CN210072008U - Element fixing device for Helmholtz coil magnetic field test - Google Patents
Element fixing device for Helmholtz coil magnetic field test Download PDFInfo
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- CN210072008U CN210072008U CN201920750885.5U CN201920750885U CN210072008U CN 210072008 U CN210072008 U CN 210072008U CN 201920750885 U CN201920750885 U CN 201920750885U CN 210072008 U CN210072008 U CN 210072008U
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- sliding
- adjusting
- fixing
- seat
- helmholtz coil
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- 238000012360 testing method Methods 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- UFNIBRDIUNVOMX-UHFFFAOYSA-N 2,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1Cl UFNIBRDIUNVOMX-UHFFFAOYSA-N 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The utility model discloses an element fixing device for Helmholtz coil magnetic field test, which comprises a base, a Helmholtz coil, a sliding seat, a height adjusting rod, an adjusting seat, a storage adjusting sliding plate and a test board clamping mechanism; the Helmholtz coil is installed on the coil mount, and the coil mount is fixed on the base, and the sliding seat removes on the slip track on the base, and the altitude mixture control pole sets up on the sliding seat, adjusts the seat and installs on the altitude mixture control pole, surveys test panel fixture and can adjust the slide removal putting the thing, puts the thing and adjusts the slide and fix on adjusting the seat. The utility model has the advantages of simple structure and reasonable design, can treat detecting element accurate positioning, the quick dismantlement of being convenient for simultaneously detects the element.
Description
Technical Field
The utility model relates to a magnetic field test instrument technical field specifically is an element fixing device for test of helmholtz coil magnetic field.
Background
A helmholtz coil is a device that produces a uniform magnetic field over a small region. Because the Helmholtz coil has the property of openness, other instruments can be easily placed in or removed from the Helmholtz coil, and the Helmholtz coil can be directly observed visually, the Helmholtz coil is a device which is often used in physical experiments. Named after Hellman von Helmholtz, German physical scholars. The principle of magnetic field generation is that excitation current is introduced into the coils, so that nearly uniform signal magnetic fields are generated in two opposite coils. The magnitude and frequency of the magnetic field are determined by the excitation current strength and the current frequency.
The platform of placing that supplies test element to place is designed at its geometric centre department that sets for to current Helmholtz coil, but in current test especially in the test of magnetic sensor chip, the sensor chip need be equipped with corresponding PCB circuit and relevant interface cooperation test usually, and the platform can't be satisfied the accurate fixed of testing panel is placed to single component, and the platform is placed to the component of fixed setting simultaneously is difficult to with test element installation or dismantlement, causes very big puzzlement to the tester.
Application number is 200720106451.9, provides a remove accredited testing organization and is convenient for test helmholtz coil space interior magnetic field distribution law in the utility model patent of three-dimensional helmholtz coil magnetic field test appearance, but still can't guarantee that test element's fixed is difficult to solve above-mentioned problem.
Disclosure of Invention
In order to solve the above problem, the utility model provides an element fixing device for helmholtz coil magnetic field test convenient to with the quick installation of test element or dismantlement, and fixed test element that can be accurate.
