CN109540445B - Hard disk vibration test fixture - Google Patents
Hard disk vibration test fixture Download PDFInfo
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- CN109540445B CN109540445B CN201910045769.8A CN201910045769A CN109540445B CN 109540445 B CN109540445 B CN 109540445B CN 201910045769 A CN201910045769 A CN 201910045769A CN 109540445 B CN109540445 B CN 109540445B
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- hard disk
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- disk shell
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 230000001133 acceleration Effects 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a hard disk vibration test fixture, which comprises a hard disk shell, wherein a triaxial acceleration sensor is arranged in the hard disk shell and is fixed on the hard disk shell through a fixing plate; an indicator light is arranged on the fixing plate, and an opening for observing the indicator light is arranged on the hard disk shell; a USB interface is arranged on the hard disk shell; the triaxial acceleration sensor is connected with the controller, and the controller is respectively connected with the USB interface, the indicator light and the power supply. The fixture adopts a hard disk shell, so that the mounting requirement can be met, and the fixture is provided with a triaxial acceleration sensor for testing X, Y, Z triaxial vibration conditions of a hard disk, so that data reference is provided for subsequent production.
Description
The technical field is as follows:
the invention relates to a test fixture, in particular to a fixture for hard disk vibration test.
Background art:
with the development of science and technology, the volume of information data in the society is increased explosively, the capacity of a hard disk for storing data is increased from 4T and 6T to 12T and 14T, the track pitch of the hard disk is smaller and smaller, and the challenge of the hard disk as a precise mechanical device to vibration is larger.
The wave server industry is continuously developing and growing, the server market already covers various fields, especially finance, internet and other fields, which also puts higher requirements on the safety guarantee during the service period of the server, and thus the stability and reliability of the hard disk which is sensitive to vibration in the system, especially, are the problems that we must face and consider. Vibration testing is required to ensure the quality of the hard disk.
When the vibration test can not meet the performance standard, whether the stress of the hard disk in the case exceeds the spec of the hard disk cannot be determined, accurate positioning analysis cannot be carried out, and great trouble is caused to the problem.
The invention content is as follows:
the invention aims to provide a hard disk vibration test fixture aiming at the defects in the prior art, the fixture adopts a hard disk shell, so that the mounting requirement can be met, and the fixture is provided with a triaxial acceleration sensor for testing X, Y, Z triaxial vibration conditions of a hard disk, so as to provide data reference for subsequent production.
The scheme is realized by the following technical measures: a hard disk vibration test fixture comprises a hard disk shell, wherein a triaxial acceleration sensor is arranged in the hard disk shell and is fixed on the hard disk shell through a fixing plate; an indicator light is arranged on the fixing plate, and an opening for observing the indicator light is arranged on the hard disk shell; a USB interface is arranged on the hard disk shell; the hard disk shell is adopted, so that the size of the hard disk shell can be ensured to be in accordance with the size of a hard disk, the hard disk shell is convenient to install and test, the triaxial acceleration sensor is used for measuring the vibration condition of three axes, and the controller can obtain the data of the triaxial acceleration sensor; the pilot lamp can be used for showing whether triaxial acceleration sensor works and whether the power has electricity, sets up the fixed plate in the hard disk, is convenient for install triaxial acceleration sensor.
The triaxial acceleration sensor is connected with the controller, and the controller is respectively connected with the USB interface, the indicator light and the power supply. Therefore, the power supply can supply power for the controller, the triaxial acceleration sensor and the like.
The two USB interfaces are respectively arranged on the side wall of the hard disk shell, so that the USB interfaces can be used for charging the power supply, and the measured vibration data can be acquired from the controller.
The pilot lamp setting on the upper portion of fixed plate, the opening correspond with the pilot lamp, and the opening setting is on the upper portion of hard disk shell, be convenient for like this observe the condition of pilot lamp, have control switch to establish ties between power supply and controller, can control the switch of controller etc. when not needing to use, close can, avoid extravagant electric energy.
The power supply be the battery, and the battery includes main battery and backup battery, control switch establishes ties between main battery and controller, has the backup battery, test time is longer like this or main battery electric quantity is not enough, can use the backup battery power supply, guarantees going on smoothly of test work.
