CN212649727U

CN212649727U - Graphite alkene heating pad

Info

Publication number: CN212649727U
Application number: CN202020840777.XU
Authority: CN
Inventors: 张志衡; 刘致远
Original assignee: Shenzhen Qianli Innovation Technology Co ltd
Current assignee: Shenzhen Qianli Innovation Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-03-02
Anticipated expiration: 2030-05-19

Abstract

The utility model provides a graphene heating pad, which comprises a heating layer, a heat conduction layer and a control mechanism; the heating layer is arranged in the heat conduction layer; the heating layer comprises a graphene heating layer and a flexible circuit board, and the control mechanism comprises a PCBA board, a temperature sensing line, a temperature indicating lamp and a switch; the temperature indicating lamp and the switch are arranged on the PCBA, and the temperature sensing wire is electrically connected to the PCBA and arranged on the heating layer or the heat conduction layer; PCBA board outside still is equipped with upper cover plate and lower apron, the upper cover plate be equipped with the switch with the through-hole that the temperature indicator lamp corresponds. The utility model provides a graphite alkene heating pad that heat conductivility is good, heat conduction is even, heat time is fast and safety and stability, easily controls the temperature of generating heat and the time of generating heat when using simultaneously.

Description

Graphite alkene heating pad

Technical Field

The utility model relates to a heating pad field, in particular to graphite alkene heating pad.

Background

The heating pad is a common object in daily life of people, the traditional heating mode is resistance heating, and metal blocks or other conventional media are adopted for heat conduction, but the heating pad has the defects of long heating time and uneven heating. Therefore, people's requirements for the heating pad focus on considering the thermal conductivity and safety of the heating pad, and how to improve the thermal conductivity, accelerate the heat conduction time, maintain the safety and stability of the heating pad, and facilitate the use becomes the development direction of the heating pad.

Graphene is a material with the highest heat conductivity coefficient so far, has very good heat-conducting property, and is stable and safe in heating. Under the condition that electrodes at two ends of the graphene heating layer are electrified, carbon molecules in the electric heating film generate phonons, ions and electrons in the resistor, generated carbon molecular groups rub and collide with each other (also called Brownian motion) to generate heat energy, and the heat energy is uniformly radiated out in a plane mode through far infrared rays with the wavelength controlled between 5 and 14 micrometers. The utility model discloses aim at fine utilization graphite alkene generate heat the layer generate heat and the heat conduction advantage to combine other spare parts to control the temperature and the time of generating heat together.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a graphite alkene heating pad aims at solving present heating pad and has longer and the uneven problem of heating of intensification time.

In order to achieve the above purpose, the graphene heating pad provided by the utility model comprises a heating layer, a heat conduction layer and a control mechanism; the heating layer is arranged in the heat conduction layer; the heating layer comprises a graphene heating layer and a flexible circuit board, and the control mechanism comprises a PCBA board, a temperature sensing line, a temperature indicating lamp and a switch; the temperature indicating lamp and the switch are arranged on the PCBA, and the temperature sensing wire is electrically connected to the PCBA and arranged on the heating layer or the heat conduction layer; PCBA board outside still is equipped with upper cover plate and lower apron, the upper cover plate be equipped with the switch with the through-hole that the temperature indicator lamp corresponds.

Preferably, the heat conducting layer is a silica gel layer or a rubber layer.

Preferably, there are left chock, right chock in the left and right both sides of PCBA board.

Preferably, the PCBA board is arranged on one side of the heat conduction layer.

Preferably, the temperature indicating lamp comprises a plurality of lamp posts, and the plurality of lamp posts are sequentially arranged on the PCBA plate to form a lamp strip.

Preferably, the lighting length of the light bar is changed according to the change of the temperature detected by the temperature sensing line.

Preferably, the switch also adjusts the heating power of the graphene heating layer.

Preferably, the switch is a knob switch or a key switch.

Preferably, the control mechanism further comprises a timer disposed on the PCBA plate to control the heating time of the graphene heating layer.

The utility model discloses technical scheme is through utilizing the generating heat and the heat conduction advantage of graphite alkene sheet material to combine temperature sensing line, lamp pole and shift knob to control the temperature and the time of generating heat together, realized that the heating time is fast and safety and stability, easily control the temperature of generating heat and the function of the time of generating heat when using simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a graphene heating mat according to the present invention;

fig. 2 is a schematic view of an exploded structure of a graphene heating mat according to the present invention;

the reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

For realizing heating pad rapid heating and safety and stability, easily control the temperature of generating heat and the function of the time of generating heat when concurrent operation uses, the utility model discloses utilize graphite alkene to generate heat the layer generate heat and the heat conduction advantage to combine control mechanism to control the temperature and the time of generating heat together.

Referring to fig. 1 and fig. 2, the present invention provides a graphene heating mat, which includes a heating layer, a heat conduction layer 1 and a control mechanism 2; the heating layer is arranged in the heat conduction layer 1; the heating layer comprises a graphene heating layer 3 and a flexible circuit board 4, and the control mechanism comprises a PCBA (printed circuit board assembly) plate 5, a temperature sensing wire 6, a temperature indicating lamp and a switch 7; the temperature indicator lamp and the switch 7 are arranged on the PCBA board 5, and the temperature sensing wire 6 is electrically connected to the PCBA board 5 and arranged on the heating layer or the heat conduction layer 1; PCBA board 5 outside still is equipped with upper cover plate 8 and lower apron 9, upper cover plate 8 be equipped with switch 7 with the through-hole 10 that the temperature indicator lamp corresponds.

