CN201181320Y - Test device for computer opening/closing - Google Patents
Test device for computer opening/closing Download PDFInfo
- Publication number
- CN201181320Y CN201181320Y CNU2008200568908U CN200820056890U CN201181320Y CN 201181320 Y CN201181320 Y CN 201181320Y CN U2008200568908 U CNU2008200568908 U CN U2008200568908U CN 200820056890 U CN200820056890 U CN 200820056890U CN 201181320 Y CN201181320 Y CN 201181320Y
- Authority
- CN
- China
- Prior art keywords
- test
- power supply
- devices
- switching
- shutting down
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model relates to an on/off test fixture which is electrically connected with an external power source and then used for testing the on/off capacity of at least one tested device. The external power source comprises at least a first power source and a second power source. The on/off test fixture comprises a conversion unit electrically connected to the first power source; a switching unit electrically connected to the second power source and the tested device and used for controlling the switch-on/switch-off of the power supply circuit of the tested device; and a testing unit electrically connected with conversion unit and the tested device, wherein the conversion unit and the testing unit are connected in series to form a test data transmission path; the switching unit and the test data transmission path are connected in parallel; and after the switching unit cuts off the power supply from the second power source to the tested device, the testing unit outputs the on/off test result of the tested device.
Description
Technical field
The utility model relates to a kind of in order to Devices to test is carried out the tool of switching on and shutting down test, particularly relates to a kind of switching on and shutting down measurement jig that Devices to test is carried out the machine open/close strength test.
Background technology
Present many electronic products, as audio-visual devices, video equipment, monitoring instrument, switch, server, portable computer, and electronic equipment such as computer peripheral all must have supply unit, certainly will also have the parts of power switch, thereby we can utilize power switch the impact that electronic equipment caused to be carried out " ON/OFF " machine strength test of product in the moment of power-on, it no matter is the development and Design stage at new product, error correction stages or property of fine qualities aspect all are very important test events, especially for example the digital product of PC, no matter whether the operation enhancing efficiency of PC, the user pay attention to the most nothing more than the reliability and stability that are system, so, the factory chamber of commerce carries out multinomial degree of stability or performance to product before product export test to be guaranteeing product quality, and " ON/OFF " machine strength test important test event especially.
Therefore, can succeed in developing and avoid product to have potential problem smoothly in order to make new product, traditional method of testing is to reach test purpose with the mechanical actions such as On/Off that artificial mode successively repeats, because manually-operated is more uninteresting, waste of manpower, and can only operate in the working time, and the number of times of switching on and shutting down is limited, be difficult to reach the test effect of expection, so, existing designer develops a kind of novel autoamtic on-off tester, replacing manually-operated, and can be simultaneously in batches many Devices to tests are carried out test jobs.
This autoamtic on-off tester is to be made of other modules (as test module) in power module, switch module and the control part, after this electric power source pair of module external power source is changed, other modules in switch module and the control part is implemented power supply; This switch module is to be used for the device to be measured (UUT) that is connected to this autoamtic on-off tester is powered and On/Off operation repeatedly; This test module is then collected the test result of this device to be measured of record.But, because other modules in this switch module and this control part are with being powered by this power module, and other module power loads in this autoamtic on-off tester and the control part are big, may cause the power supply instability that offers device to be measured by switch module, thereby the situation that erroneous judgement appears in test result takes place, and have influence on precision of test result.
Therefore, how to design a kind of autoamtic on-off tester, stable and finish test jobs smoothly to the power supply of this device to be measured to guarantee, real is the present problem demanding prompt solution of dealer of association area.
The utility model content
In view of the shortcoming of above-mentioned prior art, a purpose of the present utility model provides a kind of switching on and shutting down measurement jig, uses power supply so that Devices to test and this switching on and shutting down measurement jig divide, to guarantee the stability to the power supply test of this device to be measured.
Another purpose of the present utility model provides a kind of switching on and shutting down measurement jig, to guarantee precision of test result.
