CN219179763U - Projector structure - Google Patents

Abstract

The utility model relates to a projector structure, which comprises a shell structure and a loudspeaker module arranged in the shell structure, wherein an optical machine module is arranged on the upper left side of the loudspeaker module, a distance measuring module and a camera module are arranged on the upper right side of the loudspeaker module, and a heat dissipation module is arranged behind the optical machine module. The utility model has the advantages of simple structure, ingenious design, simple and elegant appearance, strong aesthetic property, simple production and assembly, easy operation, low structure cost, good heat dissipation effect and sound effect, can avoid resonance problem with the shell structure, and has wide application prospect.

Description

Projector structure

Technical Field

The present utility model relates to a projector structure.

Background

The projector is one of intelligent electronic products in recent years, and is a projector with functions of software and hardware expansion, man-machine interaction, multimedia interconnection and the like, and can realize application services such as network searching, network video, video On Demand (VOD), digital music, network educational resources, network video and the like. The projector is becoming a third information access terminal behind computers and mobile phones, and users can acquire required information at any time and perform cross-platform search among the projector, a network and a program; the projector is an entertainment center, and a user can search various network resources to carry out a remote conference and can transmit satellite and network video. In terms of application scenes, in recent years, the projector market has been developed at a high speed, the market space is large, the projector is not limited to living room use scenes, and the projector market is also developed to outdoor scenes.

Most projectors in the prior art have the following problems: (1) The projector often generates excessive heat after long-time use, is easy to damage the projector or has a reduced service life, and in order to better dissipate heat in the projector, a heat dissipation module structure of the projector is designed; in addition, partial existing projector internal structure design is unreasonable, and the inhaled cold air quantity is insufficient, causes the radiating effect not good, has the slow problem of radiating rate. (2) Most of the loudspeaker assembly modules of projectors on the market emit sound, firstly, resonance problems are easily caused by the external shell due to sound vibration, secondly, the vibration of the projectors can be greatly influenced, meanwhile, the sound setting of part of the loudspeaker assembly modules is unreasonable, and the sound effect is uneven or poor. (3) Most projectors on the market are provided with a metal net at a vent for exchanging cold and hot air flow, making sound and preventing foreign matters from entering the shell, wherein the metal net is fixed on the vent of the shell by screws, but the metal net is easily deformed due to the influence of the cold and hot air flow when the metal net is fixed at the vent by the screws, so that a large gap is formed at the position without screw fixation, and the foreign matters easily enter the shell through the large gap and have an unattractive appearance; and secondly, the screw is fixed at the air vent, so that the reliability is poor, the structure is complex, and the installation is inconvenient.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a projector structure.

The utility model is composed in such a way that the loudspeaker comprises a shell structure and a loudspeaker module arranged in the shell structure, wherein the upper left side of the loudspeaker module is provided with a light machine module, the upper right side of the loudspeaker module is provided with a distance measuring module and a camera module, and the rear of the light machine module is provided with a heat radiation module.

Further, both sides, the place ahead of shell structure all are equipped with the air inlet mouth, and the shell structure rear is equipped with the air outlet mouth, the shell structure middle part is equipped with the big fan that is used for blowing towards the air outlet mouth, and the air inlet mouth input that is located the left side is equipped with little fan.

Further, the heat dissipation module comprises a heat dissipation frame and a plurality of heat dissipation aluminum flakes arranged along the length direction of the heat dissipation frame at intervals, a first heat conduction copper plate is arranged at the top of the heat dissipation frame, a second heat conduction copper plate and a third heat conduction copper plate are arranged in front of the heat dissipation frame from far to near, a heat conduction copper pipe which is in a connection bending shape is arranged between the first heat conduction copper plate and the heat dissipation aluminum flakes at the leftmost side, between the third heat conduction copper plate and the heat dissipation aluminum flakes at the rightmost side, and between the second heat conduction copper plate and the heat dissipation aluminum flakes at the two outermost sides.

