CN107870834A - A kind of measurement jig of hard disk backboard - Google Patents
A kind of measurement jig of hard disk backboard Download PDFInfo
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- CN107870834A CN107870834A CN201610859249.7A CN201610859249A CN107870834A CN 107870834 A CN107870834 A CN 107870834A CN 201610859249 A CN201610859249 A CN 201610859249A CN 107870834 A CN107870834 A CN 107870834A
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- 238000012360 testing method Methods 0.000 claims abstract description 94
- 238000004891 communication Methods 0.000 claims abstract description 43
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- 230000003993 interaction Effects 0.000 claims description 5
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
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Abstract
The invention provides a kind of measurement jig of hard disk backboard, including interface unit and the single-chip microcomputer, multiple ports-Extending units and the multiple switch units that are arranged inside measurement jig；Interface unit includes multiple interface groups and the first communication interface；Wherein, interface group connection corresponding with the interface group of a hard disk on hard disk backboard to be measured；Switch unit is corresponding with interface group：One end of switch unit connects with corresponding interface group, and the other end connects with single-chip microcomputer and corresponding ports-Extending unit respectively；Ports-Extending unit is connected with single-chip microcomputer, for will be converted to single-pass data from the multichannel data that switch unit receives and export to single-chip microcomputer；Single-chip microcomputer is connected by the first communication interface with peripheral hardware electronic equipment, for controlling the switching between multiple switch units according to test program, so as to realize the test to the different hard disks on hard disk backboard to be measured.Cost of the present invention is low, and the testing time is short, and test coverage is high, and test risk is low.
Description
Technical field
The present invention relates to a kind of server capability technical field of measurement and test, more particularly to a kind of hard disk applied to server
The measurement jig of backboard.
Background technology
As society and rapid development of economy, use of the personal and enterprise to computer are more and more.In recent years, it is adjoint
The development of the new techniques such as cloud storage, big data, enterprise puts forward higher and higher want to the data storage function of computer
Ask.Correspond, computer manufacturer adds the hard disk of data storage in computer according to the actual demand of user
Quantity.Because the middle bridge that hard disk and mainboard are connected is hard disk backboard, thus corresponding multiplex roles hard disk backboard also meet the tendency of and
It is raw.The hard disk backboard of correction multiplex roles can access polylith hard disk simultaneously, be accessed while realizing polylith hard disc data in computer,
Meet the demand of enterprise.Before hard disk backboard dispatches from the factory, hard disk backboard is tested, to ensure the hard disk backboard produced
Meet factory calibration.
At present, computer manufacturer utilizes server master board, plugs the CPU, internal memory, hard disk of respective numbers, then matches somebody with somebody
The support devices such as upper power source special, display, keyboard, corresponding test formula is run, so as to realize to multiplex roles hard disk backboard
Test.But using this hard disk backboard method of testing, have the following disadvantages：
1) the tool cost of test is too high：Due in existing method of testing, it is necessary to coordinate a series of device, such as：
Server master board, CPU, internal memory, hard disk and power supply etc.；Under normal circumstances, if test one can insert 24 SAS (Serial
Attached SCSI, serial link SCSI) hard disk hard disk backboard, the expense of device that testing to use will be about 120,000 yuan
Left and right；If testing a hard disk backboard that can insert 10 solid state hard discs, the expense for testing the device that need to be used will be about 150,000
Member or so；
2) testing time is grown：Under normal circumstances, if one hard disk backboard that can insert 24 SAS hard disks of test, test need
It is time-consuming 13 minutes；If testing a hard disk backboard that can insert 10 solid state hard discs, test need to take 18 minutes；
3) test coverage is low：Using the test coverage of existing method of testing 85% or so, it is impossible to cover same
The missing solder of the PIN of one function, such as powers and ground connection, the missing solder of these PINs can seriously affect server steadily in the long term
Operation；
4) survey by mistake and the risk of test leakage is high：Test is upon actuation, it is still desirable to which tester participates in judgement, and this there is mistake
The possibility of survey, for example, judgement of LED working condition etc..Moreover, it is necessary to which hand brush enters the hard disk back of the body to be measured in test process
The information of plate, this there is the possibility that brush A surveys B, so as to result in test leakage.
