CN205958730U - Hall sensor magnetic flux test structure - Google Patents
Hall sensor magnetic flux test structure Download PDFInfo
- Publication number
- CN205958730U CN205958730U CN201620906753.3U CN201620906753U CN205958730U CN 205958730 U CN205958730 U CN 205958730U CN 201620906753 U CN201620906753 U CN 201620906753U CN 205958730 U CN205958730 U CN 205958730U
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- hall element
- test
- magnetic flux
- magnetic field
- module
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Abstract
The utility model discloses a hall sensor magnetic flux test structure aims at providing a compact structure, assembly maintenance convenient operation and the high hall sensor magnetic flux test structure of test rate of accuracy. The utility model discloses a functional test module, split type test rack and touch -type control system, the functional test module with the touch -type control system all installs on the counter top of split type test rack, the touch -type control system is located one side of functional test module, the functional test module includes hall sensor trigger mechanism, electricity capability test mechanism and motion control mechanism, the motion control establishment of institution in on the counter top of split type test rack, the fixed mounting of electricity capability test mechanism in in the motion control mechanism, be provided with two in the electricity capability test mechanism the hall sensor trigger mechanism. The utility model discloses be applied to hall sensor's magnetic flux calibration test equipment's technical field.
Description
Technical field
This utility model is related to the magnetic flux calibration test equipment of Hall element, particularly to a kind of Hall element magnetic
Flux test structure.
Background technology
Hall effect is one kind of galvanomagnetic-effect, and this phenomenon is that American physicist Hall studied metal in 1879
Conductive mechanism when find, it defines the relation between magnetic field and induced voltage.When electric current passes through to lead perpendicular to external magnetic field
During body, carrier deflects, and the direction perpendicular to electric current and magnetic field can produce an additional electric field, thus producing at the two ends of conductor
Raw electric potential difference, this phenomenon is exactly Hall effect, and this electric potential difference is also referred to as Hull voltage.But due to initial stage metal material
Hall effect too weak without being used widely, but the development with material science, scientist begins to use under study for action
The Hall element being made up of semi-conducting material, and the Hall effect of the Hall element made using semi-conducting material is significantly obtained
Application and developing, Hall element be a kind of when alternating magnetic field is through the out-of-date sensor producing output voltage pulse, pulse
Amplitude is to be determined by the field intensity of excitation field.Therefore, Hall element does not need extraneous power supply to power, hall effect sensor
Can be widely used in power system as ON/OFF sensor or linear transducer.The working condition of Hall element is real
Change by Hall quasiconductor voltage is depending on border, and Hall voltage changes with the change of magnetic field intensity, magnetic field is got over
By force, voltage is higher, and magnetic field is weaker, and voltage is lower, Hall voltage value very little, generally only has several millivolts, but through in integrated circuit
Amplifier amplify, just can make this voltage amplification to enough to export stronger signal.The magnetic field of therefore Hall element sensing is strong
The micro change of degree will be amplified, accuracy rate and result that impact is tested, and the size of magnetic field intensity depends on magnetic field transmitter phase
The material that magnetic field can be produced with extraneous other for the relative distance of Hall element affects；The type circulating on the market now
Whether test equipment, typically just trigger to Hall element and limit, without the trigger range to Hall element
Magnetic field intensity carries out specification.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided a kind of compact conformation,
Assembling maintenance operations convenience and the high Hall element magnetic flux test structure of test accuracy rate.
This utility model be employed technical scheme comprise that：This utility model includes functional test module, split type test machine
Cabinet and touch control system, described functional test module and described touch control system are installed in described split type test
On the counter top of rack, described touch control system is located at the side of described functional test module, described functional test module
Including Hall element trigger mechanism, electrical performance testing mechanism and motion control mechanism, described motion control mechanism is arranged at
On the counter top of described split type test cabinet, described electrical performance testing mechanism is fixedly installed in described motion control mechanism
On, described electrical performance testing mechanism is provided with two described Hall element trigger mechanisms.
