CN104515923A - Testing device of stepping motor - Google Patents
Testing device of stepping motor Download PDFInfo
- Publication number
- CN104515923A CN104515923A CN201310451567.6A CN201310451567A CN104515923A CN 104515923 A CN104515923 A CN 104515923A CN 201310451567 A CN201310451567 A CN 201310451567A CN 104515923 A CN104515923 A CN 104515923A
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- stepper motor
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Abstract
The invention discloses a testing device of a stepping motor. The testing device comprises a power supply circuit, a resistor circuit, a sampling circuit, a logic circuit, an alarm circuit and a pulse circuit. The resistor circuit comprises a testing sample piece T1 and a standard sample piece T2 which are connected in series and then are grounded. The sampling circuit and the logic circuit are electrically connected with the resistor circuit, and the connecting position is disposed between the testing sample piece T1 and the standard sample piece T2. The sampling circuit, the logic circuit and the alarm circuit are sequentially electrically connected together, and the pulse circuit is electrically connected with the logic circuit. The sampling circuit is used for acquiring a voltage signal of the resistor circuit. The logic circuit is used for acquiring a determination result after an analysis and transmitting the determination result to the alarm circuit. The alarm circuit is used for giving an alarm according to the determination result. The pulse circuit is used for providing a clock pulse for the logic circuit. The testing device of the stepping motor improves the accuracy and the efficiency of a product test.
Description
Technical field
The present invention relates to testing tool technical field, particularly relate to a kind of proving installation of stepper motor.
Background technology
The short open circuit of motor is the important indicator of testing of electric motors performance.The short open circuit fault of present stepper motor resistance value and winding uses multimeter to measure, and method of testing efficiency is low.Due to the variation of stepper motor product, in industry, many motors have eliminated the lead-in wire of motor, and for the contact pin type motor not having extension line, pen meter of universal meter cannot contact with contact pin well, cause test result inaccurate, cannot fault fast in measurement circuit.
Summary of the invention
Based on this, be necessary, for existing proving installation accuracy rate and inefficient problem, to provide a kind of proving installation of stepper motor fast and accurately.
For achieving the above object, the present invention adopts following technical scheme:
A proving installation for stepper motor, comprises power circuit, resistance circuit, sample circuit, logical circuit, warning circuit and pulsing circuit;
Described resistance circuit comprises test sample T1 and master body T2, ground connection after described test sample T1 and described master body T2 connects;
Described sample circuit and described logical circuit are electrically connected with described resistance circuit, and link position is between test sample T1 and master body T2; Described sample circuit, logical circuit, warning circuit are electrically connected successively, and described pulsing circuit is electrically connected with described logical circuit;
Described sample circuit is for gathering the voltage signal of described resistance circuit, and the comparative result after being compared with the standard value preset by described voltage signal sends logical circuit to;
Described logical circuit draws result of determination after being analyzed by the comparative result received, and sends described result of determination to described warning circuit;
Described warning circuit is used for reporting to the police according to described result of determination; Described pulsing circuit is used for providing time clock for logical circuit.
Wherein in an embodiment, described power circuit is used for powering for whole circuit, is electrically connected with described resistance circuit, sample circuit, logical circuit, warning circuit and pulsing circuit;
Described power circuit is the Switching Power Supply of 12V.
Wherein in an embodiment, described test sample T1 is the stepper motor needing to carry out testing short open circuit and resistance size, and described master body T2 is after accurate alignment, and motor resistance size and short open circuit all do not have out of order stepper motor.
Wherein in an embodiment, described test sample T1 and described master body T2 includes four groups of coils;
Described sample circuit is sampled to each group coil of test sample T1 respectively, and the comparative result after being compared with the standard value preset by the voltage signal collected sends logical circuit to;
The comparative result received carries out analyzing the result of determination obtained by described logical circuit, and after sending described result of determination to warning circuit, then carry out the test of next group coil.
Wherein in an embodiment, described sample circuit is comparer, and one end of described comparer inputs the standard value preset, and the other end inputs described voltage signal.
Wherein in an embodiment, described logical circuit comprises multiple relay;
Described multiple relay is normally opened relay, is made up of coil and contact two parts, and described multiple relay is in parallel.
Wherein in an embodiment, described warning circuit comprises green indicating lamp, red led and alarm;
When described result of determination be test sample T1 qualified time, green indicating lamp is bright; When described result of determination be test sample T1 defective time, the bright and described alarm equipment alarm of described red led.
Wherein in an embodiment, described pulsing circuit is 555 timers, for providing time clock during each group coil measurement for logical circuit.
