Control module and refrigerator

Abstract

The invention discloses a control module which comprises a main control board, an electric connector matched with the main control board and a main control board support for supporting the main control board and the electric connector. The main control board is provided with a conductive contact piece used for being connected with an electric connector in an inserted mode. And the main control board does not need to be provided with a plug plugged with the electric connector, so that space and cost are saved.

Description

Technical Field

[0001] The present invention relates to the field of refrigeration, and in particular to a control module and a refrigerator. Background Art

[0002] At present, most built-in refrigerators have a control system assembly for controlling the operation of refrigerator electrical components integrated on the top of the refrigerator. Refrigerators with a display function on the top of the front usually use a display circuit board to connect to the main control board to realize the display function. The installation steps are many and the cost is high. The main control board usually has a plug connector to connect to the connector in the refrigerator, which takes up a lot of space and is costly. Summary of the invention

[0003] One of the purposes of the present invention is to provide a control module to solve the technical problem in the prior art that a main control board is provided with a plug connected to an electrical connector, which occupies space and is costly.

[0004] One of the objects of the present invention is to provide a refrigerator.

[0005] To achieve one of the above-mentioned purposes of the invention, one embodiment of the present invention provides a control module, including a main control board, an electrical connector arranged in conjunction with the main control board, and a main control board bracket supporting the main control board and the electrical connector; the main control board is provided with a conductive contact for plugging with the electrical connector.

[0006] As a further improvement of one embodiment of the present invention, the surface of the main control board is plated with conductive metal and / or metal compound to form the conductive contact; the main control board includes at least one group of conductive contacts corresponding to one of the electrical connectors, and the conductive contacts in the same group are arranged evenly and at intervals.

[0007] As a further improvement of one embodiment of the present invention, the electrical connector includes a terminal in contact with the conductive contact and a body that carries the terminal. A limiting wall is provided at the rear end of the main control board bracket. The limiting wall includes a first wall extending in the horizontal direction, and the first wall is used to limit the two ends of the body in the vertical direction. The limiting wall includes a second wall extending in the vertical direction, and the second wall is used to limit the two ends of the body in the horizontal direction.

[0008] As a further improvement of one embodiment of the present invention, the rear end of the main body is provided with a step wall, and the step wall abuts against the main control board bracket forward; the rear end of the main control board bracket is also provided with an elastic wall located on the bottom surface of the main body, and the elastic wall is provided with a protrusion toward the main body, and the body abuts against the protrusion backward.

[0009] As a further improvement of one embodiment of the present invention, a plurality of limiting protrusions and limiting buckles are provided on the inner surface of the main control board bracket, the limiting protrusions abut against the edge of the main control board, the main control board passes through the limiting buckles, and the limiting buckles abut against the upper surface of the main control board.

[0010] As a further improvement of one embodiment of the present invention, the control module includes a display and control component arranged in cooperation with the main control board, the display and control component has a display lamp bead arranged on the main control board, a display panel arranged at a certain angle to the main control board, a display conversion component arranged between the display lamp bead and the display panel, and a control component arranged between the display panel and the main control board.

[0011] As a further improvement of one embodiment of the present invention, the display lamp beads are LED lamp beads, the display conversion component is an opaque plastic component, the display conversion component is installed on the main control board and a light channel leading to the display panel is set at the corresponding display lamp beads.

[0012] As a further improvement of an embodiment of the present invention, the display lamp bead is an LED lamp bead, and the display conversion component includes a light conversion component installed on the main control board, a light guide component installed on the light conversion component, and a light transparent component partially covering the light guide component; the light conversion component is an opaque plastic component, and a light channel is set corresponding to the display lamp bead, the light guide component is installed in the light channel and extends out of the light conversion component, and the light transparent component is set between the light guide component and the display panel.

[0013] As a further improvement of one embodiment of the present invention, the light conversion component includes a first light conversion component and a second light conversion component that are snapped together, the first light conversion component is installed at the display lamp bead, the light guide component is installed on the second light conversion component and partially extends into the first light conversion component, and the light guide component is provided with a character structure toward the light transparent component.

