CN219039554U

CN219039554U - White light projector

Info

Publication number: CN219039554U
Application number: CN202223549857.8U
Authority: CN
Inventors: 王大荣; 张劲峰; 王博文
Original assignee: Hefei Zhengjie Intelligent Technology Co ltd
Current assignee: Hefei Zhengjie Intelligent Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-16
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a white light projector, which relates to the technical field of projectors and comprises a shell, wherein a radiating fin is fixedly connected to the bottom of an inner cavity of the shell, a sliding piece for drainage and dust prevention is arranged on one side of the radiating fin, a supporting block is fixedly connected to one side, far away from the radiating fin, of the bottom of the inner cavity of the shell, a lens is connected to the upper end of the supporting block in a sliding manner, and a dust cover is connected to the inner part of one side, close to the lens, of the shell in a sliding manner. According to the utility model, the adjusting mechanism is matched with the sliding part and the driven component for use, when the projector is not used, the drainage key blocks the vent hole, the lens is retracted, the dust cover blocks the lens, the side plate is attached to the shell, the integral tightness of the device is improved, dust is effectively prevented from entering, when the projector is used, the drainage key guides air flow to enable the air pressure inside the device to be greater than the air pressure outside, the dust can be prevented from entering the device along with the air flow by matching with the detachable dust screen, and the side plate is separated from the shell, so that the heat dissipation effect of the device can be effectively improved.

Description

White light projector

Technical Field

The utility model relates to the technical field of projectors, in particular to a white light projector.

Background

The light source of projecting apparatus at the during operation can produce a large amount of heat, and the heat dissipation mode to projecting apparatus at present mainly connects the light source through the radiator, and the radiator passes through heat conduction copper pipe connection radiating fin and exports the heat. However, the heat dissipation effect is poor, heat cannot be effectively conducted out, or a large amount of heat is transmitted to the display screen, so that the display screen is too high in temperature, black spot signs appear on the display screen, the lumen degree is reduced, and the using effect and the service life of the projector are seriously affected.

As disclosed in chinese patent publication No. CN213545026U, the heat dissipating device of a projector and the projector, where the heat dissipating device includes an integrally formed heat sink connected to the light source, a heat conducting member connecting the light source and the heat sink, at least one air inlet and at least one air outlet provided on the housing, and at least one heat dissipating fan for generating air flow to exchange heat inside and outside the projector.

The device does not do dustproof processing to camera lens and casing inner chamber when improving the heat dissipation, and the dust is piled up on air intake and camera lens easily to influence heat dissipation and camera lens display effect, wipe the camera lens repeatedly and also can let the camera lens receive the damage.

Disclosure of Invention

The present utility model is directed to a white light projector, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a white light projector, includes the casing, casing inner chamber bottom fixedly connected with fin, one side of fin is provided with the slider that is used for drainage and dirt-proof, one side fixedly connected with supporting shoe that the fin was kept away from to casing inner chamber bottom, supporting shoe upper end sliding connection has the camera lens, one side inside sliding connection that the casing is close to the camera lens has the shield, camera lens upper portion is provided with the follower assembly that is used for promoting camera lens and shield horizontal migration, casing inner chamber bilateral symmetry is provided with two adjustment mechanism that are used for driving slider and follower assembly motion.

As a further scheme of the utility model: the adjusting mechanism comprises a shell, an inner rod is slidably connected to the inner cavity of the shell, two symmetrical limiting grooves are formed in two sides of the inner cavity of the shell, two symmetrical limiting columns are fixedly connected to one end of the inner rod, a rotating column is fixedly connected to the other end of the inner rod, outer rods are rotatably connected to two sides of the rotating column, a rotating button is fixedly connected to one end of the outer rod, far away from the rotating column, of the outer rod, and a side plate is rotatably connected to one end of the outer rod, far away from the rotating button.

