CN208076915U - A kind of high tone quality projection arrangement making full use of light engine space - Google Patents

Abstract

The utility model discloses a kind of high tone quality projection arrangement making full use of light engine space, including projector and sound equipment, the projector includes lighting system and imaging system, and with cavity A, the imaging system is set in cavity B for the lighting system setting；The lighting system includes being set to the LED light source of cavity A side walls, it is set to the light guide connecting inside cavity A and with the LED light source, it is provided with Fresnel Lenses A at the light guide beam projecting mouth, the cavity A and cavity B is airtight cavity, the heat-protecting glass of transmission Fresnel Lenses A emergent rays is provided on the cavity A side walls, the light guide inner air and outer air is isobaric, and the loudspeaker of the sound equipment are fixedly installed on the side wall of cavity A or cavity B；The utility model realizes being combined into one for projector and sound equipment working space, so as to space that reuse projection arrangement light path occupancy to greatest extent and incompressible, forms the cavity needed for loudspeaker.

Description

A kind of high tone quality projection arrangement making full use of light engine space

Technical field

The utility model is related to liquid crystal projector technical fields, and in particular to a kind of height making full use of light engine space Sound quality projection arrangement.

Background technology

Projecting apparatus, also known as projector are a kind of equipment that can be projected image or video on curtain, can be by not The same computer of interface together, VCD, DVD, BD, game machine, DV etc., which are connected, plays corresponding vision signal.LCD liquid crystal projection apparatus A type of projecting apparatus, LCD projector have the advantages that color rendition preferably, it is high resolution, small, light-weight, take Band gets up to be convenient to, and is currently the main product in projector market.

Currently, the projection arrangement based on Single panel LCD liquid crystal technology, light source assembly (such as light source, reflector have been generally comprised Deng), incident leaded light component (generally convex lens, collector lens, reflector and light cone and incident Fresnel Lenses etc.), liquid Crystalline substance screen, is emitted Fresnel Lenses and camera lens.Part projector, in the horizontal direction, outgoing Fresnel Lenses and camera lens it Between, one is provided with optical axis center in 45 degree of speculum；The optical illumination element and image device of system are all very big, shared Spatial content is very big.

Stereo set, according to Principles of Acoustics, the quality of sound and the capacity (volume) of sound chamber are very related, most sound equipment list Solely setting loudspeaker and sound chamber.The loudspeaker of traditional projector all very littles are all not provided with to minimize the volume of projector The sound chamber of large capacity.But in order to improve the sound quality of sound quality, especially bass, and the sound equipment volume of bigger must be used.

Have at present by stereo set and projection arrangement combination, an entirety is formed, to save space；But only by projection arrangement It is integrally placed in a big stereo set, the closed sound chamber of stereo set is separately provided, and projection arrangement is separately provided, can not It realizes that working space is combined into one, reduces overall volume.

Utility model content

The purpose of this utility model is that：A kind of high tone quality projection arrangement making full use of light engine space is provided, is solved It has determined when at present combining stereo set with projection arrangement, both cannot achieve working space and be combined into one, lead to overall volume Big technical problem.

The technical solution adopted in the utility model is as follows：

A kind of high tone quality projection arrangement making full use of light engine space, including projector and sound equipment, the projector Including lighting system and imaging system, with cavity A, the imaging system is set in cavity B for the lighting system setting；Institute It includes being set to the LED light source of cavity A side walls to state lighting system, is set to inside cavity A and is led with what the LED light source was connect Body of light, it is airtight cavity to be provided with Fresnel Lenses A, the cavity A and cavity B at the light guide beam projecting mouth, institute The heat-protecting glass that transmission Fresnel Lenses A emergent rays are provided on cavity A side walls is stated, the light guide inner air and outer air is isobaric, The loudspeaker of the sound equipment are fixedly installed on the side wall of cavity A or cavity B.

Further, the loudspeaker are latter half of within the cavity.

Further, when the loudspeaker (2) are fixedly installed on cavity A (3) side wall, strip is provided on the cavity A (3) Through-hole (8)；When the loudspeaker (2) are fixedly installed on cavity B (10) side wall, long strip through hole is provided on the cavity B (10) (8)。

Further, the imaging system includes camera and Fresnel Lenses B, and the camera lens is arranged in cavity B, institute It states Fresnel Lenses B to be arranged in cavity B side walls, and the light from heat-protecting glass can be penetrated.

Further, the imaging system further includes the speculum being set in cavity B.

Further, the light guide is one kind in reflective type device or transmissive type devices.

In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：

1. the utility model realizes being combined into one for projector and sound equipment working space, so as to repeat to greatest extent Space occupied using projection arrangement light path and incompressible, is formed the cavity needed for loudspeaker, can promote audible sound product Matter, the volume in the case of also both reductions are discrete.

2. the utility model dexterously applies the prodigious devices of this kind of transparent and rigidity such as heat-protecting glass and Fresnel Lenses, And the shell of projector, it is combined into closed space, light can pass through from transparent optical device, complete optical property Simultaneously, additionally it is possible to be combined into closed space, be used to loudspeaker.

3. the isobaric design in outside, will not cause to disturb in light guide and Fresnel Lenses A, greater room is being provided to sound equipment While do not interfere with optical property.

4. long strip through hole can balance vibrations caused by inside cavity pressure change, sound quality is promoted.

