CN208538643U - A kind of electromagnetic induction device - Google Patents
A kind of electromagnetic induction device Download PDFInfo
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- CN208538643U CN208538643U CN201821023342.5U CN201821023342U CN208538643U CN 208538643 U CN208538643 U CN 208538643U CN 201821023342 U CN201821023342 U CN 201821023342U CN 208538643 U CN208538643 U CN 208538643U
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- magnetic conductive
- conductive board
- induction coil
- magnetic
- electromagnetic induction
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- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 23
- 230000006698 induction Effects 0.000 claims abstract description 58
- 238000005259 measurement Methods 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Measuring Magnetic Variables (AREA)
Abstract
The utility model relates to technical field of electric equipment, disclose a kind of electromagnetic induction device.Electromagnetic induction device provided by the utility model includes pedestal;First magnetic conductive board and the second magnetic conductive board, the first magnetic conductive board and the second magnetic conductive board are opposite to be set on pedestal, forms air-gap between the first magnetic conductive board and the second magnetic conductive board;First induction coil and the second induction coil, the first induction coil and the second induction coil are opposite to be set in air-gap;Measurement portion, the first magnetic conductive board and the second magnetic conductive board and the first induction coil and the second induction coil are enclosed measurement portion.Pass through the utility model, the electric current to continuous large span electric current such as 1~100A may be implemented, the inductive output of near linear type is carried out, different primary current sections will be approximately uniform curvature output, so the primary electrical parameter values of primary side can accurately, really be reacted.
Description
Technical field
The utility model relates to technical field of electric equipment, more particularly to a kind of electromagnetic induction device.
Background technique
Currently, well known major electromagnetic sensing device is mutual inductor product, mutual inductor is due to the volume that is subject to and structure
Limitation, magnetization are that curve is presented, and are easily saturated simultaneously.Current mutual inductor does not have same mutual inductor generally to even
Electric current in continuous large span electric current such as 1~100A, carries out linear inductive output, and different primary current sections can be
Different curvature output, so cannot accurately, really react the primary electricity ginseng of primary side from the secondary parameter sensed of mutual inductor
Numerical value.In this way, mutual inductor cannot be applied to the occasion of accurate metering and control well.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of electromagnetic induction device, first
Induction coil and the second induction coil realize electromagnetic induction using the magnetic field between air-gap, be not in lead it is magnetically saturated existing
As linear inductive output can be carried out to continuous large span electric current.
The purpose of this utility model adopts the following technical scheme that realization: a kind of electromagnetic induction device, comprising: pedestal;First
Magnetic conductive board and the second magnetic conductive board, first magnetic conductive board and the second magnetic conductive board are opposite to be set on the pedestal, first magnetic conduction
Air-gap is formed between plate and the second magnetic conductive board;First induction coil and the second induction coil, first induction coil and institute
The second induction coil is stated to be set in the air-gap relatively;Measurement portion, first magnetic conductive board and the second magnetic conductive board and described the
One induction coil and the second induction coil are enclosed the measurement portion.
Further, first magnetic conductive board and the second magnetic conductive board form magnetic-conductance portion to outside protrusion respectively.
It further, further include insulation locating rack, first induction coil passes through the insulation locating rack and institute respectively
State the first magnetic conductive board and the connection of the second magnetic conductive board;Second induction coil passes through the insulation locating rack and described first respectively
Magnetic conductive board and the connection of the second magnetic conductive board.
Further, first magnetic conductive board and the second magnetic conductive board are connected to the pedestal by the insulation locating rack
On.
Further, bridging is being equipped with the top of first induction coil and the second induction coil corresponding position
The fixed plate of first magnetic conductive board and the second magnetic conductive board.
Further, measurement corresponding with the measurement portion is equipped on the pedestal to be open.
Compared with prior art, the utility model has the beneficial effects that: may be implemented by the use of the new type to continuous
For large span electric current than carrying out closest to linear inductive output, different primary current sections will be that approximately uniform curvature is defeated
Out, so the primary electrical parameter values of primary side can accurately, really be reacted.Precision can be applied to using the use of the new type well
Metering and control occasion, the effective electromagnetic parameter for realizing accurate acquisition route major loop.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the operation schematic diagram of the utility model.