Further, the shell structure comprises an upper cover assembly, a metal net assembly and a lower cover assembly which are sequentially arranged from top to bottom, and a rear interface plate is arranged behind the metal net assembly; the metal net component comprises a metal net with round holes distributed on the surface and a plastic middle frame arranged on the inner side of the metal net, and the metal net is glued and fixed with the plastic middle frame through hot melt adhesive.

Further, the upper cover assembly comprises an upper cover, a power key and a touch key are arranged on the surface of the upper cover, a key board PCB is arranged below the upper cover corresponding to the power key, the power key is connected with the key board PCB through a silica gel key, a touch board PCB is arranged below the upper cover corresponding to the touch key, a circuit board PCB is arranged below the key board PCB and the touch board PCB, and a grounding spring piece is arranged on the circuit board PCB; the lower cover assembly comprises a lower cover and copper nuts positioned at four corners of the lower cover, and supporting feet are arranged below the copper nuts.

Further, the inner surface of the upper part in front of the metal net is a metal net grounding area, a middle frame grounding area is correspondingly arranged on the outer side of the plastic middle frame, and a grounding conductive foam layer is arranged between the metal net grounding area and the middle frame grounding area; and a shockproof foam layer is arranged between the metal net and the plastic middle frame.

Further, soft rubber pads are arranged at four corners of the loudspeaker module, screws sequentially penetrate through the soft rubber pads and the shell structure, the loudspeaker module comprises loudspeakers arranged on two side parts of the shell respectively, and a passive basin for improving sound effect is arranged between the two loudspeakers.

Further, a support B is arranged above the heat dissipation module, a support A is arranged above the horn module, the support A is fixed with the support B, and a heat-conducting plate is arranged above the support A, B.

Further, the front of ray apparatus module is equipped with ray apparatus lens, ray apparatus lens department is equipped with the decorative circle, the decorative circle inboard is equipped with the silica gel circle, be equipped with dustproof bubble cotton between decorative circle and the silica gel circle.

Further, the optical machine module and the heat dissipation module are connected through screws, and a plurality of heat conduction silicone grease sheets are arranged between the optical machine module and the heat dissipation module.

Compared with the prior art, the utility model has the following beneficial effects: (1) The device is used for air inlet to the inside of the projector through the three air inlet ports, and the air outlet port is used for air outlet and heat dissipation, so that the air inlet quantity is ensured to be larger than the air outlet quantity, enough cold air is ensured to enter the inside of the projector, and the product is ensured to be capable of rapidly dissipating heat and reducing temperature; the small fan is arranged to blow and cool the optical machine module, cool air is blown into the projector and takes away the heat of the optical machine module, and then the large fan blows the heat out of the projector through the air outlet; the large fan is arranged to blow heat generated by working in the projector into the projector, and meanwhile, the large fan blows air against the heat-radiating aluminum fins of the heat-radiating module, so that the heat of the light machine module led into the heat-radiating aluminum fins is blown out of the projector to radiate. (2) The soft rubber cushion is arranged at the fixed position of the loudspeaker assembly module and the projector shell, and enough gaps are reserved on the soft rubber cushion in any direction, so that the loudspeaker module is acted on the soft rubber cushion when working vibration is acted on the soft rubber cushion, the rigid fixation of the loudspeaker and the product shell is avoided, and the resonance problem with the product shell is avoided; the left and right channels are separated by the two horns arranged on the left and right sides of the projector shell; the two passive basins are arranged front and back, which is beneficial to improving the sound effect; the shell structure is used as a sound cavity, and the sound effect of the loudspeaker can be improved. (3) The device glues the metal net and the plastic middle frame into a whole in a glue dispensing and pressure maintaining fixing mode, so that the traditional screw fixing is omitted, and meanwhile, the metal net is stably and firmly fixed on the outer side of the projector body, and the attractiveness is improved; the oxidation layer on the metal surface is destroyed by a laser etching mode to realize conductive grounding; the shock-proof foam layer is arranged to play a role in buffering and protecting the metal net and the projector. (4) The device has simple and ingenious structural design, simple and elegant appearance, simple and easy production and assembly, low structural cost and is very suitable for popularization and application.

