CN214581389U - Phase-change heat transfer type floor heating heat dissipation device and floor heating system - Google Patents

Abstract

The utility model discloses a heat abstractor and underfloor heating system warm up of phase transition heat transfer formula, wherein, heat abstractor includes warm up of phase transition heat transfer formula: the heat exchange strips are arranged in a plurality and are sequentially arranged along the left and right direction, a space is arranged between every two adjacent heat exchange strips, each heat exchange strip is internally provided with a closed inner cavity extending along the length direction of the heat exchange strip, and a heat transfer medium is arranged in each inner cavity; and the heating assembly is connected with the heat exchange strip. When heating element generates heat, can be with heat conduction to heat transfer medium, heat transfer medium can the phase transition expansion flow after the heat absorption in order to conduct the heat along the inner chamber of heat transfer strip fast, then with heat conduction to the inner wall of heat transfer strip, give off the heat via the surface of heat transfer strip, the heat can be in heat transfer strip fast conduction, make heating element's heat can fast and evenly distribute in heat transfer strip, can make heat evenly distributed, make whole ground heating heat abstractor generate heat comparatively evenly, and then make the floor can evenly generate heat, optimize underfloor heating system's heating effect.

Description

Phase-change heat transfer type floor heating heat dissipation device and floor heating system

Technical Field

The utility model relates to a heating installation technical field, in particular to warm up heat abstractor and underfloor heating system.

Background

Currently, some indoor places (such as schools, shopping malls, families, factories, greenhouses and the like) are provided with floor heating so as to be heated when the temperature is low. Common ground heating can adopt and coil the structure of setting up the water pipe in the below floor, but because the laying density of water pipe is generally not big for the area temperature who is close to the water pipe is higher, and the area temperature who keeps away from the water pipe is lower, and the floor can have the uneven problem of generating heat, and the water pipe is mostly the plastic material, appears ageing leaking after using certain years easily.

Some floor heating systems can adopt an electric heating structure, namely, an electric heating element is arranged below the floor and is heated after being electrified. However, the heating speed of the electric heating element is high, and the problem of heat accumulation easily exists, that is, a large amount of heat is accumulated on the electric heating element and cannot be quickly conducted out and dissipated, and the temperature of the area close to the electric heating element is high, the temperature of the area far away from the electric heating element is low, the heat conduction rate of the electric heating structure is low, and the heat generation is not uniform enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a heat abstractor warms up of phase transition heat transfer formula, can improve heat conduction rate to can make the floor generate heat evenly.

The utility model discloses still provide the underfloor heating system who has above-mentioned phase transition heat transfer formula and warm up heat abstractor.

According to the utility model discloses a first aspect provides a heat abstractor warms up phase transition heat transfer formula, and it includes: the heat exchange strips are arranged in a plurality and are sequentially arranged along the left and right direction, a space is formed between every two adjacent heat exchange strips, a closed inner cavity extending along the length direction of each heat exchange strip is formed in each heat exchange strip, and a heat transfer medium is arranged in each inner cavity; and the heating assembly is connected with the heat exchange strip.

According to the utility model discloses a heat abstractor warms up phase transition heat transfer formula, the cross-section of heat transfer strip is circular, perhaps, the cross-section of heat transfer strip is the rectangle, just be connected with the branch parting bead between the two relative inside walls of heat transfer strip, the branch parting bead extends along the length direction of heat transfer strip.

According to the utility model discloses a heat abstractor warms up with phase transition heat transfer formula, heating element is connected with the middle part of heat transfer strip.

According to the utility model discloses a heat abstractor warms up phase transition heat transfer formula, heat transfer strip is including dividing two branches of locating the heating element both sides, two branch section is the V type and arranges, just branch section is beta 1 with the contained angle of horizontal plane, 0 < beta 1 be less than or equal to 80.

According to the utility model discloses the first aspect a heat abstractor warms up phase transition heat transfer formula, the both ends of heat transfer strip all are connected with heating element.

