Mounting structure of electric heating lunch box circuit board
By employing an installation structure within the electric lunch box to tightly integrate the circuit board with the thermostat and socket, the problem of complex circuit board connections is solved, thereby improving safety and efficiency, and providing intelligent control and precise temperature management.
Patent Information
- Application Number
- CN202520505151.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The circuit board connections of existing electric lunch boxes are complex, resulting in too many wires, which can easily lead to problems such as poor contact and short circuits, increasing the risk of fire.
The mounting structure tightly integrates the circuit board with the thermostat and socket, and the connection is achieved through conductive sheet insertion, which simplifies the circuit layout and reduces the number of wire connection points.
It reduces the risk of failure, improves heating efficiency and safety, simplifies production processes, reduces costs, and achieves precise temperature control and user-friendly intelligent functions.
Smart Images

Figure CN223928534U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to domestic appliance accessory technical field, especially a kind of installation structure of electric heating lunch box circuit board. BACKGROUND
[0002] Electric heating lunch box is a kind of through heating element power heating, make lunch box inside produce high-temperature steam, for steaming rice and heating meal life small household appliance.
[0003] The existing electric heating lunch box bottom heating device is generally provided with circuit board, heating element, temperature controller, indicator light and other parts, the above parts are installed at the bottom of electric heating lunch box and connected by wire, and the two connections can easily lead to excessive wire, complex circuit, and can easily cause poor contact, short circuit and other problems, increasing the risk of fire and other safety accidents. UTILITY MODEL CONTENT
[0004] The utility model overcomes the shortcomings of excessive wire and complex circuit in the prior art, and provides an installation structure of electric heating lunch box circuit board.
[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0006] An installation structure of electric heating lunch box circuit board, comprising a circuit board with an indicator light installed inside an electric heating lunch box, the circuit board is provided with a mounting structure and connected with a socket of the electric heating lunch box through the mounting structure, the circuit board is arranged in parallel on one side of the socket, and a temperature controller is further connected to the circuit board through the mounting structure.
[0007] Preferably, the mounting structure comprises a first mounting hole, the socket is provided with a first conductive sheet, and the connection and conduction between the circuit board and the socket are completed by inserting the first conductive sheet into the first mounting hole.
[0008] Preferably, the mounting structure further comprises a second mounting hole, the temperature controller is provided with a second conductive sheet on the lower side, and the temperature controller is inserted into the other side of the circuit board through the second conductive sheet and the second mounting hole.
[0009] Preferably, the electric heating lunch box further comprises an inner container and a shell accommodating the inner container, there is an accommodating cavity between the lower side of the inner container and the bottom wall of the shell, the socket is arranged on the shell in parallel with the accommodating cavity, and the circuit board is arranged in the accommodating cavity and mounted on one side of the socket.
[0010] Preferably, the circuit board is provided with a connecting column connected with the shell, the shell is provided with an insertion slot, and the circuit board is parallelly mounted on one side of the socket by being inserted into the insertion slot through the connecting column.
[0011] Preferably, the connecting column is perpendicular to the circuit board and parallel to the bottom wall of the shell, and the plug-in slot is arranged on the side wall of the shell and located at one side of the socket.
[0012] Preferably, a supporting column is arranged on the bottom wall of the shell, the lower side of the second conductive sheet is attached to the upper surface of the supporting column, the supporting column supports the temperature controller and the supporting column, and the temperature controller detects the temperature of the bottom of the inner container.
[0013] Compared with the prior art, the electric heating lunch box circuit board mounting structure has the beneficial effects that:
[0014] The electric heating lunch box circuit board mounting structure is arranged on the circuit board of the electric heating lunch box, the circuit board, the temperature controller and the socket are tightly combined through the mounting structure, the connection points of internal wires are reduced through the integrated component mode, the circuit layout is simplified, energy loss is reduced, heating efficiency is improved, production procedures are simplified, production efficiency is improved, and manufacturing cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present application, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation to the present application, and in the drawings:
[0016] Figure 1 is a first structure schematic view of the circuit board according to the present application;
[0017] Figure 2 is a second structure schematic view of the circuit board according to the present application;
[0018] Figure 3 is a first structure schematic view of the circuit board mounted in the shell according to the present application;
[0019] Figure 4 is a second structure schematic view of the circuit board mounted in the shell according to the present application;
[0020] Figure 5 is a structure schematic view of the shell according to the present application;
[0021] Figure 6 is a first structure schematic view of the electric heating lunch box according to the present application;
[0022] Figure 7 is a second structure schematic view of the electric heating lunch box according to the present application;
[0023] In the figure: 1-circuit board; 2-socket; 3-indicator light; 4-temperature controller; 5-mounting structure; 6-first mounting hole; 7-first conductive sheet; 8-second mounting hole; 9-second conductive sheet; 10-inner container; 11-outer shell; 12-accommodation cavity; 13-connection column; 14-plug slot; 15-support column. DETAILED DESCRIPTION
[0024] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, it should be understood that the preferred embodiments described here are only used to illustrate and explain the present application, and are not used to limit the present application.
