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CN101344577B - Stepping motor testing system and method - Google Patents

Stepping motor testing system and method Download PDF

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Publication number
CN101344577B
CN101344577B CN2007102010760A CN200710201076A CN101344577B CN 101344577 B CN101344577 B CN 101344577B CN 2007102010760 A CN2007102010760 A CN 2007102010760A CN 200710201076 A CN200710201076 A CN 200710201076A CN 101344577 B CN101344577 B CN 101344577B
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rotation
test
step motor
stepping motor
stepper motor
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CN101344577A (en
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黄登聪
余国俊
徐华勇
曹德华
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Abstract

The invention provides a step motor test method adopting an input device, a control device, an input-output controller and a step motor driver which are sequentially connected to test whether the step motor can be qualified; wherein, a waveform generator is connected between the control device and the step motor driver. The method includes the following steps: parameters containing the running direction and test time of the step motor which are needed to be tested for the step motor are set through the input device; the input-output controller is controlled by the control device to send out control instructions and the wave generator is also controlled by the control device to send out impulse signals so as to drive the step motor to run according to the set running direction; the control device judges whether the step motor runs normally in the test time. The invention also provides a step motor test system. Adopting the test system and method can quickly and accurately complete the test to the step motor.

Description

Step motor test system and method
Technical field
The present invention relates to a kind of step motor test system and method.
Background technology
Improving and the assurance product quality, is the important content in the business activity.In order to improve and to guarantee product quality, enterprise must implement test to obtain the quality information of product and manufacture process thereof to product, according to these information the manufacture process of product is implemented control---revise and the compensation activity, make waster and reprocessed products rate drop to minimum level, finally guarantee the stability and the output consistency of product thereof of product quality forming process.
As everyone knows, the characteristics that step motor has is simple in structure, reliability is high and cost is low, can directly digital pulse signal be transformed into angular displacement, and can control the angular displacement of motor by the number of gating pulse, reaching pinpoint purpose, thus step motor by more and more widely be applied to product technical field such as numerically-controlled machine, printer, plotting apparatus.
At present, enterprise need determine test result by the mode of artificial judgment when the step motor permanance is tested, and promptly whether step motor is qualified.So not only time-consuming but also expensive, production cost increases.
Summary of the invention
In view of above content, be necessary to provide a kind of step motor test system, it can be tested the permanance of step motor automatically and accurately.
In view of above content, also be necessary to provide a kind of step motor method of testing, it can be tested the permanance of step motor automatically and accurately.
A kind of step motor test system, this system comprises input media, opertaing device, input/output control unit and the stepper motor drives that connects successively, between opertaing device and stepper motor drives, also be connected with waveform generator, described opertaing device comprises: module is set, be used for being provided with by input media the parameter of the required test of step motor, described test parameter comprises the rotation direction and the test duration of step motor; Processing module, be used for when step motor begins to test, the control waveform generator sends pulse signal to stepper motor drives and rotates to drive step motor, and control input/output control unit stepper motor drives is sent instruction, rotate according to set rotation direction with the control step motor; Judge module is used for whether occurring judging unusually according to the rotation of step motor in the test duration whether step motor is qualified.
A kind of step motor method of testing, utilize the input media, opertaing device, input/output control unit, waveform generator, the stepper motor drives test step motor that connect successively whether qualified, wherein between opertaing device and stepper motor drives, also be connected with waveform generator, this method comprises the steps: to be provided with by input media the parameter of the required test of step motor, and described parameter comprises the rotation direction and the test duration of step motor; Opertaing device control input/output control unit sends steering order and the control waveform generator sends pulse signal, rotates according to the rotation direction that is provided with to drive step motor; Opertaing device judges whether the rotation of step motor occurs unusually in the test duration.Described step motor method of testing can be implemented test to the permanance of step motor accurately.
Description of drawings
Fig. 1 is the hardware structure figure of step motor test system preferred embodiment of the present invention.
Fig. 2 is the functional block diagram of the opertaing device in the step motor test system preferred embodiment of the present invention.
Fig. 3 is the operation process chart of step motor method of testing of the present invention preferred embodiment.