Drawings

FIG. 1 is a perspective view of a projector according to an embodiment of the utility model;

FIG. 2 is a top view of a projector according to an embodiment of the utility model;

FIG. 3 is a rear view of a projector according to an embodiment of the utility model;

FIG. 4 is a side view of a projector according to an embodiment of the utility model;

FIG. 5 is a cross-sectional view of a projector according to an embodiment of the utility model;

FIG. 6 is a second cross-sectional view of a projector according to an embodiment of the utility model;

FIG. 7 is a third cross-sectional view of a projector according to an embodiment of the utility model;

FIG. 8 is a schematic diagram of an internal structure of a projector according to an embodiment of the utility model;

FIG. 9 is a schematic diagram of a large fan according to an embodiment of the present utility model;

FIG. 10 is a bottom view of a projector according to an embodiment of the utility model;

FIG. 11 is a schematic view of an air inlet and outlet port in a projector according to an embodiment of the utility model;

FIG. 12 is a schematic diagram of an internal structure of a projector according to an embodiment of the utility model;

FIG. 13 is a schematic diagram of a first embodiment of a light engine module and a heat dissipation module;

FIG. 14 is a schematic diagram of a light engine module and a heat dissipation module according to a second embodiment of the present utility model;

FIG. 15 is a schematic diagram of a heat dissipating module according to an embodiment of the present utility model;

FIG. 16 is a schematic view of a speaker module according to an embodiment of the present utility model;

FIG. 17 is a top view of a speaker module according to an embodiment of the present utility model;

FIG. 18 is a cross-sectional view of a speaker module according to an embodiment of the present utility model;

FIG. 19 is an enlarged view of a portion of FIG. 18 at A;

FIG. 20 is a partial enlarged view at B in FIG. 16;

FIG. 21 is a schematic view of the position of a grounded conductive foam layer of a metal component according to an embodiment of the present utility model;

FIG. 22 is a rear view of a metal assembly according to an embodiment of the present utility model;

FIG. 23 is a cross-sectional view of a metal assembly according to an embodiment of the present utility model;

FIG. 24 is a top view of a metal assembly according to an embodiment of the present utility model;

FIG. 25 is an enlarged view of a portion of FIG. 23 at C;

FIG. 26 is an enlarged view of a portion of FIG. 5;

in the figure: a1-shell structure, A101-air inlet, A102-air outlet, A103-locking hole, A104-bracket A, A105-bracket B, A106-heat-conducting plate, A107-bracket C, A2-metal net component, A21-metal net, A211-round hole, A22-plastic middle frame, A221-fixed point, A23-metal net grounding area, A24-grounded conductive foam layer, A25-shockproof foam layer, A3-upper cover component, A31-upper cover, A32-power key, A33-touch key, A34-key board PCB, A35-silica gel key, A36-touch board PCB, A37-circuit board PCB, A38-grounded spring sheet, A4-lower cover component, A41-lower cover, A42-copper nut, A43-support leg, A5-back interface board; the LED lamp comprises a B2-ray machine module, a B21-ray machine lens, a B22-decorative ring, a B23-silica gel ring, a B24-dustproof foam, a B3-heat dissipation module, a B31-heat dissipation frame, a B32-heat dissipation aluminum flake, a B33-first heat conduction copper plate, a B34-second heat conduction copper plate, a B35-third heat conduction copper plate, a B36-heat conduction copper pipe, a B4-large fan, a B5-small fan and a B6-heat conduction silicone grease flake; the device comprises a C2-loudspeaker module, a C21-loudspeaker, a C22-passive basin, a C23-fixed plate, a C3-soft rubber pad, a C4-screw, a C41-screw head, a C42-screw middle section, a C43-screw lower section and a C44-step surface; d-range finding module, E-camera module, E1-camera lens, E2-camera silica gel cover.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

As shown in fig. 1 to 26, in this embodiment, a projector structure is provided, including a housing structure A1 and a speaker module C2 disposed inside the housing structure, a light engine module B2 is disposed on the upper left side of the speaker module, a distance measuring module D and a camera module E are disposed on the upper right side of the speaker module, and a heat dissipation module B3 is disposed behind the light engine module; the loudspeaker module, the optical machine module, the ranging module, the camera module and the heat dissipation module are electrically connected.

