CN101047374A - Testing system - Google Patents
Testing system Download PDFInfo
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- CN101047374A CN101047374A CN 200610073725 CN200610073725A CN101047374A CN 101047374 A CN101047374 A CN 101047374A CN 200610073725 CN200610073725 CN 200610073725 CN 200610073725 A CN200610073725 A CN 200610073725A CN 101047374 A CN101047374 A CN 101047374A
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Abstract
A test system comprises electronic unit, power supplier and test unit including AC power supply switch for receiving switch-off signal to switch said power supplier off and for outputting the first control signal, delay timer for receiving the first control signal and for outputting the second control signal at the first preset time, start-up time for receiving the second control signal and for outputting start-up signal at the second preset time, start-up switch for starting said electronic unit up and test component for testing said electronic unit when said electronic unit is started up.
Description
Technical field
The present invention is a kind of test macro that is applicable to an electronic installation, particularly about a kind of test macro that cuts off the power supply of this electronic installation fully.
Background technology
General test macro has comprised a testing apparatus and a device under test, when device under test stops to accept test, power supply on device under test also can't be closed fully through testing apparatus, may also have power supply on the device under test and cause, and may cause the device under test unnecessary harm.
Test with motherboard is the example explanation, the mode such as the China of existing host board testing system announce No. 2570871 patent " computer main frame panel on-off test device ", utilize the program of carrying out in the test process control unit, come the switching on and shutting down and the replacement of automatic main control system plate, read the error detecting code of motherboard output by the order interpretation unit again, whether normal with switching on and shutting down process, reset process and the operating process of power management sleep-awake of judging motherboard, and write down its test result, to reach the purpose of automatic Test Host plate.
Yet in above-mentioned host board testing system, test macro only can cut off the system power supply (DC DC power supply) on the motherboard behind the EOT of motherboard, and can't cut off the power supply that power supply unit provided (comprising AC AC power and DC DC power supply) of motherboard, to such an extent as to power supply still can be present on the motherboard.In control, test macro only can be with software control Test Host plate, can't be for controlling on the hardware (as the power supply unit of power supply to motherboard is provided).
In addition, the power supply of powered-down supply then may need the user of service to close in the manpower mode, and this can cause the loaded down with trivial details of testing procedure and increase the required time of test.If the user of service forgets the power supply of first powered-down supply and just removes the motherboard that test finishes, then may cause the damage of motherboard.
Therefore a kind ofly can reach automatic switching, the test macro that reduces the manual operation problem and can close the device under test power supply fully is necessary.
Summary of the invention
The purpose of this invention is to provide a kind of test macro, can cut off the power of alterating and direct current on the electronic installation fully.
For achieving the above object, the invention provides a kind of test macro, this test macro comprises electronic installation; Power supply unit couples this electronic installation; And testing apparatus, have the connectivity port in order to couple this electronic installation, comprising: the ac power switch device, couple this power supply unit, in order to receive the off signal that this electronic installation transmits, close this power supply unit and export first control signal; Delay timer couples this ac power switch device, when receiving this first control signal at this delay timer, picked up counting for first scheduled time, and export second control signal when timing finishes; Start timer, couple this delay timer,, picked up counting for second scheduled time, and when timing finishes, export enabling signal in order to when this startup timer receives this second control signal; Starting switch couples this startup timer, in order to when this starting switch receives this enabling signal, starts this electronic installation; And test cell, couple this electronic installation, in order to when this electronic installation is activated, to test this electronic installation.
Above-mentioned test macro is characterized in that, this test macro also comprises counter, couples this ac power switch device and this delay timer, and when receiving once this first control signal with this second control signal once at this counter, counting once.
Above-mentioned test macro is characterized in that, this connectivity port is printer connectivity port or serial port.
Above-mentioned test macro is characterized in that, this delay timer is a time-limit relay.
Above-mentioned test macro is characterized in that, this startup timer is a time-limit relay.
