CN207336619U - A kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core - Google Patents
A kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core Download PDFInfo
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- CN207336619U CN207336619U CN201721376046.9U CN201721376046U CN207336619U CN 207336619 U CN207336619 U CN 207336619U CN 201721376046 U CN201721376046 U CN 201721376046U CN 207336619 U CN207336619 U CN 207336619U
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- magnetic core
- insulation shell
- skeleton
- poly
- high precision
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Abstract
The utility model discloses a kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core, including insulation shell and base, the insulation shell is fixed on the upper end of the base, and the insulation shell is internally provided with skeleton, the tangent setting of inner wall of the skeleton and the insulation shell.Beneficial effect：Pass through the magnetic core set in the insulation shell of setting, electric current on outer lead can be captured to the change that magnetic field is converted on the magnetic core, and then by setting the Hall element that magnetic field is converted into the change of voltage at the magnetic core air gap of the magnetic core, by the isolation board of setting, the anti-tampering ability for strengthening signal can be played；In addition, by being provided with axisymmetric magnetic structure in the periphery of the magnetic core, and the magnetic core air gap is located at the influence that magnetic core remanent magnetism and electromagnetic interference are counteracted on symmetry axis so that the precision and antijamming capability of sensor are improved, of simple structure and strong practicability.
Description
Technical field
Current sensor field is the utility model is related to, it particularly relates to a kind of pcb formulas high accuracy without poly- magnetic core
Open loop Hall current sensor.
Background technology
Open loop Hall current sensor refers to be based on Hall direct amplifier system operation principle, i.e., when primary current IP is led by a root long
During line, magnetic field is produced around conducting wire, the size in this magnetic field is directly proportional to the electric current flowed through, and the magnetic field of generation is gathered in magnetic
In ring, with the development of science and technology, Hall element is widely used in frequency converter, inverter, numerically-controlled machine tool
Etc. every field, but in the prior art, Hall current sensor installs the problem of inconvenient there are poor anti jamming capability.
The problem of in correlation technique, not yet propose effective solution at present.
Utility model content
The problem of in correlation technique, the utility model proposes a kind of pcb formulas High Precision Open-loop without poly- magnetic core suddenly
That current sensor, to overcome the above-mentioned technical problem present in existing correlation technique.
What the technical solution of the utility model was realized in：
A kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core, including insulation shell and base, it is described
Insulation shell is fixed on the upper end of the base, and the insulation shell is internally provided with skeleton, the skeleton and the insulation shell
The tangent setting of inner wall of body, wherein the skeleton includes inner frame and outer skeleton, winds on the inner frame and is provided with secondary wire
Winding is enclosed, is wound on the outer skeleton and is provided with primary coil winding, side of the inner frame away from the outer skeleton is equipped with
Toroidal core, the lower part of the magnetic core are equipped with magnetic core air gap, and Hall element is provided with the magnetic core air gap, and the magnetic core breaks
Isolation board is equipped with face, conductive plate is equipped with the inside of the isolation board, is led between the Hall element and the conductive plate
Cross conducting wire to be connected, the conducting wire is arranged inside conduit, and the end of the inner frame is provided with opposite with the Hall element
And the slot below the magnetic core air gap, the front of the insulation shell are equipped with connection frame.
Further, fixing piece phase interlocking is passed through between the inner frame and the outer skeleton.
Further, the Hall element is installed in magnetic core groove, and the both ends of the magnetic core groove are connected with the isolation board
Connect.
Further, the connection frame includes some connecting holes and link slot, and the connecting hole is horizontally placed on the company
In access slot.
Further, the magnetic core groove is equipped with lead pin hole.
Further, the slot is equipped with installation slotted eye.
Further, the left side of the insulation shell is equipped with perforates with the outer matched spill of skeleton.
