CN214727825U

CN214727825U - Heating picture adopting spiral graphene

Info

Publication number: CN214727825U
Application number: CN202120013644.XU
Authority: CN
Inventors: 杨永胜; 王刚; 张金秋; 刘统; 冯小强; 贺正毅
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-11-16
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses an adopt heating of heliciform graphite alkene to draw, including drawing board, casing and graphite alkene heater group, be provided with the heating chamber in the middle of the casing, graphite alkene heater group installs in the heating chamber, and the leading flank of casing is provided with the installing port that communicates to the heating chamber, and the drawing board dismouting is in installing port department, and graphite alkene heater group includes a plurality of graphite alkene heater, and graphite alkene heater is the heliciform, sets up the through-hole on the inner wall in heating chamber, and graphite alkene heater group's both ends are provided with two first wires, and two first wires pass the through-hole and are connected to the power outside the heating chamber with the electricity.

Description

Heating picture adopting spiral graphene

[ technical field ] A method for producing a semiconductor device

The utility model relates to an adopt heating of heliciform graphite alkene to draw belongs to heating and draws the field.

[ background of the invention ]

As a new type of decoration, the market demand of the heating picture is gradually expanding. Some of these heating devices have used graphene as an electrical heating element. In order to heat the graphene rapidly, thereby increasing the heating power density of the graphene and improving the heating capacity of the heating picture to the environment, a higher voltage needs to be applied to the graphene, which leads to a potential safety problem.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide the heating of the higher heliciform graphite alkene of security is drawn.

Solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an adopt heating of heliciform graphite alkene to draw, including the drawing board, casing and graphite alkene heater group, be provided with the heating chamber in the middle of the casing, graphite alkene heater group installs in the heating intracavity, the leading flank of casing is provided with the installing port that communicates to the heating chamber, the drawing board dismouting is in installing port department, graphite alkene heater group includes a plurality of graphite alkene heater, graphite alkene heater is the heliciform, set up the through-hole on the inner wall in heating chamber, graphite alkene heater group's both ends are provided with two first wires, two first wires pass the through-hole with the electricity be connected to the power outside the heating chamber.

The utility model has the advantages that:

the graphite alkene heater is realized generating heat in the heating intracavity through first wire and power after the circular telegram, then in with heat transfer to the environment through the drawing board. The spiral graphene heater has a good heat gathering effect, small heat loss in the temperature rising process and higher heating speed, so that higher heating power density is obtained, and the heating picture can be used for heating the environment more efficiently. Meanwhile, the voltage required to be applied to the graphene heater in the temperature rising process is small, so that the safety and the temperature rising efficiency are high.

Graphite alkene heater's shape is two-dimentional spiral, heats the intracavity and is provided with two mounting panels, and mounting panel and the inner wall dismouting cooperation in heating chamber, graphite alkene heater clamp are tightly between two mounting panels.

The tip that first wire is located the heating intracavity also presss from both sides tightly between two mounting panels.

Graphite alkene heater's quantity has a plurality ofly, establishes ties in proper order through the second wire between the graphite alkene heater, and the second wire presss from both sides tightly between two mounting panels.

The drawing board surface is provided with the thermochromic layer.

The utility model discloses two mounting panels are first mounting panel and second mounting panel respectively, and first mounting panel is located between second mounting panel and the drawing board, and first mounting panel is adjacent to the one side of drawing board and is provided with the fin, and fin and thermochromic layer position correspond.

The outer wall indent of casing is provided with the control panel in order to form the control chamber, the control intracavity, and the through-hole communicates to the control chamber, and first wire electricity is connected to the control panel, and the opening part in control chamber is provided with the chamber lid, and the control panel electricity is connected with temperature sensor and comparator, and temperature sensor installs on the drawing board medial surface, and temperature sensor is located between fin and the drawing board medial surface, installs the coupler on the control panel, and the chamber is covered to be provided with and dodges the mouth, and the coupler is located dodges a mouthful department.

Temperature sensor is wireless temperature sensor, and the drawing board medial surface is provided with the sensor support, and temperature sensor clamps on the sensor support.

The drawing board includes the lid and dismouting in the canvas of lid surface, and the thermochromic layer is located the canvas, and the canvas passes through the lid to be installed in installing port department, and sensor support quantity has a plurality ofly, and sensor support sets up the medial surface at the lid with the array form, and the one side that first support plate is adjacent to the drawing board is provided with a plurality of heat dissipation support of arranging with the array form, and the fin dismouting is on heat dissipation support, and heat dissipation support corresponds with sensor support.