Further, described Hall element trigger mechanism all includes magnetic field transmitter, screw mandrel connects bearing, drives silk
Bar, driving means and apart from inductive component, support frame as described above is fixed in described electrical performance testing mechanism, and described distance perspective should
Assembly is installed on support frame as described above, and described driving means may be contained within the top of support frame as described above, and the one of described drive screw
End is connected through support frame as described above and with described driving means, the other end of described drive screw and described screw mandrel connects bearing
It is connected, the bottom of described screw mandrel connects bearing is connected with described magnetic field transmitter.
Further, described electrical performance testing mechanism includes the anti-tampering module of electromagnetic field, product test carrier and probe
Test module, described probe test module is fixedly installed on described motion control mechanism, the fixing peace of described product test carrier
It is loaded in described probe test module, the anti-tampering module of described electromagnetic field is fixedly installed on described product test carrier.
Further, the anti-tampering module of described electromagnetic field include Hall element trigger mechanism fixed plate, insulation tailpin plate,
Magnetic field shielding protection board, probe fixed plate and product pressing plate, described Hall element trigger mechanism fixed plate, described insulation tailpin
Plate, described magnetic field shielding protection board, described probe fixed plate and described product pressing plate stack successively from top to bottom and are fixedly installed in
On described product test carrier.
Further, described Hall element trigger mechanism fixed plate, described insulation tailpin plate, the protection of described magnetic field shielding
It is equipped with several high accuracy unthreaded holes on plate, described probe fixed plate one and described product pressing plate.
Further, described probe test module includes several probe fixed plates two.
Further, described functional test module includes shielding protection cover, and described shielding protection cover is arranged at described motion
On controlling organization, and described electrical performance testing mechanism and described Hall element trigger mechanism are respectively positioned on described shielding protection cover
Inside.
Further, the shell of all parts in described Hall element magnetic flux test structure all using steel or
Panel beating cold drawing carries out parcel and covers.
Further, described magnetic field shielding protection board is formed from steel.
Further, the surface of described product test carrier carrying product is made up of anti-static glass pricker plate, and described probe is solid
Fixed board two is made by insulation glass-fiber-plate.
The beneficial effects of the utility model are：Because this utility model includes functional test module, split type test cabinet
With touch control system, described functional test module and described touch control system are installed in described split type test machine
On the counter top of cabinet, described touch control system is located at the side of described functional test module, described functional test module bag
Include Hall element trigger mechanism, electrical performance testing mechanism and motion control mechanism, described motion control mechanism is arranged at institute
State on the counter top of split type test cabinet, described electrical performance testing mechanism is fixedly installed on described motion control mechanism,
Two described Hall element trigger mechanisms are provided with described electrical performance testing mechanism, wherein, motion control mechanism can be high
Effect delivers to test station to product to be measured exactly, and electrical performance testing mechanism is to check each electricity testing pin mark after product conducting
Learn performance change, and Hall element trigger mechanism is calibrated to the height of trigger mechanism by using Gaussmeter, determine suddenly
Your sensor-triggered mechanism triggers reaction height to product, with the trigger theory of Hall element, carries out to test product
Conducting, and carry out follow-up electrical performance testing, improve toggle rate in the range of specified magnetic flux for the test product, make test accurate
Really rate greatly improves.
Brief description
Fig. 1 is three-dimensional structure diagram of the present utility model；
Fig. 2 is the three-dimensional structure diagram of functional test module；
Tu3Shi electrical performance testing mechanism explosive view；
Fig. 4 be the anti-tampering module of electromagnetic field look up explosive view；
Fig. 5 is the overlook explosive view of the anti-tampering module of electromagnetic field；
Fig. 6 is Hall element trigger mechanism 5 and magnetic field range calibration schematic diagram.
