CN205539415U - Magnetic declination measurement device - Google Patents
Magnetic declination measurement device Download PDFInfo
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- CN205539415U CN205539415U CN201620191495.5U CN201620191495U CN205539415U CN 205539415 U CN205539415 U CN 205539415U CN 201620191495 U CN201620191495 U CN 201620191495U CN 205539415 U CN205539415 U CN 205539415U
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- measurement device
- magnetic declination
- declination measurement
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Abstract
The utility model provides a magnetic declination measurement device. Magnetic declination measurement device includes support frame, test position, magnetic field generating device and measures anchor clamps, measure anchor clamps including the base that has accommodating space, erect in two the live movable clamp plate and connect two that accommodating space and relative set up movable clamp plate's alive elastic component, the base include two hollow structure first frame, respectively with two two second frames that first frame is connected, simultaneously with first frame with underframe that the second frame is connected and seting up in two two sliding trays of the first relative both sides of frame, two first frame, two second frames and the underframe encloses jointly accommodating space, the movable clamp plate card of living locates two sliding tray and edge the sliding tray slides, the elastic component is fixed in just connect two respectively in the first frame movable clamp plate's alive both ends. Compared with the prior art, the utility model discloses a magnetic declination measurement device easy operation and centre gripping are firm.
Description
Technical field
This utility model relates to magnetic material performance test field, particularly relates to a kind of magnetic declination and surveys
Amount device.
Background technology
The application of permanent magnet material is very universal, little to toy for children, micromachine, the communication apparatus,
Big to electric automobile, artificial satellite, magnetic suspension train, from each family, office to workers and peasants
Each branchs of industry such as doctor, everywhere can visible permanent magnetism application product.Permanent magnet material is being answered
During with, the particularly application in hi-tech industry, need the magnetic declination to permanent magnet material
Accurately measure.Therefore, design one is measured simply and magnetic declination measures dress fast and accurately
Put the extensively application for permanent magnet material extremely important.
In correlation technique, magnetic declination measurement device is generally by field generator for magnetic, fluxmeter, survey
Amount platform and measured material composition, be positioned over test desk by the measured material being folded with permanent magnet to be measured
And move in magnetic field, the magnetic biasing of permanent magnet to be measured is measured by field generator for magnetic and fluxmeter
Angle.But, the measured material unreasonable structure in the magnetic declination measurement device of existing structure, behaviour
Make personnel when being positioned in measured material by permanent magnet, need to be by tightening fixing nut by permanent magnet
Being located in measured material, there is the unstable problem with damage permanent magnet of clamping in this, so that
Poor stability during measurement, measures efficiency low.
Therefore, it is necessary to provide a kind of new magnetic declination measurement device to solve the problems referred to above.
Utility model content
This utility model technical issues that need to address be to provide simple to operate, clamping is firm, survey
Measure good stability and measure the magnetic declination measurement device that efficiency is high.
This utility model provides a kind of magnetic declination measurement device, including bracing frame, test desk, magnetic
Field generating means and measured material, described test desk and described field generator for magnetic are individually fixed in
On support frame as described above, described measured material is placed on described test desk and is positioned at described magnetic field and occurs
The geometric center of device, described measured material includes having the base of receiving space, be set up in institute
State receiving space and two ambulatory splints being oppositely arranged and connect the elasticity of ambulatory splint described in two
Part, described base includes the first frame of two hollow structures, connects with the first frame described in two respectively
2 second frames that connect, the underframe being simultaneously connected with described first frame and described second frame and
It is opened in two sliding trays of the first frame opposite sides described in two, the first frame described in two, 2
Two frames and described underframe surround described receiving space jointly, and described ambulatory splint is arranged in two institutes
State sliding tray and slide along described sliding tray, described elastic component be fixed in described first frame and
Connect the two ends of ambulatory splint described in two respectively.
Preferably, described measured material also includes being arranged at described ambulatory splint away from described underframe
Side open folder portion.
Preferably, described ambulatory splint includes two limiting sections, limiting section described in two respectively with two institutes
State the first frame opposite sides to abut against.
Preferably, described ambulatory splint also includes being positioned at its side away from described second frame
Gripping layer.
Preferably, described gripping layer is rubber layer.
Preferably, described measured material is made up of aluminum or plastics or timber.
Preferably, described elastic component is spring.
Preferably, described field generator for magnetic is three-dimensional Helmholtz coil.
