TWI454827B - Fixed structure of the porjector lamp - Google Patents

Description

Projector fixture fixing structure

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

The optical engine in the structure of the projector product is an important key component, which includes a lamp source and an optical component. The light source of the lamp is a modular structure, and has components such as a bulb, a lamp cover, a lamp holder and a lamp cup for generating a projection beam to illuminate the optical element. The optical component is also a modular structure, and the components including the colored wheel, the integral column, the projection lens, the polarization beam splitting mirror and the light beam mirror are set by a light machine housing for guiding the light source of the lamp. The projection beam performs optical operations such as splitting and combining and combining light to form an image beam and then projecting the image onto the screen through the projection lens. Therefore, the projection beam of the illuminating light source must have a precise matching design with the optical component, so that the light source beam can be effectively projected and developed through the operation of optical characteristics. At present, the light source of the light is connected to the optical component, and the light cup of the light source of the light is connected to the light machine housing of the optical component, and the light source is connected to the light source of the light source to make the light fixture The light source and the optical component are in the correct relative position, and the lamp cup is locked on the optical machine casing from top to bottom with two fixing screws. Generally, the structure fixed only at the upper end forms a hanging type after the lamp cup carries all the light source components of the lamp, and the bearing of the lamp source is easy to cause deformation of the lamp cup, thereby The correct relative position of the light source to the optical component will change, which will affect the optical characteristics of the optical engine and reduce the quality of the projector product. How to avoid the deformation of the fixing structure of the lamp source and the optical component should be further studied and improved.

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, comprising a lamp module, a connecting member and a light machine casing, the connecting member having a first side and a second side, the first side connecting the lamp module The second side is located on the back side of the first side and is connected to the optical machine housing. The light module is disposed opposite to the light machine housing through the connecting member, and the connecting member and the light module have at least two combinations. Component connection.

Compared with the prior art, the projector lamp fixing structure of the present invention is connected to the lamp module and the optical machine casing through the two-phase back side of the connecting member, so that the connecting member can pass the matching structure of the connecting side. The luminaire module is held in the correct position relative to the illuminating machine housing and is stably connected at the same time, thereby preventing deformation of the luminaire module and improving the optical quality of the projector.

10‧‧‧ Fixture structure

12‧‧‧Lighting module

120‧‧‧Positioning holes

122‧‧‧Light bulb

124‧‧‧light cup

126‧‧‧ lamp holder

1262‧‧‧Slots

1264, 160‧‧‧ screws

128‧‧‧shade

14‧‧‧Connecting members

140‧‧‧Positioning column

141‧‧‧ hole

142‧‧‧ first side

1422‧‧‧ convex plate

144‧‧‧ second side

146‧‧‧ first tablet

148‧‧‧ second tablet

1482‧‧‧Fixed tablets

1484‧‧‧ screw holes

16‧‧‧Light machine housing

162‧‧‧ beams

164‧‧‧ fixed column

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing an embodiment of a fixing structure of a projector lamp of the present invention.

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

3 is a connection diagram of a connecting member of the projector lamp fixing structure of FIG. 1 and a lamp module; intention.

4 is a connection diagram of an embodiment of the projector luminaire fixing structure of FIG. 1.

The present invention will be specifically described below with reference to the accompanying drawings.