For achieving the above object, the invention provides a kind of test macro, this test macro comprises the electronic installation and the testing apparatus that can produce first control signal, this testing apparatus comprises: mains switch; Transformer, couple this mains switch, this transformer has a direct current voltage output end and an ac voltage output, when this mains switch was closed circuit, this transformer received alternating voltage and sees through this dc voltage output end output dc voltage and see through this ac voltage output output AC voltage to this electronic installation; Reed relay receives first control signal of this electronic installation; First power relay comprises: first DC power supply couples this reed relay; First end points couples this dc voltage output end; Second end points; And the 3rd end points couples this first end points; Second power relay comprises: second DC power supply couples this second end points and this reed relay; The 4th end points couples this transformer; The suspension joint point; The five terminal point couples the 4th end points; And when this reed relay receives this first control signal, this first end points disconnect with the 3rd end points be connected and this first end points couples this second end points, this moment, the 4th end points disconnected and being connected and being coupled to this suspension joint point of this five terminal point, made this transformer stop to export this alternating voltage to this electronic installation; First time-delay relay couples this second power relay, when the 4th end points disconnects and being connected of this five terminal point, and this first time-delay relay shutdown delay time that picks up counting, and when timing finishes, export second control signal; Second time-delay relay couples this first time-delay relay, when this second time-delay relay receives this second control signal, picked up counting for second scheduled time, and when timing finishes, the output enabling signal; Starting switch couples this second time-delay relay, in order to when this starting switch receives this enabling signal, starts this electronic installation; And test cell, couple this electronic installation, in order to when this electronic installation is activated, to test this electronic installation.
Above-mentioned test macro is characterized in that, this testing apparatus also comprises a counter, couples this first power relay, in order to count the switch number of times of this electronic installation.
Above-mentioned test macro is characterized in that, this testing apparatus also comprises the button that makes zero, and couples this counter, the number of times of counting in order to this counter that makes zero.
Above-mentioned test macro is characterized in that, this testing apparatus also comprises a testing button, couples this dc voltage output end and this first DC power supply, in order to simulate this first control signal.
Technique effect of the present invention is:
Test macro provided by the invention, utilization is equiped with the tool of an ac power switch device, a delay timer, a startup timer, reach the test between every during complete closeall AC and DC power supply, make on the electronic installation to be measured without any electric current and voltage, and can be in the effect of the time cycle automatic switching of setting.
Description of drawings
Fig. 1 is the structure block diagram of an embodiment of test macro of the present invention; And
Fig. 2 is the circuit diagram of an embodiment of the testing apparatus in the test macro of the present invention.
Embodiment
Fig. 1 is the structure block diagram of an embodiment of test macro of the present invention.See also shown in Figure 1ly, test macro comprises electronic installation 11, testing apparatus (among the figure sign) and power supply unit 12, couples electronic installation 11 and testing apparatus.Wherein, testing apparatus comprises ac power switch device 18, delay timer 16, starts timer 14, starting switch 15, test cell 13 and counter 17.
In a preferred embodiment of the present invention, electronic installation 11 is a motherboard.When electronic installation 11 begins to accept test, the test that it receives the power supply of power supply unit 12 and accepts test cell 13.Wherein, test cell 13 may be a Storage Media, as 3.5 o'clock floppy drives, random access memory RAM or other similar assembly or device, stores test program, in order to testing electronic devices 11.After electronic installation 11 tests finish, can transmit an off signal to ac power switch device 18, with the out-put supply of powered-down supply 12.In the present invention, electronic installation 11 can see through a serial port (COMport) (identifying among the figure) with testing apparatus or a printer connectivity port (LPT port) (identifying among the figure) is connected, so off signal can see through serial port or the printer connectivity port be sent to ac power switch device 18.
Behind the out-put supply of ac power switch device 18 powered-down supplies 12, export one first control signal and give delay timer 16 and counter 17.Delay timer 16 count enables one delay scheduled time after the time, counting finished, is exported one second control signal and is given counter 17 and start timer 14.In the present invention, delay timer 16 can be a time-limit relay, and this delay scheduled time is done corresponding adjustment because of the difference of tested electronic installation 11.In the present invention, be preferably 2 seconds to 10 seconds the time of delay that is applicable to the electronic installation of motherboard.
When counter 17 received first control signal, counter 17 was activated, when counter 17 receives second control signal, and counter 17 countings 1 time.In the present invention, counter 17 can be any type of counter, may be finished by a software program, or a hardware structure is finished.In the present invention, counter 17 has exterior display device, as seven-segment display or light-emitting diode display, in order to show the testing time of present electronic installation 11.Counter 17 more couples the button that makes zero, in order to the counter 17 that makes zero so that counting again.
When starting timer 14 these second control signals of reception, start timer 14 countings one delay scheduled time, after the time, counting finished, export an enabling signal.In the present invention, starting timer 14 is a time-limit relay, and this startup scheduled time is then done corresponding adjustment because of the difference of tested electronic installation 11.In the present invention, be preferably 2 seconds to 10 seconds a start-up time that is applicable to the electronic installation of motherboard.After starting switch 15 received enabling signal, ac power switch device 18 is the power supply output of power-on supply 12 also, makes electronic installation 11 be activated, and continues testing process next time.Utilize as shown in Figure 1 test macro just can make the testing process full automation, and can utilize the test program in counter 17 or the test cell 13 to set a predetermined testing time, has accepted when electronic installation 11 just to stop to test after the test of pre-determined number.