For achieving the above object and other relevant purposes, the utility model provides a kind of switching on and shutting down measurement jig, after electrically connecting external power source, at least one Devices to test is carried out the machine open/close strength test, and this external power source has the first via power supply and the second road power supply at least, and this switching on and shutting down measurement jig comprises converting unit, switch element and test cell.Wherein, this converting unit is electrically connected to this first via power supply, and exports a power supply signal; This test cell is that an end is electrically connected at this converting unit, and the other end is electrically connected at this Devices to test, this converting unit and test cell are connected in series to form a test data transmission path, wherein after this test cell obtains power supply signal that this converting unit exports this Devices to test are tested; Switch element is that an end is electrically connected to this second road power supply, and the other end is electrically connected at this Devices to test, this switch element in order to the power delivery that switches on or off this second road power supply and provided to this Devices to test, and this switch element and this test data transmission path are for being connected in parallel, switch on or off power delivery that this second road power supply provided to this Devices to test at this switch element, this test cell is obtained the switching on and shutting down test result of this Devices to test.
Aforementioned switching on and shutting down measurement jig of the present utility model, wherein, this external power source is an AC power, so this first via power supply and this second road power supply are AC power; This converting unit has a power-switching circuit, in order to this first via power source conversion is become the working power of this test cell; This switch element is one group of electronic switch; This switch element is via software control this Devices to test to be switched on or off operation.
As mentioned above, the principal character of switching on and shutting down measurement jig of the present utility model be in control this Devices to test feed circuit break-make (turn on/turn off) switch element with have different power source path in order to the test cell of testing this Devices to test, the first via power supply that is switching on and shutting down measurement jig of the present utility model by external power source makes this Devices to test of switch element On/Off, and this Devices to test that the second road power supply by external power source makes test cell open or close this switch element is tested, have under the different electrical power path at this switching on and shutting down measurement jig, make the test result of Devices to test more accurate.
Description of drawings
Fig. 1 receives external power source carries out the switching on and shutting down test to Devices to test connection framework block schematic diagram for switching on and shutting down measurement jig of the present utility model.
The component symbol simple declaration:
1 external power source
11 first via power supplys
12 the second road power supplys
2 switching on and shutting down measurement jigs
21 converting units
22 switch elements
23 test cells
3 Devices to tests
Embodiment
Below by specific instantiation embodiment of the present utility model is described, those skilled in the art can understand other advantages of the present utility model and effect easily by the disclosed content of this instructions.The utility model also can be implemented or be used by other different instantiations, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present utility model not deviating from.
The following drawings is the synoptic diagram of simplification, basic conception of the present utility model only is described in a schematic way, only show the element relevant among the figure but not component number, shape and size drafting when implementing according to reality with the utility model, kenel, quantity and the ratio of each element can be a kind of random change during its actual enforcement, and its component placement kenel may be complicated more.
See also Fig. 1, be the work configuration diagram of switching on and shutting down measurement jig of the present utility model.As shown in the figure, the utility model provides a kind of switching on and shutting down measurement jig 2, after electrically connecting external power source 1, at least one Devices to test 3 is carried out the machine open/close strength test, and this external power source 1 has the first via power supply 11 and the second road power supply 12 at least, promptly this first via power supply 11 is two branch circuits of this external power source 1 with this second road power supply 12, and this first via power supply 11 is in order to providing 2 work of this switching on and shutting down measurement jig required power supply, and this second road power supply 12 is in order to provide these Devices to test 3 work required power supply.In present embodiment, this external power source 1 is an AC power, and this first via power supply 11 and this second road power supply 12 are AC power; Particularly, this AC power is 110V～220V AC power, yet is not limited thereto.This Devices to test 3 can be such as AV device, video-unit, monitoring instrument, switch, server, portable computer, and electronic equipment such as computer peripheral.This switching on and shutting down measurement jig 2 comprises converting unit 21, switch element 22 and test cell 23.
This converting unit 21 is electrically connected to this first via power supply 11, exports a power supply signal.In present embodiment, this converting unit 21 has a power-switching circuit (not shown), this power-switching circuit is in order to convert this first via power supply 11 to the working power of this Devices to test 3, particularly, this power-switching circuit is converted to dc supply in order to the first via power supply 11 that will be somebody's turn to do to AC power, but, being not limited thereto, the power source conversion of other types (as voltage transitions etc.) is equally applicable to the utility model.