The beneficial effects of the utility model：, can be by outside by the magnetic core set in the insulation shell of setting
Electric current on portion's conducting wire captures the change that magnetic field is converted on the magnetic core, and then passes through the magnetic core gas in the magnetic core
Set the Hall element that magnetic field is converted into the change of voltage at gap, by the isolation board of setting, reinforcement can be played
The anti-tampering ability of signal；In addition, by being provided with axisymmetric magnetic structure, and the magnetic core gas in the periphery of the magnetic core
Gap is located at the influence that magnetic core remanent magnetism and electromagnetic interference are counteracted on symmetry axis so that the precision and antijamming capability of sensor obtain
Improve, of simple structure and strong practicability.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is passed according to a kind of pcb formula High Precision Open-loops Hall current without poly- magnetic core of the utility model embodiment
The structure diagram of sensor；
Fig. 2 is passed according to a kind of pcb formula High Precision Open-loops Hall current without poly- magnetic core of the utility model embodiment
Enlarged drawing in sensor at magnetic core air gap；
Fig. 3 is passed according to a kind of pcb formula High Precision Open-loops Hall current without poly- magnetic core of the utility model embodiment
The schematic diagram of frame is connected in sensor.
In figure：
1st, insulation shell；2nd, outer skeleton；3rd, primary coil winding；4th, inner frame；5th, secondary coil winding；6th, conductive plate；
7th, base；8th, conducting wire；9th, magnetic core groove；10th, installation slotted eye；11st, slot；12nd, Hall element；13rd, isolation board；14th, lead pin hole；
15th, spill is perforated；16th, frame is connected；17th, connecting hole；18th, link slot；19th, skeleton；20th, magnetic core；21st, magnetic core air gap.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art's all other embodiments obtained, all belong to
In the scope of the utility model protection.
A kind of embodiment according to the present utility model, there is provided pcb formula High Precision Open-loop Hall currents without poly- magnetic core
Sensor.
As shown in Figs. 1-3, according to the pcb formula High Precision Open-loop Hall currents without poly- magnetic core of the utility model embodiment
Sensor, including insulation shell 1 and base 7, the insulation shell 1 are fixed on the upper end of the base 7, the insulation shell 1
Be internally provided with skeleton 19, the tangent setting of inner wall of the skeleton 19 and the insulation shell 1, wherein the skeleton 19 include it is interior
Skeleton 4 and outer skeleton 2, on the inner frame 4 winding be provided with secondary coil winding 5, on the outer skeleton 2 winding be provided with just
Level coil windings 3, side of the inner frame 4 away from the outer skeleton 2 are equipped with toroidal core 20, and the lower part of the magnetic core 20 is set
There is magnetic core air gap 21, Hall element 12 is installed at the magnetic core air gap 21, the section part of the magnetic core 20 is equipped with isolation board
13, the inner side of the isolation board 13 is equipped with conductive plate 6, passes through 8 phase of conducting wire between the Hall element 12 and the conductive plate 6
Connection, the conducting wire 8 are arranged inside conduit, and the end of the inner frame 4 is provided with and position opposite with the Hall element 12
Slot 11 in the lower section of magnetic core air gap 21, the front of the insulation shell 1 are equipped with connection frame 16.
In one embodiment, fixing piece phase interlocking is passed through between the inner frame 4 and the outer skeleton 2.
In one embodiment, the Hall element 12 be installed on magnetic core groove 9 in, the both ends of the magnetic core groove 9 with it is described
Isolation board 13 is connected.By the isolation board 13 of setting, the anti-tampering ability of signal can be strengthened.
In one embodiment, the connection frame 16 includes some connecting holes 17 and link slot 18,17 water of connecting hole
It is flat to be arranged in the link slot 18.It is convenient to the secondary wire by the link slot 18 and the connecting hole 17 of setting
Circle winding 5 is powered and is installed.
In one embodiment, the magnetic core groove 9 is equipped with lead pin hole 14.
In one embodiment, the slot 11 is equipped with installation slotted eye 10.
In one embodiment, the left side of the insulation shell 1 is equipped with perforates with the outer 2 matched spill of skeleton
15.By the spill perforation 15 of setting, the introducing to primary current can be facilitated.