The content of the invention
In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of hard disk applied to server
The measurement jig of backboard, for solve the testing efficiency of the hard disk backboard of the multiplex roles of server in the prior art is low, cost is high,
Cover incomplete problem.
In order to achieve the above objects and other related objects, the present invention provides a kind of measurement jig of hard disk backboard, including：Connect
Mouth unit and single-chip microcomputer, multiple ports-Extending units and the multiple switch units being arranged inside the measurement jig；It is described
Interface unit includes multiple interface groups and the first communication interface；Wherein, the interface group and one on the hard disk backboard to be measured
The interface group of individual hard disk is corresponding to be connected；The switch unit is corresponding with the interface group：One end of the switch unit with it is right
The interface group connection answered, the other end connect with the single-chip microcomputer and the corresponding ports-Extending unit respectively；The end
Mouth expanding element is connected with the single-chip microcomputer, for the multichannel data received from the switch unit to be converted into single-pass data simultaneously
Export to the single-chip microcomputer；The single-chip microcomputer is connected by first communication interface with peripheral hardware electronic equipment, for according to survey
The switching between the multiple switch units of programme-control is tried, so as to realize to the different hard disks on the hard disk backboard to be measured
Test.
In one embodiment of the invention, multiple interface groups are arranged above the measurement jig at plate, described
First communication interface is arranged at the side plate of the measurement jig.
In one embodiment of the invention, the peripheral hardware electronic equipment includes PC or Raspberry Pi, and logical by described first
Data interaction is realized between letter interface and the single-chip microcomputer, interaction data includes the test program and test data.
In one embodiment of the invention, the single-chip microcomputer includes the test electricity tested the hard disk backboard to be measured
Road；According to the testing requirement of reality, the test circuit and the test program are adjustable.
In one embodiment of the invention, the interface unit also includes being arranged at the electricity at the side plate of the measurement jig
Source interface and the second communication interface group；Wherein, the power interface and the hard disk backboard to be measured, for for the hard disk to be measured
Backboard is powered；The second communication interface group is connected with the communication interface group of the hard disk backboard to be measured, and second communication
Interface group includes：I2C interface, SPI interface, SGPIO interfaces, USB interface and network interface.
In one embodiment of the invention, the single-chip microcomputer is also connected with the second communication interface group, for realization pair
The test of the communication interface group of the hard disk backboard to be measured.
In one embodiment of the invention, the interface group includes hard-disk interface group, LED interface groups and data read and write interface
Group；The hard-disk interface group, the hard-disk interface group connection of hard disk is corresponded to on the hard disk backboard to be measured；The LED interface groups,
The LED test signal interface group connection of hard disk is corresponded to on the hard disk backboard to be measured；The data read and write interface group, it is and described
The digital read-write interface group connection of corresponding hard disk on hard disk backboard to be measured.
In one embodiment of the invention, in the switch unit, the data for coming from the LED interface groups are directly passed
Transport to the single-chip microcomputer；The data group for coming from the data read and write interface is transferred to the corresponding ports-Extending unit；
The data for coming from the hard-disk interface group are transferred to the single-chip microcomputer and the corresponding ports-Extending unit respectively.
In one embodiment of the invention, the ports-Extending unit is integrated on the corresponding switch unit.
In one embodiment of the invention, the measurement jig also includes being arranged at the power supply at the measurement jig side plate
Socket and power switch, the power outlet are used to provide power supply for the measurement jig；The power switch is used to control institute
State the unlatching and/or closing of the power supply of measurement jig.
