CN105182233B - Air conditioning for automobiles assembly motor detection system - Google Patents
Air conditioning for automobiles assembly motor detection system Download PDFInfo
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- CN105182233B CN105182233B CN201510504533.8A CN201510504533A CN105182233B CN 105182233 B CN105182233 B CN 105182233B CN 201510504533 A CN201510504533 A CN 201510504533A CN 105182233 B CN105182233 B CN 105182233B
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000004378 air conditioning Methods 0.000 title claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 claims description 3
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 claims description 3
- 102100021133 Nuclear protein 1 Human genes 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003908 quality control method Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
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Abstract
The present invention relates to automobile air conditioning technology fields, are specifically related to a kind of air conditioning for automobiles assembly motor detection system.Using the characteristic of PLC high speed, stable, accurate etc. as the core of detector, PTC and touch screen is supported to carry out human-computer dialogue using the higher A/D conversion module of resolution ratio.Various motor interfaces are connected with one end of detection harness, other end connecting detection instrument is quickly to interface.Start button is pressed, plc assigns various instructions and is acquired data, and data, which are sent in A/D module, carries out digital-to-analogue conversion, is re-fed into plc and carries out data processing, and processing result and the parameter upper lower limit value set are compared judgement.The test of the voltage, electric current, revolving speed of air blower of the detection equipped with air conditioner blower speed adjusting module or speed adjusting resistance.Detect voltage, electric current, the feedback voltage level of various air-conditioning servo motors.The voltage of various parameters, the upper limit value and lower limit value of electric current, feedback voltage, revolving speed can be respectively set.
Description
Technical field
The present invention relates to automobile air conditioning technology fields, are specifically related to a kind of air conditioning for automobiles assembly motor detection system.
Background technique
As time goes on, air conditioning for automobiles industry quality requirement is higher and higher.For air conditioning for automobiles assembly motor component,
This air conditioning for automobiles assembly electric machines test instrument carrys out acquisition various air conditioner blowers, air-conditioning servo motor acquisition testing signal
Voltage, electric current, feedback voltage etc. signal carry out a series of data processing, reflect air blower on the touchscreen, various watch
The information such as voltage, electric current, revolving speed, the feedback voltage of motor at work are taken, are judged according to the various information of acquisition various
Quality problems, general assembly problem, the components quality problems of motor.Avoid quality control personnel from going to touch by experience, listen,
See, hear etc. that means go judgement and the information of bring inaccuracy and are delayed the production time.
Summary of the invention
For the technical problems in the prior art, the purpose of the present invention is to provide a kind of air conditioning for automobiles assembly motors
Detection system.
To achieve the goals above, the technical scheme adopted by the invention is as follows: a kind of air conditioning for automobiles assembly electric machines test system
System, breaker input terminal connect AC220V, and breaker output end connects PLC, DC5V Switching Power Supply, DC24V Switching Power Supply, exchange
The input terminal of contactor；
DC5V switched power output connects the both ends fed power supplies P3, P4 of mode motor, temperature motor respectively；DC5V switch
Power supply DC output end also connects in two groups of normally opened contact upper ends of the DC relay Y6 (10A) of control temperature sensor power supply
Head；Two groups of normally opened contact lower ends (WC+1, WC-) of DC relay Y6 (10A), WC+1 respectively with the V+ in the channel 2#4AD 1,
Current transducer CT3 current input terminal 1 connects, the WC- and V- in the channel 2#4AD 1, the temperature sensor of air conditioning for automobiles assembly system
Cathode connection；
DC12V/24V Switching Power Supply direct current cathode output end merges into one (M-), is connect respectively in 1-3#4AD modular power source
Port；Connect the cathode in Y0-Y7, Y10-Y12, Y20, Y21 DC relay coil；It connects in Y0-Y7, Y10-Y12 direct current relay
Each group relay normally opened contact upper end of device；It connects on FED plate working power cathode and the negative power supply of speed adjusting module；
Also connect the end COM4 of 4 feet in circulation motor voltage transmitter voltage input end, PLC.DC12V/24V Switching Power Supply direct-flow positive pole
Output end connects each two groups of normally opened contact upper ends in Y20, Y21 DC relay (20A), Y20, Y21 DC relay respectively
Each two groups of normally opened contact lower ends of (20A) merge into one (M+).Wherein DC24V Switching Power Supply anode also connects PLC's
COM1/COM2/COM3/COM5 mouthfuls of ends, 1-3#4AD modular power source anode port, FET plate working power anode port；
Blower motor electrode input end, 50V voltage transmitter PT1 voltage input end 1 with pass through 30A punching electric current pick-up
The M+ connection [each two groups of normally opened contact lower ends of Y20, Y21 DC relay (20A) merge into a M+] of device.Air blast is electromechanical
Machine negative input, 50V voltage transmitter PT1 voltage input end 4 by aviation plug and air blower speed adjusting resistance MI (4 grades),
The connection of speed adjusting module power input.