In order to achieve the purpose, the utility model discloses a realize through following technical scheme:
the utility model relates to an element fixing device for Helmholtz coil magnetic field test, which comprises a base, a Helmholtz coil, a sliding seat, a height adjusting rod, an adjusting seat, a storage adjusting sliding plate and a test board clamping mechanism;
the upper surface of the base is equidistantly provided with a plurality of mounting cross frames, the sliding rails are fixed above the mounting cross frames, the sliding seat is arranged above the sliding rails and can freely slide on the sliding rails, the height adjusting rod is fixedly connected on the sliding seat, the adjusting seat is arranged on the height adjusting rod, and the article placing adjusting sliding plate is vertically fixed on the side surface of the adjusting seat;
the coil fixing frame is fixed on the base at the front side of the sliding track, and the Helmholtz coil is arranged on the coil fixing frame;
the adjusting seat is provided with an adjusting rod fixing hole for the height adjusting rod to pass through, the side surfaces of the front side and the rear side of the adjusting seat are symmetrically provided with fixing knobs, and the other ends of the fixing knobs are connected with screwing fixing rods;
the front side surface and the rear side surface of the article placing adjusting sliding plate are both provided with sliding grooves, and the test plate clamping mechanism is connected above the sliding grooves;
survey test panel fixture includes the U-shaped mounting bracket, the bottom of U-shaped mounting bracket evenly is provided with the removal slider of inlaying in the spout of two bilateral symmetry, the equal symmetry in both sides limit of the left and right sides of U-shaped mounting bracket is provided with two and separates the fender regulating plate, every separates that the fender regulating plate all is connected through sliding connection pole, sliding connection pole is provided with vertical sliding tray with the junction of U-shaped mounting bracket, every sliding connection pole's the other end is connected with the lower plate, the upper end of lower plate is provided with the punch holder, through the screw through connection of screwing between punch holder and the lower plate, it is fixed with two fixed threaded rods to run through on every fender regulating plate, the side of U-shaped mounting bracket is provided with two even fixed orificess that are used for installing fixed threaded rod.
The utility model discloses a further improvement lies in: a calibration line is arranged on the horizontal and transverse central axis of the upper surface of the article-holding adjusting sliding plate.
The utility model discloses a further improvement lies in: a layer of rubber cushion block is arranged on the surface of the upper clamping plate opposite to the lower clamping plate.
The utility model discloses a further improvement lies in: and the vertical plates on the two sides of the U-shaped mounting rack are provided with scale scales for marking the screwing position of the screwing cap.
The utility model discloses a further improvement lies in: the outer surface of the screwing cap is provided with a layer of friction threads.
The utility model discloses a further improvement lies in: the upper surface of the adjusting seat is provided with an angle marking disc which is aligned with the marking line.
The utility model has the advantages that: the sliding seat can move on the sliding track, adjust the seat and install on altitude mixture control pole, and put the thing and adjust the slide and fix on adjusting the seat, adjust the position that the seat is in on the altitude mixture control pole through the change and just can adjust the height of slide to the thing, just can adjust the position about the slide to the thing through the position of adjusting the sliding seat, thereby can make survey test panel fixture adjust on level and vertical direction, the PCB board that awaits measuring is fixed on surveying test panel fixture, can the accurate positioning PCB board Helmholtz coil test point that awaits measuring, the PCB board installation and the dismantlement of awaiting measuring of being convenient for. Furthermore, the utility model discloses a survey the accurate centre gripping of survey test panel fixture and await measuring the PCB board, solved traditional Helmholtz coil testboard and did not have the difficult problem that fixture is difficult to carry out relevant test experiment, survey test panel fixture location moreover and improved the accurate nature of test experiment greatly.
The utility model has the advantages of simple structure and reasonable design, can treat detecting element accurate positioning, the quick dismantlement of being convenient for simultaneously detects the element.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the clamping mechanism of the test board of the present invention;
FIG. 3 is a schematic top view of the clamping mechanism of the test board of the present invention;
FIG. 4 is a schematic diagram of the fixture spacing being adjusted by the sliding connecting rod in the clamping mechanism of the test board according to the present invention;
fig. 5 is a side view of the U-shaped mounting bracket of the present invention;
fig. 6 is a top view of the adjusting base of the present invention.
