阅读说明：本技术 辐射换热板及辐射换热系统 (Radiation heat exchange plate and radiation heat exchange system ) 是由 晏飞 于 2020-06-22 设计创作，主要内容包括：本申请涉及无水地暖领域,具体涉及辐射换热板和辐射换热系统。辐射换热板,包括板主体,板主体内部或侧部形成有连通介质入口和介质出口的微通道。微通道为其内部的介质提供了流通路径和相变空间,且介质流通过程中会做功伴随有热量的吸入或放出,从而通过板主体“辐射吸收”环境中物体的热量或将热量向环境中的物体辐射,进而改变周围环境中的物体的温度。本申请提供的辐射换热系统包括辐射换热板以及压缩机、冷凝器、节流部件、蒸发器和控制阀；通过改变控制阀的连通位,使辐射换热系统形成不同的循环回路,以在不同的需求下实现辐射换热板作为辐射换热板式蒸发器或辐射换热板式冷凝器,从而能够持续向环境中的物体或人体进行辐射制冷或制热。(The application relates to the field of waterless floor heating, in particular to a radiation heat exchange plate and a radiation heat exchange system. The radiation heat exchange plate comprises a plate main body, wherein micro-channels communicated with a medium inlet and a medium outlet are formed in the inner part or the side part of the plate main body. The micro-channel provides a circulation path and a phase change space for a medium in the micro-channel, and the medium can do work in the circulation process along with the suction or the discharge of heat, so that the heat of an object in the environment is absorbed or radiated to the object in the environment through the radiation of the plate main body, and the temperature of the object in the surrounding environment is changed. The radiation heat exchange system comprises a radiation heat exchange plate, a compressor, a condenser, a throttling component, an evaporator and a control valve; the radiation heat exchange system forms different circulation loops by changing the communication position of the control valve, so that the radiation heat exchange plate can be used as a radiation heat exchange plate type evaporator or a radiation heat exchange plate type condenser under different requirements, and radiation refrigeration or heating can be continuously carried out on objects or human bodies in the environment.)

1. A radiation heat exchange plate is characterized by comprising a plate main body, wherein a medium inlet and a medium outlet are formed in the plate main body, a micro channel communicated with the medium inlet and the medium outlet is formed in the inner part or the side part of the plate main body, and the micro channel is used for providing a circulation path and a phase change space for a medium.

2. A radiant heat exchanger plate according to claim 1, wherein the microchannels are distributed in the plate body in a curved manner and extend in a direction parallel to the plate surface of the plate body;

the micro-channel is in a straight tube shape or a special-shaped tube shape; and/or

The microchannel comprises a plurality of linear branches or a plurality of special-shaped branches which are communicated with each other.

3. A radiant heat exchanger plate according to claim 1, wherein the number of microchannels is plural, and the plural microchannels are spaced apart;

the microchannels are arranged in series, one end of each microchannel is communicated with the medium inlet, and the other end of each microchannel is communicated with the medium outlet; or

At least two micro channels are arranged in parallel in the plurality of micro channels, one end of each micro channel after parallel connection is communicated with the medium inlet, and the other end of each micro channel is communicated with the medium outlet.

4. A radiant heat exchanger plate according to claim 3, wherein the spacing between the sides of the plurality of microchannels connecting the media inlets is greater than the spacing between the sides connecting the media outlets.

5. A radiant heat exchanger plate according to claim 1, wherein the diameter of the microchannels is less than or equal to 2 mm;

the plate main body is flat-plate-shaped, and the area of the single-side plate surface of the plate main body is more than or equal to 1m²And the thickness of the plate main body is 1mm-55 mm.

6. A radiant heat exchange panel as claimed in claim 1 wherein the panel surface is corrosion resistant by passive or adhesion coating.

