CN206515385U - A kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly - Google Patents
A kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly Download PDFInfo
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- CN206515385U CN206515385U CN201720181845.4U CN201720181845U CN206515385U CN 206515385 U CN206515385 U CN 206515385U CN 201720181845 U CN201720181845 U CN 201720181845U CN 206515385 U CN206515385 U CN 206515385U
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Abstract
The utility model is related to Hall current sensor magnetic core fixed structure assembly field, more particularly to a kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly, and it includes：Lamination riveting punching is provided with fixing hole or locating slot when being needed on the single magnetic core with air gap, and top layer or outermost levels on single magnetic core are rushed or are welded in non-magnetic sheet metal riveting；Non-magnetic sheet metal is welded in lateral surface or top at magnetic core air gap by single magnetic core of the winding with air gap；During with two same sizes, one, band or the single magnetic core of even number air gap and a fixed mount or skeleton, two single magnetic cores with air gap are arranged on the upper and lower surface of fixed mount or skeleton, even number air gap arranged in dislocation or symmetrical or respectively whole magnetic circuit；The side of fixed mount or skeleton is provided with slot and communicated with the air gap of magnetic core, and change-over panel is inserted in slot, and the Hall element in magnetic core air gap is direct or is connected with change-over panel with printed circuit board.
Description
Technical field
The utility model is related to Hall current sensor magnetic core fixed structure assembly field, more particularly to a kind of core-theaded type is suddenly
That current sensor magnetic core air gap fixed structure assembly.
Background technology
With the development of Power Electronic Technique, various Semiconductor Converting Technologies, exchange numerical control device etc. make rapid progress, at these with electricity
Flow in the automatic control field as measurement and monitored object, particularly in the fields such as electric automobile, track traffic, not only require electricity
Flow sensor uniformity is good, reliability is high, it is necessary to the high-acruracy survey in the range of wider warm area；And it is weary in global recovery
In the case that power, market competition are growing more intense, the requirement of higher price-performance ratio is proposed to current sensor, to adapt to, meeting market
Demand, domestic and international each manufacturer exhausts one's ability, and develops the high performance-price ratio that operation temperature area is wider, performance is higher, price is lower
Current sensor.
Hall current sensor forms industrialization because being widely used its excellent cost performance；Hall current sensor leads to
Often have open loop, two kinds of mode of operations of closed loop, Hall current sensor is a kind of new current sensor, with sensitivity it is high,
It is low in energy consumption, be electrically isolated, cost performance is high, it is easy to use the features such as, be widely used in various Semiconductor Converting Technologies, exchange numerical control device etc. with
Electric current is made in the automatic control field of measurement and monitored object.
The magnetic core with air gap and appropriate amplifier is made by Hall element, soft magnetic materials in open ring type Hall current sensor
Circuit is constituted；Closed-loop type Hall current sensor is made the magnetic core with air gap, Hall element, secondary coil by soft magnetic materials and fitted
When power amplification circuit composition.The Hall current sensor of both operation principles must all use what is be made up of soft magnetic materials
Magnetic core with air gap, the processing technology of its magnetic core, material are respectively：
Open ring type：Material typically uses grain-oriented Si steel sheet, and processing technology has lamination riveting to be washed into 1, band or even, symmetric gas
The magnetic core of gap is wound into the air gap that one or even, symmetric distribution are reprocessed after magnetic core；
Closed-loop type：Material typically uses Po Mo alloys, and processing technology has lamination riveting to be washed into the magnetic core with air gap or be wound into
Air gap is reprocessed after magnetic core.
The magnetic core with air gap is made in this two classes soft magnetic materials, and its profile is generally annular and square.
There is problems with this magnetic structure：
As illustrated in fig. 1 and 2, single magnetic core, single gap structure Hall current sensor due to the remanence ratio of magnetic core it is larger, suddenly
Your current sensor Zero change is big, has a strong impact on the measurement accuracy of Hall current sensor.In order to reduce remanent magnetism influence, use
Magnetic core is made in the iron-nickel alloy material of low remanent magnetism, will greatly add the manufacturing cost of Hall current sensor.