Embodiment
Consulting shown in Figure 1ly, is the hardware structure figure of a kind of step motor tester table of the present invention preferred embodiment.This board comprises input media 3, opertaing device 2, input/output control unit 4, stepper motor drives 6, the step motor 7 that connects successively, also be connected with waveform generator 5 between opertaing device 2 and stepper motor drives 6, opertaing device 2 also is connected with display device 1.
This display device 1 is used for the set parameter of display input device 3, and the information in the operational process.Information in the described operational process comprises remaining runtime (that is: from the time that finishes operation) and rotary state (comprising forward rotation state, halted state, backward rotation state).Comprise described excess time: test excess time, forward rotation excess time, backward rotation excess time, suspend excess time.Particularly, show in the mode of countdown excess time.
This opertaing device 2 links to each other with input/output control unit 4, input/output control unit 4 is sent the steering order of rotation mode, rotation direction; This opertaing device 2 also links to each other with waveform generator 5, makes waveform generator 5 produce pulse signal, and stepper motor drives 6 received pulse signals drive step motor 7 and rotate.Used in this embodiment opertaing device 2 is single-chip microcomputers, and opertaing device 2 can also be the data processing equipment of other any appropriate.
This input media 3 is used for the parameter of opertaing device 2 is provided with.Described parameter comprises velocity of rotation, test duration, the rotation direction of step motor, the rotation mode of step motor.Described step motor rotation mode comprises: step rotation entirely, the rotation of half step, the rotation of 1/4th steps, 1/8th steps rotate.Described rotation direction comprises: forward rotation (can be also can be counterclockwise to rotate clockwise) and backward rotation (rotation opposite with the forward rotation direction).The described test duration comprises: the forward rotation test duration (used time during the step motor forward rotation), the backward rotation test duration (used time during the step motor backward rotation), time out (the step motor forward rotation begins the interval time before the backward rotation after stopping) and test duration (for beginning to the time that finishes of test step motor) from test.The positive integer that the described test duration equals forward rotation test duration, backward rotation test duration and time out sum doubly, particularly, test duration is T, the forward rotation test duration is T1, and the backward rotation test duration is T2, and time out is T3, three's sum (that is: T1+T2+T3) is an one-period, T=N* (T1+T2+T3) then, wherein N represents periodicity, and N is set by actual conditions; After N, T1, T2, T3 set, the test duration generated automatically according to top formula (that is: T=N* (T1+T2+T3)).
The steering order that this input/output control unit 4 is sent opertaing device 2 sends stepper motor drives 6 to.Described steering order comprises: rotation direction, rotation mode.
This waveform generator 5 is used to produce pulse signal, and the pulse signal that stepper motor drives 6 receives waveform generator 5 drives step motor 7 and rotates.The angle that the corresponding step motor of described pulse signal rotates, particularly, waveform generator whenever sends a pulse signal step motor and rotates a fixing angle.Therefore by being provided with of 3 pairs of waveform generator 5 pulsed frequencies of input media can the control step motor velocity of rotation.
Consulting shown in Figure 2ly, is the functional block diagram of opertaing device 2 in the step motor test system preferred embodiment of the present invention.Described opertaing device 2 comprises module 100, judge module 101, processing module 102, display module 104 and memory module 106 is set.
The setting that module 100 is used to carry out the step motor test parameter is set.Parameter comprises: step motor velocity of rotation, rotation mode, rotation direction and test duration.
Described rotation mode comprises: rotation mode, 1/4th step rotation modes and 1/8th step rotation modes are rotated, partly gone on foot to the full step.
Described rotation direction comprises: forward rotation (can be also can be counterclockwise to rotate clockwise) and backward rotation (rotating with the direction that forward rotation is oppositely just in time opposite).
The described test duration is meant the forward rotation test duration (used time during the step motor forward rotation), the summation of backward rotation test duration (used time during the step motor backward rotation) and time out (the step motor forward rotation begins the interval time between the backward rotation after stopping).The positive integer that the described test duration equals forward rotation test duration, backward rotation test duration and time out sum doubly, particularly, test duration is T, the forward rotation test duration is T1, and the backward rotation test duration is T2, and time out is T3, three's sum (that is: T1+T2+T3) is an one-period, T=N* (T1+T2+T3) then, wherein N represents periodicity, and N is set by actual conditions; After N, T1, T2, T3 set, the test duration generated automatically according to above-mentioned formula (that is: T=N* (T1+T2+T3)).