Fig. 2 is the circuit diagram of an embodiment of the testing apparatus in the test macro of the present invention.See also shown in Figure 2ly, this testing apparatus comprises: the transformer 202 of mains switch 201, tool one direct current voltage output end and an ac voltage output, testing button 203, reed relay 204, first power relay 205, second power relay 206, counter 207, the button 208 that makes zero, indication LED 209, first time-delay relay 210, second time-delay relay 211, starting switch 212 and test cell (among the figure sign).
Represented circuit connecting mode when operating in Fig. 2 for this testing apparatus, this moment, indication LED 209 was luminous, and when testing apparatus receives an off signal or testing button 203 when being depressed, LED209 extinguishes.When mains switch 201 was opened, transformer 202 was accepted an external communication voltage Vin and is exported an alternating voltage Vout to tested electronic installation (not identifying among the figure) and a direct current voltage, and in the present embodiment, direct voltage is 5V.The positive terminal of the DC power supply in first power relay 205 couples the positive terminal of reed relay 204, the negative pole end of DC power supply couples the negative pole end of direct voltage, first end points 1 couples the positive terminal of direct voltage, second end points 2 couples the positive terminal of the DC power supply in second power relay 206, and 3 of the 3rd end points couple counter 207.When reed relay 204 received an off signal, the binding of the 3rd end points 3 and first end points 1 disconnected in first power relay 205 at this moment, and first end points 1 couples second end points 2.Because second end points 2 of first power relay 205 couples the DC power supply in second power relay 206, make that the binding of the 4th end points 4 and five terminal point 5 disconnects in second power relay 206, the 4th end points 4 is coupled to suspension joint point 6.The 4th end points 4 of second power relay 206 is coupled to the end in the ac voltage output of transformer 202, and five terminal point 5 is coupled to the AC power in first time-delay relay 210.When the 4th end points 4 of second power relay 206 was coupled to suspension joint and puts 6, transformer 202 was ended output AC voltages and is given tested electronic installation.Utilize above-mentioned function mode just can reach to make no any alternating voltage and the purpose of direct voltage on the tested electronic installation.
Testing button 203 couples the positive terminal of the dc voltage output end of the positive terminal of reed relay 204 and transformer 202, receives in order to simulate first power relay 205 whether the running of off signal and the testing apparatus in the resolution chart 2 can normal operations.When the binding of counter 207 the 3rd end points 3 and first end points 1 in first power relay 205 disconnected, just counting once.Counter 207 more couples the button 208 that makes zero, in order to the counter 207 that makes zero so that counting again.In the present invention, counter 207 can be any type of counter, may be finished by a software program, or a hardware structure is finished.In the present invention, counter 207 has exterior display device, as seven-segment display or light-emitting diode display, in order to the testing time that shows that present electronic installation is finished.
When the 4th end points 4 of second power relay 206 is coupled to suspension joint and puts 6, first time-delay relay 210 picks up counting a shutdown scheduled time, after timing finishes, end points 8 in first time-delay relay 210 and end points 12 conductings, and start second time-delay relay 211 and pick up counting and one start the scheduled time.After 211 timing of second time-delay relay finished, end points 1,5 and 9 conductings made starting switch 212 send an enabling signal to start tested electronic installation, continue testing process next time.
Claims (9)
1. test macro is characterized in that:
This test macro comprises electronic installation;
Power supply unit couples this electronic installation; And
Testing apparatus has the connectivity port in order to couple this electronic installation, comprising:
The ac power switch device couples this power supply unit, in order to receive the off signal that this electronic installation transmits, closes this power supply unit and exports first control signal;
Delay timer couples this ac power switch device, when receiving this first control signal at this delay timer, picked up counting for first scheduled time, and export second control signal when timing finishes;
Start timer, couple this delay timer,, picked up counting for second scheduled time, and when timing finishes, export enabling signal in order to when this startup timer receives this second control signal;
Starting switch couples this startup timer, in order to when this starting switch receives this enabling signal, starts this electronic installation; And
Test cell couples this electronic installation, in order to test this electronic installation when this electronic installation is activated.
2. test macro according to claim 1, it is characterized in that this test macro also comprises counter, couple this ac power switch device and this delay timer, when receiving once this first control signal with this second control signal once at this counter, counting once.
3. test macro according to claim 1 is characterized in that, this connectivity port is printer connectivity port or serial port.