As a further scheme of the utility model: the sliding part comprises a drainage key, a chute is formed in the bottom of an inner cavity of the shell, the drainage part is connected with the shell in a sliding mode through the chute, a spring is fixedly connected to the middle of one end of the drainage key, a connecting plate is fixedly connected to one end of the spring away from the drainage key, a rope groove is fixedly connected to the upper portion of one side of the connecting plate away from the spring, a rope is fixedly connected to the middle of one end of the drainage key, the rope penetrates through the spring and the connecting plate and is fixedly connected with one end of the inner rod away from the rotary column around the rope groove, and one end of the side plate is fixedly connected to the upper portion of the connecting plate and the outer shell.

As a further scheme of the utility model: the driven component comprises a connecting frame, the lower part of the connecting frame is fixedly connected with a lens, a support column is fixedly connected with the middle part of the upper end of the connecting frame, two symmetrical support plates are slidably connected to the two sides of the connecting frame, a movable groove is formed in one side, close to the connecting frame, of each support plate, a guide plate is slidably connected to the outer wall of each support column, and one end, far away from the support column, of each guide plate is slidably connected with an inner cavity of the shell.

As a further scheme of the utility model: the guide plate comprises a straight plate and an inclined plate, wherein the upper end of one side of the straight plate, which is close to the support post, is fixedly connected with the lower end of an inner rod, which is close to the lens, is fixedly connected with a telescopic rod, one end of the telescopic rod, which is far away from the inner rod, is provided with the dust cover, and the length of the straight plate of the guide plate is equal to that of the dust cover.

As a further scheme of the utility model: the side of the radiating fin far away from the side plate is fixedly connected with a light source part, the two sides of the light source part are fixedly connected with a light guide plate, the side of the light guide plate far away from the light source is positioned far away from the lens, one side of the lens close to the side plate is fixedly connected with a sealing plate, the upper ends of the two light guide plates are fixedly connected with a light shielding plate together, the upper ends of the radiating fin are fixedly connected with a main plate, one side of the inner cavity of the shell far away from the sliding part is fixedly connected with two symmetrical fans, two ventilation holes corresponding to the two fans are formed in the outer wall of the shell, a detachable dust screen is arranged between the ventilation holes and the fans, the detachable dust screen is in sliding connection with the shell, the fan is fixedly connected to one side, close to the sliding piece, of the inner cavity of the shell, the ventilation holes corresponding to the fan are formed in the side, close to the sliding piece, of the inner cavity of the shell, a fixed dust screen is fixedly connected to one side of the inner cavity of the shell, and the fixed dust screen is arranged between the radiating fin and the side plate.

As a further scheme of the utility model: the length of the drainage key is greater than the width of the radiating fin and both are greater than the length of the fan.

Compared with the prior art, the utility model has the beneficial effects that: through setting up adjustment mechanism and slider and driven assembly cooperation and using, when not using the projecting apparatus, the drainage key blocks the ventilation hole, and the camera lens is retracted, and the shield blocks the camera lens, curb plate and casing laminating, improvement device overall tightness, effectively prevent the entering of dust, when using, the inside atmospheric pressure of drainage key guide air current messenger device is greater than outside, and the cooperation can dismantle the dust screen can prevent that the dust from entering inside the device along with the air current, and curb plate and casing separation, can effectively improve the radiating effect of device.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the working state structure of the present utility model.

Fig. 3 is a schematic diagram of an explosive structure in the present utility model.

Fig. 4 is a schematic structural view of an adjusting mechanism in the present utility model.

Fig. 5 is a schematic view of a slider structure according to the present utility model.

Fig. 6 is a schematic view of a driven assembly according to the present utility model.