As described above, the measurement jig of a kind of hard disk backboard applied to server of the present invention, it is intended to using single-chip microcomputer
Hard disk backboard is tested, because the program used for test of single-chip microcomputer is designed according to the testing requirement of reality, therefore,
Test of the measurement jig of the present invention to hard disk backboard is more flexible, and is not limited by the type of hard disk backboard, using more
Extensively；Also, the present invention solves the I/O interfaces of single-chip microcomputer by being used cooperatively switch unit and ports-Extending unit
The problem of limited amount, realize test of the single-chip microcomputer to different hard disk backboards.The present invention also has following Advantageous effect
Fruit：
1) present invention greatly reduces the cost of measurement jig：A hard disk backboard that can insert 24 SAS hard disks is tested, is surveyed
The expense of examination tool is down to 50,000 yuan or so from 120,000 yuan；Test a hard disk backboard that can insert 10 solid state hard discs, measurement jig
Expense be reduced to 80,000 yuan or so from 150,000 yuan；
2) testing time is reduced：The testing time of a piece of testing backboard is no more than 5 minutes；
3) test coverage is improved：Test coverage has reached 100%；
4) test risk is reduced：After test starting by mistake, it is no longer necessary to which tester participates in judging, avoids and survey；And survey
Examination the new of backboard is brushed into the possibility of test leakage is greatly reduced automatically.
Brief description of the drawings
Fig. 1 is shown as a kind of theory structure schematic diagram of the measurement jig of hard disk backboard disclosed in the embodiment of the present invention.
Fig. 2 is shown as a kind of arrangement signal of plate above measurement jig of hard disk backboard disclosed in the embodiment of the present invention
Figure.
Fig. 3 is shown as a kind of arrangement signal of front side board of the measurement jig of hard disk backboard disclosed in the embodiment of the present invention
Figure.
Fig. 4 is shown as a kind of arrangement signal of back side panel of the measurement jig of hard disk backboard disclosed in the embodiment of the present invention
Figure.
Fig. 5 is shown as a kind of theory structure signal of inside of the measurement jig of hard disk backboard disclosed in the embodiment of the present invention
Figure.
Component label instructions
100 interface units
110 interface groups
111 hard-disk interface groups
112 LED interface groups
113 data read and write interface groups
120 first communication interfaces
130 power interfaces
140 second communication interface groups
200 single-chip microcomputers
300 switch units
400 ports-Extending units
510 power outlets
520 power switches
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Refer to accompanying drawing.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating
Content disclosed in specification, so that those skilled in the art understands and reads, it is enforceable to be not limited to the present invention
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
Do not influence under the effect of present invention can be generated and the purpose that can reach, all should still fall in disclosed technology contents
Obtain in the range of covering.Meanwhile cited such as " on ", " under ", "left", "right", " centre " and " one " in this specification
Term, be merely convenient to understanding for narration, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or
Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable category of the present invention.
A kind of hard disk of the measurement jig of hard disk backboard applied to server of the present invention using single-chip microcomputer to server
Backboard is tested, and more flexibly, and cost is cheaper.But due to single-chip microcomputer I/O (Input/Output, input/
Output) interface is limited, it is impossible to meet the needs of hard disk backboard test.Therefore, the measurement jig of hard disk backboard of the invention also increases
Switch unit and ports-Extending unit are added, both have been used cooperatively, extended I/O interfaces, it is achieved thereby that single-chip microcomputer is to hard
The test of disk backboard.
Embodiment
Present embodiment discloses a kind of measurement jig of hard disk backboard, the hard disk backboard is to be applied to server, that is,
Say, the hard disk backboard is multiplex roles hard disk backboard, supports to access polylith hard disk simultaneously.
As shown in figure 1, the measurement jig of the hard disk backboard of the present embodiment includes：It is interface unit 100, single-chip microcomputer 200, multiple
Switch unit 300 and multiple ports-Extending units 400.
Wherein, interface unit 100 is disposed on the panel or side plate of measurement jig.
In the present embodiment for the ease of test, special placement hard disk backboard is being provided with above measurement jig on plate
Placement region 500, wherein, the arrangement situation of plate is as shown in Figure 2 above measurement jig.