[0014] As a further improvement of an embodiment of the present invention, the control component includes a metal sensing spring and a plastic sensing gasket connected to the metal sensing spring; the metal sensing spring is connected to the main control board, and the plastic sensing gasket is arranged at the front end of the display panel.

[0015] As a further improvement of an embodiment of the present invention, a first mounting groove is provided on the front wall of the display panel, a mounting plate is provided in the first mounting groove, the metal plate of the metal sensing spring is adhered to the mounting plate, the elastic foot of the metal sensing spring is connected to the main control board, and the plastic sensing gasket is further assembled into the first mounting groove and adheres to and presses the metal plate of the metal sensing spring.

[0016] To achieve one of the above-mentioned purposes of the invention, one embodiment of the present invention provides a refrigerator, comprising a box body and a door body for opening or closing the box body, wherein the box body comprises a shell and an inner tank; the refrigerator also comprises an installation box arranged between the shell and the inner tank and a control module of any of the above-mentioned technical solutions, wherein the control module is arranged in the installation box.

[0017] Compared with the prior art, the present invention provides a control module, in which a main control board is provided with conductive contacts plugged into an electrical connector, which does not occupy space and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a perspective view of a refrigerator according to one embodiment of the present invention.

[0019] Figure 2 It is a stereoscopic view of a refrigerator with a control module removed according to one embodiment of the present invention.

[0020] Figure 3 It is a stereoscopic diagram of a refrigerator with an installation box and a control module removed in one embodiment of the present invention.

[0021] Figure 4 It is a schematic diagram of disassembling a control module of a refrigerator using a screwdriver according to one embodiment of the present invention.

[0022] Figure 5 yes Figure 4 Schematic diagram of the screwdriver's matching structure inside the display panel.

[0023] Figure 6 is an exploded view of a mounting box and a control module in one embodiment of the present invention.

[0024] Figure 7 yes Figure 6 Magnified view of the structure in the middle circle.

[0025] Figure 8 It is a schematic diagram of the coordination between the control module and the display conversion element in one embodiment of the present invention.

[0026] Fig. 9 yes Figure 8 An exploded view of the display conversion is shown.

[0027] Fig.10 yes Fig. 9 A schematic diagram of the control module from another angle is shown.

[0028] Fig.11 yes Fig. 9 A cross-sectional view of the control module is shown.

[0029] Fig.12 It is a partial structural schematic diagram of the display and control component in one embodiment of the present invention.

[0030] Fig.13 yes Fig.12 A schematic diagram from another angle is shown.

[0031] Fig.14 is a schematic diagram of a control module in another embodiment of the present invention, wherein the display conversion element is different from the previous embodiment.

[0032] Fig.15 yes Fig.14 A schematic diagram from another angle is shown.

[0033] Fig.16 yes Fig.14 A further exploded view of the partial structure shown. DETAILED DESCRIPTION

[0034] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0035] As used herein, terms indicating spatial relative positions such as "upper," "above," "lower," and "below" are used for the purpose of convenience to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings. Terms of spatial relative position may be intended to include different orientations of the device in use or operation in addition to the orientation shown in the drawings. For example, if the device in the figure is turned over, units described as being "below" or "beneath" other units or features will be located "above" the other units or features. Thus, the exemplary term "below" can encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein interpreted accordingly.

[0036] See also Figure 1-3 , is a schematic diagram of a refrigerator 100 provided in one embodiment of the present invention. The refrigerator 100 includes a box body 10 and a door body for opening or closing the box body 10 . The box body 10 includes a shell 11 and an inner tank 12 .

