CN213991068U

CN213991068U - Multi-temperature-zone glass substrate heating device

Info

Publication number: CN213991068U
Application number: CN202023263141.2U
Authority: CN
Inventors: 居吉富
Original assignee: Dongguan Hongyang Thermal Energy Technology Co ltd
Current assignee: Dongguan Hongyang Thermal Energy Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-17
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a multi-temperature-zone glass substrate heating device, which comprises a glass substrate, a heating body, a silica gel coating and a mica sheet; the front surface of the glass substrate is provided with a plurality of temperature zones; the heating body is fixed on the back of the glass substrate in an overlapped mode, the heating body comprises a heating film layer, a conductive electrode layer and an inorganic glaze coating, the conductive electrode layer is laminated on the front of the heating film layer, the conductive electrode layer is provided with a plurality of heating parts with different sheet resistances, the heating parts are located right below corresponding temperature areas, and the inorganic glaze coating covers the conductive electrode layer and is fixedly attached to the back of the glass substrate; the silica gel coating covers the back of the heating film layer. Through dividing a plurality of warm areas on the glass substrate to the cooperation conductive electrode layer has the different portions that generate heat of a plurality of sheet resistances, and a plurality of portions that generate heat are located corresponding warm area under, make the temperature difference in each warm area, in order to supply the user to select suitable warm area to heat the article, for the use has brought the facility.

Description

Multi-temperature-zone glass substrate heating device

Technical Field

The utility model belongs to the technical field of the device that generates heat and specifically relates to indicate a multi-temperature-zone glass substrate device that generates heat.

Background

The glass substrate heating device generally uses a glass substrate as a panel, a heating element is built in the glass substrate heating device, and heat generated by the heating element is transmitted to the outside through the glass substrate to heat an article. Because the glass substrate is a poor thermal conductor, namely only the part of the glass substrate facing the heating element has heat, and the rest part of the glass substrate has almost no heat, however, the current glass substrate heating device generally has only one temperature zone, and a user cannot select different temperature zones to heat an article according to actual needs, so that the glass substrate heating device is inconvenient to use. Therefore, there is a need for an improved glass substrate heating device.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide a multi-temperature-zone glass substrate heating device, which can effectively solve the problem of inconvenient use of the existing glass substrate heating device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-temperature-zone glass substrate heating device comprises a glass substrate, a heating body, a silica gel coating and a mica sheet; the front surface of the glass substrate is provided with a plurality of temperature zones; the heating body is fixed on the back of the glass substrate in an overlapped mode, the heating body comprises a heating film layer, a conductive electrode layer and an inorganic glaze coating, the conductive electrode layer is laminated on the front of the heating film layer, the conductive electrode layer is provided with a plurality of heating parts with different sheet resistances, the heating parts are located right below corresponding temperature areas, and the inorganic glaze coating covers the conductive electrode layer and is fixedly attached to the back of the glass substrate; the silica gel coating covers on the back of the heating film layer, and the mica sheet is attached and fixed on the back of the silica gel coating.

Preferably, the glass substrate is a glass ceramic substrate, a high borosilicate glass substrate, a quartz glass substrate or a toughened glass substrate.

As a preferable scheme, the plurality of heating parts are connected together in series, and the conductive electrode layer is connected with two lead terminals, and the two lead terminals both extend out of the mica sheet.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

through dividing a plurality of warm areas on the glass substrate to the cooperation conductive electrode layer has the different portions that generate heat of a plurality of sheet resistances, and a plurality of portions that generate heat are located corresponding warm area under, make the temperature difference in each warm area, in order to supply the user to select suitable warm area to heat the article, for the use has brought the facility.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic cross-sectional view of a preferred embodiment of the present invention;

FIG. 2 is a schematic front view of a preferred embodiment of the present invention;

FIG. 3 is a schematic front view of a heating element according to a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. glass substrate 11, temperature zone

20. Heating element 21 and heating film layer

22. Conductive electrode layer 221, heat generating part

23. Inorganic glaze coating 30, silica gel coating

40. Mica sheet 50, lead ends.

Detailed Description

Referring to fig. 1 to 3, a specific structure of a preferred embodiment of the present invention is shown, which includes a glass substrate 10, a heating element 20, a silica gel coating 30 and a mica sheet 40.