Wherein: 1-base, 101-mounting cross frame, 102-sliding track, 2-helmholtz coil, 201-coil holder, 3-sliding seat, 4-height adjusting rod, 5-adjusting seat, 501-fixing knob, 502-adjusting rod fixing hole, 503-screwing fixing rod, 504-angle scale, 6-object adjusting sliding plate, 601-sliding groove, 602-calibration line, 7-test plate clamping mechanism, 701-U-shaped mounting frame, 702-moving sliding block, 703-upper clamping plate, 704-lower clamping plate, 705-screwing screw, 706-rubber cushion block, 707-sliding connecting rod, 708-block adjusting plate, 709-fixing threaded rod, 710-screwing cap, 711-fixing hole, 712-vertical sliding groove, 713-graduated scale, 714-friction thread, 8-PCB board to be measured.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-6, the utility model relates to an element fixing device for helmholtz coil magnetic field test, which comprises a base 1, a helmholtz coil 2, a sliding seat 3, a height adjusting rod 4, an adjusting seat 5, an object-placing adjusting slide plate 6 and a test board clamping mechanism 7;
a plurality of mounting cross frames 101 are equidistantly arranged on the upper surface of the base 1, a sliding rail 102 is fixed above the mounting cross frames 101, a sliding seat 3 is arranged above the sliding rail 102 and can freely slide on the sliding rail 102, a height adjusting rod 4 is fixedly connected on the sliding seat 3, an adjusting seat 5 is arranged on the height adjusting rod 4, a placing and adjusting sliding plate 6 is vertically fixed on the side surface of the adjusting seat 5, the placing and adjusting sliding plate 6 provides a supporting platform for the test board clamping mechanism 7, the sliding seat 3 can quickly adjust the position of the whole object-placing adjusting sliding plate 6 at a test point of the Helmholtz coil 2, sliding grooves 601 are formed in the front side surface and the rear side surface of the object-placing adjusting sliding plate 6, a calibration line 602 is arranged at the horizontal and transverse central axis of the upper surface of the object-placing adjusting sliding plate 6, the test board clamping mechanism 7 is fixed on the sliding grooves 601, and the test board clamping mechanism 7 can be ensured to be capable of adjusting the position of the object-placing adjusting sliding plate 6 along the sliding grooves 601;
the coil fixing frame 201 is fixed on the base at the front side of the sliding track 102, and the Helmholtz coil 2 is arranged on the coil fixing frame 201;
the adjusting seat 5 is provided with an adjusting rod fixing hole 502 through which the height adjusting rod 4 passes, fixing knobs 501 are symmetrically arranged on the side surfaces of the front side and the rear side of the adjusting seat 5, the other end of each fixing knob 501 is connected with a screwing fixing rod 503, an angle calibration disc 504 aligned with the calibration line 602 is arranged on the upper surface of the adjusting seat 5, the calibration line 602 can be matched with the angle calibration disc 504 on the adjusting seat 5 to accurately position the accurate angle of the PCB 8 to be tested at the testing point of the Helmholtz coil 2, and the testing result is ensured to be more accurate;
when the adjusting seat 5 is adjusted, firstly, the fixing knob 501 is rotated to separate the screwing fixing rod 503 from the surface of the height adjusting rod 4, at this time, the adjusting seat 5 can freely move up and down on the surface of the height adjusting rod 4, the surface of the height adjusting rod 4 is provided with scale marks, the height of the adjusting seat 5 can be adjusted by roughly adjusting the object, after the adjusting is completed, the fixing knob 501 is rotated again to tightly attach the screwing fixing rod 503 to the height adjusting rod 4, at this time, the adjusting seat 5 is fixed again, and the adjusting process is completed.
