CN207937570U - A kind of motor ages test device - Google Patents
A kind of motor ages test device Download PDFInfo
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- CN207937570U CN207937570U CN201721483296.2U CN201721483296U CN207937570U CN 207937570 U CN207937570 U CN 207937570U CN 201721483296 U CN201721483296 U CN 201721483296U CN 207937570 U CN207937570 U CN 207937570U
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- motor
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- bucket
- copper rod
- rectifier bridge
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Abstract
A kind of motor ages test device, including：Motor driver, shaft joint, generator, rectifier bridge, copper wire, copper rod, adjustable support, bucket, water pump, motor, wherein motor driver is connected with power supply, and driving motor operates, generator operation is driven by shaft coupling, the induced electromotive force that generator operation generates is rectified into half-sinusoid by rectifier bridge and is connected on copper rod by copper wire, the induced current that generator operation generates is made to flow back to rectifier bridge and generator again by the mobile electron in aqueous medium, forming circuit, therefore generator generates the rotation that a reaction force hinders generator, it is conducted to motor by shaft joint, motor generates resistant load at this time, the operation power that observation motor is generated due to resistant load, the service life of measurement motor and motor driver, the utility model is using water as medium, it is at low cost, it is easy to operate.
Description
Technical field
The utility model belongs to electromechanical testing field, specially a kind of motor ages test device.
Background technology
Motor is executing agency and the most key component of automation equipment of automation equipment, with electronic technology with
And the development of integrated circuit, motor is more and more common to be applied in daily life.Usually, motor is completed in production
Afterwards, various tests can be carried out to motor, detects the performance of motor, ensures motor normal use in application later.About right
The burn-in test of motor applies load usually on motor, burn-in test is done, for verifying stability and the aging of product
Performance.Traditional motor ages test device must do the burn-in test of motor using magnetic powder brake and dynamometer machine, described
Magnetic powder brake be according to electromagnetic principle and using magnetic powder transmit torque, it is expensive.In addition it is ground in different projects
In hair, magnetic powder brake needs that test machine is coordinated to do the test job of different product, can not do burn-in test for a long time, using having
Limit.
In view of this, in order to solve, the test of above-mentioned motor ages and magnetic powder brake cost be higher, restricted application
The problems such as, the utility model proposes a kind of motor ages test devices, including：Motor driver, shaft coupling, generator, rectification
Bridge, copper wire, copper rod, adjustable support, bucket, water pump, motor, wherein motor driver are connected with power supply, and driving motor is transported
Turn, drives generator operation, the induced electromotive force that generator operation generates to be rectified into sinusoidal half by rectifier bridge by shaft coupling
Wave is connected to by copper wire on copper rod, by the mobile electron in aqueous medium the induced current that generator operation generates is flowed again
Rectifier bridge and generator, forming circuit are returned, therefore generator generates the rotation that a reaction force hinders generator, passes through connection
Axis device is conducted to motor, and motor generates resistant load at this time, and the operation power that observation motor is generated due to resistant load measures electricity
In the service life of machine and motor driver, the utility model is at low cost using water as medium, easy to operate.
Utility model content
A kind of motor ages test device, including：Motor driver 1, shaft coupling 2, generator 3, rectifier bridge 4, copper wire 5,
Copper rod 6, adjustable support 7, bucket 8, water pump 9, motor 10.The motor driver 1 is connect with power supply and motor 10, motor
Driver connects electricity and motor operating, the shaft coupling 2 is driven to be connect with motor 10 and generator 3, the operating band of the motor made
The rotation of dynamic generator, the generator 3 are connect with rectifier bridge 4, and the rectifier bridge 4 is connect by copper wire 5 with copper rod 6,
The copper rod 6 is placed in bucket 8, and bucket 8 is equipped with adjustable support 7 and is used for adjusting the distance between copper rod 6, the bottom of bucket 8
Portion is connect with water pump 9, and water pump realizes the replacement to water in bucket 8.
Further, the motor driver 1 is used for the operating of driving motor 10, and motor driver connects the friendship of 220V
Alternating current is flowed, motor is motor to be tested.The motor driver can be used for the running speed of regulation motor, can also control
The rotating forward and reversion of motor processed, the very high general switch of the very big either voltage of motor drive current or electronic component can not
It just needs that the motor driver is added to control motor when as the switch for controlling motor.
Further, the shaft coupling 2 mainly connects two axis in motor 10 and generator 3, makes motor and power generation
Machine is rotated jointly to transmit torque, and shaft coupling 2 also has damping to motor and generator 3, buffering, improves shafting dynamic property in addition
Effect.The shaft coupling 2 is yielding coupling, diaphragm coupling, bellows coupling, oldham coupling, plum blossom shaft coupling
One kind in device, positive coupling, precision is high, inertia is small.
