An electric heating wallboard heat dissipation structure with uniform heat dissipation

Abstract

The application provides an electric heating wallboard heat dissipation structure with uniform heat dissipation, relates to the technical field of building structure components, and comprises an electric heating base layer, a back plate, a hot air flow cavity plate, front and back air circulation structures, a heat equalizing layer, a heat conducting layer, first countersunk head bolts, a cover body and a spliced heat preservation protective shell. Heat is efficiently transferred to the hot air flow cavity plate by the front and back air circulation structures, uniformly dispersed to the heat equalizing layer from the hot air flow cavity plate, and finally uniformly dissipated to the heat conducting surface of the spliced heat preservation protective shell close to the indoor side through the heat conducting layer. The heat equalizing layer rapidly diffuses and transfers heat from the high-temperature concentrated front end of the hot air flow cavity plate to the surroundings, so that the temperature distribution is uniform, local overheating and supercooling points are significantly eliminated, invalid overheating is avoided, the heat energy utilization rate is high, and energy saving is achieved. The safety hazards caused by local overheating are fundamentally eliminated, and the service life of the product is prolonged. The scheme is easy to implement, can be combined with the existing production process, and the cost is controllable.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building structure components, in particular to an electric heating wallboard heat dissipation structure with uniform heat dissipation. BACKGROUND

[0002] The description in this section merely provides background information related to the present disclosure and does not constitute prior art.

[0003] The existing electric heating wallboard uses carbon crystal, metal wire electric heating film, etc. as a heating element. The above-mentioned heating element has the problem of uneven heat dissipation, and uneven heat dissipation will lead to the following problems:

[0004] Low energy efficiency: to achieve overall heating effect, waste energy in overheated areas;

[0005] Safety hazard: local overheating may accelerate material aging, and even cause fire risk;

[0006] Affecting the service life: uneven temperature leads to thermal stress concentration, reducing the service life of the heating body. SUMMARY

[0007] The purpose of the present application is to provide an electric heating wallboard heat dissipation structure with uniform heat dissipation, which significantly improves the uniformity of heat dissipation through innovative structural design, and solves the technical problem of uneven heat dissipation of the existing heating element.

[0008] The present application provides an electric heating wallboard heat dissipation structure with uniform heat dissipation, comprising:

[0009] An electric heating base layer, the far side from the indoor side is attached with a back plate;

[0010] The electric heating base layer is equipped with a front and rear air circulation structure, and the air direction is towards the front;

[0011] The hot air flow cavity plate is connected to the same side of the front and rear air circulation structure at the front and rear ends of the hot air flow cavity plate;

[0012] The front and rear ends of the hot air flow cavity plate are detachably fixed to the edge of the back plate;

[0013] The hot air flow cavity plate is attached with a heat equalizing layer on the side close to the indoor side, and a heat conducting layer is attached to the side close to the indoor side;

[0014] The first countersunk head bolt is fixedly connected between the front and rear edges of the heat equalizing layer on the side close to the indoor side and the hot air flow cavity plate;

[0015] The heat equalizing layer is attached with a cover on the front and rear sides close to the indoor side, and the heat conducting layer is located in the cover;

[0016] The back plate and the cover are sleeved with a spliced heat preservation protective shell on the outside, and the side close to the indoor side is a heat conducting surface.

[0017] As a further optimization scheme, the heat-conducting bands distributed in a radial manner take the upper, middle and lower three sides of the front end of the first heat-conducting plate away from the indoor side as radiation sources, and evenly radiate the relatively concentrated heat near the hot air inlet end of the hot air flow cavity plate to the entire first heat-conducting plate, thereby uniformly conducting the heat. The heat-diffusing layer comprises:

[0018] The first heat-conducting plate has a thermal conductivity greater than that of the hot air flow cavity plate.

[0019] The first heat-conducting plate away from the indoor side is equipped with a radial strip-shaped heat-conducting structure.

[0020] As a further optimization scheme, in order to fix the heat-conducting bands distributed in a radial manner on the upper, middle and lower three sides of the first heat-conducting plate away from the indoor side and facilitate the disassembly and replacement of the heat-conducting bands, the radial strip-shaped heat-conducting structure comprises:

[0021] The upper, middle and lower three sides of the front end of the first heat-conducting plate away from the indoor side are taken as radiation sources.

[0022] Radial strip-shaped grooves are formed in the first heat-conducting plate away from the indoor side in a radial manner with the upper, middle and lower three sides of the radiation sources as the center.

