CN106338686A - Motor centrifugal switch durability test device and test method - Google Patents
Motor centrifugal switch durability test device and test method Download PDFInfo
- Publication number
- CN106338686A CN106338686A CN201610669995.XA CN201610669995A CN106338686A CN 106338686 A CN106338686 A CN 106338686A CN 201610669995 A CN201610669995 A CN 201610669995A CN 106338686 A CN106338686 A CN 106338686A
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- CN
- China
- Prior art keywords
- motor
- centrifugal switch
- controller
- testing
- microprocessor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
Abstract
The invention relates to a motor centrifugal switch durability test device comprising a motor which is connected with a power supply and provided with a centrifugal switch. The device also comprises a controller which is connected with the input end of the motor and used for controlling on/off of the motor, a simulated load which is connected with the output end of the motor and a counter which is connected in parallel with the controller. The motor centrifugal switch durability test device is simple in structure, convenient to operate and economical in cost. The invention also relates to a motor centrifugal switch durability test method. The test method is safe and reliable and high in practicality and provides the quality guarantee for development of the matched motor and terminal product. The counter is connected in parallel with the controller and used for performing statistics of the number of cycles of durability testing so that on/off time can be arbitrarily adjusted, over hundreds of thousands of times of mechanical durability testing can be realized and thus the product is enabled to meet the design requirements.
Description
Technical field
The present invention relates to technical field of motors is and in particular to motor centrifugal switch device for testing endurance and method of testing.
Background technology
Centrifugal switch, for small-sized single-phase asynchronous machine, no matter functionally or in safety, is all most crucial
One of part.The endurance of mechanical centrifugal switch directly determines the life-span length of motor or even whole machine, therefore, mechanically from
The durable test of heart switch is particularly important.
At present, the motor of domestic use centrifugal switch is not yet popular, is therefore directed to the durable test of mechanical centrifugal switch
Method does not even more form unification, and great majority are use time relay, control relay along with generator is as the side of load
Method, total system is loaded down with trivial details and poor operability, or even cost is larger, implements relative complex.
Content of the invention
It is an object of the invention to provide a kind of motor centrifugal switch device for testing endurance and method of testing, this motor from
Heart switch endurance test device is not only simple in structure and easy to operate, also saves cost；This method of testing is safe and reliable, real
Strong with property, the exploitation by the motor that mated and end product provides quality assurance, solves deficiency of the prior art.
For achieving the above object, present invention employs technical scheme below:
A kind of motor centrifugal switch device for testing endurance, including the motor being provided with centrifugal switch being connected with power supply, is also wrapped
Include the fictitious load that is connected with motor output end of the controller for controlled motor start and stop being connected with input end of motor and with
Controller counter in parallel.
Further, described controller includes the microprocessor for the controlled motor start and stop cycle.
Further, also include the fuse that is connected between controller and power supply.
Further, described fictitious load is provided with radiator.
A kind of method of testing of motor centrifugal switch device for testing endurance, the method comprises the following steps:
Step s1, controller controlled motor is opened, and centrifugal switch energising, that is, be off simultaneously；
Step s2, counter is once counted；
Step s3, controller controlled motor is shut down, and centrifugal switch resets, and a test period terminates；
Step s4, repeat step s1 ~ step s3.
Further, the concretely comprising the following steps of step s1, microprocessor 51 passes through to control controllable silicon 52 controlled motor 1 to start,
The centrifugal switch 2 being arranged on motor 1 is energized, that is, be off.
The concretely comprising the following steps of step s2, the voltage that counter 5 passes through to produce thereon is once counted.
The concretely comprising the following steps of step s3, after motor 1 downtime arrives, microprocessor 51 passes through to control controllable silicon 52 to control electricity
Machine 1 is shut down, and centrifugal switch 2 resets, and a test period terminates；
The concrete steps of step s4, microprocessor 51 continue through controllable silicon 52 controlled motor 1 start and shut down repeat step s1 ~
Step s3.
Further, described test period is cycle motor start-stop time, and the motor start-stop time is controlled by microprocessor.
