CN210986455U

CN210986455U - Thick film heating disc

Info

Publication number: CN210986455U
Application number: CN201921169397.1U
Authority: CN
Inventors: 朱青华
Original assignee: Anhui Suli Technology Co ltd
Current assignee: Anhui Suli Technology Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-07-10
Anticipated expiration: 2029-07-23

Abstract

The utility model relates to a thick film heating plate, which comprises a stainless steel substrate, wherein an insulating layer is solidified on the stainless steel substrate through high-temperature sintering, a heating layer is coated on the insulating layer, and an encapsulating layer is coated on the heating layer; be equipped with a plurality of bar space bands along stainless steel base member radial direction distribution on the insulating layer, bar space band separates into a plurality of insulating zone No. one with the insulating layer, and the insulating layer center is equipped with the insulating zone No. two that one end links to each other with insulating zone, is equipped with the compartment between insulating zone and the insulating zone No. two, is equipped with the arc space band that a plurality of sections distribute along the outside circle of insulating layer inner circle in the insulating zone. The utility model ensures that the insulating layer can not expand in a long-time high-temperature working environment through the strip-shaped spacing belt, the arc-shaped spacing belt and the spacing area, so that the insulating layer is damaged and separated; through a resistance portion and No. two resistance portion evenly distributed in an insulating area and No. two insulating areas, guarantee the even of dish that generates heat, prevent local overheat.

Description

Thick film heating disc

Technical Field

The utility model relates to a dish field that generates heat, specific thick film dish that generates heat that says so.

Background

The traditional high-power heating plate mostly adopts a structure of using an electric heating tube and a stainless steel plate, is influenced by the volume and the wiring of the electric heating tube, and is large in size, bulky in structure, not easy to mount, and easy to cause uneven heating and damage a heating plate base body; the existing thick film heating plate is mostly a low-power heating plate, if the thick film heating plate is applied to high power, the high-power heating plate is required to be realized by connecting a plurality of heating plates, the structure is overstaffed, wiring is complex, meanwhile, the thick film heating plate is under a long-time high-temperature working environment, the insulating layer on the heating plate is easy to expand, the insulating layer is burst, the insulating layer is separated, and finally the heating plate is failed.

Disclosure of Invention

Now in order to solve the technical problem, the utility model provides a thick film dish that generates heat. The utility model discloses the technical problem that will solve adopts following technical scheme to realize:

a thick film heating plate comprises a stainless steel substrate, wherein an insulating layer is sintered and solidified at a high temperature on the stainless steel substrate, a heating layer is coated on the insulating layer, and an encapsulating layer is coated on the heating layer;

the insulating layer is provided with a plurality of strip-shaped spacing belts distributed along the radius direction of the stainless steel substrate, the strip-shaped spacing belts divide the insulating layer into a plurality of first insulating areas, the center of the insulating layer is provided with a second insulating area, one end of the second insulating area is connected with the first insulating area, a spacing area is arranged between the first insulating area and the second insulating area, and a plurality of arc-shaped spacing belts distributed from the center of the insulating layer to the outer ring are arranged in the first insulating area.

Any two of the plurality of strip-shaped spacing bands are distributed along the center of the insulating layer to the outer circle and penetrate through the outer edge of the insulating layer, and the plurality of strip-shaped spacing bands also comprise two strips which are distributed along the outer circle of the insulating layer to the center and penetrate through the inner edge of the insulating layer.

The heating layer comprises a first resistance part and a second resistance part, wherein the first resistance part and the second resistance part are distributed in the first insulating area and the second insulating area alternately and independently.

The first resistance part comprises a plurality of sections of first heating resistors which are distributed in a first insulation area and distributed towards the center along the outer ring of the insulation layer, and the first heating resistors are connected with second heating resistors distributed in a second insulation area.

The second resistance part comprises a plurality of sections of third heating resistors which are distributed in the first insulation area and distributed towards the center along the outer ring of the insulation layer.

The initial ends of the first resistance part and the second resistance part are both connected with conductor layers.

Two pairs of positioning holes are formed in the insulating layer.

And a plurality of stud mounting areas are arranged on the outer ring of the stainless steel substrate.

And the heating layer and the encapsulating layer are both solidified through high-temperature sintering.

The utility model has the advantages that: the utility model ensures that the insulating layer can not expand and burst under the long-time high-temperature working environment through the strip-shaped spacing belt, the arc-shaped spacing belt and the spacing area, so that the insulating layer is damaged and falls off; the utility model discloses a resistance portion and No. two resistance portion evenly distributed guarantee the even of dish that generates heat in an insulating area and No. two insulating areas, prevent local overheat, influence the heating effect.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the insulating layer of the present invention;

FIG. 4 is a schematic view of the first resistor of the present invention;

fig. 5 is a schematic diagram of the second resistor of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description will be made with reference to the accompanying drawings in the embodiments, and the embodiments described are only a part of the present invention and not all of the present invention, and other embodiments obtained by those skilled in the art without inventive skill based on the present embodiment are all within the protection scope of the present invention.

As shown in fig. 1 to 5, a thick film heating plate comprises a stainless steel substrate 1, wherein an insulating layer 2 is sintered and cured on the stainless steel substrate 1 at a high temperature, a heating layer 4 is coated on the insulating layer 2, and an encapsulating layer 5 is coated on the heating layer 4;

the insulating layer 2 is provided with a plurality of strip-shaped spacing bands 3 distributed along the radius direction of the stainless steel substrate 1, the strip-shaped spacing bands 3 divide the insulating layer 2 into a plurality of first insulating regions 21, the center of the insulating layer 2 is provided with a second insulating region 22 with one end connected with the first insulating region 21, a spacing region 7 is arranged between the first insulating region 21 and the second insulating region 22, and a plurality of arc-shaped spacing bands 8 distributed along the center of the insulating layer 2 to the outer circle are arranged in the first insulating region.

