CN206963120U - Coil panel and induction cooker - Google Patents

Abstract

The utility model provides a coil panel and electromagnetism stove, this coil panel include support (10), set up a plurality of magnetic stripes (20) in support (10) and coil (30) that the dish was established on a plurality of magnetic stripes (20), and coil (30) inboard still is equipped with a plurality of inner circle magnetic stripe (40), and a plurality of inner circle magnetic stripe (40) are with the centre of a circle central symmetry of coil (30), the center of at least one inner circle magnetic stripe (40) with line between the centre of a circle of coil (30) with the medial surface skew of inner circle magnetic stripe (40). The coil panel and the induction cooker can enlarge the coverage area of the inner ring magnetic stripe (40), reduce the magnetic field leakage and improve the magnetic conduction effect and the heating efficiency.

Description

Coil panel and electromagnetic oven

Technical field

It the utility model is related to an electro-technical field, more particularly to a kind of coil panel and electromagnetic oven.

Background technology

Nowadays electromagnetic oven product has been commonly used in daily life because easy to use.Electromagnetic oven mainly wraps Include the parts such as housing, blower fan, coil panel and circuit board.The operation principle of electromagnetic oven be high frequency electric by coil panel, make it Produce the magnetic field of high-frequency alternating.When the magnetic field of alternation wears pan, it can be produced in pan bottom and largely be vortexed and make pan fast Speed heating, so as to reach the purpose of food in heating kettle.Coil panel is mainly made up of parts such as coil, support and magnetic stripes.

Fig. 1 is the structural representation of coil panel in the prior art.As shown in figure 1, current coil panel includes support, in putting Penetrate the magnetic stripe that shape is distributed on support and the coil 2 being covered on magnetic stripe.Wherein magnetic stripe also includes being distributed in the interior of the inner side of coil 2 Enclose magnetic stripe 1, multiple inner ring magnetic stripes 1 are distributed with the center of circle Central Symmetry of coil 2 and form circular ring, the center of circle of annulus with it is interior Magnetic stripe 1 is enclosed close to the line at the one side midpoint of inner side, the angle with the medial surface of inner ring magnetic stripe 1 is 90 degree.This set side Formula, can inevitably occur being similar between adjacent inner ring magnetic stripe 1 triangle space a (in Fig. 1 with a represent this three Angular space).

But the space between above-mentioned adjacent inner coil magnetic stripe can cause the reduction of coil inside magnetic stripe area coverage, add magnetic Field leakage, so as to influence the heating effect of electromagnetic oven.

Utility model content

In order to solve at least one problem mentioned in background technology, the utility model provides a kind of coil panel and electromagnetism Stove, the coverage of inner ring magnetic stripe can be increased, reduce leakage magnetic field, improve magnetic conduction effect and the efficiency of heating surface.

To achieve these goals, the utility model provides a kind of coil panel and electromagnetic oven, wherein coil panel include support, The multiple magnetic stripes and disk being arranged in support are located at the coil on multiple magnetic stripes, and multiple inner ring magnetic stripes are additionally provided with the inside of coil, Multiple inner ring magnetic stripes are with coil center of circle Central Symmetry, between the medial surface center of at least one inner ring magnetic stripe and the center of circle of coil The medial surface oblique of line and inner ring magnetic stripe.

Coil panel provided by the utility model sets the interior of the inner ring magnetic stripe by setting inner ring magnetic stripe on the inside of coil The medial surface oblique of line and inner ring magnetic stripe between center side and the center of circle of coil, covers the inner ring magnetic stripe on the inside of coil Area increases, and the space between corresponding adjacent inner coil magnetic stripe has reduced, and reduces magnetic field caused by inner ring magnetic stripe and lets out Leakage, improves the magnetic conduction effect and its efficiency of heating surface of electromagnetic oven, prevents leakage magnetic field to be pointed to the thermistor on the inside of coil Interference is produced, improves the temperature measurement accuracy of the thermistor.

In above-mentioned coil panel, optionally, multiple inner ring magnetic stripe head and the tail, which abut, forms cyclic structure.

In above-mentioned coil panel, optionally, multiple inner ring magnetic stripes include at least one first inner ring magnetic stripe, in first An incline for enclosing medial surface towards the adjacent inner ring magnetic stripe of magnetic stripe is connected to the side of adjacent inner ring magnetic stripe, and in first The side relative with incline of circle magnetic stripe abuts against with another adjacent inner ring magnetic stripe.It can so ensure to form inner ring magnetic stripe shape Into close cyclic structure, further prevent the magnetic line of force in magnetic field from revealing.

In above-mentioned coil panel, optionally, when cyclic structure is annulus, the center of the medial surface of each inner ring magnetic stripe with Line between the center of circle of annulus and the angle between the medial surface of inner ring magnetic stripe are between 30 degree of -90 degree.It can so prevent Inner ring magnetic stripe angle of inclination it is too small and reduce its with coil on the inside of area coverage, so as to reduce leakage magnetic field；And also may be used Prevent inner ring magnetic stripe angle of inclination excessive and reduce the area coverage of coil, so as to improve the heating effect of electromagnetic oven.

In above-mentioned coil panel, optionally, the width of inner ring magnetic stripe is identical with magnetic stripe width.

In above-mentioned coil panel, optionally, the lateral surface of each inner ring magnetic stripe with and inner ring magnetic stripe corresponding magnetic stripe Length direction is mutually perpendicular to.

In above-mentioned coil panel, optionally, inner ring magnetic stripe is connected to the one end of magnetic stripe on the inside of coil, and inner ring magnetic Bar is integrally formed with magnetic stripe, and inner ring magnetic stripe forms L-shaped with magnetic stripe.Processing that so can be in order to magnetic stripe and inner ring magnetic stripe and peace Dress.

In above-mentioned coil panel, optionally, each magnetic stripe is respectively connected with outer ring magnetic stripe, inner ring close to coil lateral ends Magnetic stripe, magnetic stripe and outer ring magnetic stripe form U-shaped.So can by inner ring magnetic stripe and outer ring magnetic stripe respectively from the inner side of coil and The magnetic line of force caused by gathering coil and coil in both directions outside, preferably prevents leakage magnetic field.

In above-mentioned coil panel, optionally, support is provided with and is respectively used to card and sets inner ring magnetic stripe, magnetic stripe and outer ring magnetic stripe Neck.Can so ensure magnetic stripe, inner ring magnetic stripe and outer ring magnetic stripe it is stable on the support of electromagnetic oven.

The utility model also provides a kind of electromagnetic oven, including above-mentioned coil panel, circuit board and housing.

Housing includes lower cover, enclose the Shang Gai for being located at lower cover periphery and lid is located at panel on lid, lower cover, upper lid and panel Cavity is surrounded jointly, and coil panel and circuit board are arranged in cavity.

Electromagnetic oven provided by the utility model, by the way that above-mentioned coil panel is arranged on into lower cover, above and panel encloses what is set In cavity, inner ring magnetic stripe is set on the inside of the coil of electromagnetic oven, and sets medial surface center and the circle of coil of the inner ring magnetic stripe The medial surface oblique of line and inner ring magnetic stripe between the heart, increases the inner ring magnetic stripe area coverage on the inside of coil, corresponding phase Space between adjacent inner ring magnetic stripe has reduced, and reduces leakage magnetic field caused by inner ring magnetic stripe, improves electromagnetic oven Magnetic conduction effect and its efficiency of heating surface, prevent the thermistor that leakage magnetic field is pointed on the inside of coil from producing interference, improve The temperature measurement accuracy of thermistor and the electromagnetic oven temperature-controlled precision.

Construction of the present utility model and its other purpose of utility model and beneficial effect will be in conjunction with the accompanying drawings Description of preferred embodiments and it is more obvious understandable.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of coil panel of the prior art；

Fig. 2 is the structural representation for the coil panel that the utility model embodiment provides；

Fig. 3 is the explosive view for the circuit board wire coil disk that the utility model embodiment provides；

Fig. 4 is the structural representation of the support for the coil panel that the utility model embodiment provides.

Description of reference numerals：

10-support；20-magnetic stripe；30-coil；40-inner ring magnetic stripe；50-neck.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.

Embodiment one

Fig. 2 is the structural representation for the coil panel that the utility model embodiment provides, and Fig. 3 is that the utility model embodiment carries The explosive view of the circuit board wire coil disk of confession, Fig. 4 are the structural representation of the support for the coil panel that the utility model embodiment provides.

In existing coil panel, inner ring magnetic stripe, the medial surface center of inner ring magnetic stripe and the circle of coil are provided with the inside of coil Angle between line between the heart, and the medial surface of inner ring magnetic stripe is 90 degree, and this setup makes it on the inside of coil Area coverage is too small, and the space between adjacent inner ring magnetic stripe is larger, easily causes leakage magnetic field, not only reduces adding for electromagnetic oven Thermal effect, and the magnetic field revealed can produce interference to the thermistor on the inside of coil, cause the temperature measurement accuracy of electromagnetic oven to reduce. As shown in Figures 2 to 4, the utility model embodiment one provides a kind of coil panel, including support 10, be arranged on it is more in support 10 Individual magnetic stripe 20 and disk are located at the coil 30 on multiple magnetic stripes 20, and the inner side of coil 30 is additionally provided with multiple inner ring magnetic stripes 40, multiple interior Magnetic stripe 40 is enclosed with the center of circle Central Symmetry of coil 30, the medial surface center of at least one inner ring magnetic stripe 40 and the center of circle of coil 30 it Between line and inner ring magnetic stripe 40 medial surface oblique.

It should be noted that coil panel provided by the utility model in the inner opposite end of coil 30 by setting inner ring magnetic stripe 40, and the medial surface of the line and inner ring magnetic stripe 40 between the medial surface center of the inner ring magnetic stripe 40 and the center of circle of coil 30 is set Oblique.On the basis of having equal area in the inner side of coil 30, the inner ring magnetic stripe 40 of this set is compared to above-mentioned prior art In inner ring magnetic stripe set-up mode, the setting of inner ring magnetic stripe 40 is more, and the space between adjacent inner coil magnetic stripe 40 is Reduce, therefore the area coverage of inner ring magnetic stripe 40 increase of the inner side of coil 30.Produced because inner ring magnetic stripe 40 can gather coil 30 Magnetic induction line, prevent its leakage magnetic field formed, therefore the set-up mode of the inner ring magnetic stripe 40 also improves the magnetic conduction of electromagnetic oven Effect and the efficiency of heating surface.

Further, it can be provided for detecting and adjusting the thermistor of temperature, the magnetic field meeting of leakage in the inner side of coil 30 Interference is produced to thermistor, therefore prevents the inner ring magnetic stripe 40 of leakage magnetic field from can also improve the temperature measurement accuracy of the thermistor, Also the thermometric and temperature control effect of the electromagnetic oven are further increased.

It is pointed out that in the present embodiment, inner ring magnetic stripe 40, which can enclose, is set as cyclic structure, this cyclic structure not office It is limited to inner ring magnetic stripe in the prior art and encloses the circular ring set, can as needed and coil in the production design of reality The putting position of the regulation inner ring magnetic stripe 40 of the space limitation of 30 inner sides, improves its area coverage in the inner side of coil 30 as far as possible , the cyclic structure can also be straight-flanked ring, elliptical ring or three square rings etc..

As shown in Fig. 2 in the present embodiment, the line between the medial surface center of inner ring magnetic stripe 40 and the center of circle of coil 30 With the medial surface oblique of inner ring magnetic stripe 40, the medial surface of the inner ring magnetic stripe 40 of this set can be towards adjacent inner ring magnetic stripe 40. Can be specifically that part inner ring magnetic stripe 40 is above-mentioned set-up mode or all inner ring magnetic stripes 40 are the setting Mode.Further, when it is above-mentioned set-up mode to have multiple inner ring magnetic stripes 40, the medial surface of multiple inner ring magnetic stripes 40 can be suitable It is secondary towards same direction, and can be set towards different directions.

It should be noted that multiple inner ring magnetic stripes 40 abut from beginning to end forms cyclic structure.Each medial surface of inner ring magnetic stripe 40 is equal It is obliquely installed towards adjacent inner ring magnetic stripe 40, to reduce the difficulty of production design and installation, all inner ring magnetic stripes 40 Inner side is towards unified direction, and in Fig. 2 of the present embodiment, all inner ring magnetic stripes 40 court in clockwise direction tilts. In the production of reality, the incline direction of the inner ring magnetic stripe 40 can also be unified towards counterclockwise inclination.Further, compare In the medial surface direction of inner ring magnetic stripe 40 and skimble-scamble set-up mode, the medial surface is sequentially towards unidirectional inner ring magnetic The area that bar 40 covers the inner side of coil 30 is bigger, is more beneficial for preventing leakage magnetic field.And to prevent magnetic induction line by adjacent Leaked outside between circle magnetic stripe 40, multiple inner ring magnetic stripes 40 are to enclose to be set as cyclic structure in a manner of head and the tail abut against.

Specifically, multiple inner ring magnetic stripes 40 abut and enclose the specific set-up mode for being set as cyclic structure and can be from beginning to end：Such as Fig. 2 Shown, multiple inner ring magnetic stripes 40 include at least one first inner ring magnetic stripe A (representing the first inner ring magnetic stripe in Fig. 2 with A), the One inner ring magnetic stripe A medial surface is towards adjacent inner ring magnetic stripe B (representing the adjacent inner ring magnetic stripe in Fig. 2 with a B) side Rib is connected to adjacent inner ring magnetic stripe B side, and the first inner ring magnetic stripe A side relative with the incline with it is another adjacent Inner ring magnetic stripe C (representing another adjacent inner ring magnetic stripe in Fig. 2 with C) is abutted against.Such head and the tail abutment can prevent Adjacent inner ring magnetic stripe 40 between formed such as the space of the prior art for being similar to triangle, cause magnetic induction line thus space Middle leakage, therefore the set-up mode can improve the effect of the magnetic-field leakage of inner ring magnetic stripe 40.

Particularly, when cyclic structure is annulus, between the center of medial surface and the center of circle of annulus of each inner ring magnetic stripe 40 Line and inner ring magnetic stripe 40 medial surface between angle 30 degree -90 degree between.Because this is obliquely installed inner ring magnetic stripe 40 In tilting procedure, compared to existing inner ring magnetic stripe, the inner ring magnetic stripe 40 in the present embodiment will certainly increase in width On area occupied so that the area coverage of coil 30 has reduced.Therefore it is to prevent the inner ring magnetic stripe 40 due to angle of inclination It is excessive and cause the area coverage of coil 30 to reduce, influence the heating effect of electromagnetic oven, the medial surface center of the inner ring magnetic stripe 40 with Connection between the center of circle for the circular ring that inner ring magnetic stripe 40 is formed, the angle between the medial surface of inner ring magnetic stripe 40 should be greater than 30 degree, now the inner ring magnetic stripe 40 compared to existing inner ring magnetic stripe angle of inclination then be less than 60 degree.

Further, inner ring magnetic stripe 40 tilt be to improve its area coverage in the inner side of coil 30, if therefore its compare Too small in the angle of inclination of existing inner ring magnetic stripe, its area coverage also can accordingly reduce.Therefore exist for guarantee inner ring magnetic stripe 40 The higher area coverage in the inner side of coil 30, line between the center of medial surface and the center of circle of annulus of each inner ring magnetic stripe 40 and 90 degree are should be less than between the medial surface of inner ring magnetic stripe 40.Now to should inner ring magnetic stripe 40 incline compared to existing inner ring magnetic stripe Rake angle is then more than 0 degree.

To sum up, it is the acquisition simultaneously higher area coverage of inner ring magnetic stripe 40 and the area coverage of coil 30, the inner ring magnetic stripe 40 Angle of inclination compared to existing inner ring magnetic stripe should be between 0-60 degree, i.e. the center of the medial surface of inner ring magnetic stripe 40 and annulus Line between the center of circle and the angle between the medial surface of inner ring magnetic stripe 40 are between 30 degree of -90 degree.

For ease of the processing and installation of inner ring magnetic stripe 40 and magnetic stripe 20, width and the width phase of magnetic stripe 20 of inner ring magnetic stripe 40 Together.Inner ring magnetic stripe 40 is connected to magnetic stripe 20 close to one end of the inner side of coil 30, and inner ring magnetic stripe 40 is integrally formed with magnetic stripe 20, interior Enclose magnetic stripe 40 and form L-shaped with magnetic stripe 20.

Further, the lateral surface of each inner ring magnetic stripe 40 with and the corresponding magnetic stripe 20 of inner ring magnetic stripe 40 length direction phase It is mutually vertical.Magnetic stripe of the prior art is the radial direction setting along coil 30, and in the present embodiment, due to inner ring magnetic stripe 40 Run-off the straight, for ease of both fabrication designs, the lateral surface of the corresponding inner ring magnetic stripe 40 of the length direction of the magnetic stripe 20 It is mutually perpendicular to, i.e., the magnetic stripe 20 equally tilts equal angular compared to existing magnetic stripe towards the incline direction of inner ring magnetic stripe 40.

To ensure that magnetic induction line caused by coil 30 can be leaned on inside and outside coil 30 by gather effect, each magnetic stripe 20 The lateral ends of near line circle 30 are respectively connected with outer ring magnetic stripe, and inner ring magnetic stripe 40, magnetic stripe 20 and outer ring magnetic stripe form U-shaped.U-shaped Two ends are respectively inner ring magnetic stripe 40 and outer ring magnetic stripe, and both of which is set towards the side of coil 30, respectively in coil 30 Coil 30 is gathered in outer both sides, avoids magnetic induction line and magnetic field caused by coil 30 from leaking, and improves the heating effect of electromagnetic oven Fruit.

To improve the inner ring magnetic stripe 40, magnetic stripe 20 and the installation accuracy and mounting stability of outer ring magnetic stripe, set on support 10 Have and be respectively used to the neck 50 that card sets inner ring magnetic stripe 40, magnetic stripe 20 and outer ring magnetic stripe.The neck 50 is also according to the He of inner ring magnetic stripe 40 The angle of inclination of magnetic stripe 20, it is arranged to the structure with same tilt angle adaptable with it.

The coil panel that the utility model embodiment one provides, by being connected in each magnetic stripe 20 close to the inner opposite end of coil 30 Inner ring magnetic stripe 40, and set the medial surface of the inner ring magnetic stripe 40 to be tilted towards adjacent inner ring magnetic stripe 40, make the inner side of coil 30 The increase of the area coverage of inner ring magnetic stripe 40, the space between corresponding adjacent inner coil magnetic stripe 40 has reduced.So reduce from Leakage magnetic field caused by inner ring magnetic stripe 40, the magnetic conduction effect and its efficiency of heating surface of electromagnetic oven are improved, prevents leakage magnetic field The thermistor for being pointed to the inner side of coil 30 produces interference, improves the temperature measurement accuracy of the thermistor.

Embodiment two

The utility model embodiment two also provides coil panel, circuit board and shell in a kind of electromagnetic oven, including embodiment one Body.

Housing includes lower cover, enclose the Shang Gai for being located at lower cover periphery and lid is located at panel on lid, lower cover, upper lid and panel Cavity is surrounded jointly, and coil panel and circuit board are arranged in cavity.

The electromagnetic oven that the utility model embodiment two provides, by the way that above-mentioned coil panel is arranged on into lower cover, above and face Plate is enclosed in the cavity set, connects inner ring magnetic stripe 40 close to the inner opposite end of coil 30 in each magnetic stripe 20 of electromagnetic oven, and set and be somebody's turn to do The medial surface of inner ring magnetic stripe 40 tilts towards adjacent inner ring magnetic stripe 40, makes the area coverage of inner ring magnetic stripe 40 of the inner side of coil 30 Increase, the space between corresponding adjacent inner coil magnetic stripe 40 has reduced, and reduces magnetic field caused by inner ring magnetic stripe 40 and lets out Leakage, the magnetic conduction effect and its efficiency of heating surface of electromagnetic oven are improved, prevent leakage magnetic field to be pointed to the temperature-sensitive electricity of the inner side of coil 30 Resistance produces interference, improves the temperature measurement accuracy and temperature-controlled precision of the electromagnetic oven.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (10)

1. a kind of coil panel, including support (10), multiple magnetic stripes (20) for being arranged in the support (10) and disk be located at it is more Coil (30) on the individual magnetic stripe (20), coil (30) inner side is additionally provided with multiple inner ring magnetic stripes (40), multiple described interior Magnetic stripe (40) is enclosed with the center of circle Central Symmetry of the coil (30), it is characterised in that at least one inner ring magnetic stripe (40) Line and the medial surface oblique of the inner ring magnetic stripe (40) between medial surface center and the center of circle of the coil (30).

2. coil panel according to claim 1, it is characterised in that multiple inner ring magnetic stripe (40) head and the tail, which abut, forms ring Shape structure.

3. coil panel according to claim 2, it is characterised in that multiple inner ring magnetic stripes (40) include at least one First inner ring magnetic stripe (40), the incline of the medial surface of the first inner ring magnetic stripe (40) towards adjacent inner ring magnetic stripe (40) It is connected to the side of the adjacent inner ring magnetic stripe (40), and the side relative with the incline of the first inner ring magnetic stripe (40) Face abuts against with another adjacent inner ring magnetic stripe (40).

4. coil panel according to claim 2, it is characterised in that when the cyclic structure is annulus, the inner ring magnetic stripe (40) line between the center of medial surface and the center of circle of the annulus and between the medial surface of the inner ring magnetic stripe (40) Angle is between 30 degree of -90 degree.

5. according to the coil panel described in claim any one of 1-3, it is characterised in that the width of the inner ring magnetic stripe (40) and institute It is identical to state magnetic stripe (20) width.

6. according to the coil panel described in claim any one of 1-3, it is characterised in that the outside of each inner ring magnetic stripe (40) Face with and the length direction of the corresponding magnetic stripe (20) of the inner ring magnetic stripe (40) be mutually perpendicular to.

7. according to the coil panel described in claim any one of 1-3, it is characterised in that the inner ring magnetic stripe (40) is connected to described The one end of magnetic stripe (20) on the inside of the coil (30), and the inner ring magnetic stripe (40) is integrally formed with the magnetic stripe (20), The inner ring magnetic stripe (40) forms L-shaped with the magnetic stripe (20).

8. according to the coil panel described in claim any one of 1-3, it is characterised in that each magnetic stripe (20) is close to the line Circle (30) lateral ends are respectively connected with outer ring magnetic stripe, the inner ring magnetic stripe (40), the magnetic stripe (20) and the outer ring magnetic stripe shape Into U-shaped.

9. coil panel according to claim 8, it is characterised in that the support (10) be provided be respectively used to card set it is described The neck (50) of inner ring magnetic stripe (40), the magnetic stripe (20) and the outer ring magnetic stripe.

10. a kind of electromagnetic oven, it is characterised in that including the coil panel as described in claim 1-9, circuit board and housing；

The housing includes lower cover, enclose the Shang Gai for being located at the lower cover periphery and lid is located at panel on the upper lid, under described Lid, the upper lid and the panel surround cavity jointly, and the coil panel and the circuit board are arranged in the cavity.