CN109540445A - A kind of hard disk vibration-testing jig - Google Patents
A kind of hard disk vibration-testing jig Download PDFInfo
- Publication number
- CN109540445A CN109540445A CN201910045769.8A CN201910045769A CN109540445A CN 109540445 A CN109540445 A CN 109540445A CN 201910045769 A CN201910045769 A CN 201910045769A CN 109540445 A CN109540445 A CN 109540445A
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- hard disk
- triode
- reserve battery
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- controller
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 230000001133 acceleration Effects 0.000 claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
Abstract
The present invention provides a kind of hard disk vibration-testing jigs, including hard disk shell, and three axial acceleration sensors are arranged in hard disk shell, and described three axial acceleration sensors are fixed on hard disk shell by fixed plate；Indicator light is set in fixed plate, and setting is used for the opening of viewing lamp on hard disk shell；USB interface is provided on hard disk shell；The axial acceleration sensor of described three is connect with controller, and controller is connect with USB interface, indicator light, power supply respectively.The jig uses hard disk shell, can meet installation requirement in this way, and has three axial acceleration sensors, for the tri- shaft vibration situation of X, Y, Z of testing hard disk, provides data reference for subsequent production.
Description
Technical field:
The present invention relates to a kind of test fixture, especially a kind of jig for hard disk vibration-testing.
Background technique:
With the development of science and technology, today's society information data amount explosive growth, hard-disk capacity for storing data
Also it is directly continuously increased to 12T, 14T by 4T, 6T before, while disk density hard disk track pitch is also smaller and smaller, hard disk is made
The challenge of vibration is also more come for accurate mechanical equipment also big.
The continuous development and growth of tide server industry, server market have included every field, especially financial,
The various fields such as internet, also to the safety guarantee during server use, more stringent requirements are proposed for this, in this way in system
It is especially that we must face and consider the problems of to the stability of the hard disk of vibration sensing and reliably etc..So needing
Vibration-testing is carried out to ensure the quality of hard disk.
Hard disk in use, is fixed on hard disk support bracket, is then placed in different slot positions, when complete machine is making line
Property and whirling vibration test when, due to can effectively interact between hard disk, bracket, slot position, can to hard disk X, Y, Z etc. 3 to
There is different degrees of amplification, in this way when vibration-testing is unable to satisfy performance standard, cannot determine hard disk institute in the chassis itself
Whether stress is more than spec itself, cannot carry out accurate positionin analysis, to solving the problems, such as to generate very big puzzlement.
Summary of the invention:
The purpose of the present invention is to deficiencies of the prior art, and provide a kind of hard disk vibration-testing jig,
The jig uses hard disk shell, can meet installation requirement in this way, and has three axial acceleration sensors, for testing hard disk X,
Y, tri- shaft vibration situation of Z provides data reference for subsequent production.
This programme is achieved by the following technical measures: a kind of hard disk vibration-testing jig, including hard disk shell, hard
The axial acceleration sensor of setting three in disk shell, described three axial acceleration sensors are fixed on hard disk shell by fixed plate；?
Indicator light is set in fixed plate, and setting is used for the opening of viewing lamp on hard disk shell；USB is provided on hard disk shell to connect
Mouthful；It using hard disk shell, can guarantee that size meets hard disk size, is easily installed and is tested in this way, there is three axial acceleration sensings
Device is used to measure the Vibration Condition of three axis, and controller can obtain the data of three axial acceleration sensors；Indicator light can be used for
Whether the axial acceleration sensors of displaying three work with whether power supply has electricity, and fixed plate is arranged in hard disk, are easily installed three and axially add
Fast sensor.
The axial acceleration sensor of described three is connect with controller, and controller is electric with USB interface, indicator light, power supply respectively
Source connection.Power supply can be the power supplies such as controller, three axial acceleration sensors in this way.
The USB interface is two, is separately positioned on the side wall of hard disk shell, in this way can be using USB interface to confession
Electric power source charges can also obtain the vibration data measured from controller.
The top of fixed plate is arranged in the indicator light, and the opening is corresponding with indicator light, and is open and is arranged hard
The top of disk shell, has control switch to be connected between power supply and controller at the case where being convenient for viewing lamp in this way, can be with
The switch for controlling controller etc. does not need to avoid wasting electric energy in use, closes.
The power supply is battery, and battery includes main battery and reserve battery, the control switch series connection
Between main battery and controller, there is reserve battery, such testing time is longer or main battery electricity is inadequate, can be used standby
It is powered with battery, guarantees going on smoothly for test job.