Whether whether the set time finished during judge module 101 was used to judge rotation, and interrupt turning round in the time that is provided with judging whether step motor to be measured is qualified according to step motor.The described time comprises: forward rotation time, backward rotation time, time out, test duration.Particularly: with the forward rotation is example, during forward rotation, judge module 101 judges whether the forward rotation time finishes, finish as the forward rotation test duration, the control that processing module 102 finishes waveform generator 5, make it stop stepper motor drives 6 is produced pulse signal, thereby stop step motor 7 is driven, step motor 7 enters halted state; As also end of time, and step motor 7 stops operating, and then display device 1 prompting step motor 7 is defective.
Processing module 102 is used for after module 100 being set set up parameter input/output control unit 4 being sent the steering order of forward rotation, rotation mode, this control command sends stepper motor drives 6 to, control waveform generator 5 makes it produce pulse signal simultaneously, and this pulse signal sends stepper motor drives 6 to makes it drive step motor 7 forward rotation; During the forward rotation, judge module judges whether the forward rotation test duration finish, if the forward rotation test duration also finishes, step motor 7 stops operating, and then display device 1 prompting step motor 7 is defective; When arriving described forward rotation during the test duration, the control that processing module 102 finishes waveform generator 5 makes it stop stepper motor drives 6 is produced pulse signal, thereby stops step motor 7 is driven, and step motor 7 enters halted state; When step motor 7 time outs finish, 102 pairs of input/output control unit 4 of processing module are sent the steering order of backward rotation, rotation mode, this control command sends stepper motor drives 6 to, control waveform generator 5 makes it produce pulse signal simultaneously, and this pulse signal sends stepper motor drives 6 to makes it drive the step motor backward rotation; If the backward rotation test duration does not also finish, step motor 7 stops operating, and then display device 1 prompting step motor 7 is defective; If the backward rotation test duration finishes, judge then whether the test duration finishes; If the test duration does not also finish, then processing module 102 end are to the control of waveform generator 5, make it stop stepper motor drives 6 is produced pulse signal, thereby stop step motor 7 is driven, step motor 7 enters halted state, when time out finished, step motor was return the forward rotation step; If the test duration finishes, end of test (EOT), then display device 1 prompting step motor 7 is qualified.
Display module 104 is used to obtain parameter that module 100 settings are set and the status information that shows operation at test period, and parameters that input media 3 is set and show that at test period the status information of operation shows by display device 1, the status information of described operation refers to remain the test duration.
Memory module 106 is used for when module 100 being set end of test (EOT) is set, preserve set parameter, after test was finished, memory module 106 can be preserved the parameter that is provided with in opertaing device 2, and the parameter of acquiescence when will be kept at parameter in the opertaing device and test as next time.In addition, the user can be provided with by input media 3 as the needs Reparametrization, and memory module 106 will be preserved the parameter of up-to-date setting and be covered parameter in the past.
Consulting shown in Figure 3ly, is the operation process chart of step motor method of testing of the present invention preferred embodiment.
At first, step S10 is provided with module 100 and carries out the setting of test parameter.Display module 104 shows the parameter that is provided with by display device.Memory module 106 is preserved the parameter that is provided with, and the default parameters of the parameter of preserving as test next time.106 of memory modules keep the up-to-date parameter that once is provided with.Described parameter comprises: step motor test duration, velocity of rotation, rotation direction and step motor rotation mode.
The described test duration comprises: forward rotation test duration (used time during the step motor forward rotation), the summation of backward rotation test duration (used time during the step motor backward rotation) and time out (the step motor forward rotation begins the interval time between the backward rotation after stopping).The positive integer that the described test duration equals forward rotation test duration, backward rotation test duration and time out sum doubly.
Described rotation direction comprises: forward rotation and backward rotation.
Described step motor rotation mode comprises: go on foot full rotation mode, partly go on foot rotation mode, 1/4th the step rotation modes, 1/8th the step rotation modes.
Step S11,102 pairs of input/output control unit 4 of processing module are sent the steering order of forward rotation, this control command sends stepper motor drives 6 to, control waveform generator 5 makes it produce pulse signal simultaneously, and this pulse signal sends stepper motor drives 6 to makes it drive the step motor forward rotation.