[0025] As shown in Figure 1 and Figure 2 , a mounting structure of an electric heating lunch box circuit board, comprising a circuit board 1 with an indicator light 3 mounted inside the electric heating lunch box, the circuit board 1 is provided with a mounting structure 5 and connected with the socket 2 of the electric heating lunch box through the mounting structure 5, the circuit board 1 is arranged in parallel on one side of the socket 2, and the circuit board 1 is further connected with a temperature controller 4 through the mounting structure 5.
[0026] By arranging the mounting structure 5 on the circuit board 1 of the electric heating lunch box, the circuit board 1, the temperature controller 4 and the socket 2 are closely combined through the mounting structure 5, the number of wire connection points is reduced, the circuit layout is simplified, the energy loss is reduced, the heating efficiency is improved, and the space is saved.
[0027] Specifically, the mounting structure 5 comprises a first mounting hole 6, the socket 2 is provided with a first conductive sheet 7, and the connection and conduction between the circuit board 1 and the socket 2 are completed by inserting the first conductive sheet 7 into the first mounting hole 6. This plug-in method is simple and reliable, easy to install and disassemble, and can also ensure good conductivity.
[0028] Further, the mounting structure 5 further comprises a second mounting hole 8, the temperature controller 4 is provided with a second conductive sheet 9 on the lower side, and the temperature controller 4 is inserted into the other side of the circuit board 1 through the second conductive sheet 9 and the second mounting hole 8. This design not only realizes the close connection between the temperature controller 4 and the circuit board 1, but also ensures the accurate detection of the temperature at the bottom of the inner container 10 by the temperature controller 4, so as to realize precise temperature control and prevent overheating or underheating phenomenon, thereby ensuring the best cooking effect of the food.
[0029] As shown in Figures 3 to 7 , in the present embodiment, the electric heating lunch box further comprises an inner container 10 and an outer shell 11 accommodating the inner container 10, there is an accommodation cavity 12 between the lower side of the inner container 10 and the bottom wall of the outer shell 11, the socket 2 is arranged on the outer shell 11 parallel to the accommodation cavity 12, and the circuit board 1 is arranged in the accommodation cavity 12 and mounted on one side of the socket 2. This layout makes full use of the space inside the electric heating lunch box, realizing efficient use of space.
[0030] Further, the circuit board 1 is provided with a connecting column 13 connected with the shell 11, the shell 11 is provided with a plug-in slot 14, and the circuit board 1 is installed in parallel on one side of the socket 2 by being plugged into the plug-in slot 14 through the connecting column 13. This installation mode is not only firm and stable, but also facilitates the installation and fixation of the circuit board 1, and ensures the stability of the circuit board 1 in the use process.
[0031] Further, the connecting column 13 is perpendicular to the circuit board 1 and parallel to the bottom wall of the shell 11, and the plug-in slot 14 is arranged on the side wall of the shell 11 and located on one side of the socket 2, so that the connection between the circuit board 1 and the shell 11 is more close, and the stability of the overall structure is further improved.
[0032] In addition, the bottom wall of the shell 11 is provided with a supporting column 15, the lower side of the second conductive sheet 9 is attached to the upper surface of the supporting column 15, the supporting column 15 supports the temperature controller 4 and the supporting column 15, and the temperature controller 4 detects the temperature of the bottom of the inner container 10. This supporting structure not only provides stable support for the temperature controller 4, but also separates the temperature controller 4 from the bottom of the shell 11, can effectively disperse the heat generated by the temperature controller 4 in the working process, and prolong the service life of the temperature controller 4. The temperature controller 4 detects the temperature of the bottom of the inner container 10, can monitor the temperature change of the inner container 10 in real time, and automatically adjusts according to the preset temperature range, so as to ensure that the food in the inner container 10 always maintains at a suitable temperature, whether it is in a heating or a heat preservation state, can provide the best dining experience for the user.
[0033] In the embodiment, the circuit board 1 is closely connected with the temperature controller 4 and the socket 2, and then the live wire on the circuit board 1 is connected with the heating element, so that the connection of the circuit board 1, the temperature controller 4, the socket 2 and the heating element can be realized by only two wires in the electric heating food box. The heating element can be a heating film installed on the lower side of the inner container 10, the heating film is connected with the circuit board 1 through the wire, and the temperature controller 4 is arranged on the lower side of the inner container 10 and the heating film to detect the temperature of the bottom of the inner container 10 and the heating film, so that the overall structure is simpler and the layout is more reasonable.
[0034] The utility model discloses a kind of installation structures of electric heating food box circuit board, by setting installation structure 5 on circuit board 1, ingeniously combine circuit board 1 with temperature controller 4 and socket 2, realize optimization and promotion in many aspects.
[0035] In terms of safety, this design significantly reduces the risk of failure by reducing the number of wire connection points, effectively avoiding faults and fire hazards caused by poor contact, short circuit and other problems, while reducing the number of wires and the probability of insulation damage leading to electric shock, making the use of electric heating food box safer and more reliable.
[0036] In performance, the simplified circuit layout reduces energy loss, improves heating efficiency, and makes food faster to be heated.
[0037] The integrated components reduce the connection points of internal wires, simplify the production process, improve production efficiency, and reduce manufacturing costs. In addition, this installation structure facilitates the integration of advanced functions such as intelligent temperature control, timed heating, and automatic power-off, improving the product's intelligent level and user experience. Through the combination with smart sockets and other devices, users can also remotely control the heating and temperature maintenance functions of the electric food warmer, meeting the use requirements in different scenarios.
[0038] Finally, it should be noted that the above is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements for some technical features. However, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An mounting structure for a circuit board of an electric lunch box, characterized in that: The application relates to an electric heating lunch box, which comprises a circuit board (1) with an indicating lamp (3) installed inside the electric heating lunch box, wherein the circuit board (1) is provided with a mounting structure (5) and is connected with a socket (2) of the electric heating lunch box through the mounting structure (5), the circuit board (1) is arranged in parallel to one side of the socket (2), and a temperature controller (4) is further connected with the circuit board (1) through the mounting structure (5).
2. The mounting structure of the circuit board of the electric heating lunch box according to claim 1, characterized in that: The mounting structure (5) comprises a first mounting hole (6), the socket (2) is provided with a first conductive sheet (7), and the connection and conduction between the circuit board (1) and the socket (2) are completed by inserting the first conductive sheet (7) into the first mounting hole (6).
3. The mounting structure of the circuit board of the electric heating lunch box according to claim 2, characterized in that: The mounting structure (5) further comprises a second mounting hole (8), the temperature controller (4) is provided with a second conductive sheet (9) at the lower side, and the temperature controller (4) is inserted into the other side of the circuit board (1) through the second conductive sheet (9) and the second mounting hole (8).
4. The mounting structure for the circuit board of the electric heating lunch box according to claim 3, wherein: The electric heating lunch box further comprises an inner container (10) and an outer shell (11) for containing the inner container (10), a containing cavity (12) is formed between the lower side of the inner container (10) and the bottom wall of the outer shell (11), the socket (2) is arranged on the outer shell (11) in parallel to the containing cavity (12), and the circuit board (1) is arranged in the containing cavity (12) and is mounted on one side of the socket (2).
5. The mounting structure for the circuit board of the electric heating lunch box according to claim 4, wherein: The circuit board (1) is provided with a connecting column (13) connected with the outer shell (11), the outer shell (11) is provided with an inserting groove (14), and the circuit board (1) is arranged in parallel to one side of the socket (2) by being inserted into the inserting groove (14) through the connecting column (13).
6. The mounting structure for the circuit board of the electric heating lunch box according to claim 5, wherein: The connecting column (13) is perpendicular to the circuit board (1) and parallel to the bottom wall of the outer shell (11), the inserting groove (14) is arranged on the side wall of the outer shell (11) and is located on one side of the socket (2).
7. The mounting structure for the circuit board of the electric heating lunch box according to claim 6, wherein: The bottom wall of the outer shell (11) is provided with a supporting column (15), the lower side of the second conductive sheet (9) is attached to the upper surface of the supporting column (15), the supporting column (15) supports the temperature controller (4) and the supporting column (15), and the temperature controller (4) detects the temperature of the bottom of the inner container (10).