In the figure: 1. a housing; 2. a light shielding plate; 3. a main board; 4. a light source member; 5. a lens; 6. a sealing plate; 7. a light guide plate; 8. a dust cover; 9. a lens; 10. a driven assembly; 101. a connecting frame; 102. a support post; 103. a guide plate; 104. a telescopic rod; 105. a support plate; 106. a moving groove; 11. a second fan; 12. a detachable dust screen; 13. a heat sink; 14. a slider; 141. a drainage key; 142. a spring; 143. a rope; 144. rope grooves; 145. a connecting plate; 146. a chute; 15. an adjusting mechanism; 151. a housing; 152. an inner rod; 153. a limit groove; 154. a limit column; 155. a rotating column; 156. an outer rod; 157. a side plate; 158. a rotary knob; 16. fixing a dust screen; 17. a first vent; 18. a support block; 19. a first fan; 20. and a second ventilation hole.

Detailed Description

Referring to fig. 1-3, in the embodiment of the utility model, a white light projector comprises a housing 1, a heat sink 13 is fixedly connected to the bottom of the inner cavity of the housing 1, a light source member 4 is fixedly connected to one side of the heat sink 13, a main board 3 is fixedly connected to the upper end of the heat sink 13, the light source member 4 and the main board 3 are main heating components in the device, wherein, too high temperature of either one of the two components can negatively affect the service life and the service effect of the device, the two components are fixedly connected to the heat sink 13, so as to effectively dissipate heat, two sides of the light source member 4 are fixedly connected with light guide plates 7, the upper ends of the two light guide plates 7 are fixedly connected with a light shielding plate 2 together, two symmetrical first fans 19 are fixedly connected to one side of the inner cavity of the housing 1, the output directions of the two first fans 19 are outwards arranged in the housing 1, and the air flow can effectively dissipate heat through the heat sink 13, thereby reducing the temperature of the light source member 4 and the main board 3, thereby improving the service life and the use stability of the device, two first ventilation holes 17 corresponding to the two first fans 19 are arranged on the outer wall of the shell 1, a detachable dustproof net 12 is arranged between the first ventilation holes 17 and the first fans 19, the detachable dustproof net 12 is in sliding connection with the shell 1, the detachable dustproof net 12 is arranged between the first fans 19 of the shells of the first ventilation holes 17, when the first fans 19 blow air into the inner cavity of the projector, dust in the outer wall environment of the shell 1 enters the projector along with the air flow, and the dust attached to the net is cleaned by detaching the dust from the shell 1 at regular time, so that the inner heat dissipation effect of the shell 1 is ensured, the dust is prevented from entering at the same time, the second fan 11 is fixedly connected to one side of the inner cavity of the shell 1 away from the first fans 19 and the second ventilation holes 20 corresponding to the second fan 11 are arranged, the output direction of the second fan 11 is to blow out from the inside of the shell 1, and it can accelerate the flow speed of the hot air in the shell 1 to the outside, and can blow out a small amount of dust entering the inside of the shell 1 through the dust screen out of the shell 1, one side of the inner cavity of the shell 1 is fixedly connected with the fixed dust screen 16, the fixed dust screen 16 is arranged between the radiating fins 13 and the side plates 157, because the air inlet to the inner cavity of the shell 1 is two first fans 19, and the air outlet is one second fan 11, the air pressure in the inner cavity of the shell 1 is larger than the outside air pressure, the outside dust can not enter the inside of the shell 1 through the fixed dust screen 16, and the inside hot air can overflow from the inner cavity of the shell 1 to the outside through the fixed dust screen 16, so that the radiating efficiency is improved.