Description of the drawings

The utility model will illustrate by example and with reference to the appended drawing, wherein：

Fig. 1 is the structural schematic diagram A of the utility model；

Fig. 2 is the structural schematic diagram B of the utility model；

Fig. 3 is the structural schematic diagram C of the utility model；

Fig. 4 is the structural schematic diagram D of the utility model；

Fig. 5 is the structural schematic diagram E of the utility model；

Reference numeral：2- loudspeaker, 3- cavitys A, 4- heat-protecting glass, 5-LED light sources, 6- light guides, 7- Fresnel Lenses A, 8- long strip through hole, 9- camera lenses, 10- cavitys B, 11- speculum, 12- Fresnel Lenses B.

Specific implementation mode

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

It elaborates with reference to Fig. 1-5 pairs of the utility model.

Specific embodiment 1

A kind of high tone quality projection arrangement making full use of light engine space, including projector and sound equipment, the projector Including lighting system and imaging system, with cavity A3, the imaging system is set to cavity B10 for the lighting system setting In；The lighting system includes being set to the LED light source 5 of cavity A3 side walls, be set to inside cavity A3 and with the LED light source The light guides 6 of 5 connections, are provided with Fresnel Lenses A7, the cavity A3 and cavity B10 at 6 beam projecting mouth of the light guide It is airtight cavity, the heat-protecting glass 4 of transmission Fresnel Lenses A7 emergent rays is provided on the cavity A3 side walls, it is described to lead Body of light 6 inner air and outer air is isobaric, and the loudspeaker 2 of the sound equipment are fixedly installed on the side wall of cavity A3 or cavity B10, after the loudspeaker 2 Half portion is within the cavity；The light guide 6 is one kind in reflective type device or transmissive type devices；The imaging system includes taking the photograph As head and Fresnel Lenses B12, the camera lens 9 is arranged in cavity B10, and the Fresnel Lenses B is arranged in the sides cavity B10 Wall, and the light from heat-protecting glass 4 can be penetrated；Due to projector design difference, the imaging system may include being set to Speculum 11 in cavity B10.

Specific embodiment 2

The loudspeaker 2 and the set-up mode of long strip through hole 8 share 5 kinds,

Mode one：Long strip through hole 8 is connected to cavity B10 (as shown in Figure 1), and the setting of loudspeaker 2 is equal in cavity A3 or cavity B10 It can；

Mode two：Loudspeaker 2 are arranged is not provided with long strip through hole (such as Fig. 2 institutes in cavity A3 side walls, cavity A3 and cavity B10 Show), seal；

Mode three：Loudspeaker 2, which are arranged on cavity A3 side walls, cavity A3, is arranged long strip through hole 8 (as shown in Figure 3), cavity B10 Sealing；

Mode four：Loudspeaker 2 are arranged is not provided with long strip through hole (such as Fig. 4 institutes in cavity B10 side walls, cavity A3 and cavity B10 Show, seals；

Mode five：The setting of loudspeaker 2 is sealed in cavity B10 side walls, cavity A3,8 (such as Fig. 5 of setting long strip through hole on cavity B10 It is shown).

Claims (7)

1. a kind of high tone quality projection arrangement making full use of light engine space, including projector and stereo set, the projection Machine includes lighting system and imaging system, and with cavity A (3), the imaging system is set to cavity B for the lighting system setting (10) in；The lighting system includes being set to the LED light source (5) of cavity A (3) side wall, be set to cavity A (3) it is internal and with The light guide (6) of the LED light source (5) connection is provided with Fresnel Lenses A (7) at light guide (6) the beam projecting mouth, It is characterized in that：The cavity A (3) and cavity B (10) are airtight cavity, and it is luxuriant and rich with fragrance that transmission is provided on cavity A (3) side wall The heat-protecting glass (4) of Nie Er lens A (7) emergent ray, light guide (6) inner air and outer air is isobaric, the loudspeaker of the stereo set (2) it is fixedly installed on the side wall of cavity A (3) or cavity B (10).

2. a kind of high tone quality projection arrangement making full use of light engine space according to claim 1, it is characterised in that： The loudspeaker (2) are latter half of within the cavity.

3. a kind of high tone quality projection arrangement making full use of light engine space according to claim 1, it is characterised in that： When the loudspeaker (2) are fixedly installed on cavity A (3) side wall, long strip through hole (8) is provided on the cavity A (3)；The loudspeaker (2) when being fixedly installed on cavity B (10) side wall, long strip through hole (8) is provided on the cavity B (10).

4. a kind of high tone quality projection arrangement making full use of light engine space according to claim 1, it is characterised in that： The loudspeaker (2) are fixedly installed on cavity B (10) side wall, and long strip through hole (8) is provided on the cavity B (10).

5. a kind of high tone quality projection arrangement making full use of light engine space according to claim 1, it is characterised in that： The imaging system includes camera lens (9) and Fresnel Lenses B (12), and camera lens (9) setting is in cavity B (10), the phenanthrene Nie Er lens B is arranged in cavity B (10) side wall, and can penetrate the light from heat-protecting glass (4).

6. a kind of high tone quality projection arrangement making full use of light engine space according to claim 4, it is characterised in that： The imaging system further includes the speculum (11) being set in cavity B (10).

7. a kind of high tone quality projection arrangement making full use of light engine space according to claim 1, it is characterised in that： The light guide (6) is one kind in reflective type device or transmissive type devices.