As depicted in figs. 1 and 2, interface unit 100 includes multiple interface groups 110, the first communication interface 120, power interface
130 and the second communication interface group 140.
Wherein, the quantity of interface group 110 is also related to hard disk backboard to be measured, i.e. the quantity of interface group 110 and hard disk to be measured
Backboard supports that the quantity of the hard disk accessed simultaneously is identical.In the present embodiment, support to access 24 pieces simultaneously with hard disk backboard to be measured
Illustrated exemplified by hard disk.That is, the quantity of the interface group 110 of the present embodiment is 24.Certainly, test of the invention is controlled
Have detectable hard disk backboard and be not limited in this one kind, as long as support to access the hard disk backboard of polylith hard disk, this hair simultaneously
The test to it can be achieved in bright measurement jig.
The connection corresponding with the interface group of a hard disk of hard disk backboard to be measured of one interface group 110.Also, due to be measured
Hard disk backboard is placed in the placement region 500 of plate above measurement jig, therefore, for easy-to-connect, 24 interface groups
110 are also arranged above measurement jig at plate.
Further, the interface group of a hard disk of hard disk backboard to be measured includes but is not limited to hard-disk interface group, LED tests
Signaling interface group and digital read-write interface group.And hard-disk interface group, LED test signal interface group and digital read-write interface group both may be used
In the form of using PIN, golden finger form can also be used.
Correspond, an interface group 110 includes but is not limited to：Hard-disk interface group 111, LED interface groups 112 and data
Read-write interface group 113；Wherein,
Hard-disk interface group 111, the hard-disk interface group for the corresponding hard disk with hard disk backboard to be measured connect；
LED interface groups 112, the LED test signal interface group for the corresponding hard disk with hard disk backboard to be measured connect；
Data read and write interface group 113, the data read and write interface group for the corresponding hard disk with hard disk backboard to be measured connect.
Also, no matter hard disk backboard to be measured hard disk interface group interface shape, the interface group 110 of the present embodiment it is each
It is real by switching circuit board or wire rod between each interface of the interface group of the corresponding hard disk of individual interface and hard disk backboard to be measured
Now connect.Also, as described in Figure 2, the interface group 110 of interface unit 100 has 24, and each interface group 110 is corresponding with firmly
Disk interface group 111, LED interface groups 112 and data read and write interface group 113.
First communication interface 120 is communicated to connect with peripheral hardware electronic equipment, and the data for realizing between single-chip microcomputer 200 are handed over
Mutually.Specifically include：Test program is write to single-chip microcomputer 200；Number between multiple switch units 300 is controlled by single-chip microcomputer 200
According to switching, test of the single-chip microcomputer 200 to hard disk backboard to be measured is realized；Test data is obtained from single-chip microcomputer 200.Wherein, with first
The peripheral hardware electronic equipment that communication interface 120 connects includes but is not limited to PC, notebook computer, and/or Raspberry Pi.In this implementation
In example, the first communication interface 120 preferably uses MCU-ISP (Microcontroller Unit-Internet Service
Provider) interface.
Power interface 130 is connected with the power interface of hard disk backboard to be measured, for being powered for hard disk backboard to be measured.
Second communication interface group 140 is connected with the communication interface group of hard disk backboard to be measured.Second communication interface group 140 includes
But it is not limited to：I2C (Inter-Integrated Circuit) interface, SPI (Serial Peripheral Interface,
Serial Peripheral Interface (SPI)) interface, SGPIO (Serial General Purpose Input Output, serial universal input/defeated
Go out) interface, USB interface and network interface etc..When testing hard disk backboard to be measured, by the second communication interface group 140
Interface be connected with the corresponding communication interface of hard disk backboard to be measured.
In addition, in the present embodiment, the first communication interface 120 and power interface 130 are arranged on to the front side board of measurement jig
On；By multiple interfaces of the second communication interface group 140 be separately positioned on the front side board of measurement jig and back side panel on.Wherein,
The arrangement situation of the front side board of measurement jig is as shown in figure 3, the arrangement situation of the back side panel of measurement jig is as shown in Figure 4.