4. test macro according to claim 1 is characterized in that, this delay timer is a time-limit relay.
5. test macro according to claim 1 is characterized in that, this startup timer is a time-limit relay.
6. test macro is characterized in that:
This test macro comprises electronic installation, can produce first control signal; And
Testing apparatus comprises:
Mains switch;
Transformer, couple this mains switch, this transformer has a direct current voltage output end and an ac voltage output, when this mains switch was closed circuit, this transformer received alternating voltage and sees through this dc voltage output end output dc voltage and see through this ac voltage output output AC voltage to this electronic installation;
Reed relay receives first control signal of this electronic installation;
First power relay comprises:
First DC power supply couples this reed relay;
First end points couples this dc voltage output end;
Second end points; And
The 3rd end points couples this first end points;
Second power relay comprises:
Second DC power supply couples this second end points and this reed relay;
The 4th end points couples this transformer;
The suspension joint point;
The five terminal point couples the 4th end points; And
When this reed relay receives this first control signal, this first end points disconnect with the 3rd end points be connected and this first end points couples this second end points, this moment, the 4th end points disconnected and being connected and being coupled to this suspension joint point of this five terminal point, made this transformer stop to export this alternating voltage to this electronic installation;
First time-delay relay couples this second power relay, when the 4th end points disconnects and being connected of this five terminal point, and this first time-delay relay shutdown delay time that picks up counting, and when timing finishes, export second control signal;
Second time-delay relay couples this first time-delay relay, when this second time-delay relay receives this second control signal, picked up counting for second scheduled time, and when timing finishes, the output enabling signal;
Starting switch couples this second time-delay relay, in order to when this starting switch receives this enabling signal, starts this electronic installation; And
Test cell couples this electronic installation, in order to test this electronic installation when this electronic installation is activated.
7. test macro according to claim 6 is characterized in that this testing apparatus also comprises a counter, couples this first power relay, in order to count the switch number of times of this electronic installation.
8. test macro according to claim 6 is characterized in that, this testing apparatus also comprises the button that makes zero, and couples this counter, the number of times of counting in order to this counter that makes zero.
9. test macro according to claim 6 is characterized in that this testing apparatus also comprises a testing button, couples this dc voltage output end and this first DC power supply, in order to simulate this first control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610073725A CN100576744C (en) | 2006-03-31 | 2006-03-31 | Test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610073725A CN100576744C (en) | 2006-03-31 | 2006-03-31 | Test macro |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101047374A true CN101047374A (en) | 2007-10-03 |
| CN100576744C CN100576744C (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610073725A Expired - Fee Related CN100576744C (en) | 2006-03-31 | 2006-03-31 | Test macro |
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| Country | Link |
|---|---|
| CN (1) | CN100576744C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520370A (en) * | 2011-12-31 | 2012-06-27 | 曙光信息产业股份有限公司 | Server switching power supply testing method and server switching power supply testing device |
| CN103163395A (en) * | 2011-12-14 | 2013-06-19 | 技嘉科技股份有限公司 | Power on-off testing device |
| CN103364702A (en) * | 2012-04-02 | 2013-10-23 | 威光自动化科技股份有限公司 | Test system |
| CN104459422A (en) * | 2014-12-26 | 2015-03-25 | 环旭电子股份有限公司 | Power line interference test system and method |
| CN109324252A (en) * | 2017-07-31 | 2019-02-12 | 英业达科技有限公司 | Power key test macro and method |
-
2006
- 2006-03-31 CN CN200610073725A patent/CN100576744C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163395A (en) * | 2011-12-14 | 2013-06-19 | 技嘉科技股份有限公司 | Power on-off testing device |
| CN102520370A (en) * | 2011-12-31 | 2012-06-27 | 曙光信息产业股份有限公司 | Server switching power supply testing method and server switching power supply testing device |
| CN102520370B (en) * | 2011-12-31 | 2015-02-18 | 曙光信息产业股份有限公司 | Server switching power supply testing method and server switching power supply testing device |
| CN103364702A (en) * | 2012-04-02 | 2013-10-23 | 威光自动化科技股份有限公司 | Test system |
| CN104459422A (en) * | 2014-12-26 | 2015-03-25 | 环旭电子股份有限公司 | Power line interference test system and method |
| CN104459422B (en) * | 2014-12-26 | 2017-08-18 | 环旭电子股份有限公司 | The method of testing of Interference from the power supply wire test system |
| CN109324252A (en) * | 2017-07-31 | 2019-02-12 | 英业达科技有限公司 | Power key test macro and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100576744C (en) | 2009-12-30 |
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Granted publication date: 20091230 Termination date: 20140331 |