CN211404336U

CN211404336U - Structure for adjusting character brightness and air conditioner controller applying same

Info

Publication number: CN211404336U
Application number: CN201922501155.4U
Authority: CN
Inventors: 臧竞之; 李希平; 郭继坤; 王鑫; 范青云
Original assignee: Hangzhou Guangan Automobile Electric Co ltd
Current assignee: Hangzhou Guangan Automobile Electric Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-01
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to an on-vehicle accessory field especially relates to an adjust air conditioner controller of structure and applied this structure of character luminance. The light source illuminating device comprises a light-transmitting keycap and a plurality of light sources used for irradiating the keycap, wherein the keycap is provided with characters used for a plurality of marks, and the light sources illuminate the characters. The utility model discloses can adjust the luminance of character, provide the same light intensity impression for the driver, eliminate the potential safety hazard.

Description

Structure for adjusting character brightness and air conditioner controller applying same

Technical Field

The utility model relates to an on-vehicle accessory field especially relates to an adjust air conditioner controller of structure and applied this structure of character luminance.

Background

On a vehicle-mounted display such as an air conditioner controller, key characters thereof need to be lighted by an LED lamp mounted on a circuit board, in the traditional scheme, a method of corresponding one key character to one LED lamp is generally adopted, for example, Chinese patent application publication No. CN103050303A, application publication No. 2013.04.17, and the patent name is 'an integrated key mechanism of knob of automobile air-conditioning controller', which discloses an integrated key mechanism of knob of automobile air-conditioning controller, comprising a knob bracket, a knob, a key body, a knob indication point and a key cap, the key body, the knob and the knob indicating point are arranged on the knob bracket, the key cap is arranged on the key body, the key cap also comprises a circuit board, the circuit board is provided with a key cap backlight lamp and a knob indication point backlight lamp, the backlight emitted by the knob indication point backlight lamp is conducted to the knob indication point through a knob support, and the key cap backlight lamp irradiates the key cap through a cavity in the key body.

However, a plurality of characters are arranged on some complex keycaps, a plurality of LEDs are required to be lightened, and due to the fact that the scattering angle of the LEDs is 120 degrees, a part of characters are lightened by 1 LED, and a part of characters are lightened by 2 or more LEDs, so that the light intensity of each character is inconsistent, the vision of a driver is affected, and certain potential safety hazards are brought.

Disclosure of Invention

The utility model provides an adjust the air conditioner controller of structure and applied this structure of character luminance, can adjust the luminance of character, provide the same light intensity impression for the driver, eliminate the potential safety hazard based on the light intensity inconsistent that causes every character on the key cap of complicacy among the prior art, influence driver's vision, it is not enough to have the potential safety hazard.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a structure of regulation character luminance, includes non-light tight key cap and a plurality of light source that is used for shining the key cap, is equipped with the character that is used for a plurality of signs on the key cap, and the character is lighted to the light source, and characterized by, every character is lighted by a light source at least to some characters are lighted by a plurality of light sources, and the more the light source figure of lighting this character, the key cap that the character is located is thicker, so that the light intensity distribution of every character is even. The different printing opacity thickness that the key cap possessed guarantees that the light intensity of every character is unanimous, even light different quantity's LED lamp also can give the light intensity impression that the user is the same, avoids influencing driver's vision because of the discordance of character light intensity.

Preferably, the light source is an LED lamp. The LED light source has the advantages of low-voltage power supply, low energy consumption, strong applicability, high stability, short response time, no pollution to the environment, multicolor luminescence and the like, and is suitable for vehicle-mounted display.

The air conditioner controller is characterized in that the structure for adjusting the brightness of the characters is applied, OFF characters, internal and external circulation characters and air volume characters are sequentially arranged on a key cap from left to right, a left LED lamp is arranged on the rear side of the OFF characters, a right LED lamp is arranged on the rear side of the air volume characters, the left LED lamp lights the air volume characters, the right LED lamp lights the OFF characters, the left LED lamp and the right LED lamp light the internal and external circulation characters together, and the thickness of the key cap at the internal and external circulation characters is larger than that of the key cap at the OFF characters and the air volume characters. Although the inner and outer circulation characters are lighted by the left LED lamp, the right LED lamp and the like together, the thickness of the keycaps at the positions of the inner and outer circulation characters is larger than that of the keycaps at the positions of the OFF characters and the air volume characters, the brightness of the inner and outer circulation characters, the air volume characters and the OFF characters can be controlled to be consistent, and the purpose of giving the same light intensity feeling to a user is achieved.

Preferably, the keycap is in a disc shape, the internal and external circulation characters are positioned in the center of the keycap, and the OFF characters and the air volume characters are symmetrically distributed on the left side and the right side of the internal and external circulation characters. The symmetrical distribution mode is convenient for controlling the uniformity of the light.

Preferably, the lower side of the keycap is provided with a shading cylinder, and the shading cylinder is used for light rays emitted by the left LED lamp and the right LED lamp to pass through. The shading cylinder prevents light scattering, improves light availability factor.

Preferably, the shading cylinder comprises a plurality of step cylinders, the diameter of each step cylinder is reduced from top to bottom in sequence, and the keycap covers the uppermost step cylinder. Materials required by the shading cylinder are saved, and the step cylinder with variable diameters can play a role in controlling light.

Preferably, the left LED lamp and the right LED lamp are both incident at the edge of the lowermost step cylinder, and the OFF characters and the air volume characters are positioned on the outer side of the lowermost step cylinder. The direct light of the left LED lamp does not light the OFF character, but the oblique light lights the air volume character, and similarly, the direct light of the right LED lamp does not light the air volume character, but the oblique light lights the OFF character, and the cross light between the left LED lamp and the right LED lamp lights the internal and external circulation characters together.