[0037] Preferably, the refrigerator 100 further includes an installation box 20 disposed between the shell 11 and the inner tank 12 and a control module 30 disposed in the installation box 20. A foaming cavity is formed between the shell 11 and the inner tank 12. In this embodiment, the installation box 20 is disposed at the front side of the foaming cavity and is disposed close to the top wall of the shell 11, thereby increasing the distance between the bottom of the installation box 20 and the inner tank 12, thereby increasing the insulation thickness between the two, thereby reducing the influence of the temperature in the box on the control module 30, and the heat generated by the control module 30 when working can also be conducted away with the help of the metal shell 11, thereby enhancing the heat dissipation effect.

[0038] More specifically, Figure 6As shown, the installation box 20 is pre-buried in the box body 10 for the control module 30 to be inserted, and the installation box 20 includes an upper box body 22 and a lower box body 23, and an assembly space 201 for accommodating the control module 30 is provided between the upper and lower box bodies 22 and 23. The upper box body 22 is arranged to cover the top wall of the shell 11, and the lower box body 23 is downwardly spaced a distance from the inner liner 12 to ensure the heat preservation effect of the installation box 20.

[0039] Preferably, the control module 30 includes a main control board 41, a main control board bracket 43 supporting the main control board 41, and a display control component 50 arranged in cooperation with the main control board 41; in this embodiment, the main control board bracket 43 and the main control board 41 together constitute the main control component 40, and in other embodiments, the main control component 40 may also include other components with other additional functions. After the main control component 40 and the display control component 50 are assembled and matched, they are assembled into the installation box 20 together, which simplifies the installation steps, saves time and effort, and the main control component 40 and the display control component 50 can be disassembled as a whole for subsequent maintenance. The main control component 40 is used for electrical control of various electronic devices of the refrigerator 100 and / or control of LEDs, display panels, etc. The display control component 50 is used for display functions.

[0040] Preferably, the control module 30 further comprises an electrical connector 80 arranged in cooperation with the main control board 41, and the main control board 41 is provided with a conductive contact 411 for plugging with the electrical connector 80. Figure 8-11 As shown, in this way, the conductive contact piece 411 is electrically connected to the electrical connector 80 to conduct signals, and the main control board 41 does not need to be provided with a plug connector, which does not take up space and saves costs.

[0041] The surface of the main control board 41 is plated with conductive metal and / or metal compound to form the conductive contact 411. The conductive contact 411 can be a gold finger. Such a structure is simple, does not occupy space, is convenient for plugging, and saves the cost of manufacturing the plug. The main control board 41 includes at least one group of conductive contacts 411 corresponding to one of the electrical connectors 80. The conductive contacts 411 in the same group are arranged evenly and at intervals, and the size and structure of the conductive contacts 411 in the same group are usually consistent. Multiple groups of conductive contacts 411 plugged into different electrical connectors can transmit different signals.

[0042] Preferably, the electrical connector 80 includes a terminal 81 that contacts the conductive contact 411 and a body 82 that supports the terminal 81. A limiting wall 434 is provided at the rear end of the main control board bracket 43. The limiting wall 434 includes a first wall 4341 extending in the horizontal direction. The first wall 4341 is used to limit the two ends of the body 82 in the vertical direction. The limiting wall 434 includes a second wall 4342 extending in the vertical direction. The second wall 4342 is used to limit the two ends of the body 82 in the horizontal direction.

[0043] Specifically, the body 82 is provided with second walls 4342 at both ends in the horizontal direction, and with first walls 4342 at both ends in the vertical direction. The body 82 is limited in both the horizontal and vertical directions to ensure the stability of the insertion.

[0044] Specifically, the main control board bracket 43 has a first bottom wall 431, a first end wall 432 and a first rear wall 433. The first bottom wall 431, the first end wall 432 and the first rear wall 433 are arranged to form a receiving space 430. The main control circuit board 41 is installed in the receiving space 430. The main control board bracket 43 also separates another installation space 4301 near the first end wall 432. The above-mentioned limiting wall 434 is formed on the outer surface of the first rear wall 433. The following elastic wall 435 is formed by extending backward from the first bottom wall 431, which can be combined with Figure 8-11 As shown in 14-16.

