CN217037482U

CN217037482U - From heat-generating body, module, cup courage structure that generate heat of taking temperature monitoring

Info

Publication number: CN217037482U
Application number: CN202220190125.5U
Authority: CN
Inventors: 朱达明
Original assignee: Dongguan Hexinjia Electronic Technology Co ltd
Current assignee: Dongguan Hexinjia Electronic Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-22
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a heating body with a temperature monitoring function, which comprises a base material, a first insulating layer, a heating layer, a second insulating layer, a third insulating layer and a resistance induction layer for monitoring temperature, wherein the resistance induction layer is arranged on the third insulating layer; the substrate is made of a metal material, and the first insulating layer is arranged on the surface of the substrate; the heating layer or the resistance induction layer is arranged on the surface of the first insulation layer, the second insulation layer is arranged on the surface of the heating layer or the resistance induction layer, the resistance induction layer or the heating layer is arranged on the surface of the second insulation layer, and the third insulation layer is arranged on the surface of the resistance induction layer or the heating layer; the temperature monitoring device provided by the utility model can monitor the temperature of the heating layer through the resistance value change of the resistance sensing layer, thereby effectively preventing the heating layer from being damaged due to overhigh temperature, so that the temperature rise condition of the heating layer can be fed back in time, the monitoring is more sensitive, the structural reliability is higher, meanwhile, the whole area of the heating layer can be monitored by utilizing the resistance sensing layer, and the monitoring precision is higher and more accurate compared with the structural mode of adopting a temperature controller.

Description

From heat-generating body, module, cup courage structure that generate heat of taking temperature monitoring

Technical Field

The utility model relates to the technical field of heating, in particular to a heating body with a temperature monitoring function.

Background

In the prior art, the temperature of a heating element is often monitored by an external temperature controller in contact with the surface of the heating element; however, in the actual use process, the temperature controller has a delay, a low sensitivity and even a failure, which often causes the heating element to be damaged due to an over-high temperature, and the structural reliability is low.

Disclosure of Invention

The utility model aims to overcome the defects and provide a heating body with a temperature monitor.

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

a heating body with a temperature monitoring function comprises a base material, a first insulating layer, a heating layer, a second insulating layer, a third insulating layer and a resistance sensing layer for monitoring temperature; the substrate is made of a metal material, and the first insulating layer is arranged on the surface of the substrate;

the heating layer is arranged on the surface of the first insulating layer, the second insulating layer is arranged on the surface of the heating layer, the resistance sensing layer is arranged on the surface of the second insulating layer, and the third insulating layer is arranged on the surface of the resistance sensing layer; or the resistance induction layer is arranged on the surface of the first insulation layer, the second insulation layer is arranged on the surface of the resistance induction layer, the heating layer is arranged on the surface of the second insulation layer, and the third insulation layer is arranged on the surface of the heating layer.

Further, the metal material is any one of iron, aluminum, stainless steel and copper.

The heating layer or the resistance induction layer is printed and sintered on the first insulating layer through a nano rare earth material, and the resistance induction layer or the heating layer is printed and sintered on the second insulating layer through a nano rare earth material;

the sintering temperature of the heating layer and the resistance induction layer is 800-900 ℃ or 500-600 ℃.

Furthermore, the thickness of the heating layer is 8-20um, and the thickness of the resistance induction layer is 8-20 um.

The third insulating layer is provided with an electrode layer, and the electrode layer is respectively and correspondingly electrically connected with the heating layer and the resistance sensing layer.

Further, the thickness of the second insulating layer is 35-150 μm.

Further, the substrate is in a shape of a circular tube or a disk.

The utility model also provides an instant heating type heating module, which comprises a water inlet end, a water outlet end and the round tubular heating body, wherein the water inlet end and the water outlet end are respectively arranged at two end parts of the heating body.

The utility model also provides a cup liner structure for the electric heating water cup, which comprises a cup body and the disc-shaped heating body, wherein the heating body is arranged at the bottom of the cup body and forms a water storage container together with the cup body.

The beneficial effects of the utility model are as follows: according to the utility model, the temperature of the heating layer is monitored by the structural mode of arranging the resistance sensing layer and the change of the resistance value of the resistance sensing layer, so that the heating layer is effectively prevented from being damaged due to overhigh temperature, the temperature rise condition of the heating layer can be fed back in time, the monitoring is more sensitive, the structural reliability is higher, meanwhile, the resistance sensing layer can be used for monitoring the whole area of the heating layer, and compared with the structural mode of adopting a temperature controller, the monitoring precision is higher and more accurate.