Photo resistance is set at indicator light, photo resistance connects to the control circuit, reserve battery by control circuit with
Controller connection；The control circuit includes that the base stage of first triode VT1, first triode VT1 pass through photosensitive electricity
Resistance RL is connect with reserve battery anode, and the base stage of first triode VT1 is connect by first resistor R1 with reserve battery cathode,
The collector of first triode VT1 is connect by second resistance R2 with reserve battery anode, the transmitting of first triode VT1
Pole is connect by the 4th resistance R4 with reserve battery cathode, and the collector of first triode VT1 passes through 3rd resistor R3 and the
The base stage connection of two triode VT2, the emitter of second triode VT2 are connect with the emitter of first triode VT1,
The collector of second triode VT2 is connected by the anode of the 5th resistance R5 and reserve battery, the collection of second triode VT2
Electrode is connect by the 6th resistance R6 with the base stage of third triode VT3, the emitter and standby electricity of third triode VT3
The collector of the anode connection in pond, third triode VT3 is connected by the cathode of relay J and reserve battery, there is diode D
In parallel with the relay J, the normally opened contact J-1 of relay J is connected between reserve battery and controller, have capacitor C with it is standby
With battery parallel connection.When main battery electricity is lower, indicator light will be dimmed, and photo resistance at this time will sense, photo resistance
Resistance value reduces, three triode ONs, and relay obtains electric, and reserve battery is powered.
In fixed plate and hard disk shell fixed joining place, travel switch is set, the travel switch is connected with control switch, this
Some fixed plates of sample shake, and shake the acceleration and deceleration of generation, the data inaccuracy that three axial acceleration sensors can be made to measure, this
When, travel switch disconnects, and stopping is powered to controller etc., without test, avoids test to the data of mistake.
Also set up baroceptor and temperature sensor in hard disk shell, baroceptor and temperature sensor respectively with control
Device connection processed.The auxiliary datas such as measuring air pressure and temperature in this way, the more fully situation in acquisition test process.
It can be seen that compared with prior art, the present invention implementing with substantive distinguishing features outstanding and significant progress
Beneficial effect be also obvious.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention.
Fig. 2 is the structural schematic diagram inside hard disk shell.
Fig. 3 is the electrical diagram of the specific embodiment of the invention.
Fig. 4 is the circuit diagram of control circuit.
In figure, 1 is hard disk shell, and 2 be three axial acceleration sensors, and 3 be indicator light, and 4 is are open, and 5 be control switch, and 6 are
Fixed plate, 7 be photo resistance, and 8 be travel switch, and 9 be USB interface, and 10 be temperature sensor, and 11 be baroceptor.
Specific embodiment:
In order to clarify the technical characteristics of the invention, below by a specific embodiment, and its attached drawing is combined, it is right
This programme is illustrated.
By attached drawing as can be seen that the hard disk vibration-testing jig of this programme, including hard disk shell 1, present embodiment
In, without hard disk in hard disk shell, only hard disk shell, is arranged three axial acceleration sensors 2, described three axially add in hard disk shell 1
Fast sensor 2 is fixed on hard disk shell 1 by fixed plate 6；Indicator light 3 is set in fixed plate 6, is arranged on hard disk shell 1 and uses
In the opening 4 of viewing lamp 3；USB interface 9 is provided on hard disk shell 1；The axial acceleration sensor 2 of described three and control
Device connection, controller are connect with USB interface 9, indicator light 3, power supply respectively, and USB interface 9 is two, are separately positioned on hard
On the side wall of disk shell 1, the effect that two USB interfaces 9 are arranged is easy for being operated, can also according to actual use situation into
Another USB interface can be used when can also guarantee a USB interface damage in this way in row connection.There is the series connection of control switch 5
Between power supply and controller, the power supply is battery, and battery includes main battery and reserve battery, institute
It states control switch 5 to be connected between main battery and controller, above-mentioned use can be given by main battery by control switch in this way
Electric equipment power supply, is tested.
Travel switch 8 is set in fixed plate 6 and the fixed joining place of hard disk shell 1, the travel switch 8 is gone here and there with control switch 5
Connection.The case where fixed plate 6 can timely be obtained in this way, avoids fixed plate 6 from sending and loosens the case where leading to measuring error.Hard
Also set up baroceptor 11 and temperature sensor 10 in disk shell 1, baroceptor 11 and temperature sensor 10 respectively with control
Device connection, the case where temperature and air pressure in hard disk shell 1 can be obtained in this way, auxiliary reference.
The top of fixed plate 6 is arranged in indicator light 3, and the opening 4 is corresponding with indicator light 3, and 4 settings that are open are in hard disk
In the upper body of shell 1, it whether is in power supply state convenient for observation device in this way, wherein indicator light 3 is displayed for main electricity
Pond charge condition.
Photo resistance 7 is set at indicator light 3, and photo resistance 7 connects to the control circuit, and reserve battery passes through control circuit
It is connect with controller；Photo resistance can be used for incuding the brightness case of indicator light, timely be controlled by control circuit spare
Battery is powered, and avoids carrying out test can not, photo resistance is identified with RL in circuit because main battery electricity is low.
