CN103676431B - Lamp of projector fixed sturcture - Google Patents

Abstract

The present invention provides a projector lamp fixing structure, which includes a lamp module, a connecting member and an optical machine housing, the connecting member has a first side and a second side, the first side is connected to the The lamp module, the second side is located at the back of the first side and connected to the optical machine housing, the lamp module is arranged opposite to the optical machine housing through the connecting member, and the connecting member is connected to the optical machine housing The at least two combined components of the lamp module are connected. The present invention can make the structure stable and avoid deformation through the positioning assembly between the connecting member and the lamp module assembly member, and maintain the optical performance therebetween.

Description

Fixed structure of projector lamp

technical field

The invention relates to a lamp fixing structure for a projector, in particular to a lamp fixing structure for a projector that avoids affecting optical performance due to deformation.

Background technique

The optical engine (OpticalEngine) is an important key component in the structure of the projector product, which includes a lamp light source and an optical component. The light source of the lamp is a modular structure, which has components such as a bulb, a lampshade, a lamp holder, and a lamp cup, and is used to generate a projected light beam to irradiate toward the optical assembly. The optical components are also of modular construction, and components including a color wheel, an integrating column, a projection lens, a polarization splitting prism, and a light combining prism are set in an optical machine housing to guide the lamp The projected light beam of the light source is subjected to optical operations such as light separation, color separation and light combination to form an image light beam, and then the image is projected onto the screen through the projection lens. Therefore, the projected light beam of the lamp light source must be precisely designed in cooperation with the optical components, so that the light source light beam can achieve effective projection and image display through the operation of optical characteristics. At present, the assembly of the light source of the lamp and the optical assembly is to connect the lamp cup of the light source of the lamp with the optical machine housing of the optical assembly, and the lamp cup carries and connects the lamp After each assembly of the light source, make the light source of the lamp and the optical assembly in the correct relative position, and use two fixing screws to lock the lamp cup on the optical machine housing from top to bottom. Generally speaking, the structure that is only fixed on the upper end will form a hanging fixing method after the lamp cup bears all the light source components of the lamp. The load of the light source of the lamp is easy to cause deformation of the lamp cup , so that the correct relative position between the light source of the lamp and the optical assembly will change, which will also affect the optical characteristics of the optical engine and reduce the quality of the projector product. How to avoid the deformation of the combined fixing structure of the light source of the lamp and the optical component should be further studied and improved.

Contents of the invention

In view of this, it is necessary to provide a projector lamp fixing structure with a stable positioning structure.

The present invention provides a projector lamp fixing structure, which includes a lamp module, a connecting member and an optical machine housing, the connecting member has a first side and a second side, the first side is connected to the The lamp module, the second side is located at the back of the first side and connected to the optical machine housing, the lamp module is arranged opposite to the optical machine housing through the connecting member, and the connecting member is connected to the optical machine housing The at least two combined components of the lamp module are connected.

Compared with the prior art, the fixing structure of the projector lamp in the present invention connects the lamp module and the optical machine housing respectively through the two opposite sides of the connecting member, so that the connecting member can pass through the connecting member. The matching structural arrangement on the side keeps the lamp module at the correct position relative to the optical machine housing and at the same time connects firmly, thus avoiding deformation of the lamp module and improving the quality of the optical characteristics of the projector.

Description of drawings

FIG. 1 is a schematic diagram of an embodiment of a fixing structure of a projector lamp according to the present invention.

FIG. 2 is a schematic diagram of the connection between the connecting member and the optical machine housing of the projector lamp fixing structure in FIG. 1 .

FIG. 3 is a schematic diagram of the connection between the connecting member and the lamp module of the lamp fixing structure of the projector in FIG. 1 .

FIG. 4 is a schematic connection diagram of an embodiment of the fixing structure of the projector lamp in FIG. 1 .

Explanation of main component symbols

Fixed structure of lamps and lanterns 10 Lighting module 12 positioning hole 120 Light bulb 122 light Cup 124 lamp holder 126 slot 1262 screw 1264, 160 lampshade 128 connecting member 14 positioning post 140 hole 141 first side 142 Convex plate 1422 second side 144 first tablet 146 second plate 148 Fixed sheet 1482 screw hole 1484 Opto-mechanical housing 16 beam 162 Fixed column 164

The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings.