As shown in Figures 3 and 4, the structure Hall current sensor of single magnetic core, multiple air gaps, magnetic core, which is installed, to be fixed very not
Easily, it is necessary to first position magnetic core paragraph by paragraph in a plastic housing, it is placed on one by one with the unit of plastic consistent with width of air gap in air gap
And fixed with casting glue, but embedding adhesive curing needs the time, it is impossible to width of air gap uniformity is ensured, by influence sensor batch
The uniformity of production efficiency and parameter during production.
The Hall current sensor of single magnetic core, single or multiple gap structures, its magnetic core profile is generally annular and side
Shape, in multiple air gaps, be placed on one by one with the unit of plastic consistent with width of air gap in air gap ensure width of air gap uniformity,
Stability, but under the conditions of wide temperature range, can not accomplish that magnetic core often locates deformation, stress etc. all one during due to machining
Cause, with temperature change, unit of plastic can not possibly be consistent with the thermal coefficient of expansion of soft magnetic materials, causes the thermal expansion system of width of air gap
Number is not constant constant, so that the output amplitude of Hall current sensor changes with nonlinear temperature, it is impossible to carry out
Linear compensation, so as to cause the temperature stability of Hall current sensor poor, has a strong impact on the measurement essence of Hall current sensor
Degree.
The single or multiple gap structure Hall current sensors of single magnetic core, its magnetic core is not closed due to magnetic circuit, with magnetic core
The increase of width of air gap or number, the Effective permeability of magnetic core declines rapidly, Hall current sensor measure alternating current when,
It is primary and secondary to be unable to close coupling, primary current carrying conductors in the feedthrough hole of Hall current sensor during diverse location, sensor it is defeated
Go out amplitude, waveform etc. to change a lot, have a strong impact on the bandwidth of operation and measurement accuracy of Hall current sensor.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of core-theaded type Hall current sensor magnetic core air gap and consolidated
Determine construction package so that the operating temperature range of Hall current sensor is wider, measurement range is big, measure more accurate, simultaneously
Reduce the cost of batch production Hall current sensor.
In order to solve the above technical problems, a kind of core-theaded type Hall current sensor of the present utility model is fixed with magnetic core air gap
Construction package, including single magnetic core air gap fixed structure assembly and bimag air gap fixed structure assembly,
Single magnetic core air gap fixed structure assembly includes a single magnetic core and worked as to need to fix the fixed mount of single magnetic core or skeleton,
Single magnetic core includes one or even number air gap；
Single magnetic core includes the single magnetic core of lamination riveting single magnetic core of the punching with air gap and winding with air gap；
Lamination riveting punching is provided with fixing hole or locating slot when needing on the single magnetic core with air gap, non-magnetic sheet metal riveting punching or
Top layer or outermost levels on magnetic core are welded in, when fixed, are welded on a printed circuit board through fixing hole by fixed pin；
When more than 2 times that the height of single magnetic core of the winding with air gap is Hall element setting height(from bottom), non-magnetic sheet metal weldering
It is connected on the lateral surface of magnetic core air gap；
Within the height of single magnetic core of the winding with air gap is 1.5 times of Hall element setting height(from bottom), non-magnetic sheet metal
It is welded on the top of magnetic core air gap；
When single magnetic core includes the air gap that even, symmetric is distributed, 1 Hall element, even number are provided with each air gap
The input of Hall element, output end are in parallel respectively；
When single magnetic core air gap fixed structure assembly needs fixed mount or skeleton, it is provided with described fixed mount or skeleton
Fixing hole and Hall element slot, fixed draw pin pass through the fixing hole and printing electricity of the fixing hole of single magnetic core, fixed mount or skeleton
Welding hole connection on the plate of road；
Bimag air gap fixed structure assembly fixes two single magnetic cores including two with the single magnetic core of size and one
Fixed mount or skeleton, the air gap arranged in dislocation of two single magnetic cores or symmetrical or respectively whole magnetic circuit, two single magnetic cores peaces
Mounted in bimag air gap fixed structure assembly fixed mount or the upper and lower surface of skeleton, the fixation of bimag air gap fixed structure assembly
The side of frame or skeleton is provided with slot, slot and the air gap phase installed in single magnetic core on bimag air gap fixed structure assembly
It is logical, be inserted with slot in change-over panel, each air gap of single magnetic core and be provided with a Hall element, Hall element directly or by
Change-over panel is connected with printed circuit board.