A photoresistor is arranged at the position of the indicator light, the photoresistor is connected with a control circuit, and the standby battery is connected with the controller through the control circuit; the control circuit comprises a first triode VT1, the base of the first triode VT1 is connected with the positive pole of the standby battery through a photosensitive resistor RL, the base of the first triode VT1 is connected with the negative pole of the standby battery through a first resistor R1, the collector of the first triode VT1 is connected with the positive pole of the standby battery through a second resistor R2, the emitter of the first triode VT1 is connected with the negative pole of the standby battery through a fourth resistor R4, the collector of the first triode VT1 is connected with the base of the second triode VT2 through a third resistor R3, the emitter of the second triode VT2 is connected with the emitter of the first triode VT1, the collector of the second triode VT2 is connected with the positive pole of the standby battery through a fifth resistor R5, the collector of the second triode VT2 is connected with the base of the third triode VT3 through a sixth resistor R6, the emitter of the third triode VT3 is connected with the positive pole of the standby battery, the collector of the third triode VT3 is connected with the negative pole of the standby battery through the relay J, a diode D is connected with the relay J in parallel, the normally open contact J-1 of the relay J is connected between the standby battery and the controller in series, and a capacitor C is connected with the standby battery in parallel. When the main battery electric quantity is lower, the pilot lamp will darken, and the photo resistance will sense this moment, and the photo resistance reduces, and three triode switches on, and the relay is electrified, and backup battery supplies power.
Set up travel switch at fixed plate and the fixed department that links up of hard disk shell, travel switch and control switch establish ties, and a little fixed plate takes place to rock like this, and the acceleration and deceleration that rocks the production can make triaxial acceleration sensor record data inaccurate, and at this moment, travel switch disconnection stops to give power supplies such as controller, does not test, avoids testing wrong data.
An air pressure sensor and a temperature sensor are also arranged in the hard disk shell and are respectively connected with the controller. Therefore, auxiliary data such as air pressure, temperature and the like are tested, and the condition in the test process is obtained more comprehensively.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Description of the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the inside of the hard disk case.
Fig. 3 is an electrical block diagram of an embodiment of the present invention.
Fig. 4 is a circuit diagram of the control circuit.
In the figure, 1 is a hard disk shell, 2 is a triaxial acceleration sensor, 3 is an indicator light, 4 is an opening, 5 is a control switch, 6 is a fixing plate, 7 is a photoresistor, 8 is a travel switch, 9 is a USB interface, 10 is a temperature sensor, and 11 is an air pressure sensor.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present solution, the following explains the present solution by a specific embodiment in combination with the accompanying drawings.
The attached drawings show that the hard disk vibration test fixture comprises a hard disk shell 1, in the specific embodiment, a hard disk is not arranged in the hard disk shell, but only the hard disk shell, a triaxial acceleration sensor 2 is arranged in the hard disk shell 1, and the triaxial acceleration sensor 2 is fixed on the hard disk shell 1 through a fixing plate 6; an indicator light 3 is arranged on the fixing plate 6, and an opening 4 for observing the indicator light 3 is arranged on the hard disk shell 1; a USB interface 9 is arranged on the hard disk shell 1; triaxial acceleration sensor 2 be connected with the controller, the controller is connected with USB interface 9, pilot lamp 3, power supply respectively, USB interface 9 is two, sets up respectively on the lateral wall of hard disk shell 1, the effect that sets up two USB interfaces 9 is the operation of being convenient for, can also connect according to the in-service use condition, can also guarantee like this that when a USB interface damages, can use another USB interface. The control switch 5 is connected in series between a power supply and the controller, the power supply is a storage battery, the storage battery comprises a main battery and a standby battery, and the control switch 5 is connected in series between the main battery and the controller, so that the power consumption equipment can be supplied with power through the main battery through the control switch to carry out testing.
