Integrated control module applied to oven

Abstract

The utility model discloses an integrated control module applied to an oven, the integrated control module comprises a control shell, a flexible circuit board, a touch panel, a driving circuit board and a power panel, a fixed cavity is fixed on the back of the control shell, the flexible circuit board is arranged in the fixed cavity of the control shell, a groove is arranged on the front of the control shell, and the touch panel is arranged in the groove. The touch panel covers a groove in the front face of the control shell and is in butt joint and conduction with the flexible circuit board, the driving circuit board is installed in a fixing cavity of the control shell and located below the flexible circuit board, the flexible circuit board is electrically connected with the driving circuit board, and the power panel is installed at the lower end of the control shell and located below the driving circuit board. According to the intelligent touch control oven, the driving circuit board is installed in the control shell, and the front face of the control shell is sealed through the touch panel, so that the driving circuit board is separated from other parts of the intelligent touch control oven, the influence of heating components in the intelligent touch control oven on the driving circuit board is reduced, and the temperature resistance is improved.

Description

Technical Field

[0001] This utility model relates to the field of oven technology, specifically to an integrated control module applied to an oven. Background Technology

[0002] An oven is a convenient, healthy, multifunctional, and enjoyable kitchen appliance that can meet the various cooking requirements of modern lifestyles. It can be used to make Western-style desserts such as cakes, pizzas, bread, egg tarts, and cookies. To meet users' cooking needs, ovens on the market are equipped with controllers. Users can control the oven to turn it on and off, set the working mode, and adjust the temperature and time by operating the buttons on the controller.

[0003] The existing oven controller consists of a housing, spring-loaded control buttons, spring-loaded supports, and a spring-loaded touch panel. The existing oven power board, control board, and controller are developed separately. During oven assembly, the spring-loaded touch panel, control buttons, and support must first be assembled onto the housing, then the power board and control board are installed onto the oven, and finally the assembled controller is installed. The existing oven has the following shortcomings:

[0004] 1) The assembly process of the oven's power board, control board, and controller is relatively complicated, resulting in low production efficiency;

[0005] 2) Limited space on the oven means limited space for the control board and power board. Directly installing the control board and power board on the oven without insulation makes the control board susceptible to temperature fluctuations, which affects the oven's temperature resistance. Utility Model Content

[0006] This utility model addresses the existing technical problems by providing an integrated control module that places the drive circuit board inside the control housing, seals the front of the control housing with a touch panel, separates the drive circuit board from other parts of the smart touch oven, reduces the impact of heating components inside the smart touch oven on the drive circuit board, improves the temperature resistance of the integrated control module, integrates the drive circuit board and power board into the control housing to form an integrated structure, and allows the integrated controller module to be directly fixed to the oven, thus improving installation efficiency.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0008] An integrated control module for use in an oven includes a control housing, a flexible circuit board, a touch panel, a drive circuit board, and a power board. The back of the control housing has a fixed cavity, and the flexible circuit board is housed within this cavity. The front of the control housing has a groove, and the touch panel covers this groove and is connected to the flexible circuit board. The drive circuit board is installed in the fixed cavity of the control housing and located below the flexible circuit board, and is electrically connected to it. The power board is installed at the lower end of the control housing and located below the drive circuit board.

[0009] To further improve the above technical solution, the flexible circuit board extends outward to form a first electrode connection portion, a second electrode connection portion, a third electrode connection portion, and a fourth electrode connection portion. The first electrode connection portion and the second electrode connection portion are fixed to one side of the flexible circuit board at intervals, and the third electrode connection portion and the fourth electrode connection portion are fixed to the other side of the flexible circuit board at intervals. The side of the control housing is provided with a first opening, a second opening, a third opening, and a fourth opening corresponding to the positions of the first electrode connection portion, the second opening, the third opening, and the fourth opening. The first opening, the second opening, the third opening, and the fourth opening all communicate with the fixing cavity. The first electrode connection portion, the second electrode connection portion, the third electrode connection portion, and the fourth electrode connection portion on the outer side of the flexible circuit board pass through the first opening, the second opening, the third opening, and the fourth opening of the control housing, respectively.

[0010] As a further improvement to the above technical solution, the touch panel is a PVC brown cover.

[0011] As a further improvement to the above technical solution, the surface of the touch panel is provided with a touch operation area and an information display area, with the touch operation area located on one side of the information display area.

