CN100351804C - Multi-computer detest switch-over device - Google Patents
Multi-computer detest switch-over device Download PDFInfo
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- CN100351804C CN100351804C CNB2004100305097A CN200410030509A CN100351804C CN 100351804 C CN100351804 C CN 100351804C CN B2004100305097 A CNB2004100305097 A CN B2004100305097A CN 200410030509 A CN200410030509 A CN 200410030509A CN 100351804 C CN100351804 C CN 100351804C
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Abstract
The present invention discloses a multi-computer test switching device which comprises a plurality of host computer interfaces, an external device interface, a host computer selector and a switching switch, wherein the host computer interfaces are used for being accessed to corresponding hosts used for test; the external device interface is used for being accessed to an external device used for test; the host computer selector is respectively connected with the external device interface and each host computer interface, and is used for switching and selecting each host computer interface in order that the connection between host computers to be tested which are accessed by corresponding host computer interfaces and the external device accessed by the external device interface is realized; the switching switch is used for controlling the host computer selector to switch and select corresponding host computer interfaces to realize multiple-computer test switching. The present invention is provided with the external device interface and a plurality of host computer interfaces, uses the host computer selector to switch host computers connected with the host computer interfaces, and realizes that a set of external device used for test is used for testing and switching a plurality of host computers, so that the resource utilization ratio of the external device can be increased, and the time, the space, the energy sources and other expenses, which are consumed by computer test can be saved.
Description
Technical field
The present invention relates to PC (PC) measuring technology, refer to a kind of many computer testing switcher especially.
Background technology
In the production run of PC and server product, performance for testing product, need test the product of producing, test is main by the corresponding testing software of operation on main frame, the various performances of products-hardware and the compatibility of software are tested, when testing, except tested main frame, also need auxiliary external equipments such as keyboard, mouse and display, so that form the complete test macro of a cover.
Prior art is in test process, adopt the independent supporting method of using that is connected of main frame and external equipment, be every main frame all to connect one the cover external equipment test, this equipment configuration mode is because the hold facility place is big and need use a large amount of external equipments, not only make test job efficient lower, and waste external equipment resource, be unfavorable for reducing testing cost.
Summary of the invention
The technical matters that the present invention solves provides a kind of many computer testing switcher that can conveniently switch between many Test Hosts, use these many computer testing switcher and can realize many shared cover test external equipments of Test Host, can improve test job efficient, reduce testing cost.
For addressing the above problem, many computer testing switcher of the present invention comprise:
A plurality of host interface are used to insert the respective host of testing usefulness;
Interfaces for external devices is used to insert the external equipment of testing usefulness;
The main frame selector switch links to each other with described interfaces for external devices and each host interface respectively, is used to switch select each host interface so that the tested main frame that the respective host interface inserts is realized being connected with the external equipment that interfaces for external devices inserts;
Change-over switch is used to control described main frame selector switch and switches and select the respective host interface to switch to realize many computer tests, and the pattern of described control comprises manually according to the order of sequence switch mode, automatic sequential switch mode and switch mode as required.
Wherein, described interfaces for external devices comprises: keyboard interface, mouse interface and display interface device.
Further, also comprise:
The routing display links to each other with described change-over switch and main frame selector switch, is used for main frame splitting signal according to main frame selector switch output and shows selecteed respective host number.
Best, described main frame selector switch is made up of counting chip and gating chip, described gating chip links to each other with interfaces for external devices and respective host interface respectively, described counting chip counting output pin then links to each other with the gating control pin of gating chip respectively, connects external equipment and respective host by the count signal control gating chip switching of counting chip output.
Best, the pattern of described change-over switch is manually according to the order of sequence during switch mode, and described change-over switch is made up of trigger switch, and described trigger switch links to each other with described counting chip, and manual triggers is controlled described counting chip circulation output respective synchronization switching signal.
