CN212339382U

CN212339382U - Electric heating module

Info

Publication number: CN212339382U
Application number: CN202020877743.8U
Authority: CN
Inventors: 任其昌; 王兰兰; 邓满姣; 袁凯杰; 张谦; 夏占斌
Original assignee: Grahope New Materials Technologies Inc
Current assignee: Grahope New Materials Technologies Inc
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-12
Anticipated expiration: 2030-05-22

Abstract

The present disclosure relates to an electric heating module. The electric heating module comprises a multi-channel pipeline component (1), an electric heating element (2) and a flow direction control end (3), wherein the electric heating element (2) is arranged on the outer surface of the multi-channel pipeline component (1), the flow direction control end (3) is provided with an opening for fluid to come in and go out, the flow direction control end (3) is hollow inside, and the flow direction control end (3) is arranged at the end part of the multi-channel pipeline component (1). The graphene electric heating module is simple in structure and convenient to disassemble, and parts can be cleaned or replaced easily. Through changing the flow direction control end, change the flow direction of liquid in whole pipeline, improve heating efficiency.

Description

Electric heating module

Technical Field

The present disclosure relates to an electric heating field, especially relates to an electric heating module.

Background

With the national policy of energy conservation and emission reduction and the global wide attention on low-carbon economy, the electric heating is a most promising way to replace the traditional combustion heating such as coal-carbon heating. The electric heating is a heating mode or equipment which converts electric energy into heat energy to directly release heat or meets the heating requirement by circulating a heat medium in a heating pipeline. The electric energy is the most environment-friendly and clean energy at present because of the advantages of no noise, no waste gas and the like, so the electric heating becomes the best choice for people to heat.

However, to completely replace the conventional combustion heating using coal, there are some problems to be solved, such as increasing the heating efficiency to reduce the energy consumption and optimizing the overall heating system structure to reduce the heating cost. At present, common electric heating modes such as electric oil heaters, PTC ceramic electric heaters, resistance wires, electric black film electric heaters and the like all have the problems of high energy consumption, low heating efficiency, potential safety hazards and the like.

In addition, for a large heating system for a building, the structure of the heating system is also a great problem that affects heating efficiency and heating cost. At present, an electric heating boiler is mostly adopted, then water is heated by the boiler, and hot water is supplied to a required space through a water heating pipeline. But the electric heating boiler heating system has slow hot start speed and higher required electric heating power. Meanwhile, the heating system has a complex structure, high processing cost, difficult maintenance and high maintenance cost, so that the heating cost of the whole system is increased.

SUMMERY OF THE UTILITY MODEL

The technical problem that this disclosure will solve is that, current electric heating energy consumption is high, heating efficiency is low, and boiler heating system structure is complicated, with high costs.

The present invention provides an electrical heating module comprising a multichannel tubing assembly, an electrical heating element, and a flow control tip. Simple structure, detachable design makes to wash cost of maintenance convenient and fast, effective reduce cost.

Specifically, the present disclosure proposes the following technical solutions:

some embodiments of this disclosure provide an electric heat heating module, electric heat heating module includes multichannel pipe fitting, electric heating element and flow direction control end, electric heating element set up in multichannel pipe fitting's surface, the flow direction control end is equipped with the opening that supplies the fluid to come in and go out, the inside cavity of flow direction control end, the flow direction control end install in multichannel pipe fitting's tip.

Optionally, in the above embodiment, parallel tube walls are provided in the multichannel tube component to form a plurality of parallel tubes.

Optionally, in the foregoing embodiment, parallel baffles are disposed in the flow direction control end, or a plurality of small flow control holes are disposed on an end surface of the flow direction control end, which is connected to the multichannel pipe component.

Optionally, in the above embodiment, the baffle is disposed to be connected to only one end of the tube wall at intervals, so that after the flow direction control end and the multichannel tube member are installed, the tubes form a series connection: when the left end of one pipe wall is connected with a baffle, the right end of the pipe wall is not connected with the baffle, the right end of the other pipe wall adjacent to the pipe wall is connected with the other baffle, and the left end of the other pipe wall is not connected with the baffle; or when the right end of one pipe wall is connected with the baffle, the left end of the pipe wall is not connected with the baffle, the left end of the other pipe wall adjacent to the pipe wall is connected with the other baffle, and the left end of the other pipe wall is not connected with the baffle;

or the flow control small holes are in one-to-one correspondence with the pipelines, so that after the flow direction control end head and the multi-channel pipeline part are installed, the pipelines are connected in parallel, and the aperture of each flow control small hole is smaller than the inner diameter of each pipeline.

