CN101750582A - Testing device - Google Patents

Testing device Download PDF

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Publication number
CN101750582A
CN101750582A CN200810306001A CN200810306001A CN101750582A CN 101750582 A CN101750582 A CN 101750582A CN 200810306001 A CN200810306001 A CN 200810306001A CN 200810306001 A CN200810306001 A CN 200810306001A CN 101750582 A CN101750582 A CN 101750582A
Authority
CN
China
Prior art keywords
module
proving installation
voltage
electrically connect
processing module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200810306001A
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Chinese (zh)
Inventor
赵泉亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CN200810306001A priority Critical patent/CN101750582A/en
Publication of CN101750582A publication Critical patent/CN101750582A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a testing device used for carrying out reliable testing on a motor. The testing device comprises a processing module and a switching module, wherein the processing module alternately outputs first control signals and second control signals to the switching module with a preset time interval; the switching module is turned off when the switching module receives the first control signals so as to supply direct current voltage provided by a power supply for the motor; and when the switching module receives the second control signals, the switching module is disconnected so as to stop supplying the direct current voltage for the motor.

Description

Proving installation
Technical field
The present invention relates to proving installation, particularly a kind of proving installation of testing the driver part reliability.
Background technology
Most consumption electronic products all can be used this driver part of motor.For example, in the DVD player, utilize motor to drive the DVD CD and rotate to read the information that is stored in the DVD CD; In the wheel type intelligent toy, utilize the motor driven wheel turns to realize the moving all around of wheel type intelligent toy.Yet, because there is defective products in the industrialized manufacturing in the motor product that produces, make the reliability that is assemblied in the motor in the consumption electronic products not to be guaranteed, thereby influenced the quality of consumption electronic products.
Summary of the invention
Given this, be necessary to provide a kind of proving installation of testing the reliability of Motor driver part.
A kind of proving installation is used for motor is carried out reliability testing.This proving installation comprises processing module and switch module.Processing module alternately exports first control signal at interval with Preset Time and second control signal is given switch module.Switch module is closure when receiving first control signal, offers motor with the DC voltage that a power supply is provided, and disconnects when receiving second control signal, to stop that DC voltage is offered motor.
The output control signal of the processing module regularity in the above-mentioned proving installation is given switch module, discontinuously DC voltage is offered motor with the gauge tap module, finishes the reliability testing to motor.
Further, establish DC voltage for the ease of tester's accent, above-mentioned proving installation further comprises Voltage Regulator Module, modular converter and display module.The DC voltage that Voltage Regulator Module is used for the response regulation operation described power supply is provided is adjusted into operating voltage.The operating voltage that modular converter provides Voltage Regulator Module offers processing module after being converted to digital voltage signal; Processing module offers display module to show with the digital voltage signal that receives.Like this, the tester just can see the value of the operating voltage that current accent is established intuitively from display module when the operating voltage adjustment module.
Description of drawings
Fig. 1 is that the proving installation of a better embodiment is used synoptic diagram.
Fig. 2 is the specific functional modules figure of proving installation among Fig. 1.
Fig. 3 is the circuit diagram of a specific embodiment of proving installation among Fig. 1.
Embodiment
As shown in Figure 1, it is the proving installation 20 application synoptic diagram of a better embodiment.Proving installation 20 is connected between power supply 10 and the motor 30.The DC voltage that proving installation 20 provides power supply 10 is converted to the DC voltage that adapts to motor 30 work, and the DC voltage after will changing discontinuously offers motor 30, to finish reliability testing.The motor reliability testing is meant in the certain hour section, finish the powered operation of stipulated number to motor after, whether motor can also continue the normal test job that starts.
As shown in Figure 2, it is the specific functional modules figure of proving installation 20 among Fig. 1.This proving installation 20 comprises Voltage Regulator Module 200, modular converter 201, reseting module 203, processing module 205, switch module 207 and display module 209.Modular converter 201 is connected with Voltage Regulator Module 200 and processing module 205 respectively, and display module 209 is connected with processing module 205.Switch module 207 links to each other with processing module 205 and Voltage Regulator Module 200 respectively.
Voltage Regulator Module 200 is used for the DC voltage that power supply 10 provides is adjusted into the operating voltage that adapts to motor starting, and operating voltage is offered switch module 207 and modular converter 201.Modular converter 201 offers processing module 205 after operating voltage is converted to digital voltage signal.Reseting module 203 is used for response test person's operation and produce reset signal.Processing module 205 is alternately exported first control signal and second control signal at interval with Preset Time after receiving the reset signal that reseting module 203 provides.Processing module 205 also offers the digital voltage signal that receives display module 209 to show.Switch module 207 is closure when receiving first control signal, offers motor 30 with the operating voltage that will receive, and disconnects when receiving second control signal, offers motor 30 with the operating voltage that stops to receive.
