CN107642815A - A kind of heater and heating system - Google Patents

Abstract

The invention relates to the field of heating equipment and heating, in particular to a heating device and a heating system. It includes a heating cavity and an electric heating film arranged in the heating cavity; the heating cavity is used to hold a liquid heat transfer medium, and the heating cavity is provided with an inlet and an outlet of the liquid heat transfer medium; the electric The heating film is used to heat the liquid heat conduction medium in the heating cavity. In the heating device provided by the present invention, the heating cavity is filled with a liquid heat-conducting medium, which effectively increases the surface area, so that the electric heating film can quickly heat the liquid heat-conducting medium to a higher temperature and achieve the purpose of rapid temperature rise; the electric heating film is used as a heating element, Fast heating and high safety.

Description

A heating device and a heating system

technical field

The invention relates to the field of heating equipment and heating, in particular to a heating device and a heating system.

Background technique

With the development of society and the improvement of people's living standards, people pay more and more attention to a high-quality living environment. In the field of heating, the traditional heating method is to use coal for heating, which will emit a large amount of carbon dioxide, sulfur dioxide and other acid gases and solid particles, causing environmental pollution. In order to further control air pollution, improve the structure of energy consumption, and improve the living environment, the country has vigorously called for the adoption of new heating methods to replace traditional coal heating. Therefore, from the perspectives of environmental protection, pollution-free, and renewable, it is urgent to find a clean, safe, comfortable and reliable heating method to meet the needs of people's production and life.

In view of this, the present invention is proposed.

Contents of the invention

The first object of the present invention is to provide a heating device with high heating efficiency, energy saving and high safety.

The second object of the present invention is to provide a heating system, which has high heating efficiency, fast heating speed, high safety, energy saving and environmental protection.

In order to realize the above-mentioned purpose of the present invention, special adopt following technical scheme:

A heating device, comprising a heating cavity and an electric heating film arranged in the heating cavity;

The heating cavity is used to contain a liquid heat transfer medium, and the heating cavity is provided with an inlet and an outlet of the liquid heat transfer medium;

The electric heating film is used to heat the liquid heat conduction medium in the heating chamber.

In the heating device provided by the present invention, the heating cavity is filled with liquid heat-conducting medium, which effectively increases the surface area, so that the electric heating film can quickly heat the liquid heat-conducting medium to a higher temperature and achieve the purpose of rapid temperature rise; the electric heating film is used as a heating element, Fast heating and high safety. When the liquid heat conduction medium is water, the far-infrared heating effect is activated by the electric heating film, and the large-molecular water is decomposed into small-molecular water by far-infrared waves, that is, "active water". The active water can dissipate heat more effectively, and the active water The gas content is low, which greatly reduces the corrosion of metals and reduces the phenomenon of rusting.

Preferably, the electric heating film adopts one or more of the following arrangements in the heating cavity: arranged side by side, in a spiral shape, in an S shape, in a W shape, in a labyrinth structure, and in a serpentine shape.

Further, the axial direction of the electric heating film is consistent with the direction of water flow in the heating cavity.

Further, there are more than two electric heating films arranged in the heating cavity.

Further, the electric heating film is arranged on the inner wall of the heating cavity.

Further, the electric heating film includes a graphene electric heating film, a carbon fiber electric heating film, and a carbon crystal electric heating film. The main heating material of the graphene electric heating film is graphene, and the main heating material of the carbon fiber electric heating film is carbon fiber. The main heating material of the carbon crystal electric heating film is carbon crystal. Of course, the electric heating film can also be an electric heating film made of a new heating material formed by any combination of the above heating materials.

Preferably, the electric heating film includes one or more parallel heating strips sealed in the upper and lower layers of heat-resistant protective film. The heating strips can be graphene heating strips, carbon fiber heating strips, and carbon crystal heating strips. The heating strips are connected in parallel through conductive metal foils.

Preferably, a silver paste electrode strip is also arranged between the heating strip and the conductive metal foil.

Preferably, the conductive metal foil is copper foil.