This switch element 22 is that an end is electrically connected to this second road power supply 12, and the other end is electrically connected at this Devices to test 3, in order to switch on or off power delivery that this second road power supply 12 provided to this Devices to test 3.In present embodiment, this switch element 22 is one group of electronic switch, that is, be these the second road power supply, 12 unlatchings of control or for example CMOS transistor of closing, meet face type field-effect transistor (Junction Field Effect Transister; JFET) etc. electronic component or circuit; In present embodiment, this switch element 22 is the operations of the supply path of Devices to test being opened/cutting off via software (for example counting procedure etc.) control, and perhaps, this switch element 22 is to carry out the operation of circuit unlatching/cut-out via manual control.
Of particular note, this the second road power supply 12 provides electric power energy via this switch element 22 for this Devices to test 3, and by the unlatching of this switch element 22 these Devices to tests 3 of control or close, that is, realized that this Devices to test 3 and this converting unit 21 separate the purpose of using power supply.
This test cell 23 is that an end is electrically connected at this converting unit 21, and the other end is electrically connected at this Devices to test 3, this converting unit 21 is connected in series to form a test data transmission path with test cell 23, to receive the power supply signal of these converting unit 21 outputs, and this Devices to test 3 tested, and formed test data transmission path is to form with aforementioned switches unit 22 to be connected in parallel because this converting unit 21 and test cell 23 are connected in series, so switch on or off power delivery that this second road power supply 12 provided to this Devices to test 3 at this switch element 22, this test cell 23 can be obtained the switching on and shutting down test result of this Devices to test 3.In present embodiment, when this test cell 23 receives the power supply signal of these converting unit 21 outputs, send test signal to this Devices to test 3, simultaneously, the operation repeatedly of opening or closing via 22 pairs of these Devices to tests 3 of this switch element, this moment, this test cell 23 was collected record switching on and shutting down test data, finished test jobs.
By content shown in Figure 1 as can be known, this external power source 1 is divided into the first via power supply 11 and the second road power supply 12, and the converting unit 21 and the switch element 22 that are respectively in this switching on and shutting down measurement jig 2 provide electric power energy, make the Devices to test of controlling via this switch element 22 3 carry out test cell 23 separate power supplies of test jobs, with the test problem of unstable of avoiding causing because of multiple module common source in the existing switching on and shutting down measurement jig with this.
In sum, switching on and shutting down measurement jig of the present utility model, be to divide in the switch element of the break-make of controlling these Devices to test feed circuit and in order to the test cell of testing this Devices to test to use power supply, the switch element that promptly is used to control this Devices to test uses power supply separately, to guarantee precision of test result, compared with prior art, avoided, and then caused test result the problem of erroneous judgement to occur because of a plurality of module common sources cause the power supply instability that offers device to be measured.
The foregoing description is illustrative principle of the present utility model and effect thereof only, but not is used to limit the utility model.Any those skilled in the art all can be under spirit of the present utility model and category, and the foregoing description is modified and changed.Therefore, the technical staff in the technical field modifies or changes not breaking away from all equivalences of being finished under spirit that the utility model discloses and the technological thought such as, must be contained by the scope of claims.
Claims (6)
1, a kind of switching on and shutting down measurement jig carries out the machine open/close strength test at least one Devices to test after electrically connecting external power source, and this external power source has the first via power supply and the second road power supply, it is characterized in that this switching on and shutting down measurement jig comprises:
Converting unit is electrically connected to this first via power supply, and exports a power supply signal;
Test cell, one end is electrically connected at this converting unit, and the other end is electrically connected at this Devices to test, and this converting unit and test cell are connected in series to form a test data transmission path, wherein after this test cell obtains this power supply signal this Devices to test are tested; And
Switch element, one end is electrically connected to this second road power supply, and the other end is electrically connected at this Devices to test, this switch element in order to the power delivery that switches on or off this second road power supply and provided to this Devices to test, and this switch element and this test data transmission path are for being connected in parallel, switch on or off power delivery that this second road power supply provided to this Devices to test at this switch element, this test cell is obtained the switching on and shutting down test result of this Devices to test.