The material of the shell is thermal insulation material.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is an exploded schematic view of a heating picture according to an embodiment of the present invention;

fig. 2 is a schematic front view of a second supporting plate according to an embodiment of the present invention;

fig. 3 is a schematic front view of a second supporting plate according to a comparative example of the present invention;

fig. 4 is a temperature rise curve of the graphene heater group of the embodiment and the comparative example under 8V bias;

fig. 5 is a temperature rise curve of graphene heater groups according to embodiments and comparative examples of the present invention at a bias of 10V;

fig. 6 is a temperature rise curve of graphene heater groups according to embodiments and comparative examples of the present invention under a bias of 12V;

fig. 7 is a temperature reduction curve of a graphene heater group at 60 ℃ in the embodiments and comparative examples of the present invention at room temperature.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Example (b):

referring to fig. 1-2, the present embodiment provides a heating drawing using spiral graphene, including a drawing board, a housing 1, and a graphene heater group.

In the embodiment, the housing 1 is substantially a rectangular box, the heating cavity 4 is arranged in the middle of the housing 1, and the front side surface of the housing 1 is provided with a mounting opening communicated to the heating cavity 4. The drawing board comprises a cover body 2 and a canvas 3 which is assembled on the outer surface of the cover body 2, for example, different canvases 3 can be replaced on the outer surface of the cover body 2 by assembling and disassembling screws. Graphite alkene heater group installs to heating chamber 4 in via the installing port, and 2 dismouting of lid are in installing port department to seal the installing port, canvas 3 installs in installing port department through lid 2. The graphene heater group generates heat after being electrified in the heating cavity 4, so that the heat is transferred to the canvas 3 through the cover body 2.

The graphene heater group of the embodiment includes two graphene heaters 5, the graphene heaters 5 are graphene films, the graphene heaters 5 are spiral-shaped, the inner ends of the two graphene heaters 5 are connected in series through a second wire (not shown in the figure), and the second wire is avoided through a gap between the spirals. The outer end of graphite alkene heater 5 is provided with first wire 12, is provided with two through-holes 6 on the inner wall of heating chamber 4, and two first wires 12 on two graphite alkene heaters 5 pass two through-holes 6 respectively to the electricity is connected to the power outside heating chamber 4, thereby makes two graphite alkene heaters 5 circular telegram generate heat.

In order to support and locate soft graphite alkene heater 5, graphite alkene heater 5 is two-dimentional spiral helicine spiral type heating strip, be provided with two mounting panels in the heating chamber 4, two mounting panels are first mounting panel 7 and second mounting panel 8 respectively, use second mounting panel 8 as the substrate, graphite alkene heater 5 preparation is on second mounting panel 8, and install the second wire, then compress tightly by first mounting panel 7, first mounting panel 7 and the cooperation of second mounting panel 8 press from both sides graphite alkene heater 5 and second wire tightly, then adopt the bolt to lock first mounting panel 7 and second mounting panel 8, avoid graphite alkene heater 5 and second wire to move between first mounting panel 7 and second mounting panel 8, guarantee the contact stability between second wire and graphite alkene heater 5 the inner. In addition, the first support plate 7 and the second support plate 8 clamp the ends of the first conducting wires 12 in the heating chamber 4, so that the contact stability between the ends of the two first conducting wires 12 and the outer ends of the two graphene heaters 5 is ensured.

The first bracket plate 7 and the second bracket plate 8 are made of insulating materials to avoid the occurrence of short circuit. The first support plate 7 and the second support plate 8 are also disassembled and assembled on the inner wall of the heating cavity 4, and the first support plate 7 and the second support plate 8 are positioned by the inner wall of the heating cavity 4. In addition, the first conducting wire 12 and the second conducting wire are both heat-resistant conducting wires, and the cover body 2 is made of heat-conducting materials.

The surface of canvas 3 is provided with thermochromic layer 11, and heat along with the production of graphite alkene heater 5 in the heating chamber 4 conducts to canvas 3 through lid 2, and thermochromic layer 11 on the canvas 3 changes colour gradually, and the heating is drawn and can also be increased self interest when heating the environment.

