CN205541936U - Hard disk magnetic head detection device - Google Patents
Hard disk magnetic head detection device Download PDFInfo
- Publication number
- CN205541936U CN205541936U CN201620097980.6U CN201620097980U CN205541936U CN 205541936 U CN205541936 U CN 205541936U CN 201620097980 U CN201620097980 U CN 201620097980U CN 205541936 U CN205541936 U CN 205541936U
- Authority
- CN
- China
- Prior art keywords
- magnetic head
- detection device
- controller
- helium
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measuring Magnetic Variables (AREA)
Abstract
Hard disk magnetic head detection device includes thermal -protection shell, the insulating cover body, heat -generating body, temperature sensor, vacuum valve, helium transmitter, helium consistency transmitter, magnetic head detector and controller, the insulating cover body is installed in thermal -protection shell's qianmen, constitutes an airtight thermal -insulated cavity of acceping between the insulating cover body and the thermal -protection shell, temperature sensor, heat -generating body and the equal electrically connected controller of magnetic head detector, temperature sensor is used for detecting the temperature value of acceping in the cavity to send the temperature value for the controller, the heat -generating body is used for respectively with different power work in a plurality of time quantums under the control of controller to the temperature in the cavity is acceptd in the regulation, makes the magnetic head detector detect the data reading speed of the magnetic head in acceping the cavity under the different temperatures, and sends the data reading speed under each temperature for the controller. The utility model discloses can detect the data reading speed of the magnetic head in acceping the cavity under the different temperatures for magnetic head detection effect is more objective effective.
Description
Technical field
The utility model relates to a kind of hard disc magnetic head detection device.
Background technology
At present, the air in annular seal space body is typically entered by hard disc magnetic head detection device by vacuum valve
The preliminary exhaust of row, then by helium transmitter to helium please be filled in cavity, discharge residue simultaneously
Air, after the concentrations of helium in cavity reaches 95% stop inflation, start magnetism-head detection device,
Data reading speed with the magnetic head in test chamber；After detection completes, then pass through vacuum valve
Discharge helium, and fill air, in order to staff opens chamber door, take out magnetic head.
Magnetic head can only be detected under constant temperature by existing hard disc magnetic head detection device, and
In reality, magnetic head data reading speed at different temperatures is different, so, will be unable to comprehensive visitor
See ground detection magnetic head.
Utility model content
For the deficiencies in the prior art, the utility model is intended to provide one can solve above-mentioned skill
The hard disc magnetic head detection device of art problem.
For achieving the above object, the utility model adopts the following technical scheme that
A kind of hard disc magnetic head detection device, it include thermally insulating housing, heat insulation lid, heater,
Temperature sensor, vacuum valve, helium transmitter, concentrations of helium sensor, magnetism-head detection device and
Controller；
Heat insulation lid is installed on the Qianmen of thermally insulating housing, constitutes between heat insulation lid and thermally insulating housing
The collecting cavity of one closed heat insulation；Heater is installed on the upper end in thermally insulating housing, TEMP
Device, concentrations of helium sensor and magnetism-head detection device are mounted on housing in cavity, and controller is positioned at
Outside thermally insulating housing；Vacuum valve all connects collecting cavity with helium transmitter；Temperature sensor, true
Empty valve, heater, helium transmitter, concentrations of helium sensor and magnetism-head detection device the most electrically connect
Connect controller；Temperature sensor is for detecting the temperature value housed in cavity, and is sent out by temperature value
Give controller；Heater under the control of the controller within multiple time periods respectively with not
Work with power, house the temperature in cavity with regulation so that magnetism-head detection device is in different temperatures
Lower detection houses the data reading speed of the magnetic head in cavity, and by digital independent at each temperature
Speed is sent to controller.
Preferably, this heater be the front end from thermally insulating housing extend to rear end add heat pipe.
Preferably, thermally insulating housing includes housing, five fixed plates, five vacuum insulation panels and five sealings
Circle, five vacuum insulation panels are embedded on five faces of housing respectively, and five fixed plates are packaged in respectively
Outside five vacuum insulation panels, between each fixed plate and housing, it is provided with a sealing ring.
Preferably, heat insulation lid is assembled the most from inside to outside by inner panel, vacuum insulation panel and outside plate
Form.
The beneficial effects of the utility model are as follows:
The utility model can detect the digital independent of the magnetic head housed in cavity at different temperatures
Speed so that magnetism-head detection effect is the most objective effectively.
Accompanying drawing explanation
Fig. 1 is the stereogram of the better embodiment of the utility model hard disc magnetic head detection device.
