CN218103550U - Heat insulation board - Google Patents

Abstract

The utility model discloses a heat-insulating board. This heated board includes the heated board body, the heated board body has the heating structure that is used for generating heat, the bottom of heated board body has the bottom surface, be formed with heat radiation structure on the bottom surface, heat radiation structure be used for with the heat of heated board body bottom distributes away, heat radiation structure is formed with the air current passageway, heat radiation structure transmits the heat of bottom surface can be along with the flow of air current is taken away in the air current passageway. According to the utility model discloses an insulation board forms heat radiation structure through the bottom surface at the insulation board body, can distribute away the unnecessary heat of insulation board body bottom to avoid the insulation board body to scald desktop or the article on the desktop.

Description

Heat insulation board

Technical Field

The utility model relates to a heat preservation equipment technical field particularly, relates to an insulation board.

Background

Among the correlation technique, the heated board is because product itself is thinner, and heating structure is two-way generating heat, if the heat that heating structure sent most conducts the desktop and causes the desktop to be scalded, also can scald other objects of heated board below, causes loss of property for the user.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides an insulation board can effectively reduce the heat that the insulation board conducts to the desktop.

According to the utility model discloses heated board includes the heated board body, the heated board body has the heating structure that is used for generating heat, the bottom of heated board body has the bottom surface, be formed with heat radiation structure on the bottom surface, heat radiation structure be used for with the heat of heated board body bottom distributes away, heat radiation structure is formed with airflow channel, heat radiation structure transmits the heat of bottom surface can be along with the flow of air current is taken away in the airflow channel.

According to the utility model discloses heated board through the bottom surface formation heat radiation structure at the heated board body, can distribute away the unnecessary heat of heated board body bottom to avoid the heated board body to scald article on desktop or the desktop.

According to some embodiments of the invention, the heat dissipation structure comprises a heat sink, the heat sink is configured to be formed as a groove on the bottom surface, and the heat sink is recessed to above the bottom surface.

According to some embodiments of the utility model, heat radiation structure includes the protruding muscle of heat dissipation of bar, the protruding muscle of heat dissipation to the below protrusion of bottom surface.

According to the utility model discloses a some embodiments, the protruding height of the protruding muscle of heat dissipation is 1mm ~ 20mm.

According to the utility model discloses a some embodiments, the protruding muscle of heat dissipation is many, adjacent two form the radiating groove between the protruding muscle of heat dissipation.

According to the utility model discloses a some embodiments, at the perpendicular to in the cross section of the protruding muscle extending direction of heat dissipation, the upper end width of the protruding muscle of heat dissipation is greater than the lower extreme width of the protruding muscle of heat dissipation.

Furthermore, in a cross section perpendicular to the extending direction of the heat dissipation convex rib, the upper end and the lower end of the heat dissipation convex rib are connected through two oblique lines with gradually reduced distances, wherein the included angle between one oblique line and the horizontal plane is 3-90 degrees, and the included angle between the other oblique line and the horizontal plane is 90-177 degrees.

According to some embodiments of the utility model, the heat radiation structure includes the heat dissipation bump, the heat dissipation bump to the below protrusion of bottom surface.

According to some embodiments of the utility model, the heated board body has first casing, second casing, the second casing is located the top of first casing, the heating structure is located first casing between the second casing, the bottom surface is including being located the first bottom surface portion of first casing bottom and/or being located the second bottom surface portion of second casing bottom.

According to some embodiments of the utility model, the heated board body still has thermal-insulated structure, thermal-insulated structure sets up the orientation of heating structure one side of first casing.

According to the utility model discloses a some embodiments, the bottom surface include with the first region that heating structure corresponds and with the staggered second area of heating structure, airflow channel is including locating the first airflow channel of first region and locating the second airflow channel of second area, second airflow channel intercommunication extremely the side of heated board body, first airflow channel with second airflow channel intercommunication.

According to the utility model discloses a some embodiments, the heated board still includes the frame strip, the frame strip sets up the one end of heated board body, the heated board body have with two sides that the frame strip links to each other, two sides set up relatively, airflow channel communicates two sides.

According to some embodiments of the present invention, the cross-sectional area of the one end of the heat generating structure is smaller than the cross-sectional area of the one end of the heat generating structure.