The optical machine module, the ranging module and the camera module are in the prior art, and are not described in detail herein; the optical machine module is used for throwing the image on a screen or a plane; the camera module and the ranging module are fixed on the plastic middle frame through a bracket C107 for locking. The distance measuring module is used for measuring distance; the camera module is used for focusing and correcting.

The camera module may include a camera lens E1 and a camera silica gel sleeve E2.

In the first embodiment of the utility model, the air inlet a101 is arranged at both sides and the front of the shell structure, the air outlet a102 is arranged at the rear of the shell structure, the large fan B4 for blowing towards the air outlet is arranged in the middle of the shell structure, and the small fan B5 is arranged at the input end of the air inlet at the left side.

The design of three air inlet mouth, an air outlet mouth can guarantee that the intake is greater than the air output, guarantees that enough cold wind gets into inside the projecting apparatus, guarantees that the product can dispel the heat fast and cool down.

The setting of little fan can blow the cooling to the optical engine module, blows in cold wind to the projecting apparatus inside and takes away the heat of optical engine module, blows out the heat to the projecting apparatus outside by the air outlet mouth by big fan again.

The large fan is arranged to blow heat generated by working in the shell structure, formed hot air is blown out of the shell structure of the projector, and meanwhile, the large fan blows air against the heat-radiating aluminum fins of the heat-radiating module, so that the heat of the light machine module, which is led into the heat-radiating aluminum fins, is blown out of the shell structure of the projector to radiate.

The heat dissipation module comprises a heat dissipation frame B31 and a plurality of heat dissipation aluminum flakes B32 which are arranged along the length direction of the heat dissipation frame at intervals, wherein a first heat conduction copper plate B33 is arranged at the top of the heat dissipation frame, a second heat conduction copper plate B34 and a third heat conduction copper plate B35 are respectively arranged in front of the heat dissipation frame from far to near, a heat conduction copper pipe B36 which is in a connection bending shape is respectively arranged between the first heat conduction copper plate and the left-most heat dissipation aluminum flakes, between the third heat conduction copper plate and the right-most heat dissipation aluminum flakes, and between the second heat conduction copper plate and the two outside heat dissipation aluminum flakes.

The optical machine module and the heat dissipation module are connected through screws, and a plurality of heat conduction silicone grease sheets B6 are arranged between the optical machine module and the heat dissipation module. The heat conduction silicone grease sheet has the function of tightly attaching the two modules (the optical machine module and the heat radiation module) and improving the heat conduction efficiency.

In the second embodiment of the present utility model, the housing structure A1 includes an upper cover assembly A3, a metal mesh assembly A2, and a lower cover assembly A4 that are sequentially disposed from top to bottom, and a rear interface board A5 is disposed behind the metal mesh assembly; the metal net component comprises a metal net A21 with round holes A211 distributed on the surface and a plastic middle frame A22 arranged on the inner side of the metal net, and the metal net is glued and fixed with the plastic middle frame through hot melt adhesive.

The inner surface of the upper part in front of the metal net is provided with a metal net grounding area A23, the outer side of the plastic middle frame is correspondingly provided with a middle frame grounding area, and a grounding conductive foam layer A24 is arranged between the metal net grounding area and the middle frame grounding area; a shockproof foam layer A25 is arranged between the metal net and the plastic middle frame; the shockproof foam layer can be adhered to the plastic middle frame.