A travel switch 8 is arranged at the fixed connection position of the fixed plate 6 and the hard disk shell 1, and the travel switch 8 is connected with the control switch 5 in series. Therefore, the condition of the fixing plate 6 can be obtained in time, and the condition that the fixing plate 6 is loosened to cause measurement errors is avoided. An air pressure sensor 11 and a temperature sensor 10 are further arranged in the hard disk shell 1, and the air pressure sensor 11 and the temperature sensor 10 are respectively connected with a controller, so that the conditions of temperature and air pressure in the hard disk shell 1 can be obtained for auxiliary reference.
The indicator light 3 is arranged on the upper portion of the fixing plate 6, the opening 4 corresponds to the indicator light 3, and the opening 4 is arranged on the upper shell of the hard disk shell 1, so that whether the equipment is in a power supply state or not can be conveniently observed, wherein the indicator light 3 can be used for displaying the electric quantity condition of the main battery.
A photosensitive resistor 7 is arranged at the indicator lamp 3, the photosensitive resistor 7 is connected with a control circuit, and a standby battery is connected with a controller through the control circuit; the photosensitive resistor can be used for sensing the brightness condition of the indicating lamp, the standby battery is controlled to supply power through the control circuit in time, the situation that the test cannot be carried out due to the fact that the electric quantity of the main battery is low is avoided, and the photosensitive resistor is marked by the RL in the circuit.
The control circuit comprises a first triode VT1, the base of a first triode VT1 is connected with the positive pole of a standby battery through a photosensitive resistor RL, the base of a first triode VT1 is connected with the negative pole of the standby battery through a first resistor R1, the collector of the first triode VT1 is connected with the positive pole of the standby battery through a second resistor R2, the emitter of the first triode VT1 is connected with the negative pole of the standby battery through a fourth resistor R4, the collector of a first triode VT1 is connected with the base of a second triode VT2 through a third resistor R3, the emitter of a second triode VT2 is connected with the emitter of a first triode VT1, the collector of a second triode VT2 is connected with the positive pole of the standby battery through a fifth resistor R5, the collector of a second triode VT2 is connected with the base of a third triode VT3 through a sixth resistor R6, and the emitter of a third triode 3 is connected with the positive pole of the standby battery, the collecting electrode of the third triode VT3 is connected with the negative pole of the standby battery through the relay J, the diode D is connected with the relay J in parallel, the normally open contact J-1 of the relay J is connected between the standby battery and the controller in series, the capacitor C is connected with the standby battery in parallel, the power supply of the standby battery can be ensured to be relatively stable, and the electrophoresis impact is avoided.
The present invention is not limited to the above-described embodiments, and variations, modifications, additions and substitutions which are within the spirit of the invention and the scope of the invention may be made by those of ordinary skill in the art are also within the scope of the invention.
Claims (5)
1. The utility model provides a hard disk vibration test fixture, includes the hard disk shell, characterized by:
a triaxial acceleration sensor is arranged in the hard disk shell and is fixed on the hard disk shell through a fixing plate; an indicator light is arranged on the fixing plate, and an opening for observing the indicator light is arranged on the hard disk shell; a USB interface is arranged on the hard disk shell;
the triaxial acceleration sensor is connected with the controller, and the controller is respectively connected with the USB interface, the indicator light and the power supply. (ii) a
A control switch is connected in series between the power supply and the controller;
the power supply is a storage battery, the storage battery comprises a main battery and a standby battery, and the control switch is connected between the main battery and the controller in series;
a photoresistor is arranged at the position of the indicator light, the photoresistor is connected with a control circuit, and the standby battery is connected with the controller through the control circuit;
the control circuit comprises a first triode VT1, the base of the first triode VT1 is connected with the positive pole of the standby battery through a photosensitive resistor RL, the base of the first triode VT1 is connected with the negative pole of the standby battery through a first resistor R1, the collector of the first triode VT1 is connected with the positive pole of the standby battery through a second resistor R2, the emitter of the first triode VT1 is connected with the negative pole of the standby battery through a fourth resistor R4, the collector of the first triode VT1 is connected with the base of the second triode VT2 through a third resistor R3, the emitter of the second triode VT2 is connected with the emitter of the first triode VT1, the collector of the second triode VT2 is connected with the positive pole of the standby battery through a fifth resistor R5, the collector of the second triode VT2 is connected with the base of the third triode VT3 through a sixth resistor R6, the emitter of the third triode VT3 is connected with the positive pole of the standby battery, the collector of the third triode VT3 is connected with the negative pole of the standby battery through the relay J, a diode D is connected with the relay J in parallel, the normally open contact J-1 of the relay J is connected between the standby battery and the controller in series, and a capacitor C is connected with the standby battery in parallel.
