CN107450020A - A kind of low pressure pitch motor functional tester - Google Patents

A kind of low pressure pitch motor functional tester Download PDF

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Publication number
CN107450020A
CN107450020A CN201710432433.8A CN201710432433A CN107450020A CN 107450020 A CN107450020 A CN 107450020A CN 201710432433 A CN201710432433 A CN 201710432433A CN 107450020 A CN107450020 A CN 107450020A
Authority
CN
China
Prior art keywords
encoder
motor
tested motor
tested
circuit
Prior art date
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.)
Pending
Application number
CN201710432433.8A
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Chinese (zh)
Inventor
李中华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU LEGO MOTORS CO Ltd
Original Assignee
SUZHOU LEGO MOTORS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU LEGO MOTORS CO Ltd filed Critical SUZHOU LEGO MOTORS CO Ltd
Priority to CN201710432433.8A priority Critical patent/CN107450020A/en
Publication of CN107450020A publication Critical patent/CN107450020A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34Testing dynamo-electric machines
    • G01R31/343Testing dynamo-electric machines in operation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

A kind of low pressure pitch motor functional tester of the present invention, it is related to electric machines test construction applications, it carries out every data test to tested motor on the basis of dynamic power supply provides electric energy, brake, blower fan, encoder in tested motor can all obtain Data Detection, including upper software and execution unit;Execution unit includes resistance measuring circuit, temperature sensor, unidirectional electrical parameter table, three phase electrical parameters table and alarm;Electrical source of power connects tested motor by three-phase inverting circuit;Three-phase inverting circuit controls the positive and negative rotation of tested motor;Encoder is controlled by encoder circuit;Three single-chip microcomputers are provided with encoder circuit;The parameter value of unidirectional parameter list measurement blower fan;Tested motor is also connected with three phase electrical parameters table and temperature sensor;Brake carries out voltage x current data test by independent single-chip microcomputer;Upper software controls execution unit according to preset value;Saltus step occurs for encoder, and upper software controls siren buzzing.

