CN202256605U - Load capacity testing device of main board interface - Google Patents
Load capacity testing device of main board interface Download PDFInfo
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- CN202256605U CN202256605U CN2011203181513U CN201120318151U CN202256605U CN 202256605 U CN202256605 U CN 202256605U CN 2011203181513 U CN2011203181513 U CN 2011203181513U CN 201120318151 U CN201120318151 U CN 201120318151U CN 202256605 U CN202256605 U CN 202256605U
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Abstract
The utility model relates to a load capacity testing device of a main board interface. The load capacity testing device of the main board interface includes a testing interface, a testing module connecting with the testing interface through a nominal load, a selecting module used for selection testing of an input terminal of the testing module, a driving module used for driving a display module according to testing data output by the testing module, a display module used for displaying the testing data, and a power supply module used for supplying power to the load capacity testing device of the main board interface. The selecting module connects with the testing module. The testing module connects with the driving module. The driving module connects with the display module. The power supply module connects with the testing module, the driving module and the display module respectively. By using the load capacity testing device of the main board interface in the utility model, the testing process is simple, the testing efficiency is high, and the testing cost is low. And the testing process is available and the testing result is accurate. Shortcomings of complicated testing process, low testing efficiency, high testing cost, invisible testing process, inaccurate testing result and the like of a prior load capacity testing device of the main board interface are overcome.
Description
Technical field
The utility model relates to interface load testing field, more particularly, relates to a kind of mainboard interface load capacity proving installation that can test same interface plurality of voltages simultaneously.
Background technology
Mainboard or whole set equipment (hereinafter to be referred as main process equipment) can communicate through different connecting interfaces with external unit, such as pci interface, PCIe interface, USB interface etc.Main process equipment all must carry out interface load capacity test before dispatching from the factory, promptly can test interface drive the load of the maximum power dissipation of its support, and when guaranteeing that main process equipment is connected with external unit, ability bio-occlusion external unit is supplied power.
Existing method of testing is to select electronic load appearance or actual external unit to test, such as network interface card, video card, USB flash disk, portable hard drive etc.Wherein the electronic load appearance is difficult for manipulating setting and using quite complicacy.Therefore common way is that external unit with reality is connected on the main process equipment, directly the driving force of Test Host equipment interface.
Because different processor platforms, even with a kind of interface, its driving force also might be different; And different external equipment, its power consumption is different, also not necessarily can reach the maximum power dissipation of the interface of surveying.Therefore need to buy the equipment of different on the market voltages and power consumption; When test, need installing drive and test its performance; Test process is complicated, and will compare checking after pinpointing the problems, and still is the problem of main process equipment design with the problem of the external unit confirming to buy; Testing efficiency is low, and test result is inaccurate.Moreover along with increasing of host device interface, the equipment that buy can increase, and makes its test process more loaded down with trivial details.
At present, pci interface, PCIe interface all can provide multiple voltage, such as, pci interface can provide 4 kinds of voltage (+12V simultaneously;-12V, 5V, 3.3V); When adopting said method to measure, it is that which driven ability is not enough that the tester can not fast and locate exactly, and test process is invisible.
The utility model content
The technical matters that the utility model will solve is; To defectives such as the test process of existing mainboard interface load capacity proving installation are complicated, testing efficiency is low, testing cost is high, test process is invisible and test result is inaccurate; Provide that a kind of test process is simple, testing efficiency is high; Testing cost is low, the visible and accurate test result mainboard interface load capacity proving installation of test process.
The utility model solves the technical scheme that its technical matters adopted: construct a kind of mainboard interface load capacity proving installation, the test module that is connected with said test interface comprising test interface, through nominal load, the selection module that the input in the said test module is selected to test, the driver module that display module is driven according to the test data of the output of said test module, be used to show the display module of said test data and the supply module of supplying power to said mainboard interface load capacity proving installation; Said selection module is connected with said test module, and said test module is connected with said driver module, and said driver module is connected with said display module; Said supply module is connected with said test module, said driver module and said display module respectively.