Best, when the pattern of described change-over switch is the automatic sequential switch mode, described change-over switch is made up of pulse generating circuit, and described pulse generating circuit links to each other with described counting chip, produces pulse signal by the cycle and triggers the described counting chip circulation of control output respective synchronization switching signal.
Best, the pattern of described change-over switch is as required during switch mode, and described change-over switch is made up of coding chip, and described coding chip links to each other with counting chip, and coding triggers the required synchronous switching signal of control counting chip output.
Best, described counting chip is 8 to select 1 counting chip or 16 to select 1 counting chip.
Compared with prior art, the present invention has the following advantages:
The application of the many computer testing switcher of the present invention, by being equipped with interfaces for external devices and a plurality of host interface, utilize the main frame selector switch that the main frame that connects each host interface is switched, realization one cover test is switched use with external equipment for a plurality of host tests, the external equipment resource utilization can be improved, spent time of computer test, space, the energy and other cost can be saved;
Further, many computer testing switcher of the present invention also provide multiple main frame switching mode for selecting for use, and for example manually switching, automatic sequential switching etc. according to the order of sequence make test operation more flexible, use also more convenient.
Description of drawings
Fig. 1 is the composition frame chart of the many computer testing switcher of the present invention;
Fig. 2 is the synoptic diagram of the selection main frame of the described main frame selector switch of Fig. 1;
Fig. 3 is the built-up circuit synoptic diagram of manual commutator switch in the many computer testing switcher of the present invention;
Fig. 4 is the built-up circuit synoptic diagram of automatic sequential change-over switch in the many computer testing switcher of the present invention;
Fig. 5 is the manual built-up circuit synoptic diagram of change-over switch as required in the many computer testing switcher of the present invention;
Fig. 6 is the built-up circuit synoptic diagram of routing display in the many computer testing switcher of the present invention.
Embodiment
Indication external equipment of the present invention comprises keyboard, mouse and display, for realizing and being connected of described external equipment, keyboard switching circuit board, mouse switching circuit board or display switching circuit board can be set respectively, described circuit board is preferably supported external equipments such as the mouse of PS2 and USB interface and keyboard, and when using USB device, can be in keyboard and mouse change-over circuit plate internal USB HUB so that can use a plurality of USB device to test simultaneously.In addition, also comprise functions such as some auxiliary circuit boards realization signal converting amplifications among the present invention, the layering in cabinet of each circuit board is placed, and is beneficial to I﹠M, can select above-mentioned one or more external equipments to be used for test according to test request.
With reference to figure 1, the composition frame chart of the many computer testing switcher of the present invention, described many computer testing switcher mainly comprise with the lower part: a plurality of host interface 11, interfaces for external devices 12, main frame selector switch 13 and change-over switch 14 describe respectively below.
Interfaces for external devices 12 is mainly used in the external equipment that inserts test usefulness, and the switching capable of circulation when test of described external equipment is connected to each main frame, realizes the shared cover external equipment of a plurality of main frames;
Main frame selector switch 13 links to each other with each host interface 11 and described interfaces for external devices 12 respectively, is mainly used in to switch to select each host interface so that the tested main frame that the respective host interface inserts is realized being connected with the external equipment that interfaces for external devices inserts;
Change-over switch 14 is used to control described main frame selector switch 13 and switches selection respective host interface to realize many computer tests switchings;
Above-mentioned host interface 11 and interfaces for external devices 12 all are the standard computer interface.
