CN203929847U - Based on the Hall element of stainless steel pipe box - Google Patents
Based on the Hall element of stainless steel pipe box Download PDFInfo
- Publication number
- CN203929847U CN203929847U CN201420207647.7U CN201420207647U CN203929847U CN 203929847 U CN203929847 U CN 203929847U CN 201420207647 U CN201420207647 U CN 201420207647U CN 203929847 U CN203929847 U CN 203929847U
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- China
- Prior art keywords
- stainless steel
- ring
- iron core
- hall element
- pipe box
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- Expired - Fee Related
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Abstract
The utility model relates to Hall element technical field, a kind of Hall element based on stainless steel pipe box is disclosed, comprise ring stainless steel iron core, for wrapping up the insulation shell of ring stainless steel iron core, in described insulation shell, be provided with space in the ring that can wear for measured conductor, described ring stainless steel iron core is provided with the gap corresponding with encircling interior space, on described gap, circuit board is installed, on described circuit board, hall device is installed, in the first side of described hall device, the second side and back to be equipped with insulation spacer on the 3rd side in space in ring.The utility model adopt insulation spacer insulated in three sides of hall device, even even in use gap location by other foreign material as conductive materials stops up, also there will not be hall device produce damage or testing result accuracy reduce problem.
Description
Technical field
The utility model relates to Hall element technical field, more particularly, and particularly a kind of Hall element based on stainless steel pipe box.
Background technology
Hall current sensor is based on magnetic balance type hall principle, namely closed loop principle, the magnetic flux producing as primary current IP concentrates in magnetic circuit by magnetic core, because being fixed on, hall device in gap, detects magnetic flux, export reverse offset current by the multiturn coil on magnetic core, the magnetic flux producing for offsetting former limit IP, makes magnetic flux in magnetic circuit remain zero.And then through processing of circuit, the output terminal of sensor can be exported the curent change of accurate reflection primary current, reach the effect that detects electric current.
The structure of existing Hall current sensor mainly comprise ring-type insulation shell, be with gapped ring stainless steel iron core, circuit board and hall device, wherein the cavity in the insulation shell ring of ring-type is used for providing measured conductor to pass, ring stainless steel iron core is encapsulated in insulation shell and inside the ring of ring stainless steel iron core, surrounds the ring madial wall of insulation shell, and hall device is positioned on the gap of ring stainless steel iron core after being fixed on circuit board again.
But because hall device is fixed in gap, less owing to reducing, in use easily stopped up by other foreign material, in the time that being conductive materials, tamper easily make hall device produce the result accuracy of damaging or affecting detection.
Utility model content
The Hall element based on stainless steel pipe box that provides a kind of testing result precision high is provided the purpose of this utility model.
In order to solve problem set forth above, the technical solution adopted in the utility model is: based on the Hall element of stainless steel pipe box, comprise ring stainless steel iron core, for wrapping up the insulation shell of ring stainless steel iron core, in described insulation shell, be provided with space in the ring that can wear for measured conductor, described ring stainless steel iron core is provided with the gap corresponding with encircling interior space, on described gap, circuit board is installed, on described circuit board, hall device is installed, in the first side of described hall device, the second side and back to be equipped with insulation spacer on the 3rd side in space in ring.
According to a preferred embodiment of the present utility model: described insulation spacer is fixed on described circuit board, described hall device is set on insulation spacer.
According to a preferred embodiment of the present utility model: described insulation spacer is wrapped on the first side of hall device, the second side and the 3rd side.
According to a preferred embodiment of the present utility model: the structure of the sheet that described insulation spacer is plastic material.
According to a preferred embodiment of the present utility model: be also provided with screen layer between described ring stainless steel iron core and the ring madial wall of insulation shell.
According to a preferred embodiment of the present utility model: described screen layer is fixed on the madial wall of ring stainless steel iron core.
According to a preferred embodiment of the present utility model: described screen layer is fixed on the ring madial wall of insulation shell
According to a preferred embodiment of the present utility model: described screen layer is that nonmagnetic conductive material is made sheet or reticulate texture.
According to a preferred embodiment of the present utility model: described ring stainless steel iron core is formed by two groups of L shaped iron cores overlap joints, and described gap is arranged on the lap-joint of two groups of L shaped iron cores.
Compared with prior art, the beneficial effects of the utility model are: the utility model adopts insulation spacer to be insulated in three sides of hall device, even if in use gap location, by other foreign material as conductive materials stops up, also there will not be hall device to produce the problem of damage or the reduction of testing result accuracy.
Brief description of the drawings
Fig. 1 is the structural representation of the Hall element based on stainless steel pipe box of the present utility model.
