TWM586790U - Heat conduction sheet structure, heating plate and heating device with heat conduction sheet structure - Google Patents

Abstract

A thermally conductive sheet structure includes an upper wall body, a lower wall body, two side wall bodies, at least one heat source member insertion portion, convection member insertion portion, and at least one detection member insertion portion. The lower wall body extends in parallel along the longitudinal direction and is parallel. The upper wall body and the lower wall body have a recessed portion that is recessed toward the upper wall body. The two side wall bodies are opposite to each other and are connected to the upper wall body and the lower wall body respectively, and are sandwiched with the upper wall body and the lower wall body to form a hollow space. The inlet part, the convection part insertion part, and the detection part insertion part are arranged in a hollow space and connected to the lower wall. The heat source part insertion hole, the convection part insertion hole, and the detection part insertion groove extend in the long direction. The created heat-conducting sheet structure can reduce the loss of thermal energy, improve the heat-conducting speed, reduce the amount of materials during manufacture, and facilitate demolding. The present invention also proposes a heating plate and a heating device having the above-mentioned thermally conductive sheet structure.

Description

Heat conducting sheet structure, heating plate with heat conducting sheet structure, and heating equipment

The present invention provides a heat conducting sheet structure, a heating plate with a heat conducting sheet structure, and a heating device, in particular a heat conducting sheet structure which can reduce the loss of thermal energy and improve the heat conduction speed, a heating plate having a heat conducting sheet structure, and a heating device.

In a heating device such as an oven, a flat plate-shaped thermally conductive sheet is usually used for heating. The structure of the traditional heat-conducting sheet is quite complicated. It usually consists of a sandwich structure composed of a heat source in the middle, mica sheets on both sides of the heat source (for insulation), and aluminum or metal sheets on the outer side. Such a thermally conductive sheet structure has large manufacturing complexity, high assembly and material costs, and the structure of the multilayer board has the disadvantages of slow heat conduction speed and high energy consumption.

In view of the shortcomings of the above-mentioned conventional technology, the creator felt that it had not been perfected, and exhausted his mind to study and overcome it, and then developed a heat conductive sheet structure, a heating plate with a heat conductive sheet structure, and a heating device.

In order to achieve the above and other objectives, the present invention provides a thermally conductive sheet structure including: an upper wall body extending along a long direction; a lower wall body extending along the long direction and parallel to the upper wall body, the lower wall The body has a recessed portion that is recessed toward the upper wall body; two side wall bodies extending along the long direction, the two side wall bodies are opposed to each other and are connected to the upper wall body and the lower wall body respectively to the upper wall body and the lower wall body; The wall body is sandwiched to form a hollow space; at least one heat source piece insertion portion is disposed in the hollow space and connected to the lower wall body, and the heat source piece insertion portion has a heat source piece insertion hole extending along the long direction; A pair of flow piece insertion portions provided in the hollow space and connecting the recessed portions of the upper wall body and the lower wall body, the flow piece insertion portion having a pair of flow piece insertion holes extending in the longitudinal direction; and At least one detection element insertion portion is disposed in the hollow space and is connected to the lower wall body. The detection element insertion portion is sandwiched with the lower wall body to form a detection element insertion groove extending in the long direction. .

In the above heat conductive sheet structure, the heat conductive sheet structure has a height direction in a normal direction of the upper wall body, and a wide direction perpendicular to the long direction and the height direction, and the recessed portion is located in the wide direction A central region, and two heat source component insertion portions are respectively located on two sides of the recessed portion in a wide direction.

In the above-mentioned heat conducting sheet structure, the detection member insertion portions are respectively provided on both sides of the heat source element insertion portion.

In the heat conducting sheet structure described above, the convection member insertion portion, the two heat source member insertion portions, and the detection member insertion portions are arranged symmetrically in the width direction.

The above-mentioned heat conductive sheet structure further includes a connecting post extending along the long direction and disposed in the hollow space, and the connecting post is connected to the heat source member insertion portion and the upper wall body.