The 2A current transducer CT2 current input terminal 1 of circulation motor is connect with DC power supply M+, DC relay Y4, Y5
Each two groups of normally opened contact upper ends (X+, M-) connect respectively with current transducer CT2 current input terminal 4.DC relay Y4,
Each two groups of normally opened contact lower ends (X-P1, X-P2) of Y5 meet P1, P2 of circulation motor respectively；
10A relay Y7/Y10 normally opened contact input terminal is connect with 2A transmitter CT4 current output terminal, DC power supply M-；
10A relay Y7/Y10 normally opened contact output end is connect with mode motor power both ends；Mode motor feedback port respectively with
DC5V, 2#4AD connection；
10A relay Y11/Y12 normally opened contact input terminal is connect with 2A transmitter CT5 current output terminal, DC power supply M-；
10A relay Y11/Y12 normally opened contact output end is connect with temperature motor power both ends；Temperature motor feedback port respectively with
DC5V, 3#4AD connection；
The I/O output end of PLC is connect with Y0-Y13/Y20-Y21 relay, FET plate respectively.
The method detected using the detection system to air conditioning for automobiles assembly motor, steps are as follows:
Assuming that detection voltage is 12V, air blower selects speed adjusting resistance, connects corresponding detection harness respectively, and PLC makes Y21
The actuating of relay；
A, when pressing start button X0, relay Y0 movement, DC power anode by 30A punching current transducer from
Blower power supply anode flow direction motor negative terminal, then the end DC power supply M- is returned to through speed adjusting resistance；Electric current, voltage transformer acquisition electricity
Stream, voltage signal are constantly sent in 4AD and carry out digital-to-analogue conversion, and the signal of conversion is sent into PLC, automatic according to the program in PLC
With the value multilevel iudge of setting, electric current, voltage equivalence are re-fed into touch screen by PLC and are shown；First acquire motor action again
Corresponding data-signal is sent in PLC to make comparing and sentence after handling the data-signal constantly acquired according to setting detection time
It is disconnected；
B, when pressing start button X0, relay Y4-Y12 is connected according to PLC program respectively, circulation motor, mode electricity
Machine, temperature motor, temperature sensor work once electrified, corresponding current transducer, voltage transmitter acquisition signal be sent in 4AD into
Row digital-to-analogue conversion, the signal after conversion are sent in PLC, according to the program in PLC automatically with the value multilevel iudge of setting, electric current,
Voltage equivalence is re-fed into touch screen by PLC to be shown；
C, after detection, PLC stops the corresponding actuating of relay to delivery position according to the factory delivery position of setting
It sets.
Air conditioning for automobiles assembly motor detection system of the invention, its advantages are shown in:
1, detection time is fast, improves production capacity.
2, testing result is accurate, reduces Quality Inspector, operator's workload.
3, human-computer dialogue, clearly, intuitively, conveniently.
4, failure rate is low, reduces maintenance personal's maintenance time, reduces maintenance cost.
5, multi-product detects, and saves one detection device cost of buying order, is suitble to multifunctional pipeline.
6, parameter, the protection of setup parameter double code are checked, prevents from artificially modifying phenomenon.
7, warning function is powerful.Sound-light alarm, the alarm of touch screen horse race lamp, operator readily appreciate that it is specific what
Lattice unable to close the eyes.
Detailed description of the invention
Fig. 1 is the overhaul flow chart of air conditioning for automobiles assembly motor detection system of the invention.
Fig. 2 is the electrical schematic diagram of air conditioning for automobiles assembly motor detection system of the invention.
Fig. 3 is the electronic circuit FET plate of blower module detection.
Specific embodiment
To further describe the present invention, invention is further described in detail with reference to the accompanying drawings and examples, but simultaneously
Therefore within the scope of embodiments not limited the present invention to.
It please referring to shown in Fig. 1-3, a kind of air conditioning for automobiles assembly motor detection system, breaker input terminal connects AC220V,
Breaker output end connect PLC, DC5V Switching Power Supply, DC24V Switching Power Supply, A.C. contactor input terminal.