The utility model has the advantages that: the different printing opacity thickness that the key cap possessed guarantees that the light intensity of every character is unanimous, even light different quantity's LED lamp also can give the light intensity impression that the user is the same, avoids influencing driver's vision because of the discordance of character light intensity, eliminates driving potential safety hazard.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view a-a of fig. 1.

Reference numerals: a key cap 1, an OFF character 11, an internal and external circulation character 12, an air volume character 13, a left LED lamp 21, a right LED lamp 22 and a shading cylinder 3.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The structure for adjusting the brightness of characters and the air conditioner controller according to the embodiments of the present invention will be described with reference to the accompanying drawings,

the utility model provides a structure of regulation character luminance, includes non-light tight key cap and a plurality of light source that is used for shining the key cap, is equipped with the character that is used for a plurality of signs on the key cap, and the character is lighted to the light source, and characterized by, every character is lighted by a light source at least to some characters are lighted by a plurality of light sources, and the more the light source figure of lighting this character, the key cap that the character is located is thicker, so that the light intensity distribution of every character is even. The light source adopts the LED lamp, and the LED light source has the advantages of using the low voltage power, consuming little energy, the suitability is strong, stability is high, response time is short, no pollution to the environment, multicolor luminescence and the like, and is suitable for being used on vehicle-mounted display, and the light intensity of each character is ensured to be consistent even the LED lamps with different numbers are lighted, so that the same light intensity feeling can be provided for the user, and the influence on the vision of the driver caused by the inconsistency of the light intensity of the characters is avoided.

As shown in figures 1 and 2 of the drawings,

the air conditioner controller with the structure is characterized in that the structure for adjusting the brightness of the characters is applied, OFF characters 11, internal and external circulation characters 12 and air volume characters 13 are sequentially arranged on a key cap 1 from left to right, a left LED lamp 21 is arranged on the rear side of the OFF characters, a right LED lamp 22 is arranged on the rear side of the air volume characters, the left LED lamps light the air volume characters, the right LED lamps light the OFF characters, the left LED lamps and the right LED lamps light the internal and external circulation characters together, and the thickness of the key cap at the internal and external circulation characters is larger than that at the OFF characters and the air volume characters. Although the inner and outer circulation characters are lighted by the left LED lamp, the right LED lamp and the like together, the thickness of the keycaps at the positions of the inner and outer circulation characters is larger than that of the keycaps at the positions of the OFF characters and the air volume characters, the brightness of the inner and outer circulation characters, the air volume characters and the OFF characters can be controlled to be consistent, and the purpose of giving the same light intensity feeling to a user is achieved.

The keycap is disc-shaped, the internal and external circulation characters are positioned in the center of the keycap, the OFF characters and the air volume characters are symmetrically distributed on the left side and the right side of the internal and external circulation characters, and the brightness uniformity is conveniently controlled by the symmetrical distribution mode.

The downside of key cap is equipped with a shading section of thick bamboo 3, and a shading section of thick bamboo is used for the light that left LED lamp and right LED lamp sent to pass through, and a shading section of thick bamboo prevents the light scattering, improves light availability factor. The shading cylinder comprises a plurality of ladder cylinders, the diameter of each ladder cylinder is reduced from top to bottom in sequence, the keycap covers the uppermost ladder cylinder, materials required by the shading cylinder are saved, and the ladder cylinders with variable diameters can play a role in controlling light.

The left LED lamp and the right LED lamp are both incident at the edge of the lowermost stepped cylinder, and the OFF characters and the air volume characters are located on the outer side of the lowermost stepped cylinder. The direct light of the left LED lamp does not light the OFF character, but the oblique light lights the air volume character, and similarly, the direct light of the right LED lamp does not light the air volume character, but the oblique light lights the OFF character, and the cross light between the left LED lamp and the right LED lamp lights the internal and external circulation characters together.

The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides a structure of regulation character luminance, includes non-light tight key cap and a plurality of light source that is used for shining the key cap, is equipped with the character that is used for a plurality of signs on the key cap, and the character is lighted to the light source, and characterized by, every character is lighted by a light source at least to some characters are lighted by a plurality of light sources, and the more the light source figure of lighting this character, the key cap that the character is located is thicker, so that the light intensity distribution of every character is even.

2. The structure for adjusting the brightness of a character according to claim 1, wherein the light source is an LED lamp.

3. An air conditioner controller comprises the structure for adjusting the brightness of characters as claimed in claim 1 or 2, and is characterized in that OFF characters, internal and external circulation characters and air volume characters are sequentially arranged on the key caps from left to right, a left LED lamp is arranged on the rear side of the OFF characters, a right LED lamp is arranged on the rear side of the air volume characters, the left LED lamp lights the air volume characters, the right LED lamp lights the OFF characters, the left LED lamp and the right LED lamp light the internal and external circulation characters together, and the thickness of the key caps at the internal and external circulation characters is larger than that at the OFF characters and the air volume characters.

4. The air conditioner controller as claimed in claim 3, wherein the key cap is disc-shaped, the inner and outer circulation characters are located at the center of the key cap, and the OFF characters and the air volume characters are symmetrically distributed on the left and right sides of the inner and outer circulation characters.

5. The air conditioner controller as claimed in claim 4, wherein a light shielding tube is provided on the underside of the key cap, and the light shielding tube is used for passing light emitted from the left LED lamp and the right LED lamp.

6. The controller according to claim 5, wherein the shade tube comprises a plurality of stepped tubes, each of which has a diameter decreasing from top to bottom, and the key cap is disposed on the uppermost stepped tube.

7. The air conditioner controller as claimed in claim 6, wherein the left LED lamp and the right LED lamp are both incident at the edge of the lowermost step cylinder, and the OFF character and the air volume character are located outside the lowermost step cylinder.