Further, for the generator 3 by shaft coupling 2 and 10 synchronous rotary of motor, the generator 3 is three-phase
Generator, the operation principle of direct-current brushless generator is the Exciting Windings for Transverse Differential Protection turned on the magnetic field intercepts stator that rotation itself generates, fixed
Exciting Windings for Transverse Differential Protection on son will induce three-phase alternating current, and three-phase alternating current forms one only just after the rectification of rectifier bridge
The alternating current of half cycle.
Further, the alternating current that the rectifier bridge 4 generates generator 3 carries out rectification, is rectified into half-sinusoid, excellent
Choosing, when generator is threephase generator, the induced electromotive force of generation is rectified into list by three-phase output line to rectifier bridge
Mutually via copper wire 5 to copper rod 6.
Further, the electricity output after 4 rectification of rectifier bridge is connected to copper rod 6 by copper wire 5, and the copper rod 6 is set
In bucket 8, the copper rod 6 is connect with adjustable support 7, wherein the copper rod 6 has two, adjustable support 7 can be adjusted
The distance between copper rod 6 is used for changing the load of motor, it is however generally that, the distance between copper rod is remoter, and conductivity is smaller,
The power of motor load is smaller, and the distance between copper rod is closer, and the power of motor load is bigger.Specifically, the water in bucket 8
In contain impurity, the incorporation of impurity brings moveable electronics, has electric generation between two copper rods, pass through aqueous medium conduction electricity
Lotus, electric current are flowed through from copper rod, then flow back to copper wire, rectifier bridge, generator, forming circuit.At this point, generator is generated due to rotation
Induced electromotive force, since induced electromotive force generates the circuit of conducting, the generator made generates the power hindered with motor synchronous rotary,
The rotation for hindering generator, to hinder the rotation of motor by shaft coupling, thus motor generates resistant load.Normal conditions
Under, the impurity in different source waters is different, thus corresponding certain load, and the distance between copper rod is nor fixed
, depending on specific water source, it is preferred that have power meter, the load of real-time display motor in 1 feeder ear of motor driver
Power.
Further, the water pump 9 is connect with bucket 8, mainly the water more in water-exchanging bucket, and the aging of motor 10 is surveyed
The examination time is more long, and the energy part that generator generates consumes in motor Inside coil, and part consumes in water, so motor is born
When load power is larger, after a period of time, the coolant-temperature gage in bucket increases, the conducting resistance between copper rod is influenced, and then influence
Test load, to influence the stability and accuracy of entire burn-in test, so setting water pump come it is continuous to the water in bucket
Update ensures the accuracy of motor ages test.
It may further be preferable that selecting fixed water source, the power of motor can be stablized by changing the distance between copper rod, from
And the burn-in test of motor under different capacity can be completed.
It may further be preferable that by an external center rest by motor driver, motor, shaft coupling, generator,
Rectifier bridge is closed in inside, and motor and generator are fixed on holder, and ensures that it, in same level, prevents from synchronizing
Two motor deflection centers when rotation, and when heavy load is tested, whole system will produce vibration, and the firm platform in outside contributes to
Reduce test vibration.
Using motor ages test device as described above, device is simple, and it is accurate to measure, and avoids magnetic powder brake survey
Amount, cost is relatively low, further, it is also possible to change the measurement watt level of motor, the aging for completing motor under different capacity measures.Tool
Body, using generator, the induced electromotive force generated according to generator rotation is formed into a loop with rectifier bridge and copper rod, due to returning
Road hinders the rotation of generator again, and by shaft coupling so that motor generates resistant load, power meter can show motor this moment
Run power.Change resistant load size by copper rod holder to change the distance between copper rod, to changing the fortune of motor
Row power ensures the water quality and temperature of water in bucket using the water source in water pump in real time more water-exchanging bucket, it is ensured that motor ages are surveyed
The accuracy of amount.
Description of the drawings：
Specific implementation mode is described further below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the brief machine drawing of the utility model.
Primary structure number explanation
Following specific implementation mode will further illustrate the utility model in conjunction with above-mentioned attached drawing.
Specific implementation mode
Specific implementation mode 1：
A kind of motor ages test device, including：Motor driver 1, shaft coupling 2, generator 3, rectifier bridge 4, copper wire 5,
Copper rod 6, adjustable support 7, bucket 8, water pump 9, motor 10, the motor driver 1 are connect with power supply and motor 10, motor
Driver connects electricity and motor operating, the shaft coupling 2 is driven to be connect with motor 10 and generator 3, the operating band of the motor made
The rotation of dynamic generator, the generator 3 are connect with rectifier bridge 4, and the rectifier bridge 4 is connect by copper wire 5 with copper rod 6,
The copper rod 6 is placed in bucket 8, and bucket 8 is equipped with adjustable support 7 and is used for adjusting the distance between copper rod 6, the bottom of bucket 8
Portion is connect with water pump 9, and water pump realizes the replacement to water in bucket 8.