The invention has the beneficial effects as follows:
The proving installation of stepper motor of the present invention, in use, only stepper motor to be tested need be connected in resistance circuit, by sampling to the magnitude of voltage of resistance circuit, be sent to logical circuit again to carry out analysis and obtain result of determination, namely whether qualifiedly demonstrate this stepper motor by warning circuit, improve the efficiency of product test; And in test process, overcome the problem of the test pencil of multimeter in prior art and the contact pin loose contact of motor, improve accuracy rate and the reliability of product test.
Accompanying drawing explanation
Fig. 1 is the circuit module schematic diagram of proving installation one embodiment of stepper motor of the present invention;
Fig. 2 is the inner structure schematic diagram of test sample T1 and master body T2 in Fig. 1;
Fig. 3 is the circuit theory diagrams of proving installation one embodiment of stepper motor of the present invention.
Embodiment
In order to make technical scheme of the present invention clearly, below in conjunction with accompanying drawing, the proving installation of stepper motor of the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Referring to figs. 1 through Fig. 3, as shown in Figure 1, proving installation one embodiment of stepper motor of the present invention comprises power circuit, resistance circuit, sample circuit, logical circuit, warning circuit and pulsing circuit.
As a kind of embodiment, power circuit is used for the power supply of whole circuit, is electrically connected with resistance circuit, sample circuit, logical circuit, warning circuit and pulsing circuit.In the present embodiment, power circuit is the Switching Power Supply of 12V.
Resistance circuit comprises test sample T1 and master body T2, the rear ground connection and test sample T1 and master body T2 connects.More preferably, test sample T1 is the stepper motor needing to carry out testing short open circuit and resistance size, and master body T2 is that motor resistance size and short open circuit all do not have out of order stepper motor after calibration.More preferably, test sample T1 and master body T2 includes four groups of coils.
As a kind of embodiment, sample circuit is for gathering the voltage signal of resistance circuit, and the comparative result after being compared with the standard value preset by this voltage signal sends logical circuit to.Logical circuit draws result of determination after analyzing the comparative result received, and sends result of determination to described warning circuit.Sample circuit and logical circuit are electrically connected with resistance circuit, and link position is between test sample T1 and master body T2; For the voltage of collecting test exemplar T1.Warning circuit is used for reporting to the police according to described result of determination, and whether T1 is qualified for display test sample.Sample circuit, logical circuit, warning circuit are electrically connected successively; Pulsing circuit is electrically connected with logical circuit, for providing time clock for logical circuit.Logical circuit is connected with resistance circuit, for resistance circuit provides a unbalanced pulse, makes resistance circuit start normal work.
As a kind of embodiment, sample circuit is sampled to the voltage of each group coil of test sample T1 respectively, then the voltage signal collected is compared rear comparative result with the standard value preset and send logical circuit to, logical circuit obtains result of determination after analyzing, then carries out the test of next group coil after result of determination being sent to warning circuit again.Can ensure that each group coil does not exist fault like this, thus ensure that the quality of product.Should be clear, result of determination herein comprises two kinds: test sample is qualified and test sample is defective.
As a kind of embodiment, described sample circuit is comparer, and this comparer adopts LM224, is wherein integrated with four comparers, and one end of each comparer inputs the standard value preset, and in the present invention, this standard value is 6V; The voltage signal that the other end input of each comparer collects.Adopt LM224 comparer, can detect four groups of coils of the stepper motor of test sample T1 simultaneously, shorten detection time, simplify detection operation, improve detection efficiency.
As a kind of embodiment, logical circuit is realized by multiple relay.Wherein, multiple relay is normally opened relay, is made up of coil and contact two parts.When coil no power, relay is in normally open; When after coil electricity, relay adhesive, line conduction.In the present embodiment, logical circuit is realized by the series, parallel of multiple relay, and multiple relay forms multiple relay group.Multiple relays in this each relay group are in parallel, connect between multiple relay group.Sample circuit is connected with logical circuit by driving circuit, and this driving circuit adopts 2003 chips, for driving multiple relay.