[0012] To further improve the above technical solution, the fixing cavity of the control housing is fixed with a number of fixing posts, which are fixed at intervals in the fixing cavity of the control housing. Each fixing post is provided with a first fixing hole. The drive circuit board is provided with mounting holes and fasteners that cooperate with the fixing posts. The fasteners pass through the mounting holes of the drive circuit board and the first fixing holes of the fixing posts in sequence to fix the drive circuit board to the fixing posts of the control housing.

[0013] To further improve the above technical solution, a number of connecting posts are fixed on the back of the control housing. The connecting posts are fixed to the back of the control housing at intervals. Each connecting post is provided with a second fixing hole. The power board is provided with connecting holes and connecting parts that cooperate with the connecting posts. The connecting parts pass through the connecting holes of the power board and the second fixing holes of the connecting posts in sequence to fix the power board to the connecting posts of the control housing.

[0014] As a further improvement to the above technical solution, the driving circuit board includes a display module, a control module, and a sound module. The display module and the sound module are both electrically connected to the control module, and the flexible circuit board is electrically connected to the control module on the driving circuit board.

[0015] In a further improvement to the above technical solution, the control module includes a main control circuit, a touch circuit, a load circuit, an encoding circuit, and a temperature control circuit. The touch circuit, load circuit, encoding circuit, and temperature control circuit are all electrically connected to the main control circuit, and the flexible circuit board is electrically connected to the touch circuit on the control module.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] This utility model discloses an integrated control module comprising a control housing, a flexible circuit board, a touch panel, and a drive circuit board. A fixing cavity is fixed to the back of the control housing, and the flexible circuit board is housed within this cavity. A groove is provided on the front of the control housing, and the touch panel covers this groove and is connected to the flexible circuit board. The drive circuit board is installed in the fixing cavity of the control housing and located below the flexible circuit board, and is electrically connected to it. A power board is installed at the lower end of the control housing and below the drive circuit board. By placing the drive circuit board inside the control housing and sealing it with the touch panel on the front, this utility model isolates the drive circuit board from other parts of the smart touch oven, reducing the impact of heating components inside the oven on the drive circuit board and improving the temperature resistance of the integrated control module. By integrating the drive circuit board and power board into the control housing to form an integrated controller module, this utility model allows for direct mounting of the integrated controller module to the oven, improving installation efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the integrated control module of this utility model applied to an oven.

[0019] Figure 2 This is an exploded view of the integrated control module of this utility model applied to an oven.

[0020] Figure 3This is a structural schematic diagram of the control housing, flexible circuit board, and touch panel of this utility model.

[0021] Figure 4 This is a schematic diagram of the structure of the control housing of this utility model.

[0022] Figure 5 This is a structural schematic diagram of the control housing of this utility model from another angle.

[0023] Figure 6 This is a circuit diagram of the control module in the drive circuit board of this utility model.

[0024] Figure 7 This is a circuit diagram of the display module in the driver circuit board of this utility model.

[0025] Figure 8 This is a circuit diagram of the sound module in the driver circuit board of this utility model.

[0026] In the figure: control housing 1, fixing post 11, first fixing hole 12, connecting post 13, second fixing hole 14, fixing cavity 15, first opening 16, second opening 17, third opening 18, fourth opening 19, groove 120, flexible circuit board 2, first electrode connection part 21, second electrode connection part 22, third electrode connection part 23, fourth electrode connection part 24, touch panel 3, touch operation area 31, information display area 32, drive circuit board 4, power board 5. Detailed Implementation

[0027] The present invention will now be described in detail with reference to the accompanying drawings, which form part of this specification. The principles of the present invention will be illustrated through embodiments, and other aspects, features, and advantages of the present invention will become apparent from this detailed description. In the accompanying drawings, the same or similar parts in different figures are indicated by the same reference numerals.

[0028] like Figures 1-5As shown, Embodiment 1 of this utility model provides an integrated control module for use in an oven. The integrated control module includes a control housing 1, a flexible circuit board 2, a touch panel 3, a drive circuit board 4, and a power board 5. A fixing cavity 15 is fixed on the back of the control housing 1. The flexible circuit board 2 is placed inside the fixing cavity 15 of the control housing 1. A groove 120 is provided on the front of the control housing 1. The touch panel 3 covers the groove 120 on the front of the control housing 1 and is connected to the flexible circuit board 2. The drive circuit board 4 is installed in the fixing cavity 15 of the control housing 1 and is located below the flexible circuit board 2. The flexible circuit board 2 is electrically connected to the drive circuit board 4. The power board 5 is installed at the lower end of the control housing 1 and is located below the drive circuit board 4. This invention integrates the drive circuit board 4 within the control housing 1 and seals it with a touch panel 3 on the front of the control housing 1. This isolates the drive circuit board 4 from other parts of the smart touch oven, reducing the impact of heating components inside the oven on the drive circuit board 4, improving the temperature resistance of the integrated control module, and making it suitable for high-temperature environments. This expands the application range of the touch oven controller, meets the installation requirements of most ovens, and has high promotional value. Furthermore, this invention integrates the flexible circuit board 2, drive circuit board 4, and power board 5 into the control housing 1 to form an integrated controller module. There is no need to assemble the drive circuit board 4 and power board 5 separately; the integrated controller module can be directly installed on the oven. This features high integration, a simple and stable assembly process, and improved installation efficiency.

[0029] In this embodiment of the invention, the flexible circuit board 2 extends outward from its outer side to form a first electrode connection portion 21, a second electrode connection portion 22, a third electrode connection portion 23, and a fourth electrode connection portion 24. The first electrode connection portion 21 and the second electrode connection portion 22 are fixed to one side of the flexible circuit board 2 at intervals, and the third electrode connection portion 23 and the fourth electrode connection portion 24 are fixed to the other side of the flexible circuit board 2 at intervals. The control housing 1 has openings on its side that connect to the first electrode connection portion 21 and the second electrode connection portion 22. The first opening 16, the second opening 17, the third opening 18, and the fourth opening 19, corresponding to the positions of the third electrode connection part 23 and the fourth electrode connection part 24, are all connected to the fixing cavity 15. The first electrode connection part 21, the second electrode connection part 22, the third electrode connection part 23, and the fourth electrode connection part 24 on the outer side of the flexible circuit board 2 respectively pass through the first opening 16, the second opening 17, the third opening 18, and the fourth opening 19 of the control housing 1. In specific implementation, the first electrode connection part 21, the second electrode connection part 22, the third electrode connection part 23, and the fourth electrode connection part 24 are configured as lug-type structures. This utility model is provided with a first opening 16, a second opening 17, a third opening 18, and a fourth opening 19, which facilitates the wires of the first electrode connection part 21, the second electrode connection part 22, the third electrode connection part 23, and the fourth electrode connection part 24 on the flexible circuit board 2 or the drive circuit board 4 to pass through the first opening 16, the second opening 17, the third opening 18, and the fourth opening 19 and then to be electrically connected to the sensor and heating element on the oven. This greatly facilitates the wiring of the integrated control module and also facilitates the connection between the integrated control module and the components on the oven.

[0030] In other embodiments, fold lines can be provided at the connection points of the first electrode connection portion 21, the second electrode connection portion 22, the third electrode connection portion 23, the fourth electrode connection portion 24 and the flexible circuit board 2. By providing fold lines, it is convenient for the first electrode connection portion 21, the second electrode connection portion 22, the third electrode connection portion 23, and the fourth electrode connection portion 24 to be bent along the fold lines, which facilitates the connection of the flexible circuit board 2 with other components.

[0031] The touch panel 3 of this invention is a PVC brown cover. Specifically, the touch panel 3 has a touch operation area 31 and an information display area 32 on its surface, with the touch operation area 31 located to one side of the information display area 32. A flexible circuit board 2 is used to sense finger touches on the touch panel 3. The combination of the flexible circuit board 2 and the PVC touch panel 3 allows the flexible circuit board 2 to be used in ovens without heat insulation. By cooperating with the control housing 1 and the touch panel 3, the drive circuit board 4 can be isolated from other parts of the smart touch oven, reducing the impact of heating components inside the oven on the drive circuit board 4, improving the temperature resistance of the smart touch oven controller, making it suitable for high-temperature environments, expanding its application range, meeting the installation requirements of most ovens, and possessing high promotional value.

[0032] In a specific implementation of this utility model embodiment, a plurality of fixing posts 11 are fixed in the fixing cavity 15 of the control housing 1. The fixing posts 11 are fixed at intervals in the fixing cavity 15 of the control housing 1. Each fixing post 11 is provided with a first fixing hole 12. The drive circuit board 4 is provided with mounting holes and fixing members that cooperate with the fixing posts 11. The fixing members pass through the mounting holes of the drive circuit board 4 and the first fixing holes 12 of the fixing posts 11 in sequence to fix the drive circuit board 4 to the fixing posts 11 of the control housing 1, thereby realizing the fixation of the drive circuit board 4 and the control housing 1. The fixing method of the drive circuit board 4 is simple and easy to operate. In a specific implementation, screws or bolts can be used as fixing members.

[0033] This invention features a plurality of connecting posts 13 fixed to the back of the control housing 1, spaced apart from each other. Each connecting post 13 has a second fixing hole 14. The power board 5 has connecting holes and connectors that mate with the connecting posts 13. The connectors pass sequentially through the connecting holes of the power board 5 and the second fixing holes 14 of the connecting posts 13 to fix the power board 5 to the connecting posts 13 of the control housing 1. This achieves the fixation of the power board 5 to the control housing 1, making the installation and fixation of the power board 5 very convenient. In practice, screws or bolts can be used as the connectors.

[0034] In this embodiment of the invention, the drive circuit board 4 includes a display module, a control module, and a sound module. The display module and sound module are electrically connected to the control module, and the flexible circuit board 2 is electrically connected to the control module on the drive circuit board 4. Trigger signals emitted by the flexible circuit board 2 are sent to the control module on the drive circuit board 4, and the control module on the drive circuit board 4 can output corresponding control signals based on the trigger signals emitted by the flexible circuit board 2. This invention integrates not only the control module but also the display module and sound module on the drive circuit board 4, integrating the main circuitry of the oven controller onto the drive circuit board 4. Compared to the existing separate design of the display module and control module, this not only simplifies the structural design of the oven controller, making the structure simpler, but also makes the wiring and installation of the controller more convenient.

[0035] In specific implementation, the control module of this utility model includes a main control circuit, a touch circuit, a load circuit, an encoding circuit, and a temperature control circuit. The touch circuit, the load circuit, the encoding circuit, and the temperature control circuit are all electrically connected to the main control circuit. The flexible circuit board 2 is electrically connected to the touch circuit on the control module, thereby realizing the electrical connection between the flexible circuit board 2 and the control module. The main control circuit includes a main control chip MCU1 and a capacitor C2. The main control chip MCU1 is an SC95R605. Pin 6 of the main control chip MCU1 is electrically connected to capacitor C2. The temperature control circuit includes a temperature control connector CN1, a resistor R4, a capacitor C3, and a capacitor C4. One end of capacitor C4 is connected in parallel with one end of resistor R4 and capacitor C3. The other end of resistor R4 and capacitor C3 is electrically connected to pin 2 of the temperature control connector CN1. The other end of capacitor C4 is electrically connected to pin 18 of the main control chip U1 to achieve electrical connection between the temperature control connector CN1 and the main control chip U1. The load circuit includes a load connector CN3, resistors R29, R42, R45, and R49. One end of resistors R29, R42, R45, and R49 is connected to pin 5 of the load connector CN3. Pins 6, 7, and 8 are electrically connected. The other ends of resistors R29, R42, R45, and R49 are electrically connected to pins 13, 21, 17, and 20 of the main control chip U1, respectively. The encoding circuit includes an encoding switch SW3, resistors R35, R36, and R46. Pin 1 of the encoding switch SW3 is grounded. One end of resistor R35 is electrically connected to pin 2 of the encoding switch SW3, and the other end of resistor R35 is electrically connected to pin 19 of the main control chip U1. One end of resistor R46 is electrically connected to pin 3 of the encoding switch SW3, and the other end of resistor R46 is electrically connected to pin 26 of the main control chip U1. One end of resistor R36 is electrically connected to pin 5 of the encoding switch SW3, and the other end of resistor R36 is electrically connected to pin 25 of the main control chip U1.

[0036] In this embodiment of the utility model, the touch circuit includes four sets of switch touch circuits, namely a first switch touch circuit, a second switch touch circuit, a third switch touch circuit, and a fourth switch touch circuit. The first switch touch circuit, the second switch touch circuit, the third switch touch circuit, and the fourth switch touch circuit are all electrically connected to the main control circuit of the control module.The first switch touch circuit includes a touch connection terminal CN6, resistors R27, R30, R33, R37, and R40. One end of resistors R27, R30, R33, R37, and R40 is electrically connected to pins 5, 4, 3, 2, and 1 of touch connection terminal CN6, respectively. The other end of resistors R27, R30, R33, R37, and R40 is electrically connected to pins 29, 31, 32, 33, and 34 of the main control chip MCU1 of the main control circuit, thereby realizing the connection between the first switch touch circuit and the main control circuit of the control module. Electrical connection; the second switch touch circuit includes a touch connection terminal CN5, resistors R43, R47, R50, R52, and R54. One end of resistors R43, R47, R50, R52, and R54 is electrically connected to pins 5, 4, 3, 2, and 1 of touch connection terminal CN5, respectively. The other end of resistors R43, R47, R50, R52, and R54 is electrically connected to pins 35, 36, 37, 38, and 39 of the main control chip MCU1 of the main control circuit, respectively, thereby realizing the connection between the second switch touch circuit and the main control circuit of the control module. Electrical connections: The third switch touch circuit includes a touch connection terminal CN2, resistors R28, R31, R34, R38, and R41. One end of resistors R28, R31, R34, R38, and R41 is electrically connected to pins 5, 4, 3, 2, and 1 of touch connection terminal CN2, respectively. The other end of resistors R28, R31, R34, R38, and R41 is electrically connected to pins 40, 41, 42, 43, and 44 of the main control chip MCU1 of the main control circuit, thereby realizing the connection between the third switch touch circuit and the main control circuit of the control module. The electrical connection is as follows: The fourth switch touch circuit includes a touch connection terminal CN4, resistors R44, R48, R51, R53, and R55. One end of resistors R44, R48, R51, R53, and R55 is electrically connected to pins 5, 4, 3, 2, and 1 of touch connection terminal CN2, respectively. The other end of resistors R44, R48, R51, R53, and R55 is electrically connected to pins 1, 2, 3, 4, and 5 of the main control chip MCU1 of the main control circuit, respectively, thereby realizing the electrical connection between the fourth switch touch circuit and the main control circuit of the control module.

[0037] In a specific implementation, the display module of this utility model includes four sets of display driving circuits, namely a first display driving circuit, a second display driving circuit, a third display driving circuit, and a fourth display driving circuit. The first display driving circuit, the second display driving circuit, the third display driving circuit, and the fourth display driving circuit are all electrically connected to the main control circuit of the control module.

[0038] The sound module of this utility model includes a resistor R19, a transistor Q2, a resistor R18, a resistor R17, a transistor Q1, a resistor R23, a transistor Q3, and a buzzer. One end of resistor R19 is electrically connected to the base of transistor Q2, and the other end of resistor R25 is electrically connected to pin 9 of the main control chip U1. One end of resistor R18 is electrically connected to the collector of transistor Q2, and the other end of resistor R18 is electrically connected to one end of resistor R17. The other end of resistor R17 is electrically connected to the emitter of transistor Q1. One end of resistor R23 is electrically connected to the base of transistor Q3, and the other end of resistor R23 is electrically connected to pin 16 of the main control chip U1. The collector of transistor Q1 is electrically connected to one end of the buzzer, and the collector of transistor Q3 is electrically connected to the other end of the buzzer. In specific implementation, in the sound module of this utility model, the transistor Q2 is model S8050 and the transistor Q1 is model 8550. This utility model controls the buzzer to work through the 9th pin of the main control chip U1.

[0039] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of this application. All equivalent changes and modifications made in accordance with the scope of this application should still fall within the scope of the present invention.

Claims

1. An integrated control module for application to an oven, characterized in that: The integrated control module comprises a control shell, a flexible circuit board, a touch panel, a drive circuit board and a power supply board.

2. The integrated control module for use on an oven according to claim 1, characterized in that: The outer side of the flexible circuit board extends outward to form a first electrode connecting part, a second electrode connecting part, a third electrode connecting part and a fourth electrode connecting part.

3. The integrated control module for use on an oven according to claim 1, characterized in that: The touch panel is a PVC tea color cover.

4. The integrated control module for use on an oven according to claim 3, characterized in that: The surface of the touch panel is provided with a point touch operation area and an information display area.

5. The integrated control module for use on an oven according to claim 1, characterized in that: The control shell is provided with a plurality of fixed columns in the fixed cavity.

6. The integrated control module for use on an oven according to claim 1, characterized in that: The control shell is provided with a plurality of connecting columns on the back surface.

7. The integrated control module for use on an oven according to claim 1, characterized in that: The drive circuit board comprises a display module, a control module and a sound module.

8. The integrated control module for use on an oven according to claim 7, characterized in that: The control module comprises a main control circuit, a touch control circuit, a load circuit, a coding circuit and a temperature control circuit. The touch control circuit, the load circuit, the coding circuit and the temperature control circuit are electrically connected with the main control circuit.

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