The metal net is formed by splicing a plurality of metal net pieces, and the adjacent metal net pieces can be connected through a buckle structure.

The metal net and the plastic middle frame can be subjected to pressure maintaining and shaping through a special tool, and the metal net is firmly fixed on the plastic middle frame after the hot melt adhesive is cooled.

The plastic middle frame is connected with the projector through a fixed point.

In this embodiment, a plurality of round holes a211 on the metal mesh are arranged in an array, and the aperture size of each round hole on the metal mesh is different.

The metal mesh grounding area breaks the oxide layer on the metal surface in a laser etching mode to realize conductive grounding.

In this embodiment, the upper cover assembly A3 includes an upper cover a31, the surface of the upper cover is provided with a power key a32 and a touch key a33, a key board PCB a34 is disposed below the upper cover corresponding to the power key, the power key is connected with the key board PCB through a silica gel key a35, a touch board PCB a36 is disposed below the upper cover corresponding to the touch key, a circuit board PCB a37 is disposed below the key board PCB and the touch board PCB, and a grounding spring piece a38 is disposed on the circuit board PCB.

In this embodiment, the lower cover assembly includes a lower cover a41 and copper nuts a42 located at four corners of the lower cover, and support legs a43 are disposed below the copper nuts and are in threaded engagement with the copper nuts.

The four copper nuts and the lower cover are directly molded into a whole, so that the bearing capacity of the copper nuts can be improved, and then the supporting feet are screwed into the copper nuts for internal fixation.

In the third embodiment of the utility model, the four corners of the speaker module are respectively provided with a soft rubber pad C3, the screws C4 sequentially penetrate through the soft rubber pad and the shell structure, the speaker module C2 comprises speakers C21 respectively arranged at two sides of the shell, and a passive basin C22 for improving the sound effect is arranged between the two speakers.

The soft rubber pad is provided with enough gaps in any direction degree, so that the loudspeaker module is acted on the soft rubber pad when working vibration is generated, and the problem of resonance with the product shell is avoided by preventing the loudspeaker from being rigidly fixed with the product shell.

The two horns arranged at the left side and the right side are beneficial to separating left and right sound channels; the two passive basins are arranged front and back, which is beneficial to improving the sound effect; the shell structure is used as a sound cavity for improving the sound effect of the loudspeaker.

In this embodiment, four fixing plates C23 are disposed on the outer side of the speaker module, and each fixing plate corresponds to a locking hole C103 formed in the housing structure.

The middle part of the fixing plate is provided with a perforation for sleeving the soft rubber pad.

The middle part of the soft rubber pad is provided with a through hole for the screw to pass through.

In the embodiment, the screw comprises a screw head C41, a screw middle section C42 and a screw lower section C43, the diameter of the screw head is larger than that of the screw middle section, the diameter of the screw middle section is larger than that of the screw lower section, and a step surface C44 is formed at the joint of the screw middle section and the screw lower section; the step surface is abutted against the upper surface of the locking hole, and the width of the step surface is larger than that of the locking hole.

The design of the step surface can ensure that the heights of the screws after locking are the same, and the position heights of the soft rubber mats are ensured.

In the fourth embodiment of the present utility model, a bracket B A105 is disposed above the heat dissipation module, a bracket A A104 is disposed above the speaker module, a bracket a is fixed with a bracket B, and a heat-conducting plate a106 is mounted above the bracket A, B; the device on the circuit board PCB conducts heat through the heat conducting plate, the optical machine module and the heat radiating module are assembled together and then connected with the bracket A, and the small fan is fixed on the bracket B.

In this embodiment, a bare engine lens B21 is disposed in front of the bare engine module, a decorative ring B22 is disposed at the bare engine lens, a silica gel ring B23 is disposed inside the decorative ring, and dustproof foam B24 is disposed between the decorative ring and the silica gel ring.

Any of the above-described embodiments of the present utility model disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the utility model, and the numerical values listed above should not limit the protection scope of the utility model.