First support plate 7 is located between second support plate 8 and lid 2, and first support plate 7 is provided with fin 10 adjacent to the one side of lid 2 (also be simultaneously the one side that deviates from graphene heater 5), and fin 10 corresponds with thermochromic layer 11 position to reduce the interval between fin 10 and thermochromic layer 11. The heat generated by the graphene heater 5 is mainly concentrated at the position of the radiating fin 10 and conducted to the thermochromic layer 11, so that the temperature of the surface of the canvas 3 at the thermochromic layer 11 is increased as soon as possible, and the thermochromic layer 11 is favorably discolored as soon as possible.

The rear side outer wall indent of casing 1 is in order to form the control chamber, and through-hole 6 communicates to the control chamber, is provided with the control panel in the control chamber, and the tip of first wire 12 passes and reachs the control intracavity behind through-hole 6, then is connected with the control panel electricity in the control chamber, installs the coupler on the control panel, and after coupler and supply socket coupling, the control panel just can supply power to graphite alkene heater 5. In addition, a cavity cover is arranged at the opening of the control cavity, the control panel can be prevented from falling out of the control cavity by the cavity cover, and the control panel can be maintained after the cavity cover is opened. The housing 1 is made of heat insulating material, so that the heat in the heating chamber 4 can be reduced from being conducted to the control board in the control chamber, and the control board is prevented from being over-heated. The cavity cover is provided with an avoiding port, and the coupler is positioned at the avoiding port, so that the coupler is coupled with the power socket under the condition that the cavity cover is not opened.

The control panel electricity is connected with temperature sensor and comparator, and the comparator is installed on the control panel, and the medial surface of lid 2 is provided with the sensor support, and temperature sensor clamps on the sensor support, is supported the location by the sensor support to temperature sensor. Temperature sensor is located between 2 medial surfaces of fin 10 and lid, and temperature sensor transmits the temperature signal of fin 10 department to the control panel, and the control panel compares this temperature signal transmission to the comparator, and the comparator sends out the signal to the control panel when fin 10 department temperature surpasss the numerical value of predetermineeing of comparator, and the control panel is based on the signal that the comparator sent promptly cuts off the power supply to graphite alkene heater 5, avoids graphite alkene heater 5 further to heat, prevents that heating chamber 4 interior spare part is impaired.

Preferably, the temperature sensor is a wireless temperature sensor, and the temperature sensor is wirelessly connected to the control board, so as to avoid adding extra wires in the heating chamber 4.

The position of thermochromic layer 11 is also different on the canvas 3 of difference, in order to avoid deviating too much between canvas 3 change back fin 10 and temperature sensor and new thermochromic layer 11, the sensor support quantity of this embodiment has a plurality ofly, the sensor support sets up the medial surface at lid 2 with the array form, the temperature sensor dismouting is on one of them sensor support, first support plate 7 is adjacent to the one side of lid 2 and is provided with a plurality of heat dissipation support 9 of arranging with the array form, heat dissipation support 9 corresponds with the sensor support position, fin 10 dismouting is on one of them heat dissipation support 9. The array form of the present embodiment is a rectangular array corresponding to the shape of the first stand plate 7 and the cover 2.

After the canvas 3 is replaced, the radiating fins 10 are detached from the original radiating support 9, then the radiating fins are mounted on the new radiating support 9 which is closest to the new thermochromic layer 11, meanwhile, the temperature sensor is also detached from the original sensor support, then the radiating fins are mounted on the new sensor support corresponding to the new radiating support 9, and the cover body 2 and the first support plate 7 are replaced while the canvas 3 is prevented from being replaced.

Comparative example:

referring to fig. 3, the present comparative example is different from the example in that the graphene heaters 5 on the second support plate 8 are square bar-shaped heating strips, and the upper ends of the two graphene heaters 5 are connected in series through a second conductive wire.

The graphene heaters 5 in the comparative example and the example each had a thickness of 1mm and a cross-sectional area of 0.5dm²Therefore, the cross-sectional area of the graphene heater group is 1dm²。

Referring to fig. 4 to 6, the second rack plate 8 of the example and comparative examples is now taken out of the heating chamber and the first rack plate is disassembled, the second conductive line is retained, and then the graphene heater groups of the example and comparative examples are respectively energized with voltages of 8V, 10V, and 12V, and the temperature on the graphene heater 5 is tested.