Specific embodiment
As shown in Figures 1 to 6, in the present embodiment, this utility model includes functional test module 1, split type test machine
Cabinet 2 and touch control system 3, described functional test module 1 and described touch control system 3 are installed in described split type
On the counter top of test cabinet 2, described touch control system 3 is located at the side of described functional test module 1, described split type
The inside of test cabinet 2 is provided with circuit board and power supply etc., described functional test module 1, described split type test cabinet 2 and described
Touch control system 3 three is electrically connected with each other, described functional test module 1, described split type test cabinet 2 and described touch
Touch formula control system 3 and adopt separation design, rather than integrated design, and their shell all using steel or panel beating cold drawing or
Other magnetic shield material carry out parcel and cover, and the magnetic field reducing this utility model itself generation is made to the interference of Hall element
With this is first order magnetic field shielding system, provides first to ensure follow-up measuring stability and accuracy rate again；Described function is surveyed
Die trial block 1 includes Hall element trigger mechanism 4, electrical performance testing mechanism 5 and motion control mechanism 6, described motor control
Mechanism 6 is arranged on the counter top of described split type test cabinet 2, and described electrical performance testing mechanism 5 is fixedly installed in described
On motion control mechanism 6, described electrical performance testing mechanism 5 is provided with two described Hall element trigger mechanisms 4；Described
The triggering reaction in the magnetic field that Hall element trigger mechanism 4 discharges in described Hall element trigger mechanism 4 for test product
And carry out follow-up electric property and survey highly, and described Hall element trigger mechanism 4 is used for carrying out the conducting to test product,
Examination, whether the function after described electrical performance testing mechanism 5 is used for testing test product conducting meets use requirement, described motion
Controlling organization 6 is mainly responsible for for product to be measured delivering to test station.
In the present embodiment, described functional test module 1 includes shielding protection cover 7, and described shielding protection cover 7 is arranged at institute
State on motion control mechanism 6, and described electrical performance testing mechanism 5 and described Hall element trigger mechanism 4 be respectively positioned on described
The inside of shielding protection cover 7, described shielding protection cover 7 is the second weight magnetic field shielding protection of the present utility model.
In the present embodiment, described Hall element trigger mechanism 4 all includes magnetic field transmitter 41, screw mandrel connects bearing
42nd, drive screw 43, driving means 44, apart from inductive component 45 and bracing frame 46, described driving means 44 can be motor
Or drive motor or other power set, support frame as described above 46 is fixed in electrical performance testing mechanism 5, described apart from sense group
Part 45 is installed on support frame as described above 46, and described driving means 44 may be contained within the top of support frame as described above 46, described driving silk
One end of bar 43 passes through support frame as described above 46 being connected with described driving means 44, the other end of described drive screw 43 and institute
State screw mandrel connects bearing 42 to be connected, the bottom of described screw mandrel connects bearing 42 is connected with described magnetic field transmitter 41；For reality
Calibration operation before test process for the magnetic field distance in existing described Hall element trigger mechanism 4, using product in the design
Product analog board 47 is simulated emulation detection, is fixed with magnetic flux tester Gaussmeter in described product simulation plate 47, described
The position checking the hall sensor being provided with the exactly test product of position of Gaussmeter, when described driving means 44 are run,
Described drive screw 43 is driven to move downward, thus driving described magnetic field transmitter 41 from initial position gradually to described Gaussmeter
Move in position, described Gaussmeter detection is read data message digital form and fed back the display in described touch control system 3
On screen, when reaching the critical point that described hall sensor triggers magnetic flux, one of described Hall element is triggered machine
Described on structure 4 adjusts to this position apart from inductive component 23, after completing locking, controls another described Hall element triggering
Described driving means 44 in mechanism 4 continue to run downwards, run when described magnetic field transmitter 41 and specify hall sensing to client
After the maximum flux trigger position of device, by described on another described Hall element trigger mechanism 4 apart from inductive component
23 adjust to this position and lock, then two on two Hall element trigger mechanisms 4 described between inductive component 23
Position be the stroke range that described magnetic field transmitter 41 can trigger described hall sensor, repeat above step check calibration
After the accuracy of work, equipment can be devoted oneself to work uses, and calibration operation needs to complete calibration before equipment is operated, and periodically
Make calibration detection.
In the present embodiment, described electrical performance testing mechanism 5 includes the anti-tampering module of electromagnetic field 51, product test carrier
52 and probe test module 53, described probe test module 53 is fixedly installed on described motion control mechanism 6, and described product is surveyed
Examination carrier 52 is fixedly installed in described probe test module 53, and the anti-tampering module 51 of described electromagnetic field is fixedly installed in described product
On product test loaded tool 52, described probe test module 53 includes several probe fixed plates 2 531；Wherein, described product is surveyed
Examination carrier 52, due to needing to carry the product of PCB type, is made using one side anti-static glass pricker plate therefore in the design, eliminates
Electrostatic occur may impact to test product, described probe fixed plate 2 531 made by insulation glass-fiber-plate, prevents between probe
Drain contact affect product test.