The analytical work process of logical circuit is as follows:
The voltage signal collected when sample circuit is 0V, then illustrate that the situation of open circuit appears in this group coil, comparative result is that voltage signal is less than default standard value, logical circuit is that test sample T1 is defective according to the result of determination after judged result analysis, and sends this result of determination to warning circuit;
The voltage signal collected when sample circuit is 12V, then illustrate that the situation of short circuit appears in this group coil, comparative result is that voltage signal is greater than default standard value, logical circuit is that test sample T1 is defective according to the result of determination after judged result analysis, and sends this result of determination to warning circuit;
The voltage signal collected when sample circuit is less than 6V, then illustrate that the resistance of this group coil is bigger than normal, comparative result is that voltage signal is less than default standard value, and logical circuit is that test sample T1 is defective according to the result of determination after judged result analysis, and sends this result of determination to warning circuit;
The voltage signal collected when sample circuit is greater than 6V, then illustrate that the resistance of this group coil is less than normal, comparative result is that voltage signal is greater than default standard value, and logical circuit is that test sample T1 is defective according to the result of determination after judged result analysis, and sends this result of determination to warning circuit;
The voltage signal received when logical circuit is 6V, and comparative result is the standard value that voltage signal equals default, and logical circuit is that test sample T1 is qualified according to the result of determination after judged result analysis, and sends this result of determination to warning circuit.
More preferably, warning circuit comprises green indicating lamp, red led and alarm; When result of determination be test sample T1 qualified time, green indicating lamp is bright; For tester provides visual determination.When result of determination be test sample T1 defective time, red led is bright, alarm equipment alarm; Be not only tester visual determination is provided but also provides sense of hearing judgement.
As a kind of embodiment, pulsing circuit is 555 timers, for logical circuit provide each group coil measurement time time clock.In the present embodiment, pulsing circuit is electrically connected with driving circuit by 4017 chips, and 4017 chips are frequency divider, for providing the time clock of test for each group coil.
Be illustrated in figure 3 the circuit theory diagrams of proving installation one embodiment of stepper motor of the present invention, comparer LM224 is connected between test sample T1 and master body T2, for the voltage of each group coil of collecting test exemplar T1, then compare with the standard value preset, and send comparative result to logical circuit by 2003 chips.Logical circuit is realized by multiple relay series, parallel, and multiple relay forms multiple relay group.Multiple relays in this each relay group are in parallel, connect between multiple relay group.2003 chips are for driving multiple relay.Draw result of determination after the analysis of logical circuit compared result, this result of determination controls the warning of warning circuit.Wherein, time clock when 555 timers provide test by 4017 chips each group coil that is stepper motor.
Such as, after circuit powers on, the coil electricity of relay K A7, makes the line conduction at the coil place of relay K A6, the contact switch adhesive of relay K A6.When the voltage signal collected of comparer LM224 is 0V, the coil no power of relay K 1, K2, K3, K4, K5, K6, K7 and K8, thus the contact switch of relay K 1, K2, K3, K4, K5, K6, K7 and K8 is in normally open, make relay K A1, KA2, KA3, KA4 and KA5 coil place circuit disconnect, red led L2 in circuit is bright, alarm equipment alarm, illustrates that the stepper motor of this test sample T1 is defective.
When the voltage signal collected of comparer LM224 is 6V, the coil electricity of relay K 1, K2, K3, K4, K5, K6, K7 and K8, thus the contact switch adhesive of relay K 1, K2, K3, K4, K5, K6, K7 and K8, make the line conduction at coil place of relay K A1, KA2, KA3, KA4 and KA5, the normally opened contact switch adhesive of relay K A5, the normally closed contact switch of relay K A5 disconnects, green indicating lamp L1 in circuit is bright, illustrates that the stepper motor of this test sample T1 is qualified.
In practical operation, the position first will the motor of test being needed to be connected to test sample T1, then switch on power, warning circuit can show the whether qualified test result of this motor afterwards, completes test job.By being connected in circuit by motor, avoid the bad and inaccurate problem of test result that is that cause of test pencil and wire contacts in prior art; And this circuit is easy and simple to handle, the object of test fast can be reached, improve testing efficiency.
The proving installation of stepper motor of the present invention, in use, only stepper motor to be tested need be connected in resistance circuit, by sampling to the magnitude of voltage of resistance circuit, be sent to logical circuit again to carry out analysis and obtain result of determination, namely whether qualifiedly demonstrate this stepper motor by warning circuit, improve the efficiency of product test; And in test process, overcome the problem of contact pin loose contact of test pencil and motor in prior art, improve accuracy rate and the reliability of product test.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a proving installation for stepper motor, is characterized in that:
Comprise power circuit, resistance circuit, sample circuit, logical circuit, warning circuit and pulsing circuit;
Described resistance circuit comprises test sample T1 and master body T2, ground connection after described test sample T1 and described master body T2 connects;
Described sample circuit and described logical circuit are electrically connected with described resistance circuit, and link position is between test sample T1 and master body T2; Described sample circuit, logical circuit, warning circuit are electrically connected successively, and described pulsing circuit is electrically connected with described logical circuit;
Described sample circuit is for gathering the voltage signal of described resistance circuit, and the comparative result after being compared with the standard value preset by described voltage signal sends logical circuit to;
Described logical circuit draws result of determination after being analyzed by the comparative result received, and sends described result of determination to described warning circuit;
Described warning circuit is used for reporting to the police according to described result of determination; Described pulsing circuit is used for providing time clock for logical circuit.
