Flexible insulation board

Abstract

The utility model discloses a flexible insulation board which comprises a heating pad, a first heating area and a second heating area which are sequentially distributed from left to right are arranged on the bottom face of the heating pad, first heating wires in a line shape are evenly distributed in the first heating area, and second heating wires in a line shape are evenly distributed in the second heating area. A control box is arranged on the heating pad; two end parts of the first heating wire and two end parts of the second heating wire are electrically connected with the control box; the heating pad, the first heating wire and the second heating wire are all made of flexible materials. The multifunctional electric cooker is reasonable in structural design, convenient storage can be achieved, partitioned heating can be achieved, meal at the needed local position can be independently heated or kept warm, and use is convenient.

Description

Technical Field

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

[0002] The flexible insulation board can be placed on the table to heat the food or keep the food at a constant temperature. It can also be folded and stored after the meal or when not in use to reduce the space occupied.

[0003] However, the current flexible insulation board cannot heat the area in different regions, and thus cannot heat or keep the food in a local area separately, causing inconvenience in use. Utility Model Content

[0004] The utility model aims to provide a flexible insulation board to solve the technical problem that the flexible insulation board in the prior art cannot heat in different areas, and thus cannot heat or keep warm the food in a local area independently, causing inconvenience in use.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model provides a flexible insulation board, including a heating pad, the bottom surface of the heating pad is provided with a first heating zone and a second heating zone distributed from left to right in sequence, the first heating zone is evenly distributed with first heating wires in the shape of lines, and the second heating zone is evenly distributed with second heating wires in the shape of lines; a control box is provided on the heating pad, and the two ends of the first heating wire and the two ends of the second heating wire are electrically connected to the control box; the heating pad and the first heating wire and the second heating wire are all made of flexible materials.

[0006] Furthermore, a temperature controller is provided on the bottom surface of the heating pad, the first end of the first heating wire and the first end of the second heating wire are both electrically connected to the temperature controller, and two leads of the temperature controller are electrically connected to the control box.

[0007] Furthermore, the thermostat comprises a box body, a silicone sleeve, and a box cover which are sequentially arranged from top to bottom, the thermostat body is housed in the silicone sleeve, and the two leads are connected to the thermostat body; the box body and the box cover are buckled together, and the box cover is provided with a silicone cover.

[0008] Furthermore, a mounting groove is provided on the bottom surface of the heating pad, the mounting groove protrudes downward from the bottom surface of the heating pad, the thermostat is installed in the mounting groove, and the silicone cover covers the mounting groove upward; the first end of the first heating wire and the first end of the second heating wire both pass through the side wall of the mounting groove and are riveted to the thermostat body.

[0009] Furthermore, the control box is installed on the right edge of the heating pad, the control box is located to the right of the second heating zone, the thermostat is located between the second heating zone and the control box, the first end of the first heating wire and the first end of the second heating wire both extend to the right and are electrically connected to the thermostat, and the second end of the first heating wire and the second end of the second heating wire both extend to the right and are electrically connected to the control box.

[0010] Furthermore, two thermistors are provided inside the control box, and the second end of the first heating wire and the second end of the second heating wire are electrically connected to the two thermistors respectively.

[0011] Furthermore, the control box is provided with two heat-insulating grooves, a main board, and a control board. The two thermistors are respectively installed in the two heat-insulating grooves. The main board is electrically connected to the control board, the thermistors, and the thermostat.

[0012] Furthermore, the first heating line is distributed in a serpentine shape along the front-to-back direction, and the second heating line is distributed in a serpentine shape along the front-to-back direction.

[0013] Furthermore, the bottom surface of the heating pad is also provided with a first wire groove and a second wire groove which are strip-shaped and evenly distributed, and the first heating wire and the second heating wire are respectively installed in the first wire groove and the second wire groove and are packaged and fixed by liquid glue.

[0014] Furthermore, the first wire mounting groove and the second wire mounting groove both protrude downwards, and the bottom surface of the heating pad is also provided with a plurality of evenly distributed protruding structures, and the protruding structures protrude more downwards than the first wire mounting groove and the second wire mounting groove.