The test board clamping mechanism 7 comprises a U-shaped mounting frame 701, the bottom end of the U-shaped mounting frame 701 is uniformly provided with two bilaterally symmetrical movable sliding blocks 702 embedded in a sliding groove 601, the left side edge and the right side edge of the U-shaped mounting frame 701 are symmetrically provided with two baffle adjusting plates 708, each baffle adjusting plate 708 is connected through a sliding connecting rod, the joint of the sliding connecting rod 707 and the U-shaped mounting frame 701 is provided with a vertical sliding groove 712, the other end of each sliding connecting rod 707 is connected with a lower clamping plate 704, the upper end of the lower clamping plate 704 is provided with an upper clamping plate 703, the upper clamping plate 703 is in through connection with the lower clamping plate 704 through a screwing screw 705, the surfaces of the upper clamping plate 703 and the lower clamping plate 704 which are opposite are respectively provided with a layer of rubber cushion block 706, the rubber cushion block 706 can effectively prevent the upper clamping plate 703 and the lower clamping plate 704 from damaging a PCB 8 to be, the side of the U-shaped mounting rack 701 is provided with two rows of uniform fixing holes 711 used for mounting the fixing threaded rods 709, the other end of each fixing threaded rod 709 is provided with a screwing cap 710, a vertical plate of the U-shaped mounting rack 701 is provided with a graduated scale 713 used for marking the screwing position of the screwing cap 710, the outer surface of the screwing cap 710 is provided with a layer of friction threads 714, and the friction force between a human hand and the screwing cap 710 can be increased due to the arrangement of the friction threads 714, so that manual adjustment is facilitated.
Before the test, first-selected PCB board 8 that will await measuring is fixed on surveying test panel fixture 7, utilizes and adjusts height and angle of the PCB board 8 that awaits measuring on altitude mixture control pole 4 by adjusting seat 5, and the back that finishes is adjusted removes sliding seat 3 and will adjust the test position that PCB board 8 that awaits measuring sent to in helmholtz coil 2, makes helmholtz coil 2 circular telegram again, will await measuring the test interface of PCB board 8 and receive corresponding equipment on can. The dismantlement process shifts out whole sliding seat 3 equally, then takes out the PCB board 8 that awaits measuring, whole installation and dismantlement process convenient and fast, and the PCB board 8 that awaits measuring can keep fixed totally when testing in Helmholtz coil 2 above all, improves the measuring accuracy greatly.
The width that needs adjust anchor clamps before fixed PCB board 8 that awaits measuring, specific accommodation process is: and the sliding connecting rod 707 is drawn, the sliding connecting rod 707 drives the lower clamping plate 704 to move to the edge of the U-shaped mounting rack 701, the PCB 8 to be tested is placed into the U-shaped mounting rack, and the sliding connecting rods 707 on the left side and the right side are slowly adjusted to enable the PCB 8 to be tested to fall into the clamps on the two sides. And then, the screwing screw 705 is rotated to enable the upper clamping plate 703 and the lower clamping plate 704 to be meshed together to clamp the PCB 8 to be tested, after clamping is finished, a proper position is selected by utilizing the characteristic that the sliding connecting rod 707 can move up and down in the vertical sliding groove 712, at this time, the fixed threaded rod 719 is rotated to enter the fixed hole 711 for fixing, and height adjustment is finished.
It should be mentioned that, in order to avoid the influence of each element on the magnetic field generated by the helmholtz coil 2, the whole device is made of plastic or non-magnetic material, such as aluminum, etc., so as to ensure that the fixing device does not influence the test result, thereby ensuring the measurement accuracy.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A component fixing device for Helmholtz coil magnetic field testing is characterized in that: comprises a base (1), a Helmholtz coil (2), a sliding seat (3), a height adjusting rod (4), an adjusting seat (5), an object placing adjusting sliding plate (6) and a test board clamping mechanism (7);
a plurality of mounting cross frames (101) are equidistantly arranged on the upper surface of the base (1), a sliding rail (102) is fixed above the mounting cross frames (101), a sliding seat (3) is arranged above the sliding rail (102) and can freely slide on the sliding rail (102), the height adjusting rod (4) is fixedly connected onto the sliding seat (3), the adjusting seat (5) is mounted on the height adjusting rod (4), and the object placing and adjusting sliding plate (6) is vertically fixed on the side surface of the adjusting seat (5);
