CN214541406U

CN214541406U - LED digital knob display

Info

Publication number: CN214541406U
Application number: CN202120324820.1U
Authority: CN
Inventors: 张金龙
Original assignee: Xiamen Hualian Electronics Co Ltd
Current assignee: Xiamen Hualian Electronics Co Ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-10-29
Anticipated expiration: 2031-02-04

Abstract

The utility model relates to an electron device technical field. The utility model discloses a digital knob display of LED, including casing, circuit board, hollow rotary encoder and display, the display is LED digital display, and the circuit board sets up in the casing, and rotary encoder and display are fixed to be set up on the circuit board and be connected with the circuit board electricity respectively, and the display is located inside rotary encoder's cavity, and the casing is equipped with the opening of stepping down, and rotary encoder's rotatory dustcoat and the display panel of display are located outside the casing through the opening of stepping down. The utility model discloses with rotary encoder and display integration in same circuit board for rotary encoder and display are effective counterpoint more, reduce the deviation, easily assemble, and are more pleasing to the eye, and simple structure is compact, and the cost is lower.

Description

LED digital knob display

Technical Field

The utility model belongs to the technical field of the electron device, specifically relate to a digital knob display of LED.

Background

The LED digital display is a semiconductor device with digital display and function display, and is widely used in electrical appliances, especially in the field of household appliances, such as air conditioners, water heaters, refrigerators, and the like. The conventional LED digital display is mainly composed of a circuit board, a reflection cover, a display panel, and an LED lamp as a light source. Meanwhile, a knob is often provided on a control panel of the home appliance, and the knob is rotated to select and adjust contents such as a function menu, power level, temperature and the like. Most of these knobs are implemented using rotary encoders, and of course, some are implemented using potentiometers.

On the control panel of some electrical apparatus, in order to reduce the size of control panel in order to save space, improve the aesthetic property simultaneously, often with knob and the digital display of LED integrated together formation LED digital knob display, but this kind of the digital knob display of LED that has now, its knob and the digital display of LED are the split mount, not only the assembly is troublesome, still can lead to having certain error between knob and the display, when the central error is great, knob and display centre of a circle do not coincide, lead to complete machine outward appearance effect not good, the pattern is eccentric, this is the defect of assembling at present.

Disclosure of Invention

An object of the utility model is to provide a digital knob display of LED is used for solving the above-mentioned technical problem who exists.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a digital knob display of LED, includes casing, circuit board, hollow rotary encoder and display, and the display is the digital display of LED, and the circuit board setting is in the casing, and rotary encoder and display are fixed to be set up on the circuit board and be connected with the circuit board electricity respectively, and the display is located rotary encoder's cavity inside, and the casing is equipped with the opening of stepping down, and rotary encoder's rotatory dustcoat and the display panel of display are located outside the casing through the opening of stepping down.

Further, the display comprises an LED light source, a reflecting cover and a display panel, wherein the LED light source is arranged on the circuit board, the reflecting cover is arranged on the LED light source, and the display panel is arranged on the reflecting cover.

Furthermore, a first pattern to be displayed and a second pattern to be displayed are arranged on the same display position of the display panel, the LED light source comprises an LED light source of first monochromatic light and an LED light source of second monochromatic light, and when the LED light source of the first monochromatic light is lightened, the display panel displays the first pattern to be displayed; when the LED light source of the second monochromatic light is lightened, the display panel displays a second pattern to be displayed.

Furthermore, the LED light source of the first monochromatic light and the LED light source of the second monochromatic light are a blue LED light source and an orange LED light source, respectively.

Furthermore, the reflecting cover is inserted and fixed on the circuit board.

Further, the casing is cylindrical structure, and the opening of stepping down sets up the top surface at the casing.

Furthermore, the shell comprises an upper shell and a lower shell, and the upper shell is detachably connected with the lower shell.

Furthermore, a positioning column is arranged at the bottom of the rotary encoder, a positioning hole is formed in the circuit board, and the positioning column penetrates through the positioning hole.

Furthermore, the bottom surface of reference column is equipped with the fixed slot, and lower casing is equipped with the fixed column, and lower casing passes through the fixed column interference to be inserted and establish in the fixed slot and can dismantle with last casing and be connected.

Furthermore, the lower shell is provided with a wire outlet hole.

The utility model has the advantages of:

the utility model discloses with rotary encoder and display integration in same circuit board for rotary encoder and display are effective counterpoint more, reduce the deviation, easily assemble, and are more pleasing to the eye, and simple structure is compact, and the cost is lower.

Furthermore, the utility model discloses a double-colored double display panel, solve the many and miscellaneous problem of UI interface design, reduce the area at UI interface, promote user experience.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is a block diagram of another perspective of an embodiment of the present invention;

FIG. 3 is a block diagram of another perspective of an embodiment of the present invention;

fig. 4 is a structural diagram of a hidden display panel according to an embodiment of the present invention;

FIG. 5 is a block diagram of a hidden display panel and a rotating housing according to an embodiment of the present invention;

FIG. 6 is a block diagram of a hidden lower housing according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of an embodiment of the present invention;

fig. 8 is an exploded view of an embodiment of the present invention;

fig. 9 is an exploded view from another angle according to an embodiment of the present invention.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1-9, an LED digital knob display includes a housing 1, a circuit board 2, a hollow rotary encoder 3 and a display 4, where the display 4 is an LED digital display, the circuit board 2 is disposed in the housing 1, the rotary encoder 3 and the display 4 are fixedly disposed on the circuit board 2 and electrically connected to the circuit board 2, respectively, and the display 4 is located in the hollow interior of the rotary encoder 3, that is, the rotary encoder 3 is disposed around the display 4. The housing 1 is provided with a relief opening 111, and the rotary cover 31 of the rotary encoder 3 and the display panel 41 of the display 4 are located outside the housing 1 through the relief opening 111.

In this embodiment, the hollow rotary encoder 3 is a rotary encoder of a circular ring structure, and may be a photoelectric type, a magnetoelectric type, or a contact brush type, which is a mature existing product, and the specific structure may refer to the prior art and will not be described in detail.

In this embodiment, the housing 1 is preferably a cylindrical structure, which is more compact and beautiful, but not limited thereto, and in some embodiments, the housing 1 may also be a square body or other structures.

In this embodiment, the display 4 includes an LED light source (not shown in the figure), a reflective cover 42 and a display panel 41, the LED light source is disposed on the circuit board 2, the reflective cover 42 is disposed on the LED light source, and the display panel 41 is disposed on the reflective cover 42, which is simple in structure and easy to implement, but not limited thereto, in some embodiments, the display 4 may also adopt an existing LED digital display with other structures.

Preferably, in this embodiment, a first pattern to be displayed and a second pattern to be displayed (not shown in the figure) are disposed on the same display position of the display panel 41, the first pattern to be displayed and the second pattern to be displayed respectively display different contents, the LED light sources include an LED light source of a first monochromatic light and an LED light source of a second monochromatic light, and when the LED light source of the first monochromatic light is turned on, the display panel 41 displays the first pattern to be displayed; when the LED light source of the second monochromatic light is lit, the display panel 41 displays a second pattern to be displayed. Through double-colored double display panel, solve many and tedious problems of UI interface design, reduce the area of UI interface, promote user experience.

The first pattern of waiting to show can adopt the printing ink that can only see through first monochromatic light to constitute, and the second pattern of waiting to show can adopt the printing ink that can only see through second monochromatic light to constitute, can specifically refer to prior art, as the patent publication: CN109243314A, etc., which will not be described in detail.

In this embodiment, the LED light source of the first monochromatic light and the LED light source of the second monochromatic light are preferably a blue LED light source and an orange LED light source, respectively, so that the visual experience is better, but the invention is not limited thereto.

Preferably, in this embodiment, the reflection cover 42 is inserted and fixed on the circuit board 2, and the assembly is simple and easy to implement, but not limited to this, and in other embodiments, other fixing methods such as adhesion and the like may be used for fixing.

Preferably, in this embodiment, the bottom of the rotary encoder 3 is provided with a positioning column 32, the circuit board 2 is provided with a positioning hole 21, and the positioning column 32 is inserted into the positioning hole 21, so as to facilitate alignment and assembly between the rotary encoder 3 and the circuit board 2, and improve stability between the two.

In this embodiment, the offset opening 111 is disposed on the top surface of the housing 1 (using fig. 8 as a reference), the housing 1 includes an upper housing 11 and a lower housing 12, and the upper housing 11 is detachably connected to the lower housing 12 for easy assembly and maintenance, but not limited thereto, and in other embodiments, the housing 1 may be implemented by using other structures.

Specifically, in this embodiment, the bottom opening of the upper casing 11 is provided, the lower casing 12 is a disc-shaped structure, and the lower casing 12 covers the bottom opening of the upper casing 11.

Further, in this embodiment, the positioning column 32 passes through the positioning hole 21 and extends to the lower surface of the circuit board 2, the bottom surface of the positioning column 32 is provided with a fixing groove 321, the fixing groove 321 is formed by the bottom surface of the positioning column 32 sinking upwards, the lower housing 12 is provided with the fixing column 121, and the lower housing 12 is inserted into the fixing groove 321 through the interference of the fixing column 121 and detachably connected with the upper housing 11.

In this embodiment, the number of the positioning columns 32 and the fixing columns 121 is three, and the positioning columns 32 are respectively in one-to-one correspondence, and are uniformly arranged along the circumferential direction, so that the stability is improved. Of course, in other embodiments, the number of the positioning pillars 32 and the fixing pillars 121 may be set according to actual needs, such as 2, 4, and the like.

In this embodiment, the lower housing 12 has a wire outlet 122 for connecting a power line and a communication line.

In this embodiment, the circuit board 2 is provided with a controller, an LED driving circuit, a power circuit, and the like, the controller may be implemented by using an MCU processor, and the LED driving circuit and the power circuit may be implemented by using various existing LED driving circuits and power circuits, which can be easily implemented by those skilled in the art and will not be described in detail.

When the LED digital knob display is used, the LED digital knob display is assembled on a control panel of an electric appliance, after the LED digital knob display is started, the rotary encoder 3 outputs a coding signal to the controller of the circuit board 2 by rotating the rotary outer cover 31, and correspondingly outputs a control signal to the LED driving circuit after the controller of the circuit board 2 judges the rotation direction so as to drive the LED light source of the first monochromatic light or the LED light source of the second monochromatic light to emit light, so that the display panel 41 displays a first pattern to be displayed or a second pattern to be displayed, and meanwhile, the controller outputs the control signal to an external controller, thereby achieving the knob interaction effect.

Furthermore, the utility model discloses a double-colored double display panel, the many and miscellaneous problem of solution UI interface design reduce the area at UI interface, promote user experience.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An LED digital knob display is characterized in that: including casing, circuit board, hollow rotary encoder and display, the display is LED digital display, and the circuit board setting is in the casing, and rotary encoder and display are fixed to be set up on the circuit board and be connected with the circuit board electricity respectively, and the display is located rotary encoder's cavity inside, and the casing is equipped with the opening of stepping down, and rotary encoder's rotatory dustcoat and the display panel of display are located outside the casing through the opening of stepping down.

2. The LED digital rotary knob display according to claim 1, wherein: the display comprises an LED light source, a reflecting cover and a display panel, wherein the LED light source is arranged on the circuit board, the reflecting cover is arranged on the LED light source, and the display panel is arranged on the reflecting cover.

3. The LED digital rotary knob display according to claim 2, wherein: the display panel is provided with a first pattern to be displayed and a second pattern to be displayed at the same display position, the LED light source comprises a first monochromatic LED light source and a second monochromatic LED light source, and when the first monochromatic LED light source is lightened, the display panel displays the first pattern to be displayed; when the LED light source of the second monochromatic light is lightened, the display panel displays a second pattern to be displayed.

4. The LED digital rotary knob display according to claim 3, wherein: the LED light source of the first monochromatic light and the LED light source of the second monochromatic light are respectively a blue LED light source and an orange LED light source.

5. The LED digital rotary knob display according to claim 2, wherein: the reflection cover is inserted and fixed on the circuit board.

6. The LED digital rotary knob display according to claim 1, wherein: the casing is cylindrical structure, and the opening of stepping down sets up the top surface at the casing.

7. The LED digital rotary knob display according to claim 6, wherein: the casing includes upper housing and lower casing, and upper housing and lower casing are detachable to be connected.

8. The LED digital rotary knob display according to claim 7, wherein: the bottom of rotary encoder is equipped with the reference column, and the circuit board is equipped with the locating hole, and the reference column is worn to establish in the locating hole.

9. The LED digital rotary knob display according to claim 8, wherein: the bottom surface of reference column is equipped with the fixed slot, and the casing is equipped with the fixed column down, and the casing is inserted through the fixed column interference and is established in the fixed slot and can dismantle with last casing and be connected down.

10. The LED digital rotary knob display according to claim 7, wherein: the lower shell is provided with a wire outlet hole.