Further, the heat-resistant protective films are heat-compressed and/or glued.

Preferably, the heat-resistant protective film is at least one of epoxy resin glass fiber board, silica gel film and polyimide film.

Further, the inner wall of the heating cavity is provided with a slot or a clamping plate for fixing the electric heating film.

Preferably, the inlet and the outlet are located at both ends of the heating cavity.

Preferably, the heating cavity is in the form of a circle, an ellipsoid, a bicone, a cuboid, a cube and an irregular body.

Preferably, the inner wall of the heating cavity is coated with a heat reflective layer.

Preferably, an insulation layer is provided on the outer wall of the heating cavity.

Further, the heat insulation layer and the outer wall of the heating chamber are connected by one or more of socket bonding, hot-melt connection, flange connection, clamp connection, welding, screw connection, and screw connection.

The present invention also provides a heating system, comprising the above-mentioned heating device and heat dissipation device, wherein the heating device and the heat dissipation device are communicated through pipes and form a circulation loop.

The heating system provided by the present invention has simple devices and convenient operation, which improves user experience; heats up quickly and has high safety; replaces the traditional way of heating with coal and charcoal, and is clean, environmentally friendly and pollution-free.

Further, the heating system further includes a power device, and the power device is preferably a circulation pump.

Further, the power device is arranged in front of the heating device.

Further, the heat dissipation device includes cast iron radiators, steel column radiators, steel plate radiators, steel socket welding radiators, pure copper radiators, copper-aluminum composite radiators, steel-aluminum composite radiators, One or more of cast aluminum radiators, electric radiators, and vacuum superconducting radiators;

Further, the pipe is selected from one or more of metal pipes, polyethylene pipes, polypropylene pipes, polybutene pipes, polyvinyl chloride pipes, and aluminum-plastic composite pipes. The metal pipes include copper pipes, iron pipes and alloy pipes.

Preferably, the heat dissipation device is provided with a temperature sensor, and the heating device is provided with an intelligent switch, and the intelligent switch is used to receive a signal from the temperature sensor and control the heating device.

The top and the bottom of the heat sink are provided with temperature sensors, and the intelligent switch is also used to control the power unit.

Further, the intelligent switch is an intelligent gear switch.

Further, different gear positions of the intelligent gear switch correspond to different numbers of the electric heating films.

Further, the present invention also provides a water heater using the above-mentioned heating device.

Compared with prior art, the beneficial effect of the present invention is:

(1) The heating device provided by the present invention uses an electric heating film as a heating element, which has fast heating speed, high safety, and is conducive to the generation of active water.

(2) The electric heating heating system provided by the present invention has simple device and convenient operation, which improves the user experience.

(3) An electric heating heating system provided by the present invention replaces the traditional way of heating with coal and charcoal, and is clean, environmentally friendly and pollution-free.

(4) An electric heating heating system provided by the present invention adopts intelligent setting and intelligent operation, which is convenient for life and saves electricity.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic structural view of a heating device provided by an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of an electric heating film provided by an embodiment of the present invention;

3 is a schematic structural view of the heating device provided in Embodiment 1 of the present invention;

Fig. 4 is a schematic structural view of the heating device provided by Embodiment 2 of the present invention;

Fig. 5 is a schematic structural diagram of a heating device provided in Embodiment 3 of the present invention;

FIG. 6 is a schematic structural view of a heating device provided in Embodiment 4 of the present invention;

7 is a schematic cross-sectional view of a heating device provided in Embodiment 5 of the present invention;

Fig. 8 is a schematic structural diagram of a heating system provided by Embodiment 6 of the present invention.

Reference signs:

1-Heating cavity; 2-Heating cavity wall; 3-Electric heating film; 4-Heat reflection layer; 5-Insulation layer; 31-Heating strip; 32-Conductive metal foil; -heat-resistant protective film; 36-silver paste electrode strip; 37-hole; 6-heating device; 7-radiating device; 8-pipeline; 9-power device; 10-water inlet; 11-water outlet.