Optionally, in the above embodiment, the flow direction control end is provided with a liquid inlet or a liquid outlet, the multi-channel pipeline component is of a flat structure, and the electric heating element is arranged on a flat surface.

Optionally, in the above embodiments, the electric heating element is selected from a graphene transparent electric heating film, a graphene black film, a carbon fiber electric heating film and/or an electric heating wire.

Optionally, in the above embodiment, the electric heating element is a graphene transparent electric heating film, the graphene transparent electric heating film includes a graphene heating layer, an electrode and an insulating protective layer, the graphene heating layer is a graphene film, the electrode is disposed on the surface of the graphene heating layer, and the insulating protective layer sandwiches the graphene heating layer and the electrode.

Optionally, in the above embodiment, the insulating protective layer is flexible or rigid.

Optionally, in the above embodiment, the graphene electrothermal film is provided with a temperature sensor, and the temperature sensor contacts the graphene film.

Optionally, in the above embodiment, the flow direction control head and the multichannel tube member are sealed by a sealing member.

The beneficial effects of this disclosure include:

1. the electric heating module disclosed by the invention is simple in structure and convenient to disassemble, so that parts are easy to clean or replace.

2. The removable flow direction control end of this electric heat heating module of disclosure changes the flow direction of liquid in whole pipeline, improves heating efficiency.

3. In some embodiments of this disclosure, electric heat heating module adopts the transparent electric heat membrane of graphite alkene as electric heating element, compares traditional heating material and can greatly reduce the electric heat energy consumption, improves heat supply efficiency for hot start speed, solves the potential safety hazard scheduling problem of traditional heating material.

Drawings

Fig. 1 is an exploded schematic view of a heat supply module according to embodiment 1 of the present disclosure;

FIG. 2 is a schematic view of the interior of a heating module according to embodiment 1 of the disclosure;

FIG. 3 is a schematic liquid flow diagram of a heating module according to example 1 of the present disclosure;

FIG. 4 is an exploded schematic view of a heating module according to embodiment 2 of the present disclosure;

FIG. 5 is an internal schematic view of a heating module according to embodiment 2 of the disclosure;

FIG. 6 is a schematic liquid flow diagram of a heating module according to example 2 of the present disclosure;

in the figure: 1-multichannel pipeline part, 11-pipe wall, 12-pipeline, 2-electric heating element, 3-control end, 31-baffle, 32-flow control small hole, 33-liquid outlet small hole, 34-liquid inlet, 35-liquid outlet and 36-liquid inlet small hole.

Detailed Description

The technical scheme of the disclosure is clearly and completely described in the following with reference to the accompanying drawings. Obviously, all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the specific embodiments in the present disclosure belong to the protection scope of the present disclosure.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure.

In the description of the present disclosure, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

Unless otherwise specified, the terms "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure.

The term "graphene" refers to a two-dimensional carbon nanomaterial in which only one layer of carbon atoms is hexagonal in a honeycomb lattice with sp2 hybridized orbitals, including doped or undoped graphene.

The utility model provides an electric heat heating module, heating module includes multichannel pipeline part, electric heating element, flow direction control end, electric heating element set up in multichannel pipeline part's surface, flow direction control end is equipped with the opening that supplies the fluid to come in and go out, flow direction control end install in multichannel pipeline part's tip. The flow direction control end and the multi-channel pipeline are detachable, and can be detached regularly to remove dirt, so that the pipeline is prevented from being blocked, individual parts can be replaced, the maintenance difficulty and the maintenance cost of the heating device are reduced, and the service life of the whole heating device can be prolonged.

In some embodiments of the present disclosure, parallel tube walls are provided in the multichannel tube assembly to form a plurality of parallel tubes, and a baffle is provided in the flow direction control end to connect the tubes in series or in parallel after the flow direction control end and the multichannel tube assembly are installed. Through setting up the inside different structure of liquid flow direction control end, adjust liquid flow direction and liquid velocity of flow to make full use of generates heat the module heat, make liquid flow through can rapid heating up behind this electric heat heating module.

In some embodiments of the disclosure, the baffle is disposed in spaced connection with only one end of the tube wall: when the left end of one pipe wall is connected with a baffle, the right end of the pipe wall is not provided with the baffle, the right end of the other pipe wall adjacent to the pipe wall is connected with the other baffle, and the left end of the other pipe wall is not provided with the baffle; or when the right end of one pipe wall is connected with the baffle, the left end of the pipe wall is connected without the baffle, the left end of the other pipe wall adjacent to the pipe wall is connected with the other baffle, and the left end of the other pipe wall is connected without the baffle. After the flow control end is mounted to the multichannel tube assembly, the tubes form a series connection. The liquid inlet and the liquid outlet of the electric heating module are respectively positioned at the diagonal positions of the electric heating module. Set up the inlet and stagger with the liquid outlet, the one-way multichannel that meanders of liquid flows in the pipeline to it is longer to make liquid be heated the time, and the heated area is bigger, because this mode liquid intensifies faster.