Compared with correlation technique, described permanent magnet is entered by magnetic declination measurement device of the present utility model
During row magnetic declination is measured, open measurement folder by stretching the spacing between two ambulatory splints
Tool, after tested permanent magnet is positioned over the receiving space of described measured material, described in two, second lives
Dynamic clamping plate slide along described sliding tray respectively under the effect of elastic component, thus by described permanent magnet
Clamping, which clamping is firm, easy to operate.The described survey of described permanent magnet will be folded with again
Amount fixture is positioned on test desk, accurately measures described permanent magnet by described field generator for magnetic
Magnetic declination.Described magnetic declination measurement device has simple to operate, clamping and consolidates, avoids scratching
Or damage tested permanent magnet and measure the advantage that efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model magnetic declination measurement device；
Fig. 2 is the part isometric structural representation of magnetic declination measurement device in Fig. 1；
Fig. 3 is the structural representation of the measured material of magnetic declination measurement device in Fig. 1；
Fig. 4 is the cut-away view shown in Fig. 3 along line A-A.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Please refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is that this utility model magnetic declination measures dress
The structural representation put；Fig. 2 is the part isometric structural representation of magnetic declination measurement device in Fig. 1
Figure.Described magnetic declination measurement device 1 includes bracing frame 10, field generator for magnetic 11, measures
Platform 13, fluxmeter 15, measured material 17 and processor 19.Described field generator for magnetic 11
Being individually fixed on support frame as described above 10 with described test desk 13, described measured material 17 is put
On described test desk 13 and be positioned at the geometric center of described field generator for magnetic 11.Described magnetic
Amount to 15 electrically connect with described field generator for magnetic 11.Described processor 19 and described magnetic flux
Meter 15 electrical connection, the signal that described fluxmeter 15 is transmitted by described processor 19 is carried out
Synthesis processes, and finally exports the magnetic biasing angle value of permanent magnet (not shown).
Described field generator for magnetic 11 is three-dimensional Helmholtz coil.Described field generator for magnetic
11 the most independent can measure described permanent magnet magnetic moment in three directions in three dimensional coordinate space,
Thus ensureing the accuracy measuring magnetic declination and measuring efficiency.
Described test desk 13 is arranged on support frame as described above 10 and is positioned at described field generator for magnetic
In 11.Described test desk 13 is used for supporting described measured material 17 and needing to adjust according to measurement
Save described measured material 17 location.In order to ensure accuracy of measurement, described measurement is pressed from both sides
Tool 17 is positioned at the homogeneity range in magnetic field.In the present embodiment, described measured material 17 is positioned at institute
State the geometric center of field generator for magnetic 11.
Described fluxmeter 15 has integrating circuit, and described integrating circuit will receive described magnetic field and send out
In generating apparatus 11 Helmholtz coil produce electromotive force and carry out Integral Processing and transmit signal
To described processor 19, thus calculate the magnetic declination of tested permanent magnet.
Please refer to the measurement folder that Fig. 3 and Fig. 4, Fig. 3 are magnetic declination measurement device in Fig. 1
The structural representation of tool；Fig. 4 is the cut-away view shown in Fig. 3 along line A-A.Described measurement
Fixture 17 includes base 171, two ambulatory splint 173, opens folder portion 177 and two elastic components 179.
Described base 171 is positioned on described test desk 13, and has receiving space 1710.Two institutes
State ambulatory splint 173 and be oppositely arranged in parallel and be set up in described receiving space 1710.Described open
Folder portion 177 is arranged at the described ambulatory splint 173 side away from described underframe.Described elastic component
179 respectively two ends with ambulatory splint described in two 173 be connected, thus pull respectively and live described in two
There is relative motion in dynamic clamping plate 173, it is achieved clamps described permanent magnet.In the present embodiment,
Described measured material 17 is made up of aluminum or plastics or timber, thus by magnetic during preventing from using
Change, affect accuracy of measurement.It should be noted that for avoiding described measured material 17 to magnetic
The impact of field, all parts of described measured material 17 are made by non-magnet material.
Described base 171 includes 2 first frame 1711,2 second frames 1712, underframe 1713
And sliding tray 1715.Described in two, the first frame 1711 is hollow structure.Second frame described in two
1712 are connected with the first frame 1711 described in two respectively.With two institutes while of described underframe 1713
State the second frame 1712 described in the first frame 1711 and two to connect.First frame 1711 described in two,
Described in two, the second frame 1712 and described underframe 1713 surround described receiving space 1710 jointly.
Sliding tray 1715 described in two is opened in opposite sides and the edge of the first frame 1711 described in two respectively
The length direction of described first frame 1711 extends.
Described ambulatory splint 173 includes clamping plate 1731, two limiting section 1733 and gripping layer 1735.
Described clamping plate 1731 are arranged in sliding tray 1715 described in two and are set up in described receiving space
1710, described clamping plate 1731 slide along sliding tray described in two 1715.Limiting section 1733 described in two
Be arranged on described clamping plate 1731 and respectively with the opposite sides phase of the first frame 1711 described in two
Abut, thus avoid described clamping plate 1731 that off normal occurs in described sliding tray 1715.Described
Gripping layer 1735 is arranged at the described clamping plate 1731 side away from described second frame 1712,
Described ambulatory splint 173 clamps permanent magnet by described gripping layer 1735.In present embodiment
In, described gripping layer 1735 rubber layer, rubber layer skin-friction force is big and relatively soft, makes institute
State the frictional force between gripping layer 1733 and described permanent magnet big, thus increase steadiness, with
Time avoid scratching or damage described permanent magnet.