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but those skilled in the art will understand that the embodiments described below are some of the embodiments of the present invention, rather than all of them. It is only used to illustrate the present invention and should not be construed as limiting the scope of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. Those who do not indicate the specific conditions in the examples are carried out according to the conventional conditions or the conditions suggested by the manufacturer. The reagents or instruments used were not indicated by the manufacturer, and they were all conventional products that could be purchased from the market.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

A heating device provided by the present invention, as shown in FIG. 1 , includes a heating cavity 1 and an electric heating film 3 arranged in the heating cavity 1;

The heating cavity 1 is used to contain a liquid heat transfer medium, and the heating cavity 1 is provided with an inlet and an outlet of the liquid heat transfer medium;

The electric heating film 3 is used to heat the liquid heat conduction medium in the heating cavity 1 .

In the heating device provided by the present invention, the heating cavity 1 is filled with a liquid heat-conducting medium, which effectively increases the surface area, so that the electric heating film 3 can quickly heat the liquid heat-conducting medium to a higher temperature, thereby achieving the purpose of rapid temperature rise; the electric heating film 3 is used as Heating body, fast heating speed, high safety.

Wherein, the electric heating film includes a graphene electric heating film, a carbon fiber electric heating film, and a carbon crystal electric heating film.

The structure of the graphene electric heating film is shown in FIG. 2 . The electric heating film 3 includes one or more heating strips 31 arranged in parallel and sealed in two upper and lower heat-resistant protective films 35 .

Further, the heating strips 31 are connected in parallel through conductive metal foils 32 . One or more pairs of conductive metal foils 32 can be provided. Conductive metal foils 32 at both ends are respectively connected with wires 33, which are connected to the positive and negative poles of the power supply. Liquid heat transfer medium in body 1.

Preferably, the conductive metal foil 32 is copper foil.

Further, the heat-resistant protective films 35 are heat-compressed and/or glued.

Specifically, it can be prepared in the following manner: the heating strip 31 is covered on a layer of the heat-resistant protective film 35 by printing or coating, and the heat-resistant protective film 35 attached to the heating strip 31 is bonded by heat pressing. /or bonding with another layer of heat-resistant protective film 35 .

Preferably, the heat-resistant protective film 35 is at least one of epoxy resin glass fiber board, silica gel film and polyimide film. Epoxy resin fiberglass board and silicone membrane have good waterproof and high temperature resistance.

Further, a silver paste electrode strip 36 is also arranged between the heating strip 31 and the conductive metal foil 32 . The conductivity of silver is better than that of copper, but it is expensive. Setting the silver paste electrode strips 36 can disperse the current density, and can also ensure good contact between the copper foil and the heating strip 31 . The adhesive plaster 34 is used for fixing the conductive metal foil 32 and the heating strip 31 .

In the present invention, one or more electric heating films 3 can be installed in the heating cavity 1, and the electric heating films 3 can be installed on the wall or suspended in the air; the electric heating films 3 can be installed individually or together. The electric heating films 3 can be arranged side by side (as shown in FIG. 1 ), or can be arranged in a spiral shape (as shown in FIG. 3 ), S-shape, W-shape, labyrinth structure or serpentine shape.

Further, the electric heating film 3 adopts one or more of the following arrangements in the heating chamber 1: arranged side by side, spiral, S-shaped, W-shaped, labyrinth and serpentine.

Further, the axial direction of the electric heating film 3 is consistent with the direction of water flow in the heating cavity 1 . The electric heating film 3 communicates with the heating chamber 1 so that the liquid heat-conducting medium is filled in the heating chamber 1 for heating.

Further, there are more than two electric heating films 3 arranged in the heating cavity 1 .

Further, the electric heating film 3 is arranged on the inner wall of the heating cavity 1 .

Specifically, the inner wall of the heating chamber 1 is provided with a slot or plate for fixing the electric heating film 3 for easy operation.

Further, the heating cavity 1 is in the form of a circle, an ellipsoid, a bicone, a cuboid, a cube and an irregular body.