[0045] The rear end of the body 82 is provided with a step wall 821, and the step wall 821 abuts against the main control board bracket 43 in the front, specifically, the step wall 821 abuts against the first rear wall 433 in the front; the rear end of the main control board bracket 43 is also provided with an elastic wall 435 located on the bottom surface of the body 82, and the elastic wall 435 is provided with a protrusion 4351 toward the body 82, and the body 82 abuts against the protrusion 4351 in the rear. In this way, the main control board bracket 43 can also limit the body 82 in the front-to-back direction, firmly clamp the electrical connector 80 on the main control board bracket 43 to prevent it from falling off, thereby ensuring the stability of plugging with the main control board 41.

[0046] Preferably, the inner surface of the main control board bracket 43 is further provided with a plurality of limiting convex strips 436 and limiting buckles 437, the limiting convex strips 436 abut against the edge of the main control board 41, the main control board 41 passes through the limiting buckles 437, and the limiting buckles 437 abut against the upper surface of the main control board 41. The main control board bracket 43 and the main control board 41 are limited to prevent the main control board 41 from shifting and causing signal transmission failure.

[0047] First, the main control board 41 is fixed to the main control board bracket 43 through the corresponding limiting convex strips 436 and limiting buckles 437. Then, the electrical connector 80 is plugged with the corresponding conductive contact piece 411, and fixed with the corresponding limiting wall 434 and elastic wall 435 on the main control board bracket 43 to prevent the electrical connector 80 from being easily misplaced or falling off, thereby ensuring the stability of signal transmission.

[0048] The refrigerator 100 includes a wireless communication module 60 disposed on the main control board bracket 43, and the wireless communication module 60 is separately disposed on one side of the main control board 41 in the horizontal direction. Specifically, the wireless communication module 60 is installed in another installation space 4301, the wireless communication module 60 does not overlap with the main control board 41 in the horizontal direction, and the main control board 41 does not block the wireless communication module 60 in the front-to-back direction, and does not affect communication.

[0049] Specifically, the refrigerator 100 integrates the wireless communication module 60 into the main control board bracket 43. Because the PCB circuit board will hinder the propagation of the wireless communication signal, in this case, there is no circuit board set in the front area of ​​the wireless communication module 60, and the front area only has a plastic structure, so that the wireless communication signal can propagate outward. In addition, after the fully embedded refrigerator is fixed to the cabinet, it is difficult to drag it out as a whole. It is necessary to remove a series of mounting parts before the refrigerator can be dragged out. The refrigerator of the prior art places the wireless communication module 60 on the top. Once damaged, the entire refrigerator needs to be dragged out before it can be repaired. The present invention integrates the wireless communication module 60 in the main control board bracket 43. Once damaged, the refrigerator can also be repaired and replaced in the cabinet, making after-sales maintenance more convenient and quick, saving time and effort.

[0050] Preferably, the display control component 50 comprises a display lamp bead 51 disposed on the main control board 41, a display panel 53 disposed at a certain angle to the main control board 41, a display conversion member 52 disposed between the display lamp bead 51 and the display panel 53, and a control component disposed between the display panel 53 and the main control board 41. Currently, most refrigerators use a display circuit board electrically connected to the main control board to realize the display function, and the two circuit boards need to be plugged and installed, which is costly.

[0051] Combination Figure 8-13 As shown, the present invention integrates a main control board 41, and the main control board 41 integrates a display circuit board and a display lamp bead 51. Since the main control board 41 and the display panel 53 are generally set at an angle, the light of the display lamp bead 51 is inconsistent with the required display direction, so a display conversion member 52 is designed to convert the light direction to the direction toward the display panel 53, that is, the direction facing the user. The display conversion member 52 and the main control board 41 are installed and fixed by buckles and positioning columns, or other positioning structures such as screws, which are not limited here. The display lamp bead 51 emits light, and the light is guided to the position of the display panel 53 through the display conversion member 52, the light-transmitting area is lit, and the output result is displayed.

[0052] Because the display circuit is integrated into the main control board 41, the display panel 53 also needs to be electrically connected to the main control board 41 to exchange information. Therefore, a control component is designed to feed back the information sensed by the display panel 53 to the main control board 41. At the same time, the main control board 41 also outputs information to the display panel 53 to realize the display function.

[0053] Preferably, the display lamp bead is an LED lamp bead, and the display conversion component 52 includes a light conversion component 521 installed on the main control board 41, a light guide component 523 installed on the light conversion component, and a light transparent component 525 partially covering the light guide component 523; the light conversion component 521 is an opaque plastic component, and a light channel is set corresponding to the display lamp bead 51, the light guide component 523 is installed in the light channel and extends out of the light conversion component 521, and the light transparent component 525 is set between the light guide component 523 and the display panel 53.

[0054] Specifically, the light conversion component 521 is installed above the display lamp bead 51 and has a plurality of through holes, which form a light channel. Since the display conversion component 52 is not light-transmitting, the light from the display lamp bead 51 can only be transmitted through the through holes. The light guide 523 is installed in the through holes to continue to guide the light to the light-transmitting component 525. The light-transmitting component 525 is made of light-transmitting material, but is provided with a light-transmitting port to transmit the light from the light guide 523.

[0055] Preferably, the light conversion component 521 includes a first light conversion component 5211 and a second light conversion component 5212 that are snap-fitted to each other, the first light conversion component 5211 is installed at the display lamp bead 51, the light guide component 523 is installed on the second light conversion component 5212 and partially extends into the first light conversion component 5211, and the light guide component 523 is provided with a character structure 5231 facing the light-transmitting component 525, and characters can be displayed directly through the light guide component 523.

[0056] Specifically, the first light conversion member 5211 and the second light conversion member 5212 are connected to each other by snapping together through the snapping structure 5210 to form a rectangular shape. The light conversion member 521 can also be snapped to the main control board 41 through the snapping structure 5210 to strengthen the combination. The first light conversion member 5211 and the second light conversion member 5212 are both provided with through holes inside and are connected to each other to form a communicating light channel. The light guide member 523 can guide light as a whole, and the character structure arranged toward the light-transmitting member 525 can be displayed. The light-transmitting port arranged in the light-transmitting member 525 is consistent with the character structure, and other parts of the light-transmitting member 525 cover the light of the light guide member 523. The light from the display lamp bead 51 passes through the light channel of the light conversion member 521, is conducted by the light guide member 523, and then is transmitted to the display panel 53 by the light-transmitting member 523, completing the conversion of the light display direction.

[0057] Specifically, first install the light guide 523 into the light channel of the second light conversion member 5212; install the light-transmitting member 525 to the front end of the second light conversion member 5212 through the guide structure, and press the light guide 523 in the middle. The exposed part of the light guide 523 behind the second light conversion member 5212 is to receive the light from the first light conversion member 5211; snap the three assembled parts together to the first light conversion member 5211, and the display conversion member 52 is installed. Finally, the display conversion member 52 is installed to the main control board 41 through a positioning structure such as a buckle or a positioning column or a screw. The buckle or a positioning column or a screw is set at the bottom of the first light conversion member 5211 to achieve fixed assembly with the main control board 41.

[0058] Preferably, the display lamp beads are LED lamp beads, the display conversion component 52 is an opaque plastic component, the display conversion component 52 is installed on the main control board 41 and a light channel leading to the display panel 53 is set at the corresponding display lamp beads 51.

[0059] Specifically, combined Figure 14-16 As shown, it is another embodiment of the present case, in which the display conversion member 52 is different from the previous embodiment. The display conversion member 52 is a right-angled triangle block, which is installed above the display lamp bead 51 and has a plurality of through holes. The through holes form the light channel. Since the display conversion member 52 is not light-transmissive, the light from the display lamp bead 51 can only be transmitted through the through holes, thereby illuminating the display panel 53. The front end of the display panel 53 should be provided with a display color film, and the display color film is provided with a light-transmissive character area to display the character results. In this embodiment, the main control board 41 is provided with a plug connector for plugging in an electrical connector, and the other structures are the same and can be referred to together. It can be understood that this place can also be set as a conductive contact 411 to save space and save costs.

[0060] Preferably, the control assembly includes a metal sensing spring 58 and a plastic sensing pad 59 connected to the metal sensing spring 58; the metal sensing spring 58 is connected to the main control board 41, and the plastic sensing pad 59 is arranged at the front end of the display panel 53. The plastic sensing pad 59 is used to sense the pressure of the user touching the display panel 53 and transmit the data to the main control board 41 through the metal sensing spring 59.

[0061] Specifically, the display panel 53 opens rearwards and includes a second front wall 531, a second end wall 532, a second top wall 533 and a second bottom wall 534; the second front wall 531, the second end wall 532, the second top wall 533 and the second bottom wall 534 surround and form an installation space opening rearwards.

[0062] Preferably, the second front wall 531 of the display panel 53 is provided with a first mounting groove 5310, a mounting plate 5311 is provided in the first mounting groove 5310, a metal plate 581 of the metal sensing spring 58 is attached to the mounting plate 5311, an elastic foot 582 of the metal sensing spring 58 is connected to the main control board 41, and the plastic sensing gasket 59 is further assembled into the first mounting groove 5310 and attached to and pressed against the metal plate 581 of the metal sensing spring. The metal sensing spring 58 and the plastic sensing gasket 59 have a large attachment area and are tightly attached, which is conducive to sensitive sensing of pressing force.

[0063] Specifically, after the control component is assembled, the metal sensing spring 58 is electrically overlapped with the metal overlapping position of the main control board 41. When the user touches the icon position of the display panel 54 with his hand, the pressing force transmits the signal to the metal sensing spring 58 through the plastic sensing gasket 59, and then transmits it to the main control board 41.

[0064] Preferably, the display and control component 50 further includes a magnetic switch 57 and / or an ambient temperature sensor 56 installed in front of the display and control circuit board 53 .

[0065] Specifically, the magnetic switch 57 and / or the ambient temperature sensor 56 are arranged near the second end wall 532 to facilitate wiring. The magnetic switch 57 is snapped into the corresponding slot of the display panel 53. The magnetic switch 57 is mainly used to control the operation and shutdown of the internal electrical components of the refrigerator 100 after the refrigerator 100 door is opened and closed. The ambient humidity sensor 56 can also be integrated into the display panel 53, eliminating the cost of opening a separate installation embedded box on the top of the box body for the humidity sensor 56. At the same time, the fully embedded refrigerators on the market currently do not use this ambient humidity sensor 56. The design of the present invention has an additional function compared to the fully embedded refrigerator. The ambient humidity sensor 56 is also pre-installed into the corresponding slot of the display panel 53. The ambient humidity sensor 56 is mainly used to sense the changes in humidity and temperature outside the refrigerator 100 to better control the operation of the refrigerator 100.

[0066] The assembly method of the control module 30 of the present invention is as follows: insert the metal sensing spring 58 and the plastic sensing gasket 59 into the first mounting groove 5310 of the display panel 53 from front to back; the front end of the display panel 53 can continue to be covered with a display film; assemble the magnetic switch 57 and / or the ambient temperature sensor 56 into the display panel 53 from back to front; install the display conversion component 52 on the integrated main control board 41 and assemble them together on the main control board bracket 43; install the wireless communication module 60 into another accommodating space; arrange the cables of the magnetic switch 57 and / or the cables of the ambient humidity sensor 56 so that the cables can be pushed into the main control board bracket 43 through the gap at the second end wall 532 to facilitate the subsequent connection of the wires when assembling the refrigerator 100; assemble the display panel 53 and the main control board bracket 43 together.

[0067] After the display control component 50 and the main control component 40 are assembled and installed on the refrigerator, the electrical connector 80 is inserted into the corresponding conductive contact 411, and the control module 30 is pushed into the refrigerator as a whole. Similarly, when disassembly is required, the control module 30 can be disassembled as a whole at the same time to facilitate maintenance. Figure 6-7 As shown, the clamping connection between the display panel 53 and the main control board bracket 43, and the clamping connection between the display panel 53 and the installation box 20 will be described in detail.

[0068] Preferably, the second end wall 532 of the display panel 53 is provided with a snap groove 5321, and the end of the main control board bracket 43 is provided with a first elastic arm 4321 corresponding to the snap groove 5321, and the first elastic arm 4321 is locked and limited with the snap groove 5321 to prevent the display panel 53 from detaching backwards. The front end edge of the first end wall 432 is bent backwards to form the first elastic arm 4321, and there is a clearance space between the first elastic arm 4321 and the first end wall 432 for the first elastic arm 4321 to deform and make way.

[0069] Preferably, the first elastic arm 4321 abuts against the installation box 20 backwards, and when the control module 30 is assembled into the installation box 20, the control module 30 is prevented from being excessively installed backwards; the first elastic arm 4321 is provided with a guide block 4322 and a fixed block 4323, the guide block 4322 guides and abuts against the second end wall 532 of the display control board bracket, and the fixed block 4323 abuts against the inner wall surface of the buckle groove 5321 to limit the position. The guide block 4322 is located in front of the fixed block 4323, and when the display panel 53 is buckled with the main control board bracket 43, the second end wall 532 abuts against the guide block 4322, so that the second end wall 532 deforms inwards to give way, and finally passes through the fixed block 4323, and the fixed block 4323 abuts against the inner wall surface of the buckle groove 5321 backwards, preventing the display panel 53 from loosening the main control board bracket 43.

[0070] Preferably, the first end wall 432 of the main control board bracket is further provided with an abutting arm 4320, and the abutting arm abuts the installation box 20 in the transverse direction. Specifically, the inner wall of the installation box 20 is provided with a convex bump 202, and after the main control board bracket 43 is assembled into the installation box 20, the abutting arm 4320 abuts against the convex bump 202, which is conducive to the transverse limitation of the main control board bracket 43 in the installation box 20.

[0071] Preferably, the second end wall 532 of the display panel 53 is provided with a second elastic arm 5322, and the second elastic arm 5322 is vertically arranged in parallel with the snap groove 5321; the second elastic arm 5322 has a step portion 5323 protruding toward the installation box 20; and the installation box 20 is provided with a clamping portion 21 cooperating with the step portion 5323.

[0072] Specifically, the main control board bracket 43 cooperates with the display panel 53 through the first elastic arm 4321, and cooperates with the installation box 20 through the abutting arm. The display panel 53 cooperates with the installation box 20 through the second elastic arm 5322. Specifically, the clamping portion 21 abuts against the step portion 5323 backwards. The setting of the step portion 5323 prevents the clamping portion 21 from sliding over easily, thereby ensuring the stability of the positioning of the display panel 53 and the installation box 20.

[0073] Specifically, it can be combined Figure 4-5 As shown, the display panel 53 has a receiving groove 530 on the bottom surface of the second end wall 532 for a tool 70 (such as a screwdriver) to enter. The tool 70 screwdriver can be inserted, and the screwdriver head can be used to move the second elastic arm 5322, so that the second elastic arm 5322 is deformed inward, and the clamping portion 21 can gradually slide over the step portion 5323, and the clamping portion 21 is loosened from the step portion 5323, and the display panel 53 and the installation box 20 are released from the limit. At this time, the display panel 53 is pulled, and the display control component 50 and the main control component 40 can be removed from the installation box 20, which is convenient for subsequent maintenance work. Obviously, by operating the screwdriver to move the second elastic arm 5322, the control module 30 can be disassembled as a whole, which is convenient for subsequent maintenance.

[0074] The beneficial effects of the present invention are as follows: the main control board 41 is provided with a conductive contact 411 which is plugged into the electrical connector 80, which has a simple structure and saves space cost; the integrated main control board 41 does not need to set up two circuit boards, and the display function is realized through the display conversion component 52 and the control component; the display conversion component 52 cooperates with the display lamp bead 51 to change the propagation direction of the light to meet the display direction required by the user; the control component includes a plastic sensing gasket 59 for sensing pressure and a metal sensing spring 58 connected to the main control board 41 to transmit signals and display the required characters in real time.

[0075] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0076] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A control module, characterized in that: It comprises a main control board, an electric connector matched with the main control board and a main control board bracket supporting the main control board and the electric connector; the main control board is provided with a conductive contact piece for plugging with the electric connector.

2. The control module according to claim 1, characterized in that: The surface of the main control board is plated with conductive metal and / or metal compound to form the conductive contact sheet; the main control board includes at least one group of conductive contact sheets corresponding to one of the electrical connectors, and the conductive contact sheets in the same group are arranged evenly and at intervals.

3. The control module according to claim 1, characterized in that: The electrical connector includes a terminal in contact with a conductive contact and a body that carries the terminal. A limiting wall is provided at the rear end of the main control board bracket. The limiting wall includes a first wall extending in the horizontal direction, and the first wall is used to limit the two ends of the body in the vertical direction. The limiting wall includes a second wall extending in the vertical direction, and the second wall is used to limit the two ends of the body in the horizontal direction.

4. The control module according to claim 3, characterized in that: The rear end of the body is provided with a step wall, which abuts against the main control board bracket forward; the rear end of the main control board bracket is also provided with an elastic wall located on the bottom surface of the body, and the elastic wall is provided with a protrusion toward the body, and the body abuts against the protrusion backward.

5. The control module according to claim 1, characterized in that: The inner surface of the main control board bracket is provided with a plurality of limiting convex strips and limiting buckles, the limiting convex strips abut against the edge of the main control board, the main control board passes through the limiting buckles, and the limiting buckles abut against the upper surface of the main control board.

6. The control module according to claim 1, characterized in that: The display control component comprises display lamp beads arranged on the main control board, a display panel arranged at a certain angle to the main control board, a display conversion member arranged between the display lamp beads and the display panel, and a control component arranged between the display panel and the main control board.

7. The control module according to claim 6, characterized in that: The display lamp beads are LED lamp beads, the display conversion component is an opaque plastic component, the display conversion component is installed on the main control board and a light channel leading to the display panel is arranged at the corresponding display lamp beads.

8. The control module according to claim 6, characterized in that: The display lamp beads are LED lamp beads, and the display conversion component includes a light conversion component installed on the main control board, a light guide component installed on the light conversion component, and a light transparent component partially covering the light guide component; the light conversion component is an opaque plastic component, and a light channel is set corresponding to the display lamp beads, the light guide component is installed in the light channel and extends out of the light conversion component, and the light transparent component is set between the light guide component and the display panel.

9. The control module according to claim 8, characterized in that: The light conversion component includes a first light conversion component and a second light conversion component that are locked with each other. The first light conversion component is installed at the display lamp bead. The light guide component is installed on the second light conversion component and partially extends into the first light conversion component. The light guide component is provided with a character structure toward the light-transmitting component.

10. The control module according to claim 6, characterized in that: The control component comprises a metal sensing spring and a plastic sensing pad connected to the metal sensing spring; the metal sensing spring is connected to the main control board, and the plastic sensing pad is arranged at the front end of the display panel.

11. The control module according to claim 10, characterized in that: A first mounting groove is provided on the front wall of the display panel, a mounting plate is provided in the first mounting groove, the metal plate of the metal sensing spring is adhered to the mounting plate, the elastic foot of the metal sensing spring is connected to the main control board, and the plastic sensing gasket is further assembled into the first mounting groove and adheres to and presses the metal plate of the metal sensing spring.

12. A refrigerator, characterized in that: The refrigerator comprises a box body and a door body for opening or closing the box body, wherein the box body comprises a shell and an inner tank; the refrigerator further comprises an installation box arranged between the shell and the inner tank and a control module according to any one of claims 1 to 11, wherein the control module is arranged in the installation box.

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