Fig. 2 is the stereogram of another view of the hard disc magnetic head detection device of Fig. 1.
Fig. 3 is the installation diagram of the subelement of the hard disc magnetic head detection device of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is done and retouches further
State:
Referring to Fig. 1 to Fig. 3, the utility model relates to a kind of hard disc magnetic head detection device, its
Better embodiment includes thermally insulating housing 10, heat insulation lid 20, heater 40, TEMP
Device 50, vacuum valve 31, helium transmitter 32, concentrations of helium sensor, magnetism-head detection device and
Controller.
Heat insulation lid 20 is installed on the Qianmen of thermally insulating housing 10, heat insulation lid 20 and heat insulation outside
The collecting cavity 15 of a closed heat insulation is constituted between shell 10；Heater 40 be installed on heat insulation outside
Upper end in shell 10, temperature sensor 50, concentrations of helium sensor and magnetism-head detection device are all pacified
Being loaded in collecting cavity 15, controller is positioned at outside thermally insulating housing 10；Vacuum valve 31 and helium
Transmitter 32 all connects collecting cavity 15；Temperature sensor 50, vacuum valve 31, heater
40, helium transmitter 32, concentrations of helium sensor and magnetism-head detection device are all electrically connected with control
Device.
Temperature sensor 50 is for detecting the temperature value housed in cavity 15, and is sent out by temperature value
Give controller；
Heater 40 under the control of the controller within multiple time periods respectively with different merits
Rate works, and houses the temperature in cavity 15 with regulation so that magnetism-head detection device is in different temperatures
Lower detection houses the data reading speed of the magnetic head in cavity 15, and by data at each temperature
Reading speed is sent to controller.
The operation principle of helium transmitter 32, concentrations of helium sensor and vacuum valve 31 is by existing
Technology would know that, repeats no more.
During use, heat insulation lid is opened, magnetic head is put into heat insulation shell, heat insulation closing
Lid；Controller controls vacuum valve according to the detected value of concentrations of helium sensor and extracts collecting cavity out
In air, then control helium transmitter give house cavity house helium, reach in concentrations of helium
Stopping inflation after preset value, start magnetism-head detection device and heater, regulation heating body is when multiple
Between work in default different capacity respectively in section, house the temperature in cavity with regulation so that
Magnetism-head detection device detects the data reading speed of the magnetic head housed in cavity at different temperatures, and
Data reading speed at each temperature is sent to controller；After detection, pass through vacuum valve
Extracting helium out, and be filled with air, staff can open heat insulation lid, takes out magnetic head.
The utility model can detect the data of the magnetic head housed in cavity 15 at different temperatures and read
Take speed so that magnetism-head detection effect is the most objective effectively.
Preferably, this heater 40 is the heating extending to rear end from the front end of thermally insulating housing 10
Pipe, thus improve temperature regulation efficiency.
In the present embodiment, thermally insulating housing 10 includes housing 11, five fixed plate, five vacuum heat-insulations
Plate and five sealing rings, five vacuum insulation panels are embedded on five faces of housing 11 respectively, and five is solid
Determine plate to be packaged in respectively outside five vacuum insulation panels, between each fixed plate and housing 11, be provided with one
Sealing ring.
So, the heat that heater 40 can be made to produce remaines in collecting cavity to greatest extent
In 15, improve temperature regulation efficiency.
Preferably, heat insulation lid 20 is by inner panel, vacuum insulation panel and outside plate the most from inside to outside
It is assembled, improves temperature regulation efficiency further.
" electric connection " related in the utility model is to there is signal of telecommunication transmission between finger element,
It is not limited to being directly connected to, for example, it may be indirectly connected with physically by wire, it is possible to
To be indirectly connected with by other elements such as resistance, electric capacity, it is also possible to be directly to pass through scolding tin
Or plug-in mounting connects.
For a person skilled in the art, can technical scheme as described above and structure
Think, make other various corresponding changes and deformation, and all these changes and deformation
Within all should belonging to the utility model scope of the claims.
Claims (4)
1. a hard disc magnetic head detection device, it is characterised in that: it includes thermally insulating housing, insulation cover
Body, heater, temperature sensor, vacuum valve, helium transmitter, concentrations of helium sense
Device, magnetism-head detection device and controller；
Heat insulation lid is installed on the Qianmen of thermally insulating housing, constitutes between heat insulation lid and thermally insulating housing
The collecting cavity of one closed heat insulation；Heater is installed on the upper end in thermally insulating housing, temperature
Sensor, concentrations of helium sensor and magnetism-head detection device are mounted on housing in cavity, control
Device processed is positioned at outside thermally insulating housing；Vacuum valve all connects collecting cavity with helium transmitter；Temperature
Degree sensor, vacuum valve, heater, helium transmitter, concentrations of helium sensor and magnetic
Head detector is all electrically connected with controller；Temperature sensor is in detecting collecting cavity
Temperature value, and temperature value is sent to controller；Heater is for the control at controller
Under work with different capacity respectively within multiple time periods, house the temperature in cavity with regulation
Degree so that magnetism-head detection device detects the data of the magnetic head housed in cavity at different temperatures
Reading speed, and data reading speed at each temperature is sent to controller.