Preferably, the inlet and the outlet are located at both ends of the heating cavity 1 .

The inlet and outlet are arranged at both ends of the heating cavity 1, so that the path of the liquid heat-conducting medium flowing through the heating cavity 1 is long, and the effect of sufficient heating can be achieved.

Preferably, as shown in FIG. 4 , the inner wall of the heating chamber 1 is coated with a heat reflective layer 4 . Because the electric heating film 3 of the present invention is heated by graphene, and the graphene has far-infrared rays, the heat-reflecting layer 4 is applied to prevent the waste of infrared rays.

In order to prevent heat loss, further, as shown in FIG. 5 , an insulating layer 5 is provided on the outer wall of the heating cavity 1 .

Further, the thermal insulation layer 5 and the outer wall of the heating cavity 1 adopt one or more of socket bonding, hot-melt connection, flange connection, clamp connection, welding, screw connection, and screw connection. .

Preferably, the heating device is also provided with an external interface. If the shower head can be connected through the external interface, it can be used as an electric water heater.

The present invention also provides a heating system, as shown in FIG. 6 , comprising the above-mentioned heating device 6 and heat dissipation device 7 , the heating device 6 and the heat dissipation device 7 communicate through a pipe 8 and form a circulation loop.

The heating system provided by the present invention has simple devices and convenient operation, which improves user experience; heats up quickly and has high safety; replaces the traditional way of heating with coal and charcoal, and is clean, environmentally friendly and pollution-free.

Further, the heating system also includes a power device 9 . The power unit 9 is used for the circulation of the liquid heat transfer medium. Preferably, the power device 9 is a circulating pump.

Further, the power device 9 is arranged in front of the heating device 6 .

Further, the heat dissipation device 7 includes cast iron radiators, steel column radiators, steel plate radiators, steel socket welding radiators, pure copper radiators, copper-aluminum composite radiators, steel-aluminum composite radiators , one or more of cast aluminum radiators, electric radiators, and vacuum superconducting radiators;

Further, the pipe 8 is selected from one or more of metal pipes, polyethylene pipes, polypropylene pipes, polybutylene pipes, polyvinyl chloride pipes, and aluminum-plastic composite pipes.

Preferably, the heat dissipation device 7 is provided with a temperature sensor, and the heating device 6 is provided with an intelligent switch, and the intelligent switch is used to receive a signal from the temperature sensor and control the heating device 6 . That is, by setting a temperature sensor on the cooling device 7, when the temperature was higher than a certain set temperature value, the smart switch on the heating device 6 was closed or in a low gear; when the temperature was lower than a certain set value, the smart switch on the heating device 6 The switch makes the heating device 6 start to work or raise the heating gear. This setting saves energy and better meets actual needs.

Preferably, temperature sensors are provided on the top and bottom of the cooling device 7 , and the smart switch is also used to control the power device 9 . That is, the temperature difference between the top and the bottom of the cooling device 7 determines whether to turn on the power device 9 or change the operating state of the power device 9 .

In the present invention, the liquid heat-conducting medium in the entire circulation loop in the heating system can circulate under the effect of the heat energy provided by the heating device 6 due to the temperature difference, that is, the self-circulating flow under the effect of its own temperature difference. When the temperature difference is greater than a certain set value, that is, when the heat dissipation cannot meet the requirements, the power device 9 can be automatically activated by the intelligent switch to increase the circulation speed, or the liquid heat transfer medium in the heating system flows slowly, and the heat dissipation cannot meet the requirements. The smart switch automatically speeds up the operating power of the power unit to increase cycle speed.

Further, the intelligent switch is an intelligent gear switch. The smart gear switch is generally set to low, middle and high gear, and more gears can also be set. By setting multiple gears, you can better control the power required for heating, provide users with multiple choices, and save power.

Further, different gear positions of the intelligent gear switch correspond to different numbers of the electric heating films 3 . With different gears corresponding to different numbers of electric heating films 3 , it is more convenient to control the number of electric heating films to be heated and save energy.

