CN219264208U - Projection lamp - Google Patents

Abstract

The utility model discloses a projection lamp, which comprises a projection lamp shell, wherein an LED light source assembly, a condensing lens assembly, a first imaging lens assembly, a second imaging lens assembly, a main radiator assembly and an auxiliary radiator assembly are fixed on the projection lamp shell, the condensing lens assembly, the first imaging lens assembly, the second imaging lens assembly and the LED light source assembly are linearly arranged on a light source channel of the projection lamp, a back cover is fixed on the rear side of the projection lamp shell, the main radiator assembly is fixed in the back cover, a heat collecting part of the auxiliary radiator assembly is fixed in the projection lamp shell, and the auxiliary radiator assembly is obliquely arranged. One end of the radiating pipe of the auxiliary radiator component extends to one side of the radiating fan of the main radiator component, and heat inside the shell is led out through the radiating pipe. On the premise of the same lamp body inner cavity, the LED light source with higher power can be matched, and the purpose of small volume and high power is realized.

Description

Projection lamp

Technical Field

The present utility model relates to the field of projection devices, and in particular, to a projection lamp.

Background

The LOGO projection lamp can optically image any picture on any opaque medium (e.g., ceiling, floor, nearby wall in a room). The pictures projected by the LOGO projection lamp have static effects as well as dynamic effects.

The light source component (LED lamp) of the projection lamp can generate a large amount of heat during operation, and the normal operation and the service life of the projection lamp can be influenced by a large amount of heat accumulated in the projection lamp shell. Therefore, a heat dissipation assembly is generally disposed on the conventional projection lamp to dissipate heat, and the heat dissipation assembly is generally a heat dissipation fin disposed on the projection lamp housing or a heat dissipation fan disposed inside the heat dissipation housing. But the radiating fin or the radiating fan which are independently arranged has poor radiating effect and low radiating efficiency. Because the radiating effect is poor, under the condition of the same lamp body inner cavity, only a low-power LED light source can be matched, if a high-power LED light source is needed, a very large lamp body needs to be matched, and the cost of the projection lamp is improved.

Disclosure of Invention

Based on the above, the utility model aims to provide the projection lamp which has good heat dissipation effect, improves heat dissipation efficiency, prolongs service life, can be matched with a higher-power LED light source on the premise of the same lamp body inner cavity, realizes the purpose of small volume and high power of the projection lamp, and reduces the cost of the projection lamp.

The projection lamp comprises a projection lamp shell, wherein an LED light source assembly, a condensing lens assembly, a first imaging lens assembly, a second imaging lens assembly, a main radiator assembly and an auxiliary radiator assembly are fixed on the projection lamp shell, the condensing lens assembly, the first imaging lens assembly, the second imaging lens assembly and the LED light source assembly are linearly arranged on a light source channel of the projection lamp, the LED light source assembly is connected with the main radiator assembly, a back cover is fixed on the rear side of the projection lamp shell, the main radiator assembly is fixed in the back cover, the auxiliary radiator assembly is fixed in the projection lamp shell, and the auxiliary radiator assembly is obliquely arranged in a direction close to the second imaging lens assembly and the first imaging lens assembly.

According to the utility model, the main radiator assembly and the auxiliary radiator assembly are fixed on the projection lamp shell, the LED light source assembly is radiated through the main radiator assembly, the interior of the projection lamp shell is radiated through the auxiliary radiator assembly, and the temperature of the interior of the projection lamp shell is reduced. The utility model can realize heat dissipation in the whole projection lamp by arranging the main radiator component and the auxiliary radiator component, has good heat dissipation effect, improves the heat dissipation efficiency of the projection lamp, prolongs the service life of the projection lamp, can match with a higher-power LED light source on the premise of the same lamp body inner cavity, realizes the purpose of small volume and high power of the projection lamp, and reduces the cost.

Further preferably, the main radiator assembly and the auxiliary radiator assembly are both fixed with a radiator fan and a radiator pipe, the radiator fans of the main radiator assembly are arranged on two opposite sides of the main radiator assembly, a ventilation grille is arranged on the back cover at a position corresponding to the radiator fans, and the upper side edge of the ventilation grille is obliquely arranged towards the upper part of the inside of the back cover relative to the bottom side edge; the air outlet of the cooling fan of the auxiliary radiator assembly faces the second imaging lens assembly and the first imaging lens assembly; one end of the radiating pipe of the auxiliary radiator assembly extends to one side of the radiating fan of the main radiator assembly.

Still preferably, the projection lamp housing is further provided with an image adjusting device, the image adjusting device is arranged between the condensing lens assembly and the first imaging lens assembly, the image adjusting device comprises a fixed universal plate, an image rotating mechanism and an image imaging mechanism, the image rotating mechanism is fixed on the fixed universal plate and is connected with the image imaging mechanism, and the image rotating mechanism drives the image imaging mechanism to rotate so as to realize the display of at least two different image projections.

Still preferably, the image rotation mechanism comprises a first rotation driving component, the first rotation driving component comprises a first rotation driving piece, a first transmission component and a tensioning component, the image imaging mechanism comprises a logo piece and a logo fixing disc, the logo piece is fixed in the logo fixing disc, the first rotation driving piece is connected with the logo fixing disc through the first transmission component, the tensioning component is connected with the first transmission component, and the tensioning component adjusts the tensioning state of the first transmission component.

Still preferably, the image rotation mechanism further comprises a second rotation assembly, the second rotation assembly comprises a second rotation driving member and a second transmission assembly, the image imaging mechanism further comprises a glass disc assembly, the second rotation driving member is connected with the glass disc assembly through the second transmission assembly, a part of the glass disc assembly is overlapped with the logo sheet, the glass disc assembly comprises a glass disc, or the glass disc assembly comprises a plurality of glass sheets, and the plurality of glass sheets have at least two colors.

Still preferably, the image rotation mechanism comprises a second rotation assembly, the second rotation assembly comprises a second rotation driving piece and a second transmission assembly, the image imaging mechanism comprises a logo fixing disc, the second rotation driving piece drives the logo fixing disc to rotate through the second transmission assembly, and a plurality of logo sheets are arranged on the logo fixing disc along the rotation direction.

Further preferably, the image rotation mechanism comprises two second rotation assemblies, the image imaging mechanism comprises two glass disc assemblies, the two glass disc assemblies are respectively connected with the two second rotation assemblies, and the two glass disc assemblies at least partially overlap; or the image imaging mechanism comprises two glass disc components and logo pieces, the two glass disc components are respectively connected with the two second rotating components, and the logo pieces and the two glass disc components are at least partially overlapped; both glass disc assemblies comprise glass discs, or one glass disc assembly comprises a glass disc and the other glass disc assembly comprises a plurality of glass sheets having at least two colors.

Still preferably, still be fixed with image focusing device on the casing, image focusing device includes first adjusting part, second adjusting part and adjusts the slide bar, first adjusting part, second adjusting part and casing rotate to be connected, first adjusting part links to each other with first imaging lens subassembly, second adjusting part links to each other with second imaging lens subassembly, first imaging lens subassembly, second imaging lens subassembly all with adjust slide bar sliding connection, first adjusting part drives first imaging lens subassembly and slides back and forth on adjusting the slide bar, second adjusting part drives second imaging lens subassembly and slides back and forth on adjusting the slide bar.

Further preferably, the projection lamp further comprises two power supplies, wherein the two power supplies are respectively and electrically connected with the LED light source assembly, the power supplies are fixed at the bottom of the shell, and the power supplies are connected with the LED light source assembly, the main radiator assembly and the auxiliary radiator assembly through the connector assembly; the projection lamp shell further comprises a bottom cover, the bottom cover is fixed at the bottom of the shell, the bottom cover covers the power supply between the bottom cover and the shell, and the bottom cover is provided with vent holes.

Further preferably, the projection lamp further comprises a supporting leg and a leg adjusting assembly, the supporting leg is movably hinged with the shell, the leg adjusting assembly comprises an adjusting rod and fastening bolts, adjusting grooves are respectively formed in two opposite sides of the supporting leg, and the fastening bolts penetrate through the adjusting grooves and are movably connected with the adjusting rod; the projection lamp shell comprises a shell body and a top cover movably hinged with the shell body, and the top cover is movably connected with the shell body through a latch; the shell is internally provided with a moisture absorber and a controller, the controller is electrically connected with the LED light source assembly, the main radiator assembly and the auxiliary radiator assembly, and the controller is provided with a communication module.

Compared with the prior art, the projection lamp has the following beneficial effects:

1. be provided with the ventilation grid on the back cover, the setting of ventilation grid can reach better radiating effect, and the ventilation grid of slope setting can also protect main radiator assembly to avoid polluting simultaneously, prevents to come from the piece entering main radiator assembly in the environment. The auxiliary radiator assembly is obliquely arranged in the projection lamp housing, and external cold air flows into the projection lamp housing to radiate heat of components in the projection lamp housing, so that the service life of the projection lamp is further prolonged. One end of the radiating pipe of the auxiliary radiator component extends to one side of the radiating fan of the main radiator component, heat in the projection lamp shell can be led out into the back cover, and the heat is discharged to the outside of the projection lamp through the radiating fan and the ventilation grille of the main radiator component. Two heat dissipation fans are arranged on the main heat radiator component and the auxiliary heat radiator component, when one heat dissipation fan fails, the other heat dissipation fan can continue to work, and the heat dissipation cycle in the projection lamp cannot be damaged. Since the operating temperature of the radiator fan is-10 ° to +70°, if this temperature range is exceeded, the radiator fan may fail, and since the radiator fan is provided on the primary radiator assembly or the auxiliary radiator assembly, the temperature entering the radiator fan does not exceed +70°.

2. The projection lamp is provided with the image rotating mechanism and the image imaging mechanism, and the image rotating mechanism can drive the image imaging mechanism to rotate. When the image imaging mechanism is in a static state, the light source of the LED light source assembly passes through the second imaging lens assembly, the first imaging lens assembly, the image of the image imaging mechanism and the condensing lens assembly and then projects, and at the moment, a static image is projected; when the image rotating mechanism drives the image imaging mechanism to rotate, the dynamic image is projected; when the image rotation mechanism drives the image imaging mechanism to rotate to different images, different static images are projected. According to the utility model, the image rotation mechanism is arranged to drive the image imaging mechanism to rotate, so that the display of at least two different image projections can be realized, and different use requirements of customers are met.

3. The logo piece is arranged on the image imaging mechanism, when the image imaging mechanism is in a static state, a static picture on the logo piece is projected, and when the image imaging mechanism rotates, a dynamic image is projected. Under the premise of not changing the overall design of the projection lamp, one projection lamp can show different projection effects by changing the image adjusting device, so that the functions of the projection lamp are more diversified, and the projection effect is better.

4. The image rotating mechanism further comprises a second rotating component, and the second rotating component drives the glass disc with the optical effect to rotate so as to obtain a dynamic background image; or the second rotating component drives the glass sheets with different colors to rotate, so that dynamic or static images with different colors can be obtained. Through the setting of second rotating assembly and glass dish subassembly, richer the projection effect of projection lamp.

5. An image focusing device is fixed on the shell, and the first imaging lens component and the second imaging lens component can be driven to move back and forth through the image focusing device. The optical zooming is realized through the positions of the first imaging lens component and the second imaging lens component, so that the focal length of the projection lamp and the size of the projected image are adjusted. The image focusing device is convenient for adjusting the size of the projected image, and the adjusting device is simple and convenient.

6. The casing of projection lamp and top cap activity hinge, and the top cap can open or close relative casing. When the components inside the projection lamp shell fail, the maintenance of the projection lamp can be realized by opening the top cover. The hinged design of the projection lamp shell and the top cover makes the maintenance and assembly of the projection lamp more convenient and easy.

For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.

Drawings

Fig. 1 is a schematic view of a partial explosion of a projection lamp according to an embodiment.

Fig. 2 is another schematic partial exploded view of a projection lamp according to an embodiment.

Fig. 3 is an exploded view of a projection lamp according to the first embodiment.

Fig. 4 is another exploded view of the projection lamp of the first embodiment.

Fig. 5 is a schematic structural diagram of an image focusing apparatus of the first embodiment.

Fig. 6 is a schematic structural diagram of an image adjusting apparatus of the first embodiment.

Fig. 7 is a schematic structural diagram of an image adjusting apparatus of the second embodiment.

Fig. 8 is a schematic structural view of an image adjusting apparatus of the third embodiment.

Fig. 9 is a schematic structural view of an image adjusting apparatus of the fourth embodiment.

Fig. 10 is a schematic structural diagram of an image adjusting apparatus of the fifth embodiment.

Fig. 11 is a schematic structural view of an image adjusting apparatus of the sixth embodiment.

Fig. 12 is a schematic structural diagram of an image adjusting apparatus of the seventh embodiment.

Detailed Description

Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible mentioned in this specification are defined with respect to their construction, and they are relative concepts. Therefore, the position and the use state of the device may be changed accordingly. These and other directional terms should not be construed as limiting terms.

The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of implementations consistent with aspects of the present disclosure.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

Example 1

As shown in fig. 1 to 4, the present embodiment discloses a projection lamp, which includes a projection lamp housing 10, the projection lamp housing 10 includes a housing 11 and a top cover 12, and one side of the top cover 12 is movably hinged with one side of the housing 11 through a hinge. The other side of the top cover 12 is movably connected with the shell 11 through a latch 13, a sealing ring 14 is arranged on the top cover 12, the top cover 12 can be opened or closed relative to the shell 11, and when the top cover 12 is closed, the sealing connection with the shell 11 is realized through the sealing ring 14. When the components inside the projection lamp housing 11 fail, maintenance of the projection lamp can be achieved by opening the top cover 12. The hinged design of the projection lamp housing 11 and the top cover 12 makes the maintenance and assembly of the projection lamp more convenient and easy. To achieve projection, an LED light source unit 20, a condenser lens unit 30, a first imaging lens unit 40, and a second imaging lens unit 50 are fixed to the housing 11. The condenser lens assembly 30, the first imaging lens assembly 40, the second imaging lens assembly 50, and the LED light source assembly 20 are arranged in a linear array on the light source channel of the projection lamp. A light shield 15 is fixed on the shell 11, a light hole is arranged in the middle of the light shield 15, and a condensing lens component 30 is arranged in the light hole. The condenser lens assembly 30 plays a condensing role, and the first imaging lens assembly 40 and the second imaging lens assembly 50 play an imaging role. The condenser lens assembly 30, the first imaging lens assembly 40, and the second imaging lens assembly 50 are all optical lenses.

In order to achieve different projection effects, in one embodiment, the projection lamp may further comprise an image adjusting device 60, wherein the image adjusting device 60 is disposed between the condenser lens assembly 30 and the first imaging lens assembly 40 _。 Further, as shown in fig. 6, the image adjusting device 60 may include a fixed gimbal plate 61, an image rotating mechanism 62, and an image forming mechanism 63. The image rotating mechanism 62 is fixed on the fixed universal plate 61, the image rotating mechanism 62 is connected with the image imaging mechanism 63, and the image rotating mechanism 62 drives the image imaging mechanism 63 to rotate so as to realize the display of at least two different image projections.

Further, to achieve the display of different image projections, the image rotation mechanism 62 includes a first rotary drive assembly including a first rotary drive 620, a first transmission assembly 621, and a tensioning assembly 622. The image forming mechanism 63 includes a logo plate 630 and a logo fixing plate 631, and the logo plate 630 is fixed in the logo fixing plate 631. The first rotary driving unit 620 is connected with the logo fixing plate 631 through a first transmission assembly 621, the tensioning assembly 622 is connected with the first transmission assembly 621, and the tensioning assembly 622 adjusts the tensioning state of the first transmission assembly 621. Further, the first transmission assembly 621 includes a first transmission driving wheel 6210 and a first transmission belt 6211, the first rotary driving member 620 is connected to the first transmission driving wheel 6210, and the first transmission driving wheel 6210 is connected to the logo fixing plate 631 through the first transmission belt 6211. When the first rotary driving member 620 rotates, the first driving wheel 6210 is driven to rotate, and the first driving wheel 6210 drives the logo fixing disc 631 to rotate through the first driving belt 6211, so as to drive the logo sheet 630 to rotate.

The tensioning assembly 622 is used to adjust the tension of the first transmission assembly 621. The tensioning assembly 622 includes a tensioning spring 6220, a tensioning plate 6221 and a tensioning wheel 6222, wherein the middle portion of the tensioning plate 6221 is rotatably hinged to the fixed gimbal plate 61, the tensioning wheel 6222 is fixed to one end of the tensioning plate 6221, and the tensioning wheel 6222 is connected to the first belt 6211. One end of the tension spring 6220 is fixed to the fixed gimbal plate 61, and the other end of the tension spring 6220 is connected to the other end of the tension adjustment plate 6221. The tensioning spring 6220 pulls the tensioning adjusting plate 6221 to enable the tensioning wheel 6222 to be in contact with the first driving belt 6211 all the time, so that the tightness degree of the first driving belt 6211 is adjusted, and the service life and reliability of the first driving belt 6211 are prolonged.

The logo sheet 630 is disposed on the image imaging mechanism 63 of the present embodiment, and the light source of the led light source assembly 20 passes through the second imaging lens assembly 50, the first imaging lens assembly 40, the logo sheet 630 and the condensing lens assembly 30 to project the picture on the logo sheet 630. When the image imaging mechanism 63 is in a stationary state, a still picture on the logo sheet 630 is projected, and when the image imaging mechanism 63 is rotated, a moving image is projected. Under the premise of not changing the overall design of the projection lamp, the embodiment can enable one projection lamp to display different projection effects by changing the image adjusting device 60, so that the functions of the projection lamp are more diversified, and the projection effect is better. Preferably, the first rotary drive 620 is a magnetically braked motor that avoids shifting of the image position during a power outage.

In order to dissipate heat generated by the projection lamp, the main heat sink assembly 70 and the auxiliary heat sink assembly 80 are further fixed to the projection lamp housing 11 in this embodiment. The LED light source assembly 20 is connected to the main radiator assembly 70, and the main radiator assembly 70 is fixed with two heat dissipation fans 71 and heat dissipation pipes 72, wherein the two heat dissipation fans 71 are respectively fixed to opposite side edges of the main radiator assembly 70, and the heat dissipation fans 71 are axial flow fans. A back cover 16 is secured to the rear side of projection lamp housing 10 and a primary heat sink assembly 70 is secured within back cover 16. Since primary heat sink assembly 70 is secured within back cover 16, a closed space is formed around primary heat sink assembly 70, and heat dissipating fan 71 can operate more efficiently, improving the efficiency of operation, and thus the weight and overall size of primary heat sink assembly 70 can be reduced with the same efficiency of operation.

In this embodiment, the ventilation grille 160 is disposed at both side edges of the back cover 16, and the upper side edge of the ventilation grille 160 is disposed at an angle to the inside upper side of the back cover 16 with respect to the bottom side edge. The provision of ventilation grille 160 may provide better heat dissipation while the inclined provision of ventilation grille 160 may also protect primary radiator assembly 70 from contamination, preventing debris from the environment from entering primary radiator assembly 70.

Auxiliary heat sink assembly 80 is fixed in housing 11, and auxiliary heat sink assembly 80 is disposed obliquely in a direction approaching image adjustment device 60, second imaging lens assembly 50, and first imaging lens assembly 40. A radiator fan 71 and a radiator pipe 72 are also fixed to the auxiliary radiator module 80, and the radiator fan 71 is also an axial flow fan. One end of radiating pipe 72 of auxiliary radiator assembly 80 extends into back cover 16 and is disposed on one side of radiator fan 71 of main radiator assembly 70. Since the auxiliary radiator assembly 80 is also provided with the two radiator fans 71, circulation of air inside the housing 11 is ensured, and heat dissipation and temperature reduction inside the entire housing 11 are ensured. Auxiliary radiator assembly 80 is disposed obliquely in a direction toward image adjustment device 60, and the cooling air flows toward image adjustment device 60 for cooling, thereby improving the service life of image adjustment device 60 and the like. The heat dissipating tube 72 of the auxiliary radiator assembly 80 conducts heat from the housing 11 into the back cover 16, and dissipates the heat through the heat dissipating fan 71 and the ventilation grill 160 of the main radiator assembly 70, thereby further enhancing the heat dissipation effect. The heat dissipation tube 72 of the main heat dissipation assembly 70 and the auxiliary heat dissipation assembly 80 is a heat dissipation copper tube.

In order to achieve the scaling of the projection image, an image focusing device 90 is also fixed to the housing 11. As shown in fig. 5, the image focusing apparatus 90 includes a first adjusting member 91, a second adjusting member 92, and an adjusting slide bar 93. The first adjusting assembly 91 and the second adjusting assembly 92 are rotatably connected with the housing 11, the first adjusting assembly 91 is connected with the first imaging lens assembly 40, and the second adjusting assembly 92 is connected with the second imaging lens assembly 50. The first imaging lens assembly 40 and the second imaging lens assembly 50 are both in sliding connection with the adjusting slide rod 93, the first adjusting assembly 91 drives the first imaging lens assembly 40 to slide back and forth on the adjusting slide rod 93, and the second adjusting assembly 92 drives the second imaging lens assembly 50 to slide back and forth on the adjusting slide rod 93.

In order to achieve adjustment of the first imaging lens assembly 40 and the second imaging lens assembly 50, the first adjustment assembly 91 and the second adjustment assembly 92 each include an adjustment screw 910 and an adjustment fixing plate 911. The first imaging lens assembly 40 and the second imaging lens assembly 50 are disposed between the front side of the housing 11 and the adjustment fixing plate 911, and one end of the adjustment screw 910 is rotatably connected to the adjustment fixing plate 911 through the front side of the housing 11. The two adjusting slide rods 93 are respectively arranged at two opposite sides of the first imaging lens assembly 40 and the second imaging lens assembly 50.

To facilitate adjustment of the adjustment screw 910, an adjustment nut of the adjustment screw 910 is disposed on the outer front side of the housing 11. When the positions of the first imaging lens assembly 40 and the second imaging lens assembly 50 need to be adjusted, the adjusting screw 910 is rotated by rotating the adjusting nut of the adjusting screw 910, and the adjusting screw 910 drives the first imaging lens assembly 40 or the second imaging lens assembly 50 to slide on the adjusting slide rod 93 in the rotating process, so that the position adjustment is realized. Optical zoom is achieved by the position of the first imaging lens assembly 40, the second imaging lens assembly 50, thereby adjusting the focal length of the projection lamp, the size of the projected image, and the sharpness. Adjustment of the projected image size is facilitated by the image focusing device 90, which is simple and convenient.

In order to supply power to the projection lamp, as shown in fig. 4, the projection lamp of the present embodiment further includes two power supplies 100, where the two power supplies 100 are electrically connected to the LED light source assembly 20, and the LED light source assembly 20 is powered by the two power supplies 100. Due to the two power supplies 100, when one power supply 100 fails, the LED light source assembly 20 can work without affecting the use of the projection lamp. The power supply 100 is fixed to the bottom of the housing 11, the projection lamp housing 10 further includes a bottom cover 17, the bottom cover 17 is fixed to the bottom of the housing 11, and the bottom cover 17 covers the power supply 100 between the bottom cover 17 and the housing 11. The vent holes are formed in the bottom cover 17, the vent holes are arranged on the front side and the rear side of the bottom cover 17, heat generated by the power supply 100 during operation is dissipated through the vent holes in the bottom cover 17, the convection effect is improved due to the arrangement of the vent holes, and the heat dissipation effect is better.

Power supply 100 also supplies power to primary heat sink assembly 70, auxiliary heat sink assembly 80. In order to achieve connection of power supply 100 to LED light source assembly 20, primary heat sink assembly 70, auxiliary heat sink assembly 80, an electrical connector 110 is also provided on the projection lamp, and power supply 100 is connected to LED light source assembly 20, primary heat sink assembly 70, auxiliary heat sink assembly 80 via electrical connector 110. Preferably, the electrical connector 110 directly connected with the power supply 100 is a Y-type waterproof two-end connector, and a fuse is arranged on the connector, so that the fuse burns out in the electrical connector 110 under the condition of short circuit, and the power supply 100 is protected. The projection lamp is also provided with an L-shaped electric connector and a long thread connector with positioning, and the power supply 100 is connected with each component needing power supply through various electric connectors.

The LED light source assembly 20 of the present embodiment provides a light source through the LED chip, the LED chip in the LED light source assembly 20 is powered by two power supplies 100 and two circuits, and when one power supply 100 or circuit fails, the other power supply 100 and circuit normally operates, and the brightness of the projection lamp will be lost by 34%.

The projection lamp further comprises a support leg 120 and a leg adjusting assembly 130, wherein the support leg 120 is movably hinged with the projection lamp housing 10. The leg adjusting assembly 130 comprises an adjusting rod 131 and fastening bolts 132, wherein adjusting grooves 133 are respectively formed in two opposite sides of the supporting leg 120, the fastening bolts 132 penetrate through the adjusting grooves 133 and are movably connected with the adjusting rod 131, and the fastening caps of the fastening bolts 132 are arranged on the outer sides of the supporting leg 120. When the fastening bolt 132 is loosened, the position of the adjustment lever 131 can be adjusted up and down in the adjustment groove 133. Preferably, there are two adjustment assemblies, one above the other on the support leg 120.

In order to dehumidify the inside of the projection lamp, a moisture absorber 140 is installed in the housing 11, and a moisture absorbing material in the moisture absorber 140 is silica gel, and when moisture is absorbed, the color of the moisture absorbing material changes. The moisture level in the case 11 can be reduced by providing the moisture absorber 140, and fogging of the optical lens of the lens can be prevented.

In this embodiment, the controller 150 of the projection lamp is disposed inside the housing 11, and the controller 150 is electrically connected to the LED light source module 20, the image adjusting device 60, the main heat sink module 70, the auxiliary heat sink module 80, and the power supply 100. The arrangement of the controller 150 inside the housing 11 eliminates the influence of weather and other reasons on the controller 150, and prolongs the service life thereof. In addition, since the controller 150 is disposed inside the housing 11, the controller 150 does not need to be sealed, and the cost is reduced.

In order to realize the control of the projection lamp, a communication module is provided on the controller 150. The communication module is connected with the mobile terminal through 4G, wifi or Bluetooth and the like, and intelligent control of the projection lamp is carried out through the mobile terminal.

The housing 11, the primary heat sink assembly 70, the auxiliary heat sink assembly 80, the adjusting screw 910, the universal fixing plate, etc. of the projection lamp are all made of an aluminum alloy material. The back cover 16, the top cover 12, the bottom cover 17, the moisture absorber 140 and the light shield 15 of the projection lamp are all made of polymer materials with PA66GF30 added with glass fibers, so that the weight of the projection lamp is reduced. The support legs 120 are made of steel.

The safety ring 160 is also fixed on the projection lamp in this embodiment, and when the projection lamp is installed, the safety ring 160 can be connected through a steel wire rope, so that the projection lamp can be prevented from falling after the supporting legs 120 of the projection lamp are broken.

Example two

The present embodiment also discloses a projection lamp, unlike the first embodiment, as shown in fig. 7, the image rotation mechanism 62 of the present embodiment includes a second rotation assembly 64, and the second rotation assembly 64 includes a second rotation driving member 640 and a second transmission assembly. The image imaging mechanism 63 includes a logo fixing plate 631, the second rotary driving member 640 is connected to the logo fixing plate 631 through a second transmission assembly, and the second rotary driving member 640 drives the logo fixing plate 631 to rotate through the second transmission assembly. A plurality of Logo pieces 630 are provided on the Logo disc along the rotation direction.

The second transmission assembly includes a second transmission driving wheel 641, a second transmission driven wheel 642, and a rotation shaft 643. The second rotary driver 640 is connected to a second driving wheel 641, the second driving wheel 641 is connected to a second driven transmission wheel through a transmission belt, and the rotary shaft 643 is connected to the second driven transmission wheel. logo fixing plate 631 is fixed to rotary shaft 643.

The second rotary driving member 640 drives the second driving wheel 641 to rotate, the second driving wheel 641 drives the second driven wheel 642 to rotate through a driving belt, and the second driven wheel 642 rotates the shaft 643 to further drive the logo fixing plate 631 to rotate. Preferably, the second rotary drive 640 is an electric motor.

In this embodiment, a plurality of logo sheets 630 are disposed on the logo fixing disc 631, and when the second rotation driving member 640 drives the logo fixing disc 631 to rotate, a plurality of different static projection images can be displayed.

Example III

The present embodiment will be described below with reference to fig. 6 and 7.

The present embodiment also discloses a projection lamp, unlike the first embodiment, the image rotation mechanism 62 of the present embodiment further includes a second rotation assembly 64, and the second rotation assembly 64 includes a second rotation driving member 640 and a second transmission assembly. The second transmission assembly includes a second transmission driving wheel 641, a second transmission driven wheel 642, and a rotation shaft 643. The second rotary driver 640 is connected to a second driving wheel 641, the second driving wheel 641 is connected to a second driven transmission wheel through a transmission belt, and the rotary shaft 643 is connected to the second driven transmission wheel.

As shown in fig. 8, the image rotation mechanism 62 further includes a glass disc assembly 632, the glass disc assembly 632 is fixed on a rotation shaft 643, and the second rotation assembly 64 can drive the glass disc assembly 632 to rotate. Portions of glass disk assembly 632 always overlap logo sheet 630. Preferably, the glass disc assembly 632 of the present embodiment is a glass disc having an optical effect.

In this embodiment, the static or dynamic image on logo sheet 630 can be combined with the dynamic optical effect background on the glass plate to form a projected image with optical effect, such as a flag that is turned in the wind

Example IV

The present embodiment also discloses a projection lamp, unlike the third embodiment, the glass disk assembly 632 of the present embodiment includes a plurality of glass sheets 6320, as shown in fig. 9, the plurality of glass sheets 6320 being disposed along the rotation direction of the glass disk assembly 632. The plurality of glass sheets 6320 may have at least two different colors, and each glass sheet 6320 may be provided with a different color.

In this embodiment, the static or dynamic images on Logo sheet 630 can be combined with various different colored glass sheets 6320 to present projected images of different colors.

Example five

The present embodiment will be described below with reference to fig. 7.

The present embodiment also discloses a projection lamp, unlike the first embodiment, the image rotation mechanism 62 of the present embodiment includes two second rotation members 64. The second rotary assembly 64 includes a second rotary drive 640 and a second transmission assembly. The second transmission assembly includes a second transmission driving wheel 641, a second transmission driven wheel 642, and a rotation shaft 643. The second rotary driver 640 is connected to a second driving wheel 641, the second driving wheel 641 is connected to a second driven transmission wheel through a transmission belt, and the rotary shaft 643 is connected to the second driven transmission wheel.

As shown in fig. 10, the image forming mechanism 63 includes two glass disc assemblies 632, the two glass disc assemblies 632 are respectively connected with the rotating shafts 643 of the two second rotating assemblies 64, and the two second rotating assemblies 64 respectively drive the two glass disc assemblies 632 to rotate. The two glass disc assemblies 632 at least partially overlap. Both glass disc assemblies 632 are optically effective glass discs.

In this embodiment, two glass plates with optical effects are used to overlap, and a dynamic background image, such as a water effect or a fire effect, can be obtained after projection.

Example six

As shown in fig. 11, the present embodiment also discloses a projection lamp, and unlike the fifth embodiment, the image forming mechanism 63 of the present embodiment includes two glass plate assemblies 632 and one logo plate 630. The two glass disk assemblies 632 are respectively connected with the rotating shafts 643 of the two second rotating assemblies 64, the two second rotating assemblies 64 respectively drive the two glass disk assemblies 632 to rotate, and the logo piece 630 is arranged between the two glass disk assemblies 632. logo piece 630 is fixed to fixed gimbal plate 61.

Both glass disk assemblies 632 of this embodiment are glass disks with optical effects, and the logo sheet 630 and both glass disks are at least partially overlapped. Logo sheet 630, used in combination with two optically effective glass discs, can superimpose dynamic optical effects, such as flame effects, combustion effects, on the still image.

Example seven

As shown in fig. 12, this embodiment also discloses a projection lamp, unlike the fifth embodiment, the image forming mechanism 63 of this embodiment includes two glass disc assemblies 632, the two glass disc assemblies 632 are respectively connected with the rotating shafts 643 of the two second rotating assemblies 64, and the two second rotating assemblies 64 respectively drive the two glass disc assemblies 632 to rotate. The two glass disc assemblies 632 at least partially overlap. One of the glass disc assemblies 632 is a glass disc having an optical effect, the other glass disc assembly 632 includes a plurality of glass sheets 6320, the plurality of glass sheets 6320 have at least two colors, and the plurality of glass sheets 6320 may be respectively provided with different colors.

The present embodiment combines a glass disk having an optical effect with a glass sheet 6320 having a different color, and can obtain dynamic background images having a different color, such as a water effect, a fire effect.

In various embodiments of the present utility model, the fixed gimbal plate 61, the image rotation mechanism 62, and the image imaging mechanism 63 are configured to be installed in a modular manner, facilitating the replacement of the image rotation mechanism 62 and the image imaging mechanism 63 in the above seven embodiments. Under the condition of not changing the integral structure of the projection lamp, the projection of different types of images can be realized, and the working range of the projection lamp is enlarged. The image rotating mechanism 62 can be freely disassembled and assembled, so that different image imaging mechanisms 63 can be conveniently matched, and different projection effects can be realized.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (10)

1. The projection lamp is characterized by comprising a projection lamp shell, wherein an LED light source assembly, a condensing lens assembly, a first imaging lens assembly, a second imaging lens assembly, a main radiator assembly and an auxiliary radiator assembly are fixed on the projection lamp shell, the condensing lens assembly, the first imaging lens assembly, the second imaging lens assembly and the LED light source assembly are linearly arranged on a light source channel of the projection lamp, the LED light source assembly is connected with the main radiator assembly, a back cover is fixed on the rear side of the projection lamp shell, the main radiator assembly is fixed inside the back cover, the auxiliary radiator assembly is fixed inside the projection lamp shell, and the auxiliary radiator assembly is obliquely arranged in a direction close to the second imaging lens assembly and the first imaging lens assembly.

2. The projection lamp of claim 1, wherein the main radiator assembly and the auxiliary radiator assembly are respectively fixed with a radiator fan and a radiator pipe, the radiator fans of the main radiator assembly are arranged on two opposite sides of the main radiator assembly, a ventilation grille is arranged on the back cover at a position corresponding to the radiator fans, and the upper side edge of the ventilation grille is obliquely arranged towards the upper inner part of the back cover relative to the side edge of the back cover; the air outlet of the cooling fan of the auxiliary radiator assembly faces the second imaging lens assembly and the first imaging lens assembly, and one end of the cooling tube of the auxiliary radiator assembly extends to one side of the cooling fan of the main radiator assembly.

3. The projection lamp of claim 1, wherein the projection lamp housing is further provided with an image adjusting device, the image adjusting device is disposed between the condenser lens assembly and the first imaging lens assembly, the image adjusting device comprises a fixed universal plate, an image rotating mechanism and an image imaging mechanism, the image rotating mechanism is fixed on the fixed universal plate, the image rotating mechanism is connected with the image imaging mechanism, and the image rotating mechanism drives the image imaging mechanism to rotate so as to display at least two different images.

4. A projection lamp as claimed in claim 3, characterized in that: the image rotation mechanism comprises a first rotation driving component, the first rotation driving component comprises a first rotation driving piece, a first transmission component and a tensioning component, the image imaging mechanism comprises a logo piece and a logo fixing disc, the logo piece is fixed in the logo fixing disc, the first rotation driving piece is connected with the logo fixing disc through the first transmission component, the tensioning component is connected with the first transmission component, and the tensioning component adjusts the tensioning state of the first transmission component.

5. The projection lamp of claim 4 wherein: the image rotating mechanism further comprises a second rotating assembly, the second rotating assembly comprises a second rotating driving piece and a second transmission assembly, the image imaging mechanism further comprises a glass disc assembly, the second rotating driving piece is connected with the glass disc assembly through the second transmission assembly, part of the glass disc assembly is overlapped with the logo piece, the glass disc assembly comprises a glass disc, or the glass disc assembly comprises a plurality of glass sheets, and the plurality of glass sheets have at least two colors.

6. A projection lamp as claimed in claim 3, characterized in that: the image rotating mechanism comprises a second rotating assembly, the second rotating assembly comprises a second rotating driving piece and a second transmission assembly, the image imaging mechanism comprises a logo fixing disc, the second rotating driving piece drives the logo fixing disc to rotate through the second transmission assembly, and a plurality of logo sheets are arranged on the logo fixing disc along the rotating direction.

7. A projection lamp as claimed in claim 3, characterized in that: the image rotation mechanism comprises two second rotation components, the image imaging mechanism comprises two glass disc components, the two glass disc components are respectively connected with the two second rotation components, and the two glass disc components at least partially overlap; or the image imaging mechanism comprises two glass disc components and logo pieces, the two glass disc components are respectively connected with the two second rotating components, and the logo pieces and the two glass disc components are at least partially overlapped; both glass disc assemblies comprise glass discs, or one glass disc assembly comprises a glass disc and the other glass disc assembly comprises a plurality of glass sheets having at least two colors.

8. The projection lamp of any one of claims 1 to 7, wherein an image focusing device is further fixed on the housing, the image focusing device comprises a first adjusting component, a second adjusting component and an adjusting slide rod, the first adjusting component and the second adjusting component are rotationally connected with the housing, the first adjusting component is connected with the first imaging lens component, the second adjusting component is connected with the second imaging lens component, the first imaging lens component and the second imaging lens component are both in sliding connection with the adjusting slide rod, the first adjusting component drives the first imaging lens component to slide back and forth on the adjusting slide rod, and the second adjusting component drives the second imaging lens component to slide back and forth on the adjusting slide rod.

9. The projection lamp of any one of claims 1 to 7, further comprising two power supplies electrically connected to the LED light source assembly, respectively, the power supplies being fixed to the bottom of the housing, the power supplies being connected to the LED light source assembly, the primary heat sink assembly, and the auxiliary heat sink assembly through the connector assembly; the projection lamp shell further comprises a bottom cover, the bottom cover is fixed at the bottom of the shell, the bottom cover covers the power supply between the bottom cover and the shell, and the bottom cover is provided with vent holes.

10. The projection lamp of any one of claims 1 to 7, further comprising a supporting leg and a leg adjusting assembly, wherein the supporting leg is movably hinged with the housing, the leg adjusting assembly comprises an adjusting rod and fastening bolts, adjusting grooves are respectively arranged on two opposite sides of the supporting leg, and the fastening bolts pass through the adjusting grooves and are movably connected with the adjusting rod; the projection lamp shell comprises a shell body and a top cover movably hinged with the shell body, and the top cover is movably connected with the shell body through a latch; the shell is internally provided with a moisture absorber and a controller, the controller is electrically connected with the LED light source assembly, the main radiator assembly and the auxiliary radiator assembly, and the controller is provided with a communication module.

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