Processing module 205 in the above-mentioned proving installation 20 alternately exports first control signal at interval with Preset Time and second control signal is given switch module 207, so that switch module 207 offers operating voltage motor 30 discontinuously according to the control signal that receives, finish reliability testing to motor 30.Simultaneously, the tester can see its value in the operating voltage of operating voltage adjustment module 200 settings intuitively from display module 209.
As shown in Figure 3, it is the circuit diagram of a specific embodiment of proving installation 20 among Fig. 1.
Voltage Regulator Module 200 comprises a slide rheostat R1: the end of slide rheostat R1 and the output terminal of power supply+5VCC electrically connect, other end ground connection, and its sliding end electrically connects with modular converter 201, switch module 207 respectively.
Modular converter 201 comprises a modulus conversion chip.Adopt the modulus conversion chip of model ADC0809 in the present embodiment.The power input Vref+ of this modulus conversion chip and the output terminal of power supply+5VCC electrically connect.This modulus conversion chip with slide rheostat R1 divide operating voltage be converted to digital voltage signal after, through its digital output port D (00-07) Offer processing module 205.
Reseting module 203 is one provides the button level reset circuit of DC voltage by power supply+5VCC, and it comprises resistance R 6, resistance R 7, button S1 and capacitor C 3.One end of resistance R 6 and the output terminal of power supply+5VCC electrically connect, and an end of the other end and resistance R 7 and processing module 205 electrically connect.The other end ground connection of resistance R 7.Button S1 is with in parallel with resistance R 6 again after capacitor C 3 is connected.Push button behind the S1, for processing module 205 provides a low level reset signal, so that processing module 205 resets.Like this, the tester can come the duty of control treatment module 205 by reseting module 203.For example, when the tester pushed button S1, processing module 205 entered original state; The tester unclamps button S1, and this moment, processing module 205 was started working from original state because of no longer receiving reset signal.
Processing module 205 comprises a single-chip microcomputer.Adopt the single-chip microcomputer of the MCS-51 series 8031 of Intel Company's production in the present embodiment.The pin of the serial output terminal mouth TXD of this single-chip microcomputer and switch module 207 electrically connect.The input/output port P of single-chip microcomputer (00-07)And input/output port P (10-17)Pin electrically connect with display module 209 respectively; Input/output port P (20-27)Pin and modular converter 201 electrically connect.The reset pin RESET of single-chip microcomputer and reseting module 203 electrically connect.When single-chip microcomputer moves the control program of storage, the digital voltage signal that modular converter 201 is transmitted offers display module 209 by input/output port P0 and input/output port P1, and gives switch module 207 from first control signal and low level second control signal that serial output terminal mouth TXD alternately exports high level at interval with Preset Time.For example, in previous 0.5 second, continue first control signal of output high level, back second control signal that continues output low level in 0.5 second.
Switch module 207 comprises the first triode Q1 and the second triode Q2.The base stage of the first triode Q1 and processing module 205 electrically connect, and also electrically connect by the output terminal of resistance R 2 with power supply+5VCC.The collector of the first triode Q1 electrically connects by the output terminal of resistance R 3 with power supply+5VCC.The base stage of the emitter of the first triode Q1 and the second triode Q2 electrically connects, also by R4 ground connection.The collector of the second triode Q2 and Voltage Regulator Module 200 electrically connect.The emitter of the second triode Q2 and motor 30 electrically connect, also by R5 ground connection.Switch module 207 is when first control signal that processing module 205 continues to provide is provided, and the base stage of the first triode Q1 obtains a higher voltage, first triode Q1 and then the conducting.The base stage of the second triode Q2 also obtains a higher voltage because of the conducting of the first triode Q1, second triode Q2 and then the conducting, and motor 30 is just started working like this.Switch module 207 is when receiving second control signal that processing module 205 provides, and the first triode Q1 and the second triode Q2 are in not conducting state, and this moment, motor 30 quit work.
Display module 209 comprises two 8 charactrons.When display module 209 receives the digital voltage signal that processing module 205 provides, show corresponding voltage value by two 8 charactrons.
In other embodiments, above-mentioned modular converter 201 also can adopt the modulus conversion chip of other models; Processing module 205 also can adopt the single-chip microcomputer of other models.In addition, power supply 10 can directly provide the DC voltage that adapts to motor 30 work to switch module in the proving installation 20 207 and modular converter 201.Like this, just need not be again to the DC voltage operation of mediating, so can save Voltage Regulator Module 200 in the proving installation 20.