7. A radiant heat exchanger plate according to claim 1, wherein a switching distribution channel is formed in the plate body corresponding to the medium inlet and the medium outlet, respectively, the switching distribution channel including at least one branch channel, and both ends of the micro channel are communicated with the branch channels of the medium inlet and the medium outlet, respectively, in a one-to-one correspondence, so as to communicate the medium inlet and the medium outlet through the switching distribution channel.

8. A radiant heat exchanger plate according to claim 1,

the plate body further comprises a heat conducting layer disposed on the first side of the plate body and parallel to the plate body; and/or

The plate main body further comprises a damping layer, and the damping layer is arranged on the first side part of the plate main body and is parallel to the plate main body; and/or

The plate main body further comprises a vacuum interlayer, and the vacuum interlayer is arranged on the first side part of the plate main body and is parallel to the plate main body; and/or

The panel main body further comprises a finishing layer, and the finishing layer is arranged on the outermost layer of the first side part of the panel main body and is parallel to the panel main body; and/or

The plate main body further comprises a heat reflecting layer, and the heat reflecting layer is arranged on the second side part of the plate main body and is parallel to the plate main body; and/or

The plate main body further comprises a heat insulation layer, and the heat insulation layer is arranged on the second side portion of the plate main body and is parallel to the plate main body.

9. A radiation heat exchange system is characterized in that,

the radiant heat exchange system comprises a compressor, a condenser, a throttling component, an evaporator, a control valve and the radiant heat exchange plate of any one of claims 1 to 8;

when the control valve is located at a first communication position, the compressor, the radiation heat exchange plate, the throttling component and the evaporator form a first circulation loop, and the radiation heat exchange plate is used as a radiation heat exchange plate type condenser in the first circulation loop; when the control valve is located at a second communication position, the compressor, the throttling component, the condenser and the radiation heat exchange plate form a second circulation loop, and the radiation heat exchange plate is used as a radiation heat exchange plate type evaporator in the second circulation loop; a medium circulates in the first circulation loop or the second circulation loop;

or

The radiant heat exchange system comprises a compressor, a control valve, a throttling component and a plurality of radiant heat exchange plates as claimed in any one of claims 1 to 8, wherein the plurality of radiant heat exchange plates comprises a first radiant heat exchange plate and a second radiant heat exchange plate;

the compressor, the throttling component, the first radiant heat exchange plate and the second radiant heat exchange plate form a heat exchange circulation loop; in the heat exchange circulation loop, when the control valve is located at a first communication position, the first radiation heat exchange plate is used as a radiation heat exchange plate type condenser, and the second radiation heat exchange plate is used as a radiation heat exchange plate type evaporator; when the control valve is located at the second communication position, the first radiation heat exchange plate is used as a radiation heat exchange plate type evaporator, and the second radiation heat exchange plate is used as a radiation heat exchange plate type condenser.

10. The radiant heat exchange system as claimed in claim 9 wherein the number of the radiant heat exchange plates as the radiant heat exchange plate condenser and/or the radiant heat exchange plates as the radiant heat exchange plate evaporator is plural respectively;

the plurality of radiant heat exchange plates serving as the radiant heat exchange plate type condenser or the plurality of radiant heat exchange plates serving as the radiant heat exchange plate type evaporator are sequentially spliced, microchannels of the plurality of radiant heat exchange plates are sequentially communicated, and a medium outlet of one radiant heat exchange plate in two adjacent radiant heat exchange plates is communicated with a medium inlet of the other radiant heat exchange plate; or

The radiation heat exchange plates serving as the radiation heat exchange plate type condensers or the radiation heat exchange plate type evaporators are sequentially spliced, at least two micro-channels of the radiation heat exchange plates are arranged in the radiation heat exchange plates in parallel, and a medium inlet and a medium outlet of the radiation heat exchange plates which are arranged in parallel are respectively communicated with the first circulation loop and the second circulation loop.

Technical Field

The invention relates to the field of air conditioner/heat pump waterless floor heating, in particular to a radiation heat exchange plate and a radiation heat exchange system.