The exchange of 220V supplies electricity to motor driver power supply, and motor driver drives motor rotation, selects yielding coupling, make
Threephase generator and shaft coupling synchronous rotary, the faradaic rectification generated generator using three casees rectifier bridges to half-sinusoid
It is connected to copper rod by copper wire, the distance between copper rod 40mm, the power meter on motor shows that power of motor is 1000W, test
1 day time, motor works well.
Specific implementation mode 2：
A kind of motor ages test device, including：Motor driver 1, shaft coupling 2, generator 3, rectifier bridge 4, copper wire 5,
Copper rod 6, adjustable support 7, bucket 8, water pump 9, motor 10, the motor driver 1 are connect with power supply and motor 10, motor
Driver connects electricity and motor operating, the shaft coupling 2 is driven to be connect with motor 10 and generator 3, the operating band of the motor made
The rotation of dynamic generator, the generator 3 are connect with rectifier bridge 4, and the rectifier bridge 4 is connect by copper wire 5 with copper rod 6,
The copper rod 6 is placed in bucket 8, and bucket 8 is equipped with adjustable support 7 and is used for adjusting the distance between copper rod 6, the bottom of bucket 8
Portion is connect with water pump 9, and water pump realizes the replacement to water in bucket 8.
The exchange of 220V supplies electricity to motor driver power supply, and motor driver drives motor rotation, selects yielding coupling, make
Threephase generator and shaft coupling synchronous rotary, the faradaic rectification generated generator using three casees rectifier bridges to half-sinusoid
It is connected to copper rod by copper wire, the distance between copper rod 60mm, the power meter on motor shows that power of motor is 800W, when test
Between 1 day, motor works well.
Specific implementation mode 3：
A kind of motor ages test device, including：Motor driver 1, shaft coupling 2, generator 3, rectifier bridge 4, copper wire 5,
Copper rod 6, adjustable support 7, bucket 8, water pump 9, motor 10, the motor driver 1 are connect with power supply and motor 10, motor
Driver connects electricity and motor operating, the shaft coupling 2 is driven to be connect with motor 10 and generator 3, the operating band of the motor made
The rotation of dynamic generator, the generator 3 are connect with rectifier bridge 4, and the rectifier bridge 4 is connect by copper wire 5 with copper rod 6,
The copper rod 6 is placed in bucket 8, and bucket 8 is equipped with adjustable support 7 and is used for adjusting the distance between copper rod 6, the bottom of bucket 8
Portion is connect with water pump 9, and water pump realizes the replacement to water in bucket 8.
The exchange of 220V supplies electricity to motor driver power supply, and motor driver drives motor rotation, selects yielding coupling, make
Threephase generator and shaft coupling synchronous rotary, the faradaic rectification generated generator using three casees rectifier bridges to half-sinusoid
It is connected to copper rod by copper wire, the distance between copper rod 20mm, the power meter on motor shows that power of motor is 1500W, test
1 day time, burn-down of electrical machinery either failure analysis reason motor pressure-resistant performance not enough or stator winding insulation not
It is enough, or exclude the failure of software control and hardware controls.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of motor ages test device, including：Motor driver, shaft coupling, generator, rectifier bridge, copper wire, copper rod, can
Holder, bucket, water pump, motor, the motor driver is adjusted to be connect with power supply and motor, motor driver connects electricity and drives electricity
Machine operates, and the shaft coupling is connect with motor and generator, and the operating of the motor made drives the rotation of generator, described
Generator is connect with rectifier bridge, and the rectifier bridge is connect by copper wire with copper rod, and the copper rod is placed in bucket, on bucket
It is used for adjusting the distance between copper rod equipped with adjustable support, the bottom of bucket is connect with water pump, and water pump is realized to water in bucket
It replaces.
2. motor ages test device as described in claim 1, it is characterised in that：The motor driver can be used for adjusting
The running speed for saving motor, can also control the rotating forward and reversion of motor.
3. motor ages test device as described in claim 1, it is characterised in that：The shaft coupling be yielding coupling,
One kind in diaphragm coupling, bellows coupling, oldham coupling, plum coupling, positive coupling.
4. motor ages test device as described in claim 1, it is characterised in that：The generator is brush DC three-phase
Generator.
5. motor ages test device as described in claim 1, it is characterised in that：There is power in motor driver feeder ear
Table, the bearing power of real-time display motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483296.2U CN207937570U (en) | 2017-11-09 | 2017-11-09 | A kind of motor ages test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483296.2U CN207937570U (en) | 2017-11-09 | 2017-11-09 | A kind of motor ages test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937570U true CN207937570U (en) | 2018-10-02 |
Family
ID=63645497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721483296.2U Active CN207937570U (en) | 2017-11-09 | 2017-11-09 | A kind of motor ages test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207937570U (en) |
-
2017
- 2017-11-09 CN CN201721483296.2U patent/CN207937570U/en active Active
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