Drawings

FIG. 1 is an exploded view schematically showing a heating element according to a first embodiment of the present invention;

FIG. 2 is a schematic view showing how a heating element according to a first embodiment of the present invention is produced;

FIG. 3 is an exploded perspective view of a heating element according to a second embodiment of the present invention;

description of reference numerals: 1. a substrate; 2. a first insulating layer; 3. a heat generating layer; 4. a second insulating layer; 5. a third insulating layer; 6. a resistance sensing layer; 7. and an electrode layer.

Detailed Description

The utility model will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the utility model.

The first embodiment is as follows: as shown in fig. 1 and fig. 2, the heating element with temperature monitoring according to the present embodiment includes a substrate 1, a first insulating layer 2, a heating layer 3 and a second insulating layer 4, wherein the substrate 1 is made of a metal material, the first insulating layer 2 is disposed on the surface of the substrate 1, the heating layer 3 is disposed on the surface of the first insulating layer 2, and the second insulating layer 4 is disposed on the surface of the heating layer 3; the temperature monitoring device is characterized by further comprising a third insulating layer 5 and a resistance sensing layer 6 used for monitoring temperature, wherein the resistance sensing layer 6 is arranged on the surface of the second insulating layer 4, and the third insulating layer 5 is arranged on the surface of the resistance sensing layer 6.

In this embodiment, specifically, the base material 1 is preferably made of a metal material such as iron, aluminum, stainless steel or copper, and has high temperature resistance and good heat conduction performance, and can conduct heat generated by the heating layer 3 in time for heating. In the embodiment, the shape of the substrate 1 can be freely set according to the design requirements of actual products, and the substrate 1 is set to be disc-shaped and used on an electric heating water cup; of course, the substrate 1 can also be arranged into a circular tube shape for being used in an instant heating type water dispenser.

During the in-service use, layer 3 that generates heat works and generates heat, the heat transfer that produces is to substrate 1 on, substrate 1 with heat conduction to the external heated article on, thereby realize the heating effect, the change of layer 3 temperature that generates heat simultaneously arouses the resistance change of resistance induction layer 6, through the automatically controlled induction signal who catches resistance induction layer 6 in the external world, the real-time resistance value on monitoring induction resistance layer, when monitoring induction resistance layer's real-time resistance value and surpassing predetermined threshold value, the power supply of layer 3 that generates heat is cut off to external automatically controlled, in order to prevent that the temperature on layer 3 that generates heat is overheated and lead to generating heat layer 3 and damage, the structure is more reliable.

This embodiment is through setting up the structural style of resistance response layer 6 to the resistance value through resistance response layer 6 changes and realizes monitoring the temperature on layer 3 that generates heat, thereby effectively prevent to generate heat layer 3 because of the high temperature damage, so more can in time feed back the temperature rise condition on layer 3 that generates heat, it is more sensitive to monitor, structural reliability is higher, utilize resistance response layer 6 can also monitor layer 3 total areas that generate heat simultaneously, compare in the structural style who adopts the temperature controller, the monitoring precision is higher, more accurate.

In the heating element with temperature monitoring described in this embodiment, the heating layer 3 is printed and sintered on the first insulating layer 2 through a nano rare earth material, and the resistance sensing layer 6 is printed and sintered on the second insulating layer 4 through a nano rare earth material; specifically, first insulating layer 2, second insulating layer 4, third insulating layer 5 all set up through the printing sintering mode, so, make overall structure thickness littleer, connect more firmly between each layer for resistance induction layer 6 is more sensitive to the temperature variation response of layer 3 that generates heat.

In this embodiment, the resistance PPM of the resistance sensing layer 6 is larger than the resistance PPM of the heating layer 3, so that the resistance sensing layer 6 is more sensitive to temperature change.

In the heating unit with temperature monitoring, the sintering temperatures of the heating layer 3 and the resistance induction layer 6 are both 800-900 ℃ or 500-600 ℃; specifically, according to the proportion and the components of the actual slurry, when high-temperature sintering is adopted, the temperature is 800-900 ℃; or when low-temperature sintering is adopted, the temperature is 500-600 ℃.

This embodiment from heat-generating body of taking temperature monitoring, specifically, the thickness on layer 3 that generates heat is 8-20um, the thickness on resistance induction layer 6 is 8-20 um.

In the heating element with temperature monitoring of this embodiment, the third insulating layer 5 is provided with the electrode layer 7, and the electrode layer 7 is electrically connected to the heating layer 3 and the resistance sensing layer 6 correspondingly; so through setting up electrode layer 7 for the wiring on layer 3 and the resistance induction layer 6 that generate heat is more convenient, and overall structure is also more pleasing to the eye.

In the heating element with temperature monitoring of the present embodiment, the thickness of the second insulating layer 4 is 35 to 150 μm; the thickness of the second insulating layer 4 is set within the range of 35-150 mu m, so that the insulation between the heating layer 3 and the resistance sensing layer 6 can be realized, the temperature monitoring and monitoring precision of the heating layer 3 by the resistance sensing layer 6 can be ensured, and the sensitivity of the resistance sensing layer 6 is ensured.