In the described mainboard interface load capacity of the utility model proving installation, said test interface comprise can provide 3.3V, 5V, 12V and-pci interface of 12V voltage, the PCIe interface of 3.3V and 12V voltage and the USB interface that 5V voltage can be provided can be provided.
In the described mainboard interface load capacity of the utility model proving installation; Said test module is the modulus conversion chip of model ADC0809; Said modulus conversion chip comprises 8 input end of analog signal mouth IN0-IN7,8 digital signal output port D0-D7 and channel selecting port ADDA, ADDB and ADDC; Wherein 7 said input end of analog signal mouths respectively with the 12V pin of the 5V pin of the 3.3V pin of pci interface, pci interface, pci interface, pci interface-12V pin, the 3.3V pin of PCIe interface, the 12V pin of PCIe interface and the 5V pin of USB interface be connected one by one; Said digital signal output end mouth is connected with said driver module, and said channel selecting port is connected with said selection module.
In the described mainboard interface load capacity of the utility model proving installation; Said test module is the modulus conversion chip of model ADC0809; Said modulus conversion chip comprises 8 input end of analog signal mouth IN0-IN7,8 digital signal output port D0-D7 and channel selecting port ADDA, ADDB and ADDC; Wherein 4 said input end of analog signal mouths respectively with the 12V pin of 5V pin, pci interface and the PCIe interface of 3.3V pin, pci interface and the USB interface of pci interface and PCIe interface and pci interface-the 12V pin is connected one by one; Said nominal load is an adjustable resistance; Said digital signal output end mouth is connected with said driver module, and said channel selecting port is connected with said selection module.
In the described mainboard interface load capacity of the utility model proving installation; Said selection module is an address latch, and said address latch comprises the sampled signal receiving port that receives sampled signal, said sampled signal is sent to the sampled signal transmit port of said channel selecting port and the latch signal receiving port that receives latch signal.
In the described mainboard interface load capacity of the utility model proving installation, said mainboard interface load capacity proving installation also comprises the trigger that is used for producing according to the time clock of said modulus conversion chip said latch signal.
In the described mainboard interface load capacity of the utility model proving installation, the crystal oscillating circuit that said driver module is single-chip microcomputer, be used for the reset circuit that resets to said single-chip microcomputer and be used for providing the working signal pulse to said single-chip microcomputer; The input of said single-chip microcomputer is connected with said digital signal output end mouth, and the output of said single-chip microcomputer is connected with said display module.
In the described mainboard interface load capacity of the utility model proving installation; Said mainboard interface load capacity proving installation comprises that also the duty that is used to detect said test interface sends the detection module of sampled signal, and said detection module is respectively with all test interface and select module to be connected.
In the described mainboard interface load capacity of the utility model proving installation; Said selection module is an address latch, and said address latch comprises the sampled signal receiving port that receives said sampled signal, said sampled signal is sent to the sampled signal transmit port of said test module and the latch signal receiving port that receives latch signal.
In the described mainboard interface load capacity of the utility model proving installation, said mainboard interface load capacity proving installation also comprises the trigger that is used for producing according to the time clock of said test module said latch signal.
Implement the mainboard interface load capacity proving installation of the utility model; Have following beneficial effect: test process is simple, testing efficiency is high; Testing cost is low; Test process is visible and test result is accurate, defective such as avoided the test process of existing mainboard interface load capacity proving installation complicated, testing efficiency is low, testing cost is high, test process is invisible and test result is inaccurate.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of first preferred embodiment of the mainboard interface load capacity proving installation of the utility model;
Fig. 2 is the structural representation of second preferred embodiment of the mainboard interface load capacity proving installation of the utility model;
Fig. 3 is the pin synoptic diagram of PCI test interface;
Fig. 4 is the pin synoptic diagram of PCIe test interface;
Fig. 5 is the pin synoptic diagram of USB test interface;
Fig. 6 is the physical circuit figure of preferred embodiment of the mainboard interface load capacity proving installation of the utility model;
Fig. 7 is the structural representation of the 3rd preferred embodiment of the mainboard interface load capacity proving installation of the utility model;
Fig. 8 is the structural representation of the 4th preferred embodiment of the mainboard interface load capacity proving installation of the utility model.
