CN113625823B - A knob controller for intelligent terminal - Google Patents

Abstract

The invention discloses a knob controller for an intelligent terminal, which comprises a knob control mechanism, a display device and a base; the knob control mechanism comprises a hollow encoder, a sealing cover and a rotary outer ring, wherein an encoder hole which is matched with the hollow encoder in shape and size is formed in the middle of the sealing cover, an opening of the sealing cover is downwards sleeved on the hollow encoder and drives a code wheel of the hollow encoder to rotate, and the rotary outer ring is sleeved on the sealing cover and drives the sealing cover to rotate. The knob controller for the intelligent terminal adopts the novel hollow encoder as a main element, has more functions, can be flexibly adjusted according to the use requirement, is more convenient and safer to use, adopts the photoelectric code disc, has no mechanical loss, has long service life and low maintenance cost, can adapt to the use requirement of an intelligent home or industrial electronic control intelligent terminal, and provides a complete standard component module solution for the intelligent terminal.

Description

Knob controller for intelligent terminal

Technical Field

The invention relates to the field of automation control, and in particular to a knob controller for an intelligent terminal.

Background Art

Knob controllers are widely used in home appliances such as fans, heaters, humidifiers, and washing machines because they are easy to use. By rotating the knob controller, you can set parameters such as speed, time, and operating mode. After the adjustment is completed, you can get the current speed, timing time, temperature, humidity, operating mode, and other information in real time through the display screen on the knob controller. However, as the application scenarios of knob controllers become more diverse, new problems have also emerged. The existing knob controllers have a single display function and are insufficient in expansion capabilities due to structural limitations, and cannot meet the multi-dimensional application scenarios of smart homes or industrial electronic control terminals.

Summary of the invention

In view of the fact that the knob controller in the prior art mentioned above does not have a waterproof function, the present invention provides a knob controller for a smart terminal, which is provided with an encoder and two PCB boards, can meet the needs of functional expansion of the knob controller for the smart terminal, and is provided with multiple waterproof designs, which can prevent water vapor and water droplets from entering the knob controller and affecting the normal use of the knob controller.

The technical solution adopted by the present invention to solve its technical problems is: a knob controller for an intelligent terminal, comprising a knob control mechanism, a display device and a base; the knob control mechanism comprises a hollow encoder, a sealing cover and a rotating outer ring, the middle part of the sealing cover is provided with an encoder hole that matches the shape and size of the hollow encoder, the sealing cover opening is downwardly sleeved on the hollow encoder and drives the code disk of the hollow encoder to rotate, and the rotating outer ring is sleeved on the sealing cover and drives the sealing cover to rotate; the display device is arranged above the knob control mechanism, the display device comprises a display screen support base whose shape matches the rotating outer ring, a display screen module arranged in the display support base and a protective lens covering the display screen module; a connecting through hole for mounting the knob control mechanism is provided on the base, a first PCB board and a second PCB board are arranged in the base, the first PCB board matches the shape of the connecting through hole, the first PCB board is arranged opposite to the connecting through hole, the second PCB board is arranged below the first PCB board and connected to the first PCB board, and the hollow encoder is arranged on the first PCB board.

The technical solution adopted by the present invention to solve the technical problem further includes:

In the knob controller for a smart terminal as described above, a connecting plug is provided on the bottom surface of the first PCB board, a connecting socket matching the connecting plug is provided on the second PCB board, and the connecting plug is inserted into the connecting socket to connect the first PCB board and the second PCB board.

In the knob controller for an intelligent terminal as described above, a push button is provided on the first PCB board, and the push button is arranged at a position corresponding to the hollow part of the hollow rotating shaft of the hollow encoder, and a downward pressure column cooperating with the push button is provided on the bottom surface of the display screen support base, and the downward pressure column is arranged along the vertical direction, and the downward pressure column passes through the hollow rotating shaft and abuts against the push button arranged on the first PCB board.

As described above, in a knob controller for an intelligent terminal, the base is provided with a connecting protrusion arranged along the edge of the connecting through hole, the inner diameter of the sealing cover is consistent with the outer diameter of the connecting protrusion, the sealing cover covers the outside of the connecting protrusion, and a soft rubber sealing ring is provided between the sealing cover and the connecting protrusion.

In the knob controller for a smart terminal as described above, the upper surface of the display screen support base is provided with a sealing protrusion arranged along the edge, so that a display screen mounting position for mounting the display screen module is formed in the middle of the display screen support base; the protective lens is connected to the sealing protrusion, so that the display screen module is fixed in the display screen mounting position; and a wiring through hole is provided at the bottom of the display screen mounting position.

In a knob controller for a smart terminal as described above, an outer ring flange arranged along the circumferential direction is provided on the inner wall of the rotating outer ring, and a step position and a base hook are provided on the edge of the lower surface of the display screen support base, and the step position and the base hook are arranged at intervals along the circumferential direction, the step position abuts against the upper surface of the outer ring flange, and the base hook hooks the lower surface of the outer ring flange.

According to the knob controller for an intelligent terminal as described above, a limit hook and a limit bar arranged along the vertical direction are provided in the middle part of the lower surface of the display screen support base, the limit hook and the limit bar are arranged at intervals along the circumferential direction, the limit hook and the limit bar are inserted in the hollow rotating shaft of the hollow encoder, the inner wall of the hollow rotating shaft is provided with a first limit groove cooperating with the limit hook and a second limit groove cooperating with the limit bar, the first limit groove and the second limit groove are arranged along the vertical direction, the first limit groove is provided with a limit protrusion cooperating with the limit hook to limit the vertical position of the display screen support base, and the limit bar is inserted in the second limit groove to limit the circumferential movement of the bottom of the display screen support base.

In the knob controller for an intelligent terminal as described above, the sealing cover is made of a light-transmitting material, an LED light-emitting module is provided on the inner side of the sealing cover, and the shape of the LED light-emitting module is consistent with the shape of the opening of the sealing cover; light-transmitting holes are respectively provided on the display screen support base and the protective lens, and the light-transmitting holes are distributed circumferentially and correspond to the gear positions of the hollow encoder.

In the knob controller for a smart terminal as described above, the display screen module adopts an LED display module or an LCD display module.

According to the knob controller for an intelligent terminal as described above, a first snap-in protrusion and an anti-slip hook arranged in the vertical direction are provided on the inner wall of the encoder hole of the sealing cover, and the first snap-in protrusion and the anti-slip hook are distributed at intervals in the circumferential direction. A first snap-in groove cooperating with the first snap-in protrusion and the anti-slip hook is provided on the outer wall of the code disk of the hollow encoder; a second snap-in protrusion is provided on the outer wall of the sealing cover connected to the inner wall of the rotating outer ring, and a second snap-in groove cooperating with the second snap-in protrusion is provided on the inner wall of the rotating outer ring.

The beneficial effects of the present invention are as follows: the knob controller for the smart terminal of the present invention adopts a new type of hollow encoder as the main component, has more functions, and can be flexibly adjusted according to the needs of use, is more convenient and safe to use, adopts a photoelectric code disk, has no mechanical loss, has a long service life, and has low maintenance costs. It can adapt to the use needs of smart homes or industrial electronic control smart terminals, and provide a complete set of standard parts module solutions for smart homes or industrial electronic control smart terminals; in order to protect the core components, multiple waterproof sealing designs are set, which can effectively prevent water vapor and water droplets from entering the knob controller, causing damage to the knob controller and affecting the normal use of the knob controller; the knob controller of the present invention uses a liquid crystal display as a display screen, which is smaller in size, has better display effects, and can display more forms of images.

The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a preferred embodiment of a knob controller for an intelligent terminal of the present invention;

Figure 2 is a schematic diagram of the cross-sectional structure along line AA;

FIG3 is a schematic diagram of an exploded structure of a preferred embodiment of a knob controller for a smart terminal of the present invention;

In the figure, 1. knob control mechanism, 11. hollow encoder, 111. code disk, 1111. first clamping groove, 112. hollow rotating shaft, 1121. first limiting groove, 11211. limiting convex edge, 1122. second limiting groove, 12. sealing cover, 121. encoder hole, 122. first clamping protrusion, 123. anti-drop hook, 124. second clamping protrusion, 13. rotating outer ring, 131. outer ring convex edge, 14. LED Light-emitting module, 2. display device, 21. display screen supporting base, 211. sealing flange, 212. wiring through hole, 213. step position, 214. base hook, 215. limit hook, 216. limit strip, 217. pressure column, 22. display screen module, 23. protection lens, 24. light-transmitting hole, 3. base, 31. connecting through hole, 311. connecting flange, 312. soft rubber sealing ring, 32. first PCB board, 321. connecting plug, 322. pressing key, 33. second PCB board, 331. connecting socket.

DETAILED DESCRIPTION

This embodiment is a preferred implementation mode of the present invention. All other embodiments whose principles and basic structures are the same or similar to those of this embodiment are within the protection scope of the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" and "several" is two or more, unless otherwise clearly and specifically defined.

The preferred embodiment of the knob controller for the smart terminal of the present invention is shown in Figures 1-3, and includes a knob control mechanism 1, a display device 2 and a base 3. The knob control mechanism 1 includes a hollow encoder 11, a sealing cover 12 and a rotating outer ring 13. The middle part of the sealing cover 12 is provided with an encoder hole 121 that matches the shape and size of the hollow encoder 11. The opening of the sealing cover 12 is downwardly mounted on the hollow encoder 11 and drives the code disk 111 of the hollow encoder 11 to rotate. The rotating outer ring 13 is mounted on the sealing cover 12 and drives the sealing cover 12 to rotate. In this embodiment, the hollow encoder 11 adopts the EC280103X5A hollow encoder, which is provided with a hollow rotating shaft and a code disk mounted on the hollow rotating shaft, and the lower end of the hollow rotating shaft is provided with a pin for connecting to a PCB board.

In this embodiment, the display device 2 is arranged above the knob control mechanism 1, and the display device 2 includes a display screen support base 21 whose shape matches the rotating outer ring 13, a display screen module 22 arranged in the display screen support base 21, and a protective lens 23 covering the display screen module 22. In order to ensure the display effect, the display screen module 22 adopts an LED display module or an LCD display module, and an LCD display module is adopted in this embodiment.

In this embodiment, the base 3 is rectangular, and a connecting through hole 31 for installing the knob control mechanism 1 is provided in the middle. A first PCB board 32 and a second PCB board 33 are provided in the base 3. The first PCB board 32 matches the shape of the connecting through hole 31, and the first PCB board 32 is arranged opposite to the connecting through hole 31. The second PCB board 33 is arranged below the first PCB board 32 and connected to the first PCB board 32. In this embodiment, the hollow encoder 11 is arranged on the first PCB board 32, and the second PCB board 32 is used to connect with other components of the smart terminal for functional expansion, has a larger expansion space, and will not affect the hollow encoder 11 arranged on the first PCB board 32.

In order to facilitate the connection between the first PCB board 32 and the second PCB board 33, a connecting plug 321 is provided on the bottom surface of the first PCB board 32, and a connecting socket 331 matching with the connecting plug 321 is provided on the second PCB board 33. The connecting plug 321 is connected to the connecting socket 331, so that the first PCB board 32 can be connected to other components through the second PCB board 33.

In order to increase the operational possibilities of the knob controller and adapt to the user's usage habits, a push button 322 is provided on the first PCB board 32. The push button 322 is set at a position corresponding to the hollow part of the hollow rotating shaft 112 of the hollow encoder 11. A downward pressure column 217 cooperating with the push button 322 is provided on the bottom surface of the display screen support base 21. The downward pressure column 217 is set in the vertical direction. The downward pressure column 217 passes through the hollow rotating shaft 112 and abuts against the push button 322 set on the first PCB board 32. The manufacturer can edit the function of the push button as needed.

In order to make the knob controller have better sealing performance and prevent water vapor from entering and corroding components such as PCB boards, a connecting protrusion 311 is provided on the base 3 of this embodiment along the edge of the connecting through hole 31, the inner diameter of the sealing cover 12 is consistent with the outer diameter of the connecting protrusion 311, the sealing cover 12 is covered outside the connecting protrusion 311, and a soft rubber sealing ring 312 is provided between the sealing cover 12 and the connecting protrusion 311, which can effectively prevent moisture from entering the knob device.

In order to prevent water from entering the display screen module 22, a sealing flange 211 is provided on the upper surface of the display screen support base 21 along the edge, so that a display screen installation position for installing the display screen module 22 is formed in the middle of the display screen support base 21, and the protective lens 23 is connected to the sealing flange 211, so that the display screen module 22 is fixed in the display screen installation position to prevent water from entering. In order to facilitate the installation of the display screen module 22, a wiring through hole 212 is provided at the bottom of the display screen installation position, and the wiring of the display screen module 22 passes through the wiring through hole 212 and is connected to the PCB board below.

In this embodiment, in order to facilitate installation and further improve waterproofness, the display screen support base 21 is rotatably connected to the rotating outer ring 13, and the inner wall of the rotating outer ring 13 is provided with an outer ring flange 131 arranged along the circumferential direction. The edge of the lower surface of the display screen support base 21 is provided with a step position 213 and a base hook 214, and the step position 213 and the base hook 214 are arranged at intervals along the circumferential direction. The step position 213 abuts against the upper surface of the outer ring flange 131, and can cooperate with the outer ring flange 131 to seal the inside of the rotating outer ring 13. The base hook 214 hooks the lower surface of the outer ring flange 131, which can limit the axial movement of the display screen support base 21 without limiting the circumferential rotation, and will not cause the display screen support base 21 to rotate when the rotating outer ring 13 rotates.

In this embodiment, in order to further fix the display screen support base 21, a limit hook 215 and a limit bar 216 are provided in the middle of the lower surface of the display screen support base 21 along the vertical direction. The limit hook 215 and the limit bar 216 are arranged at intervals along the circumferential direction. The limit hook 215 and the limit bar 216 are inserted into the hollow rotating shaft 112 of the hollow encoder 11. The inner wall of the hollow rotating shaft 112 is provided with a first limit groove 1121 that cooperates with the limit hook 215 and a second limit groove 1122 that cooperates with the limit bar 216. The first limit groove 1121 and the second limit groove 1122 are arranged along the vertical direction. A limit protrusion 11211 that cooperates with the limit hook 215 to limit the vertical position of the display screen support base 21 is provided in the first limit groove 1121. The limit bar 216 Inserted in the second limiting groove 1122, the bottom of the display screen supporting base 21 is limited to move in the circumferential direction.

In order to facilitate the user to accurately control the knob controller of this embodiment in a dark environment, the sealing cover 12 is made of a light-transmitting material, and an LED light-emitting module 14 is provided on the inner side of the sealing cover 12. The shape of the LED light-emitting module 14 matches the shape of the opening of the sealing cover 12; the display screen support base 21 and the protective lens 23 are respectively provided with light-transmitting holes 24, which are distributed circumferentially and correspond to the gear positions of the hollow encoder 11, so that the user can accurately operate in a dark environment and adjust to the corresponding gear position.

In order to enable the user to accurately rotate the code disk of the hollow encoder 11, a first clamping protrusion 122 and an anti-dropping hook 123 are provided on the inner wall of the encoder hole 121 of the sealing cover 12 in the vertical direction, and the first clamping protrusion 122 and the anti-dropping hook 123 are circumferentially spaced. The outer wall of the code disk 111 of the hollow encoder 11 is provided with a first clamping groove 1111 that cooperates with the first clamping protrusion 122 and the anti-dropping hook 123, so that the sealing cover 12 can accurately drive the code disk 111. The outer wall of the sealing cover 12 connected to the inner wall of the rotating outer ring 13 is provided with a second clamping protrusion 124, and the inner wall of the rotating outer ring 13 is provided with a second clamping groove that cooperates with the second clamping protrusion 124, so that the rotating outer ring 13 can accurately drive the sealing cover 12 to rotate.

The beneficial effects of the present invention are as follows: the knob controller for the smart terminal of the present invention adopts a new type of hollow encoder as the main component, has more functions, and can be flexibly adjusted according to the needs of use, is more convenient and safe to use, adopts a photoelectric code disk, has no mechanical loss, has a long service life, and has low maintenance costs. It can adapt to the use needs of smart homes or industrial electronic control smart terminals, and provide a complete set of standard parts module solutions for smart homes or industrial electronic control smart terminals; in order to protect the core components, multiple waterproof sealing designs are set, which can effectively prevent water vapor and water droplets from entering the knob controller, causing damage to the knob controller and affecting the normal use of the knob controller; the knob controller of the present invention uses a liquid crystal display as a display screen, which is smaller in size, has better display effects, and can display more forms of images.

Claims (5)

1. A knob controller for an intelligent terminal, characterized in that it comprises a knob control mechanism (1), a display device (2) and a base (3); the knob control mechanism (1) comprises a hollow encoder (11), a sealing cover (12) and a rotating outer ring (13); an encoder hole (121) having a shape and size matching that of the hollow encoder (11) is provided in the middle of the sealing cover (12); the opening of the sealing cover (12) is downwardly mounted on the hollow encoder (11) and drives the code disk (111) of the hollow encoder (11) to rotate; the rotating outer ring (13) is sleeved on the sealing cover (12) and drives the sealing cover (12) to rotate; the display device (2) is arranged above the knob control mechanism (1), and the display device (2) comprises a display screen support base (21) whose shape matches the rotating outer ring (13), a display screen module (22) arranged in the display screen support base (21), and a protective lens (23) covering the display screen module (22); the base (3) is provided with a connecting through hole (31) for installing the knob control mechanism (1), and the base (3) is provided with a first A PCB board (32) and a second PCB board (33), wherein the first PCB board (32) matches the shape of the connecting through hole (31), the first PCB board (32) and the connecting through hole (31) are arranged opposite to each other, the second PCB board (33) is arranged below the first PCB board (32) and connected to the first PCB board (32), and the hollow encoder (11) is arranged on the first PCB board (32); The base (3) is further provided with a connecting protrusion (311) arranged along the edge of the connecting through hole (31); the inner diameter of the sealing cover (12) matches the outer diameter of the connecting protrusion (311); the sealing cover (12) covers the outside of the connecting protrusion (311); and a soft rubber sealing ring (312) is provided between the sealing cover (12) and the connecting protrusion (311); The upper surface of the display screen support base (21) is provided with a sealing protrusion (211) arranged along the edge, so that the middle of the display screen support base (21) forms a display screen installation position for installing the display screen module (22); the protective lens (23) is connected to the sealing protrusion (211), so that the display screen module (22) is fixed in the display screen installation position; the bottom of the display screen installation position is provided with a wiring through hole (212); the middle of the lower surface of the display screen support base (21) is also provided with a limit hook (215) and a limit bar (216) arranged along the vertical direction, the limit hook (215) and the limit bar (216) are arranged at intervals along the circumferential direction, and the limit hook (215) and the limit bar (216) are arranged at intervals along the circumferential direction. 216) is inserted into the hollow rotating shaft (112) of the hollow encoder (11), and the inner wall of the hollow rotating shaft (112) is provided with a first limiting groove (1121) cooperating with the limiting hook (215) and a second limiting groove (1122) cooperating with the limiting strip (216), the first limiting groove (1121) and the second limiting groove (1122) being arranged along the vertical direction, and a limiting protrusion (11211) cooperating with the limiting hook (215) to limit the vertical position of the display screen support base (21) is arranged in the first limiting groove (1121), and the limiting strip (216) is inserted into the second limiting groove (1122) to limit the circumferential movement of the bottom of the display screen support base (21); The display screen support base (21) is rotatably connected to the rotating outer ring (13); an outer ring flange (131) arranged along the circumferential direction is provided on the inner wall of the rotating outer ring (13); a step position (213) and a base hook (214) are provided on the edge of the lower surface of the display screen support base (21); the step position (213) and the base hook (214) are arranged at intervals along the circumferential direction; the step position (213) abuts against the upper surface of the outer ring flange (131); and the base hook (214) hooks the lower surface of the outer ring flange (131); A first engaging protrusion (122) and an anti-slip hook (123) are provided on the inner wall of the encoder hole (121) of the sealing cover (12) in the vertical direction, and the first engaging protrusion (122) and the anti-slip hook (123) are distributed at intervals in the circumferential direction. A first engaging groove (1111) cooperating with the first engaging protrusion (122) and the anti-slip hook (123) is provided on the outer wall of the code disk (111) of the hollow encoder (11). A second engaging protrusion (124) is provided on the outer wall of the sealing cover (12) connected to the inner wall of the rotating outer ring (13), and a second engaging groove cooperating with the second engaging protrusion (124) is provided on the inner wall of the rotating outer ring (13). 2. The knob controller for an intelligent terminal according to claim 1, characterized in that a connecting plug (321) is provided on the bottom surface of the first PCB board (32), a connecting socket (331) matching with the connecting plug (321) is provided on the second PCB board (33), and the connecting plug (321) is inserted into the connecting socket (331) to connect the first PCB board (32) and the second PCB board (33). 3. The knob controller for a smart terminal according to claim 1, characterized in that a push button (322) is provided on the first PCB board (32), and the push button (322) is arranged at a position corresponding to the hollow part of the hollow rotating shaft (112) of the hollow encoder (11), and a downward pressure column (217) cooperating with the push button (322) is provided on the bottom surface of the display screen support base (21), and the downward pressure column (217) is arranged along the vertical direction, and the downward pressure column (217) passes through the hollow rotating shaft (112) and abuts against the push button (322) arranged on the first PCB board (32). 4. The knob controller for an intelligent terminal according to claim 1, characterized in that the sealing cover (12) is made of a light-transmitting material, an LED light-emitting module (14) is provided on the inner side of the sealing cover (12), and the shape of the LED light-emitting module (14) is consistent with the shape of the opening of the sealing cover (12); the display screen support base (21) and the protective lens (23) are respectively provided with light-transmitting holes (24), and the light-transmitting holes (24) are distributed circumferentially and correspond to the gear positions of the hollow encoder (11). 5. The knob controller for a smart terminal according to claim 1, characterized in that the display screen module (22) adopts an LED display module or an LCD display module.