[0023] Heat-conducting bands are inserted into the radial strip-shaped grooves, and both ends of each heat-conducting band are fixedly connected to an ear plate inserted into the corresponding radial strip-shaped groove.

[0024] The ear plate is fixedly connected to the bottom surface of the corresponding radial strip-shaped groove by a bolt.

[0025] As a further optimization scheme, the heat-conducting ribs distributed in a radial manner take the upper, middle and lower three sides of the front end of the second heat-conducting plate away from the indoor side as radiation sources, and evenly radiate the relatively concentrated heat near the hot air inlet end of the hot air flow cavity plate to the entire second heat-conducting plate, thereby uniformly conducting the heat. The heat-diffusing layer comprises:

[0026] The second heat-conducting plate has a thermal conductivity greater than that of the hot air flow cavity plate.

[0027] The upper, middle and lower three sides of the front end of the second heat-conducting plate away from the indoor side are taken as radiation sources.

[0028] Heat-conducting ribs are welded to the second heat-conducting plate away from the indoor side in a radial manner with the upper, middle and lower three sides of the radiation sources as the center.

[0029] As a further optimization scheme, the micro heat pipes distributed in a radial manner have the upper, middle and lower three sides of the third heat-conducting plate far from the front end of the indoor side as radiation sources, and the concentrated heat near the hot air inlet end of the hot air flow cavity plate is evenly radiated to the entire third heat-conducting plate to uniformly conduct the heat. The heat-distribution layer comprises:

[0030] A third heat-conducting plate having a thermal conductivity greater than that of the hot air flow cavity plate;

[0031] The upper, middle and lower three sides of the third heat-conducting plate far from the front end of the indoor side are used as radiation sources.

[0032] The third heat-conducting plate far from the indoor side is sequentially fixed with a first longitudinal fixing structure, a second longitudinal fixing structure and a third longitudinal fixing structure from front to back.

[0033] The first longitudinal fixing structure, the second longitudinal fixing structure and the third longitudinal fixing structure are fixed with micro heat pipes.

[0034] The micro heat pipes are distributed in a radial manner with the upper, middle and lower three sides as the center.

[0035] As a further optimization scheme, in order to fix the micro heat pipes distributed in a radial manner on the upper, middle and lower three sides of the third heat-conducting plate far from the indoor side and facilitate the disassembly and replacement of the micro heat pipes, the first longitudinal fixing structure, the second longitudinal fixing structure and the third longitudinal fixing structure are the same in structure, and the third longitudinal fixing structure comprises:

[0036] A longitudinal strip-shaped plate integrally formed with an arc-shaped cover corresponding to the position of the micro heat pipe on the upper side.

[0037] The arc-shaped cover is sleeved on the outer side corresponding to the micro heat pipe.

[0038] The arc-shaped cover is provided with a fixing bolt penetrating the upper and lower edges, and the end of the fixing bolt is screwed to the third heat-conducting plate far from the indoor side.

[0039] As a further optimization scheme, in order to provide a heat-generating plate mounting rack, the heat-generating plate provides heat, and the electric heating base layer comprises:

[0040] A rectangular frame is designed with a sealed side far from the indoor side.

[0041] The rectangular frame is fixed with a grid frame.

[0042] The grid frame is fixed with a heat-generating plate on the middle and both sides, and the outer side is provided with an insulating layer.

[0043] The heat-generating plate is electrically connected to an external power source through a wire.

[0044] The front and back wind circulation structure is assembled on the grid frame and the rectangular frame.

[0045] As a further optimization scheme, in order to drive the air in the electric heating base layer to return to the electric heating base layer after passing through the hot air flow cavity plate, the front and back wind circulation structure comprises:

[0046] The front and back ventilation holes are arranged on the longitudinal components of the grid frame and the front and back side walls of the rectangular frame.

[0047] The up and down ventilation holes are arranged on the transverse components of the grid frame.

[0048] The fan is fixedly assembled in the front and back ventilation holes in the middle, and is electrically connected with the external power supply through the lead wire.

[0049] The fan direction is towards the front.

[0050] As a further optimization scheme, in order to provide a hot air inlet and outlet flow chamber, accelerate the heat transfer speed, and transfer heat to the heat equalizing layer, the hot air flow cavity plate comprises:

[0051] The cavity plate is fixedly connected with a strip-shaped rectangular cover on the front and back edges away from the indoor side.

[0052] The inner side of the strip-shaped rectangular cover is provided with an air inlet and outlet window, which is connected with the same side of the front and back wind circulation structure.

[0053] The front and back edges of the cavity plate close to the indoor side are uniformly penetrated by the second countersunk bolts, and the ends of the second countersunk bolts are screwed to the same side edges of the back plate.

[0054] As a further optimization scheme, in order to reduce the contact thermal resistance by the heat-conducting adhesive layer, and ensure that heat is efficiently transferred to the graphene film for uniform heat dissipation, the heat-conducting layer comprises:

[0055] The graphene film is coated with a heat-conducting adhesive layer between the heat equalizing layer close to the indoor side.

[0056] The present application improves the heat dissipation of the electric heating wall plate structure, and has the following improvements and advantages compared with the prior art:

[0057] I. The electric heating base layer is powered to generate heat, the heat is blocked and reduced from dissipating in other directions by the spliced heat preservation protective shell, the heat is efficiently transferred to the hot air flowing cavity plate by the front and rear wind circulation structure, is uniformly dispersed to the heat uniformizing layer from the hot air flowing cavity plate, and is finally uniformly radiated to the heat conduction surface of the spliced heat preservation protective shell close to the indoor side through the heat conduction layer. The back plate and the cover body are made of materials with good heat conduction coefficients, so that the heat conduction is avoided, the heat is rapidly diffused and transmitted to the surrounding from the front end of the hot air flowing cavity plate with high temperature concentration, the temperature distribution is uniform, the local overheating and supercooling points are significantly eliminated, the invalid overheating is avoided, the heat energy utilization rate is high, and the product service life is prolonged. The scheme is easy to realize, can be combined with the existing production process, and the cost is controllable.

[0058] II. The electric heating base layer is clamped between the hot air flowing cavity plate and the back plate, the two ends of the hot air flowing cavity plate and the edges of the back plate are detachably fixed, the maintenance after disassembly is facilitated, the heat uniformizing layer is fixed and connected on the hot air flowing cavity plate through the first countersunk head bolt, the maintenance after disassembly is facilitated, the cover body is pasted on the heat uniformizing layer and can be torn off and disassembled, the maintenance after disassembly is facilitated, and the spliced heat preservation protective shell adopts a splicing structure, so that the maintenance after disassembly is facilitated. The above structure is disassembled from the outside to the inside layer by layer, so that the maintenance and repair are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0059] In order to more clearly illustrate the technical solutions in the specific embodiments or the prior art of the present application, the drawings needed in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0060] Figure 1 It is a structural schematic diagram of the present application.

[0061] Figure 2 It is a partial structural schematic diagram of the present application.

[0062] Figure 3 It is an exploded view of the partial structure of the present application.

[0063] Figure 4 It is a structural schematic diagram of the heat uniformizing layer of the present application.

[0064] Figure 5 It is a structural schematic diagram of the heat uniformizing layer of the present application.

[0065] Figure 6 It is a structural schematic diagram of the heat uniformizing layer of the present application.

[0066] Figure 7 It is a structural schematic diagram of the heat uniformizing layer of the present application. Figure 6Enlarged structural schematic view at B;

[0067] Figure 8 Schematic view of the electric heating base layer structure of the present application;

[0068] Figure 9 Schematic sectional view of the hot air flow cavity plate structure of the present application;

[0069] Figure 10 Schematic sectional view of the hot air flow cavity plate structure of the present application; Figure 3 Enlarged structural schematic view at A;

[0070] Figure 11 Schematic sectional view of the spliced heat preservation protective shell structure of the present application.

[0071] Explanation of reference signs:

[0072] 1-electric heating base layer, 11-rectangular frame, 12-grid frame, 13-front and rear air vents, 14-up and down air vents, 15-fan, 16-heating plate, 2-hot air flow cavity plate, 21-cavity plate, 22-strip-shaped rectangular cover, 23-inlet and outlet air window, 24-second countersunk bolt, 3-homogenizing layer, 31a-first heat conducting plate, 32a-radiation-shaped heat conducting structure, 321a-radiation-shaped strip-shaped groove, 322a-heat conducting strip, 323a-ear plate, 31b-second heat conducting plate, 32b-heat conducting rib, 31c-third heat conducting plate, 32c-first longitudinal fixing structure, 33c-second longitudinal fixing structure, 34c-third longitudinal fixing structure, 34c1-longitudinal strip-shaped plate, 34c2-arch-shaped cover, 34c3-fixing bolt, 35c-micro heat pipe, 4-heat conducting layer, 41-graphene film, 42-heat conducting adhesive layer, 5-cover body, 6-back plate, 7-reflective layer, 8-first countersunk bolt, 9-spliced heat preservation protective shell, 91-rectangular heat preservation frame, 92-heat preservation baffle, 93-connecting bolt, 94-fourth heat conducting plate, 95-abrasion-resistant protective layer. DETAILED DESCRIPTION

