CN215067154U - Motor EOL testing arrangement - Google Patents
Motor EOL testing arrangement Download PDFInfo
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- CN215067154U CN215067154U CN202120608706.1U CN202120608706U CN215067154U CN 215067154 U CN215067154 U CN 215067154U CN 202120608706 U CN202120608706 U CN 202120608706U CN 215067154 U CN215067154 U CN 215067154U
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- motor
- eol
- industrial inverter
- inverter
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Abstract
The utility model discloses a motor EOL testing arrangement adopts industry dc-to-ac converter to replace volume production spare controller for the moment of torsion output control of EOL rack realization motor. The customized industrial inverter converts a DC input power supply into stable three-phase alternating current to be output to the motor, and the frequency and the current of the output three-phase alternating current can be adjusted according to test requirements, so that the forward and reverse rotation speed and torque control of the motor are realized. Compared with the traditional motor test, the method has the advantages that the economic and aging cost of equipment maintenance is reduced, the reliability and stability of the EOL test bench are improved, the verification process caused by process change is reduced, and the production efficiency is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of the motor test, especially, relate to a motor EOL testing arrangement.
Background
The traditional motor test concept employs a mass production element controller for the EOL gantry to implement torque output control of the motor. Software and hardware of the mass production part controller are continuously upgraded, and therefore, in order to maintain the consistency of motor tests, the mass production part controller of the EOL stand needs to upgrade the software and hardware at a higher frequency.
This not only causes a large amount of process changes, but also greatly increases the difficulty of equipment maintenance, and affects production efficiency. In addition, the mass production controller has poor compatibility with the cooling system during operation, and is prone to terminate testing due to code diagnosis errors, which also affects production efficiency. In addition, the mass production element controller has high requirements on the stability of the DC input power supply, and needs to be provided with a complicated rectifying and filtering device, so that the test cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a motor EOL testing arrangement adopts the industry dc-to-ac converter, replaces the volume production spare controller for the moment of torsion output control of motor is realized to the EOL rack, has reduced the economy and the ageing cost of plant maintenance, has promoted the reliability and the stability of EOL test rack, has reduced the verification process of bringing because of the technology change, makes production efficiency obtain effectively promoting.
In order to solve the above problem, the technical scheme of the utility model is that:
an electric machine EOL testing apparatus comprising: an EOL test bench, a load motor, a power supply and an industrial inverter;
the EOL test bench is used for placing a tested motor;
the power supply is electrically connected with the input end of the industrial inverter and is used for transmitting direct current to the industrial inverter;
the output end of the industrial inverter is electrically connected with the tested motor, and three-phase alternating current is transmitted to the tested motor, so that the tested motor outputs forward and reverse rotating speed and torque;
and the load motor is mechanically connected with the tested motor and is used for driving or braking the tested motor.
According to the utility model discloses an embodiment, motor EOL testing arrangement still includes the cold water machine, the cold water machine with industry dc-to-ac converter links to each other for realize the heat dissipation of industry dc-to-ac converter.
According to the utility model discloses an embodiment, be equipped with temperature monitor, control panel and heat abstractor on the industry dc-to-ac converter, temperature monitor and control panel install in the outer surface layer of industry dc-to-ac converter, heat abstractor install in the inside of industry dc-to-ac converter.
According to the utility model discloses an embodiment, temperature monitor is used for showing the temperature of industry inverter inner space, control panel is used for controlling inside the industry inverter heat abstractor's operating condition.
According to the utility model discloses an embodiment, heat abstractor is the thermantidote, and the quantity of thermantidote is more than or equal to 1.
According to the utility model discloses an embodiment, be equipped with the cooling wind gap on the shell of industry dc-to-ac converter, cooling wind gap department is equipped with filter screen and waterproof layer.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
1) the utility model discloses a motor EOL testing arrangement in an embodiment adopts the volume production spare controller in the traditional motor test of industry dc-to-ac converter substitute quantity for the moment of torsion output control of motor is realized to the EOL rack, has reduced the economy and the ageing cost of plant maintenance, has promoted the reliability and the stability of EOL test rack, has reduced the verification process of bringing because of the technology change, makes production efficiency obtain effectively promoting.
2) The utility model discloses a motor EOL testing arrangement in an embodiment dispels the heat to industry dc-to-ac converter through the cold water machine, makes the temperature keep balance of industry dc-to-ac converter, ensures going on smoothly of motor EOL test, also prolongs the life of industry dc-to-ac converter.
3) The utility model relates to an in the embodiment of a motor EOL testing arrangement, the industry dc-to-ac converter of adopting automatic heat abstractor and waterproof layer has saved the application of cold water machine, has saved the test cost, has also reduced testing arrangement's area.
Drawings
Fig. 1 is a schematic diagram of a motor EOL testing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an industrial inverter according to an embodiment of the present invention.
Description of reference numerals:
1: an EOL test rig; 2: a power source; 3: an industrial inverter; 301: a heat sink; 302: a temperature display; 303: a cooling fan; 304: a control panel; 305: an inverter; 306: a heat dissipation air port; 307: a filter screen and a waterproof layer; 4: a load motor; 5: a water chiller; 6: and (6) a motor to be tested.
Detailed Description
The following describes a motor EOL testing apparatus according to the present invention in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
The embodiment provides a motor EOL testing device, which adopts an industrial inverter to replace a mass production part controller in a traditional motor test for realizing torque output control of a motor by an EOL rack, reduces the economic and timeliness cost of equipment maintenance, improves the reliability and stability of the EOL test rack, reduces the verification process caused by process change, and effectively improves the production efficiency.