Background

Disclosure of Invention

The invention aims to provide a radiation heat exchange plate and a radiation heat exchange system, which can solve the problems that in the prior art, an air conditioner/heat pump waterless floor heating system has an unsatisfactory unit working condition and an insufficient energy efficiency ratio due to unreasonable design of a capillary coil, and the capillary coil is difficult to pave and arrange.

In a first aspect, the present invention provides a radiation heat exchange plate, including a plate main body, where a medium inlet and a medium outlet are formed on the plate main body, a micro channel communicating the medium inlet and the medium outlet is formed inside or on a side of the plate main body, and the micro channel is used to provide a flow path and a phase change space for a medium.

In the above technical solution, preferably, the microchannels are distributed in the plate body in a curved shape, and an extending direction of the microchannels is parallel to a plate surface of the plate body;

the micro-channel is in a straight tube shape or a special-shaped tube shape; and/or

The microchannel comprises a plurality of linear branches or a plurality of special-shaped branches which are communicated with each other.

In the above technical solution, preferably, the number of the microchannels is plural, and the plural microchannels are arranged at intervals;

the microchannels are arranged in series, one end of each microchannel is communicated with the medium inlet, and the other end of each microchannel is communicated with the medium outlet; or

At least two micro channels are arranged in parallel in the plurality of micro channels, one end of each micro channel after parallel connection is communicated with the medium inlet, and the other end of each micro channel is communicated with the medium outlet.

In the above technical solution, preferably, a distance between sides of the plurality of microchannels connecting the medium inlets is larger than a distance between sides of the microchannels connecting the medium outlets.

In the above technical solution, preferably, the diameter of the microchannel is less than or equal to 2 mm;

the plate main body is flat-plate-shaped, and the area of the single-side plate surface of the plate main body is more than or equal to 1m²And the thickness of the plate main body is 1mm-55 mm.

In the above technical solution, preferably, the radiation heat exchange plate is a corrosion-resistant plate whose plate surface is subjected to passivation plating or adhesion coating treatment.

In the foregoing technical solution, preferably, switching distribution channels are respectively formed in the plate main body corresponding to the medium inlet and the medium outlet, each switching distribution channel includes at least one branch channel, and two ends of the microchannel are respectively in one-to-one correspondence with the branch channels at the medium inlet and the medium outlet to communicate the medium inlet and the medium outlet through the switching distribution channels.

In the above technical solution, preferably, the plate main body further includes a shock absorbing layer, and the shock absorbing layer is disposed on the first side portion of the plate main body and is parallel to the plate main body; and/or

The plate body further comprises a heat conducting layer disposed on the first side of the plate body and parallel to the plate body; and/or

The plate main body further comprises a vacuum interlayer, and the vacuum interlayer is arranged on the first side part of the plate main body and is parallel to the plate main body; and/or

The panel main body further comprises a finishing layer, and the finishing layer is arranged on the outermost layer of the first side part of the panel main body and is parallel to the panel main body; and/or

The plate main body further comprises a heat reflecting layer, and the heat reflecting layer is arranged on the second side part of the plate main body and is parallel to the plate main body; and/or

The plate main body further comprises a heat insulation layer, and the heat insulation layer is arranged on the second side portion of the plate main body and is parallel to the plate main body.

In a second aspect, the present application further provides a radiant heat exchange system, which includes a compressor, a condenser, a throttling component, an evaporator, a control valve, and the radiant heat exchange plate;

when the control valve is located at a first communication position, the compressor, the radiation heat exchange plate, the throttling component and the evaporator form a first circulation loop, and the radiation heat exchange plate is used as a radiation heat exchange plate type condenser in the first circulation loop; when the control valve is located at a second communication position, the compressor, the throttling component, the condenser and the radiation heat exchange plate form a second circulation loop, and the radiation heat exchange plate is used as a radiation heat exchange plate type evaporator in the second circulation loop; a medium circulates in the first circulation loop or the second circulation loop.

Or

The radiation heat exchange system comprises a compressor, a control valve, a throttling component and a plurality of radiation heat exchange plates, wherein the plurality of radiation heat exchange plates comprise a first radiation heat exchange plate and a second radiation heat exchange plate;

the compressor, the throttling component, the first radiant heat exchange plate and the second radiant heat exchange plate form a heat exchange circulation loop; in the heat exchange circulation loop, when the control valve is located at a first communication position, the first radiation heat exchange plate is used as a radiation heat exchange plate type condenser, and the second radiation heat exchange plate is used as a radiation heat exchange plate type evaporator; when the control valve is located at the second communication position, the first radiation heat exchange plate is used as a radiation heat exchange plate type evaporator, and the second radiation heat exchange plate is used as a radiation heat exchange plate type condenser.

In the above technical solution, preferably, the number of the radiation heat exchange plates as the radiation heat exchange plate condenser and/or the number of the radiation heat exchange plates as the radiation heat exchange plate evaporator are multiple;

the plurality of radiant heat exchange plates serving as the radiant heat exchange plate type condenser or the plurality of radiant heat exchange plates serving as the radiant heat exchange plate type evaporator are sequentially spliced, microchannels of the plurality of radiant heat exchange plates are sequentially communicated, and a medium outlet of one radiant heat exchange plate in two adjacent radiant heat exchange plates is communicated with a medium inlet of the other radiant heat exchange plate; or

The radiation heat exchange plates serving as the radiation heat exchange plate type condensers or the radiation heat exchange plate type evaporators are sequentially spliced, at least two micro-channels of the radiation heat exchange plates are arranged in the radiation heat exchange plates in parallel, and a medium inlet and a medium outlet of the radiation heat exchange plates which are arranged in parallel are respectively communicated with the first circulation loop and the second circulation loop.

The embodiment of the invention has the beneficial effects that:

the application provides a radiation heat exchange plate, including the board main part, seted up medium entry and medium export in the board main part, board main part inside or the lateral part is formed with the microchannel that communicates medium entry and medium export. The medium can enter the micro-channel through the medium inlet, can complete vaporization and liquefaction in the micro-channel, and then flows out of the micro-channel through the medium outlet. The micro-channel provides a phase change space for the medium in the micro-channel, and heat can be absorbed or released in the phase change 'doing work' process of the medium, so that the heat of an object in the environment is absorbed or radiated to the object in the environment through the radiation of the plate main body, and the temperature of the object in the surrounding environment is changed.

The radiation heat exchange system comprises a radiation heat exchange plate, a compressor, a condenser, a throttling component, an evaporator and a control valve; the radiation heat exchange system forms different circulation loops by changing the communication position of the control valve, so that the radiation heat exchange plate can be used as a radiation heat exchange plate type evaporator or a radiation heat exchange plate type condenser under different requirements, and radiation refrigeration or heating can be continuously carried out on objects or human bodies in the environment.

Drawings

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

Fig. 1 is a schematic view of a first structure of a radiant heat exchange panel according to an embodiment of the present invention;

fig. 2 is a schematic view of a second structure of a radiant heat exchange plate according to an embodiment of the present invention;

fig. 3 is a schematic view of a third structure of a radiant heat exchange plate according to an embodiment of the present invention;

fig. 4 is a schematic view of a fourth structure of a radiant heat exchange plate according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection between the radiant heat exchange plates according to an embodiment of the present invention;

fig. 6 is a schematic view of another connection between radiant heat exchange plates according to an embodiment of the present invention;

FIG. 7 is a graph of spectral emissivity versus wavelength for various materials in the prior art.

Reference numerals:

1-plate body, 11-medium inlet, 12-medium outlet, 13-microchannel, 14-special-shaped branch pipe and 15-switching distribution channel.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically coupled, directly coupled, indirectly coupled through an intermediary, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A radiant heat exchange panel and a radiant heat exchange system according to some embodiments of the present invention are described below with reference to fig. 1 to 4.