Referring to fig. 4, a supporting block 18 is fixedly connected to one side of the bottom of the inner cavity of the housing 1 far away from the cooling fin 13, a lens 9 is slidably connected to the upper end of the supporting block 18, one side of a group of light guide plates 7 far away from the lens 9, which is far away from the light source, is fixedly connected with a lens 5, one side of the lens 5 far away from the light guide plates 7 is fixedly connected with a sealing plate 6, the sealing plate 6 is fixedly connected with the inner cavity of the housing 1, the sealing plate 6 can not only shield light but also prevent dust from entering, a dust cover 8 is slidably connected to the inner side of the housing 1 near the lens 9, a driven component 10 for pushing the lens 9 and the dust cover 8 to horizontally move is arranged at the upper part of the lens 9, two adjusting mechanisms 15 for driving the sliding component 14 and the driven component 10 to move are symmetrically arranged at two sides of the inner cavity of the housing 1, the adjusting mechanism 15 comprises a housing 151, an inner rod 152 is slidably connected to the inner cavity of the housing 151, two symmetrical limiting grooves 153 are formed in two sides of the inner cavity of the shell 151, two symmetrical limiting columns 154 are fixedly connected to one end of the inner rod 152, the limiting columns 154 are matched with the limiting grooves 153, the inner rod 152 can be prevented from being separated from the shell 151 and can be used conveniently by people, in the use process, the next operation can be carried out only by pulling outwards until the inner rod cannot move, the operation is quite convenient, the other end of the inner rod 152 is fixedly connected with a rotating column 155, two sides of the rotating column 155 are rotationally connected with an outer rod 156, one end of the outer rod 156 away from the rotating column 155 is fixedly connected with a rotating button 158, one end of the rotating button 158 away from the outer rod 156 is rotationally connected with a side plate 157, the side plate 157 is in sliding connection with the inner cavity of the shell 1, a hole for pulling the side plate 157 is formed in the middle of one side of the side plate 157 away from the rotating button 158, when the inner rod 152 is pulled to be unable to move, the outer rod 156 can be rotated downwards by 90 degrees, the rotation angle of the side plate 157 is then adjusted by the knob 158 to serve as a bottom bracket of the projector, thereby raising the housing 1 of the projector, thereby increasing the heat dissipation effect of the device.

Referring to fig. 5, a sliding part 14 for guiding and dust prevention is disposed on one side of the heat sink 13, including a guiding key 141, a chute 146 is disposed at the bottom of the inner cavity of the housing 1, the guiding part is slidably connected with the housing 1 through the chute 146, a spring 142 is fixedly connected at the middle of one end of the guiding key 141, a connecting plate 145 is fixedly connected at one end of the spring 142, a rope groove 144 is fixedly connected at the upper part of one side of the connecting plate 145, a rope 143 is fixedly connected at the middle of one end of the guiding key 141, the other end of the rope 143 penetrates through the middle of the spring 142 and passes through the connecting plate 145, the rope groove 144 is tightly attached to one end of the inner rod 152, which is far away from the rotating post 155, the upper part of the connecting plate 145 is fixedly connected with one end of the housing 151, which is far away from the side plate 157, when the projector works, the inner rod 152 is pulled outwards, so as to drive the rope 143 to move horizontally along the chute 146 to the connecting plate 145, and flow from the gap between the heat sink 13 to the second fan 11, so as to accelerate the flow rate of the inner cavity of the housing 1, shorten the time of the air, and prevent dust from entering the housing 1 when the projector does not work, and the fan 142 is blocked by the fan blade 141.

Referring to fig. 6, the driven assembly 10 includes a connecting frame 101, an arc-shaped clamping key is arranged at the lower part of the connecting frame 101 and is fixedly connected with a lens 9, a support post 102 is fixedly connected at the middle part of the upper end of the connecting frame 101, two symmetrical support plates 105 are slidably connected at two sides of the connecting frame 101, a moving groove 106 is formed at one side of the two support plates 105 close to the connecting frame 101, a guide plate 103 is slidably connected at the outer wall of the support post 102, one end of the guide plate 103 away from the support post 102 is slidably connected with an inner cavity of the shell 1, the guide plate 103 is composed of a straight plate and an inclined plate, the upper end of one side of the straight plate close to the support post 102 is fixedly connected with the lower end of an inner rod 152 close to the lens 9, a telescopic rod 104 is fixedly connected at one side of the inner rod 152 close to the dust cover 8, a dust cover 8 is arranged at one end of the telescopic rod 104 away from the inner rod 152, the inclined plane that inclines to the left has been seted up to the one end of telescopic link 104, the corresponding hole has been seted up on shield 8, the inside groove that is used for shield 8 to remove of seting up of casing 1 equals the length of double shield 8, when interior pole 152 is outwards pulled, the straight board of deflector 103 then can laminate the outer wall slip of pillar 102, and telescopic link 104 then can drive shield 8 and remove, when shield 8 removes to the groove end, shield 8 is hidden to casing 1 inside this moment completely, thereby telescopic link 104 receives the resistance to shrink inwards and breaks away from shield 8, because the length of the straight board of deflector 103 equals with the length of shield 8, thereby the swash plate of deflector 103 acts on pillar 102 and promotes camera lens 9 along removing groove 106 outside casing 1 this moment.