Step S12, judge module 101 judges whether to occur test unusually during the forward rotation.Described test refers to that unusually step motor did not stop operating before the forward rotation time there is not end.
Step S13, if it is unusual test not occur, then the forward rotation test duration finishes, the control that processing module 102 finishes waveform generator 5, make it stop stepper motor drives 6 is produced pulse signal, thereby stop step motor 7 is driven, step motor 7 enters halted state.
Step S14, when time out finishes, 102 pairs of input/output control unit 4 of processing module are sent counter-rotational steering order, this control command sends stepper motor drives 6 to, control waveform generator 5 makes it produce pulse signal simultaneously, and this pulse signal sends stepper motor drives 6 to makes it drive the step motor backward rotation.
Step S15, judge module 101 judges whether to occur test unusually during the backward rotation.Described test refers to that unusually step motor did not stop operating before the backward rotation test duration there is not end.
Step S16, if it is unusual test not occur, then the backward rotation test duration finishes, then judge module 101 judges whether the step motor test duration finishes.
Step S17, if the test duration does not also finish, then the backward rotation test duration finishes, the control that processing module 102 finishes waveform generator 5, make it stop stepper motor drives 6 is produced pulse signal, thereby stop step motor 7 is driven, step motor 7 enters halted state.
In step S12, unusual if test occurs, then direct process ends, display device 1 prompting step motor is defective.Described test refers to that unusually step motor did not stop operating before the forward rotation test duration there is not end.
In step S15, unusual if test occurs, then direct process ends, display device 1 prompting step motor is defective.Described test refers to that unusually step motor did not stop operating before the backward rotation time there is not end.
In step S16, if the test duration finishes, then finish test, display device 1 prompting step motor is qualified.
In step S17, when time out finishes, then get back to step S11.
In the present embodiment, the test stepping motor mode of user's selection is forward rotation, time-out and backward rotation.In other embodiments, the method for the test step motor that the user selects also can be rotated according to a direction, promptly is forward rotation or backward rotation.
Present embodiment has mainly been finished the test to step motor, and after each test was finished, the parameter of test was retained in the opertaing device 2, and next test beginning is not provided with the parameter of once testing before the acquiescence if carry out parameter.

Claims (9)

1.一种步进马达测试系统，该系统包括依次连接的输入装置、控制设备、输入输出控制器及步进马达驱动器，在控制设备和步进马达驱动器之间还连接有波形产生器，其特征在于，所述的控制设备包括：1. A stepping motor test system, the system comprises input devices, control equipment, input and output controllers and stepping motor drivers connected in sequence, and is also connected with a waveform generator between the control equipment and the stepping motor drivers, its It is characterized in that the control device includes: 设置模块，用于通过输入装置设置步进马达所需要测试的参数，所述的测试参数包括步进马达的转动方向和测试时间；The setting module is used to set the parameters that the stepper motor needs to test through the input device, and the test parameters include the rotation direction and the test time of the stepper motor; 处理模块，用于在步进马达开始测试时，控制波形产生器向步进马达驱动器发送脉冲信号以驱动步进马达转动，并控制输入输出控制器对步进马达驱动器发出指令，以控制步进马达按照所设置的转动方向转动；The processing module is used to control the waveform generator to send a pulse signal to the stepper motor driver to drive the stepper motor to rotate when the stepper motor starts testing, and to control the input and output controller to issue instructions to the stepper motor driver to control the stepping The motor turns in the set direction of rotation; 判断模块，用于根据测试时间内步进马达的转动是否出现异常判断步进马达是否合格。The judging module is used for judging whether the stepping motor is qualified according to whether the rotation of the stepping motor is abnormal within the test time. 2.如权利要求1所述的步进马达测试系统，其特征在于，所述的转动方向包括正向转动和反向转动，所述的测试时间是指步进马达正向转动测试时间、反向转动测试时间及步进马达正向转动之后开始反向转动的间隔时间的总和。