In figure: 1, pedestal;2, the first magnetic conductive board;3, the second magnetic conductive board;4, the first induction coil;5, the second induction coil;
6, air-gap;7, measurement portion;8, magnetic-conductance portion;9, insulate locating rack;10, stitch is welded;11, electrical conductor;12, fixed plate.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in Figure 1 and Figure 2, a kind of electromagnetic induction device, comprising: pedestal 1;First magnetic conductive board 2 and the second magnetic conductive board 3, the
One magnetic conductive board 2 and the second magnetic conductive board 3 are opposite on pedestal 1, form air-gap between the first magnetic conductive board 2 and the second magnetic conductive board 3
6;First induction coil 4 and the second induction coil 5, the first induction coil 4 and the second induction coil 5 are opposite in air-gap 6;
Measurement portion 7, the first magnetic conductive board 2 and the second magnetic conductive board 3 and the first induction coil 4 and the second induction coil 5 are enclosed measurement portion
7。
First magnetic conductive board 2 and the second magnetic conductive board 3 form magnetic-conductance portion 8 to outside protrusion respectively.It further include insulation locating rack 9,
First induction coil 4 is connect by the locating rack 9 that insulate with the first magnetic conductive board 2 and the second magnetic conductive board 3 respectively;Second induction coil 5
It is connect respectively by the locating rack 9 that insulate with the first magnetic conductive board 2 and the second magnetic conductive board 3.First magnetic conductive board 2 and the second magnetic conductive board 3 are logical
Insulation locating rack 9 is crossed to be connected on pedestal 1.It is equipped on the top with 5 corresponding position of the first induction coil 4 and the second induction coil
Bridge the fixed plate 12 of the first magnetic conductive board 2 and the second magnetic conductive board 3;Fixed plate 12 is set, the first magnetic conductive board 2 and the second magnetic conductive board are made
The distance between 3 remain unchanged, and total is more stable.Air-gap between first magnetic conductive board 2 and the second magnetic conductive board 3 simultaneously
6 is more stable.Measurement corresponding with measurement portion 7 is equipped on pedestal 1 to be open.
Electrical conductor 11 is passed through into the first magnetic conductive board 2 and the second magnetic conductive board made of the permeability magnetic material of the low remanent magnetism of high magnetic conduction
3, the first magnetic conductive board 2 and the second magnetic conductive board 3 constitute circular measurement portion 7, the correspondence of the first magnetic conductive board 2 and the second magnetic conductive board 3
Both ends, it is corresponding that first induction coil 4 and the second induction coil 5 are installed, and in the first induction coil 4 and second line of induction
Isolation appropriate is done to permeability magnetic material inside circle 5, forms magnetic induction air gap.Working principle is: when there are alternations for electrical conductor 11
Electric current I0When, corresponding alternating magnetic field is just generated around electrical conductor 11, the first magnetic conductive board 2 being in alternating magnetic field and
Two magnetic conductive boards 3 just have corresponding magnetic induction line respectively and pass through, and the first magnetic conductive board 2 and the second magnetic conductive board 3 magnetize, at both ends point
It Xing Cheng not N1-S1 magnetic pole and N2-S2 magnetic pole.Since the first magnetic conductive board 2 and the second magnetic conductive board 3 are symmetrically to be distributed in electrical conductor
11 two sides, so the pole N1 that the first magnetic conductive board 2 generates corresponds to the pole S2 of the second magnetic conductive board 3 generation, while the first magnetic conductive board 2
The pole S1 of generation corresponds to the pole N2 of the second magnetic conductive board 3 generation.Because being to exist between the first magnetic conductive board 2 and the second magnetic conductive board 3
Air-gap 6, and the first induction coil 4 and the second induction coil 5 are respectively placed in air-gap 6, so 4 He of the first induction coil
Second induction coil 5 will generate electromagnetic induction electromotive force respectively, and the first induction coil 4 and the second induction coil 5 are generated
Induced electromotive force carries out different technologies and utilizes and handle, and can acquire, calculate the electrical parameter of electrical conductor.Due to this use
In novel structure design: will especially form air gap between the first magnetic conductive board 2 and the second magnetic conductive board 3, and by the first induction coil 4
And second induction coil 5 realize electromagnetic induction using the magnetic field between air-gap 6, so being not easy the magnetic conduction for permeability magnetic material occur
Saturation, ensures that the linear type mathematical relationship of magnetic induction, reaches the accuracy and authenticity of acquisition data.The utility model
The electromagnetic induction of offer is realized to the large span electric current in circuit-line, such as 1~100A, carries out magnetic by non-contacting mode
Incude and carry out closest to linear inductive output magnetic signal, then by carrying out electricity to the magnetic physical quantity in obtained magnetic signal
The electromagnetic induction device of magnetic conversion and mathematics and physical computing and the primary electrical parameter values of accurate, true reaction primary side.The dress
The characteristics of setting is that strong power part and weak current part strictly disjoint mode and obtain, and it is convenient to bring to measurement and acquisition, thus for number
Route control is that the reliable realization creation of weakness control, management electric control circuit, that is, heavy-current control etc. is convenient.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. a kind of electromagnetic induction device characterized by comprising
Pedestal;
First magnetic conductive board and the second magnetic conductive board, first magnetic conductive board and the second magnetic conductive board are opposite to be set on the pedestal, described
Air-gap is formed between first magnetic conductive board and the second magnetic conductive board;
First induction coil and the second induction coil, first induction coil and second induction coil are set to described relatively
In air-gap;
Measurement portion, first magnetic conductive board and the second magnetic conductive board are enclosed with first induction coil and the second induction coil
The measurement portion.
2. electromagnetic induction device as described in claim 1, which is characterized in that first magnetic conductive board and the second magnetic conductive board difference
Magnetic-conductance portion is formed to outside protrusion.
3. electromagnetic induction device as claimed in claim 1 or 2, which is characterized in that it further include insulation locating rack, first sense
It answers coil to pass through the insulation locating rack respectively to connect with first magnetic conductive board and the second magnetic conductive board;Second induction coil
It is connect respectively by the insulation locating rack with first magnetic conductive board and the second magnetic conductive board.
4. electromagnetic induction device as claimed in claim 3, which is characterized in that first magnetic conductive board and the second magnetic conductive board pass through
The insulation locating rack is connected on the pedestal.
5. electromagnetic induction device as claimed in claim 1 or 2, which is characterized in that with first induction coil and described
The top of second induction coil corresponding position is equipped with the fixed plate for bridging first magnetic conductive board and the second magnetic conductive board.
6. electromagnetic induction device as claimed in claim 3, which is characterized in that with first induction coil and described second
The top of induction coil corresponding position is equipped with the fixed plate for bridging first magnetic conductive board and the second magnetic conductive board.
7. electromagnetic induction device as claimed in claim 4, which is characterized in that with first induction coil and described second
The top of induction coil corresponding position is equipped with the fixed plate for bridging first magnetic conductive board and the second magnetic conductive board.
8. electromagnetic induction device as claimed in claim 5, which is characterized in that be equipped with and the measurement portion pair on the pedestal
The measurement opening answered.
9. electromagnetic induction device as claimed in claim 6, which is characterized in that be equipped with and the measurement portion pair on the pedestal
The measurement opening answered.
10. electromagnetic induction device as claimed in claim 7, which is characterized in that be equipped with and the measurement portion on the pedestal
Corresponding measurement opening.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821023342.5U CN208538643U (en) | 2018-06-29 | 2018-06-29 | A kind of electromagnetic induction device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821023342.5U CN208538643U (en) | 2018-06-29 | 2018-06-29 | A kind of electromagnetic induction device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208538643U true CN208538643U (en) | 2019-02-22 |
Family
ID=65381019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821023342.5U Active CN208538643U (en) | 2018-06-29 | 2018-06-29 | A kind of electromagnetic induction device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208538643U (en) |
-
2018
- 2018-06-29 CN CN201821023342.5U patent/CN208538643U/en active Active
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