The heat-conducting sheet structure further includes a buckling member and a buckling portion, and the buckling member and the buckling portion correspond to each other in shape and are respectively disposed on the two side wall bodies.

In the above-mentioned heat conductive sheet structure, extrusion molding is performed in the longitudinal direction.

In the heat conducting sheet structure described above, the convection member insertion portion is provided with a gas convection hole, and the gas convection hole penetrates the lower wall body.

In order to achieve the above and other objects, the present invention further provides a heating plate, which includes: a plurality of heat conducting sheet structures as described above, wherein the heat conducting sheet structure has a height direction in a normal direction of the upper wall body, and There is a width direction perpendicular to the length direction and the height direction, and a plurality of the heat conducting sheet structures are sequentially arranged along the width direction.

The above heating plate further includes an auxiliary heating element, which is disposed on one side of the heat conductive sheet structure and extends along the longitudinal direction. The auxiliary heating element is provided with at least one auxiliary heat source member insertion hole, And at least one auxiliary detection element insertion groove, the auxiliary heat source element insertion hole and the auxiliary detection element insertion groove extending along the long direction.

In the above heating plate, the auxiliary heating element is substantially hollow.

The above heating plate further includes an auxiliary heating element, which is disposed on one side of the heat conductive sheet structure and extends in the wide direction. The auxiliary heating element is provided with at least one auxiliary heat source element insertion hole and at least one auxiliary The detecting element is inserted into the groove, the auxiliary heat source element is inserted into the hole, and the auxiliary detecting element is inserted into the groove extending along the wide direction.

In order to achieve the above and other purposes, the present invention also provides a heating device, which includes: a box body; the heating plate as described above is provided in the box body; at least one heat source part is provided in the heat source part insertion hole One or more of them; at least one pair of convection pieces disposed in one or more of the convection piece insertion holes; and at least one temperature detection piece disposed in the detection piece insertion slots One or more of them.

The above heating device further includes an auxiliary heating element, which is disposed on one side of the heat conductive sheet structure. The auxiliary heating element is provided with at least one auxiliary heat source element insertion hole and at least one auxiliary detection. Pieces into the slot.

In the above heating equipment, the auxiliary heating element, the auxiliary heat source member insertion hole and the auxiliary detection member insertion groove extend along the long direction.

In the above heating equipment, the auxiliary heating element, the auxiliary heat source member insertion hole, and the auxiliary detection member insertion groove extend along the wide direction.

In the above heating device, a plurality of the heating plates are provided in the height direction.

With this, the heat conduction sheet structure of this creation has a relatively high hollow ratio under the premise that heat source parts, convection parts and temperature detection parts can be fixedly installed to reduce the loss of thermal energy, improve the heat conduction speed, reduce the amount of materials used in manufacturing, and Easy to demold. In addition, because it has the same cross-section in the long direction, it can be directly manufactured by extrusion. There is no need to stack multiple layers, which can greatly reduce manufacturing difficulties and reduce costs.

In order to fully understand the purpose, characteristics and effects of this creation, hereby use the following specific embodiments and the accompanying drawings to make a detailed description of this creation, as described later:

As shown in FIG. 1 and FIG. 2, the creative system provides a thermally conductive sheet structure 100 including an upper wall body 1, a lower wall body 2, two side wall bodies 3, 4, at least one heat source member insertion portion 5, and a pair of flow members. The insertion portion 6 and at least one detection element insertion portion 7.

The upper wall body 1 extends along a long direction d1, the lower wall body 2 also extends along the long direction d1 and is parallel to the upper wall body 1, and the lower wall body 2 has a recessed portion 21 recessed toward the upper wall body 1.

The two side wall bodies 3 and 4 extend along the longitudinal direction d1. The two side wall bodies 3 and 4 are opposite to each other and are connected to the upper wall body 1 and the lower wall body 2 respectively, and are sandwiched with the upper wall body 1 and the lower wall body 2 to form a hollow space G. . The upper wall body 1, the lower wall body 2 and the two side wall bodies 3, 4 form a rectangle, but the creation is not limited to this.

The heat source component inserting portion 5 is disposed in the hollow space G and is connected to the lower wall body 2. The heat source component inserting portion 5 has a heat source component inserting hole 51 extending in the longitudinal direction d1 and can be used to place a heat source component. In this embodiment, the heat source member insertion portion 5 is a hollow cylinder to reduce the volume occupied by the wall body in the hollow space G, but the creation is not limited to this.

The convection member insertion portion 6 is disposed in the hollow space G and connected to the recessed portion 21 of the upper wall body 1 and the lower wall body 2. The convection member insertion portion 6 has a pair of convection member insertion holes 61 extending in the longitudinal direction d1, and can be used. To place a pair of flow pieces. In the present embodiment, the convection member insertion portion 6 is a hollow cylinder to reduce the volume occupied by the wall in the hollow space G, but this creation is not limited to this.

The detection element insertion portion 7 is disposed in the hollow space G and is connected to the lower wall body 2. The detection element insertion portion 7 is sandwiched with the lower wall body 2 to form a detection element insertion groove 71 extending in the longitudinal direction d1. Can be used to place a temperature sensor. In this embodiment, the cross section of the detecting member insertion portion 7 is approximately a C-shaped structure, but the creation is not limited to this. The detection member insertion portion 7 may also have other shapes, such as a figure-eight shape, an arch shape, or a half-arch shape.

Under the premise that heat source parts, convection parts, and temperature detection parts can be fixedly installed, the thermally conductive sheet structure 100 of this creation has a relatively high hollow ratio, in order to reduce the loss of thermal energy, improve the heat conduction speed, reduce the amount of materials during manufacture, and easily remove mold. In addition, because it has the same cross-section in the long direction d1, it can be directly manufactured by extrusion. It does not need to stack multiple layers, which can greatly reduce manufacturing difficulty and reduce costs.

Further, in one embodiment, as shown in FIG. 1 and FIG. 2, the heat conductive sheet structure 100 has a height direction d2 in a normal direction of the upper wall body 1, and has a vertical direction perpendicular to the long direction d1 and the height direction d2. In the width direction d3, the recessed portion 21 is located in a central region in the width direction d3, and the two heat source component insertion portions 5 are positioned on both sides of the recessed portion 21 in the width direction d3, respectively. Thereby, the two heat source component insertion portions 5 and the recessed portions 21 are symmetrical in the wide direction d3, so that the weight of the heat conducting sheet structure 100 is balanced.

Further, in an embodiment, as shown in FIG. 1 and FIG. 2, two sides of the two heat source member insertion portions 5 are respectively provided with a detection member insertion portion 7, and the convection member insertion portions 6 and two The arrangement of the heat source element insertion portion 5 and the plurality of detection element insertion portions 7 in the width direction d3 is mirror-symmetrical.

Further, in one embodiment, as shown in FIG. 1 and FIG. 2, the thermally conductive sheet structure 100 further includes a connecting post 8 extending along the long direction d1 and disposed in the hollow space G. The connecting post 8 connects the heat source component insertion portion 5 and the upper wall body 1. Thereby, the heat source member insertion portion 5 is fixed between the upper wall body 1 and the lower wall body 2 without occupying too much volume in the hollow space G.

Further, in an embodiment, as shown in FIG. 1 and FIG. 2, the thermally conductive sheet structure 100 further includes a buckling member 91 and a buckling portion 92. The buckling member 91 and the buckling portion 92 correspond to each other in shape and respectively. It is provided on the two side wall bodies 3 and 4. With the buckling member 91 and the buckling portion 92, the plurality of heat conducting sheet structures 100 can be combined and connected along the wide direction d3 (as shown in FIG. 4).

Further, in one embodiment, the hot plate structure 100 is extruded in the longitudinal direction d1. Therefore, they have the same cross-sectional area in the long direction d1. The manufacturing method of extrusion is simple, and the mold opening and demolding are relatively easy compared with the traditional casting method.

Further, in an embodiment, as shown in FIG. 3, the convection member insertion portion 6 is provided with a gas convection hole 62, and the gas convection hole 62 penetrates the lower wall 2. The gas convection hole 62 may be manufactured after the aforementioned extrusion molding. Therefore, when the convection member insertion hole 61 is inserted into a pair of convection members (such as a fan), the convection member blows gas from the convection member insertion hole 61 to the external space through the gas convection hole 62 to promote the thermal cycle of the external space. .

As shown in FIG. 4, the present invention also proposes a heating plate 300. The heating plate 300 includes a plurality of the aforementioned thermally conductive sheet structures 100, and the plurality of thermally conductive sheet structures 100 are sequentially arranged along the width direction d3. Thereby, the heat-conducting sheet structure 100 with a single fixed width can be combined into a plurality of different-sized heating plates 300 according to the needs of the situation, thereby improving the degree of freedom in the operation of the heating plate 300.

Further, in one embodiment, as shown in FIGS. 4 to 6, the heating plate 300 further includes an auxiliary heating element 200. The auxiliary heating element 200 is disposed on one side of the heat conductive sheet structure 100 and extends along the longitudinal direction d1. The auxiliary heating element 200 is provided with at least one auxiliary heat source element insertion hole 201 and at least one auxiliary detection element insertion groove 202, and the auxiliary heat source element insertion hole 201 and the auxiliary detection element insertion groove 202 are along the long direction. extend. The auxiliary heat source element insertion hole 201 and the auxiliary detection element insertion groove 202 can be used for placing the heat source element and the temperature detection element, respectively. The auxiliary heating element 200 may be used in combination with the heat conductive sheet structure 100. For example, in a certain area of the heating plate 300, a plurality of auxiliary heating elements 200 are required to be concentratedly heated, or when the required width of the heating plate 300 is an integral multiple of the non-thermal conductive sheet structure 100, the auxiliary heating element 200 is used.

Similarly, in one embodiment, the auxiliary heating element 200 is substantially hollow, so as to reduce the loss of thermal energy, improve the heat conduction speed, reduce the amount of material during manufacture, and facilitate demolding.

As shown in FIG. 4, in this embodiment, the heating plate 300 further includes an auxiliary heating element 200 '. The auxiliary heating element 200 'has the same structure as the auxiliary heating element 200, and can be manufactured using the same extrusion die. The difference between the auxiliary heating element 200 'and the auxiliary heating element 200 is that the auxiliary heating element 200' is disposed on one side of the heat conductive sheet structure 100 and extends in a wide direction d3 (instead of a long direction d1). The inside of the auxiliary heating element 200 'is also provided with at least one auxiliary heat source element insertion hole and at least one auxiliary detection element insertion groove. The auxiliary heat source element insertion hole and auxiliary detection element insertion groove also extend in the width direction d3. . Thereby, a specific area (for example, an edge area) of the heating plate 300 can be strengthened in the wide direction d3 by the auxiliary heating element 200 '. Likewise, in one embodiment, the auxiliary heating element 200 'is substantially hollow.

As shown in FIG. 7 and referring to FIG. 1 and FIG. 2, the present invention also proposes a heating device, which includes a box B, the aforementioned heating plate 300, at least one heat source member H, at least one pair of flow members F, and at least one temperature detection device. Test piece S.

The aforementioned heating plate 300 is provided in the case B. There may be a plurality of heating plates 300 arranged in parallel along the height direction d2.

The heat source element H is provided in one or a plurality of heat source element insertion holes 51. As shown in FIG. 7, each heat source element insertion hole 51 may be provided in the heating plate 300, or only a part of the heat source element insertion holes 51 may be selectively provided to reduce the amount of components. The heat source member H is, for example, a tubular long object that can be heated, such as an electric heating rod. The heat energy generated by the heat source member H is transmitted to the outside through the heating plate 300 to heat the space inside the box B.

The convection element F is disposed in one or a plurality of the convection element insertion holes 61. As shown in FIG. 7, similarly, the convection element F may be provided in each of the convection element insertion holes 61 of the heating plate 300, or only a part of the convection element insertion holes 61 may be selectively provided to reduce the amount of components. The convection element F is, for example, an element that promotes exchange of the heat conducting sheet structure 100 with outside air, such as a fan.

The temperature detecting element S is disposed in one or a plurality of detecting element insertion grooves 71. As shown in FIG. 7, similarly, the temperature detecting element S may be provided in each detecting element insertion groove 71 of the heating plate 300, or only a part of the detecting element insertion groove 71 may be selectively provided to reduce Component usage. The temperature detecting element S may be a conventional temperature sensing element, such as a thermocouple.

In one embodiment, the heating device 400 further includes the aforementioned auxiliary heating elements 200 and 200 ′ (refer to FIG. 4). These auxiliary heating elements 200 and 200 ′ are disposed on one side of the heat conductive sheet structure 100 and the auxiliary heating elements 200 and 200 are provided. There is at least one auxiliary heat source element insertion hole 201 and at least one auxiliary detection element insertion groove 202. The auxiliary heating element 200 and its auxiliary heat source element insertion hole 201 and the auxiliary detection element insertion groove 202 extend along the long direction d1; the auxiliary heating element 200 'and its auxiliary heat source element insertion hole and the auxiliary detection element into the groove edge The width direction d3 extends.

This creation has been disclosed above with a preferred embodiment, but those skilled in the art should understand that this embodiment is only used to describe this creation, and should not be interpreted as limiting the scope of this creation. It should be noted that all changes and substitutions equivalent to this embodiment should be included in the scope of this creation. Therefore, the scope of protection of this creation shall be defined by the scope of the patent application.

100‧‧‧Conductive sheet structure
200‧‧‧ auxiliary heating element
200'‧‧‧ auxiliary heating element
300‧‧‧Heating plate
400‧‧‧Heating equipment
1‧‧‧ upper wall
2‧‧‧ lower wall
201‧‧‧ Auxiliary heating element insertion hole
202‧‧‧ Auxiliary detection parts
21‧‧‧ Depression
3‧‧‧ sidewall body
4‧‧‧ sidewall body
5‧‧‧ Heat source component placement section
51‧‧‧ heat source component insertion hole
6‧‧‧ Convection part placement section
61‧‧‧Convection piece insertion hole
62‧‧‧Gas convection hole
7‧‧‧ Detector placement section
71‧‧‧Detection piece into slot
8‧‧‧ Connecting Post
91‧‧‧Snap fastener
92‧‧‧Snap
B‧‧‧Box
d1‧‧‧long direction
d2‧‧‧ height direction
d3‧‧‧wide direction
F‧‧‧Convection
G‧‧‧Hollow Space
H‧‧‧ heat source
S‧‧‧Temperature detector

FIG. 1 is a schematic perspective view of the structure of a thermally conductive sheet according to a preferred embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of a structure of a thermally conductive sheet according to a preferred embodiment of the present invention.
FIG. 3 is a schematic perspective view of a gas convection hole in a preferred embodiment of the present invention.
FIG. 4 is a schematic perspective view of a heating plate according to a preferred embodiment of the present invention.
FIG. 5 is a perspective view of the auxiliary heating element in the preferred embodiment of the present invention.
FIG. 6 is a schematic cross-sectional view of an auxiliary heating element according to a preferred embodiment of the present invention.
FIG. 7 is a schematic cross-sectional view of a heating device according to a preferred embodiment of the present invention.

Claims (18)

A thermally conductive sheet structure includes:
An upper wall body extending along a long direction;
A lower wall body extending along the long direction and parallel to the upper wall body, the lower wall body having a recessed portion recessed toward the upper wall body;
Two side wall bodies extending along the long direction, the two side wall bodies being opposite to each other and respectively connecting the upper wall body and the lower wall body to be sandwiched with the upper wall body and the lower wall body to form a hollow space;
At least one heat source piece inserting portion is disposed in the hollow space and connected to the lower wall body, the heat source piece inserting portion has a heat source piece inserting hole extending along the long direction;
A pair of flow piece insertion portions provided in the hollow space and connecting the recessed portions of the upper wall body and the lower wall body, the flow piece insertion portion having a pair of flow piece insertion holes extending in the longitudinal direction; and At least one detection element insertion portion is disposed in the hollow space and is connected to the lower wall body. The detection element insertion portion is sandwiched with the lower wall body to form a detection element insertion groove extending in the long direction. . The heat conductive sheet structure according to claim 1, wherein the heat conductive sheet structure has a height direction in a normal direction of the upper wall body, and a wide direction perpendicular to the long direction and the height direction, and the recessed portion is in The width direction is located in a central area, and the heat source member insertion portions are located on both sides of the depression portion in the width direction, respectively. The heat conducting sheet structure according to claim 2, wherein the detecting member inserting portions are respectively provided on both sides of the heat source member inserting portion. The heat conducting sheet structure according to claim 3, wherein the arrangement of the convection element insertion portion, the two heat source element insertion portions, and the detection element insertion portions in the width direction is mirror-symmetrical. The heat-conducting sheet structure according to claim 1, further comprising a connecting post extending along the long direction and disposed in the hollow space, the connecting post connecting the heat source component insertion portion and the upper wall body. The heat-conducting sheet structure according to claim 1, further comprising a buckle and a buckle portion, and the buckle and the buckle portion correspond to each other in shape and are respectively provided on the two side wall bodies. The heat conductive sheet structure according to claim 1 is extruded in the longitudinal direction. The heat conductive sheet structure according to claim 1, wherein the convection member insertion portion is provided with a gas convection hole, and the gas convection hole penetrates the lower wall. A heating plate comprising:
A plurality of thermally conductive sheet structures as described in any one of claims 1 to 8,
Wherein, the heat conducting sheet structure has a height direction in a normal direction of the upper wall body and a width direction perpendicular to the long direction and the height direction, and the plurality of heat conducting sheet structures are sequentially arranged along the width direction. The heating plate according to claim 9, further comprising an auxiliary heating element, the auxiliary heating element is disposed on one side of the thermally conductive sheet structure and extends along the long direction, and at least one auxiliary heat source is provided inside the auxiliary heating element The insertion hole and at least one auxiliary detection element insertion groove, the auxiliary heat source element insertion hole and the auxiliary detection element insertion groove extend along the long direction. The heating plate according to claim 10, wherein the auxiliary heating element is substantially hollow. The heating plate according to claim 9, further comprising an auxiliary heating element, which is disposed on one side of the heat conductive sheet structure and extends in the wide direction. The auxiliary heating element is provided with at least one auxiliary heat source element insertion hole, And at least one auxiliary detection element insertion groove, the auxiliary heat source element insertion hole and the auxiliary detection element insertion groove extending along the wide direction. The heating plate according to claim 12, wherein the auxiliary heating element is substantially hollow. A heating device comprising:
A box
The heating plate according to claim 9 is installed in the cabinet;
At least one heat source element, which is disposed in one or a plurality of the heat source element insertion holes;
At least one pair of convection members is disposed in one or a plurality of the convection member insertion holes; and at least one temperature detection member is disposed in one or a plurality of the detection member insertion slots. The heating device according to claim 14, further comprising an auxiliary heating element, the auxiliary heating element is disposed on one side of the heat conductive sheet structure, and the auxiliary heating element is provided with at least one auxiliary heat source element insertion hole, and at least An auxiliary detection member is placed in the slot. According to the heating device described in claim 15, the auxiliary heating element, the auxiliary heat source member insertion hole and the auxiliary detection member insertion groove extend along the long direction. According to the heating device described in claim 15, the auxiliary heating element, the auxiliary heat source member insertion hole, and the auxiliary detection member insertion groove extend along the wide direction. The heating device according to claim 14, wherein a plurality of the heating plates are provided in the height direction.