In particular, please refer to fig. 1. This motor EOL testing arrangement includes: EOL test bench 1, power 2, industrial inverter 3 and load motor 4. The EOL test bench 1 is used for placing and fixing a tested motor 6; the power supply 2 is electrically connected with the input end of the industrial inverter 3 and transmits direct current to the industrial inverter 3; the output end of the industrial inverter 3 is electrically connected with the tested motor 6, and the direct current transmitted by the power supply 2 is converted into three-phase alternating current to be transmitted to the tested motor 6. According to the test requirement, the frequency and the current of the three-phase alternating current can be adjusted, so that the tested motor 6 can output forward and reverse rotating speed and torque. The load motor 4 is electrically connected with the motor 6 to be tested and used for driving or braking the motor 6 to be tested.
In order to prolong the service life of the industrial inverter, the water chiller 5 is connected with the industrial inverter 3 for realizing the heat dissipation of the industrial inverter 3.
The water chiller 5 is a water cooling device, and the water chiller 5 is a cooling water device capable of providing constant temperature, constant flow and constant pressure. The working principle of the water cooler is that a certain amount of water is injected into a water tank in the water cooler, the water is cooled by a cooling system of the water cooler, low-temperature cooling water is sent to equipment to be cooled by a water pump, the chilled water of the water cooler takes away heat, the temperature rises and then flows back to the water tank, and the water is cooled by the cooling system.
In order to further save the test cost, the embodiment provides the industrial inverter with the heat dissipation function, so that the industrial inverter is not required to be dissipated by a water cooler.
Referring to fig. 2, the industrial inverter 3 is provided with a temperature display 302, a control panel 304 and a heat sink 301. The temperature display 302 and the control panel 304 are mounted on the outer surface layer of the industrial inverter 3, and the heat sink 301 is mounted inside the industrial inverter 3. The temperature display 302 is used for displaying the temperature of the space inside the industrial inverter 3, and the control panel 304 is used for controlling the working condition of the heat sink 301 inside the industrial inverter 3. The specific heat dissipation device 301 can be the cooling fan 303, and the number of the cooling fan 303 is greater than or equal to 1, that is to say, a plurality of cooling fans 303 can be arranged as required. When the temperature inside the industrial inverter 3 is too high, the working condition of the cooling fan 303 can be controlled through the control panel 304, whether a single cooling fan 303 or two cooling fans 303 work together can be controlled, and the rotating speed of the cooling fan 303 can also be adjusted.
A heat dissipation air port 306 is arranged on the housing of the industrial inverter 3 near the inverter 305, a filter screen and a waterproof layer 307 are arranged outside the heat dissipation air port 306, and a waterproof layer is arranged outside the filter screen, so that the industrial inverter 3 has a waterproof function.
In summary, the motor EOL testing apparatus provided in this embodiment adopts the industrial inverter to replace the mass production controller, and is used for the EOL rack to realize the torque output control of the motor. The customized industrial inverter converts a DC input power supply into stable three-phase alternating current to be output to the motor, and the frequency and the current of the output three-phase alternating current can be adjusted according to test requirements, so that the forward and reverse rotation speed and torque control of the motor are realized. Compared with the traditional motor test, the method has the advantages that the economic and aging cost of equipment maintenance is reduced, the reliability and stability of the EOL test bench are improved, the verification process caused by process change is reduced, and the production efficiency is effectively improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (6)
1. An electric machine EOL testing apparatus, comprising: an EOL test bench, a load motor, a power supply and an industrial inverter;
the EOL test bench is used for placing a tested motor;
the power supply is electrically connected with the input end of the industrial inverter and is used for transmitting direct current to the industrial inverter;
the output end of the industrial inverter is electrically connected with the tested motor, and three-phase alternating current is transmitted to the tested motor, so that the tested motor outputs forward and reverse rotating speed and torque;
and the load motor is mechanically connected with the tested motor and is used for driving or braking the tested motor.
2. The motor EOL testing apparatus of claim 1, further comprising a water chiller connected to the industrial inverter for dissipating heat from the industrial inverter.
3. The motor EOL testing apparatus of claim 1, wherein the industrial inverter comprises a temperature display, a control panel, and a heat sink, the temperature display and the control panel are mounted on an outer surface of the industrial inverter, and the heat sink is mounted inside the industrial inverter.
4. The motor EOL testing apparatus of claim 3, wherein the temperature display is configured to display a temperature of the interior space of the industrial inverter, and the control panel is configured to control an operating condition of the heat sink within the industrial inverter.
5. The motor EOL testing device of claim 3, wherein the heat dissipation device is a cooling fan, and the number of the cooling fans is greater than or equal to 1.
6. The motor EOL testing apparatus of claim 3, wherein a heat dissipation vent is disposed on a housing of the industrial inverter, and a filter screen and a waterproof layer are disposed at the heat dissipation vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120608706.1U CN215067154U (en) | 2021-03-25 | 2021-03-25 | Motor EOL testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120608706.1U CN215067154U (en) | 2021-03-25 | 2021-03-25 | Motor EOL testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215067154U true CN215067154U (en) | 2021-12-07 |
Family
ID=79155206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120608706.1U Active CN215067154U (en) | 2021-03-25 | 2021-03-25 | Motor EOL testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215067154U (en) |
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2021
- 2021-03-25 CN CN202120608706.1U patent/CN215067154U/en active Active
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