Further, as shown in Figure 3 and Figure 4, in order to solve the powerup issue of measurement jig, measurement jig further provided with electricity
Supply socket 510 and power switch 520.Power outlet 510 is connected with external dc power or AC power, for for measurement jig
Power supply is provided；Power switch 520 is used for the unlatching and/or closing for controlling measurement jig power supply, realizes to the list in measurement jig
Piece machine 200 is powered, and is realized by power interface 130 and hard disk backboard to be measured is powered.Also, for the user of test
Just, power outlet 510 is arranged on the back side panel of measurement jig, power switch 520 is arranged on the front side board of measurement jig.
Single-chip microcomputer 200, multiple switch units 300 and multiple ports-Extending units 400 are disposed on the inside of measurement jig.
In the present embodiment, the test to hard disk backboard is completed using single-chip microcomputer 200.But due to single-chip microcomputer 200
Number of terminals is limited, can not realize the access of all data of hard disk backboard simultaneously, and therefore, the present embodiment is single using multiple switchings
Member 300 and multiple ports-Extending units 400 solve the problems, such as the data access of single-chip microcomputer 200.
Switch unit 300 and ports-Extending unit 400 are used cooperatively, and switch unit 300 and ports-Extending unit
400 quantity is related to hard disk backboard to be measured, i.e. the quantity of switch unit 300 and ports-Extending unit 400 and the hard disk to be measured back of the body
Plate supports that the quantity of the hard disk accessed simultaneously is identical.That is, the switch unit 300 and ports-Extending unit of the present embodiment
400 quantity is 24.For convenience of description, a group interface group 110, switch unit 300, port are only depicted among Fig. 5
Principle assumption diagram between expanding element 400 and single-chip microcomputer 200, remaining 23 group interface group 110, switch unit 300, port are expanded
The theory structure opened up between unit 400 and single-chip microcomputer 200 is same as shown in Figure 5.
The data for the hard disk backboard to be measured that switch unit 300 is used to access interface unit 100 are according to hard disk backboard to be measured
Each hard disk integrated, and the data most integrated at last are transmitted separately to single-chip microcomputer 200 and corresponding ports-Extending unit
400；Ports-Extending unit 400 is also connected with single-chip microcomputer 200, for multichannel data to be converted into single-pass data and exported to monolithic
Machine 200 is for test, so as to solve the problems, such as the data access of single-chip microcomputer 200.Wherein, switch unit 300 is transmitted to single-chip microcomputer
200 and the data of ports-Extending unit 400 be to be determined according to the data-interface of a hard disk of hard disk backboard to be measured.
As shown in figure 5, in the present embodiment, the data-interface of a hard disk of hard disk backboard to be measured includes：Hard-disk interface
Group, LED test signal interface group and data read and write interface group (identifying not in the drawings), 111 groups of the hard-disk interface of interface group 110
It is connected with the hard-disk interface group of a hard disk of hard disk backboard to be measured, LED interface groups and a hard disk of hard disk backboard to be measured
LED test signal interface group connects, data read and write interface group and the data read and write interface group of a hard disk of hard disk backboard to be measured
Connection.Because the data for the hard-disk interface group 111 for coming from interface group 110 are relatively more, therefore, switch unit 300 is classified as
Two parts, a part is directly transferred to single-chip microcomputer 200 and is used to test, wherein test content includes but is not limited to：Circuit level shape
The imparting and/or reading of state, the reading of voltage etc.；Another part is transmitted to corresponding ports-Extending unit 400, by port
This partial data is converted to single-pass data and transmitted again to single-chip microcomputer 200 by expanding element 400 to be used to test.It is hard compared to coming from
The data of disk interface group 111 and data read and write interface group 113, it is less to come from the data of the LED interfaces 112 of interface group 110, because
This, switch unit 300 is directly transferred to single-chip microcomputer 200, carries out the light of the LED to the corresponding hard disk on hard disk backboard to be measured
Quick test and the quick test of color.The data for coming from the data read and write interface group 113 of interface group 110 are most, and therefore, switching is single
Member 300 transmits it to corresponding ports-Extending unit 400, and these data are converted into single channel by ports-Extending unit 400
Data re-transmission carries out the signalling channel test to the corresponding hard disk on hard disk backboard to be measured to single-chip microcomputer 200.