Embodiment
Below in conjunction with diagram, the preferred embodiment of the utility model is described in detail.
In the structural representation of first preferred embodiment of the mainboard interface load capacity proving installation of the utility model shown in Figure 1; Said mainboard interface load capacity proving installation comprises test interface 1, test module 2, selects module 3, driver module 4, display module 5 and supply module 6; Test module 2 is connected with test interface 1 through nominal load; Select module 3 to be used for test is selected in the input of test module 2; Driver module 4 is used for according to the test data of the output of test module 2 display module 5 being driven, and display module 5 is used to show test data, and supply module 6 is used for supplying power to mainboard interface load capacity proving installation.Select module 3 to be connected with test module 2, test module 2 is connected with driver module 4, and driver module 4 is connected with display module 5, and supply module 6 is connected with test module 2, driver module 4 and display module 5 respectively.
The test interface 1 of the mainboard interface load capacity proving installation of the utility model is used for the interface corresponding with main process equipment and pegs graft according to the design of standard interface standard, and it is carried out the driving force test; Each test interface 1 is connected (before testing with corresponding host device interface through corresponding nominal load; Utilize formula nominal load=tested magnitude of voltage/load current value to calculate base load rating; Go up electrical testing again after regulating nominal load); Set the size of nominal load to the different rated power of host device interface; Test interface 1 is obtained voltage and current from the corresponding interface of main process equipment, for nominal load provides voltage and current, and the user mode of external unit that is virtually reality like reality.This test module 2 is owing to having at least two test pin, therefore through testing simultaneously the multiple WV of a test interface 1 different nominal loads.The mainboard interface load capacity proving installation of the utility model also can select corresponding test interface 1 to carry out the load capacity test of interface through selecting module 3; After selecting module 3 to receive the instruction that certain test interface 1 starts working; Make 2 pairs of these test interfaces 1 of test module carry out the test of corresponding interface load capacity; The simulating signal of 2 pairs of inputs of test module carries out after analog digital transforms the digital signal of corresponding test data being outputed to driver module 4, and driver module 4 drives display module 5 according to this digital signal and carries out the demonstration of test data.The feasible like this test process to same test interface 1 is simple, testing efficiency is high, testing cost is low; Simultaneously owing to this mainboard interface load capacity proving installation is supplied power separately through supply module 6; Avoid original interface load capacity proving installation owing to use the interface power taking to influence the defective of test result, made test result more accurate.
Preferred embodiment as the mainboard interface load capacity proving installation of the utility model; Test interface 1 comprise can provide 3.3V, 5V, 12V and-pci interface (as shown in Figure 3) of 12V voltage, the USB interface (as shown in Figure 5) that the PCIe interface (as shown in Figure 4) of 3.3V and 12V voltage can be provided and 5V voltage can be provided.Shown in Fig. 3-5; The utility model can be tested pci interface, PCIe interface and the USB interface actual load-carrying ability under various voltages; The load environment that real time modelling client possibly use; A proving installation can substitute the testing apparatus of most of distinct interface, has practiced thrift user's equipment cost.
In the structural representation of first preferred embodiment of the mainboard interface load capacity proving installation of the utility model shown in Figure 1; Test module 2 is the modulus conversion chip of model ADC0809; Modulus conversion chip comprises 8 input end of analog signal mouth IN0-IN7,8 digital signal output port D0-D7 and channel selecting port ADDA, ADDB and ADDC; Wherein 4 said input end of analog signal mouths respectively with the 12V pin of 5V pin, pci interface and the PCIe interface of 3.3V pin, pci interface and the USB interface of pci interface and PCIe interface and pci interface-the 12V pin is connected one by one; Nominal load is an adjustable resistance; The digital signal output end mouth is connected with driver module 4, and the channel selecting port is connected with selecting module 3.