Please refer to FIG. 1 , which is a schematic diagram of an embodiment of a fixing structure for a projector lamp according to the present invention. The lamp fixing structure 10 includes a lamp module 12, a connecting member 14 and an optical machine housing 16, the connecting member 14 has a first side 142 and a second side 144, the first side 142 The lamp module 12 is connected, the second side 144 is located at the back of the first side 142 and connected to the optical machine housing 16, and the lamp module 12 is connected to the optical machine housing through the connecting member 14 16, the connection member 14 is connected to at least two combination members of the lamp module 12. Wherein, the optical machine housing 16 is provided with optical components, such as a color wheel, an integrating column, a projection lens, a polarization splitting prism, and a light combining prism, etc., which belong to general optical characteristic design components. After the assembly of the housing 16 is set, the light beam projected by the light source can be received at the correct position so that the operation of its optical characteristics can be exerted. Since these optical components do not belong to the scope of the technical features of the lamp fixing structure 10, they are not marked in the figure for special description. The technical feature of the lamp fixing structure 10 mainly lies in the connection structure between the lamp module 12 and the optical machine housing 16, because the respective components of the lamp module 12 and the optical machine housing 16 Due to the different shapes, the opposite connecting surfaces are not structures that can be stably supported. In order to avoid deformation easily caused by the unstable combination of connecting surfaces, the present invention connects through the connecting member 14 . The connecting member 14 is a sheet metal part, and the sheet metal part can provide a stable connection structure for opposite joint surfaces to achieve a stable combination. First, the connection between the second side 144 of the connecting member 14 and the optical machine housing 16 (as shown in FIG. 2 ) will be described. In this embodiment, the connecting member 14 is an upright U-shaped sheet metal A top end of the second side 144 has a first flat plate 146 , and a bottom end has a second flat plate 148 , and both the first flat plate 146 and the second flat plate 148 extend toward the optical machine housing 16 . The first flat plate 146 is hooked on a crossbeam 162 of the optical machine housing 16 and fixedly connected by screws 160. The second flat plate 148 has a fixed piece 1482 on its body, and the fixed piece 1482 is self-contained. The second plate 148 continuously extends toward the optical machine housing 16 , is opposite to a fixing post 164 of the optical machine housing 16 , and is fixedly connected by the screw 160 . The second side 144 is fixedly connected to the beam 162 and the fixing column 164 of the optical machine housing 16 through the first flat plate 146 and the fixing piece 1482 by the screw 160, so that the connection The component 14 can be firmly combined with the optical-mechanical housing 16 .

The first side 142 of the connecting member 14 is connected to the lamp module 12, the lamp module 12 includes a bulb 122, a lamp cup 124, a lamp holder 126 and a lampshade 128, the front end of the bulb 122 is provided with a The lamp cup 124 is arranged on the lamp holder 126 , and the lampshade 128 is locked on the lamp cup 124 and connected with the lamp holder 126 . The light bulb 122 is used to generate a projected light beam, which is projected outward through the light cup 124 at the front end, so that the light cup 124 is opposite to the first side 142 , so that the projected light beam passes through the connecting member 14 There is a hole 141 directed to the optical assembly provided by the optical machine housing 16 . The projected light beam is stably irradiated to the optical machine housing 16, and the optical components arranged in the optical machine housing 16 can exert their optical characteristics, so that the connection between the first side 142 and the lamp module 12, In addition to being stable, its relative position also needs to be accurate, even if it is reinstalled after a change, it needs to maintain the correct preset projection position. In this embodiment, the lamp module 12 is provided with at least three positioning holes 120 on the connecting surface opposite to the first side 142 (as shown in FIG. 3 ), and the at least three positioning holes 120 are located On at least two combined components of the module 12. In the present invention, at least three positioning holes 120 are located on the assembly of the lamp cup 124 and the lamp holder 126 , the lamp cup 124 is provided with one positioning hole 120 , and the lamp holder 126 is provided with two positioning holes 120 . The connecting members 14 opposite to the positioning holes 120 are respectively provided with positioning posts 140 , and the engagement of the positioning posts 140 relative to the positioning holes 120 allows the lamp module 12 to be connected to the first side 142 . The first side 142 has a protruding plate 1422 , and a positioning post 140 is disposed on the protruding plate 1422 . The protruding plate 1422 protrudes from the first side 142 toward the lamp module 12 , and the positioning post 140 on the protruding plate 1422 is used to match the positioning hole 120 of the lamp cup 124 for connection. The second flat plate 148 is disposed on the lamp socket 126 , and the two positioning posts 140 are disposed on the second flat plate 148 for connecting with the positioning holes 120 of the lamp socket 126 . The connecting member 14 is connected to at least two components of the lamp module 12 , the lamp cup 124 and the lamp holder 126 . The connecting member 14 is connected to at least two components of the lamp modules 12 (as shown in FIG. 4 ), which has a restraining effect on the assembly structure of the lamp modules 12 and can avoid deformation of the assembly structure of the lamp modules 12. , to maintain the stability of the joint with the connecting member 14 .

In addition, after the lamp module 12 is assembled and connected with the connecting member 14 , a locking structure is further provided between the lamp holder 126 and the second flat plate 148 . The locking structure is that a screw hole 1484 is set on the second plate 148, a slot hole 1262 is set on the lamp holder 126 opposite to the screw hole 1484, and a screw 1264 is arranged in the slot hole 1262, so that The combination of the lamp module 12 and the connecting member 14 can be fixed by locking the screw 1264 with the screw hole 1484 . The slotted hole 1262 makes the screw 1264 disposed therein convenient for locking relative to the screw hole 1484 , so as to facilitate the fixed use of the lamp module 12 after positioning. The lamp module 12 can be removed from the bottom of the lamp fixing structure 10 assembly through the setting of the locking structure on the lamp holder 126, so that the lamp The fixing structure 10 can be applied to various product structures, resulting in good practical performance.

The projector lamp fixing structure of the present invention provides a stable joint interface through the connecting member 14, which not only makes the connection between the lamp module 12 and the optical machine housing 16 stable, but also makes the relative position more accurate, and It can effectively prevent the deformation of the lamp module 12, maintain good optical characteristics, change the method of assembling and disassembling the lamp module 12 under the transfer of the connecting member 14, and can fully adapt to the assembly and use of products with different configurations. Good splicing quality.

In addition, those skilled in the art can also make other changes within the spirit of the present invention. Of course, these changes made according to the spirit of the present invention should be included within the scope of protection claimed by the present invention.

Claims (12)

1. A projector lamp fixing structure, which includes a lamp module, a connecting member and an optical machine housing, the connecting member has a first side and a second side, and the first side is connected to the lamp module, the second side is located at the back of the first side and is connected to the optical machine housing, and the lamp module is arranged opposite to the optical machine housing through the connecting member, which is characterized in that: the connection The component is connected to at least two combined components of the lamp module. 2. The projector lamp fixing structure according to claim 1, wherein the lamp module comprises a light bulb, a lamp cup, a lamp holder and a lampshade, the lamp cup is arranged at the front end of the bulb, and the The lamp cup is arranged on the lamp holder, and the lampshade is locked on the lamp cup and connected with the lamp holder. 3. The projector lamp fixing structure according to claim 1, wherein at least three positioning holes are provided on the connecting surface of the lamp module opposite to the first side, and the at least three positioning holes are located on On at least two combined components of the lamp module. 4. The projector lamp fixing structure according to claim 3, wherein the positioning hole is located on the lamp cup and the lamp holder. 5 . The projector lamp fixing structure according to claim 1 , wherein the connection member is a sheet metal piece, and the sheet metal piece is in an upright ㄇ shape. 6 . 6. The projector lamp fixing structure according to claim 1, characterized in that: the top end of the second side has a first flat plate, the bottom end has a second flat plate, the first flat plate and the second flat plate The flat plates are all facing the optomechanical housing. 7 . The projector lamp fixing structure according to claim 6 , wherein the first flat plate is hooked on a beam of the optical machine housing and is fixedly connected to the beam. 7 . 8. The projector lamp fixing structure according to claim 6, characterized in that: the second plate has a fixing piece, and the fixing piece extends continuously from the second plate to the optical machine housing, and The optical machine housing has a fixed column facing each other for fixed connection. 9. The projector lamp fixing structure according to claim 1, characterized in that: the first side is opposite to the lamp cup, and the projected light beam of the lamp cup shoots to The optomechanical housing. 10. The projector lamp fixing structure according to claim 9, characterized in that: the first side has a convex plate, and a positioning column is arranged on the convex plate, and the positioning column cooperates with the positioning of the lamp cup hole connection. 11. The projector lamp fixing structure according to claim 6, characterized in that: the second flat plate is arranged on the lamp holder, and two positioning posts are arranged on the second flat plate, and the two positioning posts Cooperate with the positioning hole of the lamp holder for connection. 12. The projector lamp fixing structure according to claim 11, characterized in that: there is a locking structure between the lamp holder and the second plate, and the locking structure is set on the second plate A screw hole, a slot hole is set on the lamp holder opposite to the screw hole, a screw is set in the slot hole, and the screw is locked with the screw hole.