Ports-Extending unit 400 is used to the multichannel data of reception being converted to single-pass data, final output to single-chip microcomputer
200.In the present embodiment, ports-Extending unit 400 preferably uses I2C bus extension I/O mouths.Typically, an I2C bus extension 64
Individual I/O mouths, in the present embodiment, the I/O mouths of one I2C bus are enlarged beyond ten thousand by I2C bus extension I/O mouths.
Further, the ports-Extending unit 400 of the present embodiment and corresponding switch unit 300 are to integrate
's.
Single-chip microcomputer 200 is used to realize the test to hard disk backboard to be measured.In the present embodiment, single-chip microcomputer 200 passes through interface
The first communication interface 120 in unit 100 is connected with external electronic device, so as to realize single-chip microcomputer 200 and external electronic device
Between data interaction.Single-chip microcomputer 200 passes through the second communication interface group 140 in interface unit 100 and hard disk backboard to be measured
Communication interface group connects, for realizing the test to the communication interface group of hard disk backboard to be measured.Single-chip microcomputer 200 also respectively with it is each
Individual switch unit 300 and each ports-Extending unit 400 connect, for controlling multiple switch units 300 according to test program
Data switching between multiple ports-Extending units 400, realizes and the corresponding of each hard disk of hard disk backboard to be measured is tested.
Further, the single-chip microcomputer 200 of the present embodiment using 8 or 32 MCU (Microcontroller Unit, it is micro-
Control unit) and test circuit, test program is written into MCU, by test program and test circuit, is realized to hard disk to be measured
The test of backboard.In the present embodiment, the test of 200 achievable hard disk backboard of single-chip microcomputer includes but is not limited to：Utilize level
Testing hard disk backboard opens short circuit and Digital Logical Circuits；With the capacitance coupling circuit of electric capacity charge-discharge characteristic testing hard disk backboard
And filter circuit；The hard disk backboard corresponding to single chip communication port (such as I2C, SPI, SGPIO, UART etc.) test has communication circle
The IC in face；Such as the EEPROM that I2C communicates, the MG9094 of the FLASH of SPI communication, SGPIO communication；It is hard by test circuit test
The capacitance/resistance parameter of disk backboard；With the quick test LED of color luminous color；The brightness to be lighted with photosensitive test LED.
In addition, in order to protrude the innovative part of the present invention, will not be proposed by the invention with solution in the present embodiment
The less close unit of technical problem relation introduces, but this is not intended that in the present embodiment and other units are not present.
In summary, the measurement jig of a kind of hard disk backboard applied to server of the invention, it is intended to using single-chip microcomputer
Hard disk backboard is tested, because the program used for test of single-chip microcomputer is designed according to the testing requirement of reality, therefore,
Test of the measurement jig of the present invention to hard disk backboard is more flexible, and is not limited by the type of hard disk backboard, using more
Extensively；Also, the present invention solves the I/O interfaces of single-chip microcomputer by being used cooperatively switch unit and ports-Extending unit
The problem of limited amount, realize test of the single-chip microcomputer to different hard disk backboards.Also, the measurement jig of the present invention reduces
Testing cost, testing time and test risk, improve test coverage.So the present invention effectively overcomes in the prior art
Various shortcoming and have high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
- A kind of 1. measurement jig of hard disk backboard, it is characterised in that including：Interface unit and it is arranged at the measurement jig Internal single-chip microcomputer, multiple ports-Extending units and multiple switch units；The interface unit includes multiple interface groups and the first communication interface；Wherein, the interface group is carried on the back with the hard disk to be measured The interface group of a hard disk on plate is corresponding to be connected；The switch unit is corresponding with the interface group：One end of the switch unit connects with the corresponding interface group, The other end connects with the single-chip microcomputer and the corresponding ports-Extending unit respectively；The ports-Extending unit is connected with the single-chip microcomputer, for the multichannel data received from the switch unit to be converted to Single-pass data is simultaneously exported to the single-chip microcomputer；The single-chip microcomputer is connected by first communication interface with peripheral hardware electronic equipment, multiple for being controlled according to test program Switching between the switch unit, so as to realize the test to the different hard disks on the hard disk backboard to be measured.