[0073] The technical solutions of the present application will be described clearly and completely below in combination with embodiments. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0074] In the description of the present application, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0075] In the description of the present application, it is to be understood that the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can include one or more of the features explicitly or implicitly. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0076] Embodiment one, Figures 1-4 And Figures 8-11 The present application provides a technical solution: a uniform heat dissipation electric heating wallboard heat dissipation structure, comprising:

[0077] The electric heating base layer 1 is attached to the back plate 6 on the side away from the indoor side;

[0078] The front and rear air circulation structures are assembled on the electric heating base layer 1, and the air direction is towards the front;

[0079] The hot air flow cavity plate 2 is sleeved on the side close to the indoor side of the electric heating base layer 1, and the front and rear ends thereof are connected in communication with the same side of the front and rear air circulation structures;

[0080] The front and rear ends of the hot air flow cavity plate 2 are detachably fixed with the edges of the back plate 6;

[0081] The hot air flow cavity plate 2 is attached to the side close to the indoor side of the hot air flow cavity plate 2, and the side close to the indoor side is attached to the heat conduction layer 4;

[0082] The first countersunk bolt 8 is fixedly connected between the front and rear edges of the side close to the indoor side of the hot air flow cavity plate 2;

[0083] The heat uniform layer 3 is pasted with the cover 5 on the front and back sides close to the indoor side, and the heat conduction layer 4 is located in the cover 5.

[0084] The back plate 6 and the cover 5 are sleeved with the spliced heat preservation protective shell 9, and the indoor side close to the indoor side is a heat conduction surface.

[0085] In the embodiment, the electric heating base layer 1 is used as the installation base of the heating plate 16, and the front and back air circulation structures are assembled on the electric heating base layer 1, and the wind direction is towards the front; only the indoor side close to the indoor side of the spliced heat preservation protective shell 9 is provided as a heat conduction surface, and the other sides are provided with heat preservation materials to reduce heat loss and concentrate heat from the heat conduction surface to the indoor side.

[0086] Further, the electric heating base layer 1 is powered to generate heat, the heat is blocked by the spliced heat preservation protective shell 9 to reduce the loss from other directions, the heat is efficiently transmitted to the hot air flow cavity plate 2 by the front and back air circulation structures, the heat is uniformly dispersed from the hot air flow cavity plate 2 to the heat uniform layer 3, and finally the heat is uniformly dissipated to the heat conduction surface of the spliced heat preservation protective shell 9 close to the indoor side through the heat conduction layer 4; the back plate 6 and the cover 5 are made of materials with good heat conduction coefficients to avoid affecting heat conduction; the heat uniform layer 3 rapidly diffuses and transmits heat from the high-temperature concentrated hot air flow cavity plate 2 front end to the surrounding, so that the temperature distribution is uniform, local overheating and supercooling points are significantly eliminated, invalid overheating is avoided, heat energy utilization rate is high, and energy saving is more; the safety hidden danger caused by local overheating is fundamentally eliminated, and the service life of the product is prolonged.

[0087] More specifically, the electric heating base layer 1 is clamped between the hot air flow cavity plate 2 and the back plate 6, the hot air flow cavity plate 2 is detachably fixed at the edges of the back plate 6 at both ends, and the maintenance after disassembly is facilitated; the heat uniform layer 3 is fixedly connected to the hot air flow cavity plate 2 through the first countersunk bolt 8, and the maintenance after disassembly is facilitated; the cover 5 is pasted on the heat uniform layer 3 and can be torn off and disassembled, and the maintenance after disassembly is facilitated; the spliced heat preservation protective shell 9 adopts a splicing structure, and the maintenance after disassembly is facilitated; the above-mentioned structure is disassembled from the outside to the inside layer by layer, and the maintenance and repair are facilitated.

[0088] It can be understood that the device is suitable for one-way heat dissipation to the indoor.

[0089] In some embodiments, the heat uniform layer 3 comprises:

[0090] The first heat conduction plate 31a has a heat conduction coefficient greater than that of the hot air flow cavity plate 2;

[0091] The first heat conduction plate 31a is provided with a radiating strip-shaped heat conduction structure 32a away from the indoor side;

[0092] The radiating strip-shaped heat conduction structure 32a comprises:

[0093] The first heat-conducting plate 31a has three radiation sources on the upper, middle and lower sides of the front end away from the indoor side;

[0094] The first heat-conducting plate 31a has three radiation sources on the upper, middle and lower sides of the front end away from the indoor side;

[0095] The first heat-conducting plate 31a has three radiation sources on the upper, middle and lower sides of the front end away from the indoor side;

[0096] The first heat-conducting plate 31a has three radiation sources on the upper, middle and lower sides of the front end away from the indoor side.

[0097] Specifically, in the embodiment, the heat-conducting bands 322a are fixed with the lug plates 323a at both ends, and the lug plates 323a are fixed on the bottom surface of the radiation-shaped grooves 321a by screwing. The heat-conducting bands 322a and the lug plates 323a are located in the corresponding radiation-shaped grooves 321a and do not protrude from the side of the first heat-conducting plate 31a away from the indoor side, so that the side of the first heat-conducting plate 31a away from the indoor side is attached to the side wall of the hot air flowing cavity plate 2, and part of the heat is directly conducted through the first heat-conducting plate 31a;

[0098] Further, the heat-conducting bands 322a distributed in a radiation shape take the upper, middle and lower sides of the front end of the side of the first heat-conducting plate 31a away from the indoor side as radiation sources, and uniformly radiate the relatively concentrated heat near the hot air inlet end of the hot air flowing cavity plate 2 to the entire first heat-conducting plate 31a, so as to uniformly conduct the heat;

[0099] More specifically, the heat-conducting bands 322a are fixed with the lug plates 323a at both ends, and the lug plates 323a are fixed on the bottom surface of the radiation-shaped grooves 321a by screwing. The heat-conducting bands 322a distributed in a radiation shape on the upper, middle and lower sides are fixed on the side of the first heat-conducting plate 31a away from the indoor side, and the heat-conducting bands 322a are convenient to disassemble and replace;

[0100] It can be understood that the heat-conducting bands 322a are prior art applications. The heat-conducting bands 322a are a kind of functional material for efficient heat conduction. The heat-conducting bands 322a are mainly divided into three categories: copper heat-conducting bands, double-arm low-temperature heat-conducting bands and silica gel heat-conducting adhesive tapes. The heat-conducting bands 322a in the embodiment are copper heat-conducting bands.

[0101] In some embodiments, the electric heating base layer 1 comprises:

[0102] The rectangular frame 11 is designed with a sealed side away from the indoor side;

[0103] The rectangular frame 11 is fixedly assembled with a grid frame 12;

[0104] The grid frame 12 is fixedly assembled with a heating plate 16 on the middle and both sides, and the outer side is provided with an insulating layer.

[0105] The heating plate 16 is electrically connected with the external power supply through a wire;

[0106] The front and rear air circulation structure is assembled on the grid frame 12 and the rectangular frame 11;

[0107] The front and rear air circulation structure comprises:

[0108] The front and rear air holes 13 are arranged on the longitudinal parts of the grid frame 12 and the front and rear side walls of the rectangular frame 11;

[0109] The upper and lower air holes 14 are arranged on the transverse parts of the grid frame 12;

[0110] The fan 15 is fixedly assembled in the middle front and rear air hole 13 and is electrically connected with the external power supply through a wire;

[0111] The air direction of the fan 15 is towards the front.

[0112] Specifically, in the embodiment, the rectangular frame 11 is made of aluminum plate, steel plate or fireproof plate, which plays a supporting and insulating role;

[0113] Further, the rectangular frame 11 is designed to be sealed away from the indoor side, so that the heat emitted by the heating plate 16 is better conducted to the side close to the indoor side;

[0114] More specifically, the grid frame 12 is ventilated through the front and rear air holes 13 and the upper and lower air holes 14, the fan 15 is used to blow air forward, and the air force circulates through the front and rear air holes 13 and the upper and lower air holes 14;

[0115] It can be understood that an insulating layer is arranged on the outside of the heating plate 16 to ensure electrical safety, and the whole structure is packaged by vacuum or sealed with sealant to prevent moisture and oxidation.

[0116] In some embodiments, the hot air flow cavity plate 2 comprises:

[0117] The cavity plate 21 is fixedly connected with a strip-shaped rectangular cover 22 on the front and rear edges away from the indoor side;

[0118] The inner side of the front and rear strip-shaped rectangular covers 22 is provided with an air inlet and outlet window 23, which is connected with the same side of the front and rear air circulation structure;

[0119] The front and rear edges of the cavity plate 21 close to the indoor side are uniformly penetrated by second countersunk head bolts 24, and the ends of the second countersunk head bolts 24 are screwed to the same side edges of the back plate 6.

[0120] Specifically, in the embodiment, the cavity plate 21 is made of a material with good thermal conductivity, the front and rear strip-shaped rectangular covers 22 are arranged on the same side of the outer wall of the electric heating base layer 1, the air inlet and outlet window 23 is used for air inlet and outlet, and the front and rear air holes 13 arranged on the front and rear side walls of the rectangular frame 11 are used for air inlet and outlet.

[0121] Further, the second countersunk bolt 24 is provided with a sealing ring between the reserved through hole on the cavity plate 21 and the strip-shaped rectangular cover 22, to avoid wind leakage;

[0122] More specifically, the heat is more concentrated on the air inlet side of the cavity plate 21, and the heat is uniformly dispersed by the heat equalizing layer 3.

[0123] In some embodiments, the heat conducting layer 4 includes:

[0124] The graphene film 41 is coated with a heat conducting adhesive layer 42 between the indoor side close to the heat equalizing layer 3, and the heat conducting adhesive layer 42 is specifically a heat conducting paste, to fill the micro voids between the heat equalizing layer 3 and the graphene film 41, and reduce the contact thermal resistance;

[0125] The graphene film 41 is a prior art application, with high heat conduction performance.

[0126] Example two, please refer to Figure 5 The difference between the example one and the example two is that:

[0127] The heat equalizing layer 3 includes:

[0128] The second heat conducting plate 31b has a heat conduction coefficient greater than that of the hot air flow cavity plate 2;

[0129] The upper, middle and lower three sides of the second heat conducting plate 31b away from the indoor side of the front end are all used as radiation sources;

[0130] The heat conducting ribs 32b are radially welded to the second heat conducting plate 31b away from the indoor side, with the upper, middle and lower three side radiation sources as the center.

[0131] Specifically in this embodiment, the heat conducting ribs 32b protrude from the second heat conducting plate 31b away from the indoor side, and directly adhere to the side wall of the hot air flow cavity plate 2, to conduct heat to the second heat conducting plate 31b through the heat conducting ribs 32b;

[0132] Further, the radially distributed heat conducting ribs 32b use the upper, middle and lower three sides of the second heat conducting plate 31b away from the indoor side of the front end as radiation sources, to uniformly disperse the more concentrated heat near the hot air inlet end of the hot air flow cavity plate 2 to the entire second heat conducting plate 31b, for uniform heat conduction;

[0133] It can be understood that the heat conducting ribs 32b are a prior art application, and the heat conducting ribs 32b are a key structure for improving heat conduction efficiency and uniformity, and the heat conducting ribs 32b are made of high-efficiency heat conducting materials.

[0134] Example three, please refer to Figure 6 The difference between the example one and the example three is that:

[0135] The heat equalizing layer 3 comprises:

[0136] A third heat conducting plate 31c, which has a thermal conductivity greater than that of the hot air flow cavity plate 2;

[0137] The third heat conducting plate 31c has three radiation sources on the upper, middle and lower sides of the front end away from the indoor side;

[0138] The third heat conducting plate 31c is sequentially fixed with a first longitudinal fixing structure 32c, a second longitudinal fixing structure 33c and a third longitudinal fixing structure 34c from front to back away from the indoor side;

[0139] The first longitudinal fixing structure 32c, the second longitudinal fixing structure 33c and the third longitudinal fixing structure 34c are fixedly assembled with a micro heat pipe 35c;

[0140] The micro heat pipe 35c is radially distributed around the three radiation sources on the upper, middle and lower sides;

[0141] The first longitudinal fixing structure 32c, the second longitudinal fixing structure 33c and the third longitudinal fixing structure 34c are the same in structure, and the third longitudinal fixing structure 34c comprises:

[0142] A longitudinal strip-shaped plate 34c1 integrally formed with an arc-shaped cover 34c2 corresponding to the position of the micro heat pipe 35c on the upper side;

[0143] The arc-shaped cover 34c2 is sleeved on the outer side corresponding to the micro heat pipe 35c;

[0144] The arc-shaped cover 34c2 is provided with a fixing bolt 34c3 penetrating through the upper and lower edges, and the end of the fixing bolt 34c3 is screwed to the third heat conducting plate 31c away from the indoor side.

[0145] In this embodiment, the longitudinal strip-shaped plate 34c1 is provided with the arc-shaped cover 34c2 sleeved on the outer side corresponding to the micro heat pipe 35c, the position of the arc-shaped cover 34c2 is set according to the radially distributed micro heat pipe 35c, and the longitudinal strip-shaped plate 34c1 is fixed to the third heat conducting plate 31c away from the indoor side through the fixing bolt 34c3 on the upper and lower edges of the arc-shaped cover 34c2, so as to fix the radially distributed micro heat pipe on the upper, middle and lower sides;

[0146] Further, the radially distributed micro heat pipe 35c takes the upper, middle and lower sides of the front end of the third heat conducting plate 31c away from the indoor side as radiation sources, and uniformly radiates the relatively concentrated heat near the hot air inlet end of the hot air flow cavity plate 2 to the entire third heat conducting plate 31c, so as to uniformly conduct the heat;

[0147] More specifically, the radially distributed micro heat pipe 35c on the upper, middle and lower sides is fixed to the third heat conducting plate 31c away from the indoor side, and is convenient for dismounting and replacing the micro heat pipe 35c.

[0148] In some embodiments, the back plate 6 is fixed with a reflective layer 7 on the indoor side, for reflecting the heat radiated to the wall back to the indoor, improving the thermal efficiency.

[0149] In some embodiments, the spliced heat preservation shell 9 comprises:

[0150] The rectangular heat preservation frame 91 is sleeved outside the back plate 6, the electric heating base layer 1, the hot air flow cavity plate 2, the heat equalizing layer 3, the heat conducting layer 4 and the cover 5 after being assembled and fixed;

[0151] The rectangular heat preservation frame 91 is fixed with a heat preservation baffle 92 on the side away from the indoor through connecting bolts 93;

[0152] The rectangular heat preservation frame 91 is fixed with a fourth heat conducting plate 94 on the side close to the indoor through connecting bolts 93;

[0153] The heat preservation baffle 92, the fourth heat conducting plate 94 and the outer wall of the rectangular heat preservation frame 91 are all coated with a wear-resistant protective layer 95, which is formed by curing wear-resistant paint, and plays a protective role.

[0154] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An electric heating wallboard heat dissipation structure with uniform heat dissipation, characterized in that, Include: Electric heating base layer (1), which is attached to the back plate (6) away from the indoor side; The electric heating base layer (1) is equipped with front and rear wind circulation structure, and the wind direction is towards the front; The hot air flow cavity plate (2) is sleeved on the indoor side of the electric heating base layer (1), and the front and rear ends thereof are communicated with the same side of the front and rear wind circulation structure; The hot air flow cavity plate (2) is detachably fixed with the edge of the back plate (6) at the front and rear ends thereof; The hot air flow cavity plate (2) is attached to the heat equalizing layer (3) on the indoor side thereof, and the heat conducting layer (4) is attached to the indoor side of the heat equalizing layer (3); The first countersunk bolt (8) is fixedly connected between the heat equalizing layer (3) and the hot air flow cavity plate (2) on the indoor side of the heat equalizing layer (3); The heat equalizing layer (3) is attached to the cover (5) on the indoor side thereof, and the heat conducting layer (4) is located in the cover (5); The back plate (6) and the cover (5) are sleeved with the spliced heat preservation protective shell (9) on the outside thereof, and the indoor side thereof is a heat conducting surface; The heat equalizing layer (3) comprises: The first heat conducting plate (31a) has a heat conductivity greater than that of the hot air flow cavity plate (2); The first heat conducting plate (31a) is equipped with a radiating strip heat conducting structure (32a) away from the indoor side thereof; The radiating strip heat conducting structure (32a) comprises: The upper, middle and lower three sides of the front end of the first heat conducting plate (31a) away from the indoor side thereof are all radiation sources; The radiating strip groove (321a) is formed on the first heat conducting plate (31a) away from the indoor side thereof, with the upper, middle and lower three sides of the radiation sources as the center; The heat conducting strip (322a) is inserted into the radiating strip groove (321a), and the two ends thereof are fixedly connected with the ear plates (323a) inserted into the radiating strip groove (321a); The ear plates (323a) are fixedly connected to the bottom surface of the radiating strip groove (321a) by bolts.

2. The electric heating wallboard heat dissipation structure according to claim 1, wherein, The heat equalizing layer (3) comprises: The second heat conducting plate (31b) has a heat conductivity greater than that of the hot air flow cavity plate (2); The upper, middle and lower three sides of the front end of the second heat conducting plate (31b) away from the indoor side thereof are all radiation sources; The heat conducting ribs (32b) are radiatingly welded to the second heat conducting plate (31b) away from the indoor side thereof, with the upper, middle and lower three sides of the radiation sources as the center.

3. The electric heating wallboard heat dissipation structure of uniform heat dissipation according to claim 1, characterized in that, The heat equalizing layer (3) comprises: The third heat conducting plate (31c) has a heat conductivity greater than that of the hot air flow cavity plate (2); The upper, middle and lower three sides of the front end of the third heat conducting plate (31c) away from the indoor side thereof are all radiation sources; The first, second and third longitudinal fixing structures (32c), (33c) and (34c) are fixedly arranged on the third heat conducting plate (31c) away from the indoor side thereof from front to back; The micro heat pipes (35c) are fixedly arranged in the first, second and third longitudinal fixing structures (32c), (33c) and (34c); The micro heat pipes (35c) are radiatingly distributed with the upper, middle and lower three sides of the radiation sources as the center.

4. The electric heating wallboard heat dissipation structure of uniform heat dissipation according to claim 3, characterized in that, The first longitudinal fixing structure (32c), the second longitudinal fixing structure (33c) and the third longitudinal fixing structure (34c) are identical in structure, and the third longitudinal fixing structure (34c) comprises: A longitudinal strip-shaped plate (34c1) integrally formed with an arc-shaped cover (34c2) corresponding to the position of the micro heat pipe (35c); The arc-shaped cover (34c2) is sleeved on the outer side corresponding to the micro heat pipe (35c); The arc-shaped cover (34c2) is provided with a fixing bolt (34c3) penetrating through the upper and lower edges, and the distal end of the fixing bolt (34c3) is screwed to the third heat-conducting plate (31c) away from the indoor side.

5. The electric heating wallboard heat dissipation structure of uniform heat dissipation according to claim 1, characterized in that, The electric heating base layer (1) comprises: A rectangular frame (11) designed with a sealed end away from the indoor side; The rectangular frame (11) is fixedly assembled with a grid frame (12) inside; The grid frame (12) is fixedly assembled with a heating plate (16) on the middle part and the front and rear sides, and the outer side is provided with an insulating layer; The heating plate (16) is electrically connected to an external power source through a wire; The front and rear air circulation structures are assembled on the grid frame (12) and the rectangular frame (11).

6. The electric heating wallboard heat dissipation structure of uniform heat dissipation according to claim 5, characterized in that, The front and rear air circulation structures comprise: Front and rear ventilation holes (13) are provided on the longitudinal parts of the grid frame (12) and the front and rear side walls of the rectangular frame (11); Upper and lower ventilation holes (14) are provided on the transverse parts of the grid frame (12); A fan (15) is fixedly assembled in the middle part of the front and rear ventilation holes (13), and the fan (15) is electrically connected to an external power source through a wire; The wind direction of the fan (15) is towards the front.

7. The electric heating wallboard heat dissipation structure of uniform heat dissipation according to claim 1, characterized in that, The hot air flow cavity plate (2) comprises: A cavity plate (21) fixedly connected with a strip-shaped rectangular cover (22) on the front and rear edges away from the indoor side; Front and rear inner side surfaces of the strip-shaped rectangular cover (22) are provided with air inlet and outlet windows (23) connected with the same side of the front and rear air circulation structures; The front and rear edges of the cavity plate (21) close to the indoor side are uniformly penetrated by second countersunk bolts (24), and the distal ends of the second countersunk bolts (24) are screwed to the same side edges of the back plate (6).

8. The electric heating wallboard heat dissipation structure of uniform heat dissipation according to claim 1, characterized in that, The heat-conducting layer (4) comprises: A graphene film (41) coated with a heat-conducting adhesive layer (42) between the heat-conducting layer (3) and the indoor side.

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