Please refer to FIG. 1 , which is a schematic diagram of an embodiment of a fixing structure of a projector lamp according to the present invention. The lamp fixing structure 10 includes a lamp module 12 , a connecting member 14 and a light machine housing 16 . The connecting member 14 The first side 142 is connected to the luminaire module 12, and the second side 144 is located at the back of the first side 142 and is connected to the illuminator housing 16. The set 12 is disposed opposite the optome housing 16 by the connecting member 14, and the connecting member 14 is coupled to at least two combined members of the luminaire module 12. Wherein, the optomechanical housing 16 is provided with optical components, such as a color wheel, an integrating column, a projection lens, a polarization beam splitting mirror, and a condensing mirror, etc., and is a general optical characteristic design member through which the optical machine housing is After the set of 16 is set, the projection beam of the light source is received at the correct position to perform its optical characteristics. These optical components are not listed in the figure as they are outside the technical range of the fixture fixing structure 10, and therefore are not described in the drawings. The technical feature of the luminaire fixing structure 10 is mainly the connection structure between the luminaire module 12 and the optomechanical housing 16 , and the components of the luminaire module 12 and the optomechanical housing 16 are different in shape. Therefore, the opposite interface is not a structure that can be stably supported, and the present invention is connected by the connecting member 14 in order to avoid deformation of the combination where the interface is unstable. The connecting member 14 is a sheet metal member that provides a stable connection to the opposing joint faces to achieve a combined stability. First, the second side 144 of the connecting member 14 is connected to the optical housing 16 (as shown in FIG. 2). In this embodiment, the connecting member 14 is an upright 板-shaped sheet metal piece. Two sides The top end of the 144 has a first flat plate 146 and the bottom end has a second flat plate 148. The first flat plate 146 and the second flat plate 148 both extend toward the optical machine housing 16. The first flat plate 146 is hooked on a cross member 162 of the optical machine housing 16 and is fixedly connected by a screw 160. The second flat plate 148 has a fixing piece 1482 on the plate body, and the fixing piece 1482 is from the second flat plate. The 148 plate continues to extend toward the optomechanical housing 16 and is opposite the fixed post 164 of the illuminator housing 16 and is fixedly coupled by the screw 160. The second side 144 is fixedly connected to the fixing plate 162 of the optical housing 16 by the first flat plate 146 and the fixing piece 1482, so that the connecting member 14 can be stabilized with the light. The casing 16 is combined.

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 lamp cover 128 . The lamp cup 122 is disposed at the front end of the lamp 122 . The lamp cup 124 is disposed on the lamp holder 126. The lamp cover 128 is locked to the lamp cup 124 and connected to the lamp holder 126. The bulb 122 is configured to generate a projection beam that is projected outwardly through the lamp cup 124 at the front end. Therefore, the lamp cup 124 is opposite to the first side surface 142, so that the projection beam passes through a hole 141 formed in the connecting member 14. An optical element disposed to the optomechanical housing 16. The projection beam is stably directed to the opto-mechanical housing 16, and the optical component disposed in the opto-mechanical housing 16 can exhibit its optical characteristics, so that the connection of the first side 142 and the lamp module 12 requires stability. The relative position also needs to be accurate, even if the reinstallation after the change needs to maintain the correct projection position. In this embodiment, the luminaire module 12 has at least three positioning holes 120 (shown in FIG. 3 ) on the connecting surface opposite to the first side 142 , and the at least three positioning holes 120 are located at least in the luminaire module 12 . On the two composite components. At least three positioning holes 120 of the present invention are located on the lamp cup 124 and the lamp holder 126. The lamp cup 124 is provided with a positioning hole 120, and the lamp holder 126 is provided with two positioning holes 120. The connecting member 14 opposite to the positioning hole 120 has a positioning post 140 The engagement of the positioning post 140 with the positioning hole 120 allows the lamp module 12 to be connected to the first side surface 142. The first side 142 has a convex plate 1422, and a positioning post 140 is disposed on the convex plate 1422. The protruding plate 1422 protrudes from the first side surface 142 toward the luminaire module 12, and the positioning post 140 on the convex plate 1422 is connected to the positioning hole 120 of the lamp cup 124. The second plate 148 is disposed on the socket 126. The positioning plate 140 is disposed on the second plate 148 for engaging with the positioning hole 120 of the socket 126. The connecting member 14 is connected to the lamp cup 124 and the socket 126 at least two components of the lamp module 12 . The connecting member 14 is connected to at least two components of the lamp module 12 (as shown in FIG. 4 ), and the assembly structure of the lamp module 12 is used to prevent deformation of the assembly structure of the lamp module 12 and maintain Stabilization with engagement of the connecting member 14.

In addition, after the lamp module 12 is combined with the connecting member 14 , a further locking structure is disposed between the lamp holder 126 and the second plate 148 . The locking structure is provided with a screw hole 1484 in the second plate 148, and a slot 1262 is disposed in the socket 126 opposite to the screw hole 1484. The slot 1262 is provided with a screw 1264, the screw 1264 and the screw The hole 1484 is locked to secure the combination of the lamp module 12 and the connecting member 14. The slot 1262 allows the screw 1264 disposed therein to be locked relative to the screw hole 1484 for facilitating the fixed use of the lamp module 12 after positioning. The lamp module 12 is disposed on the lamp holder 126 by the locking structure, so that the unloading of the lamp module 12 can be converted and removed by the lower portion of the lamp fixing structure 10, so that the lamp fixing structure 10 can be applied. A variety of different product structures produce good practical performance.

The projector lamp fixing structure of the present invention provides a stable connection interface through the connecting member 14, which not only stabilizes the connection between the lamp module 12 and the optical machine casing 16, but also The relative position is also more precise, and the deformation of the lamp module 12 can be effectively prevented, and good optical characteristics are maintained. The method of assembling and disassembling the lamp module 12 under the transfer of the connecting member 14 can be fully adapted. Different quality products are assembled and used, and have good assembly quality.

It should be noted that the above-described embodiments are merely preferred embodiments of the present invention, and those skilled in the art can make other changes within the spirit of the present invention. All changes made in accordance with the spirit of the invention are intended to be included within the scope of the invention.

10‧‧‧ Fixture structure

12‧‧‧Lighting module

122‧‧‧Light bulb

124‧‧‧light cup

126‧‧‧ lamp holder

128‧‧‧shade

14‧‧‧Connecting members

146‧‧‧ first tablet

148‧‧‧ second tablet

1482‧‧‧Fixed tablets

16‧‧‧Light machine housing

164‧‧‧ fixed column

Claims (11)

A projector lamp fixing structure includes a lamp module, a connecting member and a light machine casing, the connecting member having a first side and a second side, the first side connecting the lamp module, the first The two sides are located on the back side of the first side and are connected to the optical machine housing. The light module is disposed opposite to the light machine housing through the connecting member, and the light fitting surface of the light module opposite to the first side has at least The three positioning holes are disposed on at least two combined members of the lamp module, and the connecting members are connected to at least two combined members of the lamp module. The projector lamp fixing structure according to claim 1, wherein the lamp module comprises a light bulb, a light cup, a lamp holder and a lamp cover, wherein the lamp cup is disposed at the front end of the lamp, and the lamp cup is disposed on the lamp cup The lamp cover is locked to the lamp cup and connected to the lamp holder. The projector lamp fixing structure according to claim 1, wherein the positioning hole is located on the lamp cup of the lamp module and the lamp holder. The projector luminaire fixing structure according to claim 1, wherein the connecting member is a sheet metal member, and the sheet metal member is an upright ㄇ type. The projector lamp fixing structure according to the first aspect of the invention, wherein the second side has a first flat plate at the top end and a second flat plate at the bottom end, the first flat plate and the second flat plate are both facing the Optical machine housing. The projector lamp fixing structure according to claim 5, wherein the first flat plate is hooked on a beam of the optical machine housing and is fixedly connected to the beam. The projector lamp fixing structure according to claim 5, wherein the second plate has a fixing piece extending from the second plate to the optical machine housing, and the optical machine housing A fixed column has a fixed connection. The projector lamp fixing structure according to claim 1, wherein the first side is opposite to the lamp cup, and the projection beam of the lamp cup is directed to the optical machine housing through a hole formed in the connecting member. . The projector lamp fixing structure according to the first aspect of the invention, wherein the first side has a convex plate, and the positioning plate is provided with a positioning post, and the positioning post is coupled with the positioning hole of the lamp cup. The projector lamp fixing structure according to claim 5, wherein the second plate is disposed on the lamp holder, and the second plate is provided with the positioning column, and the positioning column cooperates with the positioning of the lamp holder. Hole connection. The projector lamp fixing structure according to claim 10, wherein the lamp holder and the second plate further have a locking structure, wherein the locking structure is provided with a screw hole on the second plate, A slot is disposed in the socket of the screw hole, and a screw is disposed in the slot, and the screw is locked with the screw hole.