In some embodiments of the disclosure, the electric heating element is a graphene transparent electric heating film, which can realize rapid temperature rise to 90-180 ℃ under low power, the graphene film has high thermal conductivity and rapid thermal conduction, reaches 5300W/m.k, is the material with the highest thermal conductivity so far, and is more than 10 times higher than the traditional metal material, so that rapid heating under low power consumption can be realized, and rapid heat supply under low power consumption can be realized. The graphene transparent electric heating film is surface-shaped, even in heating, and the failure mode is automatic power-off due to the fact that the microstructure is disconnected, and compared with failure modes caused by local high temperature of other film materials, the film is safer and has no potential safety hazards such as ignition.

In some embodiments of the present disclosure, the graphene transparent electrothermal film includes a graphene heating layer, an electrode and an insulating protective layer, the graphene heating layer is a graphene film, the electrode is disposed on the surface of the graphene heating layer, and the insulating protective layer sandwiches the graphene heating layer and the electrode. The insulating protective layer material can be flexible substrates such as PET, PEN and PI, rigid substrates such as glass, sapphire and silicon wafers, or a mixture of the flexible substrates and the rigid substrates. The electrodes include one or more interdigitated electrodes and bus bars. The electrode material may be silver, copper, gold, etc.

Alternatively, the graphene transparent electrothermal film can be prepared by the method disclosed in CN 105517215B. The graphene film generates heat similar to resistance heating, the heating power of the graphene film can be changed by changing the voltage or current, and therefore the heating power of the transparent graphene electrothermal film can be controlled in a conventional mode of controlling the resistance heating power. The temperature of the graphene transparent electrothermal film is very easy to control, and can be controlled by adjusting the voltage at two ends of the graphene transparent electrothermal film or adjusting the power-on time of the graphene transparent electrothermal film.

Example 1

As shown in fig. 1, 2 and 3, the electrothermal heating module of the present embodiment includes a multichannel pipe member 1 and a graphene transparent electrothermal film 2, wherein two ends of the multichannel pipe member 1 are screwed with flow direction control ends 3, and are sealed by electronic sealing rings. Two parallelly connected graphite alkene electric heat membranes 2 constitute graphite alkene transparent electric heat module, paste the upper and lower surface at multichannel pipe fitting 1 through high heat conduction sticky. A plurality of parallel tube walls 11 are provided in the multichannel tube member 1 to form flat and long parallel tubes 12, the channel width of each tube 12 is about 2cm, and the tube wall 11 is about 2mm thick. The flow direction control end 3 is provided with an opening for fluid to enter and exit: one side of the flow direction control end 3 is an external liquid interface to form a liquid inlet 34 and a liquid outlet 35 of the installed electric heating module, and the other side is an interface connected with the multichannel pipeline part 1.

Fig. 3 shows the direction of liquid flow in the electro-thermal heating module, after the flow direction control head 3 is connected with the multichannel tube assembly 1, the tubes in the multichannel tube assembly 1 are connected in series. Liquid outlet 35 and inlet 34 are located the diagonal position of electric heat heating module, and flow direction control end 3 has set up parallel baffle 31, and baffle 31 and pipe wall 11 are connected according to the connected mode interval among the figure 3, and liquid is flowing in the pipeline and is flowed the increase and realize the heating area and the heating time extension of liquid to make full use of heat energy realizes the rapid heating of liquid.

The specific working mode is as follows: the liquid flows in from the liquid inlet 34, flows in a meandering curve in accordance with the direction of the arrow, and finally flows out through the liquid outlet 35. Cold water flows into the inlet 34 and hot water flows out of the outlet 35. The flow rate of the liquid can be controlled by controlling the water pump in the external water storage tank. The heating rate of the electric heating module to liquid can be comprehensively controlled by adjusting the power, the liquid flow rate, the number of the pipelines 12 and the size of the graphene transparent electric heating modules on the upper surface and the lower surface of the pipelines.