[0015] In summary, the technical solution of the utility model has the following beneficial effects: the structure design of the utility model is reasonable. (1) By including a heating pad, the bottom surface of the heating pad is provided with a first heating zone and a second heating zone distributed from left to right in sequence. The first heating zone is evenly distributed with a first heating wire in a linear shape, and the second heating zone is evenly distributed with a second heating wire in a linear shape; thus, the first heating wire can generate enough heat to heat the food above the first heating zone or keep the food at a constant temperature, and the second heating wire can generate enough heat to heat the food above the second heating zone or keep the food at a constant temperature. (2) By providing a control box on the heating pad, both ends of the first heating wire and both ends of the second heating wire are electrically connected to the control box; thus, the control box can be used to control the heating conditions of the first heating wire and the second heating wire. (3) By using the heating pad, the first heating wire and the second heating wire are all made of flexible materials; thus, the use of flexible materials can make the insulation board able to be rolled up and stored. From this analysis, it can be seen that the utility model can not only realize the convenience of storage, but also can heat in different areas, and then heat or keep warm the food in the required local position separately, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from above;

[0017] Figure 2 yes Figure 1 A partial enlarged schematic diagram of the thermostat;

[0018] Figure 3 It is a top view of the three-dimensional structure of the utility model;

[0019] Figure 4 It is a bottom-up three-dimensional structural schematic diagram of the heating pad of the utility model;

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure when the heating pad is removed from the utility model when viewed from above;

[0021] Figure 6 It is a top view of the three-dimensional structure of the utility model when the upper cover of the control box is removed;

[0022] Figure 7 yes Figure 6 A partial enlarged schematic diagram of the heat insulation groove;

[0023] Figure 8 It is a top view of the three-dimensional structure of the utility model when the heating pad and the upper cover of the control box are removed;

[0024] Fig. 9 yes Figure 8 A partial enlarged schematic diagram of the thermostat;

[0025] Fig.10 It is a top view of the three-dimensional structure of the thermostat of the utility model when the box body is removed;

[0026] Explanation of the reference numerals: 1 - heating pad, 2 - first heating zone, 3 - second heating zone, 4 - control box, 5 - temperature controller, 6 - thermistor, 7 - liquid glue.

[0027] 101-installation slot, 102-first wiring slot, 103-second wiring slot, 104-raised structure; 201-first heating wire; 301-second heating wire; 401-insulation slot, 402-main board, 403-control board; 501-thermostat body, 502-lead, 503-silicone sleeve, 504-box body, 505-box cover, 506-silicone cover. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention, but this does not constitute a limitation on the protection scope of the present invention.

[0029] In the present invention, for a clearer description, the following explanation is made: the observer faces the attached Figure 1 For observation, the front of the observer is set as the top, and the back of the observer is set as the bottom. It should be noted that the terms "front end", "rear end", "left side", "right side", "middle", "above", "below" and the like in the text indicate directions or positional relationships based on the directions or positional relationships set in the drawings, which are only for the convenience of clearly describing the present invention, and do not indicate or imply that the structure or component referred to must have a specific direction or be constructed in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", and "fourth" are only used for the purpose of clarity or simplification of description, and cannot be understood as indicating or implying relative importance or quantity.

[0030] See also Figures 1 to 10The present embodiment provides a flexible heat preservation board, including a heating pad 1, wherein the bottom surface of the heating pad 1 is provided with a first heating zone 2 and a second heating zone 3 which are sequentially distributed from left to right, wherein the first heating zone 2 is uniformly distributed with a first heating wire 201 in a linear shape, and the second heating zone 3 is uniformly distributed with a second heating wire 301 in a linear shape; a control box 4 is provided on the heating pad 1, and both ends of the first heating wire 201 and both ends of the second heating wire 301 are electrically connected to the control box 4; the heating pad 1 and the first heating wire 201 and the second heating wire 301 are all made of flexible materials. Function: (1) By including a heating pad, wherein the bottom surface of the heating pad is provided with a first heating zone 2 and a second heating zone which are sequentially distributed from left to right, wherein the first heating zone is uniformly distributed with a first heating wire in a linear shape, and the second heating zone is uniformly distributed with a second heating wire in a linear shape; thereby, the first heating wire can generate sufficient heat to heat the food above the first heating zone or keep the food at a constant temperature, and the second heating wire can generate sufficient heat to heat the food above the second heating zone or keep the food at a constant temperature. (2) The heating pad is provided with a control box, and both ends of the first heating wire and the second heating wire are electrically connected to the control box; thus, the heating conditions of the first heating wire and the second heating wire can be controlled by the control box. (3) The heating pad and the first heating wire and the second heating wire are all made of flexible materials; thus, the use of flexible materials can make the insulation board able to be rolled up and stored. From this analysis, it can be seen that the utility model can not only achieve convenient storage, but also zone heating, and then heat or keep warm the food in the required local position separately, which is convenient to use.

[0031] Specifically, a thermostat 5 is further provided on the bottom surface of the heating pad 1, the first end of the first heating wire 201 and the first end of the second heating wire 301 are both electrically connected to the thermostat 5, and two leads 502 of the thermostat 5 are electrically connected to the control box 4. Function: Through the setting of the thermostat, when the temperature is too high, the circuit is disconnected, and when the temperature drops back to normal, the circuit is restored. Since the thermostat itself is a prior art, it will not be described here.

[0032] Specifically, the thermostat 5 includes a box body 504, a silicone sleeve 503, and a box cover 505, which are arranged from top to bottom. The thermostat body 501 is installed in the silicone sleeve 503, and two leads 502 are connected to the thermostat body 501; the box body 504 and the box cover 505 are buckled together, and the box cover 505 is provided with a silicone cover 506. Function: The silicone sleeve prevents the thermostat from short-circuiting, the silicone cover 506 is mainly waterproof, and the box body 504 and the box cover 505 are plastic parts that can prevent fire and high temperature.

[0033] Specifically, the bottom surface of the heating pad 1 is also provided with a mounting groove 101, the mounting groove 101 protrudes downward from the bottom surface of the heating pad 1, the thermostat 5 is installed in the mounting groove 101, and the silicone cover 506 covers the mounting groove 101 upward; the first end of the first heating wire 201 and the first end of the second heating wire 301 both pass through the side wall of the mounting groove 101 and are riveted to the thermostat body 501. Function: The setting of the mounting groove 101 facilitates the protection of the thermostat 5; and the thermostat body 501 is riveted to the first heating wire 201 and the second heating wire 301, so that one thermostat controls the temperature of two heating wires, saving costs.

[0034] Specifically, the control box 4 is installed on the right edge of the heating pad 1, the control box 4 is located to the right of the second heating area 3, the thermostat 5 is located between the second heating area 3 and the control box 4, the first end of the first heating wire 201 and the first end of the second heating wire 301 are both extended to the right and electrically connected to the thermostat 5, and the second end of the first heating wire 201 and the second end of the second heating wire 301 are both extended to the right and electrically connected to the control box 4. Function: The position distribution of the control box 4 is convenient for the storage and retraction of the heating pad 1.

[0035] Specifically, two thermistors 6 are arranged inside the control box 4, and the second end of the first heating wire 201 and the second end of the second heating wire 301 are electrically connected to the two thermistors 6 respectively. Function: By setting two thermistors 6 (thermistors, i.e., NTCs, the higher the temperature, the greater the resistance, the greater the resistance, the smaller the current passing through, so that the temperature and the resistance can be balanced at a certain point, which is the so-called constant temperature. As for the benefit, it is actually overheating protection), the temperature of the first heating wire 201 and the second heating wire 301 can be controlled respectively, and double protection is formed with the thermostat (i.e., the thermostat is to control the power off at the highest temperature, and the thermistor 6 is to control it at normal temperature), and the two thermistors 6 can each control the temperature of one of the heating wires.

[0036] Specifically, the control box 4 is further provided with two heat-insulating grooves 401, a main board 402, and a control board 403. Two thermistors 6 are respectively installed in the two heat-insulating grooves 401. The main board 402 is electrically connected to the control board 403, the thermistors 6, and the temperature controller 5. Function: The arrangement of the main board 402 and the control board 403 facilitates the control of the zoned heating of the heating pad. The function of the heat-insulating groove 401 is heat insulation because the thermistor 6 has a high temperature.

[0037] Specifically, the first heating wire 201 is distributed in a serpentine shape along the front-to-back direction, and the second heating wire 301 is distributed in a serpentine shape along the front-to-back direction. Function: The serpentine shape distribution can make the heating pad achieve uniform heating.

[0038] Specifically, the bottom surface of the heating pad 1 is also provided with a first wire groove 102 and a second wire groove 103 in a strip shape and evenly distributed, and the first heating wire 201 and the second heating wire 301 are respectively installed in the first wire groove 102 and the second wire groove 103 and are packaged and fixed by liquid glue 7. Function: The heating wire is packaged and fixed by liquid glue, and the heating wire is sealed in the wire groove by glue. Repeated curling and release can still ensure the normal operation of the insulation board, which greatly improves its storage convenience and ensures the service life of the product.

[0039] Specifically, the first wire groove 102 and the second wire groove 103 are both protruding downwards, and the bottom surface of the heating pad 1 is also provided with a plurality of evenly distributed protruding structures 104, which are more protruding downwards than the first wire groove 102 and the second wire groove 103. Function: The protruding structure 104 supports the heating pad 1, thereby accelerating the air circulation rate under the heating pad 1, and the downward protrusion of the wire groove is to reduce the influence of the wire groove on the overall strength of the heating pad 1.

[0040] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.

Claims

1. A flexible thermal insulation board, comprising a heating pad (1), characterized in that: The bottom surface of the heating pad (1) is provided with a first heating zone (2) and a second heating zone (3) which are distributed in sequence from left to right; the first heating zone (2) is evenly distributed with first heating wires (201) in the form of lines; the second heating zone (3) is evenly distributed with second heating wires (301) in the form of lines; a control box (4) is provided on the heating pad (1); both ends of the first heating wire (201) and both ends of the second heating wire (301) are electrically connected to the control box (4); the heating pad (1) and the first heating wire (201) and the second heating wire (301) are all made of flexible materials; A temperature controller (5) is also provided on the bottom surface of the heating pad (1); the first end of the first heating wire (201) and the first end of the second heating wire (301) are both electrically connected to the temperature controller (5); and two leads (502) of the temperature controller (5) are electrically connected to the control box (4); Two thermistors (6) are arranged inside the control box (4), and the second end of the first heating wire (201) and the second end of the second heating wire (301) are electrically connected to the two thermistors (6) respectively; The control box (4) is further provided with two heat-insulating grooves (401), a main board (402), and a control board (403) inside. The two thermistors (6) are respectively installed in the two heat-insulating grooves (401). The main board (402) is electrically connected to the control board (403), the thermistors (6), and the temperature controller (5).

2. The flexible thermal insulation board according to claim 1, characterized in that: The thermostat (5) comprises a box body (504), a silicone sleeve (503), and a box cover (505) which are arranged in sequence from top to bottom. The thermostat body (501) is installed in the silicone sleeve (503), and the two leads (502) are connected to the thermostat body (501); the box body (504) and the box cover (505) are buckled together, and the box cover (505) is provided with a silicone cover (506).

3. The flexible thermal insulation board according to claim 2, characterized in that: The bottom surface of the heating pad (1) is also provided with a mounting groove (101), the mounting groove (101) protrudes downward from the bottom surface of the heating pad (1), the thermostat (5) is installed in the mounting groove (101), and the silicone cover (506) covers the mounting groove (101) upward; the first end of the first heating wire (201) and the first end of the second heating wire (301) both pass through the side wall of the mounting groove (101) and are riveted to the thermostat body (501).

4. The flexible thermal insulation board according to any one of claims 1 to 3, characterized in that: The control box (4) is installed on the right edge of the heating pad (1), the control box (4) is located to the right of the second heating zone (3), the temperature controller (5) is located between the second heating zone (3) and the control box (4), the first end of the first heating wire (201) and the first end of the second heating wire (301) both extend to the right and are electrically connected to the temperature controller (5), and the second end of the first heating wire (201) and the second end of the second heating wire (301) both extend to the right and are electrically connected to the control box (4).

5. The flexible thermal insulation board according to any one of claims 1 to 3, characterized in that: The first heating wire (201) is distributed in a serpentine shape along the front-to-back direction, and the second heating wire (301) is distributed in a serpentine shape along the front-to-back direction.

6. The flexible thermal insulation board according to any one of claims 1 to 3, characterized in that: The bottom surface of the heating pad (1) is also provided with a first wire groove (102) and a second wire groove (103) in a strip shape and evenly distributed, and the first heating wire (201) and the second heating wire (301) are respectively installed in the first wire groove (102) and the second wire groove (103) and are sealed and fixed by liquid glue (7).

7. The flexible thermal insulation board according to claim 6, characterized in that: The first wire mounting groove (102) and the second wire mounting groove (103) both protrude downwards, and the bottom surface of the heating pad (1) is also provided with a plurality of evenly distributed protruding structures (104), and the protruding structures (104) protrude more downwards than the first wire mounting groove (102) and the second wire mounting groove (103).

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