CN210165526U

CN210165526U - Infrared receiver and humidifier

Info

Publication number: CN210165526U
Application number: CN201920981740.6U
Authority: CN
Inventors: 李一峰; 梁梓涛; 梁海权
Original assignee: Bear Electrical Appliance Co Ltd
Current assignee: Bear Electrical Appliance Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-03-20
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses an infrared receiver and humidifier. The infrared receiver comprises a circuit board, an infrared receiving circuit and an indicator light are arranged on the circuit board, and the infrared receiving circuit comprises an infrared receiving probe; the infrared receiver also comprises a lighttight lampshade and a light guide part for providing a light scattering function, the first tail end of the lampshade covers the circuit board, a light isolating plate for dividing the space in the lampshade into a first interval and a second interval is arranged in the lampshade, and the infrared receiving probe and the indicator light are respectively positioned in the first interval and the second interval; the light guide part is arranged at the second tail end of the lampshade. The utility model discloses simple structure is favorable to improving infrared remote control's effective range and can not influence the whole outward appearance of humidifier through the light guide part that sets up to have the astigmatism function on infrared receiver.

Description

Infrared receiver and humidifier

Technical Field

The utility model relates to a domestic appliance especially relates to an infrared receiver to and humidifier that has infrared receiver.

Background

The infrared remote control is a wireless and non-contact control technology, has the obvious advantages of strong anti-interference capability, reliable information transmission, low power consumption, low cost, easy realization and the like, and is widely applied in the fields of industrial control, aerospace and household appliances at present.

Fig. 1 is a schematic structural diagram of a humidifier using an infrared remote control technology in the prior art, the humidifier includes a base 1 and a water tank 2 disposed on the base 1, an infrared receiving circuit is disposed in the base 1, a remote control window 12 is disposed on a housing 11 of the base 1, an infrared remote control signal emitted by a remote controller is received by an infrared receiving probe of the infrared receiving circuit through the remote control window 12, and a remote control range in which the infrared receiving probe can receive the infrared remote control signal is limited by the size of the remote control window 12. The prior art humidifier has the following defects: if the size of the remote control window 12 on the housing 11 is small, the remote control window 12 will not affect the overall shape of the housing 11, but will result in a small remote control range and inconvenience for the user; if the size of the remote control window 12 on the housing 11 is set to be larger to satisfy the remote control range, the remote control window 12 with a larger size is more prominent on the housing 11, the material cost is high, the assembly is difficult, and the visual focus of the user is easily attracted, thereby affecting the overall appearance and beauty of the product.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an infrared receiver can receive infrared light remote control signal in great scope, just infrared receiver can not influence the whole outward appearance aesthetic property of domestic appliance product again when using on the domestic appliance product, can also make the assembly convenient.

The utility model discloses still provide a humidifier with infrared receiver, whole appearance is pleasing to the eye, the assembly is convenient.

The utility model provides an infrared receiver, which comprises a circuit board, wherein the circuit board is provided with an infrared receiving circuit and an indicator light, and the infrared receiving circuit comprises an infrared receiving probe; the infrared receiver also comprises a lighttight lampshade and a light guide part for providing a light scattering function, the first tail end of the lampshade covers the circuit board, a light isolating plate for dividing the space in the lampshade into a first interval and a second interval is arranged in the lampshade, and the infrared receiving probe and the indicator light are respectively positioned in the first interval and the second interval; the light guide part is arranged at the second tail end of the lampshade.

In one embodiment, the infrared receiver further comprises a light-impermeable panel, the light guide part has a through hole in the center thereof, and the panel is disposed in the through hole.

In one embodiment, the light guide portion includes a light guide body and an outer skirt extending from an outer side wall of the light guide body, an inner side wall of the second end of the lampshade is provided with a limiting step portion, and the outer skirt is limited and disposed on the limiting step portion.

In one embodiment, the light guide part further includes an inner skirt extending from the inner side wall of the light guide body, and the panel is detachably disposed on the inner skirt in a limited manner.

In one embodiment, the volume of the first interval is smaller than the volume of the second interval.

In one embodiment, the light guide part is provided with a light diffusion surface opposite to the inner side surface of the circuit board, and the light diffusion surface is provided with a plurality of light diffusion beads or/and light diffusion prisms.

In one embodiment, the lampshade is of a cylindrical structure, the light guide part is of an annular structure, and the light guide part is clamped at the end part of the lampshade.

In one embodiment, the indicator light is located in a middle region of the lamp shade, the infrared receiving probe is located in an edge region of the lamp shade, and the infrared receiving probe is arranged opposite to the light guide portion.