Further, the pipeline 8 may also be provided with an inlet and outlet device. The inlet and outlet device includes a water inlet 10 and a water outlet 11, the water inlet 10 is arranged at the connection between the pipeline and the power device and/or the connection between the pipeline and the heating device, and the water outlet 11 is arranged between the power device and the cooling device and/or the power device place.

Furthermore, in the heating system of the present invention, both ends of each device can be provided with external interfaces, so as to facilitate connection with other devices and increase usage.

The heating device in the present invention can also be used as a water heater, and the water heater can be set as an instant type or a common electric water heater according to the situation. Different types of electric water heaters are equipped with different numbers or different shapes of electric heating films according to the needs, or the shape of the water heater cavity is changed to correspond to the corresponding electric heating films to improve heating efficiency.

The structure of the heating device and the heating system are illustrated below with examples.

Example 1

A heating device, as shown in Figure 3, comprising a heating cavity 1 and an electric heating film 3 arranged in the heating cavity 1;

The heating cavity 1 is a closed cavity surrounded by the heating cavity wall 2, the heating cavity 1 is used to contain the liquid heat transfer medium, and the inlet and outlet of the liquid heat transfer medium are arranged on the wall of the heating cavity 1;

The electric heating film 3 in the heating cavity 1 is arranged in a spiral shape;

Optionally, the inner wall of the heating cavity 1 is also covered with one or more layers of electric heating film 3;

Optionally, the inner wall of the heating cavity 1 is coated with a heat reflective layer 4;

Optionally, an insulation layer 5 is provided on the outer wall of the heating chamber 1;

The electric heating film 3 is used to heat the liquid heat conduction medium in the heating cavity 1;

Optionally, the electric heating film is selected from one or more of graphene electric heating film, carbon fiber electric heating film, and carbon crystal electric heating film.

Example 2

A heating device, as shown in Figure 4, comprising a heating cavity 1 and an electric heating film 3 arranged in the heating cavity 1;

The heating cavity 1 is a closed cavity surrounded by the heating cavity wall 2, the heating cavity 1 is used to contain the liquid heat transfer medium, and the inlet and outlet of the liquid heat transfer medium are arranged on the wall of the heating cavity 1;

The electric heating film 3 in the heating cavity 1 is arranged in parallel;

The inner wall of the heating cavity 1 is coated with a heat reflective layer 4;

Optionally, the inner wall of the heating cavity 1 is also covered with one or more layers of electric heating film 3;

The electric heating film 3 is used to heat the liquid heat conduction medium in the heating cavity 1;

Optionally, the electric heating film is selected from one or more of graphene electric heating film, carbon fiber electric heating film, and carbon crystal electric heating film.

Example 3

A heating device, as shown in FIG. 5 , includes a heating chamber 1 and an electric heating film 3 disposed in the heating chamber 1;

The heating cavity 1 is a closed cavity surrounded by the heating cavity wall 2, the heating cavity 1 is used to contain the liquid heat transfer medium, and the inlet and outlet of the liquid heat transfer medium are arranged on the wall of the heating cavity 1;

The electric heating film 3 in the heating cavity 1 is arranged in parallel;

The inner wall of the heating cavity 1 is coated with a heat reflective layer 4, and the outer wall of the heating cavity 1 is provided with an insulating layer 5;

Optionally, the inner wall of the heating cavity 1 is also covered with one or more layers of electric heating film 3;

The electric heating film 3 is used to heat the liquid heat conduction medium in the heating cavity 1;

Optionally, the electric heating film is selected from one or more of graphene electric heating film, carbon fiber electric heating film, and carbon crystal electric heating film.

Example 4

A heating device, as shown in Figure 6, comprising a heating cavity 1 and an electric heating film 3 disposed in the heating cavity 1;

The heating cavity 1 is a closed cavity surrounded by the heating cavity wall 2, the heating cavity 1 is used to contain the liquid heat transfer medium, and the inlet and outlet of the liquid heat transfer medium are arranged on the wall of the heating cavity 1;

The electric heating film 3 in the heating cavity 1 extends from one side wall to the opposite side wall but is not connected to it. The electric heating films 3 on the opposite side walls are arranged in a staggered manner. S-shaped pathway;

Optionally, the inner wall of the heating cavity 1 is also covered with one or more layers of electric heating film 3;

Optionally, the inner wall of the heating cavity 1 is coated with a heat reflective layer 4;

Optionally, an insulation layer 5 is provided on the outer wall of the heating chamber 1;

The electric heating film 3 is used to heat the liquid heat conduction medium in the heating cavity 1;

Optionally, the electric heating film is selected from one or more of graphene electric heating film, carbon fiber electric heating film, and carbon crystal electric heating film.

Example 5

A heating device, as shown in Figure 7, comprising a heating chamber 1 and an electric heating film 3 disposed in the heating chamber 1;

The heating cavity 1 is a closed cavity surrounded by the heating cavity wall 2, the heating cavity 1 is used to contain the liquid heat transfer medium, and the inlet and outlet of the liquid heat transfer medium are arranged on the wall of the heating cavity 1;

The electric heating films 3 in the heating cavity 1 are arranged side by side in the heating cavity 1, and airtight cavities are formed between different electric heating films 3, wherein holes 37 are arranged on the same side of the electric heating films 3 arranged at intervals, so that The water flows out through the holes 37 on the sides of different electric heating membranes 3 in an S-shaped path, increasing the retention time of water in the heating chamber 1;

Wherein, there are one or more holes 37, generally fine and dense rows of holes 37 can be set;

Optionally, the inner wall of the heating cavity 1 is also covered with one or more layers of electric heating film 3;

Optionally, the inner wall of the heating cavity 1 is coated with a heat reflective layer 4;

Optionally, an insulation layer 5 is provided on the outer wall of the heating chamber 1;

The electric heating film 3 is used to heat the liquid heat conduction medium in the heating cavity 1;

Optionally, the electric heating film is selected from one or more of graphene electric heating film, carbon fiber electric heating film, and carbon crystal electric heating film.

Example 6

A heating system, as shown in FIG. 8 , includes the heating device 6 and the heat dissipation device 7 in the above embodiment, the heating device 6 and the heat dissipation device 7 communicate through a pipeline 8 and form a circulation loop;

The heating system also includes a power device 9, optionally, the power device 9 is a circulation pump, and the power device 9 is arranged in front of the heating device 6;

The pipeline 8 is provided with an inlet and outlet device. The inlet and outlet device includes a water inlet 10 and a water outlet 11. The water inlet 10 is arranged at the connection between the pipeline and the power unit, and the water outlet 11 is arranged between the power unit and the heat sink.

The cooling device 7 is provided with a temperature sensor, and the heating device 6 is provided with an intelligent switch, which is used to receive the signal sent by the temperature sensor and control the heating device 6, that is, by setting the temperature sensor on the cooling device 7, when the temperature is high At a certain temperature, the intelligent switch on the heating device 6 is turned off or at a low level, which saves energy and better meets actual needs;

Optionally, the top and the bottom of the cooling device 7 are provided with temperature sensors, and the smart switch is also used to control the power device 9, that is, the temperature difference between the top and the bottom of the cooling device 7 determines whether to turn on the power device 9 or change The operating state of the power unit 9.

Optionally, the smart switch is a smart gear switch. The smart gear switch is generally set to low, middle and high gear, and more gears can also be set. By setting multiple gears, you can better control the power required for heating and save power.

Optionally, different gear positions of the intelligent gear switch correspond to different numbers of the electric heating films 3, and through different gear positions corresponding to different numbers of the electric heating films 3, the heating of the electric heating films can be more conveniently controlled. number, saving energy.

Among them, the cooling device 7 includes cast iron radiators, steel column radiators, steel plate radiators, steel plug-welded radiators, pure copper radiators, copper-aluminum composite radiators, steel-aluminum composite radiators, cast aluminum radiators One or more of radiators, electric radiators, and vacuum superconducting radiators;

The pipe 8 is selected from one or more of metal pipes, polyethylene pipes, polypropylene pipes, polybutene pipes, polyvinyl chloride pipes, and aluminum-plastic composite pipes.