Claims (9)

1. a proving installation is used for motor is carried out reliability testing, and it is characterized in that: this proving installation comprises processing module and switch module; Described processing module alternately exports first control signal at interval with Preset Time and second control signal is given described switch module; Described switch module is closure when receiving first control signal, offers motor with the DC voltage that a power supply is provided, and disconnects when receiving second control signal, to stop that DC voltage is offered motor.
2. proving installation as claimed in claim 1 is characterized in that: described proving installation also comprises Voltage Regulator Module, modular converter and display module; The DC voltage that described Voltage Regulator Module is used for the response regulation operation described power supply is provided is adjusted into operating voltage, and operating voltage is offered described switch module and described modular converter; The operating voltage that described modular converter provides described Voltage Regulator Module offers processing module after being converted to digital voltage signal; Described processing module offers display module to show with the digital voltage signal that receives.
3. proving installation as claimed in claim 2, it is characterized in that: described Voltage Regulator Module comprises a slide rheostat (R1), one end of slide rheostat (R1) and the output terminal of power supply electrically connect, other end ground connection, its sliding end electrically connect with described modular converter, described switch module respectively.
4. proving installation as claimed in claim 2 is characterized in that: described modular converter comprises a modulus conversion chip; After the operating voltage that described modulus conversion chip is got slide rheostat (R1) is converted to digital voltage signal, through its digital output port (D (00-07)) offer described processing module.
5. proving installation as claimed in claim 2 is characterized in that: described switch module comprises first triode (Q1) and second triode (Q2); The base stage of first triode (Q1) and described processing module electrically connect, and also electrically connect by the output terminal of resistance (R2) with power supply; The collector of first triode (Q1) electrically connects by the output terminal of resistance (R3) with power supply; The base stage of the emitter of first triode (Q1) and second triode (Q2) electrically connects, also by (R4) ground connection; The collector of second triode (Q2) and described Voltage Regulator Module electrically connect; The emitter of second triode (Q2) and motor electrically connect, also by (R5) ground connection.
6. proving installation as claimed in claim 2 is characterized in that: described display module comprises charactron, when described display module receives the digital voltage signal that described processing module provides, shows corresponding voltage value by charactron.
7. proving installation as claimed in claim 1 or 2 is characterized in that: described proving installation also comprises reseting module; Described reseting module is used for response test person's operation and produce reset signal; Described processing module begins to export first control signal and second control signal after receiving reset signal.
8. proving installation as claimed in claim 7 is characterized in that: described reseting module comprises resistance (R6), resistance (R7), button (S1) and electric capacity (C3); One end of resistance (R6) and the output terminal of power supply electrically connect, and the other end and resistance (R7) and described processing module electrically connect; The other end ground connection of resistance (R7); Button (S1) is with in parallel with resistance (R6) again after electric capacity (C3) is connected.
9. proving installation as claimed in claim 8 is characterized in that: described processing module comprises a single-chip microcomputer; The pin of the serial output terminal mouth (TXD) of described single-chip microcomputer and described switch module electrically connect; Input/output port (the P of described single-chip microcomputer (00-07)) and input/output port (P (10-17)) pin electrically connect with described display module respectively; Input/output port (the P of described single-chip microcomputer (20-27)) pin and described modular converter electrically connect; The reset pin of described single-chip microcomputer (RESET) electrically connects with described reseting module; Described single-chip microcomputer is given described switch module from first control signal and low level second control signal that serial output terminal mouth (TXD) is alternately exported high level at interval with Preset Time after receiving reset signal; Also the digital voltage signal that described modular converter is transmitted is by input/output port (P (00-07)) and input/output port (P (10-17)) offer described display module.
CN200810306001A 2008-12-05 2008-12-05 Testing device Pending CN101750582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810306001A CN101750582A (en) 2008-12-05 2008-12-05 Testing device

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Application Number Priority Date Filing Date Title
CN200810306001A CN101750582A (en) 2008-12-05 2008-12-05 Testing device

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CN101750582A true CN101750582A (en) 2010-06-23

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105988906A (en) * 2015-03-02 2016-10-05 鸿富锦精密工业(武汉)有限公司 Test card and mainboard applying same
CN106227182A (en) * 2015-06-02 2016-12-14 Ls 产电株式会社 The output adjustment device of analog output module
CN110470988A (en) * 2019-09-18 2019-11-19 东莞市润达散热风扇有限公司 A kind of brushless motor multifunctional testing circuit
CN113917262A (en) * 2021-10-08 2022-01-11 深圳市好盈科技有限公司 Automatic testing system and method for power system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105988906A (en) * 2015-03-02 2016-10-05 鸿富锦精密工业(武汉)有限公司 Test card and mainboard applying same
CN105988906B (en) * 2015-03-02 2018-07-06 中山市云创知识产权服务有限公司 The mainboard of test card and the application test card
CN106227182A (en) * 2015-06-02 2016-12-14 Ls 产电株式会社 The output adjustment device of analog output module
US10120362B2 (en) 2015-06-02 2018-11-06 Lsis Co., Ltd. Output adjustment device of analog output module
CN106227182B (en) * 2015-06-02 2021-06-25 Ls 产电株式会社 Output regulator for analog output module
CN110470988A (en) * 2019-09-18 2019-11-19 东莞市润达散热风扇有限公司 A kind of brushless motor multifunctional testing circuit
CN113917262A (en) * 2021-10-08 2022-01-11 深圳市好盈科技有限公司 Automatic testing system and method for power system

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Open date: 20100623