As prioritization scheme of the present utility model, non-magnetic sheet metal is stainless steel substrates.
As prioritization scheme of the present utility model, the shape of single magnetic core is circular or square or abnormity.
As prioritization scheme of the present utility model, single magnetic core air gap fixed structure assembly and bimag air gap fixed structure group
The fixed mount or frame configuration of part are circular or square or abnormity.
The utility model has positive effect：1) the utility model by non-magnetic sheet metal riveting by rushing or being welded in band gas
The upper top layer or outermost levels of the single magnetic core of gap, it is necessary to fixed pin is welded on a printed circuit board through fixing hole during fixed pin,
Non-magnetic sheet metal is welded in side or top at magnetic core air gap, this belt transect one or even number by single magnetic core of the winding with air gap
The single magnetic core of air gap is fixed into an entirety by stainless steel substrates, simultaneously as stainless steel substrates and single magnetic core material composi
Substantially close to, the coefficient of expansion substantially close to, therefore, the width of air gap and thermal coefficient of expansion uniformity of single magnetic core will be protected,
The sensitivity to Hall element has carried out linear temperature compensation in circuit, greatly improves the temperature of Hall current sensor
Stability；
2) when the air gap that the single magnetic core with air gap has even, symmetric to be distributed, there is 1 Hall element in each air gap, it is even
Several Hall element inputs, output end are in parallel respectively, when single magnetic core air gap fixed structure assembly needs fixed mount or skeleton, Gu
Determine to be provided with fixing hole on frame or skeleton, fixed draw pin through lamination riveting rush the single magnetic core with air gap fixing hole and fixed mount or
The fixing hole of skeleton is connected with printed circuit board, and the position for so not only considerably reducing core-theaded type Hall current sensor is missed
Difference, also greatly simplifies the temperature-compensation circuit and installation procedure of Hall element, had both improved core-theaded type Hall current sensor
Measurement accuracy and production efficiency, reduce cost again, while according in parallel theoretical, the input of even number Hall element, output end point
Not in parallel, then the noise amplitude of Hall element, offset voltage temperature drift etc. are all reducedAgain (n=1,2...), core-theaded type is made
The performances such as lowest resolution, the offset voltage temperature drift of Hall current sensor are improved.
3) bimag air gap fixed structure assembly of the present utility model, with two same sizes, one, band or even number air gap
Single magnetic core the uniformity of the position for ensuring air gap, width and Hall element setting height(from bottom) is installed above and below skeleton or fixed mount,
Improve uniformity, the reliability of core-theaded type Hall current sensor, at the same even number air gap arranged in dislocation or it is symmetrical or
Respectively whole magnetic circuit, input, the output end parallel connection respectively even number Hall element, had both eliminated the remanent magnetism of magnetic core in theory
Influence to the measurement accuracy of current sensor, eliminates the original reason error of core-theaded type Hall current sensor, i.e. position again
Error, greatly increases the current measurement precision of core-theaded type Hall current sensor；Printed circuit board and skeleton or fixed mount
Between be provided with the hole position of interconnection, the uniformity and production efficiency of product are greatly improved, while also improving production
The reliability of product.