According to the utility model discloses a heat abstractor warms up phase transition heat transfer formula, the heat transfer strip is including two sections that are connected, two the tip of a section all is connected with heating element, two a section is the type of falling V and arranges, just a section is beta 1 with the contained angle of horizontal plane, 0 < beta 1 is less than or equal to 80.

According to the utility model discloses a heat abstractor warms up phase transition heat transfer formula, heating element includes electrothermal structure, electrothermal structure sets up to heating wire or electric plate or electrothermal tube or electric heat membrane, just heating element covers with the junction of heat exchange strip and is equipped with first heat preservation.

According to the utility model discloses a heat abstractor warms up with phase transition heat transfer formula, heat transfer medium sets up to 1, 1, 1, 2-tetrafluoroethane.

According to the utility model discloses a heat abstractor warms up phase transition heat transfer formula, heating element includes the heat-transfer pipe, the heat-transfer pipe is arranged along controlling the direction, wherein, the heat-transfer pipe with the heat transfer strip cup joints, and perhaps the tip of heat transfer strip is inserted and is located the heat-transfer pipe.

According to the utility model discloses a second aspect provides a warm up system, it includes second heat preservation, reflectance coating, soaking net and as above phase transition heat transfer formula warm up heat abstractor, second heat preservation, reflectance coating, phase transition heat transfer formula warm up heat abstractor and soaking net arrange in proper order from bottom to top.

The beneficial effect that above-mentioned scheme has: when heating element generates heat, can be with heat conduction to heat transfer medium, heat transfer medium can the phase transition expansion flow after the heat absorption in order to conduct the heat along the inner chamber of heat transfer strip fast, then with heat conduction to the inner wall of heat transfer strip, give off the heat via the surface of heat transfer strip, the heat can be in heat transfer strip fast conduction, make heating element's heat can fast and evenly distribute in heat transfer strip, can make heat evenly distributed, make whole ground heating heat abstractor generate heat comparatively evenly, and then make the floor can evenly generate heat, optimize underfloor heating system's heating effect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a top view of a first embodiment of a phase-change heat transfer type floor heating heat sink;

fig. 2 is a side view of the phase change heat transfer type floor heating heat sink shown in fig. 1;

fig. 3 is a top view of a second embodiment of a phase change heat transfer type floor heating heat sink;

fig. 4 is a side view of the phase change heat transfer type floor heating heat sink shown in fig. 3;

FIG. 5 is a cross-sectional view of one embodiment of a heat exchange strip;

FIG. 6 is a cross-sectional view of another embodiment of a heat exchange strip;

fig. 7 is a top view of a third embodiment of a phase change heat transfer type floor heating heat sink;

fig. 8 is a top view of a fourth embodiment of a phase change heat transfer floor heating heat sink;

fig. 9 is a sectional view of a fifth embodiment of a phase change heat transfer type floor heating heat sink;

fig. 10 is a sectional view of a sixth embodiment of a phase change heat transfer floor heating heat sink;

fig. 11 is a structural diagram of the floor heating system.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 10, a phase transition heat transfer formula ground warms up heat abstractor, it includes heat exchange strip 10 and heating element, heat exchange strip 10 sets up to a plurality ofly and arranges in proper order along left and right sides direction, has the interval between the adjacent heat exchange strip 10, all has confined inner chamber in each heat exchange strip 10, inner chamber on the adjacent heat exchange strip 10 is independent each other and not intercommunication promptly, the inner chamber extends along the length direction of heat exchange strip 10, and has heat transfer medium in the inner chamber, heating element links to each other with heat exchange strip 10. Wherein the heat transfer medium can be 1, 1, 1, 2-tetrafluoroethane. The heat exchange strips 10 can be arranged in parallel, the distance between the adjacent heat exchange strips 10 is N1, and N1 is more than or equal to 1 mm.

When the heating component generates heat, the heat can be conducted to the heat transfer medium, the heat transfer medium can be subjected to phase change, expansion and flow after absorbing heat so as to conduct the heat quickly along the inner cavity of the heat exchange strip 10, then the heat is conducted to the inner wall of the heat exchange strip 10, and the heat is dissipated through the outer surface of the heat exchange strip 10. The heat can be conducted in heat transfer strip 10 fast for heating element's heat can distribute in heat transfer strip 10 fast and evenly, so, can improve the speed of heat conduction and giving off, can improve heat conduction rate, and can make heat evenly distributed, make whole ground heat abstractor generate heat comparatively even, and then make the floor can evenly generate heat, optimize the heating effect of underfloor heating system.

Referring to fig. 5, in some embodiments, heat exchange strip 10 is rectangular in cross-section. Further, a separation strip 12 is connected between two opposite inner side walls of the heat exchange strip 10, and the separation strip 12 extends along the length direction of the heat exchange strip 10. This structure enables the heat exchange strip 10 to have a large heat-dissipating outer surface area and a large heat-absorbing inner surface area, improving heat-absorbing and heat-dissipating efficiency, and the division strips 12 can enhance the turbulence of the heat transfer medium.

In addition, in order to allow the heat transfer medium to pass through the division bar 12 and further enhance the turbulence, a through hole is opened in the division bar 12. A second fin may also be provided on the outer surface of the heat exchange strip 10 to facilitate heat dissipation.

Referring to fig. 6, in some embodiments, heat exchange strip 10 is circular in cross-section. Further, the lateral wall and the inside wall of heat transfer strip 10 all are provided with first fin 13, the first fin 13 of lateral wall can increase the heat radiating surface area of heat transfer strip 10 to give off the heat fast, the first fin 13 of inside wall can increase the heat absorbing surface area of heat transfer strip 10 inboard, improve the heat exchange efficiency of heat transfer medium and heat transfer strip 10, and can disturb the flow of heat transfer medium, make heat transfer medium and the inboard abundant heat transfer that contacts of heat transfer strip 10. Wherein, the first fins 13 can be arranged in a pin fin or rib fin structure. In addition, the cross section of the heat exchange strip 10 can also be provided with an oval shape.

Referring to fig. 1 and 2, in some embodiments, a heating assembly is connected to the middle of heat exchange strip 10. The heat exchange strip 10 comprises two branch sections 11 which are respectively arranged at two sides of the heating component, the two branch sections 11 are arranged in a V shape, and the included angle between each branch section 11 and the horizontal plane is beta 1, wherein beta 1 is more than 0 and less than or equal to 80 degrees.

Referring to fig. 3 and 4, in some embodiments, heating assemblies are attached to both ends of heat exchange strip 10. The heat exchange strip 10 comprises two branch sections 11 which are connected, the end parts of the two branch sections 11 are connected with heating components, the two branch sections 11 are arranged in an inverted V shape, and the included angle between each branch section 11 and the horizontal plane is beta 1, wherein beta 1 is more than 0 and less than or equal to 80 degrees.

For the structure, the heat transfer medium which does not absorb heat is positioned at the lower position of the inner cavity of the heat exchange strip 10, the heat transfer medium after absorbing heat and changing phase flows obliquely upwards along the branch section 11, the flow of the heat transfer medium is smooth, the heat transfer medium is beneficial to fully contacting all parts of the inner wall of the heat exchange strip 10, the temperature difference at each part of the inner wall of the heat exchange strip 10 is reduced, and the heat conduction efficiency of the heat dissipation device is improved.

In some embodiments, the heating assembly includes an electric heating structure 21, specifically, the electric heating structure 21 is configured as a heating wire, an electric heating plate, an electric heating tube, an electric heating film, or the like, and the electric heating structure 21 is attached to the outer wall of the heat exchange strip 10. In order to enable more heat to be conducted to the heat transfer medium, a first heat preservation layer 30 is covered at the joint of the heating assembly and the heat exchange strip 10, that is, the electric heating structure 21 is covered on the inner side of the first heat preservation layer 30.

In some embodiments, the electric heating structure 21 may also be disposed in the inner cavity of the heat exchange strip 10. Further, the outer wall of the heat exchange strip 10 may be coated with a first heat insulating layer 30 at a position where the heat exchange strip 10 is disposed.

Referring to fig. 7, in some embodiments, the heating assembly includes a heat transfer pipe 22 and a heating element connected to the heat transfer pipe 22, the heat transfer pipe 22 is arranged along the left-right direction, and each heat exchange bar 10 is inserted through the heat transfer pipe 22, that is, the heat transfer pipe 22 is sleeved on each heat exchange bar 10. Fluid such as water, air or heat transfer medium can be introduced into the heat transfer tubes 22, heating elements are disposed at other positions to heat the fluid, and the hot fluid is introduced into the heat transfer tubes 22 to heat the heat transfer medium in the heat exchange bars 10. The structure can intensively arrange the heating elements, so that the electric wire arrangement and the circuit maintenance are facilitated. In addition, the heat transfer pipe 22 may be inserted through each heat exchange bar 10, that is, each heat exchange bar 10 is sleeved on the heat transfer pipe 22. When heat transfer tubes 22 are used, the heat exchange strips 10 may be arranged in a V-shape.

Referring to fig. 8, in some embodiments, the heating assembly includes heat transfer pipes 22 and heating elements connected to the heat transfer pipes 22, the heat transfer pipes 22 are arranged in the left-right direction, and both ends of the heat exchange bar 10 are inserted into the heat transfer pipes 22. When the heat transfer tubes 22 are used, the heat exchange strips 10 may be arranged in an inverted V-shape.

The outer wall of the heat transfer tube 22 is coated with a first insulating layer 30 to reduce heat dissipation so that more heat can be conducted to the heat transfer medium. The heat transfer tube 22 and the heat exchange bar 10 can be made of stainless steel, aluminum, copper and other metal materials to improve the durability and reduce the aging leakage.

Referring to fig. 9, in some embodiments, the heating assembly includes a base 23, slots 231 are disposed on both sides of the base 23, and the heat exchange strip 10 includes two support sections 11 arranged in a V shape, and the two support sections 11 are respectively inserted into the slots 231 on both sides of the base 23, so that the two support sections 11 are respectively disposed on both sides of the slots 231. The electric heating structure 21 is disposed in the slot 231, and the electric heating structure 21 contacts with the outer surface of the heat exchange strip 10. Or a heating channel is arranged in the seat body 23, and the heating channel can be filled with the hot fluid. The structure heats the middle part of the heat exchange strip 10, and heat is conducted to the two ends in the middle part of the heat exchange strip 10.

Referring to fig. 10, in some embodiments, the heating assembly includes a seat 23, the seat 23 is disposed at both ends of the heat exchange strip 10, a slot 231 is disposed on the seat 23, the slot 231 is inserted at both ends of the heat exchange strip 10, and the heat exchange strip 10 is in an inverted V shape. The electric heating structure 21 is disposed in the slot 231, and the electric heating structure 21 contacts with the outer surface of the heat exchange strip 10. Or a heating channel is arranged in the seat body 23, and the heating channel can be filled with the hot fluid. The structure heats the middle part of the heat exchange strip 10, and heat is conducted to the two ends in the middle part of the heat exchange strip 10. The structure heats the two ends of the heat exchange strip 10, and heat is conducted from the two ends of the heat exchange strip 10 to the middle.

For the structure, the heat exchange strip 10 is inserted into the base body 23, so that the heat exchange strip 10 can be conveniently installed, and the floor heating system can be conveniently assembled on site. The outer surface of the seat body 23 is covered with a first heat preservation layer 30.