Example 2

As shown in fig. 4, 5 and 6, in the electric heating module of the present embodiment, only the flow direction control head 3 in embodiment 1 is replaced, so that the parallel tubes 12 in the multichannel tube member 1 are connected in parallel after the flow direction control head 3 and the multichannel tube member 1 are connected. The flow direction control end 3 is provided with an opening for fluid to enter and exit: one side of the flow direction control end 3 is an external liquid interface to form a liquid inlet small hole 36 and a liquid outlet small hole 33 of the installed electric heating module, the other side of the flow direction control end 3 is an end face connected with the multi-channel pipeline part 1, the flow direction control end 3 is provided with a plurality of flow control small holes 32 on the end face, and the positions of the flow control small holes 32 correspond to the pipelines 12 in the multi-channel pipeline part 1 one by one. The aperture of the small flow control hole 32 is smaller than the inner diameter of the pipeline 12, and the flow direction control end 3 is of a hollow structure and can buffer water pressure.

Fig. 6 shows the direction of liquid flow in the electro thermal heating module, after the flow direction control head 3 is connected to the multichannel tube assembly 1, the tubes 12 in the multichannel tube assembly 1 are connected in parallel.

The specific working mode is as follows: the liquid flows in from the liquid inlet small hole 36 at one side of the electric heating module, flows into the liquid multi-way pipeline component 1 according to the arrow direction in fig. 6, and finally flows out through the liquid outlet small hole 33. The liquid speed and flow can be adjusted by changing the size of the flow control small hole 32 of the liquid flow control end head 3, and the liquid flow rate can also be adjusted by an external water pump. The electric heating module can regulate and control the liquid heating rate through the power of the graphene transparent electric heating module, the liquid flow rate, the number of the pipelines 12 and the size.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an electric heat heating module, its characterized in that, electric heat heating module includes multichannel pipe part (1), electric heating element (2) and flow direction control end (3), electric heating element (2) set up in the surface of multichannel pipe part (1), flow direction control end (3) are equipped with the opening that supplies the fluid to come in and go out, flow direction control end (3) inside cavity, flow direction control end (3) install in the tip of multichannel pipe part (1).

2. An electrothermal heating module according to claim 1, wherein the multichannel tube member (1) has parallel tube walls (11) therein forming a plurality of parallel tubes (12).

3. An electrothermal heating module according to claim 2, wherein parallel baffles (31) are provided in the flow direction control head (3), or the flow direction control head (3) is provided with a plurality of flow control orifices (32) at the end face connected to the multichannel tube member (1).

4. An electrothermal heating module according to claim 3, wherein the baffle (31) is arranged in spaced connection with only one end of the tube wall (11) such that, when the flow control head (3) and multichannel tube member (1) are installed, the tubes (12) form a series connection: when the left end of one pipe wall (11) is connected with a baffle (31), the right end of the pipe wall (11) is not connected with the baffle (31), the right end of the other pipe wall (11) adjacent to the pipe wall (11) is connected with the other baffle (31), and the left end of the other pipe wall (11) is not connected with the baffle (31); or when the right end of a certain pipe wall (11) is connected with the baffle (31), the left end of the pipe wall (11) is not connected with the baffle (31), the left end of another pipe wall (11) adjacent to the pipe wall (11) is connected with another baffle (31), and the left end of the other pipe wall (11) is not connected with the baffle (31);

or the flow control small holes (32) are in one-to-one correspondence with the pipelines (12), so that the pipelines (12) are connected in parallel after the flow control end heads (3) and the multichannel pipeline component (1) are installed, and the aperture of each flow control small hole (32) is smaller than the inner diameter of each pipeline (12).

5. An electrothermal heating module according to claim 1, wherein the flow direction control head (3) is provided with a liquid inlet (34) or a liquid outlet (35), the multichannel tube part (1) is of a flat structure, and the electric heating element (2) is arranged on a flat surface.

6. Electrothermal heating module according to claim 1, wherein the electric heating element (2) is selected from a graphene transparent electrothermal film, a graphene black film, a carbon fiber electrothermal film and/or a heating wire.

7. The electrothermal heating module according to claim 6, wherein the electric heating element (2) is a graphene transparent electrothermal film, the graphene transparent electrothermal film comprises a graphene heating layer, an electrode and an insulating protective layer, the graphene heating layer is a graphene thin film, the electrode is arranged on the surface of the graphene heating layer, and the insulating protective layer sandwiches the graphene heating layer and the electrode.

8. The electrothermal heating module of claim 7, wherein the insulating protective layer is flexible or rigid.

9. The electrothermal heating module of claim 8, wherein the graphene transparent electrothermal film is provided with a temperature sensor, the temperature sensor contacting the graphene thin film.

10. An electrothermal heating module according to claim 1, wherein the flow direction control head (3) and the multichannel tube member (1) are sealed by a seal.