The mainboard interface load capacity proving installation of the utility model has only used 4 input end of analog signal, respectively the test interface 1 of corresponding 4 kinds of different voltage types (3.3V, 5V, 12V and-12V), nominal load is an adjustable resistance simultaneously.When the interface of the different main process equipment of test, can adjust nominal load like this through changing adjustable resistance.Table 1 is the load current value under the tested magnitude of voltage in each road of different test interfaces in the preferred embodiment:
Load current value under the tested magnitude of voltage in each road of table 1
"/" expression corresponding interface does not have this voltage, does not promptly have corresponding rated current.
Can find out that from table 1 being provided with of 4 input end of analog signal mouths can satisfy all WVs of testing arbitrary host device interface simultaneously; When needs are changed host device interface to be tested, only need adjust adjustable resistance (being nominal load) and get final product according to last table.
Preferred embodiment as the mainboard interface load capacity proving installation of the utility model; Test module 2 is the modulus conversion chip of model ADC0809; Modulus conversion chip comprises 8 input end of analog signal mouth IN0-IN7,8 digital signal output port D0-D7 and channel selecting port ADDA, ADDB and ADDC; Wherein 7 input end of analog signal mouths respectively with the 12V pin of the 5V pin of the 3.3V pin of pci interface, pci interface, pci interface, pci interface-12V pin, the 3.3V pin of PCIe interface, the 12V pin of PCIe interface and the 5V pin of USB interface be connected one by one; The digital signal output end mouth is connected with driver module 4, and the channel selecting port is connected with selecting module 3.
The mainboard interface load capacity proving installation of the utility model also can couple together modulus conversion chip through adjustable resistance and test interface 1; 7 input end of analog signal detect the duty that different host device interface are depressed in different electric respectively; Different with the foregoing description; Here 7 kinds of different voltages to 3 kinds of the most frequently used host device interface set corresponding nominal load; All input end of analog signal to modulus conversion chip during detection take turns to sample, thereby obtain the duty and the load capacity of host device interface to be tested.Being provided with like this is simple and convenient; When the different host device interface of the same main frame of test; Need can not be used in that (wherein pci interface has 4 kinds of WVs on 3 kinds of host device interface to nominal load adjustment; The PCIe interface has 2 kinds of WVs, and USB interface has a kind of WV).
In the structural representation of first preferred embodiment of the mainboard interface load capacity proving installation of the utility model shown in Figure 1; Said selection module 3 is an address latch, and address latch comprises the sampled signal receiving port that receives sampled signal in turn, will take turns sampled signal sends to the sampled signal transmit port of channel selecting port and the latch signal receiving port that receives latch signal.
The address latch reception sampled signal of the mainboard interface load capacity proving installation of the utility model takes turns to sample to the input end of analog signal mouth of modulus conversion chip; This sampled signal can obtain from driver module 4, also can obtain (not shown) from external circuit.When the address latch did not receive latch signal, the sampled signal transmit port sent the sampled signal that the sampled signal receiving port receives; When the address latch received latch signal, the sampled signal transmit port locked storage according to current sampled signal in turn with the address, and corresponding input end of analog signal mouth input signal is selected to modulus conversion chip in this address after deciphering.Being provided with like this guaranteed that modulus conversion chip can carry out stable test to the various main process equipment ports under the various voltages.
In the structural representation of second preferred embodiment of the mainboard interface load capacity proving installation of the utility model shown in Figure 2, mainboard interface load capacity proving installation also comprises the trigger 7 that is used for producing according to the time clock of modulus conversion chip latch signal.
Because latch signal has determined to select module 3 frequency of sampling in turn; Therefore this frequency should be corresponding with the work clock pulse of modulus conversion chip, adopts trigger 7 to produce latch signal according to the time clock of modulus conversion chip and normally carrying out with what guarantee that various main process equipment ports various voltages under sample in turn.
