CN202141793U - Automotive air conditioner servo motor measuring system based on labview - Google Patents
Automotive air conditioner servo motor measuring system based on labview Download PDFInfo
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- CN202141793U CN202141793U CN201120254204U CN201120254204U CN202141793U CN 202141793 U CN202141793 U CN 202141793U CN 201120254204 U CN201120254204 U CN 201120254204U CN 201120254204 U CN201120254204 U CN 201120254204U CN 202141793 U CN202141793 U CN 202141793U
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- servomotor
- labview
- servo motor
- measuring system
- measuring
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Abstract
The utility model discloses an automotive air conditioner servo motor measuring system based on labview. Digital signals outputting control instructions of a measuring controller are converted into analog signals through a peripheral component interconnect (PCI) collecting card, an operation posture of a servo motor is controlled, parameters of the servo motor collected in real time by a collecting unit and feedback signals output by the servo motor are converted to digital signals, the input signals are processed by a measuring controller provided with a labview system, and processing results are output by a display. The automotive air conditioner servo motor measuring system based on the labview can measure performance parameters of the servo motor under different operating modes, timely measure parameters such as operating angle, feedback voltage, acoustic sound level and abnormal sound, degree of linearity and stall torque of at least one servo motor, and avoid the problem that a hardware circuit is complicated, not easy to adjust when a logic circuit or a single chip microcomputer is adopted, and is convenient to programme.
Description
Technical field
The utility model relates to the automobile air conditioning technology field, the system that particularly a kind of noise, abnormal sound and stalling torque of the servomotor to air conditioning for automobiles measured.
Background technology
Air conditioning for automobiles servomotor product is made up of plastic casing, micromotor, plastic teeth wheels and position transducer elements such as (carbon-film potentiometers); Powering up rotation through motor drives train of reduction gears and drives position transducer; Whether the position sensor feedback voltage signal confirms the in-position and cuts off the power supply for control module (being air conditioning for automobiles ECU), realizes an angle output device of closed-loop control.
Development along with automotive engineering; The increase of air conditioning for automobiles servomotor demand; Auto vendor requires also increasingly high to the performance parameter of servomotor, for example to electric current, noise decibel value and abnormal sound, the linearity (carbon-film potentiometer), feedback (control) magnitude of voltage corresponding angle position of motor positive and negative running under unloaded, load and the angle location of turn round angle, rotating speed, stalling torque, locked rotor current and final products output shaft shipment position.
In the past, mostly the production measuring equipment of automobile servomotor or frock were that single performance parameter measured and the special measurement equipment of exploitation, made that to measure operation many, and production efficiency is low, measuring equipment or frock are many and bring management inconvenience; And some parameter receives the influence of production environment, and like noise decibel, motor rotation abnormal sound, the abnormal sound when ear of taking to choose is distinguished sound size with running can't the measures of quantization value, measurement of factor, does not reach the quality requirements that the air conditioning for automobiles industry improves day by day.
At present, some measuring system is to measure with logical circuit or chip microcontroller in the industry, though the method is feasible, is difficult for adjustment owing to the hardware circuit complicacy and after processing, so has certain limitation.And programming also acquires a certain degree of difficulty.
The utility model content
The technical matters that the utility model mainly solves provides a kind of air conditioning for automobiles servomotor measuring system based on Labview; The complicated difficult adjustment of hardware circuit in the time of should can avoiding adopting logical circuit or single-chip microcomputer based on the air conditioning for automobiles servomotor measuring system of Labview, convenient simultaneously programming.
In order to address the above problem; The utility model provides a kind of air conditioning for automobiles servomotor measuring system based on Labview; Should comprise at least one servomotor and the motor drive power supply that is connected with this servomotor based on the air conditioning for automobiles servomotor measuring system of Labview; Wherein, this motor drive power supply is connected with measuring and processing unit through capture card PIC, and said capture card PIC also is connected with at least one collecting unit of gathering the servomotor operational factor; This measuring and processing unit comprises measurement controller and the storer that is provided with the Labview instruction, and the display that is connected with this measurement controller.
Furtherly, said measuring and processing unit also comprises and measures controller and is connected the also printer of exportable measurement result.