2. the proving installation of stepper motor according to claim 1, is characterized in that:
Described power circuit is used for powering for whole circuit, is electrically connected with described resistance circuit, sample circuit, logical circuit, warning circuit and pulsing circuit;
Described power circuit is the Switching Power Supply of 12V.
3. the proving installation of stepper motor according to claim 2, is characterized in that:
Described test sample T1 is the stepper motor needing to carry out testing short open circuit and resistance size, and described master body T2 is after accurate alignment, and motor resistance size and short open circuit all do not have out of order stepper motor.
4. the proving installation of stepper motor according to claim 3, is characterized in that:
Described test sample T1 and described master body T2 includes four groups of coils;
Described sample circuit is sampled to each group coil of test sample T1 respectively, and the comparative result after being compared with the standard value preset by the voltage signal collected sends logical circuit to;
The comparative result received carries out analyzing the result of determination obtained by described logical circuit, and after sending described result of determination to warning circuit, then carry out the test of next group coil.
5. the proving installation of stepper motor according to claim 4, is characterized in that:
Described sample circuit is comparer, and one end of described comparer inputs the standard value preset, and the other end inputs described voltage signal.
6. the proving installation of stepper motor according to claim 5, is characterized in that:
Described logical circuit comprises multiple relay;
Described multiple relay is normally opened relay, is made up of coil and contact two parts, and described multiple relay is in parallel.
7. the proving installation of stepper motor according to claim 6, is characterized in that:
Described warning circuit comprises green indicating lamp, red led and alarm;
When described result of determination be test sample T1 qualified time, green indicating lamp is bright; When described result of determination be test sample T1 defective time, the bright and described alarm equipment alarm of described red led.
8. the proving installation of stepper motor according to claim 7, is characterized in that:
Described pulsing circuit is 555 timers, for providing time clock during each group coil measurement for logical circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451567.6A CN104515923B (en) | 2013-09-27 | 2013-09-27 | The test device of stepper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451567.6A CN104515923B (en) | 2013-09-27 | 2013-09-27 | The test device of stepper motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104515923A true CN104515923A (en) | 2015-04-15 |
| CN104515923B CN104515923B (en) | 2017-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310451567.6A Expired - Fee Related CN104515923B (en) | 2013-09-27 | 2013-09-27 | The test device of stepper motor |
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| Country | Link |
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| CN (1) | CN104515923B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031026A (en) * | 2018-08-28 | 2018-12-18 | 昆山睿力得软件技术有限公司 | A kind of Coil Detector equipment |
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| US20080191730A1 (en) * | 2007-02-14 | 2008-08-14 | Princeton Technology Corporation | Circuit testing apparatus |
| CN203551708U (en) * | 2013-09-27 | 2014-04-16 | 珠海格力电器股份有限公司 | Testing device of stepping motor |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060279307A1 (en) * | 2005-06-10 | 2006-12-14 | Innolux Display Corp. | Automatic testing apparatus and method |
| US20080191730A1 (en) * | 2007-02-14 | 2008-08-14 | Princeton Technology Corporation | Circuit testing apparatus |
| CN201035110Y (en) * | 2007-04-06 | 2008-03-12 | 哈尔滨国力电气有限公司 | Distributed generator rotor windings turn-to-turn short circuit functional failure on-line monitoring device |
| CN101101319A (en) * | 2007-05-18 | 2008-01-09 | 西安尤佰测控技术有限公司 | Generator rotor interturn short-circuit state detection device |
| CN203551708U (en) * | 2013-09-27 | 2014-04-16 | 珠海格力电器股份有限公司 | Testing device of stepping motor |
Non-Patent Citations (1)
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| 姜风国 等: "电机匝间绝缘的计算机辅助测试系统", 《机电工程》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109031026A (en) * | 2018-08-28 | 2018-12-18 | 昆山睿力得软件技术有限公司 | A kind of Coil Detector equipment |
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| Publication number | Publication date |
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| CN104515923B (en) | 2017-08-29 |
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Granted publication date: 20170829 |