It should be noted that at last: above each embodiment is only in order to illustrate technical scheme of the present invention, and is not intended to limit; Although the present invention has been described in detail with reference to foregoing each embodiment, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. range.

Claims (10)

1. a kind of heater, it is characterised in that including heating cavity and the electric heating film being located in the heating cavity；

The heating cavity is used to contain liquid heat-conducting medium, and the heating cavity is provided with the import of the liquid heat-conducting medium And outlet；

The electric heating film is used to heat the liquid heat-conducting medium in the heating cavity.

2. heater according to claim 1, it is characterised in that the electric heating film uses in the heating cavity One or more settings in below：Be set up in parallel, twist, it is S types, W types, labyrinth structure, snakelike；

Further, the axial direction of the electric heating film is consistent with the direction of current in heating cavity；

Further, the electric heating film set in the heating cavity is more than 2；

Further, the electric heating film is set on the inwall of the heating cavity.

3. according to the heater described in claim any one of 1-2, it is characterised in that the electric heating film includes graphene electricity Heating film, carbon fiber electrical heating film, carbon crystal electric heating film；

Preferably, the hair that the one or more that the electric heating film includes being sealed in upper and lower two layers of heat-resisting protective film is arranged in parallel Hot bar, it is in parallel to pass through conductive metal foil between the heating strip；

Preferably, ag paste electrode bar is additionally provided between the heating strip and the conductive metal foil；

Preferably, the conductive metal foil is copper foil；

Further, it is hot pressing and/or splicing between the heat-resisting protective film；

Preferably, the heat-resisting protective film is at least one of epoxy resin fiberglass plate, pellosil, polyimide film.

4. according to the heater described in claim any one of 1-2, it is characterised in that the inwall of the heating cavity is provided with The neck or clamp of the fixed electric heating film；

Preferably, the import and the outlet are positioned at the both ends of the heating cavity；

Preferably, heat-reflecting layer is scribbled on the inwall of the heating cavity.

5. according to the heater described in claim any one of 1-2, it is characterised in that the outer wall of the heating cavity is provided with Heat-insulation layer；

Further, the heat-insulation layer uses socket joint bonding, hot-melt adhesive paste, flange to be connected, block with the outer wall of the heating cavity Bind round the one or more in connection, welding, screwed connection, threaded connection.

A kind of 6. heating system, it is characterised in that including the heater and heat abstractor described in claim any one of 1-5, The heater and the heat abstractor by pipeline communication and form circulation loop.

7. heating system according to claim 6, it is characterised in that the heating system also includes power set, described Power set are preferably circulating pump；

Further, before the power set are arranged on the heater.

8. heating system according to claim 6, it is characterised in that the heat abstractor includes cast iron central heating radiator, steel Column type central heating, steel plate radiator, steel grafting weldering radiator, fine copper radiator, Copper-Aluminum compound radiator, steel combined with aluminum One or more in radiator, cast aluminium heat sink, Electric radiator, vacuum superconducting radiator；

Further, it is multiple to be selected from metal tube, polyethylene pipe, PA tube, Polybutylene Pipe, polyvinyl chloride pipe, plastic-aluminum for the pipeline Close the one or more in pipe.

9. according to the heating system described in claim any one of 6-8, it is characterised in that be provided with temperature on the heat abstractor Sensor, the heater are provided with intelligent switch, and the intelligent switch is used to receiving signal that temperature sensor is sent simultaneously Control the heater；

Further, the intelligent switch switchs for intelligent gear；

Further, the different stalls of the intelligent gear switch correspond to the electric heating film of different numbers；

Further, temperature sensor is equipped with the top and bottom of the heat abstractor, the intelligent switch is additionally operable to control Power set.

10. a kind of electric heater, it is characterised in that using the heater described in claim any one of 1-5.