Furtherly, said at least one collecting unit comprise through capture card PCI with measure angular transducer that controller is connected, sound meter or/and current sensor.
Furtherly, said at least one collecting unit comprises the resistance gauge that is connected with capture card PCI through the resistance controller.
The utility model is based on the air conditioning for automobiles servomotor measuring system of Labview; The digital signal that to measure controller output steering order through the PCI capture card converts the simulation signal into; Control servomotor operation attitude; And convert the feedback signal that said collecting unit is gathered the output of servomotor parameter and servomotor in real time into digital signal; By the measurement controller of establishing the labview software systems signal of input is handled, preserved the data of collecting unit collection again by display this result of output or/and by storer.Because being somebody's turn to do can be to the measurement of different working modes servomotor performance parameter based on the air conditioning for automobiles servomotor measuring system of Labview; Accomplish like disposable, the high timeliness of ability, high precision such as product running angle, feedback voltage, noise decibel and abnormal sound, the linearity, stalling torques, especially the measuring technique and the mode of the noise decibel value of servomotor running, noise abnormal sound (spectral boundaries measuring technique), stalling torque; Measuring system can be accomplished many servomotor measuring task simultaneously, cost performance is high, efficient is high.
Description of drawings
Fig. 1 is the air conditioning for automobiles servomotor measuring system embodiment theory diagram of the utility model based on Labview.
Below in conjunction with embodiment, and with reference to accompanying drawing, realization, functional characteristics and the advantage of the utility model purpose is described further.
Embodiment
As shown in Figure 1, the utility model provides a kind of air conditioning for automobiles servomotor measuring system embodiment based on Labview.
Should comprise at least one servomotor 4 and the motor drive power supply 3 that is connected with this servomotor 4 based on the air conditioning for automobiles servomotor measuring system of Labview; Wherein, This motor drive power supply 3 is connected with measuring and processing unit 1 through capture card PIC2; Said capture card PIC2 also is connected with at least one collecting unit 5 of gathering servomotor 4 operational factors; This measuring and processing unit 1 comprises the measurement controller 10 and storer 11 that is provided with the Labview instruction, and the display 12 that is connected with this measurement controller.
Said measuring and processing unit 1 also comprises and measures controller 10 and is connected the also printer 13 of exportable measurement result.Said at least one collecting unit 5 comprise through capture card PCI 2 with measure angular transducer 55 that controller 10 is connected, sound meter 52 or/and current sensor 51.Said at least one collecting unit 5 also comprises the resistance gauge 53 that is connected with capture card PC2I through resistance controller 54.
The effect that reaches for more all right this servomotor measuring system, its course of work specifically.
When measuring; Servomotor to be measured is placed test board, and operating measurement software is by the angle value of capture card PCI this servomotor feedback voltage of collection and output shaft; Confirm that whether servomotor is in clockwise position; When servomotor during not in clockwise position, measure the numeral output control signal of controller control capture card PCI and give the servo-drive power supply, make servomotor running to position clockwise or be preset with reset position;
Measuring controller instructs according to Labview; The output control signal; And through adopting card PCI control motor to running counterclockwise; Be located at the sound meter that places servomotor top and link to each other with the measure-controlling unit serial ports through the RS-232C interface, read the size of transient state decibel value in the servomotor operation process by the measurement controller, this measure-controlling unit can adopt active computer.
The output of the audio frequency of sound meter RS-232C interface links to each other with capture card PCI2 analog input AI passage, and the sound signal of collection servomotor adopts whether abnormal sound of existing technology determination; Gather simultaneously in real time the feedback voltage of servomotor in operation process, angular transducer or/and the synchronizing signal of current sensor; After capture card PCIA/D converts digital signal into, accomplish by the measurement controller that is provided with labview software signal read, analyzes and calculate product in correlated performance parameters such as the anticlockwise no-load current of light condition, noise decibel value and product abnormal sound, the carbon film linearity, rotating speeds;
The utility model is based on the air conditioning for automobiles servomotor measuring system of Labview; The digital signal that to measure controller output steering order through the PCI capture card converts the simulation signal into; Control servomotor operation attitude; And convert the feedback signal that said collecting unit is gathered the output of servomotor parameter and servomotor in real time into digital signal; By the measurement controller of establishing the labview software systems signal of input is handled, preserved the data of collecting unit collection again by display this result of output or/and by storer.Because being somebody's turn to do can be to the measurement of different working modes servomotor performance parameter based on the air conditioning for automobiles servomotor measuring system of Labview; Accomplish like disposable, the high timeliness of ability, high precision such as product running angle, feedback voltage, noise decibel and abnormal sound, the linearity, stalling torques, especially the measuring technique and the mode of the noise decibel value of servomotor running, noise abnormal sound (spectral boundaries measuring technique), stalling torque; Measuring system can be accomplished many servomotor measuring task simultaneously, cost performance is high, efficient is high.