The base stage of control circuit including first triode VT1, first triode VT1 by photo resistance RL with it is spare
The base stage of anode connection, first triode VT1 is connect by first resistor R1 with reserve battery cathode, first three pole
The collector of pipe VT1 is connect by second resistance R2 with reserve battery anode, and the emitter of first triode VT1 passes through the 4th
Resistance R4 is connect with reserve battery cathode, and the collector of first triode VT1 passes through 3rd resistor R3 and second triode
The base stage of VT2 connects, and the emitter of second triode VT2 is connect with the emitter of first triode VT1, second three pole
The collector of pipe VT2 is connected by the anode of the 5th resistance R5 and reserve battery, and the collector of second triode VT2 passes through the
Six resistance R6 are connect with the base stage of third triode VT3, and the emitter of third triode VT3 and the anode of reserve battery connect
It connects, the collector of third triode VT3 is connected by the cathode of relay J and reserve battery, there is diode D and the relay
Device J is in parallel, and the normally opened contact J-1 of relay J is connected between reserve battery and controller, there is that capacitor C is in parallel with reserve battery,
It can guarantee that the power supply of reserve battery is relatively stable, electrophoresis is avoided to impact.
The present invention is not limited in above-mentioned specific embodiment, and those of ordinary skill in the art are in essential scope of the invention
The variations, modifications, additions or substitutions inside made, also should belong to protection scope of the present invention.
Claims (8)
1. a kind of hard disk vibration-testing jig, including hard disk shell, it is characterized in that:
The axial acceleration sensor of setting three in hard disk shell, described three axial acceleration sensors are fixed on hard disk by fixed plate
On shell；Indicator light is set in fixed plate, and setting is used for the opening of viewing lamp on hard disk shell；It is provided on hard disk shell
USB interface；
The axial acceleration sensor of described three is connect with controller, and controller connects with USB interface, indicator light, power supply respectively
It connects.
2. hard disk vibration-testing jig according to claim 1, it is characterized in that:
The USB interface is two, is separately positioned on the side wall of hard disk shell.
3. hard disk vibration-testing jig according to claim 1 or 2, it is characterized in that:
The top of fixed plate is arranged in the indicator light, and the opening is corresponding with indicator light, and is open and is arranged in hard disk shell
Top.
4. hard disk vibration-testing jig according to claim 1, it is characterized in that:
There is control switch to be connected between power supply and controller.
5. hard disk vibration-testing jig according to claim 4, it is characterized in that:
The power supply is battery, and battery includes main battery and reserve battery, and the control switch is connected on master
Between battery and controller.
6. hard disk vibration-testing jig according to claim 5, it is characterized in that:
Photo resistance is set at indicator light, and photo resistance connects to the control circuit, and reserve battery passes through control circuit and control
Device connection；
The base stage of the control circuit including first triode VT1, first triode VT1 by photo resistance RL with it is standby
It being connected with anode, the base stage of first triode VT1 is connect by first resistor R1 with reserve battery cathode, and first three
The collector of pole pipe VT1 is connect by second resistance R2 with reserve battery anode, and the emitter of first triode VT1 passes through the
Four resistance R4 are connect with reserve battery cathode, and the collector of first triode VT1 passes through 3rd resistor R3 and second three pole
The base stage of pipe VT2 connects, and the emitter of second triode VT2 is connect with the emitter of first triode VT1, and second three
The collector of pole pipe VT2 is connected by the anode of the 5th resistance R5 and reserve battery, and the collector of second triode VT2 passes through
6th resistance R6 is connect with the base stage of third triode VT3, the emitter of third triode VT3 and the anode of reserve battery
Connection, the collector of third triode VT3 are connected by the cathode of relay J and reserve battery, have diode D with it is described after
Electric appliance J is in parallel, and the normally opened contact J-1 of relay J is connected between reserve battery and controller, has capacitor C and reserve battery simultaneously
Connection.
7. hard disk vibration-testing jig according to claim 5, it is characterized in that:
Travel switch is set in fixed plate and hard disk shell fixed joining place, the travel switch is connected with control switch.
8. hard disk vibration-testing jig according to claim 1, it is characterized in that:
Also set up baroceptor and temperature sensor in hard disk shell, baroceptor and temperature sensor respectively with controller
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045769.8A CN109540445B (en) | 2019-01-17 | 2019-01-17 | Hard disk vibration test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045769.8A CN109540445B (en) | 2019-01-17 | 2019-01-17 | Hard disk vibration test fixture |
Publications (2)
| Publication Number | Publication Date |
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| CN109540445A true CN109540445A (en) | 2019-03-29 |
| CN109540445B CN109540445B (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910045769.8A Active CN109540445B (en) | 2019-01-17 | 2019-01-17 | Hard disk vibration test fixture |
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| Country | Link |
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| CN107665160A (en) * | 2017-10-19 | 2018-02-06 | 郑州云海信息技术有限公司 | A kind of hard disk monomer is linear and the measurement jig and method of testing of whirling vibration |
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| CN107907282A (en) * | 2017-11-09 | 2018-04-13 | 郑州云海信息技术有限公司 | A kind of hard disk monomer vibration-testing gauge |
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| CN101523223A (en) * | 2006-10-11 | 2009-09-02 | 飞思卡尔半导体公司 | Sensor having free fall self-test capability and method therefor |
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| CN109540445B (en) | 2020-11-27 |
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