2. hard disc magnetic head detection device as claimed in claim 1, it is characterised in that: this heater
Heat pipe is added for extend to rear end from the front end of thermally insulating housing.
3. hard disc magnetic head detection device as claimed in claim 1, it is characterised in that: thermally insulating housing
Including housing, five fixed plates, five vacuum insulation panels and five sealing rings, five vacuum insulation panels
Being embedded at respectively on five faces of housing, five fixed plates are packaged in five vacuum insulation panels respectively
Outward, a sealing ring it is provided with between each fixed plate and housing.
4. hard disc magnetic head detection device as claimed in claim 3, it is characterised in that: heat insulation lid
It is assembled the most from inside to outside by inner panel, vacuum insulation panel and outside plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097980.6U CN205541936U (en) | 2016-01-30 | 2016-01-30 | Hard disk magnetic head detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097980.6U CN205541936U (en) | 2016-01-30 | 2016-01-30 | Hard disk magnetic head detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205541936U true CN205541936U (en) | 2016-08-31 |
Family
ID=56775045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620097980.6U Expired - Fee Related CN205541936U (en) | 2016-01-30 | 2016-01-30 | Hard disk magnetic head detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205541936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741860A (en) * | 2016-01-30 | 2016-07-06 | 中钧科技(深圳)有限公司 | Disk head detection apparatus for disk |
| CN110569681A (en) * | 2019-07-26 | 2019-12-13 | 太阳神(珠海)电子有限公司 | Magnetic head with temperature compensation function and temperature compensation method thereof |
-
2016
- 2016-01-30 CN CN201620097980.6U patent/CN205541936U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741860A (en) * | 2016-01-30 | 2016-07-06 | 中钧科技(深圳)有限公司 | Disk head detection apparatus for disk |
| CN105741860B (en) * | 2016-01-30 | 2018-08-28 | 中钧科技(深圳)有限公司 | Hard disc magnetic head detection device |
| CN110569681A (en) * | 2019-07-26 | 2019-12-13 | 太阳神(珠海)电子有限公司 | Magnetic head with temperature compensation function and temperature compensation method thereof |
| CN110569681B (en) * | 2019-07-26 | 2024-05-03 | 太阳神(珠海)电子有限公司 | Magnetic head with temperature compensation function and temperature compensation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205541936U (en) | Hard disk magnetic head detection device | |
| CN203871689U (en) | Intelligent ring main unit with moisture-proof function | |
| CN105222510B (en) | Refrigerator condensation prevention control method and refrigerator | |
| CN204473531U (en) | A kind of food preserving temperature and reducing temperature device | |
| CN202888667U (en) | Condensation preventing outdoor box | |
| CN105741860A (en) | Disk head detection apparatus for disk | |
| CN206293162U (en) | Magnetic head instrument | |
| CN215640986U (en) | Condensation test device | |
| CN107270021B (en) | A kind of gas pipeline with automatic closing function | |
| CN205042488U (en) | Steam ageing tests case | |
| CN206950021U (en) | food processing appliance | |
| CN202310419U (en) | All-weather outdoor intelligent constant temperature control cabinet | |
| CN204891899U (en) | Cold thermal shock test case | |
| CN202836082U (en) | Vacuum oven | |
| CN202619341U (en) | Food heater | |
| CN108242242A (en) | A kind of magnetic head instrument | |
| CN207071053U (en) | Pressure test device and food cooking machine | |
| CN205811349U (en) | A kind of automatic heat radiation electric power cabinet | |
| CN110579505A (en) | building curtain wall heat-insulating property detection equipment | |
| CN206745173U (en) | Cover structure and electric pressure cooking saucepan | |
| CN215491951U (en) | Double-chamber balance container | |
| CN216744565U (en) | Energy-saving heating and ventilating heating device | |
| CN213122861U (en) | Safety application device for computer informatization | |
| CN215523766U (en) | Constant temperature and humidity device of gas wall-mounted boiler | |
| CN209406351U (en) | A kind of combined high temperature low air pressure testing chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190130 |