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CN208538643U - A kind of electromagnetic induction device - Google Patents

A kind of electromagnetic induction device Download PDF

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Publication number
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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CN
China
Prior art keywords
magnetic conductive
conductive board
induction coil
magnetic
electromagnetic induction
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Active
Application number
CN201821023342.5U
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Chinese (zh)
Inventor
陈昭晖
杨林
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Hangzhou Oudeland Intelligent Technology Co Ltd
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Hangzhou Oudeland Intelligent Technology Co Ltd
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Priority to CN201821023342.5U priority Critical patent/CN208538643U/en
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Publication of CN208538643U publication Critical patent/CN208538643U/en
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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

A kind of electromagnetic induction device
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.
CN201821023342.5U 2018-06-29 2018-06-29 A kind of electromagnetic induction device Active CN208538643U (en)

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)

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