Meanwhile, if the above utility model discloses or relates to parts or structural members fixedly connected with each other, the fixed connection may be understood as follows unless otherwise stated: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.

Any part provided by the utility model can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present utility model and are not limiting; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims (10)

1. The utility model provides a projecting apparatus structure, its characterized in that includes shell structure and sets up at the inside loudspeaker module of shell structure, loudspeaker module upper left side is provided with the ray apparatus module, loudspeaker module upper right side is provided with range finding module and camera module, ray apparatus module rear is equipped with heat dissipation module.

2. The projector structure as defined in claim 1, wherein air inlet openings are formed in both sides and the front of the housing structure, an air outlet opening is formed in the rear of the housing structure, a large fan for blowing toward the air outlet opening is arranged in the middle of the housing structure, and a small fan is arranged at the input end of the air inlet opening on the left side.

3. The projector structure according to claim 1, wherein the heat dissipation module comprises a heat dissipation frame and a plurality of heat dissipation aluminum flakes arranged at intervals along the length direction of the heat dissipation frame, a first heat conduction copper plate is arranged at the top of the heat dissipation frame, a second heat conduction copper plate and a third heat conduction copper plate are respectively arranged in front of the heat dissipation frame from far to near, and heat conduction copper pipes in a connection bending shape are respectively arranged between the first heat conduction copper plate and the leftmost heat dissipation aluminum flakes, between the third heat conduction copper plate and the rightmost heat dissipation aluminum flakes and between the second heat conduction copper plate and the two outermost heat dissipation aluminum flakes.

4. The projector structure of claim 1, wherein said housing structure comprises an upper cover assembly, a metal mesh assembly and a lower cover assembly arranged in sequence from top to bottom, a rear interface plate being arranged behind said metal mesh assembly; the metal net component comprises a metal net with round holes distributed on the surface and a plastic middle frame arranged on the inner side of the metal net, and the metal net is glued and fixed with the plastic middle frame through hot melt adhesive.

5. The projector structure according to claim 4, wherein the upper cover assembly comprises an upper cover, a power key and a touch key are arranged on the surface of the upper cover, a key board PCB is arranged below the upper cover corresponding to the power key, the power key is connected with the key board PCB through a silica gel key, a touch board PCB is arranged below the upper cover corresponding to the touch key, a circuit board PCB is arranged below the key board PCB and the touch board PCB, and a grounding spring piece is arranged on the circuit board PCB; the lower cover assembly comprises a lower cover and copper nuts positioned at four corners of the lower cover, and supporting feet are arranged below the copper nuts.

6. The projector structure of claim 4, wherein an inner surface of the upper front part of the metal mesh is a metal mesh grounding area, a middle frame grounding area is arranged on the outer side of the plastic middle frame and corresponds to the plastic middle frame, and a grounding conductive foam layer is arranged between the metal mesh grounding area and the middle frame grounding area; and a shockproof foam layer is arranged between the metal net and the plastic middle frame.

7. The projector structure as claimed in claim 1, wherein soft rubber pads are disposed at four corners of the speaker module, the screws sequentially penetrate through the soft rubber pads and the housing structure, the speaker module comprises speakers disposed at two sides of the housing, and a passive basin for improving sound effects is disposed between the two speakers.

8. The projector structure as defined in claim 1, wherein a bracket B is disposed above the heat dissipation module, a bracket a is disposed above the speaker module, the bracket a is fixed to the bracket B, and a heat-conducting plate is installed above the bracket A, B.

9. The projector structure of claim 1, wherein a bare engine lens is arranged in front of the bare engine module, a decorative ring is arranged at the bare engine lens, a silica gel ring is arranged on the inner side of the decorative ring, and dustproof foam is arranged between the decorative ring and the silica gel ring.

10. The projector according to claim 1, wherein the light machine module and the heat dissipation module are connected by screws, and a plurality of heat-conducting silicone grease sheets are arranged between the light machine module and the heat dissipation module.

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