In one embodiment, the circuit board further comprises a processor for controlling the indicator lamp to emit corresponding light according to a remote control signal received by the infrared receiving probe, the output end of the infrared receiving circuit is electrically connected with one of the data sampling ports of the processor, the indicator lamp is electrically connected with the power supply through a controllable switch, and the control end of the controllable switch is electrically connected with one of the control ports of the processor.

The utility model also discloses a humidifier, which comprises a humidifier body for generating water mist and a remote controller, and is characterized in that the humidifier body is internally provided with the infrared receiver; the humidifier body at least comprises a base, a water tank arranged on the base and an atomizer used for atomizing water in the water tank, the base is provided with a shell, the shell is provided with a mounting hole, the infrared receiver is fixed in the shell, and the light guide part is exposed out of the mounting hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses simple structure, adopt modularized design and whole small in size, through the light guide part that sets up the astigmatism function on infrared receiver, light guide part can carry out the scattering to the light that the pilot lamp sent on the one hand and send, on the other hand light guide part carries out astigmatism to the infrared remote control signal that the remote controller sent and handles the back refraction and pass to infrared receiving probe, ensure that the infrared remote control signal that the remote controller sent from each angle or long distance is handled the back homoenergetic and is received by infrared receiving probe through the astigmatism of light guide part, thereby improve infrared remote control's effective range. In addition, when infrared receiver is used for the humidifier, light guide portion and panel expose, and light guide portion, panel and the base shell of humidifier thoroughly combine together and form the whole surface of level and smooth or unanimous radian, reduce the edges and corners structure of humidifier surface, be difficult for the fish tail hand when guaranteeing that the user grasps, and can guarantee that whole appearance is very pleasing to the eye.

Drawings

Fig. 1 is a schematic structural diagram of a humidifier using infrared remote control technology in the prior art.

Fig. 2 is a schematic perspective view of the humidifier of the present invention.

Fig. 3 is a schematic view of the internal structure of the humidifier of the present invention.

Fig. 4 is a partially enlarged schematic view of fig. 3.

Fig. 5 is an exploded view of the infrared receiver.

Fig. 6 is a schematic structural view of another embodiment of the light guide part.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The utility model discloses an infrared receiver, infrared remote controller can receive infrared remote control signal in great scope, just infrared remote controller can not influence the whole outward appearance aesthetic property of domestic appliance product again when using on domestic appliance product.

The structural features of the infrared receiver will be described in detail by taking one of the existing humidifiers as an example. As shown in fig. 2 to 5, the humidifier includes a humidifier body for generating water mist and a remote controller (not shown). Humidifier body includes base 1 at least and establishes water tank 2 on the base 1, the up end of base 1 is equipped with the atomizer 13 that is used for carrying out atomization treatment with the water in the water tank 2, base 1 has shell 11 be equipped with in the shell 11 infrared receiver. The remote controller is matched with the infrared receiver for use.

As shown in particular in connection with fig. 4 and 5, the infrared receiver comprises in particular a circuit board 3, a light-tight globe 4, a light-guiding portion 5 providing a light-diffusing function, and a light-tight panel 6; the circuit board 3 is provided with an infrared receiving circuit and an indicator lamp 32, and the infrared receiving circuit comprises an infrared receiving probe 31; the first tail end of the lampshade 4 is covered on the circuit board 3, a light-insulating plate 41 is arranged in the lampshade 4, the light-insulating plate 41 divides the space in the lampshade 4 into a first interval 401 and a second interval 402, the infrared receiving probe 31 and the indicator lamp 32 are respectively positioned in the first interval 401 and the second interval 402, and the interference of light rays emitted by the indicator lamp 32 on the infrared receiving probe 31 is reduced as much as possible through the light-insulating plate 41; the light guide part 5 is arranged at the second end of the lampshade 4, and a through hole 501 is formed in the center of the light guide part 5; the panel 6 is disposed in the through hole 501.

The infrared receiving circuit is matched with a remote controller for transmitting infrared remote control signals. The infrared receiving circuit with the remote controller all is prior art, the utility model discloses do not do the detailed explanation that expandes.

The light guide part 5 has an astigmatism function, after an infrared remote control signal emitted by the remote controller is emitted from any angle of the light guide part 5, the light guide part 5 performs astigmatism processing on the infrared remote control signal, so that the infrared remote control signal is diverged towards all directions in the light guide part 5, the infrared remote control signal is facilitated to pass through the light guide part 5 and then enter the lampshade 4, and the infrared receiving probe 31 can receive the infrared remote control signal; the light guide unit 5 enters the light guide unit 5 with the light emitted from the indicator lamp 32, and then is diffused in various directions by the light guide unit 5 to be emitted out of the light guide unit 5, thereby providing the light guide unit 5 with a light display.

In addition, the light emitted by the indicator light 32 is visible light, and the quantity of infrared rays is very small; additionally, the utility model discloses a it will to separate the worn-out fur 41 after the space separation in the lamp shade 4, reduce from the at utmost the light that the pilot lamp 32 sent is right infrared receiving probe 31's interference, consequently, pilot lamp 32 can hardly be right infrared receiving probe 31 produces the interference, thereby infrared receiver's reliability is higher.

Preferably, the indicator light 32 is located in a middle region of the lamp shade 4, the infrared receiving probe 31 is located in an edge region of the lamp shade 4, and the infrared receiving probe 31 is disposed opposite to the light guide part 5. In addition, the volume of the first section 401 is smaller than the volume of the second section 402, which not only reduces the influence on the ir receiving probe 31 caused by the light emitted from the indicator light 32 entering the first section 401 after being scattered and refracted by the light guide part 5, but also ensures that the indicator light 32 can be refracted and enter the light guide part 5 to the maximum extent so that the light guide part 5 can present a better light effect to the maximum extent.

Furthermore, in order to improve the light diffusion capability of the light guide part 5, in one embodiment, the light guide part 5 is made of a transparent substrate doped with a light diffusing agent, and the light diffusing function for light rays is provided in the transparent substrate by the light diffusing agent; in another embodiment, as shown in fig. 6, the light guide part 5 is provided with a light scattering surface opposite to the inner side surface of the circuit board 3, the light scattering surface is provided with a plurality of light scattering beads or/and light scattering prisms 53, and light scattering function is provided for light through the light scattering beads or/and the light scattering prisms 53.

Specifically, the light-diffusing surface is composed of a plurality of uneven surfaces, so that the light can be refracted and/or reflected when passing through the light-guiding part, and the route of the light is changed finally; for the indicator light 32, the emitted light can be emitted to a plurality of angles through the light scattering surface, and the brightness is more uniform, so that the indicating effect of the indicator light 32 is better. For the infrared receiving probe 31, the infrared rays emitted from the outside can be refracted and/or reflected within the light guide part 5, so as to be finally received by the infrared receiving probe 31, thereby improving the receiving efficiency.

The light guide portion 5 may have any shape such as a circle, a triangle, or a quadrangle, and the through hole 501 may have any shape such as a circle, a triangle, or a quadrangle. In one embodiment, the light guide part 5 is circular, and the through hole 501 is a circular hole, so that the overall shape of the light guide part 5 is circular.

In one embodiment, the lampshade 4 has a cylindrical structure, the light guide part 5 has an annular structure, and the light guide part 5 is clamped at an end of the lampshade 4. Specifically, as shown in fig. 5, the light guide part 5 includes a light guide body 50, and an inner skirt 51 and an outer skirt 52 that extend from an inner sidewall and an outer sidewall of the light guide body 50, respectively, a limiting step portion 42 is disposed on an inner sidewall of the second end of the lampshade 4, the outer skirt 52 of the light guide part 5 is limited and disposed on the limiting step portion 42, and the panel 6 is limited and disposed on the inner skirt 51.

In one embodiment, the panel 6 is provided with a snap 61 at a periphery thereof, the inner skirt 51 is provided with a snap hole 511, and the panel 6 is detachably connected to the light guide part 5 by the snap 61 being snapped in the snap hole 511.

Again as shown in connection with figures 3 and 4. The housing 11 is provided with a mounting hole, and the size of the mounting hole is larger than the size of the light guide body 50 but smaller than the size of the outer skirt 52; the infrared receiver is mounted in the housing 11 of the base 1, the light guide body 50 is located in the mounting hole, and the outer skirt 52 abuts against the inner side wall of the housing 11, so that the light guide portion 5 can be limited at the second end of the lampshade 4 by the housing 11 only by fixing the circuit board 3 in the housing 11.

The outer surface of the light guide body 50 is flush with the outer surface of the outer shell 11, or the outer surface of the light guide body 50 is slightly higher than the outer surface of the outer shell 11; the outer surface of the panel 6 is lower than the outer surface of the light guide body 50, or the outer surface of the panel 6 is flush with the outer surface of the light guide body 50. For example, the outer surface of the panel 6 is flush with the outer side surface of the housing 11 and is integrated with the outer surface of the light guide body 50, the outer surface of the light guide body 50 is slightly higher than the outer surface of the housing 11, so as to form a structure in which the light guide body 50 is higher than the housing 11, and in this structure, the light guide body 50 is partially exposed out of the housing 11, so that the infrared remote control signal can be conveniently incident on the light guide body 50, and the overall appearance is american. For another example, the outer surfaces of the panel 6, the light guide body 50 and the housing 11 are flush, so that the panel 6, the light guide body 50 and the housing 11 are thoroughly integrated into a whole to form a flat or uniform radian integral outer surface, and the integral appearance is very beautiful.

Furthermore, the circuit board 3 further has a processor (for example, the processor is implemented by a single chip microcomputer) for controlling the indicator lamp 32 to emit corresponding light according to the remote control signal received by the infrared receiving probe 31, the output end of the infrared receiving circuit is electrically connected to one of the data sampling ports of the processor, the indicator lamp 32 is connected to the power supply, the indicator lamp 32 is connected to a controllable switch in series, the control end of the controllable switch is electrically connected to one of the control ports of the processor, and one of the control ports of the processor outputs a corresponding control signal according to the remote control signal received by the infrared receiving probe 31 to change the light brightness or light color of the indicator lamp 32.

It is common knowledge to use different control signals to change the brightness or color of the indicator light 32. For example, the controllable switch is an MOS transistor, the indicator 32 is connected to a collector of the MOS transistor, an emitter of the MOS transistor is grounded, a gate of the MOS transistor is connected to a PWM port of the processor, and the PWM port of the processor outputs PWM signals of different duty ratios according to the remote control signal received by the infrared receiving probe 31 to change the light brightness or the light color of the indicator 32 (where, when the indicator 32 is a monochrome LED lamp, the PWM signals of different duty ratios may change the brightness of the indicator 32, and when the indicator 32 is an RGB three-color LED lamp, the PWM signals of different duty ratios determine the difference in brightness of the RGB three-color LED lamp to realize the change of the overall color).

For example, in a practical application, the indicator light 32 is an RGB three-color LED light, and the user adjusts the humidification position of the humidifier through the remote controller: when the remote controller sets the humidifier to be a first humidification gear, the indicator lamp 32 emits red light; when the remote controller sets the humidifier to be a second humidification gear, the indicator lamp 32 emits blue light; when the remote controller sets the humidifier to a third humidification gear, the indicator light 32 emits green light.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An infrared receiver comprises a circuit board, wherein an infrared receiving circuit and an indicator lamp are arranged on the circuit board, and the infrared receiving circuit comprises an infrared receiving probe; the infrared receiver is characterized by further comprising a lightproof lampshade and a light guide part providing a light scattering function, wherein the first tail end of the lampshade covers the circuit board, a light isolating plate for dividing the space in the lampshade into a first interval and a second interval is arranged in the lampshade, and the infrared receiving probe and the indicator light are respectively positioned in the first interval and the second interval; the light guide part is arranged at the second tail end of the lampshade.

2. The infrared receiver of claim 1, further comprising a light-opaque panel, wherein the light guide portion has a through hole in the center thereof, and wherein the panel is disposed in the through hole.

3. The infrared receiver of claim 2, wherein the light guide portion comprises a light guide body and an outer skirt extending from an outer sidewall of the light guide body, an inner sidewall of the second end of the lampshade is provided with a limiting step portion, and the outer skirt is limited and disposed on the limiting step portion.

4. The infrared receiver of claim 3, wherein the light guide portion further comprises an inner skirt extending from the inner sidewall of the light guide body, and the panel is removably retained on the inner skirt.

5. The infrared receiver of claim 1, wherein the volume of the first interval is less than the volume of the second interval.

6. The infrared receiver as set forth in claim 1, wherein the light guide portion is provided with a light diffusing surface on an inner side surface opposite to the circuit board, and the light diffusing surface has a plurality of light diffusing beads or/and light diffusing prisms.

7. The infrared receiver as set forth in any one of claims 1 to 6, wherein the lamp housing has a cylindrical structure, the light guide portion has an annular structure, and the light guide portion is engaged with an end portion of the lamp housing.

8. The infrared receiver as set forth in any one of claims 1 to 6, wherein the indicator lamp is located in a central region of the lamp cover, the infrared receiving probe is located in a rim region of the lamp cover, and the infrared receiving probe is disposed opposite to the light guide portion.

9. The infrared receiver as set forth in any one of claims 1 to 6, wherein the circuit board further comprises a processor for controlling the indicator lamp to emit corresponding light according to a remote control signal received by the infrared receiving probe, an output terminal of the infrared receiving circuit is electrically connected to one of the data sampling ports of the processor, the indicator lamp is electrically connected to the power supply through a controllable switch, and a control terminal of the controllable switch is electrically connected to one of the control ports of the processor.

10. A humidifier comprising a humidifier body for generating water mist and a remote controller, wherein the humidifier body is provided with an infrared receiver according to any one of claims 1-9;

the humidifier body at least comprises a base, a water tank arranged on the base and an atomizer used for atomizing water in the water tank, the base is provided with a shell, the shell is provided with a mounting hole, the infrared receiver is fixed in the shell, and the light guide part is exposed out of the mounting hole.