Under the same voltage condition, the spiral heating strip has a faster heating speed than the square heating strip, especially after heating for 10s, the heating speed of the square heating strip is obviously reduced, the reduction trend is especially obvious under the condition of 8V, and the heating limit of the square heating strip is about 33 ℃, so that the actual heating requirement of the heating picture is hardly met even if the square heating strip is applied to the heating picture. Under the condition of 8V, the temperature of the spiral heating strip is already raised to 50 ℃ in 10s, and the temperature can be further obviously raised in the subsequent heating process, so that the temperature raising requirement of the heating picture can be met under the condition of lower voltage when the spiral heating strip is applied to the heating picture, and the safety is higher.

Referring to fig. 7, the graphene heater 5 in the examples and comparative examples was heated to 60 ℃ by increasing the voltage, and then the temperature of the graphene heater 5 was tested to test the thermal insulation performance of the graphene heater 5. The cooling speed of the spiral heating strip is very slow, the temperature of the spiral heating strip is only reduced by about 1 ℃ after 6 seconds, the cooling speed of the square heating strip is very fast, and the temperature of the square heating strip is already reduced by 6 ℃ after 6 seconds, so that the spiral heating strip has more excellent heat insulation performance.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides an adopt heating of heliciform graphite alkene to draw, a serial communication port, including the drawing board, casing and graphite alkene heater group, be provided with the heating chamber in the middle of the casing, graphite alkene heater group installs in the heating chamber, the leading flank of casing is provided with the installing port that communicates to the heating chamber, the drawing board dismouting is in installing port department, graphite alkene heater group includes a plurality of graphite alkene heater, graphite alkene heater is the heliciform, set up the through-hole on the inner wall in heating chamber, graphite alkene heater group's both ends are provided with two first wires, two first wires pass the through-hole and are connected to the power outside the heating chamber with the electricity.

2. The heating picture adopting the spiral graphene as claimed in claim 1, wherein the graphene heater is in a two-dimensional spiral shape, two support plates are arranged in the heating chamber, the support plates are detachably matched with the inner wall of the heating chamber, and the graphene heater is clamped between the two support plates.

3. The heating picture using spiral graphene as claimed in claim 2, wherein the end of the first conducting wire in the heating chamber is also clamped between the two support plates.

4. The heating picture adopting the spiral graphene as claimed in claim 2, wherein the number of the graphene heaters is multiple, the graphene heaters are sequentially connected in series through second wires, and the second wires are clamped between the two support plates.

5. The heating picture adopting the spiral graphene as claimed in claim 2, wherein the outer surface of the drawing board is provided with a thermochromic layer.

6. The heating picture using spiral graphene according to claim 5, wherein the two supporting plates are a first supporting plate and a second supporting plate respectively, the first supporting plate is located between the second supporting plate and the drawing board, a heat sink is disposed on a side of the first supporting plate adjacent to the drawing board, and the heat sink corresponds to the thermochromic layer.

7. The heating picture adopting the spiral graphene as claimed in claim 6, wherein the outer wall of the casing is recessed to form a control cavity, a control panel is disposed in the control cavity, the through hole is communicated to the control cavity, the first wire is electrically connected to the control panel, a cavity cover is disposed at an opening of the control cavity, the control panel is electrically connected to a temperature sensor and a comparator, the temperature sensor is mounted on an inner side surface of the drawing board, the temperature sensor is located between the heat sink and the inner side surface of the drawing board, a coupler is mounted on the control panel, an avoiding opening is disposed on the cavity cover, and the coupler is located at the avoiding opening.

8. The heating picture adopting the spiral graphene as claimed in claim 7, wherein the temperature sensor is a wireless temperature sensor, a sensor support is arranged on the inner side surface of the drawing board, and the temperature sensor is clamped on the sensor support.

9. The heating picture adopting the spiral graphene as claimed in claim 8, wherein the drawing board comprises a cover body and a plurality of canvas arranged on the outer surface of the cover body in an assembling mode, the thermochromic layer is located on the canvas, the canvas is arranged at the mounting opening through the cover body, the number of the sensor supports is multiple, the sensor supports are arranged on the inner side surface of the cover body in an array mode, a plurality of radiating supports arranged in an array mode are arranged on one surface, adjacent to the drawing board, of the first support plate, radiating fins are arranged on the radiating supports in an assembling mode, and the radiating supports correspond to the sensor supports.

10. The heating picture using the spiral graphene as claimed in claim 7, wherein the casing is made of a heat insulating material.