CN208570249U - A kind of inductance device and the circuit system with inductance device - Google Patents

A kind of inductance device and the circuit system with inductance device Download PDF

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Publication number
CN208570249U
CN208570249U CN201820605982.0U CN201820605982U CN208570249U CN 208570249 U CN208570249 U CN 208570249U CN 201820605982 U CN201820605982 U CN 201820605982U CN 208570249 U CN208570249 U CN 208570249U
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China
Prior art keywords
inductance
copper sheet
magnet ring
circuit
electrical connection
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Application number
CN201820605982.0U
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Chinese (zh)
Inventor
周伟刚
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Shenzhen Hongyuan Microelectronics Co Ltd
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Shenzhen Hongyuan Microelectronics Co Ltd
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Priority to CN201820605982.0U priority Critical patent/CN208570249U/en
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Abstract

The utility model relates to technical field of electronic components, and in particular to a kind of inductance device.The inductance device includes a magnet ring and at least one is arranged in the copper sheet of magnet ring through-hole, and the copper sheet both ends are the electrical connection terminal that electrical connection uses.The utility model further relates to a kind of circuit system with inductance device, it further include the inductance device, the copper sheet and circuit board electrical connection of the inductance device including circuit board, slot is additionally provided on the circuit board, the magnet ring of the inductance device is arranged in slot.By wearing an at least copper sheet in the magnet ring through-hole of magnet ring, copper sheet both ends are the electrical connection terminal that electrical connection uses, the area of copper sheet is big, allow through biggish electric current, so that inductance device is generated heat in the application circuit of high power High-current output small, is not easy to damage electronic component because of fever, keeps circuit working properly, security risk is reduced, and cost is relatively low.

Description

A kind of inductance device and the circuit system with inductance device
Technical field
The utility model relates to technical field of electronic components, and in particular to a kind of inductance device and with inductance device Circuit system.
Background technique
Inductor is the element that electric energy can be converted into magnetic energy and stored.The production process of inductor, which is similar to, to be become Depressor, according to the difference of function, inductor is divided into differential mode inductance and common mode inductance, and wherein differential mode inductance contains a winding, altogether Mould inductance is containing there are two windings.Inductor has certain induction reactance, and electric current is different by inductance frequency, and induction reactance is also different, The electric current of corresponding frequencies is hindered to pass through.AC compounent in electric current generates the change that corresponding induction reactance hinders electric current by inductor Change.
The conducting wire of coiling inductance always has certain resistance, and usual resistance very little can be ignored.But some In the application circuit of high power High-current output, when the electric current flowed through in circuit is very big, the resistance of inductance be can not ignore, and inductance disappears Wasted work rate is big, causes coil heating big, is easy to burn out electronic component, influences the normal work of circuit, or brings other safety Hidden danger.In available circuit design, to make circuit obtain higher power, for heating problem, engineer is electric often through changing The electronic circuitry design on road is caused at high cost using high-cost electronic component.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of inductance dress It sets and the circuit system with inductance device, overcomes existing inductance in the application circuit of high power high current, fever is big, holds Easy burn-out electronic component influences circuit normal work, or brings other security risks, and problem at high cost.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of inductance device, including a magnetic Ring and at least copper sheet for being arranged in magnet ring through-hole, the copper sheet both ends are the electrical connection terminal that electrical connection uses.
The still more preferably scheme of the utility model is: the copper sheet includes arc copper sheet.
The still more preferably scheme of the utility model is: the both ends of the arc copper sheet are equipped with protrusion.
The still more preferably scheme of the utility model is: the width of the protrusion is less than the width of arc copper sheet end.
The still more preferably scheme of the utility model is: the protrusion is parallel with the symmetrical centre axis of arc copper sheet.
The still more preferably scheme of the utility model is: the inner wall of the arc copper sheet is equipped with the first groove, the magnetic Ring is arranged in the first groove.
The still more preferably scheme of the utility model is: the inner circumferential of the magnet ring is described at least provided with one second groove Copper sheet passes through magnet ring through-hole and is arranged in the second groove.
The still more preferably scheme of the utility model is: the inductance device includes a piece of or the copper sheet of several superpositions.
A kind of circuit system, including circuit board are also provided, further include the inductance device, the copper sheet of the inductance device With circuit board electrical connection, slot is additionally provided on the circuit board, the magnet ring of the inductance device is arranged in slot.
The beneficial effects of the utility model are, by wearing an at least copper sheet, the copper in the magnet ring through-hole of magnet ring Piece both ends are the electrical connection terminal that uses of electrical connection, are connect with external circuit electrical, and the area of copper sheet is big, allow by compared with Big electric current makes inductance device generate heat in the application circuit of high power high current small, is not easy to damage electronic component because of fever, Keep circuit working properly, reduces security risk, and at low cost;And copper sheet includes arc copper sheet, the both ends of arc copper sheet are set There is protrusion, convenient for inductance device to be installed in external circuit;And inductance device is set on the circuit board of circuit system Magnet ring, which can block, sets slot therein, convenient for the installation of inductance device, improves assembly efficiency and improves the stability of circuit system.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the planar structure schematic diagram of the inductance device of the utility model;
Fig. 2 is the planar structure schematic diagram of the copper sheet of the utility model;
Fig. 3 is the structural schematic diagram that the magnet ring of the utility model is equipped with the inductance device of the second groove;
Fig. 4 is the structural schematic diagram of the circuit system of the utility model.
Specific embodiment
Now in conjunction with attached drawing, elaborate to the preferred embodiment of the utility model.
As shown in Figure 1, the utility model provides a kind of preferred embodiment of inductance device.
The inductance device includes a magnet ring 10 and at least one is arranged in the copper sheet of magnet ring through-hole 11, and the copper sheet both ends are It is electrically connected the electrical connection terminal used.
In the prior art, the inductor using copper wire winding in magnet ring 10, or using copper wire winding in solid magnetic core Inductor, copper wire have certain resistance, cross-sectional area is small, allow by electric current it is small, when the electric current that inductance flows through is very big, Inductance fever is big, is easy to burn out component, and job insecurity is not suitable for high power high current application circuit, and, it manufactures Cumbersome, production efficiency are low.Or in high power high current application circuit, using by two-hole magnet and bending wear with Copper sheet need to be bent by the inductor that the copper sheet of the through-hole of two-hole magnet is constituted when such inductor produces, production trouble, production Low efficiency, it is at high cost.
The inductance device of the utility model in the magnet ring through-hole 11 of magnet ring 10 by wearing an at least copper sheet, copper sheet both ends To be electrically connected the electrical connection terminal that uses, the area of copper sheet is big, allow by electric current it is big, keep inductance device big in high power It generates heat in the application circuit of electric current small, is not easy to damage electronic component because of fever, keeps circuit working properly, reduce security risk, And cost is relatively low.
Further, the copper sheet includes arc copper sheet 20.Certainly, copper sheet may include the C with right angle in other embodiments The copper sheet of shape copper sheet or other shapes.In the manufacturing process of inductance device, arc copper sheet 20 is conveniently arranged in magnet ring through-hole 11, Production is simple, and high production efficiency is at low cost.
In the present embodiment, the both ends of the arc copper sheet 20 are equipped with protrusion 21.The setting of protrusion 21 is convenient for filling inductance The arc copper sheet 20 set is installed in the external circuit board 30.
Specifically, raised 21 width is less than the width of 20 end of arc copper sheet.And described raised 21 and arc The symmetrical centre axis of copper sheet 20 is parallel.The width of protrusion 21 is less than the width of arc copper sheet 20, and, setting protrusion 21 and arc copper The symmetrical centre axis of piece 20 is parallel, is installed on the clamping of arc copper sheet 20 in the external circuit board 30, convenient for holding the angle of assembly, And the arc copper sheet 20 of inductance device is not easy to loosen, and improves circuit stability.
As shown in Figures 1 and 2, the inner wall of the arc copper sheet 20 is equipped with the first groove 22, and the magnet ring 10 is arranged in the In one groove 22, inductance device is installed in external circuit, and the setting of the first groove 22 can prevent magnet ring 10 in arc copper sheet 20 Middle shaking improves the stability of inductance device.
As shown in figure 3, the inner circumferential of the magnet ring 10, at least provided with one second groove 12, the copper sheet passes through magnet ring through-hole 11 And it is arranged in the second groove 12.Since copper sheet has been fixedly installed on the external circuit board 30, copper sheet is arranged in magnet ring inner circumferential The second groove 12 in, magnet ring 10 is also fixed, and is not easy to loosen.It is of course also possible to be the inner circumferential setting insulation in magnet ring 10 Bonding die fixes the inner circumferential of copper sheet and magnet ring 10, to achieve the purpose that magnet ring 10 is fixed.
Further, the inductance device includes a piece of or the copper sheet of several superpositions.The quantity of copper sheet can be according to practical electricity Application in road needs and the size of magnet ring 10 is installed, and the quantity of copper sheet can be a piece of, two panels etc..The cross of the copper sheet of several superpositions Sectional area is big, allow by electric current it is big.
As shown in figure 4, the utility model also provides a kind of preferred embodiment of circuit system.
The circuit system includes circuit board 30, further includes the inductance device, the copper sheet and electricity of the inductance device Road plate 30 is electrically connected, and is additionally provided with slot 31 on the circuit board 30, the magnet ring 10 of the inductance device is arranged in slot 31.It is logical It crosses in the magnet ring through-hole 11 of inductance device and wears an at least copper sheet, copper sheet both ends are the electrical connection terminal that electrical connection uses, The area of copper sheet is big, allow by electric current it is big, so that inductance device is generated heat in the application circuit of high power high current small, be not easy Because fever damages electronic component, keep circuit working properly, reduces security risk, cost is relatively low.
Slot 31 is set on circuit board 30, when inductance device is installed, magnet ring 10 is arranged in slot 31, inductance is facilitated Positioning of the device on circuit board 30, can prevent inductance device double swerve, improve the stability of circuit system.
It should be understood that above embodiments are only to illustrate the technical solution of the utility model, it is rather than its limitations, right For those skilled in the art, it can modify to technical solution illustrated in the above embodiments, or to part of skill Art feature is equivalently replaced;And all such modifications and replacement, it all should belong to the protection of the appended claims for the utility model Range.

Claims (9)

1. a kind of inductance device, it is characterised in that: be arranged in the copper sheet of magnet ring through-hole, the copper sheet including a magnet ring and at least one Both ends are the electrical connection terminal that electrical connection uses.
2. inductance device according to claim 1, it is characterised in that: the copper sheet includes arc copper sheet.
3. inductance device according to claim 2, it is characterised in that: the both ends of the arc copper sheet are equipped with protrusion.
4. inductance device according to claim 3, it is characterised in that: the width of the protrusion is less than arc copper sheet end Width.
5. inductance device according to claim 3 or 4, it is characterised in that: the symmetrical centre of the protrusion and arc copper sheet Axis is parallel.
6. inductance device according to claim 2, it is characterised in that: the inner wall of the arc copper sheet is equipped with the first groove, The magnet ring is arranged in the first groove.
7. inductance device according to claim 2, it is characterised in that: the inner circumferential of the magnet ring is recessed at least provided with one second Slot, the copper sheet pass through magnet ring through-hole and are arranged in the second groove.
8. inductance device according to claim 1, it is characterised in that: the inductance device include a piece of or several superposition Copper sheet.
9. a kind of circuit system, including circuit board, it is characterised in that: the circuit system further includes any institute of claim 1-8 The inductance device stated, the copper sheet and circuit board electrical connection of the inductance device are additionally provided with slot, the inductance on the circuit board The magnet ring of device is arranged in slot.
CN201820605982.0U 2018-04-25 2018-04-25 A kind of inductance device and the circuit system with inductance device Active CN208570249U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820605982.0U CN208570249U (en) 2018-04-25 2018-04-25 A kind of inductance device and the circuit system with inductance device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820605982.0U CN208570249U (en) 2018-04-25 2018-04-25 A kind of inductance device and the circuit system with inductance device

Publications (1)

Publication Number Publication Date
CN208570249U true CN208570249U (en) 2019-03-01

Family

ID=65481487

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820605982.0U Active CN208570249U (en) 2018-04-25 2018-04-25 A kind of inductance device and the circuit system with inductance device

Country Status (1)

Country Link
CN (1) CN208570249U (en)

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