Description

A kind of low pressure pitch motor functional tester
Technical field
The present invention relates to electric machines test construction applications, more particularly to a kind of low pressure pitch motor functional tester.
Background technology
Pitch motor in wind-power electricity generation is very high to performance requirement, extremely inconvenient in high-altitude maintenance after installation, so Need to do the test of various functions before dispatching from the factory, the resistor current power that traditional electromechanical testing method can only test motor is resistance to The basic electrical properties such as pressure insulation can not meet that this electromechanical testing require that, this present tester can test electricity Every data of the function particularly encoder of all parts of machine include the saltus step of encoder.
The content of the invention
The present invention solves the technical problem of a kind of low pressure pitch motor functional tester is provided, solves tester Function restriction, is tested to tested motor numerical value not comprehensive, the problem of test event is limited.
In order to solve the above technical problems, one aspect of the present invention is to provide a kind of low pressure pitch motor function Tester, every data test carried out on the basis of dynamic power supply provides electric energy to tested motor, the system in tested motor Dynamic device, blower fan, encoder can all obtain Data Detection, including upper software and execution unit;Execution unit includes resistance measurement Circuit, temperature sensor, unidirectional electrical parameter table, three phase electrical parameters table and alarm;The electrical source of power passes through three-phase inversion electricity Road connects tested motor;The positive and negative rotation of the three-phase inverting circuit control tested motor;The encoder is by encoder circuit Control;Three single-chip microcomputers are provided with encoder circuit;Under synchronization, a single-chip microcomputer reads motor position, a monolithic Machine-readable to take current encoder position, a single-chip microcomputer and encoder last time position are compared;The unidirectional parameter list measurement The parameter value of the blower fan;The tested motor is also connected with the three phase electrical parameters table and temperature sensor;The brake leads to Cross independent single-chip microcomputer and carry out voltage x current data test;The upper software controls execution unit according to preset value;The coding Saltus step, the upper software control siren buzzing occur for device.
Preferably, the electrical source of power after 2KW/24V transformer rectification by adding super capacitor to form, the 2KW/ 24V transformer by FET composition three-phase inverting circuit control tested motor rotating, tested motor start and Electric current can arrive 500A in short-term during braking.
Preferably, the external printing device of upper software.
The beneficial effects of the invention are as follows:A kind of low pressure pitch motor functional tester is provided, exported as safe voltage, it is portable Formula design can move around, suitable for low voltage motor.Each item data when the measurable all parts of execution unit are run, passes through 3 Whether secondary rotating can test out encoder whether saltus step and encoder have loosening, and the processing speed of encoder data is That is encoder generation saltus step can detect 200 microseconds in the time of 200 microseconds.It can remember on upper software Record the data and waveform of all tests, the automatic printing quality certification after test passes, data after tested and waveform can be inquired about.
Brief description of the drawings
Fig. 1 is a kind of operation principle block diagram of low pressure pitch motor functional tester of the present invention;
Fig. 2 is the circuit diagram of motor-drive circuit;
Fig. 3 is the circuit diagram of encoder reading circuit;
Fig. 4 is the circuit diagram of temperature sensor and brake measuring circuit.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Accompanying drawing 1 to 4 is referred to, the embodiment of the present invention includes:
A kind of low pressure pitch motor functional tester, items are carried out on the basis of dynamic power supply provides electric energy to tested motor Data test, brake, blower fan, encoder in tested motor can all obtain Data Detection, including upper software and perform list Member;Execution unit includes resistance measuring circuit, temperature sensor, unidirectional electrical parameter table, three phase electrical parameters table and alarm;It is described Electrical source of power connects tested motor by three-phase inverting circuit;The positive and negative rotation of the three-phase inverting circuit control tested motor; The encoder is controlled by encoder circuit;Three single-chip microcomputers are provided with encoder circuit;Under synchronization, a single-chip microcomputer Motor position is read, a single-chip microcomputer reads current encoder position, and a single-chip microcomputer and encoder last time position are compared Compared with;The unidirectional parameter list measures the parameter value of the blower fan;The tested motor is also connected with the three phase electrical parameters table and temperature Spend sensor;The brake carries out voltage x current data test by independent single-chip microcomputer;The upper software is according to preset value Control execution unit;Saltus step, the upper software control siren buzzing occur for the encoder.The electrical source of power is by one After 2KW/24V transformer rectification plus super capacitor composition, the transformer of the 2KW/24V pass through three contraries of FET composition Become the rotating of circuit control tested motor, electric current can arrive 500A in short-term when tested motor starts and braked.The upper software External printing device.Upper software is mainly responsible for the rotating of control tested motor, what 3 cycles and acquisition execution unit were tested Each data contrast the automatic printing quality certification if data qualifier with the value of setting again, can during tested motor is run With each data of the waveform of display encoder and encoder, the rotary speed direction of tested motor, the temperature of tested motor, its apoplexy The data of machine and brake, the inertia of encoder when rotating is braked.
The low pressure pitch motor functional tester, export as safe voltage, portable design can move around, suitable for low Medium-voltage Motor.Each item data when the measurable all parts of execution unit are run, can test out encoder by 3 rotatings is No have a saltus step and whether encoder has a loosening, the processing speed of encoder data for 200 microseconds that is 200 microseconds when Between in encoder occur saltus step can detect.The data and waveform of all tests can be recorded on upper software, are tested The automatic printing quality certification, can inquire about data after tested and waveform after qualified.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, it is included within the scope of the present invention.