Describe main frame selector switch 13 below in detail and select the principle of main frame, with reference to figure 2, described main frame selector switch 13 can realize that (counting chip does not illustrate at Fig. 2 by counting chip and gating chip, its output count signal passes through A ', B ', C ' and D ' output to each gating chip), for different switch test requirements, the counting chip and the gating chip number that adopt differ, (U36 as shown in Figure 2～U45) also realizes that No. 16 main frames switch and describes present embodiment to adopt 1 counting chip and 10 gating chips, described in addition external equipment is example with the display, wherein display links to each other with each gating chip by the interfaces for external devices plate (U29) of a 6PIN, each main frame also passes through the host interface plate (U13～U28) link to each other with each gating chip of 6PIN, in addition, with reference to figure 3, described counting chip U6 comprises that a pulse input pin (being the pin two of U6) and four count signal output pins (are U6 pin one 1,12,13,14), four counting output pins of described counting chip U6 link to each other with the gating control pin of 10 gating chips respectively, as shown in Figure 2, the count signal of counting chip U6 output passes through A ', B ', C ' and D ' output to pin 7 among gating chip U36～U39,9,10,11 and the pin 6 of U40～U45,9,10,11, the count signal of described counting chip U6 output is synchronous switching signal, can select to control each gating chip operation and connect the respective host interface to realize that interfaces for external devices is switched.
It is above-mentioned when external equipment is keyboard, it realizes the same display of principle of switching, just because the signal that keyboard need be changed has only 4, so the gating number of chips is than showing lacking of conversion, described counting chip is preferably 16 and selects 1 counter, described interfaces for external devices plate is a keyboard interface, it links to each other with 16 relays, and control the action of 16 relays, the closure that COM (common) holds and NO (normally opened contact) holds by relay, thereby make the signal conduction of keyboard, keyboard is connected with main frame.
And when external equipment was mouse, because it is similar with keyboard signal, its principle that realizes many computer tests switchings was identical with keyboard, repeated no more here.
The following describes the theory of constitution of change-over switch 14, the present invention can realize different handover trigger patterns, to adapt to the demand of different test case, described change-over switch can be manual commutator switch, automatic sequential change-over switch or manual change-over switch as required, realizes corresponding three kinds of test switch modes respectively: manually switch mode, automatic sequential switch mode and switch mode according to the order of sequence as required.
At first manual switch mode according to the order of sequence, with reference to figure 3, RP2 is a manual trigger switch, and link to each other with counting chip U6, when trigger switch is pressed, the pulse signal of its pin 3 outputs is input to the pulse input pin 2 of counting chip U6, and then control counting chip U6 pin one 1,12,13,14 circulates the corresponding count signal of output so that select corresponding main frame by the gating chip according to the counting rule, because the switching of tested main frame is controlled by test person, when test person is pressed trigger switch at every turn, switch to next main frame according to increasing preface.Like this, the test duration of each tested main frame can be grasped according to operating personnel's demand fully.
The following describes the automatic sequential switch mode, with reference to figure 4, a pulse generating circuit U5, it is by the pulse signal of pin OUT output, enter the pin CLK of frequency divider U6A, by described frequency divider U6A output, described frequency divider U6A comprises 4 output pin Q0, Q1, Q2, the pin one of Q3 and interface board JP7,2,3,4 link to each other, can be with described 1,2,3, a pin in 4 links to each other with the pulse signal input pin 2 of counting chip, thereby replace the pulse signal of above-mentioned trigger switch by manually producing, under this pattern, need not artificial control, by the pulse generating circuit U5 control of the pulse signal of generation automatically, the synchronous switching signal of counting chip U6 circulation output, thus realize tested main frame circulation switching, reach the purpose of automatic switchover, during concrete enforcement, can pass through to adjust the different cycles of pulse signal generation and then regulate the cycle of automaticallying switch.
The following describes manually switch mode as required,, under described pattern, be directly switch to tested main frame as required, need not to switch, can realize by coding chip U1, U2 according to the main frame order with reference to figure 5.Switch for 16 main frames, as shown in Figure 5, can utilize coding chip U1, U2 realizes 16 decimal system to 4 binary priority encoders, two concrete coding chip U1, the output pin A0 of U2, A1, A2 respectively with three Sheffer stroke gate U3a, U3b, U3c connects, another pin GS is connected with a not gate U4a, be which is set to low level and determines according to 16 input ends through 4 bits of priority encoder output like this, this 4 bit is input to 3 of counting chip U6 among Fig. 2,4,5,6 ends, 11 of counting chip U6,12,13,14 output terminals will be by described 3,4,5, the control of 6 end input signals, thus reach the purpose of switching as required.