a coil fixing frame (201) is fixed on the base at the front side of the sliding track (102), and the Helmholtz coil (2) is arranged on the coil fixing frame (201);
the adjusting seat (5) is provided with an adjusting rod fixing hole (502) for the height adjusting rod (4) to pass through, the side surfaces of the front side and the rear side of the adjusting seat (5) are symmetrically provided with fixing knobs (501), and the other ends of the fixing knobs (501) are connected with screwing fixing rods (503);
the front side surface and the rear side surface of the article placing adjusting sliding plate (6) are provided with sliding grooves (601), and the test board clamping mechanism (7) is connected above the sliding grooves (601);
the test board clamping mechanism (7) comprises a U-shaped mounting frame (701), two bilateral symmetry movable sliding blocks (702) embedded in sliding grooves (601) are uniformly arranged at the bottom end of the U-shaped mounting frame (701), two baffle adjusting plates (708) are symmetrically arranged on the left side edge and the right side edge of the U-shaped mounting frame (701), each baffle adjusting plate (708) is connected through a sliding connecting rod, a vertical sliding groove (712) is arranged at the joint of the sliding connecting rod (707) and the U-shaped mounting frame (701), the other end of each sliding connecting rod (707) is connected with a lower clamping plate (704), an upper clamping plate (703) is arranged at the upper end of the lower clamping plate (704), the upper clamping plate (703) is in through connection with the lower clamping plate (704) through screwing screws (705), and two fixed threaded rods (709) are fixedly penetrated on each baffle adjusting plate (708), the side of U-shaped mounting bracket (701) is provided with two even fixed orifices (711) that are used for installing fixed threaded rod (709), every the other end of fixed threaded rod (709) all is provided with and screws up cap (710).
2. The device for fixing a component for a Helmholtz coil magnetic field test as claimed in claim 1, wherein: and a calibration line (602) is arranged on the horizontal and transverse central axis of the upper surface of the article accommodating and adjusting sliding plate (6).
3. The device for fixing a component for a Helmholtz coil magnetic field test as claimed in claim 1, wherein: and a layer of rubber cushion block (706) is arranged on the surface of the upper clamping plate (703) opposite to the lower clamping plate (704).
4. The device for fixing a component for a Helmholtz coil magnetic field test as claimed in claim 1, wherein: and the vertical plates at two sides of the U-shaped mounting rack (701) are provided with scale scales (713) for marking the screwing position of the screwing cap (710).
5. The device for fixing a component for a Helmholtz coil magnetic field test according to claim 1, wherein: a layer of friction threads (714) is arranged on the outer surface of the screwing cap (710).
6. The device for fixing a component for a Helmholtz coil magnetic field test according to claim 2, wherein: and an angle calibration disc (504) which is aligned with the calibration line (602) is arranged on the upper surface of the adjusting seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750885.5U CN210072008U (en) | 2019-05-23 | 2019-05-23 | Element fixing device for Helmholtz coil magnetic field test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750885.5U CN210072008U (en) | 2019-05-23 | 2019-05-23 | Element fixing device for Helmholtz coil magnetic field test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210072008U true CN210072008U (en) | 2020-02-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920750885.5U Withdrawn - After Issue CN210072008U (en) | 2019-05-23 | 2019-05-23 | Element fixing device for Helmholtz coil magnetic field test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210072008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082668A (en) * | 2019-05-23 | 2019-08-02 | 南京师范大学泰州学院 | A kind of component-fixing device for Helmholtz coil measurement of magnetic field |
-
2019
- 2019-05-23 CN CN201920750885.5U patent/CN210072008U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082668A (en) * | 2019-05-23 | 2019-08-02 | 南京师范大学泰州学院 | A kind of component-fixing device for Helmholtz coil measurement of magnetic field |
| CN110082668B (en) * | 2019-05-23 | 2024-01-30 | 南京师范大学泰州学院 | Element fixing device for Helmholtz coil magnetic field test |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200214 Effective date of abandoning: 20240130 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200214 Effective date of abandoning: 20240130 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |