CN217060745U

CN217060745U - Projection lamp capable of automatically zooming pattern

Info

Publication number: CN217060745U
Application number: CN202220874621.2U
Authority: CN
Inventors: 谢煜
Original assignee: Dongguan Lieadshow Opto Electronic Technology Co ltd
Current assignee: Dongguan Lieadshow Opto Electronic Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-07-26
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a projection lamp capable of automatically zooming patterns, which comprises a shell, a power supply, a main control panel, a light source component, a color disc, a pattern disc, a focusing lens, an amplifying lens and an imaging lens, wherein a slide bar is arranged in the shell; the focusing lens support is connected with a focusing lens motor, and the amplifying lens support is connected with an amplifying lens motor. The utility model discloses a be equipped with corresponding actuating mechanism respectively for each camera lens such as focusing lens, magnifying lens, formation of image lens to this automatic flexible function that realizes the camera lens reaches the automatic zoom effect of projection pattern, thereby can realize a tractor serves several purposes, and different light projection angles and different pattern sizes can all be realized through a lamps and lanterns, so avoided needing to be equipped with a plurality of camera lenses for every lamps and lanterns.

Description

Projection lamp capable of automatically zooming pattern

Technical Field

The utility model relates to a projector equipment technical field, concretely relates to projection lamp of scalable pattern.

Background

Projection lamps/machines are optical instruments that use optical elements to magnify the contour of a workpiece and project it onto a screen, and are increasingly used in engineering projection lamps/machines for travel projects such as tourist areas, building lighting, live-action performances, water curtain projection, etc. In recent years, with the increasingly wide application of light products in the fields of travel and the like, various projection devices with different projection angles and different power sizes are produced, and the common projection angles are 10 degrees, 20 degrees, 30 degrees, 40 degrees, 45 degrees, 50 degrees and 60 degrees; the user can select lamps and lanterns of different light projection angles according to service environment, application location, projection distance, the size of projection pattern, realizes a scenic spot or scene light design effect.

However, the practical construction and factory production have many problems and disadvantages, which are mainly expressed as follows: 1. the traditional projection lamp generally adopts a lens with a fixed focal length, namely, the lens with one light projection angle can only project a pattern light spot with a fixed size; if the pattern is to be enlarged or reduced, the lens needs to be replaced. 2. Different positions on the same project require different sizes of projection patterns, so the types of products required to be used are multiple, and the same product may need lamp products with different light projection angles of 20 degrees, 30 degrees, 40 degrees, 60 degrees and the like. 3. The production operation of a factory is inconvenient, a plurality of different products need to be produced in the same project, the quantity is small, the product belongs to formulated products, and the manufacturing cost is high. 3. The same product usually needs to be stored with optical lenses with various projection angles, so that a user can conveniently replace the optical lenses at any time, and the storage pressure is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can realize that a tractor serves several purposes, different light projection angle and a lamps and lanterns of different pattern size accessible realize to but the projection lamp of the automatic zoom pattern of reducible camera lens quantity, low cost and stock.

In order to solve the technical problem, the utility model adopts the following technical scheme: a projection lamp capable of automatically zooming patterns comprises a shell, a power supply, a main control panel, a light source assembly, a color disc, a pattern disc, a focusing lens, an amplifying lens and an imaging lens, wherein the power supply, the main control panel, the light source assembly, the color disc, the pattern disc, the focusing lens, the amplifying lens and the imaging lens are arranged in the shell; the colour dish is connected colored dish motor, and the pattern dish is connected with pattern dish motor and pattern rotation motor, its characterized in that: a slide bar (or a slide rail) is arranged in the shell, is positioned between the pattern disc and the imaging lens and extends along the front-back direction; a focusing lens bracket and a magnifying lens bracket which can slide along the sliding rod are arranged on the sliding rod, the magnifying lens bracket is positioned in front of the focusing lens bracket, the magnifying lens is arranged on the magnifying lens bracket, and the focusing lens is arranged on the focusing lens bracket; the focusing lens support is connected with a focusing lens motor, and the amplifying lens support is connected with an amplifying lens motor, so that the focusing lens and the amplifying lens respectively form a structure capable of being adjusted back and forth along the sliding rod.

Furthermore, the shell comprises a front cover, a middle cover and a rear cover, the light outlet is arranged in the front cover, and a bottom plate is arranged at the position, close to the bottom, of the middle cover; the slide bar is installed on the upper surface of the bottom plate, the focusing lens motor and the magnifying lens motor are respectively installed on the lower surface of the bottom plate, the focusing lens support is connected with the focusing lens motor through a synchronous belt, and the magnifying lens support is connected with the magnifying lens motor through another synchronous belt.

Furthermore, magnets are respectively arranged on the focusing lens support and the magnifying lens support, and positioning plates which respectively correspond to the two magnets and are provided with magnetic sensors are arranged on the bottom plate so as to respectively form positioning structures of the focusing lens and the magnifying lens.

Furthermore, the light source assembly comprises an LED constant current driving board, an LED light source and an LED condenser, the LED light source and the LED condenser are installed on a radiator, the LED condenser covers the LED light source, the LED light source is connected with the LED constant current driving board, and the LED constant current driving is connected with the main control board; the power supply is arranged behind the radiator, the main control board is connected with the power supply, and the power supply is covered by the rear cover.

Furthermore, fans are respectively arranged on two sides of the radiator, the fan on one side is aligned with the air inlet window on one side of the rear cover to form an air inlet structure, and the fan on the other side is aligned with the air outlet window on the other side of the rear cover to form an air outlet structure, so that heat dissipation is facilitated.

Furthermore, a middle plate is arranged at the front end of the radiator, connecting supports are arranged on two sides of the middle plate, and side plates are arranged at the front ends of the connecting supports; a color disc bracket and a pattern disc bracket are arranged between the connecting brackets; the color disc and the color disc motor are arranged on the color disc bracket, and the pattern disc, the pattern disc motor and the pattern rotation motor are arranged on the pattern disc bracket together; an imaging lens bracket is arranged at the front end of the side plate, and an imaging lens is arranged on the imaging lens bracket; the LED constant current drive board is installed on the side of one side plate.

Furthermore, two sides of the middle cover are hinged and fixed with a foot rest, arc-shaped adjusting holes are formed in the foot rest, and the adjusting handle penetrates through the arc-shaped adjusting holes to be assembled and fixed with the middle cover, so that the whole projection lamp forms a structure capable of being adjusted in a vertical rotating mode.

Furthermore, a display screen is arranged on the side face of the middle cover and connected with the main control board.

Furthermore, a power interface, a signal input interface and a signal output interface are arranged on the rear cover, and the signal input interface and the signal output interface adopt DMX512 signal interfaces.

Preferably, the color disc is pasted with six coated lenses with different colors and a blank light hole, and the pattern disc is pasted with six different patterns and a white light hole.

The utility model discloses a for focusing lens, magnifying lens, each camera lens such as formation of image lens are equipped with corresponding actuating mechanism respectively to this realizes the automatic flexible function of camera lens, reaches the automatic zoom effect of projection pattern, thereby can realize a tractor serves several purposes, different light projection angle and different pattern size all can realize through a lamps and lanterns promptly, so avoided the puzzlement that need be equipped with a plurality of camera lenses for every lamps and lanterns, reduced production and use cost, reduced the stock pressure.

Drawings

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a perspective view of another embodiment of the present invention;

FIG. 3 is a back structure view of the present invention;

FIG. 4 is a structural diagram of the utility model with the outer shell removed;

FIG. 5 is a view of the present invention from another angle after the outer shell is removed;

FIG. 6 is a diagram of a structure of the present invention for automatically zooming the lens;

FIG. 7 is a top view structural diagram of the present invention for realizing automatic zooming of the lens;

fig. 8 is a control system architecture diagram according to the present invention.

In the figure, 1 is a front cover, 2 is a middle cover, 3 is a rear cover, 4 is a foot stand, 5 is an adjusting handle, 6 is a light outlet, 7 is a display screen, 8 is an air inlet window, 9 is an air outlet window, 10 is a power interface, 11 is a signal input interface, 12 is a signal output interface, 13 is a power supply, 14 is a heat sink, 15 is a fan, 16 is a middle plate, 17 is a color wheel bracket, 18 is a color wheel motor, 19 is a pattern wheel bracket, 20 is a pattern wheel motor, 21 is a pattern rotation motor, 22 is a connecting bracket, 23 is a side plate, 24 is a focusing lens bracket, 25 is an amplifying lens bracket, 26 is an imaging lens bracket, 27 is a bottom plate, 28 is a focusing lens motor, 29 is an amplifying lens motor, 30 is a main control plate, 31 is an LED constant current driving plate, 32 is an LED light source, 33 is an LED condenser, 34 is a color wheel, 35 is a pattern wheel, 36 is a sliding rod, 37 is a magnet, 38 is a positioning plate, a focus lens 39, an enlargement lens 40, an imaging lens 41, and a timing belt 42.

Detailed Description

In this embodiment, referring to fig. 1 to 8, the projection lamp capable of automatically zooming patterns includes a housing, and a power supply 13, a main control board 30, a light source assembly, a color disc 34, a pattern disc 35, a focusing lens 39, an amplifying lens 40 and an imaging lens 41 which are installed in the housing, wherein a light outlet 6 is provided at the front end of the housing, the imaging lens 41 is aligned with the light outlet 6 to project patterns, the amplifying lens 40 is aligned with the imaging lens 41 from the back, the focusing lens 39 is aligned with the amplifying lens 40 from the back, and the color disc 34 and the pattern disc 35 are provided between the focusing lens 39 and the light source assembly; the color disc 34 is connected with the color disc motor 18, and the pattern disc 35 is connected with the pattern disc motor 20 and the pattern rotation motor 21; a slider 36 is provided in the housing, the slider 36 being located between the pattern disk 34 and the imaging lens 41 and extending in the front-rear direction; a focusing lens bracket 24 and an amplifying lens bracket 25 which can slide along the sliding rod 36 are arranged on the sliding rod 36, the two brackets are arranged in a staggered way, the amplifying lens bracket 25 is positioned in front of the focusing lens bracket 24, an amplifying lens 40 is arranged on the amplifying lens bracket 25, and a focusing lens 39 is arranged on the focusing lens bracket 24; the focus lens holder 24 is connected to a focus lens motor 28, and the magnification lens holder 25 is connected to a magnification lens motor 29, so that the focus lens 39 and the magnification lens 40 are respectively configured to be adjustable back and forth along the slide bar 36.

The shell comprises a front cover 1, a middle cover 2 and a rear cover 3, the light outlet 6 is arranged in the front cover 1, and a bottom plate 27 is arranged at the position, close to the bottom, of the middle cover 2; the sliding rod 36 is installed on the upper surface of the bottom plate 27, the focus adjusting lens motor 28 and the magnifying lens motor 29 are respectively installed on the lower surface of the bottom plate 27, the focus adjusting lens bracket 24 is connected with the focus adjusting lens motor 28 through a synchronous belt 42, and the magnifying lens bracket 25 is connected with the magnifying lens motor 39 through another synchronous belt 42.

Magnets 37 are respectively provided on the focus lens holder 24 and the magnification lens holder 25, and positioning plates 38 with magnetic sensors corresponding to the two magnets 37 are provided on the base plate 27, respectively, to form positioning structures for the focus lens 39 and the magnification lens 40, respectively.

The light source assembly comprises an LED constant current driving board 31, an LED light source 32 and an LED condenser 33, the LED light source 32 and the LED condenser 33 are installed on a radiator 14, the LED condenser 33 covers the LED light source 32, the LED light source 32 is connected with the LED constant current driving board 31, and the LED constant current driving board 31 is connected with the main control board 30; the power supply 13 is installed behind the heat sink 14, the main control board 30 is connected to the power supply 13, and the rear cover 3 covers the power supply 13.

Fans 15 are respectively arranged on two sides of the radiator 14, the fan 15 on one side is aligned with the air inlet window 8 on one side of the rear cover 3 to form an air inlet structure, and the fan 15 on the other side is aligned with the air outlet window 9 on the other side of the rear cover 3 to form an air outlet structure, so that heat dissipation is performed.

A middle plate 16 is arranged at the front end of the radiator 14, connecting brackets 22 are arranged on two sides of the middle plate 16, and side plates 23 are arranged at the front ends of the connecting brackets 22; a color disc bracket 17 and a pattern disc bracket 19 are arranged between the connecting brackets 22; the color disc 34 and the color disc motor 18 are arranged on the color disc bracket 17, and the pattern disc 35, the pattern disc motor 20 and the pattern autorotation motor 21 are arranged on the pattern disc bracket 19 together; an imaging lens bracket 26 is installed at the front end of the side plate 23, and an imaging lens 41 is installed on the imaging lens bracket 26; the LED constant current driving board 31 is mounted on a side surface of one of the side plates 23.

The two sides of the middle cover 2 are hinged and fixed with a foot rest 4, the foot rest 4 is provided with a circular arc-shaped adjusting hole, and the adjusting handle 5 penetrates through the circular arc-shaped adjusting hole to be assembled and fixed with the middle cover 3, so that the whole projection lamp forms a structure capable of being adjusted in an up-and-down rotating mode, and the light projecting angle can be adjusted.

The side of the middle cover 2 is provided with a display screen 7, and the display screen 7 is connected with the main control board 30.

The rear cover 3 is provided with a power interface 10, a signal input interface 11 and a signal output interface 12, and the signal input interface 11 and the signal output interface 12 adopt DMX512 signal interfaces.

The color disc 34 is pasted with six coated lenses with different colors and a blank light hole, and the pattern disc 35 is pasted with six different patterns and a white light hole.

The utility model discloses a control system is including display panel circuit module, LED temperature detection circuit module, fan control interface, LED constant current circuit board module, 485 agreement circuit module, motor drive circuit module, MCU etc.. The display panel can be used for setting DMX addresses, LED output power, color disc motor parameter, pattern rotation motor parameter, pattern disc motor parameter, magnification lens motor parameter and focusing lens motor parameter; all motor positions can be corrected.

The LED temperature detection circuit module has the advantages that the power of the LED light source 32 can reach 600W, the heat productivity is high, the temperature is high, and the LED temperature detection circuit module is designed for effectively protecting the LED lamp beads. The circuit module is used for detecting the temperature of the copper substrate of the LED lamp bead, when the temperature of the copper substrate reaches a set protection temperature value, the power of the LED lamp bead is automatically reduced, and the temperature of the copper substrate is guaranteed not to exceed the protection temperature value, so that the service life of an LED is prolonged.

Fan control interface is used for cooling system's temperature control, and when lamps and lanterns moved, 14 temperatures of radiator can rise, and MCU detects 14 temperature rises of radiator and reaches the rated value, opens 15 convulsions of fan, makes LED lamp pearl keep good radiating effect.

The LED constant current circuit board module is used for lighting functions after LED brightness control and reset are completed, and the 485 protocol circuit module is used for receiving and sending DMX512 signals.

The motor driving circuit module comprises a colored disc stepping motor driving circuit, a pattern disc motor driving circuit, a pattern rotation motor driving circuit, an amplifying lens motor driving circuit, a focusing lens motor driving circuit and the like, and the running direction and speed of the motor can be controlled through software.

The MCU is a core component of a hardware circuit, is assisted by program design and is implanted with codes to realize the functions of the modules.

The utility model discloses automatic zooming projection working process as follows:

1. resetting each functional module of the lamp system: after the 220AC mains supply is connected, the MCU in the main control board 30 starts to work, and the functions of all modules of the command system are reset, wherein the functions comprise an LED light source 32, a color disc 34, a pattern disc 35, a focusing lens 39 and an amplifying lens 40; and after the reset of each functional module is completed, the system is reset.

2. The automatically zooming projection lamp is ready to wait for an input command, i.e., a control signal is input for each function setting parameter of the display 7 or the DMX512 control.

3. The brightness of the LED light source 32 is adjusted through the display screen 7 of the main control panel 30; setting relevant parameters of the color wheel motor 18 to enable the color wheel 34 to rotate to a color development position; setting parameters of the pattern disk motor 20 to rotationally position the pattern disk 35 onto the projected pattern; setting parameters of a magnifying lens motor 29, moving a magnifying lens 40, and adjusting the size of a light spot of a projection pattern; setting parameters of a focus lens motor 28, moving a focus lens 39, and adjusting pattern definition; pressing the confirm key to store the set parameters.

4. The lamp presents corresponding lighting effects according to the set related parameters; if the projected pattern is required to have a dynamic effect of rotation, the relevant parameters of the pattern rotation motor 21 can be set, and the rotation speed and the rotation direction of the pattern can be adjusted.

5. Similarly, the effects of changeable projection patterns, pattern sizes, pattern colors, pattern rotation directions and speeds, projection pattern brightness and the like can be continuously set through the display screen 7.

6. After the lamp system is reset, if the effects such as the pattern, the projection color, the pattern size, the rotating effect, the brightness adjustment and the like of the lamp are controlled through the DMX512 console, a signal wire of the DMX512 console can be connected to the lamp, and a DMX512 mode and a lamp address code, namely d001, are set on a lamp display panel; and pushing each push rod data of the console, sending a function instruction of each channel to the lamp, and sending an execution command to execute each corresponding module function when the MCU receives a DMX512 console instruction, so that a light effect controlled by the console is presented, and the DMX512 signal control is completed.

The working principle is as follows:

1) the power of the LED light source 32 can be 300W, 400W, 500W or 600W LED, and the required illumination light is provided for the lamp.

2) The LED condenser 33 mainly functions to collect and furl the light emitted by the LED to form a beam of parallel and direct light;

3) the light beam directly enters the color disc 34 to enable the projection to display the patterns with corresponding colors, 6 kinds of coated lenses with different colors and 1 blank light hole are pasted on the color disc, and the patterns with different colors can be projected when the color disc is rotated to different positions.

4) The pattern disk 35 is pasted with 6 different patterns and 1 white light transmission hole, when the pattern disk rotates to different positions, different patterns can be projected.

5) Resetting process of the magnifying lens 40: when the lamp is powered on, the magnifying lens 40, the magnifying lens bracket 25 and the magnet 37 thereon move forward along the sliding rod 36 as a whole, i.e. in the direction of the front imaging lens 41; when the magnet 37 moves above the positioning plate 38, the magnetic sensor on the positioning plate 38 detects that a magnetic field passes through the sensor, the whole magnifying lens bracket 25 stops moving, the magnifying lens 40 is reset and is in the initial position, and the pattern projection light spot is maximum at the moment; if the pattern spot is adjusted to be small, the parameters of the magnification lens motor 29 are set, and the magnification lens 40 is moved along the slider 36 in a direction to approach the pattern disk 35, so that the pattern spot becomes small.

Resetting process of the focus lens 39: after the lamp is powered on and the magnifying lens 40 is reset, the focusing lens 39, the focusing lens bracket 24 and the magnet 37 on the focusing lens bracket move backwards along the sliding rod 36, namely the position direction of the pattern disc, when the magnet 37 moves above the positioning plate 38, the magnetic sensor on the positioning plate 38 detects that a magnetic field passes through the sensor, the whole focusing lens bracket 24 stops moving, the focusing lens 39 is reset and is in the initial position, the pattern projection is unclear at the moment, the parameter of the focusing lens motor 38 needs to be adjusted and set, the position of the focusing lens 39 is moved forwards or backwards, and finally the whole optical system is in the best focus to project the clearest pattern. After each change of the pattern size, the focus needs to be adjusted again to achieve the clearest projected pattern.

The above detailed description is only for the preferred embodiment of the present invention, and the scope of the present invention should not be limited by the above detailed description, and all the equivalent variations and modifications made according to the scope of the present invention should be included in the scope of the present invention.

Claims

1. A projection lamp capable of automatically zooming patterns comprises a shell, a power supply, a main control panel, a light source assembly, a color disc, a pattern disc, a focusing lens, an amplifying lens and an imaging lens, wherein the power supply, the main control panel, the light source assembly, the color disc, the pattern disc, the focusing lens, the amplifying lens and the imaging lens are arranged in the shell; the colour dish is connected colored dish motor, and the pattern dish is connected with pattern dish motor and pattern rotation motor, its characterized in that: a slide bar is arranged in the shell, is positioned between the pattern disc and the imaging lens and extends along the front-back direction; a focusing lens bracket and a magnifying lens bracket which can slide along the sliding rod are arranged on the sliding rod, the magnifying lens bracket is positioned in front of the focusing lens bracket, the magnifying lens is arranged on the magnifying lens bracket, and the focusing lens is arranged on the focusing lens bracket; the focusing lens support is connected with a focusing lens motor, and the amplifying lens support is connected with an amplifying lens motor, so that the focusing lens and the amplifying lens respectively form a structure capable of being adjusted back and forth along the sliding rod.

2. A projection lamp for automatically scalable patterns according to claim 1, characterized by: the shell comprises a front cover, a middle cover and a rear cover, the light outlet is arranged in the front cover, and a bottom plate is arranged at the position, close to the bottom, of the middle cover; the slide bar is installed on the upper surface of the bottom plate, the focusing lens motor and the magnifying lens motor are respectively installed on the lower surface of the bottom plate, the focusing lens support is connected with the focusing lens motor through a synchronous belt, and the magnifying lens support is connected with the magnifying lens motor through another synchronous belt.

3. The automatically scalable pattern projection lamp of claim 2, wherein: magnets are respectively arranged on the focusing lens support and the magnifying lens support, and positioning plates which respectively correspond to the two magnets and are provided with magnetic sensors are arranged on the bottom plate so as to respectively form positioning structures of the focusing lens and the magnifying lens.

4. A projection lamp for automatically scalable patterns according to claim 3, characterized by: the light source assembly comprises an LED constant current drive board, an LED light source and an LED condenser, the LED light source and the LED condenser are arranged on a radiator, the LED condenser covers the LED light source, the LED light source is connected with the LED constant current drive board, and the LED constant current drive is connected with the main control board; the power supply is arranged behind the radiator, the main control board is connected with the power supply, and the power supply is covered by the rear cover.

5. The automatically scalable pattern projection lamp of claim 4, wherein: fans are respectively arranged on two sides of the radiator, the fan on one side is aligned with the air inlet window on one side of the rear cover to form an air inlet structure, and the fan on the other side is aligned with the air outlet window on the other side of the rear cover to form an air outlet structure.

6. The automatically scalable pattern projection lamp of claim 5, wherein: a middle plate is arranged at the front end of the radiator, connecting supports are arranged on two sides of the middle plate, and side plates are arranged at the front ends of the connecting supports; a color disc bracket and a pattern disc bracket are arranged between the connecting brackets; the color disc and the color disc motor are arranged on the color disc bracket, and the pattern disc, the pattern disc motor and the pattern rotation motor are arranged on the pattern disc bracket together; an imaging lens bracket is arranged at the front end of the side plate, and an imaging lens is arranged on the imaging lens bracket; the LED constant current drive board is installed on the side of one side plate.

7. The automatically scalable pattern projection lamp of claim 2, wherein: the two sides of the middle cover are hinged and fixed with a foot rest, the foot rest is provided with an arc-shaped adjusting hole, and the adjusting handle penetrates through the arc-shaped adjusting hole to be assembled and fixed with the middle cover, so that the whole projection lamp forms a structure capable of being adjusted in an up-and-down rotating mode.

8. The automatically scalable pattern projection lamp of claim 7, wherein: the side of the middle cover is provided with a display screen which is connected with the main control board.

9. The automatically scalable pattern projection lamp of claim 4, wherein: the rear cover is provided with a power interface, a signal input interface and a signal output interface, and the signal input interface and the signal output interface adopt DMX512 signal interfaces.

10. A projection lamp for automatically scalable patterns according to claim 1, characterized by: the color disc is stuck with six coated lenses with different colors and a blank light hole, and the pattern disc is stuck with six different patterns and a white light hole.