4) pacified with the single magnetic core of two same sizes, one described, band or even number air gap above and below skeleton or fixed mount
Dress, even number air gap arranged in dislocation or symmetrical or respectively whole magnetic circuit；Magnetic circuit is not for the single magnetic core with air gap
Closure, but for the magnetic circuit that bimag is constituted, magnetic circuit is closure, and only now bimag constitutes the magnetic conductance of magnetic circuit
Rate is the Effective permeability with air gap single magnetic core, the magnetic circuit being so made up of bimag so that closed-loop type core-theaded type Hall current is passed
Sensor is equivalent to turn into the transformer of a closed magnetic circuit when measuring high-frequency ac current, and primary and secondary energy close coupling, primary is carried
Current conductor is in the feedthrough hole of core-theaded type Hall current sensor during diverse location, the output amplitude of Hall current sensor, ripple
Shape etc. has almost no change, and substantially increases the bandwidth of operation and measurement accuracy of core-theaded type closed-loop type Hall current sensor.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the single magnetic core structural representation of open ring type list air gap；
Fig. 2 is the single magnetic core structural representation that closed-loop type winds single air gap；
Fig. 3 is the single magnetic core structure top view of open ring type double air gaps；
Fig. 4 is the single magnetic core structure right view of the open ring type double air gaps comprising unit of plastic；
Fig. 5 is the single magnetic core gap structure top view that the riveting of open ring type square laminated plates is rushed；
Fig. 6 is the single magnetic core gap structure right view that the riveting of open ring type square laminated plates is rushed；
The single magnetic core gap structure top view that Fig. 7 rushes for the open ring type square laminated plates riveting comprising non-magnetic sheet metal；
The single magnetic core gap structure right view that Fig. 8 rushes for the open ring type square laminated plates riveting comprising non-magnetic sheet metal；
The single magnetic core air gap fixed structure schematic diagram that Fig. 9 rushes for the closed-loop type circular laminations riveting comprising non-magnetic sheet metal；
The single magnetic core air gap fixed structure schematic diagram that Figure 10 rushes for the closed-loop type square laminated plates riveting comprising non-magnetic sheet metal；
Figure 11 winds the single magnetic core air gap fixed structure top view of single air gap for the open ring type comprising non-magnetic sheet metal；
Figure 12 winds the single magnetic core air gap fixed structure rearview of single air gap for the open ring type comprising non-magnetic sheet metal；
Figure 13 is the front view for the single magnetic core air gap side that non-magnetic sheet metal is wound in closed-loop type；
Figure 14 is the left view for the single magnetic core air gap side that non-magnetic sheet metal is wound in closed-loop type；
Figure 15 is top view of the non-magnetic sheet metal at the top of the single magnetic core air gap that closed-loop type is wound；
Figure 16 is left view of the non-magnetic sheet metal at the top of the single magnetic core air gap that closed-loop type is wound；
Figure 17 is the positive output temperature curve map of core-theaded type Hall current sensor that open ring type winds single air gap single magnetic core；
Figure 18 is the core-theaded type Hall current sensor negative sense output temperature curve map that open ring type winds single air gap single magnetic core；
Figure 19 is the core-theaded type Hall current sensor installation diagram that closed-loop type winds bimag；
Figure 20 is the core-theaded type Hall current sensor A points of unused closed-loop type winding single magnetic core of the present utility model
Di/dt response diagrams；
Figure 21 is the core-theaded type Hall current sensor B points of unused closed-loop type winding single magnetic core of the present utility model
Di/dt response diagrams；
Figure 22 is the core-theaded type Hall current sensor C points of unused closed-loop type winding single magnetic core of the present utility model
Di/dt response diagrams；
Figure 23 is the core-theaded type Hall current sensor D points of unused closed-loop type winding single magnetic core of the present utility model
Di/dt response diagrams；
Figure 24 is the di/ for the core-theaded type Hall current sensor A points that bimag is wound using closed-loop type of the present utility model
Dt response diagrams；
Figure 25 is to wind the core-theaded type Hall current sensor of bimag air gap in B points using closed-loop type of the present utility model
Di/dt response diagrams；
Figure 26 is to wind the core-theaded type Hall current sensor of bimag air gap in C points using closed-loop type of the present utility model
Di/dt response diagrams；
Figure 27 is to wind the core-theaded type Hall current sensor of bimag air gap in D points using closed-loop type of the present utility model
Di/dt response diagrams.
Embodiment
As is shown in figures 5-12, the utility model discloses a kind of core-theaded type Hall current sensor magnetic core air gap fixed knot
Structure component, including single magnetic core air gap fixed structure assembly and bimag air gap fixed structure assembly,
Single magnetic core air gap fixed structure assembly includes a single magnetic core and worked as to need to fix the fixed mount of single magnetic core or skeleton,
Single magnetic core includes one or even number air gap；
Single magnetic core includes the single magnetic core of lamination riveting single magnetic core of the punching with air gap and winding with air gap；
Shown in Fig. 5-10, lamination riveting punching is provided with fixing hole or locating slot when being needed on the single magnetic core with air gap, non-magnetic
Top layer or outermost levels on magnetic core are rushed or are welded in sheet metal riveting, when fixed, and printing electricity is welded in through fixing hole by fixed pin
On the plate of road；
As illustrated in figs. 11-14, when more than 2 times that the height of single magnetic core of the winding with air gap is Hall element setting height(from bottom),
Non-magnetic sheet metal is welded on the lateral surface of magnetic core air gap；
As shown in figures 15-16, when single magnetic core of the winding with air gap height for 1.5 times of Hall element setting height(from bottom) with
Interior, non-magnetic sheet metal is welded on the top of magnetic core air gap；
When single magnetic core includes the air gap that even, symmetric is distributed, 1 Hall element, even number are provided with each air gap
The input of Hall element, output end are in parallel respectively；
As shown in figs. 9-10, when single magnetic core air gap fixed structure assembly needs fixed mount or skeleton, fixed mount or skeleton
On be provided with fixing hole and Hall element slot, fixed draw pin passes through the fixing hole of the fixing hole of single magnetic core, fixed mount or skeleton
It is connected with the welding hole on printed circuit board；
Bimag air gap fixed structure assembly fixes two single magnetic cores including two with the single magnetic core of size and one
Fixed mount or skeleton, the even number air gap arranged in dislocation of two single magnetic cores or symmetrical or respectively whole magnetic circuit, two lists
Magnetic core is arranged on the upper and lower surface of bimag air gap fixed structure assembly fixed mount or skeleton, bimag air gap fixed structure assembly
Fixed mount or the side of skeleton be provided with slot, slot and the gas installed in single magnetic core on bimag air gap fixed structure assembly
Gap is communicated, and is inserted with slot in change-over panel, the air gap of single magnetic core and is provided with Hall element, Hall element is directly or by conversion
Plate is connected with printed circuit board.
Non-magnetic sheet metal is stainless steel substrates, and stainless steel substrates are mainly to use non-magnetic using iron, chromium, nickel as main component
Stainless steel material.
The shape of single magnetic core is circular or square or abnormity.
The fixed mount or frame configuration of single magnetic core air gap fixed structure assembly and bimag air gap fixed structure assembly be
Circular or square or abnormity.
As depicted in figs. 11-12, in order to save cost, stock utilization is improved, using 10mm strip width 23ZH85 type silicon
The single magnetic core of the single air gap of steel disc coiling process squarely open ring type winding；For rated current for 100A open ring type core-theaded type suddenly
That current sensor, processes the air gap that a width is 2mm, by the 304 of 0.3mm or 316 on the center line on the long side of single magnetic core
Stainless steel substrates laser or be welded in the outside of single magnetic core air gap.
100A open ring types winding single magnetic core list air gap core-theaded type Hall current sensor output temperature curve such as Figure 17 with
Shown in 18, under conditions of same circuit parameter, contrast same size magnetic core and fixed in air gap and not under rigid condition, open ring type
The temperature coefficient explanation of core-theaded type Hall current sensor output amplitude, as shown in Table 1 and Table 2,
The 100A of table 1 forward direction amplitude temperature values
| Temperature | Stainless steel substrates are installed | Stainless steel substrates are not installed | Benchmark |
| -40 | 3.981 | 4.014 | 4.000 |
| -20 | 3.991 | 4.014 | 4.000 |
| 25 | 4.000 | 4.000 | 4.000 |
| 45 | 4.017 | 3.967 | 4.000 |
| 65 | 4.021 | 3.932 | 4.000 |
| 85 | 4.020 | 3.924 | 4.000 |
| 105 | 4.020 | 3.920 | 4.000 |
The reverse amplitude temperature values of the 100A of table 2
| Temperature | Stainless steel substrates are installed | Stainless steel substrates are not installed | Benchmark |
| -40 | -3.982 | -4.014 | -4.000 |
| -20 | -3.990 | -4.016 | -4.000 |
| 25 | -4.000 | -4.000 | -4.000 |
| 45 | -4.017 | -3.967 | -4.000 |
| 65 | -4.019 | -3.930 | -4.000 |
| 85 | -4.018 | -3.923 | -4.000 |
| 105 | -4.018 | -3.923 | -4.000 |
As can be seen from Table 1 and Table 2, use the utility model technology that open ring type core-theaded type Hall current sensor is existed
Measurement accuracy in whole warm area brings up to 0.5%FS from 2.5%FS, and the temperature drift of output amplitude is reduced to from 1.5mV/ DEG C
Within 0.5mV/ DEG C, operation temperature area expands to -40~105 DEG C from -10-80 DEG C, greatly increases open ring type core-theaded type Hall
The current measurement precision of current sensor, has expanded the application field of open ring type core-theaded type Hall current sensor.
As shown in figures 15-16, including two same sizes, the single air gap single magnetic cores and an annular skeleton of annular,
Single air gap single magnetic core of two annulars is arranged on the upper and lower surface of skeleton, and air gap rotates 180 ° of installations；In two air gaps
A Hall element is provided with, the input of two Hall elements, output end are in parallel respectively；For the closed loop that rated current is 300A
Type core-theaded type Hall current sensor, the punching aperture of shell is 25mm, secondary coil with a diameter of 0.25mm enamel-covered wire around
2000 circles；To save cost, the utilization rate of soft magnetic materials, magnetic core strip width 3.6mm, 1J85 volumes of thickness 0.1mm are improved
Around into after the 1.2mm air gaps of processed round center line, by 0.3mm non-magnetic stainless steel substrates 304 or 316 laser or electricity
Point is welded at the top of single magnetic core air gap.
Under conditions of same circuit parameter, contrast is in unused single magnetic core construction package of the present utility model and uses this
The di/dt response diagrams of the bimag air gap fixed structure assembly of utility model, the closed-loop type for a diameter of 25mm of feedthrough hole is worn
Core type Hall current sensor, such as Figure 19, are responded with a diameter of 5mm current－carrying conductor in the di/dt of 4 diverse locations of feedthrough hole
Figure explanation, as shown in Figure 20-27, wherein, abscissa is the time, and unit is microsecond, and ordinate is voltage, and unit is volt, every width
Figure includes input and curve of output, by observing the registration of input and curve of output, from Figure 24-27 as can be seen that using this
The closed-loop type of utility model winds the core-theaded type Hall current sensor of bimag air gap, and its AC measurment precision is significantly carried
Height, site error is greatly reduced, simultaneously as directly being welded at magnetic core air gap using stainless steel substrates, cost is not high；Use bone
Frame is installed to magnetic core and fixed, simple and convenient, is increased substantially production efficiency, is also reduced cost.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done etc. all should be wrapped
It is contained within protection domain of the present utility model.
Claims (4)
1. a kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly, it is characterised in that including single magnetic core gas
Gap fixed structure assembly and bimag air gap fixed structure assembly,
Described single magnetic core air gap fixed structure assembly includes a single magnetic core and worked as to need to fix the fixed mount of single magnetic core or bone
Frame, described single magnetic core includes one or even number air gap；
Single magnetic core includes the single magnetic core of lamination riveting single magnetic core of the punching with air gap and winding with air gap；
Lamination riveting punching is provided with fixing hole or locating slot when being needed on the single magnetic core with air gap, and non-magnetic sheet metal riveting is rushed or is welded in
Top layer or outermost levels on magnetic core, when fixed, are welded on a printed circuit board by fixed pin through fixing hole；
When more than 2 times that the height of single magnetic core of the winding with air gap is Hall element setting height(from bottom), non-magnetic sheet metal is welded on
The lateral surface of magnetic core air gap；
Within the height of single magnetic core of the winding with air gap is 1.5 times of Hall element setting height(from bottom), non-magnetic sheet metal welding
At the top of magnetic core air gap；
When single magnetic core includes the air gap that even, symmetric is distributed, 1 Hall element, even number Hall are provided with each air gap
The input of element, output end are in parallel respectively；
When single magnetic core air gap fixed structure assembly needs fixed mount or skeleton, fixation is provided with described fixed mount or skeleton
Hole and Hall element slot, fixed draw pin pass through the fixing hole and printed circuit board of the fixing hole of single magnetic core, fixed mount or skeleton
On welding hole connection；
Described bimag air gap fixed structure assembly includes two and fixes two single magnetic with the single magnetic core of size and one
The fixed mount or skeleton of core, the air gap arranged in dislocation of two single magnetic cores or symmetrical or respectively whole magnetic circuit, two single magnetic cores
Installed in bimag air gap fixed structure assembly fixed mount or the upper and lower surface of skeleton, bimag air gap fixed structure assembly is consolidated
The side for determining frame or skeleton is provided with slot, slot and the air gap phase installed in single magnetic core on bimag air gap fixed structure assembly
It is logical, be inserted with slot in change-over panel, each air gap of single magnetic core and be provided with a Hall element, Hall element directly or by
Change-over panel is connected with printed circuit board.
2. a kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly according to claim 1, it is special
Levy and be, non-magnetic sheet metal is stainless steel substrates.
3. a kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly according to claim 2, it is special
Levy and be, the shape of the single magnetic core is circular or square or abnormity.
4. a kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly according to claim 2, it is special
Levy and be, the fixed mount or frame configuration of single magnetic core air gap fixed structure assembly and bimag air gap fixed structure assembly are circle
Shape or square or abnormity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720181845.4U CN206515385U (en) | 2017-02-28 | 2017-02-28 | A kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720181845.4U CN206515385U (en) | 2017-02-28 | 2017-02-28 | A kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly |
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| Publication Number | Publication Date |
|---|---|
| CN206515385U true CN206515385U (en) | 2017-09-22 |
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ID=59868122
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720181845.4U Withdrawn - After Issue CN206515385U (en) | 2017-02-28 | 2017-02-28 | A kind of core-theaded type Hall current sensor magnetic core air gap fixed structure assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706990A (en) * | 2017-02-28 | 2017-05-24 | 南京普肯传感科技有限公司 | Magnetic core air gap fixing structure assembly for core passing type Hall current sensor |
| CN110297109A (en) * | 2019-07-16 | 2019-10-01 | 苏州奥金斯电子有限公司 | A kind of test fixture core needle plate |
-
2017
- 2017-02-28 CN CN201720181845.4U patent/CN206515385U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706990A (en) * | 2017-02-28 | 2017-05-24 | 南京普肯传感科技有限公司 | Magnetic core air gap fixing structure assembly for core passing type Hall current sensor |
| CN106706990B (en) * | 2017-02-28 | 2023-07-25 | 南京普肯传感科技有限公司 | Magnetic core air gap fixing structure assembly for through-core type Hall current sensor |
| CN110297109A (en) * | 2019-07-16 | 2019-10-01 | 苏州奥金斯电子有限公司 | A kind of test fixture core needle plate |
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