Description of reference numerals: 1, insulation shell, 2, ring stainless steel iron core, 3, space in ring, 4, measured conductor, 5, screen layer, 6, gap, 7, hall device, 8, insulation spacer, 9, circuit board, 11, ring madial wall, 21, madial wall, 81, the first side, 82, the second side, 83, the 3rd side.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Consult shown in Fig. 1, the utility model provides a kind of Hall element based on stainless steel pipe box, comprise ring stainless steel iron core 2, for wrapping up the insulation shell 1 of ring stainless steel iron core 2, in described insulation shell 1, be provided with space 3 in the ring that can wear for measured conductor 4, described ring stainless steel iron core 2 is provided with the gap 6 corresponding with encircling interior space 3, on described gap 6, circuit board 9 is installed, on described circuit board 9, hall device 7 is installed, in the first side 81 of described hall device 7, the second side 82 and be equipped with the spacer 8 that insulate on the 3rd side 83 in space 3 in ring.
Principle of the present utility model is: adopted insulation spacer 8 to be insulated in three sides (81,82 and 83) of hall device 7, in use, even if 6 places, gap as conductive materials stops up, also be there will not be hall device 7 to produce the problem of the accuracy reduction of damage or testing result by other foreign material.
Ring stainless steel iron core 2 described in the utility model is formed by two groups of L shaped iron core overlap joints, and described gap 6 is arranged on the lap-joint of two groups of L shaped iron cores, and such structure can reduce the complexity of installation; Also be conducive to the processing of ring stainless steel iron core 2 simultaneously.
The mount scheme of spacer 8 of insulating in the utility model can adopt following two kinds: one, described insulation spacer 8 is fixed on described circuit board 9, described hall device 7 is set on insulation spacer 8.Two, described insulation spacer 8 is wrapped on the first side 81, the second side 82 and the 3rd side 83 of hall device 7.
For further improving insulation effect, the structure of the sheet that described insulation spacer 8 is plastic material.Also can adopt other material.
The utility model is further to avoid the electromagnetism that measured conductor 4 produces in measuring process to produce interference to hall device 7 and circuit board 9, therefore be also provided with screen layer 5 between described ring stainless steel iron core 2 and the ring madial wall 11 of insulation shell 1.
And the mount scheme of screen layer 5 can adopt following two kinds: one, described screen layer 5 is fixed on the madial wall 21 of ring stainless steel iron core 2.Two, described screen layer 5 is fixed on the ring madial wall 11 of insulation shell 1.
As preferably, be the further shield effectiveness that improves, the screen layer 5 described in the present embodiment is made sheet or reticulate texture for nonmagnetic conductive material.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (9)
1. the Hall element based on stainless steel pipe box, comprise ring stainless steel iron core (2), be used for wrapping up the insulation shell (1) of ring stainless steel iron core (2), in described insulation shell (1), be provided with the interior space (3) of the ring that can supply measured conductor (4) to wear, described ring stainless steel iron core (2) is provided with the gap (6) corresponding with encircling interior space (3), on described gap (6), circuit board (9) is installed, on described circuit board (9), hall device (7) is installed, it is characterized in that: in first side (81) of described hall device (7), the second side (82) and be equipped with the spacer (8) that insulate on the 3rd side (83) in space (3) in ring.
2. the Hall element based on stainless steel pipe box according to claim 1, it is characterized in that: it is upper that described insulation spacer (8) is fixed on described circuit board (9), described hall device (7) is set on insulation spacer (8).
3. the Hall element based on stainless steel pipe box according to claim 1, is characterized in that: described insulation spacer (8) is wrapped on first side (81) of hall device (7), the second side (82) and the 3rd side (83).
4. according to the Hall element based on stainless steel pipe box described in claim 2 or 3, it is characterized in that: the structure of the sheet that described insulation spacer (8) is plastic material.
5. the Hall element based on stainless steel pipe box according to claim 4, is characterized in that: between described ring stainless steel iron core (2) and the ring madial wall (11) of insulation shell (1), be also provided with screen layer (5).
6. the Hall element based on stainless steel pipe box according to claim 5, is characterized in that: described screen layer (5) is fixed on the madial wall (21) of ring stainless steel iron core (2).
7. the Hall element based on stainless steel pipe box according to claim 5, is characterized in that: described screen layer (5) is fixed on the ring madial wall (11) of insulation shell (1).
8. the Hall element based on stainless steel pipe box according to claim 5, is characterized in that: described screen layer (5) is made sheet or reticulate texture for nonmagnetic conductive material.
9. the Hall element based on stainless steel pipe box according to claim 1, it is characterized in that: described ring stainless steel iron core (2) is formed by two groups of L shaped iron core overlap joints, and described gap (6) are arranged on the lap-joint of two groups of L shaped iron cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207647.7U CN203929847U (en) | 2014-04-25 | 2014-04-25 | Based on the Hall element of stainless steel pipe box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207647.7U CN203929847U (en) | 2014-04-25 | 2014-04-25 | Based on the Hall element of stainless steel pipe box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929847U true CN203929847U (en) | 2014-11-05 |
Family
ID=51825645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420207647.7U Expired - Fee Related CN203929847U (en) | 2014-04-25 | 2014-04-25 | Based on the Hall element of stainless steel pipe box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203929847U (en) |
-
2014
- 2014-04-25 CN CN201420207647.7U patent/CN203929847U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20141105 Termination date: 20190425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |