Flexible heat preservation pad

Abstract

The utility model discloses a flexible heat preservation pad which comprises a heating pad body made of flexible materials. The control mechanism is fixedly arranged on the side edge of the heating pad body; the heating element is fixedly arranged in the heating pad body, is electrically connected with the control mechanism and is made of a flexible material; a plurality of air holes are formed in the control mechanism in a penetrating mode and covered with a waterproof breathable film. The air holes are formed in the control mechanism in a penetrating mode, the waterproof breathable films are arranged on the air holes, air convection can be conducted between outside air and the control mechanism through the waterproof breathable films, meanwhile, liquid can be prevented from entering the control mechanism, and therefore condensed water drops in the control mechanism are prevented from being formed; the problem that an electrical part of an existing heating pad is damaged due to condensate water is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation pads, in particular to a flexible thermal insulation pad. Background Art

[0002] As people's living standards continue to improve, they pay more attention to nutrition and flavor in their diet, and pay more attention to keeping the food fresh from beginning to end. At present, the existing dining table can provide convenience for diners to get food, but it cannot keep hot food at a constant temperature, thus affecting the diners' taste; and many users want to eat hot meals when they return home after overtime, and they have to reheat the meals, which will affect the taste of the meals.

[0003] Publication number CN219742383U provides a flexible insulation board, including a heating pad and a heating wire; the heating pad is formed with a limit groove for the heating wire to pass through, and the limit groove is evenly distributed around the heating pad; the heating pad is provided with a power supply, and the end of the heating wire is connected to the power supply; a plurality of protruding structures are formed on the end surface of one end of the heating pad, and the height of all the protruding structures is equal; the heating pad and the heating wire are made of flexible materials. Although this technical solution realizes the function of keeping food warm, generally in order to enhance the waterproof performance of the insulation board, its electrical parts are sealed, but because the heating wire and the circuit board are electrically connected in the sealed shell, the connection end of the heating wire will heat the air in the sealed shell, and when the hot air cools down, it will condense into water droplets, which may cause the circuit board to short-circuit, thereby causing damage to the insulation board; therefore, a flexible insulation pad is provided to solve the above problems. Utility Model Content

[0004] One of the purposes of the utility model is to provide a flexible thermal insulation pad so as to solve the problem that the electrical part of the existing heating pad is damaged due to condensed water.

[0005] The utility model can realize a flexible thermal insulation pad by the following technical solutions:

[0006] The utility model discloses a flexible heat preservation pad, comprising a heating pad body, which is made of a flexible material; a control mechanism, which is fixedly arranged on the side of the heating pad body; a heating element, which is fixedly arranged in the heating pad body and electrically connected to the control mechanism, and the heating element is made of a flexible material;

[0007] The control mechanism is provided with a plurality of air holes, and the plurality of air holes are covered with a waterproof and breathable membrane, which allows gas to enter the control mechanism but prevents liquid from entering the control mechanism.

[0008] In one embodiment, the control mechanism includes a shell assembly, which is a hollow cavity, and the shell assembly is snap-fitted onto the heating pad body; a circuit board fixedly disposed in the shell assembly and electrically connected to the heating element; an electrical connector that passes through the shell assembly and is electrically connected to the circuit board; and a button assembly that is fixedly disposed on the circuit board and passes through the shell assembly.

[0009] In one embodiment, the shell assembly includes a main shell and a cover plate that are fixedly connected; a plurality of ventilation holes are arranged through the main shell; and a key plate is arranged on the cover plate and corresponds to the position of the key assembly.

[0010] In one embodiment, a plurality of fixing columns are disposed in the main shell, and the cover plate is fixedly connected to the plurality of fixing columns by screws.

[0011] In one embodiment, a through hole is formed through the side of the main housing, and the electrical connector is fixedly disposed through the through hole and is electrically connected to the circuit board.

[0012] In one embodiment, the heating pad body includes a pad body; a plurality of support columns are evenly arranged on one side of the pad body, and the plurality of support columns are integrally formed with the pad body.

[0013] In one embodiment, a temperature variable layer is provided on one side of the pad body opposite to the plurality of support pillars.

[0014] In one embodiment, limiting grooves are evenly arranged on the same side of the pad body and the plurality of support columns, and the heating element is arranged in the limiting grooves.

[0015] In one embodiment, a connecting cavity is provided on the side of the pad body, and a snap ring is provided on the inner circle of the connecting cavity; a snap groove is provided around the inner wall of the side of the main shell, and the snap ring is snapped in the snap groove.

[0016] In one embodiment, the heating element is a silicone heating wire, a carbon fiber heating wire, a graphene heating wire, a PVC heating wire or a polytetrafluoroethylene heating wire.

[0017] Compared with the prior art, the flexible thermal insulation pad of the utility model has the following beneficial effects:

[0018] The utility model discloses a flexible thermal insulation pad with multiple air holes penetrating through the control mechanism, and a waterproof breathable membrane is provided on the multiple air holes. The waterproof breathable membrane allows air convection between the outside air and the control mechanism, and at the same time can prevent liquid from entering the control mechanism, thereby preventing the formation of condensed water droplets in the control mechanism, effectively solving the problem of electrical damage caused by condensed water in the existing heating pad; at the same time, the heating pad body and the heating element are made of flexible materials, which makes it convenient to store the flexible thermal insulation pad when not in use, thereby reducing the occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a structural schematic diagram of a flexible thermal insulation pad of the utility model;

[0021] Figure 2 yes Figure 1 The structure diagram of the flexible thermal insulation pad of the utility model from another perspective is shown;

[0022] Figure 3 yes Figure 1 The cross-sectional structure diagram of a flexible thermal insulation pad of the utility model is shown;

[0023] Figure 4 yes Figure 1 The exploded structural schematic diagram of a flexible thermal insulation pad of the utility model is shown, comprising a heating pad body and a main shell;

[0024] Figure 5 yes Figure 4 The structural schematic diagram of the heating pad body shown;

[0025] Figure 6 yes Figure 4 The structural schematic diagram of the main shell is shown.

[0026] Markings in the figure: 10, flexible thermal insulation pad; 11, heating pad body; 111, pad body; 1111, limiting groove; 1112, connecting cavity; 11121, clamping ring; 112, supporting column; 12, control mechanism; 121, shell assembly; 1211, main shell; 12111, air vent; 12112, clamping groove; 12113, fixing column; 12114, through hole; 12115, foot pad; 1212, cover plate; 1213, key board; 122, circuit board; 123, electrical connector; 124, key assembly; 125, waterproof and breathable membrane; 13, heating element. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 4 As shown, the utility model provides a flexible thermal insulation pad 10 which mainly comprises a heating pad body 11, a control mechanism 12 and a heating element 13; the heating pad body 11 is a support for the heating carrier; the control mechanism 12 is fixedly arranged on the side of the heating pad body 11; the heating element 13 is fixedly arranged in the heating pad body 11 and is electrically connected to the control mechanism 12, and the control mechanism 12 controls the heating element 13; the heating pad body 11 and the heating element 13 are both made of flexible material, which is convenient for storing the flexible thermal insulation pad 10, and the space occupied by the flexible thermal insulation pad 10 can be reduced by storing the flexible thermal insulation pad 10 when not in use.

[0030] See also Figure 1-Figure 5 As shown, in the present embodiment, the heating pad body 11 includes a pad body 111 and a plurality of support columns 112; the plurality of support columns 112 are respectively and evenly arranged on one side of the pad body 111, and the heights of the plurality of support columns 112 are consistent; specifically, the plurality of support columns 112 are integrally formed with the pad body 111; a temperature-changing layer is superimposed on one side of the pad body 111 relative to the plurality of support columns 112; preferably, the temperature-changing layer includes a pattern, and the color of the pattern changes as the temperature rises, preferably but not limited to, the closer the color is to red, the higher the temperature is.

[0031] See also Figure 5 As shown, in this embodiment, the pad body 111 and the plurality of support columns 112 are evenly provided with limiting grooves 1111 on the same side, the heating element 13 is provided in the limiting groove 1111 and is electrically connected to the control mechanism 12, and the heating element 13 is fixedly provided in the limiting groove 1111 by liquid glue; preferably, the limiting groove 1111 is provided with a plurality of buckles, and the heating element 13 is fixedly engaged in the limiting groove 1111 by the plurality of buckles. Specifically, a connecting cavity 1112 is provided on the side of the pad body 111, and the control mechanism 12 is engagedly arranged on the connecting cavity 1112, so that the control mechanism 12 is fixedly connected to the pad body 111; a snap ring 11121 is provided on the inner circle of the connecting cavity 1112, and the snap ring 11121 is engagedly connected with the control mechanism 12.

[0032] See also Figure 1-Figure 4 As shown, the control mechanism 12 includes a shell component 121, a circuit board 122, an electrical connector 123, a button component 124 and a plurality of waterproof breathable membranes 125; the shell component 121 is a hollow cavity, which is snap-fitted on the connecting cavity 1112, and a plurality of air holes 12111 are penetrated on the shell component 121; the circuit board 122 is fixedly disposed in the shell component 121, and is electrically connected to the heating element 13; the electrical connector 123 is penetrated in the shell component 121 and is electrically connected to the circuit board 122, and the electrical connector 123 is detachably electrically connected to the connecting wire, The power supply operation is carried out by connecting the mains electricity through a connecting wire; the button assembly 124 is fixedly arranged on the circuit board 122 and passes through the shell assembly 121, and the switch and function setting of the flexible thermal insulation pad 10 can be controlled by the button assembly 124; at least one waterproof and breathable membrane 125 is respectively arranged in the shell assembly 121 and covers the corresponding air holes 12111, and the waterproof and breathable membrane 125 allows gas to pass through but prevents liquid from passing through, so that the shell assembly 121 and the outside air can be convected and the outside liquid can be prevented from entering the shell assembly 121 through the air holes 12111.

[0033] See also Figure 4 As shown, in this embodiment, the shell assembly 121 includes a main shell 1211, a cover plate 1212 and a key plate 1213; the main shell 1211 is a hollow cavity with an opening at one end, and a plurality of air holes 12111 are arranged through the main shell 1211; the cover plate 1212 is fixedly arranged on the main shell 1211, and the two form a closed hollow cavity; the key plate 1213 is arranged on the cover plate 1212 and corresponds to the position of the key assembly 124, and the key assembly 124 can be pressed through the key plate 1213.

[0034] See also Figure 4 and Figure 6As shown, in this embodiment, a card slot 12112 is arranged around the inner wall of the side of the main shell 1211, and a snap ring 11121 is arranged in the card slot 12112. The snap ring 11121 is fixedly arranged in the card slot 12112 by the fixed connection between the main shell 1211 and the cover plate 1212, so that the shell assembly 121 is fixedly connected to the pad body 111; a plurality of fixing columns 12113 are arranged in the main shell 1211, and screws are sequentially passed through the cover plate 1212. , the fixing column 12113 fixes the cover 1212 on the main shell 1211; the side of the main shell 1211 is also penetrated by a through hole 12114, and the electrical connector 123 is fixedly penetrated by the through hole 12114 and electrically connected to the circuit board 122; the bottom of the main shell 1211 is provided with a foot pad 12115, and the bottom horizontal plane of the plurality of foot pads 12115 is flush with the bottom horizontal plane of the support column 112, thereby ensuring the levelness of the pad body 111.

[0035] See also Figure 1-Figure 4 As shown, the circuit board 122 is electrically connected to the electrical connector 123, the button assembly 124, and the heating element 13, respectively. The control technology used is the existing technology, so the specific control process and the model used are not described here, as long as it meets the requirements of this application; the button assembly 124 includes a switch button and a plurality of function buttons. The switch button controls the opening or closing of the flexible insulation pad 10, and different function settings are performed through the plurality of function buttons. Specifically, the heating element 13 can be made of flexible materials such as silicone heating wire, carbon fiber heating wire, graphene heating wire, PVC heating wire, and tetrafluoroethylene heating wire.

[0036] It should be noted that the specific working process of the flexible thermal insulation pad 10 of the utility model is: the food arranged on the heating pad body 11 is heated and kept warm by uniformly generating heat through the heating element 13 uniformly arranged in the heating pad body 11; at the same time, since a plurality of air holes 12111 are arranged through the control mechanism 12, a waterproof breathable membrane 125 is arranged on the plurality of air holes 12111, the waterproof breathable membrane 125 allows air convection between the outside air and the control mechanism 12, and at the same time can prevent liquid from entering the control mechanism 12, thereby effectively preventing the formation of condensed water droplets in the control mechanism 12.

[0037] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A flexible thermal insulation pad, characterized in that: include: A heating pad body, which is made of a flexible material; A control mechanism, which is fixedly arranged on the side of the heating pad body; A heating element, which is fixedly disposed in the heating pad body and electrically connected to the control mechanism, and the heating element is made of a flexible material; The control mechanism is provided with a plurality of air holes, and the plurality of air holes are covered with a waterproof air-permeable membrane, which allows gas to enter the control mechanism but prevents liquid from entering the control mechanism.

2. A flexible thermal insulation pad according to claim 1, characterized in that: The control mechanism includes a shell component, which is a hollow cavity, and the shell component is snap-fitted onto the heating pad; a circuit board fixedly disposed in the shell component and electrically connected to the heating element; an electrical connector that passes through the shell component and is electrically connected to the circuit board; and a button component fixedly disposed on the circuit board and passes through the shell component.

3. A flexible thermal insulation pad according to claim 2, characterized in that: The shell assembly comprises a main shell and a cover plate which are fixedly connected; a plurality of ventilation holes are arranged through the main shell; and a key plate which is arranged on the cover plate and corresponds to the position of the key assembly.

4. A flexible thermal insulation pad according to claim 3, characterized in that: A plurality of fixing columns are arranged in the main shell, and the cover plate is fixedly connected to the plurality of fixing columns by screws.

5. A flexible thermal insulation pad according to claim 3, characterized in that: A through hole is penetrated through the side of the main shell, and the electrical connector is fixedly penetrated through the through hole and electrically connected to the circuit board.

6. A flexible thermal insulation pad according to claim 3, characterized in that: The heating pad body comprises a pad body; a plurality of support columns are evenly arranged on one side of the pad body, and the plurality of support columns are integrally formed with the pad body.

7. A flexible thermal insulation pad according to claim 6, characterized in that: A temperature change layer is arranged on one side of the pad body opposite to the plurality of support pillars.

8. The flexible thermal insulation pad according to claim 6, characterized in that: Limiting grooves are evenly arranged on the same side of the pad body and the plurality of supporting columns, and the heating element is arranged in the limiting grooves.

9. The flexible thermal insulation pad according to claim 6, characterized in that: A connecting cavity is arranged on the side of the pad body, and a clamping ring is arranged on the inner circle of the connecting cavity; a clamping groove is arranged around the inner wall of the side of the main shell, and the clamping ring is clamped in the clamping groove.

10. A flexible thermal insulation pad according to any one of claims 1 to 9, characterized in that: The heating element is a silicone heating wire, a carbon fiber heating wire, a graphene heating wire, a PVC heating wire or a polytetrafluoroethylene heating wire.

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