Referring to fig. 11, the utility model also discloses a warm up system, it includes that second heat preservation 41, reflectance coating 42, soaking net 43 and foretell phase transition heat transfer type warm up heat abstractor, and second heat preservation 41, reflectance coating 42, phase transition heat transfer type warm up heat abstractor and soaking net 43 arrange from bottom to top in proper order. The second heat preservation layer 41 can preserve heat, and can block heat from transferring downwards, the reflection film 42 can reflect infrared rays, so that the heat radiates upwards, and the uniform heat net 43 can enable the heat to be distributed uniformly, so that the floor can uniformly heat.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides a heat abstractor warms up phase transition heat transfer formula which characterized in that includes:

the heat exchange strips (10) are arranged in a plurality and are sequentially arranged along the left-right direction, a space is reserved between every two adjacent heat exchange strips (10), each heat exchange strip (10) is internally provided with a closed inner cavity extending along the length direction of the heat exchange strip, and a heat transfer medium is arranged in each inner cavity;

and the heating assembly is connected with the heat exchange strip (10).

2. The phase-change heat transfer type floor heating heat dissipation device as recited in claim 1, wherein the section of the heat exchange strip (10) is circular,

alternatively, the first and second electrodes may be,

the section of the heat exchange strip (10) is rectangular, a separation strip (12) is connected between two opposite inner side walls of the heat exchange strip (10), and the separation strip (12) extends along the length direction of the heat exchange strip (10).

3. The phase-change heat transfer type floor heating heat dissipation device as recited in claim 1, wherein the heating assembly is connected with the middle part of the heat exchange strip (10).

4. The phase-change heat transfer type floor heating heat dissipation device as recited in claim 3, wherein the heat exchange strip (10) comprises two branch sections (11) respectively arranged at two sides of the heating assembly, the two branch sections (11) are arranged in a V shape, and an included angle between each branch section (11) and a horizontal plane is β 1, and β 1 is more than 0 and less than or equal to 80 degrees.

5. The phase-change heat transfer type floor heating heat dissipation device as recited in claim 1, wherein both ends of the heat exchange strip (10) are connected with heating components.

6. The phase-change heat transfer type floor heating heat dissipation device according to claim 5, wherein the heat exchange strip (10) comprises two branch sections (11) which are connected, the end portions of the two branch sections (11) are both connected with the heating assembly, the two branch sections (11) are arranged in an inverted V shape, and the included angle between the branch sections (11) and the horizontal plane is beta 1, and beta 1 is more than 0 and less than or equal to 80 degrees.

7. The phase-change heat transfer type floor heating heat dissipation device as defined in any one of claims 1-6, wherein the heating assembly comprises an electric heating structure (21), the electric heating structure (21) is configured as an electric heating wire, an electric heating plate, an electric heating tube or an electric heating film, and a first heat preservation layer (30) is covered at the joint of the heating assembly and the heat exchange strip (10).

8. The phase-change heat transfer type floor heating heat dissipation device as recited in any one of claims 1 to 6, wherein the heat transfer medium is 1, 1, 1, 2-tetrafluoroethane.

9. The phase-change heat transfer type ground heating heat sink according to claim 1 or 2, wherein the heating assembly includes a heat transfer pipe (22), the heat transfer pipe (22) being arranged in a left-right direction, wherein,

the heat transfer pipe (22) is sleeved with the heat exchange strip (10), or the end part of the heat exchange strip (10) is inserted into the heat transfer pipe (22).

10. A floor heating system, which is characterized by comprising a second heat preservation layer (41), a reflection film (42), a soaking net (43) and the phase-change heat transfer type floor heating heat dissipation device as claimed in any one of claims 1 to 9, wherein the second heat preservation layer (41), the reflection film (42), the phase-change heat transfer type floor heating heat dissipation device and the soaking net (43) are sequentially arranged from bottom to top.

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