During actual enforcement, be preferably on the display for the host number when Pretesting and show, for example show the presence of PC by LEDs, when tested main frame was switched to, corresponding pilot lamp was lighted, and shows that switch has switched to the main frame of this numbering.For this reason, can increase a routing display, described routing display links to each other with described change-over switch 14 and main frame selector switch 13, is used for main frame splitting signal according to main frame selector switch output and shows the respective host selected number.Specific implementation can be with reference to figure 6, to switch 16 main frames is that example describes, in the process of switching, after the physical location of the test of 16 main frames is determined, its position in the order of 1-16 is fixed, if the number of the concrete physical location that will switch in will testing is presented on the display, the tester just can recognize very easily that main frame is switched to now, as shown in Figure 6, utilizes an EPROM chip, 1-16 16 numbers altogether is cured in this chip, simultaneously with counting chip 11,12,13,14 output end signals are input to 23 of described EPROM chip, 2,26,27 ends, input as synchronous selection signal, select in the 1-16 numeral which numeral output, 3 of EPROM chip, 4,5,6,7,8,9,10,24, the input of 25 ends is through the pulse signal of frequency divider frequency division, as the character sweep signal, selecteed numeral is from 11, the 12 pins output of EPROM chip, thereby under the effect of counting chip synchronizing signal, the physical location number of the main frame that is chosen to is presented at the right and left of display.
After above-mentioned main frame is switched to, corresponding external equipment such as display, keyboard, mouse are connected with it, can normally use, at this moment just can utilize external equipment to carry out dependence test, by the operation of keyboard, mouse, the corresponding testing software of operation on tested main frame, and the ruuning situation of software and test result can show on display, so that the tester observes and judges, so just reach the purpose that the shared cover peripheral hardware of multiple host is tested.
The above only is a preferred implementation of the present invention, does not constitute the qualification to protection domain of the present invention.Any any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (8)
1, a kind of many computer testing switcher are applied to many shared cover tests of Test Host with in the test macro of external equipment, it is characterized in that, comprising:
A plurality of host interface are used to insert the respective host of testing usefulness;
Interfaces for external devices is used to insert the external equipment of testing usefulness;
The main frame selector switch links to each other with described interfaces for external devices and each host interface respectively, is used to switch select each host interface so that the tested main frame that the respective host interface inserts is realized being connected with the external equipment that interfaces for external devices inserts;
Change-over switch is used to control described main frame selector switch and switches and select the respective host interface to switch to realize many computer tests, and the pattern of described control comprises manually according to the order of sequence switch mode, automatic sequential switch mode and switch mode as required.
2, many computer testing switcher according to claim 1 is characterized in that, described interfaces for external devices comprises: keyboard interface, mouse interface and display interface device.
3, many computer testing switcher according to claim 1 is characterized in that, also comprise:
The routing display links to each other with described change-over switch and main frame selector switch, is used for main frame splitting signal according to main frame selector switch output and shows selecteed respective host number.
4, many computer testing switcher according to claim 1, it is characterized in that, described main frame selector switch is made up of counting chip and gating chip, described gating chip links to each other with interfaces for external devices and respective host interface respectively, described counting chip counting output pin then links to each other with the gating control pin of gating chip respectively, connects external equipment and respective host by the count signal control gating chip switching of counting chip output.
5, many computer testing switcher according to claim 4, it is characterized in that, the pattern of described change-over switch is manually according to the order of sequence during switch mode, described change-over switch is made up of trigger switch, described trigger switch links to each other with described counting chip, and manual triggers is controlled described counting chip circulation output respective synchronization switching signal.