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

Fig. 1 is an exploded schematic view of an insulation board according to an embodiment of the present invention at a viewing angle;

fig. 2 is an exploded schematic view of an insulation board according to an embodiment of the present invention at another viewing angle;

fig. 3 is a schematic view of a heat-insulating board provided with heat dissipation grooves according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view at A of FIG. 3;

fig. 5 is a schematic view of a heat-insulating board provided with heat-dissipating ribs according to an embodiment of the present invention;

FIG. 6 is an enlarged partial schematic view at B in FIG. 5;

fig. 7 is a schematic view of a heat-insulating board provided with heat-dissipating bumps according to an embodiment of the present invention.

Reference numerals:

the heat insulation board comprises a heat insulation board 10, a heat insulation board body 1, a first shell 111, a second shell 112, a heating structure 12, a heat insulation structure 13, a control device 2, a side frame strip 3, a heat dissipation structure 4, a heat dissipation groove 41, a heat dissipation convex rib 42 and a heat dissipation convex point 43.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "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 referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically, electrically or otherwise in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The insulation board 10 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 7.

Referring to fig. 1-2, according to the utility model discloses heated board 10 includes heated board body 1, and heated board body 1 has heating structure 12, and heating structure 12 during operation is used for generating heat to treat the heat preservation thing to heated, keep warm above heated board body 1. Alternatively, the object to be kept warm may be tableware, and may also be food to be thawed.

The bottom of heated board body 1 has the bottom surface, is formed with heat radiation structure 4 on the bottom surface, and heat radiation structure 4 is used for distributing away the heat of heated board body 1 bottom. The heat of 1 bottom of heated board body can be taken away to heat radiation structure 4 for the heat of 1 bottom of heated board body can not conduct the desktop and scald article.

The heat radiation structure 4 is formed with airflow channel, and the heat of the bottom surface that the heated board body 1 was transmitted to heating structure 12 can be taken away along with the flow of airflow in the airflow channel for the heat of heating structure 12 can not conduct the desktop and scald article.

According to the utility model discloses heated board 10 through the bottom surface formation heat radiation structure 4 at heated board body 1, can distribute away the unnecessary heat of heated board body 1 bottom to avoid heated board body 1 to scald desktop or the article on the desktop.

In some embodiments of the present invention, as shown in fig. 3 to 4, the heat dissipation structure 4 may include a heat dissipation groove 41, the heat dissipation groove 41 is configured as a groove formed on the bottom surface, and the heat dissipation groove 41 is recessed toward the upper side of the bottom surface. The heat dissipation grooves 41 can increase the air flow at the bottom of the heat insulation board body 1, so that the heat dissipation effect at the bottom of the heat insulation board body 1 is enhanced.

The number of the heat dissipation grooves 41 may be plural, and the plural heat dissipation grooves 41 are dispersedly arranged on the bottom surface, so that heat dissipation is performed at plural positions, which is beneficial to improving heat dissipation efficiency.

Optionally, the heat dissipation groove 41 is in a strip shape, and the heat dissipation groove 41 extends at least to the edge of the bottom surface, so that the heat inside the heat insulation board body 1 can reach the edge of the bottom surface through the heat dissipation groove 41, and then reaches the outside of the heat insulation board body 1.

In some embodiments of the present invention, as shown in fig. 1 and fig. 5 to fig. 6, the heat dissipation structure 4 may include a heat dissipation rib 42, the heat dissipation rib 42 is in a bar shape, and the heat dissipation rib 42 protrudes below the bottom surface. The bottom surface and the desktop of heated board body 1 are separated to protruding muscle 42 of heat dissipation to make the air flow between the bottom surface of heated board body 1 and desktop, in order to take away the unnecessary heat of heated board body 1 bottom, reach and carry out radiating effect to the bottom of heated board body 1.

In some embodiments of the present invention, referring to fig. 6, the protruding height of the heat dissipation ribs 42 is 1mm to 20mm. The protruding height of the heat dissipation convex rib 42 is H, and H satisfies the relation: h is more than or equal to 1mm and less than or equal to 20mm. Alternatively, H may be 5mm, 10mm, 15mm, 20mm, etc., and H may be other values between 1mm and 20mm, which are not listed here.

In some embodiments of the present invention, as shown in fig. 6, the heat dissipating ribs 42 are multiple, and a heat dissipating groove 41 is formed between two adjacent heat dissipating ribs 42. The plurality of heat dissipation ribs 42 are arranged on the bottom surface in a dispersed manner, so that heat dissipation is facilitated at a plurality of positions, and the improvement of the heat dissipation efficiency is facilitated.

Optionally, the plurality of heat dissipation ribs 42 are arranged in parallel, which is beneficial to simplifying the processing technology of the heat dissipation ribs 42, and the plurality of heat dissipation ribs 42 arranged in parallel are more beautiful.

In some embodiments of the present invention, referring to fig. 6, in the cross section perpendicular to the extending direction of the heat dissipation ribs 42, the width of the upper end of the heat dissipation ribs 42 is greater than the width of the lower end of the heat dissipation ribs 42. Therefore, the size of the heat dissipation convex rib 42 can be reduced as much as possible under the condition of ensuring the strength of the heat dissipation convex rib 42, so that the air circulation space around the heat dissipation convex rib 42 is increased, and the heat dissipation efficiency is improved.

Further, in a cross section perpendicular to the extending direction of the heat dissipation rib 42, the upper end and the lower end of the heat dissipation rib 42 are connected by two oblique lines with gradually decreasing distances, wherein an included angle between one oblique line and the horizontal plane is 3-90 degrees, and an included angle between the other oblique line and the horizontal plane is 90-177 degrees. Specifically, in a cross section perpendicular to the extending direction of the heat dissipating rib 42, the right side of the heat dissipating rib 42 is a right oblique line, the left side of the heat dissipating rib 42 is a left oblique line, and the distance between the right oblique line and the left oblique line gradually decreases in the upward-downward direction. The included angle between the right oblique line and the horizontal plane is alpha, and the alpha satisfies the relational expression: 3 DEG-alpha is less than or equal to 90 DEG, alpha can be 15 DEG, 30 DEG, 45 DEG, 60 DEG, 90 DEG and the like, and alpha can be other numerical values between 3 DEG and 90 DEG, which are not listed any more. The included angle between the left oblique line and the horizontal plane is beta, and the beta satisfies the relational expression: 90 DEG-beta-177 DEG, alternatively beta can be 90 DEG, 105 DEG, 120 DEG, 135 DEG, 150 DEG, etc., of course beta can also be other values between 90 DEG and 177 DEG, which are not listed here.

In some embodiments of the present invention, referring to fig. 7, the heat dissipation structure 4 may include a heat dissipation bump 43, and the heat dissipation bump 43 protrudes below the bottom surface. The bottom surface and the desktop of heated board body 1 are separated to heat dissipation bump 43 to make the air flow between the bottom surface of heated board body 1 and desktop, in order to take away the unnecessary heat of heated board body 1 bottom, reach and carry out radiating effect to the bottom of heated board body 1.

Optionally, the heat dissipation protruding points 43 may be one or a combination of a cylindrical protruding point, a spherical protruding point, and a conical protruding point, and the heat dissipation protruding points 43 may increase a heat dissipation space at the bottom of the insulation board body 1, and increase the flow of air to take away heat.

Alternatively, the heat dissipation structure 4 may be one or more combinations of heat dissipation grooves 41, heat dissipation ribs 42, and heat dissipation bumps 43. For example, in the embodiments of fig. 1, 5-6, the heat dissipation structure 4 is a heat dissipation rib 42; in the embodiment of fig. 7, the heat dissipation structure 4 is a combination of heat dissipation ribs 42 and heat dissipation bumps 43.

In some embodiments of the present invention, the insulation board body 1 has a first shell 111 and a second shell 112, the second shell 112 is located above the first shell 111, in other words, the second shell 112 is an upper shell, and the first shell 111 is a lower shell. The heating structure 12 is located between the first casing 111 and the second casing 112, the first casing 111 and the second casing 112 can protect the heating structure 12, and the heat generated by the heating structure 12 can heat and insulate the object to be insulated above the second casing 112. The bottom surface includes a first bottom surface portion at the bottom of the first housing 111 and/or a second bottom surface portion at the bottom of the second housing 112. In the embodiment shown in fig. 1, the bottom surface includes a first bottom surface portion located at the bottom of the first housing 111 and a second bottom surface portion located at the bottom of the second housing 112, that is, the bottom of the first housing 111 and the bottom of the second housing 112 are both provided with the heat dissipation structure 4. In some embodiments not shown in the drawings, the bottom surface includes only the first bottom surface portion located at the bottom of the first housing 111, that is, the heat dissipation structure 4 is only disposed at the bottom of the first housing 111. In other embodiments not shown in the figures, the bottom surface includes only the second bottom surface portion located at the bottom of the second casing 112, that is, the heat dissipation structure 4 is only disposed at the bottom of the second casing 112.

The utility model discloses an in some embodiments, heated board body 1 still has thermal-insulated structure 13, thermal-insulated structure 13 sets up in one side towards first casing 111 of heating structure 12, thermal-insulated structure 13 can make the heat of heating structure 12 transmit to second casing 112 direction, prevent the heat to transmit to first casing 111 direction, in other words, thermal-insulated structure 13 sets up the downside at heating structure 12, thermal-insulated structure 13 can make the heat of heating structure 12 upwards transmit, prevent the heat downwards transmit, the heat that can reduce heating structure 12 like this is to the radiation of desktop, can prevent that heated board 10 from scalding the desktop. Heating structure 12 and thermal-insulated structure 13 are the lamellar structure, like this, can reduce thermal-insulated structure 13 and heating structure 12's total installation thickness, are favorable to realizing the frivolous design of heated board body 1. The heat insulation structure 13 is used in cooperation with the heat dissipation structure 4, so that the heat transferred to the table top by the heat insulation board 10 can be further reduced.

The projection of the heat generating structure 12 on the first housing 111 is located within the projection of the heat insulating structure 13 on the first housing 111. In this way, the heat insulating structure 13 can block the heat of the heat generating structure 12 over the entire surface, thereby further reducing the amount of heat transferred in the direction of the first housing 111. When the heat generating structure 12 and the heat insulating structure 13 are both sheet-shaped structures, it can also be said that the area of the heat generating structure 12 is smaller than that of the heat insulating structure 13.

In some embodiments of the present invention, the thermal insulation structure 13 is one or more of aerogel, asbestos fiber, glass fiber, ceramic fiber, aramid fiber, and mica sheet. Wherein, aerogel, asbestos fibre, glass fiber, ceramic fiber, aramid fiber, mica sheet all have thermal-insulated effect, and the product nature can not change under the high temperature condition moreover, consequently are fit for as thermal-insulated structure 13 to keep apart the heat of generating heat structure 12 downward transmission. Under the 12 normal power effects of heating structure, the upper surface of heated board body 1 has been can keep 100 ℃ of temperature, but has used aerogel's insulator, and the temperature of reaching heated board body 1 bottom is below 50 ℃ only, and the temperature can not scald and scald article in the bad product service environment.

In some embodiments of the present invention, the first shell 111 and the second shell 112 are flexible shells, and the insulation board 10 is a flexible insulation board.

In some embodiments, the first housing 111 and the second housing 112 are both silicone housings. In other embodiments, the first housing 111 and the second housing 112 are both high temperature resistant rubber housings. Of course, the first housing 111 and the second housing 112 may be made of other flexible materials.

In some embodiments, as shown in fig. 1 to 7, the heat insulation board 10 may further include a control device 2 and a side frame strip 3, the side frame strip 3 and the control device 2 are respectively disposed at two opposite ends of the heat insulation board body 1, and the control device 2 has a control unit, and the control unit is electrically connected to the heat generating structure 12. In some embodiments, the insulation board body 1 is a flexible structure to allow the insulation board body 1 to be rolled up for storage. Control device 2 and side frame strip 3 all include the rigidity casing, like this, when insulation board body 1 expandes, control device 2 and side frame strip 3 homoenergetic can be for insulation board body 1 provides the support, and control device 2 and side frame strip 3 push down insulation board body 1's both ends, prevent that insulation board body 1 warpage from influencing the outward appearance, and simultaneously, control device 2 and side frame strip 3 can also regard as the decoration to provide pleasing to the eye visual effect. The control device 2 and the frame strip 3 can also serve as a support during winding when the insulation panel body 1 is wound. Alternatively, the rigid housing may be a plastic housing or a metal housing.

In some embodiments, the bottom surface includes a first area corresponding to the heat generating structure 12 and a second area staggered from the heat generating structure 12, the airflow channel includes a first airflow channel disposed in the first area and a second airflow channel disposed in the second area, the second airflow channel is communicated to the side of the insulation board body 1, and the first airflow channel is communicated with the second airflow channel. The heat in the first area can be transmitted to the second airflow channel through the first airflow channel, and then transmitted to the side of the insulation board body 1 through the second airflow channel, and further transmitted to the outside air through the side of the insulation board body 1, so that the heat of the heating structure 12 can not be transmitted to the table top to scald articles.

In some embodiments, the heat-insulating board 10 may further include a frame strip 3, the frame strip 3 is disposed at one end of the heat-insulating board body 1, the heat-insulating board body 1 has two sides connected to the frame strip 3, the two sides are disposed oppositely, and the air channel communicates the two sides, so that the heat of the heating structure 12 can be transmitted to the two sides through the air channel, and then transmitted to the outside air through the two sides, so that the heat of the heating structure 12 can not be transmitted to the desktop to scald the articles.

In some embodiments, the cross-sectional area of the end of the airflow channel near the heat generating structure 12 is smaller than the cross-sectional area of the end of the airflow channel far from the heat generating structure 12, so that the change in the cross-sectional area of the airflow channel can accelerate the airflow, which is beneficial to increase the heat dissipation efficiency.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (13)

1. An insulation board, comprising: the heat-insulation board body, the heat-insulation board body has the heating structure who is used for generating heat, the bottom of heat-insulation board body has the bottom surface, be formed with heat radiation structure on the bottom surface, heat radiation structure be used for with the heat of heat-insulation board body bottom distributes away, heat radiation structure is formed with the air current passageway, heat radiation structure transmits the heat of bottom surface can be along with the flow of air current is taken away in the air current passageway.

2. The thermal insulation board of claim 1, wherein the heat dissipating structure comprises heat dissipating slots configured as grooves formed on the bottom surface, and wherein the heat dissipating slots are recessed above the bottom surface.

3. The insulation board according to claim 1, wherein the heat dissipation structure comprises a strip-shaped heat dissipation rib, and the heat dissipation rib protrudes below the bottom surface.

4. The heat insulation board according to claim 3, wherein the protruding height of the heat dissipation ribs is 1mm to 20mm.

5. The heat insulation board according to claim 3, wherein the plurality of heat dissipation ribs form heat dissipation grooves between two adjacent heat dissipation ribs.

6. The insulation board according to claim 3, wherein in a cross section perpendicular to an extending direction of the heat dissipation ribs, an upper end width of the heat dissipation ribs is larger than a lower end width of the heat dissipation ribs.

7. The heat-insulating board according to claim 6, wherein in a cross section perpendicular to the extending direction of the heat-dissipating ribs, the upper ends and the lower ends of the heat-dissipating ribs are connected by two oblique lines with gradually decreasing distances, wherein an included angle between one oblique line and a horizontal plane is 3-90 degrees, and an included angle between the other oblique line and the horizontal plane is 90-177 degrees.

8. The insulation board according to any one of claims 1 to 7, wherein the heat dissipation structure comprises heat dissipation bumps that protrude below the bottom surface.

9. The heat insulation board according to claim 1, wherein the heat insulation board body has a first shell and a second shell, the second shell is located above the first shell, the heating structure is located between the first shell and the second shell, and the bottom surface includes a first bottom surface portion located at the bottom of the first shell and/or a second bottom surface portion located at the bottom of the second shell.

10. The insulation board according to claim 9, wherein the insulation board body further has a thermal insulation structure disposed on a side of the heat generating structure facing the first housing.

11. The heat insulation board according to claim 1, wherein the bottom surface includes a first region corresponding to the heat generating structure and a second region offset from the heat generating structure, the airflow channel includes a first airflow channel provided in the first region and a second airflow channel provided in the second region, the second airflow channel is communicated to a side of the heat insulation board body, and the first airflow channel is communicated with the second airflow channel.

12. The heat insulation board according to claim 1, further comprising a frame strip, wherein the frame strip is disposed at one end of the heat insulation board body, the heat insulation board body has two sides connected to the frame strip, the two sides are disposed opposite to each other, and the airflow channel communicates with the two sides.

13. The insulation board according to claim 1, wherein a cross-sectional area of an end of the airflow channel near the heat generating structure is smaller than a cross-sectional area of an end of the airflow channel far from the heat generating structure.

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