In the present embodiment, the anti-tampering module 51 of described electromagnetic field includes Hall element trigger mechanism fixed plate 511, absolutely
Edge tailpin plate 512, magnetic field shielding protection board 513, probe fixed plate 1 and product pressing plate 515, described Hall element triggering
Mechanism's fixed plate 511, described insulation tailpin plate 512, described magnetic field shielding protection board 513, described probe fixed plate 1 and institute
State product pressing plate 515 and stack successively from top to bottom and be fixedly installed on described product test carrier 52；Prevent doing for realizing electromagnetic field
Disturb setting, be also the last line of defense to interference magnetic field in whole equipment, using built-in magnetic field emission device in the design
Protection structure, described Hall element trigger mechanism fixed plate 511, described insulation tailpin plate 512, described magnetic field shielding protection board
513rd, all processed using high accuracy unthreaded hole 516 on described probe fixed plate 1 and described product pressing plate 515, be used in combination steel
The magnetic field shielding effect of the described magnetic field shielding protection board 513 made, makes to remove described emission of magnetic field in test product test process
Do not disturbed by other external magnetic fields outside the magnetic field of device 41.
According to the principle of electromagnetic shielding, when electromagnetic wave reaches shield surface, due on the interface with metal for the air
Impedance discontinuous, to incidence wave produce reflection；Do not reflected away by surface and enter the energy of shield, in vivo to forward pass
During broadcasting, decayed by shielding material.Therefore described Hall element trigger mechanism 4 drive described magnetic field transmitter 41 to
Described Hall element trigger mechanism fixed plate 511, described insulation tailpin plate 512, described is successively entered during lower motion
The described unthreaded hole 516 of magnetic field shielding protection board 513 grade, described unthreaded hole 516 completely cuts off described magnetic field transmitter 41 and extraneous contact,
Thus completely cutting off the impact of other external magnetic fields, after distance test product certain position, trigger the described Hall element on product, from
And turn on product test mechanism；In the design, each assembly all plays electromagnetic-field-shielded effect.
This utility model is applied to the technical field of the magnetic flux calibration test equipment of Hall element.
Although embodiment of the present utility model to be described with practical solution, do not constitute and this utility model is contained
The restriction of justice, for those skilled in the art, according to the group to the modification of its embodiment and with other schemes for this specification
Conjunction will be apparent from.
Claims (10)
1. a kind of Hall element magnetic flux test structure it is characterised in that：It includes functional test module（1）, split type survey
Test-run a machine cabinet（2）With touch control system（3）, described functional test module（1）With described touch control system（3）It is respectively mounted
In described split type test cabinet（2）Counter top on, described touch control system（3）Positioned at described functional test module
（1）Side, described functional test module（1）Including Hall element trigger mechanism（4）, electrical performance testing mechanism（5）With
Motion control mechanism（6）, described motion control mechanism（6）It is arranged at described split type test cabinet（2）Counter top on, described
Electrical performance testing mechanism（5）It is fixedly installed in described motion control mechanism（6）On, described electrical performance testing mechanism（5）On
It is provided with two described Hall element trigger mechanisms（4）.
2. Hall element magnetic flux test structure according to claim 1 it is characterised in that：Described Hall element touches
Send out mechanism（4）All include magnetic field transmitter（41）, screw mandrel connects bearing（42）, drive screw（43）, driving means（44）, distance
Inductive component（45）And bracing frame（46）, support frame as described above（46）It is fixed on electrical performance testing mechanism（5）On, described distance perspective
Answer assembly（45）It is installed on support frame as described above（46）On, described driving means（44）May be contained within support frame as described above（46）Top
End, described drive screw（43）One end pass through support frame as described above（46）And with described driving means（44）It is connected, described drive
Dynamic screw mandrel（43）The other end and described screw mandrel connects bearing（42）It is connected, described screw mandrel connects bearing（42）Bottom and institute
State magnetic field transmitter（41）It is connected.