The above is merely the preferred embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (4)
1. based on the air conditioning for automobiles servomotor measuring system of Labview, it is characterized in that:
It comprises at least one servomotor and the motor drive power supply that is connected with this servomotor; Wherein, This motor drive power supply is connected with measuring and processing unit through capture card PIC; Said capture card PIC also is connected with at least one collecting unit of gathering the servomotor operational factor, and this measuring and processing unit comprises measurement controller and the storer that is provided with the Labview instruction, and the display that is connected with this measurement controller.
2. the air conditioning for automobiles servomotor measuring system based on Labview according to claim 1 is characterized in that:
Said measuring and processing unit also comprises and measures controller and is connected the also printer of exportable measurement result.
3. the air conditioning for automobiles servomotor measuring system based on Labview according to claim 1 is characterized in that:
Said at least one collecting unit comprise through capture card PCI with measure angular transducer that controller is connected, sound meter or/and current sensor.
4. the air conditioning for automobiles servomotor measuring system based on Labview according to claim 1 is characterized in that:
Said at least one collecting unit comprises the resistance gauge that is connected with capture card PCI through the resistance controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120254204U CN202141793U (en) | 2011-07-18 | 2011-07-18 | Automotive air conditioner servo motor measuring system based on labview |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120254204U CN202141793U (en) | 2011-07-18 | 2011-07-18 | Automotive air conditioner servo motor measuring system based on labview |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202141793U true CN202141793U (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120254204U Expired - Lifetime CN202141793U (en) | 2011-07-18 | 2011-07-18 | Automotive air conditioner servo motor measuring system based on labview |
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| CN (1) | CN202141793U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237787A (en) * | 2014-09-18 | 2014-12-24 | 国网河南禹州市供电公司 | LabVIEW based motor speed test system and test method thereof |
| CN105372062A (en) * | 2015-11-17 | 2016-03-02 | 湖北开特汽车电子电器系统股份有限公司 | Method of detecting automobile air conditioning gear train coordination based on transient current, system and applications |
| CN106249091A (en) * | 2016-10-19 | 2016-12-21 | 江苏理工学院 | A kind of air door actuator of automobile air-conditioner linearity detector and detection method thereof |
| CN118112417A (en) * | 2024-04-30 | 2024-05-31 | 普诚创智（成都）科技有限公司 | Motor locked rotor detection method and system and storage medium |
-
2011
- 2011-07-18 CN CN201120254204U patent/CN202141793U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237787A (en) * | 2014-09-18 | 2014-12-24 | 国网河南禹州市供电公司 | LabVIEW based motor speed test system and test method thereof |
| CN105372062A (en) * | 2015-11-17 | 2016-03-02 | 湖北开特汽车电子电器系统股份有限公司 | Method of detecting automobile air conditioning gear train coordination based on transient current, system and applications |
| CN105372062B (en) * | 2015-11-17 | 2018-06-19 | 湖北开特汽车电子电器系统股份有限公司 | Air conditioning for automobiles gear train conformability method, system and application are surveyed based on transient current |
| CN106249091A (en) * | 2016-10-19 | 2016-12-21 | 江苏理工学院 | A kind of air door actuator of automobile air-conditioner linearity detector and detection method thereof |
| CN106249091B (en) * | 2016-10-19 | 2019-03-15 | 江苏理工学院 | A kind of air door actuator of automobile air-conditioner linearity detector and its detection method |
| CN118112417A (en) * | 2024-04-30 | 2024-05-31 | 普诚创智（成都）科技有限公司 | Motor locked rotor detection method and system and storage medium |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |