CN210266880U

CN210266880U - LED lighting device with adjustable brightness

Info

Publication number: CN210266880U
Application number: CN201921286243.0U
Authority: CN
Inventors: 金晶; 邵昕宇; 刘吟春
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-07
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a luminance adjustable LED lighting device has solved the not enough condition of light in the indoor wardrobe, and its technical scheme main points are equipped with lighting fixture and lighting device, are equipped with articulated fly leaf and joint bearing in the lighting fixture, are equipped with the transmission module for sensing light in the lighting device, have reached lighting device and can throw light on to different angles in the wardrobe, and LED lamp luminance can adjust through external light power.

Description

LED lighting device with adjustable brightness

Technical Field

The utility model relates to a LED light technical field, more specifically say, it relates to a luminance adjustable LED lighting device.

Background

An LED lamp is a kind of semiconductor diode that can convert electric energy into light energy, and can radiate visible light when electrons and holes are combined, so that it can be used to make a light emitting diode. In circuits and instruments as indicator lights or to form text or numerical displays.

At present, publication No. CN 204906813 discloses a brightness-adjustable LED lamp control system, which includes LED lamp units, a console and a position sensing unit, and receives sensing signals of the position sensing unit through the console, and sends control signals to each LED lamp unit.

SUMMERY OF THE UTILITY MODEL

The LED lighting device comprises a light source, a light source and a control circuit.

In order to achieve the purpose, the utility model provides a luminance adjustable LED lighting device, which comprises a wardrobe, a lamp bracket and a lighting device, wherein the lamp bracket comprises a fixed plate and a movable plate, the fixed plate is hinged and fixed with the movable plate, the fixed plate comprises a first upper top surface and a first lower top surface, the first upper top surface is provided with an adhesive and is fixedly connected with the inner top surface of the wardrobe at the adhesive position, the movable plate comprises a second upper top surface and a second lower top surface, an opening space is formed between the first lower top surface and the second upper top surface, the opening faces the inner part of the wardrobe, the second lower top surface is provided with a handle, the second upper top surface is provided with a joint bearing, the joint bearing comprises a bearing sleeve and a roller, one end of the roller is fixedly connected with the handle, the other end of the roller is fixedly connected with the LED lamp, the first lower top surface is provided with a containing groove, the containing groove is provided with, the lighting device comprises a transmission module, an operational amplifier module for operational amplifier voltage and a driving module for driving the LED lamp to illuminate.

Through adopting above-mentioned technical scheme, fly leaf and fixed plate articulated mode can let lighting device provide light for in the wardrobe to can let lighting device rotate from top to bottom, enlarged the service area, lighting device can be accomodate in the groove of accomodating that establishes on the fixed plate, saved the space, joint bearing's design can let lighting device pass through roller and handle and rotate about, thereby can improve the practicality of product greatly to the illumination of different places in the wardrobe, simple structure, reasonable in design.

The utility model discloses further set up to: the transmission module is connected with the power supply, the operational amplifier module is connected with the transmission module, the transmission module is fixedly connected with the second lower top surface, and the driving module is connected with the operational amplifier module.

By adopting the technical scheme, the current passes through the transmission circuit from the power supply, then passes through the operational amplifier circuit and finally passes through the driving circuit, and the LED lighting effect is realized.

The utility model discloses further set up to: the transmission module includes sensing circuit and sampling circuit, sensing circuit includes photo resistance, sampling circuit includes control relay and sampling resistor, sampling resistor one end is connected with control relay, and the other end is equipped with detecting element, the operational amplifier circuit includes LM324 operational amplifier, drive module includes electric capacity and LED lamp, electric capacity one end is connected with LM324 operational amplifier, and the other end is connected with the LED lamp.

Through adopting above-mentioned technical scheme, the sensing circuit with fly leaf back fixed connection can be through the photosensitive resistance control circuit voltage size, and control relay in the sampling circuit can be unchangeable with sampling resistor control input end voltage size under the sufficient condition of light, has realized that LED luminance can adjust through the power of light promptly.

The utility model is further arranged in that the clamping component is in a boss shape, the first lower top surface is provided with a notch for clamping the clamping component, and the surface of the lighting device is provided with a transparent protective film.

Through the technical scheme, when the device is idle, the lighting device can be fixed in the accommodating groove through the clamping component, and the transparent protective film arranged on the surface of the lighting device protects the LED lamp from being polluted.

To sum up, the utility model has the advantages of as follows: the movable plate hinged to the fixing plate can drive the lighting device to rotate up and down, the joint bearing can drive the lighting device to rotate left and right under the action of the handle, the transmission module can sense external light, accordingly, the brightness of the LED lamp is adjusted, the effect of lighting in a wardrobe with insufficient light is achieved, the overall structure is simple in design, the using space of a product is enlarged while energy is saved, and the modern design concept is met.

Drawings

Fig. 1 is a general structure diagram of the present embodiment of the invention;

fig. 2 is a partial enlarged view of the lamp holder and the lighting device according to the embodiment of the present invention;

fig. 3 is a connection diagram of the internal module according to the embodiment of the present invention.

In the figure, 1, a wardrobe; 2. a lamp holder; 3. an illumination device; 4. a fixing plate; 5. a movable plate; 6. a receiving groove; 7. an LED lamp; 8. a handle; 9. a bearing housing; 10. a roller; 11. a chucking member; 12. a first upper top surface; 13. a first lower top surface; 14. a second upper top surface; 15. a second lower top surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the lamp holder 2 is fixedly connected to the inner top surface of the wardrobe 1, the lamp holder 2 includes a fixed plate 4 and a movable plate 5, the movable plate 5 is hinged to the fixed plate 4 at one end, an opening space is formed at the other end, the opening direction faces the wardrobe 1, and the illumination device 3 is arranged on the movable plate 5, so that the illumination device 3 can rotate up and down under the driving of the movable plate 5, and the illumination effect of the wardrobe 1 is achieved.

As shown in fig. 2, the fixing plate 4 includes a first upper top surface 12 and a first lower top surface 13, the first lower top surface 13 is provided with a receiving groove 6 for placing the LED lamp 7, the top end of the fixing plate is further provided with a notch for clamping the fixing plate 4, the movable plate 5 includes a second upper top surface 14 and a second lower top surface 15, the second lower top surface 15 is provided with a handle 8, the center of the movable plate 5 is provided with a through knuckle bearing, the knuckle bearing includes a bearing sleeve 9 and a roller 10, one end of the roller 10 is connected and fixed with the handle 8, and the other end is connected and fixed with the LED lamp 7, so that the LED lamp 7 can be directly controlled to rotate left and right through the handle 8 during specific use, the second upper top surface 14 is further provided with a clamping member 11, the clamping member 11 is shaped like a table, and when the device is idle, the fixing effect on the fixing plate 4 can be realized through the.

As shown in fig. 3, fig. 3 is a circuit block diagram of the lighting device 3, the transmission module is connected to the power supply, the operational amplifier module is connected to the transmission module, the transmission module is fixedly connected to the second lower top surface 15, the driving module is connected to the operational amplifier module, the transmission module includes a sensing circuit and a sampling circuit, the sensing circuit includes a photo resistor, the sampling circuit includes a control relay and a sampling resistor, one end of the sampling resistor is connected to the control relay, the other end of the sampling resistor is provided with a detection element, the operational amplifier circuit includes an LM324 operational amplifier, the driving module includes a capacitor and an LED lamp 7, one end of the capacitor is connected to the LM324 operational amplifier, the other end of the capacitor is connected to the LED lamp 7, that is, the LED lamp 7 can realize the lighting effect through the transmission module and the operational amplifier.

The above-mentioned embodiments are merely illustrative of the present invention, and it is not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a luminance adjustable LED lighting device (3), includes wardrobe (1), lighting fixture (2) and lighting device (3), its characterized in that: the lamp holder (2) comprises a fixed plate (4) and a movable plate (5), the fixed plate (4) is hinged and fixed with the movable plate (5), the fixed plate (4) comprises a first upper top surface (12) and a first lower top surface (13), the first upper top surface (12) is provided with adhesive and is fixedly connected with the inner top surface of the wardrobe (1) at the position of the adhesive, the movable plate (5) comprises a second upper top surface (14) and a second lower top surface (15), an opening space is formed between the first lower top surface (13) and the second upper top surface (14), the opening faces the inner side of the wardrobe (1), the second lower top surface (15) is provided with a handle (8), the fixed plate (4) is provided with a joint bearing, the joint bearing comprises a bearing sleeve (9) and a roller (10), one end of the roller (10) is fixedly connected with the handle (8), and the other end of the roller is fixedly connected with the LED lamp (7), the LED lamp is characterized in that the first lower top surface (13) is provided with a containing groove (6), the second upper top surface (14) is provided with a clamping component (11) used for clamping the movable plate (5), and the illuminating device (3) comprises a transmission module, an operational amplifier module used for operational amplifier voltage and a driving module used for driving the LED lamp (7) to illuminate.

2. A luminance adjustable LED lighting device (3) as claimed in claim 1, characterized in that: the transmission module is connected with the power supply, the operational amplifier module is connected with the transmission module, the transmission module is fixedly connected with the second lower top surface (15), and the driving module is connected with the operational amplifier module.

3. A luminance adjustable LED lighting device (3) as claimed in claim 1, characterized in that: the transmission module comprises a sensing circuit and a sampling circuit, the sensing circuit comprises a photosensitive resistor, the sampling circuit comprises a control relay and a sampling resistor, one end of the sampling resistor is connected with the control relay, and the other end of the sampling resistor is provided with a detection element.

4. A luminance adjustable LED lighting device (3) as claimed in claim 1, characterized in that: the operational amplifier circuit comprises an LM324 operational amplifier, the driving module comprises a capacitor and an LED lamp (7), one end of the capacitor is connected with the LM324 operational amplifier, and the other end of the capacitor is connected with the LED lamp (7).

5. A luminance adjustable LED lighting device (3) as claimed in claim 1, characterized in that: the clamping part (11) is in a boss shape, and the first lower top surface (13) is provided with a notch used for clamping the clamping part (11).

6. A luminance adjustable LED lighting device (3) as claimed in claim 1, characterized in that: and a transparent protective film is arranged on the surface of the lighting device (3).