2. The hard disk vibration test fixture of claim 1, wherein:
the USB interface is two, set up respectively on the lateral wall of hard disk shell.
3. The hard disk vibration test fixture according to claim 1 or 2, characterized in that:
the indicating lamp is arranged on the upper portion of the fixing plate, the opening corresponds to the indicating lamp, and the opening is arranged on the upper portion of the hard disk shell.
4. The hard disk vibration test fixture of claim 1, wherein:
and a travel switch is arranged at the fixed connection position of the fixed plate and the hard disk shell, and the travel switch is connected with the control switch in series.
5. The hard disk vibration test fixture of claim 1, wherein:
an air pressure sensor and a temperature sensor are also arranged in the hard disk shell and are respectively connected with the controller.
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 |
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| Publication Number | Publication Date |
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| CN109540445A CN109540445A (en) | 2019-03-29 |
| CN109540445B true CN109540445B (en) | 2020-11-27 |
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| CN201910045769.8A Active CN109540445B (en) | 2019-01-17 | 2019-01-17 | Hard disk vibration test fixture |
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Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3028441B2 (en) * | 1992-08-24 | 2000-04-04 | 日本電産株式会社 | Disk drive for recording |
| SG131781A1 (en) * | 2005-10-07 | 2007-05-28 | Creative Tech Ltd | A portable digital media device with a force sensor |
| US7487661B2 (en) * | 2006-10-11 | 2009-02-10 | Freescale Semiconductor, Inc. | Sensor having free fall self-test capability and method therefor |
| TWI469139B (en) * | 2009-11-12 | 2015-01-11 | Hon Hai Prec Ind Co Ltd | Hdd carrier |
| CN103680570B (en) * | 2012-09-04 | 2016-08-17 | 联想(北京)有限公司 | Hard disk protecting method, device and electronic equipment |
| CN103281140B (en) * | 2013-05-16 | 2015-06-17 | 杭州超群科技有限公司 | Communication system anti-seismic test device with accident emergency handling function, and method thereof |
| CN104409105B (en) * | 2014-11-19 | 2018-04-03 | 苏州欧康诺电子科技股份有限公司 | A kind of universal hard disk testing fixture |
| CN205192714U (en) * | 2015-11-16 | 2016-04-27 | 联合汽车电子有限公司 | Vibration clamp |
| CN206208920U (en) * | 2016-11-11 | 2017-05-31 | 郑州云海信息技术有限公司 | Equivalent unit sensing module in a kind of vibratory impulse test |
| CN106527647A (en) * | 2016-11-15 | 2017-03-22 | 郑州云海信息技术有限公司 | Server protection device based on three-dimensional acceleration sensor |
| CN106813886A (en) * | 2017-01-11 | 2017-06-09 | 郑州云海信息技术有限公司 | One kind simulation GPU mechanical shock vibration tools |
| CN107271130A (en) * | 2017-06-16 | 2017-10-20 | 郑州云海信息技术有限公司 | A kind of server mechanical shock test tool |
| CN207020984U (en) * | 2017-07-28 | 2018-02-16 | 郑州云海信息技术有限公司 | A kind of SSD solid state hard discs data copy tool |
| 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 |
| 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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Effective date of registration: 20201102 Address after: 215100 No. 1 Guanpu Road, Guoxiang Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Applicant after: SUZHOU LANGCHAO INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 450000 Henan province Zheng Dong New District of Zhengzhou City Xinyi Road No. 278 16 floor room 1601 Applicant before: ZHENGZHOU YUNHAI INFORMATION TECHNOLOGY Co.,Ltd. |
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