From above technical scheme, by the present invention in that replacing actual loading with fictitious load, can be according to the volume of motor
Determine level of torque and arbitrarily add and subtract load block adjustment, and fictitious load is provided with radiator, on the one hand the motor in test can be dissipated
Heat, on the other hand can increase air drag during motor stall, thus accelerating the next action week that reduction of speed enters centrifugal switch
Phase.Controller is connected with the exit of motor, controllable motor start and stop, when microprocessor thereon can arbitrarily arrange motor start and stop
Between accounting, that is, centrifugal switch disconnect and the accounting of resetting time, that is, time of the beginning and end of test period.Count
Device in parallel with controller in order to count the cycle times that durable test is carried out.Fuse is series between controller and power supply effectively
Play current protection effect.The structure of the present invention is simple, easy to operate, safe and reliable, arbitrarily can adjust make-and-break time, and can
Realize being up to the mechanical durable test of hundreds of thousands time, thus allowing product meet design requirement.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the electric machine structure schematic diagram of the present invention；
Fig. 3 is controller architecture schematic diagram of the present invention；
Fig. 4 is counter structure schematic diagram of the present invention；
Fig. 5 is fuse structure schematic diagram of the present invention.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings:
A kind of motor centrifugal switch device for testing endurance as Figure 1-Figure 5, is provided with centrifugation including with power supply 8 is connected
The motor 1 of switch 2, the controller 5 for controlled motor 1 start and stop also including being connected with motor 1 input is exported with motor 1
Fictitious load 3 and the counter 6 in parallel with controller 5 that end connects.Switch on power after 8, motor 1 is set by controller 5
Start-stop time accounting, controller 5 controlled motor 1 starts, and the centrifugal switch 2 being arranged on motor 1 is energized, and is in disconnection shape
State；The voltage that unison counter 5 passes through to produce thereon is once counted；After motor 1 downtime arrives, controller 5 controls electricity
Machine 1 is shut down, and centrifugal switch 2 resets, and a test period terminates.When carrying out next test period, controller 5 continues to control electricity
Machine 1 start and stop, repeat said process, can achieve the mechanical durable test of up to hundreds of thousands time.Present configuration is simple, operation side
Just, save testing cost, provide reliable data to support for subsequent production product.
Controller 5 includes the microprocessor 51 for the controlled motor 1 start and stop cycle, also includes controllable silicon 52, power switch
53rd, plug-in unit 54.Plug-in unit 54 is connected with the exit of motor 1, and counter 6 is parallel between the plug-in unit 54 on controller 5, fuse
7 are series between controller 5 and power supply 8.Microprocessor 51 on controller 5 can any controlled motor start-stop time accounting,
Controllable silicon 52 controlled motor start and stop on controller 5, power switch 53 controls beginning and the stopping of test, and counter 6 is in order to unite
The cycle times that meter durable test is carried out, fuse 7 plays current protection effect, improves the security of test.This 1 axle of motor
Assembly simulation load 3 at end, and be fixed in mounting bracket 4.Radiator 31 1 aspect on fictitious load 3 can be in test
Motor 1 radiate, on the other hand then can increase air drag during motor 1 stall, thus accelerating reduction of speed to enter centrifugal switch 2
The next action cycle, and the big I of radiator 31 needs adjustment to change according to actual loading.
A kind of method of testing of motor centrifugal switch device for testing endurance, the method comprises the following steps:
Step s1, switches on power after 8, sets 1 start-stop time of motor accounting by controller 5, turns on the power switch 53, test is opened
Begin: microprocessor 51 can any controlled motor start-stop time accounting, i.e. the power on/off time accounting of control centrifugal switch 2,
Exactly control the time of the beginning and end of a test period.Microprocessor 51 passes through to control controllable silicon 52 controlled motor 1 to open
Dynamic, the centrifugal switch 2 being arranged on motor 1 is energized, that is, be off.
Step s2, the voltage that counter 5 passes through to produce thereon is once counted.
Step s3, motor 1 drives fictitious load 3 and radiator 31 to work after starting, after motor 1 downtime arrives, micro- place
Reason device 51 passes through to control controllable silicon 52 controlled motor 1 to shut down, and centrifugal switch 2 resets, and a test period terminates；
Step s4, microprocessor 51 continues through controllable silicon 52 controlled motor 1 and starts, repeat the above steps.
1 start-stop time of motor accounting is the cycle of motor start-stop time, that is to say motor 1 and centrifugal switch 2 power on/off
Time accounting, namely the disconnection of centrifugal switch 2 and the work period of reset, centrifugal switch 2 passes through the break-make electrical testing of durability
To test its mechanical endurance.The structure of the present invention is simple, easy to operate, safe and reliable, arbitrarily can adjust make-and-break time, and can
Realize being up to the mechanical durable test of hundreds of thousands time, thus allowing product meet design requirement.
Embodiment described above is only that the preferred embodiment of the present invention is described, the not model to the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, the technical side to the present invention for the those of ordinary skill in the art
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.
