Power connection structure of novel insulation board

Abstract

A novel power connection structure of an insulation board comprises a heating pad assembly and a host box, a coupler is arranged between the heating pad assembly and the host box, and the heating pad assembly and the host box are detachably and electrically connected through the coupler; the coupler comprises a coupling socket arranged on the heating pad assembly and a coupling plug arranged on the main machine box, and the coupling socket and the coupling plug are connected in an inserted mode to form conductive contact. According to the utility model, the coupler is arranged between the heating pad assembly and the host box, and the heating pad assembly and the host box are detachably and electrically connected through the coupler, so that the heating pad assembly and the host box are detachable, and the heat insulation plate is convenient to store and clean; the heating pad assembly and the host box are very convenient to disassemble and assemble; besides, a sealing sleeve is arranged on the heating pad and sleeves the periphery of the coupling socket, so that a gap between the coupling socket and the casing can be sealed, water cannot enter the casing, and electronic components in the casing are effectively protected.

Description

Technical Field

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

[0002] Chinese patent document CN220608163U, published on March 19, 2024, discloses a food warming board. The board includes at least one board body, which includes a base, a panel, and a support assembly. The panel and base form a housing cavity, and the support assembly is located within the housing cavity and supported between the panel and the base. One end of the support assembly is connected to the base, and the other end is connected to the panel. The board body and controller of this food warming board are an integral, non-detachable structure, making it inconvenient to store and clean.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of insulation board power connection structure with simple structure, good waterproof performance, easy cleaning, easy storage and strong practicality, so as to overcome the shortcomings of the existing technology.

[0005] A new type of insulation board power connection structure designed for this purpose includes a heating pad assembly and a main box, and is characterized in that a coupler is provided between the heating pad assembly and the main box, and the heating pad assembly and the main box are detachably electrically connected through the coupler.

[0006] The coupler comprises a coupling socket arranged on the heating pad assembly and a coupling plug arranged on the main box. The coupling socket and the coupling plug are plugged into each other to form conductive contact.

[0007] The coupling socket is provided with a plurality of plug-in terminals, and the coupling plug is provided with a plurality of plug-in parts, and the plug-in terminals and the plug-in parts are plugged into each other.

[0008] The heating pad assembly includes a heating pad and a casing connected to each other. A first mounting hole is provided on the casing, and the coupling socket is installed on the first mounting hole. A second mounting hole is provided on the main box at a position corresponding to the first mounting hole, and the coupling plug is installed on the second mounting hole.

[0009] A sealing sleeve is provided on the heating pad, the sealing sleeve is provided on the inner cavity of the casing, the sealing sleeve is sleeved on the outer periphery of the coupling socket, and the sealing sleeve is located between the casing and the coupling socket.

[0010] A positioning notch is provided on the sealing sleeve, and a positioning rib is provided on the coupling socket. The positioning rib is inserted into the positioning notch for positioning.

[0011] The casing comprises an upper casing and a lower casing connected with each other, a sealing sleeve is arranged between the upper casing and the lower casing, the sealing sleeve comprises an upper sleeve body and a lower sleeve body, the upper casing is provided with a first positioning groove, the lower casing is provided with a second positioning groove, the upper sleeve body is positioned and arranged on the first positioning groove, and the lower sleeve body is positioned and arranged on the second positioning groove.

[0012] The heating pad is provided with a heating element, the heating element is provided with a grounding end, the grounding end extends into the inner cavity of the casing, and a circuit electrically connected to the grounding end is connected to the coupling socket.

[0013] The inner cavity is provided with a fixing column, a heat insulation piece is arranged on the fixing column, the heat insulation piece is arranged between the grounding end and the fixing column to separate the grounding end and the fixing column, a connecting portion is arranged between the grounding end, the heat insulation piece and the fixing column, and the grounding end, the heat insulation piece and the fixing column are connected with each other through the connecting portion.

[0014] The heating pad is made of silica gel material.

[0015] The coupling device is arranged between the heating pad assembly and the host box, the heating pad assembly and the host box are detachably electrically connected through the coupling device, the heating pad assembly and the host box can be disassembled, and the heat preservation plate is convenient to store and clean, the coupling device is adopted to connect, and the disassembly of the heating pad assembly and the host box is very convenient, in addition, the sealing sleeve is arranged on the heating pad, the sealing sleeve is arranged on the outer periphery of the coupling socket, the sealing sleeve is arranged between the casing and the coupling socket, the gap between the coupling socket and the casing can be sealed, water cannot enter the casing, and the electronic elements in the casing are effectively protected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an exploded structural schematic view of the heat preservation plate in an embodiment of the utility model.

[0017] Figure 2 It is an overall structural schematic view of the heat preservation plate in an embodiment of the utility model.

[0018] Figure 3 It is a partial structure exploded view of the heat preservation plate in an embodiment of the utility model.

[0019] Figure 4 It is a sectional view of the heat preservation plate in an embodiment of the utility model.

[0020] Figure 5 It is Figure 4 It is an enlarged structural schematic view of position A.

[0021] Figure 6 It is an exploded structural schematic view of the host box and the coupling device in an embodiment of the utility model.

[0022] Figure 7It is the sectional view of the thermal insulation board in another orientation according to an embodiment of the present application.

[0023] Figure 8 It is the partial structure schematic view of the thermal insulation board according to an embodiment of the present application. Figure 7 It is the enlarged structure schematic view of the B part.

[0024] Figure 9 It is the partial structure schematic view of the heating pad according to an embodiment of the present application.

[0025] Figure 10 It is the partial structure schematic view of the thermal insulation board according to an embodiment of the present application.

[0026] Figure 11 It is the partial structure exploded view of the thermal insulation board in another orientation according to an embodiment of the present application.

[0027] Figure 12 It is the overall structure schematic view of the upper shell according to an embodiment of the present application.

[0028] Figure 13 It is the overall structure schematic view of the lower shell according to an embodiment of the present application. DETAILED DESCRIPTION

[0029] The present application will be further described below in combination with the drawings and embodiments.

[0030] Referring to Figures 1-13 The power connection structure of the thermal insulation board comprises a heating pad assembly and a main box 1, the main box 1 is used for connecting a power supply, a coupler is arranged between the heating pad assembly and the main box 1, and the heating pad assembly and the main box 1 are detachably electrically connected through the coupler.

[0031] The coupler comprises a coupling socket 2 arranged on the heating pad assembly and a coupling plug 3 arranged on the main box 1, and the coupling socket 2 and the coupling plug 3 are mutually plugged and form a conductive contact.

[0032] A plurality of plug-in terminals 8 are arranged on the coupling socket 2, a plurality of plug-in parts 9 are arranged on the coupling plug 3, the plug-in terminals 8 and the plug-in parts 9 are mutually plugged, the plug-in terminals 8 are electrodes, the plug-in parts 9 are plug-in holes, the coupler is a 5P coupler, and five plug-in terminals 8 and five plug-in parts 9 are arranged respectively.

[0033] The heating pad assembly comprises a heating pad 4 and a shell 5 which are mutually connected, the shell 5 is provided with a first mounting hole 6, the coupling socket 2 is mounted on the first mounting hole 6, the main box 1 is provided with a second mounting hole 7 corresponding to the position of the first mounting hole 6, and the coupling plug 3 is mounted on the second mounting hole 7.

[0034] The heat pad 4 is provided with a sealing sleeve 10, which is arranged on the inner cavity 11 of the casing 5, and is sleeved on the outer periphery of the coupling socket 2 and located between the casing 5 and the coupling socket 2; the sealing sleeve 10 can seal the gap between the coupling socket 2 and the casing 5.

[0035] The sealing sleeve 10 is provided with a positioning notch 12, and the coupling socket 2 is provided with a positioning rib 13 which is positioned to be inserted into the positioning notch 12; this structure can effectively position the coupling socket 2 and prevent it from coming out of the first mounting hole 6.

[0036] The casing 5 comprises an upper casing 14 and a lower casing 15 which are connected to each other, and the sealing sleeve 10 is arranged between the upper casing 14 and the lower casing 15; the sealing sleeve 10 comprises an upper sleeve body 16 and a lower sleeve body 17 which are arranged integrally or separately; in this embodiment, the upper sleeve body 16 and the lower sleeve body 17 are arranged separately, the lower sleeve body 17 is arranged integrally on the sealing connecting frame 33, and the upper sleeve body 16 is arranged separately from the sealing connecting frame 33; the upper sleeve body 16 and the lower sleeve body 17 form a third mounting hole 24 therebetween, which is arranged correspondingly to the first mounting hole 6 and on which the coupling socket 2 is mounted; the upper casing 14 is provided with a first positioning groove 18, and the lower casing 15 is provided with a second positioning groove 19; the upper sleeve body 16 is positioned and mounted on the first positioning groove 18, and the lower sleeve body 17 is positioned and mounted on the second positioning groove 19; the first positioning groove 18 and the second positioning groove 19 can prevent the upper sleeve body 16 and the lower sleeve body 17 from loosening and affecting the sealing performance of the sealing sleeve 10.

[0037] The heat pad 4 is provided with a sealing connecting frame 33 which is arranged between the upper casing 14 and the lower casing 15 to connect the heat pad 4 and the casing 5; the sealing connecting frame 33 can seal the gap between the upper casing 14 and the lower casing 15, so that water cannot enter the inside of the casing 5; the upper casing 14 is provided with a fixed column hole 25, and the lower casing 15 is provided with a first fixed hole 26; a screw is fastened and connected with the fixed column hole 25 after passing through the first fixed hole 26, so as to connect the upper casing 14 and the lower casing 15.

[0038] The heat pad 4 is provided with a heating element 20, one end of which is provided with a grounding end 21 which extends into the inner cavity 11 of the casing 5; a line led out from the grounding end 21 is electrically connected with a grounding terminal of the coupling socket 2; the grounding end 21 is a ground ring end; the heating element 20 is a carbon crystal heating film; the heating element 20 is provided with an electricity connection end, and a line led out from the electricity connection end is electrically connected with an electricity connection terminal of the coupling socket 2, which is used to supply power to the heating element 20.

[0039] The inner cavity 11 is provided with a fixing column 22, the fixing column 22 is arranged on the lower shell 15, a heat insulation piece 23 is sleeved on the fixing column 22, the heat insulation piece 23 is arranged between the grounding end 21 and the fixing column 22, so as to separate the grounding end 21 and the fixing column 22, so that the heating element 20 does not directly contact the lower shell 15 (plastic part), and the heat insulation piece 23 is made of silica gel material, a connecting portion is arranged between the grounding end 21, the heat insulation piece 23 and the fixing column 22, and the grounding end 21, the heat insulation piece 23 and the fixing column 22 are connected with each other through the connecting portion.

[0040] The connecting portion comprises a second fixing hole 27 arranged on the grounding end 21, a third fixing hole 28 arranged on the heat insulation piece 23 and a fourth fixing hole 29 arranged on the fixing column 22, and a screw is sequentially fastened and connected with the fourth fixing hole 29 after passing through the second fixing hole 27 and the third fixing hole 28, so as to connect the grounding end 21, the heat insulation piece 23 and the fixing column 22.

[0041] The heating pad 4 is made of silica gel material, and the upper shell 14 and the lower shell 15 are made of plastic.

[0042] The main machine box 1 is provided with a power control panel 30, the coupling plug 3 is electrically connected with the power control panel 30, and the power control panel 30 is connected with a power supply through a power line.

[0043] The inner cavity 11 of the shell 5 is provided with electronic elements such as a thermal protector 31 and an NTC temperature sensor 32.

[0044] The above is the preferred scheme of the utility model, and the basic principle, main features and advantages of the utility model are displayed and described. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel electrical connection structure of a heat preservation board, comprising a heating pad assembly and a main box (1), characterized in that: A coupler is provided between the heating pad assembly and the main box (1), and the heating pad assembly and the main box (1) are detachably electrically connected via the coupler; The coupler comprises a coupling socket (2) arranged on the heating pad assembly and a coupling plug (3) arranged on the main box (1); the coupling socket (2) and the coupling plug (3) are plugged into each other to form conductive contact; The heating pad assembly comprises a heating pad (4) and a housing (5) connected to each other, a first mounting hole (6) being provided on the housing (5), a coupling socket (2) being mounted on the first mounting hole (6), a second mounting hole (7) being provided on the main box (1) at a position corresponding to the first mounting hole (6), and a coupling plug (3) being mounted on the second mounting hole (7); A sealing sleeve (10) is provided on the heating pad (4), the sealing sleeve (10) is provided on the inner cavity (11) of the housing (5), the sealing sleeve (10) is sleeved on the outer periphery of the coupling socket (2), and the sealing sleeve (10) is located between the housing (5) and the coupling socket (2).

2. The electrical connection structure of the new insulation board according to claim 1 is characterized in that: The coupling socket (2) is provided with a plurality of plug-in terminals (8), and the coupling plug (3) is provided with a plurality of plug-in parts (9). The plug-in terminals (8) and the plug-in parts (9) are plugged into each other.

3. The power connection structure of the new insulation board according to claim 1 is characterized in that: A positioning notch (12) is provided on the sealing sleeve (10), and a positioning rib (13) is provided on the coupling socket (2), and the positioning rib (13) is inserted into the positioning notch (12) for positioning.

4. The electrical connection structure of the new insulation board according to claim 3 is characterized in that: The housing (5) includes an upper shell (14) and a lower shell (15) connected to each other. The sealing sleeve (10) is pressed between the upper shell (14) and the lower shell (15). The sealing sleeve (10) includes an upper sleeve body (16) and a lower sleeve body (17). The upper shell (14) is provided with a first positioning groove (18), and the lower shell (15) is provided with a second positioning groove (19). The upper sleeve body (16) is positioned and installed in the first positioning groove (18), and the lower sleeve body (17) is positioned and installed in the second positioning groove (19).

5. The power connection structure of the new insulation board according to claim 1 is characterized in that: A heating element (20) is provided in the heating pad (4), and a grounding terminal (21) is provided on the heating element (20). The grounding terminal (21) extends into the inner cavity (11) of the housing (5), and a line led out of the grounding terminal (21) is electrically connected to the coupling socket (2).

6. The electrical connection structure of the novel thermal insulation board according to claim 5 is characterized in that: A fixing column (22) is provided on the inner cavity (11), a heat insulating member (23) is sleeved on the fixing column (22), the heat insulating member (23) is provided between the grounding terminal (21) and the fixing column (22) to separate the grounding terminal (21) and the fixing column (22), a connecting portion is provided between the grounding terminal (21), the heat insulating member (23) and the fixing column (22), and the grounding terminal (21), the heat insulating member (23) and the fixing column (22) are connected to each other via the connecting portion.

7. The power connection structure of the new insulation board according to claim 3 or 4 is characterized in that: The heating pad (4) is made of silicone material.

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