The front surface of the glass substrate 10 is provided with a plurality of temperature zones 11; in this embodiment, the glass substrate 10 is a microcrystalline glass substrate, a high borosilicate glass substrate, a quartz glass substrate, or a tempered glass substrate, and the like, without limitation, the number of the temperature zones 11 is four, two of the temperature zones have the same temperature and are high temperature zones, the other two temperature zones 11 have the same temperature and are low temperature zones, and the temperature zone with the higher temperature is low.

The heating element 20 is fixed on the back of the glass substrate 10 by overlapping, the heating element 20 comprises a heating film layer 21, a conductive electrode layer 22 and an inorganic glaze coating 23, the conductive electrode layer 22 is overlapped on the front of the heating film layer 21, the conductive electrode layer 22 is provided with a plurality of heating parts 221 with different sheet resistances, the heating parts 221 are positioned right below the corresponding temperature zone 11, and the inorganic glaze coating 23 covers the conductive electrode layer 22 and is fixed with the back of the glass substrate 10 by attaching.

The silica gel coating 30 covers the back of the heating film layer 21 to realize good waterproof function, and water is prevented from being transferred from the front to the back of the product; the mica sheet 40 is fixed on the back of the silica gel coating 30 in a fitting manner, and the mica sheet 40 is used for playing roles of insulation and heat insulation.

And, the plurality of heating portions 221 are connected together in series, and the conductive electrode layer 22 is connected with two lead terminals 50, and the two lead terminals 50 both extend out of the mica sheet 40 to facilitate the connection of external circuits.

Detailed description the working principle of the present embodiment is as follows:

when the lead terminal 50 is used, the lead terminal is connected with an external circuit, after the power supply is connected, the heating parts 221 of the conductive electrode layer 22 are electrified and generate heat, the heat generated by the heating parts is transmitted to the corresponding temperature areas 11 through the inorganic glaze coating 23, so that the articles placed on the corresponding temperature areas 11 are heated, the temperature of each temperature area 11 is different due to different sheet resistances of the heating parts 221, the user can select the proper temperature area 11 to heat the articles, and the mica sheet 40 can isolate the heat and cannot transmit the heat to the back of the products.

The utility model discloses a design focus lies in: through dividing a plurality of warm areas on the glass substrate to the cooperation conductive electrode layer has the different portions that generate heat of a plurality of sheet resistances, and a plurality of portions that generate heat are located corresponding warm area under, make the temperature difference in each warm area, in order to supply the user to select suitable warm area to heat the article, for the use has brought the facility.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a multi-temperature-zone glass substrate device that generates heat which characterized in that: comprises a glass substrate, a heating body, a silica gel coating and a mica sheet; the front surface of the glass substrate is provided with a plurality of temperature zones; the heating body is fixed on the back of the glass substrate in an overlapped mode, the heating body comprises a heating film layer, a conductive electrode layer and an inorganic glaze coating, the conductive electrode layer is laminated on the front of the heating film layer, the conductive electrode layer is provided with a plurality of heating parts with different sheet resistances, the heating parts are located right below corresponding temperature areas, and the inorganic glaze coating covers the conductive electrode layer and is fixedly attached to the back of the glass substrate; the silica gel coating covers on the back of the heating film layer, and the mica sheet is attached and fixed on the back of the silica gel coating.

2. The multi-temperature-zone glass substrate heating device according to claim 1, characterized in that: the glass substrate is a microcrystalline glass substrate, a high borosilicate glass substrate, a quartz glass substrate or a toughened glass substrate.

3. The multi-temperature-zone glass substrate heating device according to claim 1, characterized in that: the heating parts are connected together in series, the conductive electrode layer is connected with two lead ends, and the two lead ends extend out of the mica sheet.