Any two of the plurality of strip-shaped spacing bands 3 are distributed along the center of the insulating layer 2 to the outer circle and penetrate through the outer edge of the insulating layer 2, and the plurality of strip-shaped spacing bands 3 also comprise two strips which are distributed along the outer circle of the insulating layer 2 to the center and penetrate through the inner edge of the insulating layer 2.

The heating layer 4 comprises a first resistance part 41 distributed in the first insulation area 21 and a second insulation area 22, and a second resistance part 42 which is alternated with the first resistance part 41 and is mutually independently distributed in the first insulation area 21; the first resistance part 41 and the second resistance part 42 are uniformly distributed on the first insulating area 21 and the second insulating area 22, so that the heating plate can uniformly heat.

The first resistance part 41 comprises a plurality of first heating resistors 411 which are distributed in the first insulating area 21 and distributed towards the center along the outer ring of the insulating layer 2, and the first heating resistors 411 are connected with second heating resistors 412 distributed in the second insulating area 22; the first heating resistors 411 are connected in series in sequence.

The second resistance part 42 comprises a plurality of third heating resistors 421 which are distributed in the first insulation region 21 and distributed towards the center along the outer ring of the insulation layer 2, and the third heating resistors 421 are sequentially connected in series.

The conductor layer 11 is connected to the starting ends of the first resistance part 41 and the second resistance part 42.

The heat-insulation plate comprises an insulation layer 2, a first resistance part 41, a second resistance part 42, a conductor layer 11 and a conductor layer, wherein the insulation layer 2 is provided with two pairs of positioning holes 9, the positioning holes 9 are welded with studs through a stud welding machine to fix a snap-action temperature controller, the first resistance part 41 and the second resistance part 42 are prevented from overheating, insulation paper needs to be pasted in a contact area of the snap-action temperature controller and a heating plate when the heat-insulation plate is installed on the snap-action temperature controller, the conductor layer 11 is provided with three ports L1, L2 and L3, the starting end and the tail end of the first resistance part 41 are respectively connected with the ports L1 and L2, the starting end and the tail end of the second resistance part 42 are respectively connected with the ports L1 and L3, the ports L1, L2 and L3 are connected with the corresponding snap-action temperature controllers through.

The outer ring of the stainless steel substrate 1 is provided with a plurality of stud mounting areas 10; the stud is welded to the stud mounting area 10 through the stud welding machine, so that the heating plate can be fixed on an electric appliance, the heating stability is kept, and the heating plate cannot be separated due to accidental toppling of the electric appliance.

The heating layer 4 and the encapsulating layer 5 are both solidified through high-temperature sintering.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a thick film heating plate, includes stainless steel base body (1), its characterized in that: the stainless steel substrate (1) is sintered and solidified at high temperature to form an insulating layer (2), a heating layer (4) is coated on the insulating layer (2), and an encapsulating layer (5) is coated on the heating layer (4);

be equipped with on insulating layer (2) along a plurality of bar spacer bands (3) that stainless steel base member (1) radius direction distributes, bar spacer band (3) separate insulating layer (2) into a plurality of insulating zone (21), insulating layer (2) center is equipped with No. two insulating zones (22) that one end links to each other with an insulating zone (21), be equipped with between an insulating zone (21) and No. two insulating zones (22) spacer region (7), be equipped with in an insulating zone (21) a plurality of sections along insulating layer (2) center outside arc spacer band (8) that encircle the distribution.

2. A thick film heat generating plate according to claim 1, wherein: any two of the plurality of strip-shaped spacing bands (3) are distributed along the center of the insulating layer (2) to the outer circle and penetrate through the outer edge of the insulating layer (2), and the plurality of strip-shaped spacing bands (3) also comprise two strips which are distributed along the outer circle of the insulating layer (2) to the center and penetrate through the inner edge of the insulating layer (2).

3. A thick film heat generating plate according to claim 1, wherein: the heating layer (4) comprises a first resistance part (41) distributed in the first insulation area (21) and the second insulation area (22) and a second resistance part (42) which is alternately distributed in the first insulation area (21) and mutually independent from the first resistance part (41).

4. A thick film heat generating plate according to claim 3, wherein: the first resistor part (41) comprises a plurality of sections of first heating resistors (411) which are distributed in the first insulating area (21) and distributed towards the center along the outer ring of the insulating layer (2), and the first heating resistors (411) are connected with second heating resistors (412) which are distributed in the second insulating area (22).

5. A thick film heat generating plate according to claim 3, wherein: the second resistance part (42) comprises a plurality of sections of third heating resistors (421) which are distributed in the first insulation area (21) and distributed towards the center along the outer ring of the insulation layer (2).

6. A thick film heat generating plate according to claim 3, wherein: the starting ends of the first resistance part (41) and the second resistance part (42) are connected with a conductor layer (11).

7. A thick film heat generating plate according to claim 1, wherein: two pairs of positioning holes (9) are formed in the insulating layer (2).

8. A thick film heat generating plate according to claim 1, wherein: the outer ring of the stainless steel substrate (1) is provided with a plurality of stud mounting areas (10).

9. A thick film heat generating plate according to claim 1, wherein: the heating layer (4) and the encapsulating layer (5) are both sintered and cured at high temperature.