Claims (3)

1. a kind of low pressure pitch motor functional tester, tested motor is carried out respectively on the basis of dynamic power supply provides electric energy Item data is tested, and brake, blower fan, the encoder in tested motor can all obtain Data Detection, it is characterised in that:Including upper Software and execution unit;Execution unit includes resistance measuring circuit, temperature sensor, unidirectional electrical parameter table, three phase electrical parameters table And alarm;The electrical source of power connects tested motor by three-phase inverting circuit;The tested electricity of three-phase inverting circuit control The positive and negative rotation of machine;The encoder is controlled by encoder circuit;Three single-chip microcomputers are provided with encoder circuit;Synchronization Under, single-chip microcomputer reads motor position, and a single-chip microcomputer reads current encoder position, one on a single-chip microcomputer and encoder Secondary position is compared;The unidirectional parameter list measures the parameter value of the blower fan;The tested motor is also connected with the three-phase Electrical parameter table and temperature sensor;The brake carries out voltage x current data test by independent single-chip microcomputer;It is described upper soft Part controls execution unit according to preset value;Saltus step, the upper software control siren buzzing occur for the encoder.
A kind of 2. low pressure pitch motor functional tester according to claim 1, it is characterised in that:The electrical source of power by After one 2KW/24V transformer rectification plus super capacitor composition, the transformer of the 2KW/24V pass through the three of FET composition Phase inverter circuit controls the rotating of tested motor, and electric current can arrive 500A in short-term when tested motor starts and braked.
A kind of 3. low pressure pitch motor functional tester according to claim 1 or 2, it is characterised in that:It is described upper soft The external printing device of part.
CN201710432433.8A 2017-06-09 2017-06-09 A kind of low pressure pitch motor functional tester Pending CN107450020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710432433.8A CN107450020A (en) 2017-06-09 2017-06-09 A kind of low pressure pitch motor functional tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710432433.8A CN107450020A (en) 2017-06-09 2017-06-09 A kind of low pressure pitch motor functional tester

Publications (1)

Publication Number Publication Date
CN107450020A true CN107450020A (en) 2017-12-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710432433.8A Pending CN107450020A (en) 2017-06-09 2017-06-09 A kind of low pressure pitch motor functional tester

Country Status (1)

Country Link
CN (1) CN107450020A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112461110A (en) * 2020-11-16 2021-03-09 苏州朗高电机有限公司 Testing tool of SSI encoder

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266284A (en) * 2007-03-16 2008-09-17 北京中纺锐力机电有限公司 Switch reluctance machine rotor angular position and rotation speed detection device and method
CN201805403U (en) * 2010-06-30 2011-04-20 陈献忠 Control circuit of 30 t narrow gauge industrial and mining trolley frequency-control locomotive
WO2013032135A1 (en) * 2011-08-29 2013-03-07 대우조선해양 주식회사 System and method for detecting icing of blades of a wind power generator
CN203103960U (en) * 2013-02-04 2013-07-31 上海市电力公司 Dynamic voltage fluctuation compensator
CN105487011A (en) * 2015-11-27 2016-04-13 苏州朗高电机有限公司 Variable-pitch motor multifunctional tester
CN106405414A (en) * 2016-08-23 2017-02-15 固安华电天仁控制设备有限公司 Integrated automatic test device for wind pitch motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266284A (en) * 2007-03-16 2008-09-17 北京中纺锐力机电有限公司 Switch reluctance machine rotor angular position and rotation speed detection device and method
CN201805403U (en) * 2010-06-30 2011-04-20 陈献忠 Control circuit of 30 t narrow gauge industrial and mining trolley frequency-control locomotive
WO2013032135A1 (en) * 2011-08-29 2013-03-07 대우조선해양 주식회사 System and method for detecting icing of blades of a wind power generator
CN203103960U (en) * 2013-02-04 2013-07-31 上海市电力公司 Dynamic voltage fluctuation compensator
CN105487011A (en) * 2015-11-27 2016-04-13 苏州朗高电机有限公司 Variable-pitch motor multifunctional tester
CN106405414A (en) * 2016-08-23 2017-02-15 固安华电天仁控制设备有限公司 Integrated automatic test device for wind pitch motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112461110A (en) * 2020-11-16 2021-03-09 苏州朗高电机有限公司 Testing tool of SSI encoder

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Application publication date: 20171208

RJ01 Rejection of invention patent application after publication