Example two: as shown in fig. 3, the present embodiment is different from the first embodiment in that: the resistance induction layer 6 is arranged on the surface of the first insulating layer 2, the second insulating layer 4 is arranged on the surface of the resistance induction layer 6, the heating layer 3 is arranged on the surface of the second insulating layer 4, and the third insulating layer 5 is arranged on the surface of the heating layer 3; specifically, the resistance induction layer 6 is printed and sintered on the first insulating layer 2 through a nano rare earth material, and the heat generation layer 3 is printed and sintered on the second insulating layer 4 through a nano rare earth material; the rest of the structure is the same as the first embodiment.

This embodiment is through setting up substrate 1 with resistance induction layer 6 and generating heat between the layer 3 to make the heat that generates heat layer 3 and produce must be conducted to substrate 1 after resistance induction layer 6 earlier, thereby make resistance induction layer 6 higher to the temperature monitoring precision on layer 3 that generates heat, generate heat the real-time temperature on layer 3 more truly reactively, thereby reliably avoid generating heat the high temperature on layer 3 and damage.

Based on the first embodiment and the second embodiment, the embodiment further provides an instant heating type heating module, which comprises a water inlet end, a water outlet end and the round-tube-shaped heating body, wherein the water inlet end and the water outlet end are respectively installed at two ends of the heating body. During the in-service use, rivers heat rivers in getting into the heat-generating body from the end of intaking, rivers after being heated flow from the play water end, so set up, use safe and reliable more.

Based on the first embodiment and the second embodiment, the embodiment further provides a cup liner structure for the electric heating water cup, which comprises a cup body and the disc-shaped heating body, wherein the heating body is arranged at the bottom of the cup body and forms a water storage container with the cup body. When the water heater is actually used, water is put into the water storage container, and then the heating body heats the water in the water storage container; so set up, use safe and reliable more.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims

1. A heating body with a temperature monitoring function is characterized by comprising a substrate (1), a first insulating layer (2), a heating layer (3), a second insulating layer (4), a third insulating layer (5) and a resistance sensing layer (6) for monitoring temperature; the base material (1) is made of a metal material, and the first insulating layer (2) is arranged on the surface of the base material (1);

the heating layer (3) is arranged on the surface of the first insulating layer (2), the second insulating layer (4) is arranged on the surface of the heating layer (3), the resistance sensing layer (6) is arranged on the surface of the second insulating layer (4), and the third insulating layer (5) is arranged on the surface of the resistance sensing layer (6); or, the resistance induction layer (6) is arranged on the surface of the first insulation layer (2), the second insulation layer (4) is arranged on the surface of the resistance induction layer (6), the heating layer (3) is arranged on the surface of the second insulation layer (4), and the third insulation layer (5) is arranged on the surface of the heating layer (3).

2. A heat-generating body with temperature monitoring of itself as described in claim 1, characterized in that said metallic material is any one of iron, aluminum, stainless steel, copper.

3. A heat-generating body with self temperature monitoring as claimed in claim 1, characterized in that the heat-generating layer (3) or the resistance-sensing layer (6) is sintered on the first insulating layer (2) by nano rare earth material printing, and the resistance-sensing layer (6) or the heat-generating layer (3) is sintered on the second insulating layer (4) by nano rare earth material printing;

the sintering temperatures of the heating layer (3) and the resistance induction layer (6) are both 800-900 ℃ or 500-600 ℃.

4. A heat-generating body with self temperature monitoring as described in claim 1, characterized in that the thickness of the heat-generating layer (3) is 8-20um, and the thickness of the resistance sensing layer (6) is 8-20 um.

5. A heating body with temperature monitoring function as in claim 1, characterized in that an electrode layer (7) is provided on the third insulating layer (5), and the electrode layer (7) is electrically connected with the heating layer (3) and the resistance sensing layer (6) correspondingly.

6. A heat-generating body with temperature monitoring according to claim 1, characterized in that the thickness of the second insulating layer (4) is 35 to 150 μm.

7. A heat-generating body with self temperature monitoring as described in any one of claims 1 to 6, characterized in that the substrate (1) is in a circular tube shape.

8. A heat-generating body with self temperature monitoring as described in any one of claims 1 to 6, characterized in that the substrate (1) is in a disk shape.

9. An instant heating type heating module is characterized by comprising a water inlet end, a water outlet end and the heating body according to claim 7, wherein the water inlet end and the water outlet end are respectively arranged at two ends of the heating body.

10. A glass liner structure for an electric heating glass, which is characterized by comprising a glass body and a heating element according to claim 8, wherein the heating element is arranged at the bottom of the glass body and forms a water storage container with the glass body.