DC5V switched power output connects the both ends fed power supplies P3, P4 of mode motor, temperature motor respectively.DC5V switch
Power supply DC output end also connects in two groups of normally opened contact upper ends of the DC relay Y6 (10A) of control temperature sensor power supply
Head；Two groups of normally opened contact lower ends (WC+1, WC-) of DC relay Y6 (10A), WC+1 respectively with the V+ in the channel 2#4AD 1,
Current transducer CT3 current input terminal 1 connects, the WC- and V- in the channel 2#4AD 1, the temperature sensor of air conditioning for automobiles assembly system
Cathode connection.
DC12V/24V Switching Power Supply direct current cathode output end merges into one (M-), is connect respectively in 1-3#4AD modular power source
Port；Connect the cathode in Y0-Y7, Y10-Y12, Y20, Y21 DC relay coil；It connects in Y0-Y7, Y10-Y12 direct current relay
Each group relay normally opened contact upper end of device；It connects on FED plate working power cathode and the negative power supply of speed adjusting module；
Also connect the end COM4 of 4 feet in circulation motor voltage transmitter voltage input end, PLC.DC12V/24V Switching Power Supply direct-flow positive pole
Output end connects each two groups of normally opened contact upper ends in Y20, Y21 DC relay (20A), Y20, Y21 DC relay respectively
Each two groups of normally opened contact lower ends of (20A) merge into one (M+).Wherein DC24V Switching Power Supply anode also connects PLC's
COM1/COM2/COM3/COM5 mouthfuls of ends, 1-3#4AD modular power source anode port, FET plate working power anode port；
Blower motor electrode input end, 50V voltage transmitter PT1 voltage input end 1 with pass through 30A punching electric current pick-up
The M+ connection [each two groups of normally opened contact lower ends of Y20, Y21 DC relay (20A) merge into a M+] of device.Air blast is electromechanical
Machine negative input, 50V voltage transmitter PT1 voltage input end 4 by aviation plug and air blower speed adjusting resistance MI (4 grades),
The connection of speed adjusting module power input.
The 2A current transducer CT2 current input terminal 1 of circulation motor is connect with DC power supply M+, DC relay Y4, Y5
Each two groups of normally opened contact upper ends (X+, M-) connect respectively with current transducer CT2 current input terminal 4.DC relay Y4,
Each two groups of normally opened contact lower ends (X-P1, X-P2) of Y5 meet P1, P2 of circulation motor respectively.
10A relay Y7/Y10 normally opened contact input terminal is connect with 2A transmitter CT4 current output terminal, DC power supply M-.
10A relay Y7/Y10 normally opened contact output end is connect with mode motor power both ends.Mode motor feedback port respectively with
DC5V, 2#4AD connection.
10A relay Y11/Y12 normally opened contact input terminal is connect with 2A transmitter CT5 current output terminal, DC power supply M-.
10A relay Y11/Y12 normally opened contact output end is connect with temperature motor power both ends.Temperature motor feedback port respectively with
DC5V, 3#4AD connection.
The I/O output end of PLC is connect with Y0-Y13/Y20-Y21 relay, FET plate respectively.
The step of specific detection method, is as follows:
Assuming that detection voltage is 12V, air blower selects speed adjusting resistance, connects corresponding detection harness respectively, and PLC makes Y21
The actuating of relay；
A, when pressing start button X0, relay Y0 movement, DC power anode by 30A punching current transducer from
Blower power supply anode flow direction motor negative terminal, then the end DC power supply M- is returned to through speed adjusting resistance；Electric current, voltage transformer acquisition electricity
Stream, voltage signal are constantly sent in 4AD and carry out digital-to-analogue conversion, and the signal of conversion is sent into PLC, automatic according to the program in PLC
With the value multilevel iudge of setting, electric current, voltage equivalence are re-fed into touch screen by PLC and are shown；First acquire motor action again
Corresponding data-signal is sent in PLC to make comparing and sentence after handling the data-signal constantly acquired according to setting detection time
It is disconnected；
B, when pressing start button X0, relay Y4-Y12 is connected according to PLC program respectively, circulation motor, mode electricity
Machine, temperature motor, temperature sensor work once electrified, corresponding current transducer, voltage transmitter acquisition signal be sent in 4AD into
Row digital-to-analogue conversion, the signal after conversion are sent in PLC, according to the program in PLC automatically with the value multilevel iudge of setting, electric current,
Voltage equivalence is re-fed into touch screen by PLC to be shown；
C, after detection, PLC stops the corresponding actuating of relay to delivery position according to the factory delivery position of setting
It sets.