The PCBA board 5 is arranged on one side edge of the heat conduction layer 1; the upper cover plate 8 and the lower cover plate 9 enclose to form a cavity, and the PCBA 5 is accommodated in the cavity; the PCBA board 5 left and right sides still is equipped with left chock 11, right chock 12 respectively to the shutoff the both ends of cavity.

The utility model discloses a heat-conducting layer 1, including graphite alkene heat generation layer 3, flexible circuit board 4, PCBA 5, heat-conducting layer 1, graphite alkene heat generation layer 3 and flexible circuit board 4 locate in heat-conducting layer 1, graphite alkene heat generation layer 3 electricity is connected flexible circuit board 4, temperature sensing wire 6 electricity connect in PCBA board 5 is located graphite alkene heat generation layer 3 or heat-conducting layer 1 or graphite alkene heat generation layer 3 with between the heat-conducting layer 1.

The flexible circuit board 4 is attached to the graphene heating layer 3 and is electrically connected with the control mechanism 2; the temperature sensing line 6 is provided with a plurality of temperature sensors to detect the instant temperature of the graphene heating layer 3 or the heat conduction layer 1. The control mechanism 2 controls the starting of the temperature indicating lamp according to the temperature detected by the temperature sensing line 6.

The temperature indicating lamp comprises a plurality of lamp posts 13, the lamp posts 13 are sequentially arranged on the PCBA board 5 to form a lamp strip, the lighting length of the lamp strip changes according to the change of the temperature detected by the temperature sensing line 6, and when the instant temperature detected by the temperature sensing line 6 reaches the maximum preset temperature, the indicating lamp is all lighted. Control mechanism 2 still includes the time-recorder, the time-recorder sets up on the PCBA board is in order to control the heating time of graphite alkene zone of heating.

The utility model discloses technical scheme passes through graphite alkene in the heat-conducting layer 1 generates heat layer 3 electricity and conducts heat, make full use of graphite alkene generates heat layer 3 generate heat and heat conduction advantage to heat-conducting layer 1 heats fast and evenly, thereby makes quick and even the intensification of heating pad to required temperature, avoids appearing the emergence of the local overheated condition. The lighting length of the lamp strip changes according to the change of the temperature detected by the temperature sensing line 6, and the instant temperature of the heating pad is intuitively reflected. In addition, the timer sets up in order to control on the PCBA board 5 the heating time of graphite alkene zone of heating owing to can control the temperature and the time of generating heat to the safety and the stability of heating pad have been improved.

For more even and quick heat conduction, in an embodiment of the utility model the heat-conducting layer 1 adopts the silica gel layer or has the rubber layer of good heat conductivility. In other embodiments, other materials can be used for the heat conductive layer 1, such as plastic, wood, metal, etc.

In a specific embodiment, the switch 7 is implemented as a knob switch, and the knob switch starts the graphene heating pad to heat by rotating a knob, and controls the heating power by rotating the knob. In order to control the heating time, the switch comprises a knob switch for controlling the heating power and a knob switch for controlling the heating time, and the knob switch for controlling the heating time is connected with a timer to control the heating time. In other embodiments, the switch 7 may be a key switch.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A graphene heating pad is characterized by comprising a heating layer, a heat conduction layer and a control mechanism; the heating layer is arranged in the heat conduction layer; the heating layer comprises a graphene heating layer and a flexible circuit board, and the control mechanism comprises a PCBA board, a temperature sensing line, a temperature indicating lamp and a switch; the temperature indicating lamp and the switch are arranged on the PCBA, and the temperature sensing wire is electrically connected to the PCBA and arranged on the heating layer or the heat conduction layer; PCBA board outside still is equipped with upper cover plate and lower apron, the upper cover plate be equipped with the switch with the through-hole that the temperature indicator lamp corresponds.

2. The graphene heating mat of claim 1, wherein the thermally conductive layer is a silicone layer.

3. The graphene heating mat of claim 1, wherein there are left and right chocks on the left and right sides of the PCBA board.

4. The graphene heating pad of claim 1, wherein the PCBA is disposed on one side of the heat conductive layer.

5. The graphene heating mat of claim 1, wherein the temperature indicating lamp comprises a plurality of lamp posts, and the plurality of lamp posts are sequentially arranged on the PCBA plate to form a lamp strip.

6. The graphene heating mat of claim 5, wherein the length of the light bar that illuminates varies according to a change in temperature detected by the temperature sensing line.

7. The graphene heating mat according to claim 6, wherein the switch is a rotary switch or a push-button switch.

8. The graphene heating mat of claim 6, wherein the control mechanism further comprises a timer disposed on the PCBA board to control a heating time of the graphene heating layer.

9. The graphene heating mat according to claim 1, wherein the switch further adjusts a heating power of the graphene heat generating layer.