As the preferred embodiment of the mainboard interface load capacity proving installation of the utility model, driver module 4 is single-chip microcomputer, the crystal oscillating circuit that is used for the reset circuit that resets to single-chip microcomputer and is used for providing the working signal pulse to single-chip microcomputer; The input of single-chip microcomputer is connected with the digital signal output end mouth, and the output of single-chip microcomputer is connected with display module 5.
The demonstration of digital signal on display module 5 after the mainboard interface load capacity proving installation of the utility model is changed through chip microcontroller; Wherein driver module 4 also comprises reset circuit and crystal oscillating circuit, and reset circuit can start or occurs single-chip microcomputer being carried out reset operation when unusual at single-chip microcomputer.Crystal oscillating circuit provides the working signal pulse for the single-chip microcomputer operate as normal.
In the structural representation of the 3rd preferred embodiment of the mainboard interface load capacity proving installation of the utility model shown in Figure 7; Mainboard interface load capacity proving installation comprises that also the duty that is used to detect said test interface 1 sends the detection module 8 of sampled signal, and detection module 8 is respectively with test interface 1 and select module 3 to be connected.Selecting module 3 be address latch, and address latch comprises the sampled signal receiving port that receives sampled signal, sampled signal is sent to the sampled signal transmit port of said test module 2 and the latch signal receiving port of reception latch signal.
The mainboard interface load capacity proving installation of the utility model also is provided with detection module 8; Can detect the duty of test interface 1 through detection module 8; As detect certain test interface 1 and under certain voltage, start working; Promptly send sampled signal and give selection module 3, select module 3 the input end of analog signal mouth of starting working to be sampled according to this sampled signal.When the latch signal receiving port did not receive latch signal, the sampled signal transmit port sent the sampled signal that the sampled signal receiving port receives; When the latch signal receiving port received latch signal, the sampled signal transmit port locked storage according to current sampled signal with the address, and corresponding input end of analog signal mouth input signal is selected to modulus conversion chip in this address after deciphering.Being provided with like this realized the full-automatic detection of host device interface and carried out the load capacity test automatically.
In the structural representation of the 4th preferred embodiment of the mainboard interface load capacity proving installation of the utility model shown in Figure 8, mainboard interface load capacity proving installation also comprises the trigger 7 that is used for producing according to the time clock of said test module 2 said latch signal.
Because latch signal has determined to select the frequency of module 3 samplings; Therefore this frequency should be corresponding with the work clock pulse of modulus conversion chip, adopts trigger 7 to produce latch signal according to the time clock of modulus conversion chip and normally carries out with what guarantee that various main process equipment ports various voltages under sample.
The physical circuit figure of the preferred embodiment of the mainboard interface load capacity proving installation through the utility model shown in Figure 6 explains the particular circuit configurations of the mainboard interface load capacity proving installation of the utility model below.
In Fig. 6; Said mainboard interface load capacity proving installation comprises test module 2, selects module 3, driver module 4, display module 5 and trigger 7; Wherein test module 2 is the modulus conversion chip of model ADC0809; Selecting module 3 is the address latch of model 74LS373, and driver module 4 is the single-chip microcomputer of model 8051, and display module 5 is LCD (LCD).Wherein modulus conversion chip comprises 8 input end of analog signal mouth IN0-IN7; 8 digital signal output port D0-D7 and channel selecting port ADDA, ADDB and ADDC; Wherein 4 input end of analog signal mouths respectively with the 12V pin of 5V pin, pci interface and the PCIe interface of 3.3V pin, pci interface and the USB interface of pci interface and PCIe interface and pci interface-the 12V pin is connected one by one, nominal load R2, R3, R4 and R5 are adjustable resistance.The digital signal output end mouth is connected with the input of single-chip microcomputer, and the channel selecting port is connected with address latch, and the output of single-chip microcomputer is connected with LCD.Mainboard interface load capacity proving installation test pci interface with the utility model is the course of work of this mainboard interface of example explanation load capacity proving installation below.