Air conditioning for automobiles assembly motor detection system of the invention, testing principle are as follows:
Using the characteristic of PLC high speed, stable, accurate etc. as the core of detector, turned using the higher A/D of resolution ratio
Changing the mold block supports PTC and touch screen to carry out human-computer dialogue.Various motor interfaces, other end connection are connected with one end of detection harness
Detector is quickly to interface.Start button is pressed, plc assigns various instructions and is acquired data, and data are sent in A/D module
Digital-to-analogue conversion is carried out, is re-fed into plc and carries out data processing, processing result and the parameter upper lower limit value set are compared and sentence
It is disconnected.
Air conditioning for automobiles assembly motor detection system of the invention, major function performance are as follows:
1, the test of the voltage, electric current, revolving speed of air blower of the detection equipped with air conditioner blower speed adjusting module or speed adjusting resistance.
2, voltage, electric current, the feedback voltage level of various air-conditioning servo motors are detected.
3, the voltage of various parameters, the upper limit value and lower limit value of electric current, feedback voltage, revolving speed can be respectively set.
4, the testing product time can arbitrarily set.
5, using one-touch detection: only needing to press start button, remaining detector automatic data collection simultaneously judges.
6, testing result is judged automatically and distinguishes its detailed qualified, defective item with color and totally whether closes
It is lattice, unqualified.
7, second of automatic detection is carried out to underproof project, prevents man-made fault from causing to judge by accident.
8, sound-light alarm is carried out when detecting unqualified automatically and touches the horse race lamp alarm of the unqualified content of screen display.
9, human-computer dialogue is carried out using touch screen, display is clear, beautiful, quick.
10, motor position can be automatically adjusted to the factory delivery position of setting after the detection of air-conditioning servo motor.
Air conditioning for automobiles assembly motor detection system of the invention, operating method and points for attention are as follows:
1, operate before ask connecting detection instrument that need to detect product wiring harness interface, connect respectively air blower, servo motor it is each
Item harness is to interface
2, detector power supply is connected, the name of product program of detection is wanted in selection on the touchscreen.Touch screen jumps automatically
It is shown to corresponding detection picture
3, into testing product title programs menu, selection parameter setting.Various parameters are inputted in Parameter Set-up Menu.
4, name of product programs menu is returned, presses start button, detector automatically begins to that various motors is made to work and receives
Collection data judge testing result.
5, after testing result is shown, next process is respectively enterd according to testing result, detection is whole to be terminated.
If 6, the product parameters that need to be detected, which have been set, can omit step 3.
7, when replacing testing product program, it is necessary to press " Program reset " key and press your program to be set again.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (2)
1. a kind of air conditioning for automobiles assembly motor detection system, it is characterised in that:
Breaker input terminal connects AC220V, and breaker output end connects PLC, DC5V Switching Power Supply, DC24V Switching Power Supply, hands over
Flow the input terminal of contactor；
DC5V switched power output connects the both ends fed power supplies P3, P4 of mode motor, temperature motor respectively；DC5V Switching Power Supply
DC output end also connects two groups of normally opened contact upper ends in the DC relay Y6 of control temperature sensor power supply；Direct current relay
Two groups of normally opened contact lower end WC+1, WC- of device Y6, WC+1 are defeated with the V+ in the channel 2#4AD 1, current transducer CT3 electric current respectively
Enter 1 connection of end, WC- is connect with the temperature sensor cathode of the V- in the channel 2#4AD 1, air conditioning for automobiles assembly system；
DC12V/24V Switching Power Supply direct current cathode output end merges into a M-, is connect respectively in 1-3#4AD modular power source port；
Connect the cathode in Y0-Y7, Y10-Y12, Y20, Y21 DC relay coil；It connects in each of Y0-Y7, Y10-Y12 DC relay
One group relay normally opened contact upper end；It connects on FED plate working power cathode and the negative power supply of speed adjusting module；Also connect
The end COM4 of 4 feet of circulation motor voltage transmitter voltage input end, PLC；DC12V/24V Switching Power Supply direct-flow positive pole output end
Each two groups of normally opened contact upper ends in Y20, Y21 DC relay are connect respectively, and each two groups of Y20, Y21 DC relay are normally opened