In conclusion by means of the above-mentioned technical proposal of the utility model, by insulation shell 1 and base 7, the insulation
Housing 1 is fixed on the upper end of the base 7, and the insulation shell 1 is internally provided with skeleton 19, the skeleton 19 and the insulation
The tangent setting of inner wall of housing 1, wherein the skeleton 19 includes inner frame 4 and outer skeleton 2, winds on the inner frame 4 and sets
There is secondary coil winding 5, wound on the outer skeleton 2 and be provided with primary coil winding 3, the inner frame 4 is away from the dermoskeleton
The side of frame 2 is equipped with toroidal core 20, and the lower part of the magnetic core 20 is equipped with magnetic core air gap 21, is provided with the magnetic core air gap 21
Hall element 12, the section part of the magnetic core 20 are equipped with isolation board 13, and the inner side of the isolation board 13 is equipped with conductive plate 6,
It is connected between the Hall element 12 and the conductive plate 6 by conducting wire 8, the conducting wire 8 is arranged inside conduit, described
The end of inner frame 4 is provided with slot 11 opposite with the Hall element 12 and below the magnetic core air gap 21, described exhausted
The front of edge housing 1 is equipped with connection frame 16.The beneficial effects of the utility model：By being set in the insulation shell 1 of setting
The magnetic core 20, the electric current on outer lead can be captured to the change that magnetic field is converted on the magnetic core, and then pass through
Set the Hall element 12 that magnetic field is converted into the change of voltage at the magnetic core air gap 21 of the magnetic core 20, by setting
The isolation board 13 put, can play the anti-tampering ability for strengthening signal；In addition, set by the periphery in the magnetic core 20
There is an axisymmetric magnetic structure, and the magnetic core air gap 21 is located on symmetry axis and counteracts magnetic core remanent magnetism and the shadow of electromagnetic interference
Ring so that the precision and antijamming capability of sensor are improved, of simple structure and strong practicability.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core, it is characterised in that including insulation shell
(1) and base (7), the insulation shell (1) are fixed on the upper end of the base (7), and insulation shell (1) is internally provided with
Skeleton (19), the skeleton (19) and the tangent setting of inner wall of the insulation shell (1), wherein the skeleton (19) includes in-seam
Frame (4) and outer skeleton (2), on the inner frame (4) winding be provided with secondary coil winding (5), wound on the outer skeleton (2)
Primary coil winding (3) is provided with, side of the inner frame (4) away from the outer skeleton (2) is equipped with toroidal core (20), institute
The lower part for stating magnetic core (20) is equipped with magnetic core air gap (21), and magnetic core air gap (21) place is provided with Hall element (12), the magnetic
The section part of core (20) is equipped with isolation board (13), and conductive plate (6), the Hall member are equipped with the inside of the isolation board (13)
It is connected between part (12) and the conductive plate (6) by conducting wire (8), the conducting wire (8) is arranged inside conduit, described interior
The end of skeleton (4) is provided with opposite and below the magnetic core air gap (21) the slot (11) with the Hall element (12),
The front of the insulation shell (1) is equipped with connection frame (16).
2. a kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core according to claim 1, its feature
It is, passes through fixing piece phase interlocking between the inner frame (4) and the outer skeleton (2).
3. a kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core according to claim 1, its feature
It is, the Hall element (12) is installed in magnetic core groove (9), both ends and the isolation board (13) phase of the magnetic core groove (9)
Connection.
4. a kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core according to claim 1, its feature
It is, the connection frame (16) includes some connecting holes (17) and link slot (18), and the connecting hole (17) is horizontally placed on institute
State in link slot (18).
5. a kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core according to claim 3, its feature
It is, the magnetic core groove (9) is equipped with lead pin hole (14).
6. a kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core according to claim 1, its feature
It is, the slot (11) is equipped with installation slotted eye (10).
7. a kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core according to claim 1, its feature
It is, the left side of the insulation shell (1) is equipped with and the outer matched spill perforation (15) of skeleton (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376046.9U CN207336619U (en) | 2017-10-24 | 2017-10-24 | A kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376046.9U CN207336619U (en) | 2017-10-24 | 2017-10-24 | A kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336619U true CN207336619U (en) | 2018-05-08 |
Family
ID=62366426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721376046.9U Expired - Fee Related CN207336619U (en) | 2017-10-24 | 2017-10-24 | A kind of pcb formula High Precision Open-loop Hall current sensors without poly- magnetic core |
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|---|---|
| CN (1) | CN207336619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924739A (en) * | 2019-12-05 | 2021-06-08 | 深圳市高科润电子有限公司 | Automatically controlled current sensor integrated structure |
-
2017
- 2017-10-24 CN CN201721376046.9U patent/CN207336619U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924739A (en) * | 2019-12-05 | 2021-06-08 | 深圳市高科润电子有限公司 | Automatically controlled current sensor integrated structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20211024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |