CN210298127U

CN210298127U - Electromagnetic wire coil with stable and reliable coil

Info

Publication number: CN210298127U
Application number: CN201920848859.6U
Authority: CN
Inventors: 朱泽春; 崔卫民; 谈嘉伟; 王强
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-04-10
Anticipated expiration: 2029-06-06

Abstract

The utility model provides a reliable and stable electromagnetic wire coil of coil has solved the fixed insecure problem of electromagnetic wire coil, including coil plate rail, coil, be equipped with the annular wire winding baffle of a plurality of concentric settings on the coil plate rail, form the wire winding groove between the adjacent wire winding baffle, the coil is around locating the wire winding inslot, set up the wire jumper groove of outside orientation extension in the coil plate rail along the line on the coil plate rail, the wire winding baffle has the hot indentation of depending on at least setting up in wire jumper groove both sides, the hot indentation forms spacing protruding in wire winding baffle upper end to deviating from to the relative wire winding groove of coil and carry on spacingly. The utility model discloses a reliable and stable electromagnetic wire coil of coil, the part hot pressing through at least wire jumper groove both sides on the plate rail forms the hot indentation, and is local or whole spacing to the coil, has improved fixed reliability and security of multilayer coil on the plate rail.

Description

Electromagnetic wire coil with stable and reliable coil

Technical Field

The utility model belongs to the cooking utensil field, concretely relates to reliable and stable electromagnetic wire coil of coil.

Background

The electromagnetic coil tray is a core component of an existing induction cooker and an existing induction cooker, and comprises a coil tray frame and a coil wound on the coil tray frame, wherein a circular ring or a spiral partition plate is usually arranged on the coil tray frame, and a groove is formed to accommodate the coil. In a bobbin holder configuration, the coil requires double winding on the bobbin holder, and the bobbin holder is generally arranged in concentric circles, and during winding, the coil is wound from the center of the bobbin holder radially toward the outer ring, and after one winding, the coil jumps to the next winding, and the coil windings cross each other at the jumping positions between the coils. The winding process is complex, due to the fact that winding is tight, prestress exists between wires in mutual areas, after winding is completed, the coil is easy to be separated from a plurality of areas of the coil plate rack, particularly wire jumping areas, and performance reduction and even potential safety hazards are caused.

For a double-layer wound electromagnetic wire coil having a jumper region, improvement in reliability of fixation of its coil is extremely necessary.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that prior art exists, the utility model provides a carry out the structure that coil installation stability is reinforceed to double-deck wire-wound electromagnetic wire coil, make the coil of installing the plate rail be difficult for deviating from, stable in use, safe and reliable.

The utility model adopts the technical proposal that:

the utility model provides a reliable and stable electromagnetism drum of coil, includes coil plate rail, coil, be equipped with a plurality of annular wire winding baffles that set up with one heart on the coil plate rail, form the wire winding groove between the adjacent wire winding baffle, the coil is around locating in the wire winding groove, set up the wire jumper groove of outside orientation extension in the coil plate rail along the line on the coil plate rail, the wire winding baffle has depends on the hot indentation that sets up in wire jumper groove both sides at least, the hot indentation forms spacing protruding in wire winding baffle upper end to deviating from to the relative wire winding groove of coil carries on spacingly. The wire jumping slot is a weak part, the prestress of the coil near the weak part is the maximum, and the unpredictability of coil falling-off is the maximum, so that the coil falling-off can be effectively prevented by performing hot-pressing limiting on two sides of the wire jumping slot, and a limiting protrusion is formed in a hot-pressing mode, so that the process is simple and efficient.

Preferably, the hot pressing marks are distributed on the coil disc frame in a circumferential direction. The hot pressing marks distributed in the circumferential direction enable the installation surface of the whole coil to be distributed with the hot pressing marks, the limiting reliability is further enhanced, and each part of the coil is ensured not to be separated.

Preferably, each hot indentation forms a limiting protrusion on both sides of the upper end of each winding separator. The simplest hot pressing mode is plane hot pressing, and the limiting bulges are naturally formed on the two sides of the partition plate and cause reliable steric hindrance to the coil.

Alternatively, the hot-pressing mark extends in a radial direction of the coil bobbin. The efficiency of the hot pressing mark extending in the radial direction is highest, and the obtained limiting protrusion is also vertical to the extending direction of the partition plate, so that the coil is limited most efficiently.

In one embodiment, the protrusion width of the position limiting protrusion relative to the winding slot is 0.05-0.2 times of the thickness of the winding slot. The limiting protrusion protrudes slightly from two sides of the winding groove after being formed, the coil is limited, and the occupied space of the limiting protrusion is a small part of the thickness of the winding groove extending outwards.

In one embodiment, the jumper slot is opened along a radial direction of the coil disk frame. The wiring groove is beneficial to winding and crossing the double-layer coil in one direction, and the process is most simple and convenient.

In one embodiment, the jumper slot is a through slot that is opened from the front side to the back side of the coil tray frame. The through groove is convenient to open, and the double-layer coil winding device is convenient to wind the double-layer coil.

Furthermore, the coil is wound on at least two layers of the front surface of the coil plate rack, and the coil extends from the upper layer to the lower layer in the jumper slot. The coil is wound by two or more layers, and the coil extends from the upper part to the lower part of the jumper wire groove, so that the transition is convenient.

In one embodiment, the coil disk frame is further provided with an annular partition plate at a middle portion in a radial direction to partition the coil into an inner coil and an outer coil. The coil is divided into an inner ring coil and an outer ring coil by the isolating plate so as to adjust the distribution and the uniformity of the heating area.

In one embodiment, the coil is surrounded by an electrically insulating layer. The insulating layer ensures electrical insulation between the coils, short circuit caused by wire collision is avoided, and efficiency is reduced or risk is increased.

The utility model has the advantages that: the utility model discloses a reliable and stable electromagnetic wire coil of coil, the part hot pressing through at least wire jumper groove both sides on the plate rail forms the hot indentation, and is local or whole spacing to the coil, has improved fixed reliability and security of multilayer coil on the plate rail. The method comprises the following specific steps:

1. the hot pressing process is simple, and the limiting protrusion is naturally formed by hot pressing the upper part of the winding groove;

2. the limiting protrusion can reliably limit the upper part of the coil;

3. a plurality of hot indentations are circumferentially distributed on the coil plate frame to ensure the reliability of the coil fixed in the coil groove, and the use effect and the service life of the induction cooker are ensured.

Drawings

Fig. 1 is a schematic front plane structure view of an electromagnetic wire coil according to a first embodiment of the present invention.

Fig. 2 is a schematic plan view of a back surface of an electromagnetic wire coil according to a first embodiment of the present invention.

Fig. 3 is a schematic front plane structure view of an electromagnetic wire coil according to an embodiment of the present invention.

In the figure: 1-coil plate rack, 10-winding groove, 100-center hole, 11-winding clapboard, 12-jumping wire groove, 13-isolation board, 2-coil, 21-inner ring coil, 22-outer ring coil, 3-hot pressing mark, 31-limit protrusion and 4-magnetic strip.

Detailed Description

The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.

Example one

Referring to fig. 1-2, an electromagnetic wire coil with a stable and reliable coil comprises a coil tray 1 and a coil 2, wherein a plurality of annular winding partition plates 11 which are concentrically arranged are arranged on the coil tray 1, winding grooves 10 are formed between the adjacent winding partition plates 11, the coil 2 is wound in the winding grooves 10, jumper grooves 12 which extend along the inner direction and the outer direction of the coil tray 1 are formed in the coil tray 1, the winding partition plates 11 at least have hot pressing marks 3 formed by hot pressing at the parts of two sides of the jumper grooves 12, and the hot pressing marks 3 form limiting protrusions 31 on two sides of the upper end of the winding partition plates 11 so as to limit the separation of the coil 2 from the winding grooves 10. The wire jumper groove 12 is a weak part, the prestress of the coil 2 near the weak part is the maximum, and the unpredictability of the coil 2 coming off is the maximum, so that the coil 2 can be effectively prevented from coming off by performing hot-pressing limiting on two sides of the wire jumper groove 12, and a limiting protrusion is formed in a hot-pressing mode, so that the process is simple and efficient.

Specifically, the coil plate frame 1 is provided with a central hole 100 in the middle for installing components such as a temperature measuring part, the coil 2 is wound on the front side of the coil plate frame 1 at least two layers, preferably two layers, the coil 2 extends from the upper layer to the lower layer in the jumper slot 12, and the back side of the coil plate frame 1 is provided with a plurality of magnetic strips 4 distributed in the radial direction; the jumper wire grooves 12 are formed along the radial direction of the coil plate rack 1, and the jumper wire grooves 12 are through grooves formed from the front face to the back face of the coil plate rack 1. Each of the hot stamping marks 3 forms a limiting protrusion 31 on both sides of the upper end of each winding partition 11. The plane hot pressing process naturally forms the limiting protrusions 31 on both sides of the partition plate 11, and the limiting protrusions 31 on both sides cause reliable steric hindrance to the coil 2. The hot indentation 3 extends along the radial direction of the coil disc frame 1; and two hot indentations 31 are arranged above the winding partition plate 11 in the same radial direction and are used as hot indentation groups, so that the limiting reliability of the hot indentations 31 is further improved. A pair of hot indentations 31 are respectively arranged on two sides of the jump wire groove 12 at the inner sides of the pair of hot indentation groups closest to the jump wire groove 12 so as to enhance the limiting reliability of the weak link of the jump wire groove 12. The protruding width of the limiting protrusion 31 relative to the winding groove 10 is 0.05-0.2 times of the thickness of the winding groove 10.

In a further embodiment, the coil bobbin 1 is further provided with an annular partition plate 13 at a middle portion in a radial direction to partition the coil 2 into an inner coil 21 and an outer coil 22, and the hot pressing does not pass through the partition plate 13, and is performed in such a manner that the formed hot impression 3 avoids the partition plate 13.

It will be appreciated that the coil 2 is externally wrapped with an electrically insulating layer (not shown). The insulating layer ensures electrical insulation between the coils, short circuit caused by wire collision is avoided, and efficiency is reduced or risk is increased.

Example two

Referring to fig. 3, the second embodiment is substantially the same as the first embodiment except that:

the hot indentation 3 is a plurality of, preferably 4 ~ 8 hot indentation groups of group of 4, and circumference evenly arranges on coil plate rail 1, and a set of hot indentation 31 of baffle 11 top in same radial direction has two to further increase the spacing reliability of hot indentation 31. The hot pressing marks 3 distributed in the circumferential direction enable the installation surface of the whole coil 2 to be distributed with the hot pressing marks 3, the limiting reliability is further enhanced, and each part of the coil 2 is ensured not to be separated.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.

Claims

1. The utility model provides a reliable and stable electromagnetism drum of coil, includes coil plate rail, coil, be equipped with a plurality of annular wire winding baffles that set up with one heart on the coil plate rail, form the wire winding groove between the adjacent wire winding baffle, the coil is around locating in the wire winding groove, a serial communication port, set up the wire jumper groove that the outside extended in the coil plate rail along the line on the coil plate rail, the wire winding baffle has the hot indentation that depends on at least setting up in wire jumper groove both sides, the hot indentation forms spacing protruding in wire winding baffle upper end to deviating from to the relative wire winding groove of coil carries on spacingly.

2. The electromagnetic wire coil with stable and reliable coil as claimed in claim 1, wherein the hot pressing marks are distributed on the coil plate frame in a circumferential direction.

3. The electromagnetic wire coil with stable and reliable coils as claimed in claim 1, wherein each of the hot indentations forms a position-limiting protrusion on both sides of the upper end of each of the winding partitions.

4. The electromagnetic wire coil according to claim 1, wherein the hot indentation extends in a radial direction of the coil holder.

5. The electromagnetic wire coil with stable and reliable coil as claimed in claim 1, wherein the protrusion width of said position-limiting protrusion relative to the winding slot is 0.05-0.2 times the thickness of the winding slot.

6. The electromagnetic wire coil with stable and reliable coils as claimed in claim 1, wherein the jumper slot is formed along a radial direction of the coil plate frame.

7. The electromagnetic wire coil with stable and reliable coils as claimed in claim 1, wherein the jumper slot is a through slot that is opened from the front face to the back face of the coil tray frame.

8. The electromagnetic wire coil with stable and reliable coils as claimed in claim 7, wherein the coils are wound on the front surface of the coil tray in at least two layers, and the coils extend from the upper layer to the lower layer in the jumper groove.

9. The electromagnetic wire coil with stable and reliable coil as claimed in claim 1, wherein the coil disk frame is further provided with an annular partition plate at a middle portion in a radial direction to partition the coil into an inner coil and an outer coil.

10. The electromagnetic wire coil with stable and reliable coil as claimed in claim 1, wherein the coil is externally wrapped with an electrically insulating layer.