The working principle of the utility model is as follows: when the projector is used, the side plates 157 on two sides are pulled out from the inside of the shell 1 through the holes formed on the side plates 157, one side plate 157 drives the outer rod 156 connected with the outer rod 157 in a rotating way to move outwards, the outer rod 156 drives the inner rod 152 to move outwards, the inner rod 152 pulls the drainage key 141 to move towards the connecting plate 145 along the sliding groove 146 through the rope 143, the spring 142 is compressed, when the limit post 154 moves to the bottom of the limit groove 153, the outer rod 156 can be rotated downwards by 90 degrees around the rotating post 155, the spring 142 stops compressing, the drainage key 141 also moves to the tail end of the sliding groove 146, after the outer rod 156 is rotated, the outer rod 156 rotates by the angle of the rotating plate 157 to serve as a bottom bracket of the projector, the inner rod 152 on the other side plate 157 drives the telescopic rod 104 and the guide plate 103 to move horizontally when being pulled out, the telescopic rod 104 drives the dustproof cover 8 to move, at this time, when the dust cover 8 moves to the end of the groove formed in the housing 1, the outer wall of the straight plate strut 102 of the guide plate 103 slides, the inclined plate of the guide plate 103 contacts with the outer wall of the strut 102, so as to give a thrust to the strut 102, the strut 102 drives the connecting frame 101 to move along the moving groove 106 to the outside of the housing 1 under the thrust, so as to drive the lens 9 to horizontally move to the outside of the housing 1, at this time, the first fan 19 and the second fan 11 of the power supply and the light source 4 can start to work, the air inlet is provided with the two first fans 19 and directly blow to the radiating fins 13, the air outlet is provided with the second fan 11, the air pressure in the housing 1 is maintained higher than the outside while accelerating the heat dissipation, the hot air in the housing can overflow from all the positions on the housing 1 to the outside, and the outside dust cannot enter the housing 1 in the use process, the dust screen 12 can be detached regularly to be cleaned, so that a good heat dissipation effect can be kept continuously, when the projector is used, a power supply is turned off firstly, then the outer rod 156 is rotated by 90 degrees upwards after the side plate 157 is rotated to be perpendicular to the outer rod 156, then the side plate 157 is pushed inwards, at the moment, the spring 142 can spring to push the drainage piece to return to the initial position and block a gap between the second fan 11 and the shell 1, the inner rod 152 is also moved to the top of the outer cavity, the other side of the inner rod 152 is pushed to push the side plate 157, the inner rod 152 drives the guide plate 103 to move, the inclined plate in the guide plate 103 can push the support column 102 back, so that the lens 9 is driven to retract to the inner cavity of the shell 1, at the moment, the inclined plate is separated from the support column 102 after the lens 9 returns to the original position, the telescopic rod 104 can spring and is inserted into a hole in the dust cover 8 to drive the dust cover 8 to move, and when the inner rod 152 is moved to the top of the inner cavity of the shell 151, at the moment, the side plate 157 is attached to the shell 1 again, the overall tightness of the projector is stronger, and dust entering the projector and the projector can be effectively prevented from polluting the projector when the projector is not used.

Claims

1. The utility model provides a white light projector, includes the casing, its characterized in that, casing inner chamber bottom fixedly connected with fin, one side of fin is provided with the slider that is used for drainage and dirt-proof, one side fixedly connected with supporting shoe that the fin was kept away from to casing inner chamber bottom, supporting shoe upper end sliding connection has the camera lens, one side inside sliding connection that the casing is close to the camera lens has the shield, camera lens upper portion is provided with the follower assembly that is used for promoting camera lens and shield horizontal migration, casing inner chamber bilateral symmetry is provided with two adjustment mechanism that are used for driving slider and follower assembly motion.

2. The white light projector according to claim 1, wherein the adjusting mechanism comprises a housing, an inner rod is slidably connected to the inner cavity of the housing, two symmetrical limiting grooves are formed in two sides of the inner cavity of the housing, two symmetrical limiting columns are fixedly connected to one end of the inner rod, a rotating column is fixedly connected to the other end of the inner rod, an outer rod is rotatably connected to two sides of the rotating column, a rotating button is fixedly connected to one end, away from the rotating column, of the outer rod, and a side plate is rotatably connected to one end, away from the outer rod, of the rotating button.

3. The white light projector according to claim 1, wherein the sliding member comprises a drainage key, a chute is formed in the bottom of the inner cavity of the housing, the drainage key is in sliding connection with the housing through the chute, a spring is fixedly connected to the middle part of one end of the drainage key, a connecting plate is fixedly connected to one end of the spring away from the drainage key, a rope groove is fixedly connected to the upper part of one side of the connecting plate away from the spring, a rope is fixedly connected to the middle part of one end of the drainage key, the rope penetrates through the spring and the connecting plate and is fixedly connected with one end of the inner rod away from the rotary column around the rope groove, and the upper part of the connecting plate is fixedly connected with one end of the outer shell away from the side plate.

4. The white light projector according to claim 1, wherein the driven component comprises a connecting frame, the lower part of the connecting frame is fixedly connected with the lens, a support column is fixedly connected with the middle part of the upper end of the connecting frame, two symmetrical support plates are slidingly connected to two sides of the connecting frame, a movable groove is formed in one side, close to the connecting frame, of each support plate, a guide plate is slidingly connected to the outer wall of each support column, and one end, far away from the support column, of each guide plate is slidingly connected with the inner cavity of the shell.

5. The white light projector according to claim 4, wherein the guide plate comprises a straight plate and an inclined plate, the upper end of one side of the straight plate, which is close to the support post, is fixedly connected with the lower end of an inner rod, which is close to the lens, the side of the inner rod, which is close to the dust cover, is fixedly connected with a telescopic rod, one end, which is far away from the inner rod, of the telescopic rod is provided with the dust cover, and the length of the straight plate of the guide plate is equal to the length of the dust cover.

6. The white light projector according to claim 1, wherein one side of the radiating fin away from the side plate is fixedly connected with a light source part, two sides of the light source part are fixedly connected with a light guide plate, one side of the light guide plate away from the light source and away from the lens is fixedly connected with a lens, one side of the lens close to the side plate is fixedly connected with a sealing plate, two light guide plate upper ends are fixedly connected with a light shielding plate together, the upper end of the radiating fin is fixedly connected with a main plate, one side of the inner cavity of the shell away from the sliding part is fixedly connected with two symmetrical fans, two ventilation holes corresponding to the two fans are formed in the outer wall of the shell, a detachable dust screen is arranged between the ventilation holes and the fans, the detachable dust screen is in sliding connection with the shell, one side of the inner cavity of the shell close to the sliding part is fixedly connected with the fans and provided with ventilation holes corresponding to the fans, and one side of the inner cavity of the shell is fixedly connected with the fixed dust screen, and the fixed dust screen is arranged between the radiating fin and the side plate.

7. A white light projector according to claim 3 wherein the length of the drainage key is greater than the width of the heat sink and both are greater than the length of the fan.