Contact lower end merges into a M+；Wherein DC24V Switching Power Supply anode also connects the COM1/COM2/COM3/COM5 mouth in PLC
End, 1-3#4AD modular power source anode port, FET plate working power anode port；
Blower motor electrode input end, 50V voltage transmitter PT1 voltage input end 1 and pass through 30A punching current transducer
Each two groups of normally opened contact lower ends of M+ connection, Y20, Y21 DC relay merge into a M+；The input of blower motor cathode
End, 50V voltage transmitter PT1 voltage input end 4 pass through aviation plug and air blower speed adjusting resistance MI, speed adjusting module power input
End connection；
The 2A current transducer CT2 current input terminal 1 of circulation motor is connect with DC power supply M+, and DC relay Y4, Y5's is each
Two groups of normally opened contact upper ends X+, M- are connect with current transducer CT2 current input terminal 4 respectively；DC relay Y4, Y5's is each
Two groups of normally opened contact lower ends X-P1, X-P2 meet P1, P2 of circulation motor respectively；
10A relay Y7/Y10 normally opened contact input terminal is connect with 2A transmitter CT4 current output terminal, DC power supply M-；10A after
Electric appliance Y7/Y10 normally opened contact output end is connect with mode motor power both ends；Mode motor feedback port respectively with DC5V, 2#
4AD connection；
10A relay Y11/Y12 normally opened contact input terminal is connect with 2A transmitter CT5 current output terminal, DC power supply M-；10A
Relay Y11/Y12 normally opened contact output end is connect with temperature motor power both ends；Temperature motor feedback port respectively with DC5V,
3#4AD connection；
The I/O output end of PLC is connect with Y0-Y13/Y20-Y21 relay, FET plate respectively.
2. a kind of method detected using detection system as described in claim 1 to air conditioning for automobiles assembly motor, feature
Be: steps are as follows:
Assuming that detection voltage is 12V, air blower selects speed adjusting resistance, connects corresponding detection harness respectively, and PLC makes Y21 relay
Device movement；
A, when pressing start button X0, relay Y0 movement, DC power anode passes through 30A punching current transducer from air blast
Electromechanical source anode flow direction motor negative terminal, then the end DC power supply M- is returned to through speed adjusting resistance；Electric current, voltage transformer acquisition electric current,
Voltage signal, which is constantly sent in 4AD, carries out digital-to-analogue conversion, and the signal of conversion is sent into PLC, according to the program in PLC automatically with set
Fixed value multilevel iudge, electric current, voltage equivalence are re-fed into touch screen by PLC and are shown；Acquire motor action again accordingly
Data-signal, according to setting detection time being sent in PLC after the data-signal processing constantly acquired and make multilevel iudge；
B, when pressing start button X0, relay Y4-Y12 is connected according to PLC program respectively, circulation motor, mode motor, temperature
Motor, temperature sensor work once electrified are spent, corresponding current transducer, voltage transmitter acquisition signal are sent in 4AD and are counted
Mould conversion, the signal after conversion is sent in PLC, according to the program in PLC automatically with the value multilevel iudge of setting, electric current, voltage
Equivalence is re-fed into touch screen by PLC to be shown；
C, after detection, PLC stops the corresponding actuating of relay to delivery position according to the factory delivery position of setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510504533.8A CN105182233B (en) | 2015-08-17 | 2015-08-17 | Air conditioning for automobiles assembly motor detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504533.8A CN105182233B (en) | 2015-08-17 | 2015-08-17 | Air conditioning for automobiles assembly motor detection system |
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| CN105182233B true CN105182233B (en) | 2019-01-18 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717914B (en) * | 2016-02-05 | 2018-10-12 | 杭州益泰科智能科技有限公司 | The detection method of the detecting system of on-board air conditioner control panel |
| CN106768072B (en) * | 2017-01-25 | 2022-12-13 | 重庆华之龙汽车制冷系统有限公司 | Comprehensive detection circuit, comprehensive detection system and working method of blower |
| CN108562848A (en) * | 2018-07-10 | 2018-09-21 | 镇江苏润电子科技有限公司 | Brush-Less DC motor control board checking device |
| CN109004871B (en) * | 2018-07-19 | 2019-11-26 | 温州长江汽车电子有限公司 | A kind of time progress control method of on-board air conditioner controller direct current generator |
| CN109633438A (en) * | 2018-12-06 | 2019-04-16 | 格力电器（芜湖）有限公司 | Motor comprehensive performance detection method, device and equipment |
| CN111622977B (en) * | 2020-06-09 | 2022-01-11 | 江苏罗思韦尔电气有限公司 | Fault detection method and device for air blower of automobile air conditioner |
| CN112285556A (en) * | 2020-09-27 | 2021-01-29 | 芜湖莫森泰克汽车科技股份有限公司 | Quick detection method for skylight speed regulating motor |
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