1) be 24 Europe, 0.43 Europe and 1 Europe with 12V, 3.3V and the corresponding resistance value of 5V voltage that adjustable resistance is adjusted to pci interface respectively according to table 1;
2) pci interface of the pci interface of proving installation and tested mainboard is connected;
3) supply module 6 connects power supply to the power supply of mainboard interface load capacity proving installation;
4) open the power supply of tested mainboard, get into operating system;
5) on display module 5, show the measured value that pci interface 12V, 3.3V and 5V voltage are corresponding;
6) according to the measured value that shows on the display module 5 standard of judging whether 12V, 3.3V and 5V power voltage supply meet (12V ± 5%, 3.3V ± 5%, 5V ± 5%), promptly whether can drive the load of its rated power maximum.Be lower than normalization voltage range if voltage shows, explain that then the drive current of corresponding voltage is too little, driving force does not reach the power under the rated current.Be equal to or higher than normalization voltage range if voltage shows, explain that then the drive current of corresponding voltage is enough big, can drive its rated maximum power load.
The mainboard interface load capacity proving installation of the utility model can be tested the different loads of a plurality of voltages of different host device interface, the load environment that real-time simulation client possibly use.Voltage shows intuitively, helps the tester accurately to hold the carrying load ability of test interface, improves testing efficiency.The testing apparatus of the alternative most of distinct interface of this mainboard interface load capacity proving installation is practiced thrift the cost of company.Add power supply mode, need not, increase test accuracy from interface power taking to be tested.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model instructions and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (10)
1. mainboard interface load capacity proving installation; It is characterized in that the test module (2) that comprises test interface (1), is connected with said test interface (1) through nominal load, the selection module (3) that the input in the said test module (2) is selected to test, the driver module (4), the display module (5) that is used to show said test data that display module (5) are driven according to the test data of the output of said test module (2) and the supply module (6) of giving said mainboard interface load capacity proving installation power supply;
Said selection module (3) is connected with said test module (2), and said test module (2) is connected with said driver module (4), and said driver module (4) is connected with said display module (5); Said supply module (6) is connected with said test module (2), said driver module (4) and said display module (5) respectively.
2. mainboard interface load capacity proving installation according to claim 1; It is characterized in that, said test interface (1) comprise can provide 3.3V, 5V, 12V and-pci interface of 12V voltage, the PCIe interface of 3.3V and 12V voltage can be provided and the USB interface of 5V voltage can be provided.
3. mainboard interface load capacity proving installation according to claim 2; It is characterized in that; Said test module (2) is the modulus conversion chip of model ADC0809; Said modulus conversion chip comprises 8 input end of analog signal mouth IN0-IN7,8 digital signal output port D0-D7 and channel selecting port ADDA, ADDB and ADDC; Wherein 7 said input end of analog signal mouths respectively with the 12V pin of the 5V pin of the 3.3V pin of pci interface, pci interface, pci interface, pci interface-12V pin, the 3.3V pin of PCIe interface, the 12V pin of PCIe interface and the 5V pin of USB interface be connected one by one; Said digital signal output end mouth is connected with said driver module (4), and said channel selecting port is connected with said selection module (3).
4. mainboard interface load capacity proving installation according to claim 2; It is characterized in that; Said test module (2) is the modulus conversion chip of model ADC0809; Said modulus conversion chip comprises 8 input end of analog signal mouth IN0-IN7,8 digital signal output port D0-D7 and channel selecting port ADDA, ADDB and ADDC; Wherein 4 said input end of analog signal mouths respectively with the 12V pin of 5V pin, pci interface and the PCIe interface of 3.3V pin, pci interface and the USB interface of pci interface and PCIe interface and pci interface-the 12V pin is connected one by one; Said nominal load is an adjustable resistance, and said digital signal output end mouth is connected with said driver module (4), and said channel selecting port is connected with said selection module (3).