- 2. the measurement jig of hard disk backboard according to claim 1, it is characterised in that：Multiple interface groups are arranged at institute State above measurement jig at plate, first communication interface is arranged at the side plate of the measurement jig.
- 3. the measurement jig of hard disk backboard according to claim 1, it is characterised in that：The peripheral hardware electronic equipment includes PC Or Raspberry Pi, and by realizing data interaction between first communication interface and the single-chip microcomputer, interaction data includes described Test program and test data.
- 4. the measurement jig of hard disk backboard according to claim 1, it is characterised in that：The single-chip microcomputer includes treating to described Survey the test circuit that hard disk backboard is tested；According to the testing requirement of reality, the test circuit and the test program are It is adjustable.
- 5. the measurement jig of hard disk backboard according to claim 1, it is characterised in that：The interface unit also includes setting Power interface and the second communication interface group at the side plate of the measurement jig；Wherein,The power interface and the hard disk backboard to be measured, for being powered for the hard disk backboard to be measured；The second communication interface group is connected with the communication interface group of the hard disk backboard to be measured, and the second communication interface group Including：I2C interface, SPI interface, SGPIO interfaces, USB interface and network interface.
- 6. the measurement jig of hard disk backboard according to claim 5, it is characterised in that：The single-chip microcomputer is also with described second Communication interface group connects, for realizing the test to the communication interface group of the hard disk backboard to be measured.
- 7. the measurement jig of hard disk backboard according to claim 1, it is characterised in that：The interface group includes hard-disk interface Group, LED interface groups and data read and write interface group；The hard-disk interface group, the hard-disk interface group connection of hard disk is corresponded to on the hard disk backboard to be measured；The LED interface groups, the LED test signal interface group connection of hard disk is corresponded to on the hard disk backboard to be measured；The data read and write interface group, connected with the digital read-write interface group of the corresponding hard disk on the hard disk backboard to be measured.
- 8. the measurement jig of hard disk backboard according to claim 7, it is characterised in that：In the switch unit,The data for coming from the LED interface groups are delivered directly to the single-chip microcomputer；The data group for coming from the data read and write interface is transferred to the corresponding ports-Extending unit；The data for coming from the hard-disk interface group are transferred to the single-chip microcomputer and the corresponding ports-Extending unit respectively.
- 9. the measurement jig of hard disk backboard according to claim 1, it is characterised in that：The ports-Extending unit is integrated On the corresponding switch unit.
- 10. the measurement jig of hard disk backboard according to claim 1, it is characterised in that：The measurement jig also includes setting The power outlet being placed at the measurement jig side plate and power switch,The power outlet is used to provide power supply for the measurement jig；The power switch is used for the unlatching and/or closing for controlling the power supply of the measurement jig.
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| CN201610859249.7A CN107870834B (en) | 2016-09-28 | 2016-09-28 | Testing jig for hard disk backboard |
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| CN201610859249.7A CN107870834B (en) | 2016-09-28 | 2016-09-28 | Testing jig for hard disk backboard |
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| CN107870834A true CN107870834A (en) | 2018-04-03 |
| CN107870834B CN107870834B (en) | 2024-03-29 |
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| CN107870834B (en) | 2024-03-29 |
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