2, switching on and shutting down measurement jig according to claim 1 is characterized in that, this external power source is an AC power.
3, switching on and shutting down measurement jig according to claim 1 is characterized in that, this first via power supply and this second road power supply are AC power.
4, switching on and shutting down measurement jig according to claim 1 is characterized in that, this converting unit has a power-switching circuit, in order to this first via power source conversion is become the working power of this test cell.
5, switching on and shutting down measurement jig according to claim 1 is characterized in that, this switch element is one group of electronic switch.
6, switching on and shutting down measurement jig according to claim 5 is characterized in that, this switch element is via software control operation is opened or closed to this Devices to test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200568908U CN201181320Y (en) | 2008-04-03 | 2008-04-03 | Test device for computer opening/closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200568908U CN201181320Y (en) | 2008-04-03 | 2008-04-03 | Test device for computer opening/closing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201181320Y true CN201181320Y (en) | 2009-01-14 |
Family
ID=40250819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200568908U Expired - Fee Related CN201181320Y (en) | 2008-04-03 | 2008-04-03 | Test device for computer opening/closing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201181320Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200558A (en) * | 2010-03-25 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Starting-up/shutdown detection circuit |
| CN106909479A (en) * | 2015-12-23 | 2017-06-30 | 研祥智能科技股份有限公司 | A kind of test device for computer opening/closing |
| CN110633178A (en) * | 2018-06-21 | 2019-12-31 | 深圳市鸿合创新信息技术有限责任公司 | Automatic startup and shutdown testing method for touch screen all-in-one machine |
-
2008
- 2008-04-03 CN CNU2008200568908U patent/CN201181320Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200558A (en) * | 2010-03-25 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Starting-up/shutdown detection circuit |
| CN106909479A (en) * | 2015-12-23 | 2017-06-30 | 研祥智能科技股份有限公司 | A kind of test device for computer opening/closing |
| CN106909479B (en) * | 2015-12-23 | 2020-11-17 | 研祥智能科技股份有限公司 | Startup and shutdown test fixture |
| CN110633178A (en) * | 2018-06-21 | 2019-12-31 | 深圳市鸿合创新信息技术有限责任公司 | Automatic startup and shutdown testing method for touch screen all-in-one machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202693755U (en) | Comprehensive test device for integrated circuit | |
| CN105242218A (en) | DC source full-coverage automatic test system | |
| CN104198867A (en) | Testing method and testing equipment for arc protection device | |
| CN103616560A (en) | Automatic power consumption parameter testing device and method applied to avionics device | |
| CN208818807U (en) | Exit relay performance test apparatus and test macro | |
| CN103487695A (en) | Detection device for merging unit based on analog input | |
| CN201181320Y (en) | Test device for computer opening/closing | |
| CN105021905A (en) | Transformer direct current resistance and transformer group tester | |
| CN102236046B (en) | Method for detecting voltage monitoring function of electricity utilization management terminals in batches | |
| CN101666866A (en) | Checking device for high-voltage switch property test instrument | |
| CN201096866Y (en) | A diode life tester | |
| CN106329912A (en) | Auxiliary power supply circuit | |
| CN201489085U (en) | Automated testing device of circuit board | |
| CN201444192U (en) | Checking apparatus for high-voltage switching characteristic tester | |
| CN102866378B (en) | Voltage or current transformer on-line test device and voltage or current transformer on-line test method | |
| CN206161804U (en) | Accuse circuit breaker dropout testing arrangement is taken to intelligence | |
| CN202886585U (en) | On-line test device for voltage/current transformer | |
| CN205427070U (en) | Based on many converters of labVIEW aging testing system | |
| CN207457381U (en) | A kind of signal processing module overall checkout equipment | |
| CN202093088U (en) | Electrical parameter measuring device | |
| CN201673224U (en) | Intelligent surface-mounted optical coupling tester | |
| CN207440201U (en) | A kind of condenser leakage current multichannel independent test system | |
| CN207623501U (en) | A kind of terminal batch for electric energy quality monitoring tests system | |
| CN109490746A (en) | A kind of SPI FLASH class chip test system | |
| CN201548649U (en) | Test tooling of single plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20160403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |