CN205299238U - LED lamp with adjustable light output angle - Google Patents

Abstract

The utility model discloses a LED lamps and lanterns with adjustable light-emitting angle, include: a housing; the LED light source is arranged in the shell; the driving power supply is arranged in the shell, and the output end of the driving power supply is connected with the LED light source; the reflecting bowl is arranged in the shell and used for reflecting light emitted by the LED light source; the LED light source is arranged on a central line of the reflecting bowl and can move back and forth between a first position and a second position along the central line; the LED lamp further comprises a driving device for driving the LED light source and a control circuit for controlling the driving device, and the control circuit comprises a wireless receiving module. The utility model provides a LED lamps and lanterns with adjustable light-emitting angle realizes the regulation of emergent light angle through wireless mode, convenient operation, and the function is practical.

Description

LED lamp with adjustable light output angle

technical field

The utility model relates to a lighting device, in particular to an LED lamp with an adjustable light emitting angle.

Background technique

As a fourth-generation lighting source, LED has significant advantages in energy saving and longevity. With the development of society, the problem of lighting energy consumption in daily life has become increasingly prominent. Therefore, LEDs with significant energy-saving advantages are more and more popular.

LED downlights/spotlights are a popular type of lamps in home life. They can maintain the overall unity and perfection of architectural decoration without destroying the settings of lamps. The light source is hidden inside the architectural decoration. The light source is not exposed, no glare, and people The visual effect is soft and uniform. The adjustment of the light emission angle of the LED downlight in the prior art is performed by replacing the light distribution optical element, and the operation is cumbersome and impractical.

Contents of the invention

In view of the above-mentioned current state of the art, the technical problem to be solved by the utility model is to provide an LED lamp with an adjustable light output angle which is easy to operate.

In order to solve the above technical problems, the utility model provides an LED lamp with an adjustable light output angle, including:

case;

LED light source, the LED light source is installed in the housing;

A driving power supply, the driving power supply is installed in the housing, and the output end of the driving power supply is connected to the LED light source;

A reflective bowl, the reflective bowl is installed in the housing and is used to reflect the light emitted by the LED light source;

The LED light source is arranged on the centerline of the reflective bowl, and can move back and forth between a first position and a second position along the centerline;

The LED lamp also includes a driving device for driving the LED light source and a control circuit for controlling the driving device, and the control circuit includes a wireless receiving module.

In one embodiment, when the LED light source is in the first position, the light output angle is 15°, and when the LED light source is in the second position, the light output angle is 90°.

In one of the embodiments, the driving device includes:

A light source mounting seat, the LED light source is fixed on the light source mounting seat, and the light source mounting seat is provided with a plurality of first teeth arranged along the centerline direction of the reflective bowl;

a gear provided with a number of second teeth meshing with a number of said first teeth; and

A motor, the output shaft of the motor is connected with the gear through a transmission mechanism.

In one of the embodiments, the transmission mechanism includes a connecting rod and the transmission column, one end of the connecting rod is connected to the gear, and the other end is provided with a pulley; one end of the transmission column is connected to the output of the motor The shaft is connected, and the outer peripheral surface of the transmission column is provided with a guide groove extending in a helical direction and cooperating with the pulley. The pulley is located in the guide groove and can slide along the guide groove.

In one of the embodiments, the gear is a sector gear.

In one of the embodiments, the LED lamp further includes a guide mechanism, the guide mechanism includes a guide hole provided on the light source mounting base and a guide post matched with the guide hole, and the guide post is fixed on the on the casing.

In one of the embodiments, the light source mounting seat is made of metal material, and the light source mounting seat is a hollow structure.

In one embodiment, the first teeth are ring-shaped extending along the circumferential direction of the light source mounting seat.

In one embodiment, the control circuit includes a single-chip microcomputer, the input end of the single-chip microcomputer is connected to the wireless receiving module, and the output end of the single-chip microcomputer is connected to the driving device.

In one of the embodiments, the wireless receiving module is a wifi module.

The LED lamp with an adjustable light emitting angle provided by the utility model can realize the adjustment of the emitting light angle through wireless, and has convenient operation and practical functions.

The beneficial effects of the additional technical features of the utility model will be described in the specific implementation mode of this specification.

Description of drawings

Fig. 1 is a structural schematic diagram of an LED lamp with an adjustable light emitting angle of the present invention;

Fig. 2 is a schematic diagram of the control circuit of the LED lamp with adjustable light emitting angle of the present invention;

Fig. 3 is a structural schematic diagram of the LED lamp with an adjustable light emitting angle of the present invention when the light emitting angle is maximum;

Fig. 4 is a structural schematic diagram of the LED lamp with an adjustable light emitting angle of the present invention when the light emitting angle is minimum.

In the above figures, 10, LED light source; 20, reflector bowl; 30, lamp surface ring; 40, lamp installation spring; 50, drive power supply; 60, wifi module; 70, crimping cover; Guide column; 92, light source mounting seat; 92a, first tooth; 92b, guide hole; 93, motor; 94, single-chip microcomputer; 95, transmission column; 95a, guide groove; 96, gear; 96a, second tooth; 96b, Connecting rod; 100, housing.

detailed description

The utility model is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

FIG. 1 is a schematic cross-sectional structure diagram of an LED lamp with an adjustable light output angle in one embodiment of the present invention. The LED lamp is an LED tube/spotlight, which includes a housing 100, an LED light source 10, and a reflective bowl 20. , lamp surface ring 30, lamp installation spring 40, driving power supply 50, reflective bowl 20, crimping cover 70, rear cover 80, driving device and control circuit, wherein, the shell 100 is a cylindrical structure, and the lamp surface ring 30 is installed on At the lower end of the housing 100 , the back cover 80 is mounted on the upper end of the housing 100 , and the lamp installation spring 40 is fixed on both sides of the lower end of the housing 100 .

The reflection bowl 20 is bowl-shaped, and the reflection bowl 20 is fixed in the housing 100 , and the top of the reflection bowl 20 has a through hole. The reflective bowl 20 is used to reflect the light emitted by the LED light source 10 .

The LED light source 10 is arranged on the center line of the reflective bowl 20, and can move back and forth between a first position (position shown in FIG. 4) and a second position (position shown in FIG. 3) along the center line , by moving the LED light source 10 to change the light emitting angle of the LED tube/spotlight. Preferably, the light emitting angle of the LED light source 10 at the first position is 15°, and the light emitting angle of the LED light source 10 at the second position is 90°.

The driving device is used to drive the LED light source 10. The driving device in this embodiment includes a light source mounting seat 92, a guide mechanism, a gear 96, a transmission mechanism and a motor 93, wherein the LED light source 10 is fixed on the light source On the lower end face of the mounting base 92 , on the outer peripheral surface of the light source mounting base 92 are provided a plurality of first teeth 92 a arranged along the centerline direction of the reflective bowl 20 . Preferably, the light source mounting base 92 is made of metal material, the light source mounting base 92 is a hollow structure, and the first teeth 92a extend along the circumferential direction of the light source mounting base 92, so that the light source mounting base 92 The heat generated when the LED light source 10 is in operation can be quickly dissipated. The guide mechanism is used to guide the light source mounting base 92. The guide mechanism includes a guide hole 92b arranged on the light source mounting base 92 and a guide post 91 matched with the guide hole 92b. One end of the guide post 91 is fixed on the housing 100 . The gear 96 is provided with a plurality of second teeth 96a meshing with the first teeth 92a, and the gear 96 is a sector gear. The output shaft of the motor 93 is connected with the gear 96 through a transmission mechanism. Described transmission mechanism comprises connecting rod 96b and described transmission column 95, and one end of described connecting rod 96b is connected with described gear 96, and the other end is provided with pulley; One end of described transmission column 95 is connected with the output shaft of described motor 93 Connected, the outer peripheral surface of the transmission column 95 is provided with a guide groove 95a extending in a helical direction and cooperating with the pulley. The pulley is located in the guide groove 95a and can slide along the guide groove 95a.

The control circuit is used to control the driving device. As shown in FIG. 2, the control circuit includes a single-chip microcomputer 94, the input end of the single-chip microcomputer 94 is connected to the wireless receiving module, and the output end of the single-chip microcomputer 94 is connected to the driving device. The wireless receiving module is a wifi module.

The process of adjusting the light output angle of the LED lamp with adjustable light output angle in the embodiment of the utility model is as follows:

The user communicates with the wifi module 60 through the mobile phone, and the signal is connected to the single-chip microcomputer 91 through two-way communication. The single-chip microcomputer 91 controls the forward and reverse rotation of the motor 93, and the transmission column 95 drives the gear 96 to move up and down, which is realized by the guide groove 95a on the transmission column 95. Control of the range of up and down motion. The gear 96 thus pushes the light source mounting base 92 to slide up and down along the guide column 91, and the LED light source 10 installed on the lower end plane of the light source mounting base 92 realizes sliding between the upper and lower positions. The lowest position in the figure is 90° with the largest outgoing light angle. ° light source position 11, the highest position is 15 ° light source position 12 with the smallest outgoing light angle.

It should be noted that the adjustable outgoing light angle of 15°-90° in the present invention is only an illustration of a preferred embodiment, and those skilled in the art can obtain other outgoing light angles through simple replacement or deformation of conventional technical means. Incident light angle, these all belong to the scope of the present utility model.

To sum up, in the LED lamps for wirelessly adjusting the light angle of the embodiment of the present utility model, the user uses a smart phone to communicate with the lamp wirelessly, and can realize stepless adjustment of the outgoing light angle of 15° to 90° and/or Sectional adjustment, simple structure and practical functions.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the utility model, and these all belong to the protection scope of the utility model.

Claims (10)

1. An LED lamp with adjustable light emitting angle, comprising: housing (100); LED light source (10), the LED light source (10) is installed in the housing (100); A driving power supply (50), the driving power supply (50) is installed in the housing (100), and the output end of the driving power supply (50) is connected to the LED light source (10); a reflective bowl (20), the reflective bowl (20) is installed in the housing (100), and is used to reflect the light emitted by the LED light source (10); It is characterized in that, The LED light source (10) is arranged on the centerline of the reflective bowl (20), and can move back and forth between a first position and a second position along the centerline; The LED lamp also includes a driving device for driving the LED light source (10) and a control circuit for controlling the driving device, and the control circuit includes a wireless receiving module. 2. The LED lamp with adjustable light emitting angle according to claim 1, characterized in that, when the LED light source (10) is in the first position, the light emitting angle is 15°, and when the LED light source (10) is in the second position The light output angle at the position is 90°. 3. The LED lamp with adjustable light emission angle according to claim 1, wherein the driving device comprises: A light source mounting seat (92), the LED light source (10) is fixed on the light source mounting seat (92), and the light source mounting seat (92) is provided with a row of a plurality of first teeth (92a) of the cloth; a gear (96) provided with a plurality of second teeth (96a) meshing with a plurality of said first teeth (92a); and A motor (93), the output shaft of the motor (93) is connected with the gear (96) through a transmission mechanism. 4. The LED lamp with adjustable light output angle according to claim 3, characterized in that, the transmission mechanism comprises a connecting rod (96b) and the transmission column (95), and one end of the connecting rod (96b) is connected to The gear (96) is connected, and the other end is provided with a pulley; one end of the transmission column (95) is connected with the output shaft of the motor (93), and the outer peripheral surface of the transmission column (95) is provided with a A guide groove (95a) extending in the direction and matched with the pulley, the pulley is located in the guide groove (95a) and can slide along the guide groove (95a). 5. The LED lamp with adjustable light emitting angle according to claim 4, characterized in that, the gear (96) is a sector gear. 6. The LED lamp with adjustable light emitting angle according to claim 3, characterized in that, the LED lamp further comprises a guide mechanism, and the guide mechanism comprises a guide hole ( 92b) and a guide post (91) matched with the guide hole (92b), the guide post (91) is fixed on the housing (100). 7. The LED lamp with adjustable light emission angle according to claim 3, characterized in that, the light source mounting seat (92) is made of metal material, and the light source mounting seat (92) is a hollow structure. 8. The LED lamp with adjustable light output angle according to claim 7, characterized in that, the first teeth (92a) are ring-shaped extending along the circumferential direction of the light source mounting seat (92). 9. The LED lamp with adjustable light output angle according to any one of claims 1 to 8, characterized in that, the control circuit includes a single-chip microcomputer (94), and the input terminal of the single-chip microcomputer (94) is connected to the wireless The receiving module is connected, and the output end of the single-chip microcomputer (94) is connected with the driving device. 10. The LED lamp with adjustable light output angle according to any one of claims 1 to 8, wherein the wireless receiving module is a wifi module.