3. Hall element magnetic flux test structure according to claim 1 it is characterised in that：Described electrical performance testing
Mechanism（5）Including the anti-tampering module of electromagnetic field（51）, product test carrier（52）With probe test module（53）, described probe survey
Die trial block（53）It is fixedly installed in described motion control mechanism（6）On, described product test carrier（52）It is fixedly installed in described
Probe test module（53）On, the anti-tampering module of described electromagnetic field（51）It is fixedly installed in described product test carrier（52）On.
4. Hall element magnetic flux test structure according to claim 3 it is characterised in that：Described electromagnetic field is anti-tampering
Module（51）Including Hall element trigger mechanism fixed plate（511）, insulation tailpin plate（512）, magnetic field shielding protection board
（513）, probe fixed plate one（514）With product pressing plate（515）, described Hall element trigger mechanism fixed plate（511）, described
Insulation tailpin plate（512）, described magnetic field shielding protection board（513）, described probe fixed plate one（514）With described product pressing plate
（515）Stack successively from top to bottom and be fixedly installed in described product test carrier（52）On.
5. Hall element magnetic flux test structure according to claim 4 it is characterised in that：Described Hall element touches
Send out mechanism's fixed plate（511）, described insulation tailpin plate（512）, described magnetic field shielding protection board（513）, described probe fixed plate
One（514）With described product pressing plate（515）On be equipped with several high accuracy unthreaded holes（516）.
6. Hall element magnetic flux test structure according to claim 3 it is characterised in that：Described probe test module
（53）Upper several probe fixed plates two of inclusion（531）.
7. Hall element magnetic flux test structure according to claim 1 it is characterised in that：Described functional test module
（1）Including shielding protection cover（7）, described shielding protection cover（7）It is arranged at described motion control mechanism（6）On, and described electricity
Performance test mechanism（5）With described Hall element trigger mechanism（4）It is respectively positioned on described shielding protection cover（7）Inside.
8. Hall element magnetic flux test structure according to claim 5 it is characterised in that：Described Hall element
The shell of all parts in magnetic flux test structure all carries out parcel using steel or panel beating cold drawing and covers.
9. Hall element magnetic flux test structure according to claim 4 it is characterised in that：Described magnetic field shielding protection
Plate（513）It is formed from steel.
10. Hall element magnetic flux test structure according to claim 6 it is characterised in that：Described product test carries
Tool（52）The surface carrying product is made up of anti-static glass pricker plate, described probe fixed plate two（531）By insulation glass-fiber-plate system
Become.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906753.3U CN205958730U (en) | 2016-08-19 | 2016-08-19 | Hall sensor magnetic flux test structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906753.3U CN205958730U (en) | 2016-08-19 | 2016-08-19 | Hall sensor magnetic flux test structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958730U true CN205958730U (en) | 2017-02-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620906753.3U Withdrawn - After Issue CN205958730U (en) | 2016-08-19 | 2016-08-19 | Hall sensor magnetic flux test structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205958730U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125019A (en) * | 2016-08-19 | 2016-11-16 | 珠海市运泰利自动化设备有限公司 | Hall element magnetic flux test structure |
| CN108375627A (en) * | 2018-04-17 | 2018-08-07 | 东莞市慧眼数字技术有限公司 | Intelligent terminal for damaged metal detection |
| CN108375627B (en) * | 2018-04-17 | 2024-05-14 | 东莞市慧眼数字技术有限公司 | Intelligent terminal for metal damage detection |
-
2016
- 2016-08-19 CN CN201620906753.3U patent/CN205958730U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125019A (en) * | 2016-08-19 | 2016-11-16 | 珠海市运泰利自动化设备有限公司 | Hall element magnetic flux test structure |
| CN106125019B (en) * | 2016-08-19 | 2019-02-12 | 珠海市运泰利自动化设备有限公司 | Hall sensor magnetic flux tests structure |
| CN108375627A (en) * | 2018-04-17 | 2018-08-07 | 东莞市慧眼数字技术有限公司 | Intelligent terminal for damaged metal detection |
| CN108375627B (en) * | 2018-04-17 | 2024-05-14 | 东莞市慧眼数字技术有限公司 | Intelligent terminal for metal damage detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170215 Effective date of abandoning: 20190212 |
|
| AV01 | Patent right actively abandoned |