2. The stepper motor test system according to claim 1, wherein the direction of rotation includes forward rotation and reverse rotation, and the test time refers to the test time of stepper motor forward rotation, reverse rotation The sum of the test time for forward rotation and the interval time for reverse rotation after the forward rotation of the stepping motor. 3.如权利要求2所述的步进马达测试系统，其特征在于，所述步进马达的转动出现异常是指步进马达在正向转动测试时间或反向转动测试时间还没结束时，步进马达停止转动。3. The stepping motor testing system according to claim 2, wherein the abnormal rotation of the stepping motor means that the stepping motor has not finished the forward rotation test time or the reverse rotation test time, The stepper motor stops turning. 4.如权利要求1所述的步进马达测试系统，其特征在于，所述的测试参数还包括：转动速度和转动模式；所述的转动模式包括全步转动模式、半步转动模式、四分之一步转动模式及八分之一步转动模式。4. The stepper motor testing system as claimed in claim 1, wherein said test parameters also include: rotation speed and rotation mode; said rotation mode comprises full-step rotation mode, half-step rotation mode, four-step rotation mode, One-step rotation mode and eighth-step rotation mode. 5.如权利要求1所述的步进马达测试系统，其特征在于，所述的控制设备还包括存储模块及显示模块，所述的存储模块用于存储设置的测试参数，所述的显示模块用于显示设置的测试参数及测试时剩余测试时间的信息。5. The stepper motor test system as claimed in claim 1, wherein the control device further comprises a storage module and a display module, the storage module is used to store the set test parameters, and the display module It is used to display the set test parameters and the remaining test time information during the test. 6.一种步进马达测试方法，利用依次连接的输入装置、控制设备、输入输出控制器及步进马达驱动器测试步进马达是否合格，其中在控制设备和步进马达驱动器之间还连接有波形产生器，其特征在于，该方法包括如下步骤：6. A stepping motor testing method, utilizes input device, control equipment, input and output controller and stepping motor driver connected in sequence to test whether the stepping motor is qualified, wherein between the control equipment and the stepping motor driver is also connected with Waveform generator, it is characterized in that, the method comprises the steps: 通过输入装置设置步进马达所需要测试的参数，所述的参数包括：步进马达的转动方向和测试时间；Setting the parameters required to be tested by the stepper motor through the input device, the parameters include: the direction of rotation of the stepper motor and the test time; 控制设备控制输入输出控制器发出控制指令及控制波形产生器发出脉冲信号，以驱动步进马达按照设置的转动方向转动；The control equipment controls the input and output controller to issue control commands and control the waveform generator to issue pulse signals to drive the stepper motor to rotate in the set rotation direction; 控制设备判断在测试时间内步进马达的转动是否出现异常。The control device judges whether the rotation of the stepping motor is abnormal within the test time. 7.如权利要求6所述的步进马达测试方法，其特征在于，所述的转动方向包括正向转动和反向转动，所述的测试时间是指步进马达正向转动测试时间、反向转动测试时间及步进马达正向转动之后开始反向转动的间隔时间的总和。7. The stepper motor test method according to claim 6, wherein the direction of rotation includes forward rotation and reverse rotation, and the test time refers to the forward rotation test time of the stepper motor, reverse rotation The sum of the test time for forward rotation and the interval time for reverse rotation after the forward rotation of the stepping motor. 8.如权利要求7所述的步进马达测试方法，其特征在于，所述步进马达的转动出现异常是指在步进马达在正向转动测试时间或反向转动测试时间还没结束时，步进马达停止转动。8. The stepping motor testing method according to claim 7, wherein the abnormal rotation of the stepping motor refers to when the stepping motor has not finished the forward rotation test time or the reverse rotation test time , the stepper motor stops rotating. 9.如权利要求6所述的步进马达测试方法，其特征在于，所述的测试参数还包括转动速度和转动模式，所述的转动模式包括全步转动模式、半步转动模式、四分之一步转动模式及八分之一步转动模式。9. The stepping motor test method as claimed in claim 6, wherein said test parameters also include rotation speed and rotation mode, and said rotation mode comprises full-step rotation mode, half-step rotation mode, four-point rotation mode, and One-step rotation mode and one-eighth-step rotation mode.
CN2007102010760A 2007-07-13 2007-07-13 Stepping motor testing system and method Expired - Fee Related CN101344577B (en)

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CN105510827B (en) * 2015-12-04 2018-12-18 珠海格力电器股份有限公司 Method and device for monitoring working state of stepping motor and air conditioner controller
CN105866683B (en) * 2016-04-01 2019-10-18 深圳北航天汇创业孵化器有限公司 A kind of test macro of closed loop stepper motor and its driver
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