved.
Although terms such as control system, equipment rack, power meter, drive, variable frequency power meter, measured motor placement table, coupling, speed torque sensor, load motor, rectifier, and load resistance are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a motor ageing, dynamometer device which characterized in that: the device comprises a control system, a tested motor placing table (80), a coupler (70), a speed and torque sensor (30), a load motor (10), a rectifier and a load resistor; the tested motor placing table (80) is used for placing a tested motor (50) to be tested; the tested motor (50) is fixed on the tested motor placing table (80) through the air cylinder (20); the control system, the tested motor (50), the coupler (70), the speed and torque sensor (30), the load motor (10), the rectifier and the load resistor are sequentially connected.
2. The motor aging, dynamometer apparatus of claim 1, wherein: the motor (50) to be tested and the load motor (10) are of the same type.
3. The motor aging, dynamometer apparatus of claim 1, wherein: the control system comprises a control circuit, a power meter, a driver (40) and a variable frequency power meter; the control circuit, the power meter, the driver (40) and the variable-frequency power meter are sequentially connected; the variable frequency power meter is connected with the motor (50) to be measured.
4. The motor aging, dynamometer apparatus of claim 3, wherein: the control system further comprises a voltage stabilizer, the input end of the voltage stabilizer is electrically connected with the municipal power grid, and the output end of the voltage stabilizer is electrically connected with the control circuit.
5. The motor aging, dynamometer apparatus of claim 4, wherein: the rectifier further comprises a compensation circuit, and the compensation circuit is electrically connected with the input end of the rectifier.
6. The motor aging, dynamometer apparatus of claim 5, wherein: the compensation circuit adopts a capacitor for compensation.
7. The motor aging, dynamometer apparatus of claim 6, wherein: the compensation circuit comprises three capacitors, which are connected to the load motor (10) in a star connection.
8. The motor aging, dynamometer apparatus of any of claims 4-7, wherein: the device is characterized by further comprising an equipment rack (60), wherein the tested motor placing platform (80) is connected with the equipment rack (60) through a sliding rail (90).
9. The motor aging, dynamometer apparatus of claim 8, wherein: the voltage stabilizer, the control circuit, the power meter, the variable frequency power meter, the rectifier and the load resistor are all arranged below the equipment rack (60).
10. The motor aging, dynamometer apparatus of claim 8, wherein: the control circuit is provided with a cooling fan, and the cooling fan is used for cooling the load resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020337286.3U CN211955750U (en) | 2020-03-17 | 2020-03-17 | Motor aging and power measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020337286.3U CN211955750U (en) | 2020-03-17 | 2020-03-17 | Motor aging and power measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211955750U true CN211955750U (en) | 2020-11-17 |
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ID=73179957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020337286.3U Active CN211955750U (en) | 2020-03-17 | 2020-03-17 | Motor aging and power measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211955750U (en) |
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2020
- 2020-03-17 CN CN202020337286.3U patent/CN211955750U/en active Active
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