CN219675282U - Anti-interference light sensor structure and air conditioner - Google Patents
Anti-interference light sensor structure and air conditioner Download PDFInfo
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- CN219675282U CN219675282U CN202320857629.2U CN202320857629U CN219675282U CN 219675282 U CN219675282 U CN 219675282U CN 202320857629 U CN202320857629 U CN 202320857629U CN 219675282 U CN219675282 U CN 219675282U
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- circuit board
- stepped groove
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- 230000000694 effects Effects 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000007704 transition Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides an anti-interference light sensor structure, which comprises: the light sensor is fixedly arranged on the circuit board, the outer cover is arranged on one surface of the circuit board, the outer cover is close to one surface of the light sensor, a stepped groove is formed in one surface of the outer cover, which is close to the light sensor, the light sensor is arranged in the stepped groove, and the inner diameter of the stepped groove is gradually reduced along the thickness direction of the outer cover towards the direction away from the circuit board. The utility model solves the problems of complex anti-light interference structure and unstable structure, and generates the effects of reducing the interference of internal light-emitting electronic components by arranging the stepped groove and blocking part of reflected light, improving the judgment precision of the light sensor and prolonging the service life of the light sensor. The step groove has a simple structure, ensures the stability of the structure and the form through the step transition form, and improves the qualification rate of production, thereby reducing the production cost effect.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to an anti-interference light sensor structure and an air conditioner.
Background
With the rise of living standard, the demands for home appliances become diversified. At present, a light sensor is installed on a part of the air conditioner, ambient light is collected through the light sensor, then corresponding functions of the air conditioner are adjusted according to the ambient light, for example, when the light weakens at night, the brightness of an air conditioner display is adjusted, the current environment is adapted, and the use experience of a user is improved. In general, light emitting devices such as LEDs are arranged in an air conditioner, and when the air conditioner is connected, in order to save installation space, the light emitting devices and a light sensor are usually installed on the same circuit board, and light emitted by the light emitting devices during operation can influence the light sensor to collect ambient light sources.
Patent CN217403469U discloses an effective anti-interference optical detection sensor, which prevents the interference of external light to a sensor chip by arranging a protective cover, and cleans the protective cover by arranging components such as a screw rod, a sliding groove, a sponge and the like. An anti-interference light sensor structure which can reduce interference of surrounding light sources and has a simple structure and is suitable for production is lacking.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a structure of an anti-interference light sensor, which solves the problems of complex anti-light interference structure and unstable structure in the prior art.
In one aspect, the present utility model provides an anti-interference optical sensor structure, including: the light sensor is fixedly arranged on the circuit board, the outer cover is arranged on one surface of the circuit board, the outer cover is close to one surface of the light sensor, a stepped groove is formed in one surface of the outer cover, which is close to the light sensor, the light sensor is arranged in the stepped groove, and the inner diameter of the stepped groove is gradually reduced along the thickness direction of the outer cover towards the direction away from the circuit board.
Further, the step groove is provided with at least two steps.
Further, the side wall of each step is inclined.
Further, each layer of the step side wall and the outer cover are close to the included angle A of one side of the circuit board, and the included angle A meets the following conditions: and the included angle A is smaller than 90-B, wherein B is the total reflection critical angle of the material of the outer cover relative to air.
Further, the structure of the light sensor further comprises a shading pad, and the shading pad is sleeved on the light sensor.
Further, the light shielding pad is made of an opaque material.
Further, the housing is made of a light-transmitting material.
In another aspect, the present utility model provides an air conditioner provided with the above-mentioned anti-interference light sensor structure.
Compared with the prior art, the utility model has the following beneficial effects: the stepped groove is formed to block part of reflected light, and the interference of internal light-emitting electronic components is reduced by reducing part of reflected light, so that the judgment precision of the light sensor is improved, and the service life of the light sensor is prolonged. The stepped groove has a simple structure, ensures the stability of the structure and the form through the step transition form, and improves the qualification rate of production, thereby reducing the production cost.
Drawings
Fig. 1 is a schematic diagram of an explosive structure according to the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
Fig. 3 is an enlarged schematic view of a stepped groove portion of the present utility model.
In the above figures: 1. an outer cover; 101. a stepped groove; 102. a step; 103. an inclined plane; 2. a light shielding pad; 3. and a light sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In a first aspect, the present utility model provides an air conditioner provided with the structure of the anti-interference light sensor described below. The current high-end air conditioner has the function of regulating and controlling the display or the mode of the air conditioner according to the ambient light source, but because other luminous components, such as LEDs and the like, are also arranged in the air conditioner, the light sources can influence the judgment of the light sensor, so that the structure of the anti-interference light sensor is arranged, the influence caused by other light sources is reduced, the use experience of a user is improved, and the structure of the anti-interference light sensor provided by the utility model is also provided.
Fig. 1 is a schematic diagram of an explosion structure of the present utility model, as shown in fig. 1, a structure of an anti-interference light sensor includes: the light sensor is fixedly arranged on the circuit board, the outer cover is arranged on one surface of the circuit board, the outer cover is close to one surface of the light sensor, a stepped groove is formed in one surface of the outer cover, which is close to the light sensor, the light sensor is arranged in the stepped groove, and the inner diameter of the stepped groove is gradually reduced along the thickness direction of the outer cover towards the direction away from the circuit board.
In this scheme, because light sensor fixed connection is on the circuit board, still is connected with other electronic components on the circuit board, and wherein some electronic components have the light emitting source, although the light source of these electronic components is very weak, but the inside darker environment of air conditioner, especially when at night, external light source weakens, the inside of air conditioner can be darker, even weaker light source also can cause the influence to light sensor's precision this moment. In order to reduce the influence of the light source in the air conditioner on the light sensor, an outer cover is arranged on the top of a receiving surface of the light sensor, a stepped groove is formed in the outer cover, the receiving surface of the light sensor faces to the bottom of the stepped groove, one surface of the outer cover, which is provided with the stepped groove, faces to the circuit board, and the surface, which is not provided with the stepped groove, of the outer cover faces to the outdoor environment which is required to be sensed by the light sensor. When light of the luminous element inside propagates to the outer cover, the light is divided into refractive light and reflective light, wherein the refractive light passes through the outer cover, the receiving precision of the light sensor is not affected, the reflective light easily reaches the receiving surface of the light sensor through reflection, and therefore the judging precision of the light sensor is affected, the stepped groove is formed, the inner diameter of the stepped groove is increased along the thickness of the outer cover in the direction close to the circuit board in a stepped mode, the light sensor is arranged in the stepped groove, the partially reflective light cannot reach the receiving surface of the light sensor, the light is blocked by one layer of steps formed by the stepped groove, the strength of the outer cover structure is reduced due to the fact that the grooves are formed in the outer cover, the stepped groove is formed in a gradient mode, the structural strength of the outer cover is more easily ensured in the production process, the stability of the whole shape and size is ensured, and the qualification rate is improved.
Further, the step groove is provided with at least two steps.
As shown in fig. 2, fig. 2 is a schematic cross-sectional structure of the present utility model. In this scheme, in order to guarantee the effect in step groove, further promote the stability of the anti-interference effect in step groove and dustcoat structure, two ladders have been seted up to the step groove at least, and the preferential three of seting up, and three ladder not only can not increase the processing degree of difficulty, still can guarantee the stability of technology and the structural strength of dustcoat in the at utmost.
Further, the side wall of each step is inclined.
As shown in fig. 3, fig. 3 is an enlarged view of the stepped groove of the present utility model. In this scheme, the lateral wall of ladder is inclination with the one side of ladder groove is offered to the dustcoat to the lateral wall of ladder is the acute angle with the bottom surface of ladder, and the lateral wall of slope is convenient for process more, reduces machining precision, and the degree of interference killing feature in ladder groove also can be promoted to the angle of slope simultaneously.
Further, each layer of the step side wall and the outer cover are close to the included angle A of one side of the circuit board, and the included angle A meets the following conditions: and the included angle A is smaller than 90-B, wherein B is the total reflection critical angle of the material of the outer cover relative to air.
As shown in fig. 3, fig. 3 is an enlarged view of the stepped groove of the present utility model. In this scheme, according to the difference of dustcoat material, offer different contained angle A, guarantee the best anti-interference effect. Wherein, B is calculated by the following formula:wherein n is 2 Is the refractive index of the medium of lower density, n in this scheme 2 Calculation using refractive index of air, n 1 Is the refractive index of the medium of higher density, n in this scheme 1 The refractive index of the housing was used for calculation. Calculating B according to the refractive index of the material of the outer cover, and then meeting the included angle A<90-B. The lateral wall of every layer ladder of ladder groove is A with the contained angle that the dustcoat is close to the one side of circuit board utilizes the total reflection principle, reduces the light of partial reflection, makes the light of inside other luminous source devices pass through refraction and spread the dustcoat, reduces the light intensity that can reach light sensor receiver surface, promotes light sensor's accuracy.
Further, the structure of the light sensor further comprises a shading pad, and the shading pad is sleeved on the light sensor.
Fig. 1 is a schematic diagram of an explosion structure of the present utility model, as shown in fig. 1, in this embodiment, a light shielding pad is sleeved on four sides of a light sensor, and the light shielding pad can prevent surrounding light sources from propagating in air, so as to further improve the judgment accuracy of the light sensor.
Further, the light shielding pad is made of an opaque material.
In this scheme, the shading pad adopts opaque material, prefers to adopt opaque rubber, both can protect the structure of light sensor, can also the furthest absorption light, reduces the interference of other components and parts.
Further, the housing is made of a light-transmitting material.
In the scheme, the outer cover is made of a light-transmitting material, and is preferably made of a PC material, so that the light sensor can conveniently receive the light intensity of the surrounding environment through the outer cover.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (8)
1. An anti-interference light sensor structure, comprising: the light sensor is fixedly arranged on the circuit board, the outer cover is arranged on one surface of the circuit board, the outer cover is close to one surface of the light sensor, a stepped groove is formed in one surface of the outer cover, which is close to the light sensor, the light sensor is arranged in the stepped groove, and the inner diameter of the stepped groove is gradually reduced along the thickness direction of the outer cover towards the direction away from the circuit board.
2. The tamper resistant optical sensor structure of claim 1, wherein said stepped slot is provided with at least two steps.
3. The tamper resistant optical sensor structure of claim 2, wherein the sidewall of each of said steps is beveled.
4. The structure of claim 3, wherein the included angle between each layer of the step side wall and the side of the outer cover, which is close to the circuit board, is a, and the included angle a satisfies: and the included angle A is smaller than 90-B, wherein B is the total reflection critical angle of the material of the outer cover relative to air.
5. The tamper resistant optical line sensor of claim 1 further comprising a light shielding pad, said light shielding pad being disposed over said optical line sensor.
6. The tamper resistant light sensor structure of claim 5, wherein the light shielding mat is made of an opaque material.
7. The tamper resistant optical sensor structure of claim 1, wherein said housing is made of a light transmissive material.
8. An air conditioner characterized in that the air conditioner is provided with the structure of the anti-interference light sensor as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320857629.2U CN219675282U (en) | 2023-04-17 | 2023-04-17 | Anti-interference light sensor structure and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320857629.2U CN219675282U (en) | 2023-04-17 | 2023-04-17 | Anti-interference light sensor structure and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219675282U true CN219675282U (en) | 2023-09-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320857629.2U Active CN219675282U (en) | 2023-04-17 | 2023-04-17 | Anti-interference light sensor structure and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219675282U (en) |
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2023
- 2023-04-17 CN CN202320857629.2U patent/CN219675282U/en active Active
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