6, many computer testing switcher according to claim 4, it is characterized in that, when the pattern of described change-over switch is the automatic sequential switch mode, described change-over switch is made up of pulse generating circuit, described pulse generating circuit links to each other with described counting chip, produces pulse signal by the cycle and triggers the described counting chip circulation of control output respective synchronization switching signal.
7, many computer testing switcher according to claim 4, it is characterized in that, the pattern of described change-over switch is as required during switch mode, described change-over switch is made up of coding chip, described coding chip links to each other with counting chip, and coding triggers the required synchronous switching signal of control counting chip output.
According to claim 4,5,6 or 7 each described many computer testing switcher, it is characterized in that 8, described counting chip is 8 to select 1 counting chip or 16 to select 1 counting chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100305097A CN100351804C (en) | 2004-03-31 | 2004-03-31 | Multi-computer detest switch-over device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100305097A CN100351804C (en) | 2004-03-31 | 2004-03-31 | Multi-computer detest switch-over device |
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| Publication Number | Publication Date |
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| CN1677360A CN1677360A (en) | 2005-10-05 |
| CN100351804C true CN100351804C (en) | 2007-11-28 |
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| CNB2004100305097A Expired - Fee Related CN100351804C (en) | 2004-03-31 | 2004-03-31 | Multi-computer detest switch-over device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170791B (en) * | 2007-11-29 | 2010-06-16 | 中兴通讯股份有限公司 | An industrial installation device for testing power on and off automatically |
| CN102681920A (en) * | 2011-03-16 | 2012-09-19 | 名硕电脑(苏州)有限公司 | Automatic switching system and method thereof |
| CN104318882A (en) | 2014-11-10 | 2015-01-28 | 京东方科技集团股份有限公司 | Display module testing equipment |
| CN107528571B (en) * | 2017-09-07 | 2021-01-26 | 成都航天通信设备有限责任公司 | FPGA simulator switching device and method |
| CN113300906B (en) * | 2021-04-21 | 2022-04-15 | 深圳市精泰达科技有限公司 | Automatic switching method and device for PCIe test fixture Lane |
| CN113836070A (en) * | 2021-09-30 | 2021-12-24 | 国网山东省电力公司济南市历城区供电公司 | Switching device and switching method of USB (universal serial bus) line |
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| WO2000068813A1 (en) * | 1999-05-06 | 2000-11-16 | Cybex Computer Products Corp. | Kvm switch for multiple users |
| US20020010816A1 (en) * | 1997-12-18 | 2002-01-24 | Patrick H. Tomoson | Computer peripheral switching device |
| CN2501088Y (en) * | 2001-08-28 | 2002-07-17 | 黄月云 | Computer keyboard, monitor and mouse connecting converter |
| US20030093599A1 (en) * | 2001-11-09 | 2003-05-15 | Aten Technology, Inc. | Signal switch for console and peripheral devices |
| US20040015615A1 (en) * | 1999-10-25 | 2004-01-22 | Liu Cheng Kuo | Method for performing data transfer of KVM switch |
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2004
- 2004-03-31 CN CNB2004100305097A patent/CN100351804C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020010816A1 (en) * | 1997-12-18 | 2002-01-24 | Patrick H. Tomoson | Computer peripheral switching device |
| WO2000068813A1 (en) * | 1999-05-06 | 2000-11-16 | Cybex Computer Products Corp. | Kvm switch for multiple users |
| US20040015615A1 (en) * | 1999-10-25 | 2004-01-22 | Liu Cheng Kuo | Method for performing data transfer of KVM switch |
| CN2501088Y (en) * | 2001-08-28 | 2002-07-17 | 黄月云 | Computer keyboard, monitor and mouse connecting converter |
| US20030093599A1 (en) * | 2001-11-09 | 2003-05-15 | Aten Technology, Inc. | Signal switch for console and peripheral devices |
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| CN1677360A (en) | 2005-10-05 |
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