Claims (7)
1. a kind of motor centrifugal switch device for testing endurance, including the motor being provided with centrifugal switch being connected with power supply, its
It is characterised by: the controller for controlled motor start and stop also including being connected with input end of motor is connected with motor output end
Fictitious load and the counter in parallel with controller.
2. as claimed in claim 1 a kind of motor centrifugal switch device for testing endurance it is characterised in that: described controller bag
Include the microprocessor for the controlled motor start and stop cycle.
3. as claimed in claim 1 a kind of motor centrifugal switch device for testing endurance it is characterised in that: also include being connected on
Fuse between controller and power supply.
4. as claimed in claim 1 a kind of motor centrifugal switch device for testing endurance it is characterised in that: described fictitious load
It is provided with radiator.
5. the method for testing of described a kind of motor centrifugal switch device for testing endurance as arbitrary in claim 1-4, its feature
It is: the method comprises the following steps:
Step s1, controller controlled motor is opened, and centrifugal switch energising, that is, be off simultaneously；
Step s2, counter is once counted；
Step s3, controller controlled motor is shut down, and centrifugal switch resets, and a test period terminates；
Step s4, repeat step s1 ~ step s3.
6. as claimed in claim 5 a kind of method of testing of motor centrifugal switch device for testing endurance it is characterised in that: step
Rapid s1 concretely comprises the following steps, and microprocessor 51 passes through to control controllable silicon 52 controlled motor 1 to start, and is arranged on the centrifugation on motor 1
Switch 2 energising, that is, be off；
The concretely comprising the following steps of step s2, the voltage that counter 5 passes through to produce thereon is once counted；
The concretely comprising the following steps of step s3, after motor 1 downtime arrives, microprocessor 51 passes through to control controllable silicon 52 controlled motor 1
Shut down, centrifugal switch 2 resets, and a test period terminates；
The concrete steps of step s4, microprocessor 51 continue through controllable silicon 52 controlled motor 1 start and shut down repeat step s1 ~
Step s3.
7. the method for testing of a kind of motor centrifugal switch device for testing endurance as described in claim 5 or 6, its feature exists
In: described test period is cycle motor start-stop time, and the motor start-stop time is controlled by microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669995.XA CN106338686A (en) | 2016-08-15 | 2016-08-15 | Motor centrifugal switch durability test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669995.XA CN106338686A (en) | 2016-08-15 | 2016-08-15 | Motor centrifugal switch durability test device and test method |
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| Publication Number | Publication Date |
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| CN106338686A true CN106338686A (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610669995.XA Pending CN106338686A (en) | 2016-08-15 | 2016-08-15 | Motor centrifugal switch durability test device and test method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201298067Y (en) * | 2008-11-05 | 2009-08-26 | 环一军 | Device for testing service life of motor in centrifugal switch type dryer |
| CN101726703A (en) * | 2009-12-17 | 2010-06-09 | 慈溪威力电机制造有限公司 | Single-phase motor centrifugal switch tester |
| CN201589852U (en) * | 2009-12-17 | 2010-09-22 | 慈溪威力电机制造有限公司 | Single-phase motor centrifugal switch tester |
| CN102355174A (en) * | 2011-08-16 | 2012-02-15 | 罗洪洪 | Electronic centrifugal switch and test method thereof |
| US20140132199A1 (en) * | 2011-03-01 | 2014-05-15 | Whirlpool S.A. | Method for starting a single-phase induction motor, starting device for a single-phase motor and starting system therefor |
| CN204740114U (en) * | 2015-06-29 | 2015-11-04 | 湖南工程学院 | Double -fed formula wind generating set shafting vibration testing device |
-
2016
- 2016-08-15 CN CN201610669995.XA patent/CN106338686A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201298067Y (en) * | 2008-11-05 | 2009-08-26 | 环一军 | Device for testing service life of motor in centrifugal switch type dryer |
| CN101726703A (en) * | 2009-12-17 | 2010-06-09 | 慈溪威力电机制造有限公司 | Single-phase motor centrifugal switch tester |
| CN201589852U (en) * | 2009-12-17 | 2010-09-22 | 慈溪威力电机制造有限公司 | Single-phase motor centrifugal switch tester |
| US20140132199A1 (en) * | 2011-03-01 | 2014-05-15 | Whirlpool S.A. | Method for starting a single-phase induction motor, starting device for a single-phase motor and starting system therefor |
| CN102355174A (en) * | 2011-08-16 | 2012-02-15 | 罗洪洪 | Electronic centrifugal switch and test method thereof |
| CN204740114U (en) * | 2015-06-29 | 2015-11-04 | 湖南工程学院 | Double -fed formula wind generating set shafting vibration testing device |
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Application publication date: 20170118 |