Described elastic component 179 is fixedly installed in described first frame 1711, thus prevents institute
State the entirety of ambulatory splint 173 formation described in elastic component 179 and two along described sliding tray 1715
Length direction slides.In the present embodiment, the centre position of described elastic component 179 is with described
First frame 1711 is fixing to be connected, and the two ends of described elastic component 179 connect respectively lives described in two
Dynamic clamping plate 173, so that the clamping steadiness of described measured material 17 is good.Opened by described
Folder portion 177 pulls ambulatory splint 173 described in two respectively, makes described in two between ambulatory splint 173
Spacing increase, thus realize described permanent magnet is positioned in described measured material 17；Pine
Opening folder portion 177 described in opening, described elastic component 179 shrinks thus pulls ambulatory splint 173 described in two
Realizing the clamping to described permanent magnet, the process operation clamping described permanent magnet is simple, so that
Measurement efficiency is high.Wherein, described elastic component 179 is spring, has simple in construction, low cost
And the advantage that elastic force is big, increase the clamping steadiness of described measured material 17 further.
Compared with correlation technique, described permanent magnet is entered by magnetic declination measurement device of the present utility model
During row magnetic declination is measured, open measurement folder by stretching the spacing between two ambulatory splints
Tool, after tested permanent magnet is positioned over the receiving space of described measured material, described in two, second lives
Dynamic clamping plate slide along described sliding tray respectively under the effect of elastic component, thus by described permanent magnet
Clamping, which clamping is firm, easy to operate.The described survey of described permanent magnet will be folded with again
Amount fixture is positioned on test desk, accurately measures described permanent magnet by described field generator for magnetic
Magnetic declination.Described magnetic declination measurement device has simple to operate, clamping and consolidates, avoids scratching
Or damage tested permanent magnet and measure the advantage that efficiency is high.
The foregoing is only embodiment of the present utility model, not thereby limit of the present utility model
The scope of the claims, every equivalent structure utilizing this utility model description and accompanying drawing content to be made or
Equivalence flow process conversion, or directly or indirectly it is used in other relevant technical field, the most in like manner wrap
Include in scope of patent protection of the present utility model.
Claims (8)
1. a magnetic declination measurement device, including bracing frame, test desk, field generator for magnetic and
Measured material, described test desk and described field generator for magnetic are individually fixed on support frame as described above,
Described measured material is placed on described test desk and is positioned at the geometric center of described field generator for magnetic,
It is characterized in that, described measured material includes having the base of receiving space, be set up in described collecting
Space and two ambulatory splints being oppositely arranged and connect the elastic component of ambulatory splint, the described end described in two
The first frame that seat includes two hollow structures, 2 second limits that are connected with the first frame described in two respectively
Frame, the underframe being simultaneously connected with described first frame and described second frame and be opened in described in two the
One frame opposite sides and two sliding trays extended along described first frame length direction, described in two the
One frame, 2 second frames and described underframe surround described receiving space, described ambulatory splint jointly
Being arranged in sliding tray described in two and slide along described sliding tray, described elastic component is fixed on described first
Frame is interior and connects the two ends of ambulatory splint described in two respectively.
Magnetic declination measurement device the most according to claim 1, it is characterised in that described survey
Amount fixture also include being arranged at described ambulatory splint away from described underframe side open folder portion.
Magnetic declination measurement device the most according to claim 1, it is characterised in that described work
Dynamic clamping plate include two limiting sections, limiting section described in two respectively with the first frame opposite sides phase described in two
Abut.
Magnetic declination measurement device the most according to claim 3, it is characterised in that described work
Dynamic clamping plate also include being positioned at its gripping layer away from the side of described second frame.
Magnetic declination measurement device the most according to claim 4, it is characterised in that described folder
Tight layer is rubber layer.
Magnetic declination measurement device the most according to claim 1, it is characterised in that described survey
Amount fixture is made up of aluminum or plastics or timber.
Magnetic declination measurement device the most according to claim 6, it is characterised in that described bullet
Property part is spring.
Magnetic declination measurement device the most according to claim 1, it is characterised in that described magnetic
Field generating means is three-dimensional Helmholtz coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191495.5U CN205539415U (en) | 2016-03-11 | 2016-03-11 | Magnetic declination measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191495.5U CN205539415U (en) | 2016-03-11 | 2016-03-11 | Magnetic declination measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539415U true CN205539415U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620191495.5U Active CN205539415U (en) | 2016-03-11 | 2016-03-11 | Magnetic declination measurement device |
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| CN (1) | CN205539415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596863A (en) * | 2018-12-03 | 2019-04-09 | 清华大学 | A kind of Helmholtz coil test measured piece stationary fixture |
| CN113655416A (en) * | 2021-07-26 | 2021-11-16 | 杭州象限科技有限公司 | Permanent magnet declination & magnetic moment detection device |
-
2016
- 2016-03-11 CN CN201620191495.5U patent/CN205539415U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596863A (en) * | 2018-12-03 | 2019-04-09 | 清华大学 | A kind of Helmholtz coil test measured piece stationary fixture |
| CN113655416A (en) * | 2021-07-26 | 2021-11-16 | 杭州象限科技有限公司 | Permanent magnet declination & magnetic moment detection device |
| CN113655416B (en) * | 2021-07-26 | 2024-03-12 | 杭州象限科技有限公司 | Permanent magnet declination and magnetic moment detection device |
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| GR01 | Patent grant |