5. according to claim 3 or 4 described mainboard interface load capacity proving installations; It is characterized in that; Said selection module (3) is an address latch, and said address latch comprises the sampled signal receiving port that receives sampled signal, said sampled signal is sent to the sampled signal transmit port of said channel selecting port and the latch signal receiving port that receives latch signal.
6. mainboard interface load capacity proving installation according to claim 5 is characterized in that, said mainboard interface load capacity proving installation also comprises the trigger (7) that is used for producing according to the time clock of said modulus conversion chip said latch signal.
7. according to claim 3 or 4 described mainboard interface load capacity proving installations; It is characterized in that the crystal oscillating circuit that said driver module (4) is single-chip microcomputer, be used for the reset circuit that resets to said single-chip microcomputer and be used for providing the working signal pulse to said single-chip microcomputer; The input of said single-chip microcomputer is connected with said digital signal output end mouth, and the output of said single-chip microcomputer is connected with said display module (5).
8. mainboard interface load capacity proving installation according to claim 1; It is characterized in that; Said mainboard interface load capacity proving installation comprises that also the duty that is used to detect said test interface (1) sends the detection module (8) of sampled signal, and said detection module (8) is connected with all test interface (1) and said selection modules (3) respectively.
9. mainboard interface load capacity proving installation according to claim 8; It is characterized in that; Said selection module (3) is an address latch, and said address latch comprises the sampled signal receiving port that receives said sampled signal, said sampled signal is sent to the sampled signal transmit port of said test module (2) and the latch signal receiving port that receives latch signal.
10. mainboard interface load capacity proving installation according to claim 9 is characterized in that, said mainboard interface load capacity proving installation also comprises the trigger (7) that is used for producing according to the time clock of said test module (2) said latch signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203181513U CN202256605U (en) | 2011-08-29 | 2011-08-29 | Load capacity testing device of main board interface |
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| CN2011203181513U CN202256605U (en) | 2011-08-29 | 2011-08-29 | Load capacity testing device of main board interface |
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| CN202256605U true CN202256605U (en) | 2012-05-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154083A (en) * | 2016-06-20 | 2016-11-23 | 西可通信技术设备（河源）有限公司 | A kind of USB interface load testing device |
| CN109143113A (en) * | 2018-07-24 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of method, apparatus and system monitoring PCIE outer plug-in card power supply |
| CN111044882A (en) * | 2019-12-28 | 2020-04-21 | 广东盈科电子有限公司 | Fool-proof automatic testing device for 220V load and voltage |
| WO2020082585A1 (en) * | 2018-10-25 | 2020-04-30 | 深圳壹账通智能科技有限公司 | Method and device for interface testing |
| CN111929620A (en) * | 2020-07-10 | 2020-11-13 | 苏州浪潮智能科技有限公司 | Test device for supporting EDSFF-1C standard interface |
-
2011
- 2011-08-29 CN CN2011203181513U patent/CN202256605U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154083A (en) * | 2016-06-20 | 2016-11-23 | 西可通信技术设备（河源）有限公司 | A kind of USB interface load testing device |
| CN109143113A (en) * | 2018-07-24 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of method, apparatus and system monitoring PCIE outer plug-in card power supply |
| WO2020082585A1 (en) * | 2018-10-25 | 2020-04-30 | 深圳壹账通智能科技有限公司 | Method and device for interface testing |
| CN111044882A (en) * | 2019-12-28 | 2020-04-21 | 广东盈科电子有限公司 | Fool-proof automatic testing device for 220V load and voltage |
| CN111044882B (en) * | 2019-12-28 | 2022-05-20 | 广东盈科电子有限公司 | Fool-proof automatic testing device for 220V load and voltage |
| CN111929620A (en) * | 2020-07-10 | 2020-11-13 | 苏州浪潮智能科技有限公司 | Test device for supporting EDSFF-1C standard interface |
| CN111929620B (en) * | 2020-07-10 | 2022-11-22 | 苏州浪潮智能科技有限公司 | Test device for supporting EDSFF-1C standard interface |
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