CN204188939U - Based on the projector equipment improving energy utilization rate - Google Patents

Abstract

The utility model discloses a kind of projector equipment based on improving energy utilization rate, outside is provided with camera lens, reflector, light source, condenser, even light microscopic and liquid crystal display is disposed with in housing, condenser and even light microscopic seal the openend of snoot respectively, be provided with seal closure one between liquid crystal display and even light microscopic, between liquid crystal display and housing, be provided with seal closure two; Drive plate, AV plate, ballast resistor, trigger, power supply, overload protective device, temperature sensor, illuminance transducer and video input interface is provided with in housing; overload protective device is connected with power supply; drive plate is connected with AV plate; AV plate is connected with video input interface, and light source, ballast resistor, temperature sensor, illuminance transducer and drive plate are connected with overload protective device.This projector equipment, by the sealing to light transmition passage, avoids the leakage of light, the energy can be made full use of, the better effects if of projection, prevents the destruction of light leakage to other equipment lives.

Description

Based on the projector equipment improving energy utilization rate

Technical field

The utility model relates to a kind of equipment, especially relates to a kind of projector equipment based on improving energy utilization rate.

Background technology

Projector is also known as projector, and current shadow casting technique makes rapid progress, and along with the development of science and technology, projection industry has also developed into the paramount field of a micro-throwing new technology.Projector is a kind of precise electronic product, it integrates machinery, liquid crystal or DMD, electronic circuit technology, therefore in use to be noted (for liquid crystal projector) from the following aspects: mechanical aspects, be strictly on guard against strong collision, extruding and vibrations.Because macroseism can cause the displacement of LCD panel, the convergence of three LCD during impact projection, there is the phenomenon that RGB color does not overlap, and the lens in optical system, catoptron also can produce distortion or damage, and effect diagram is as drop shadow effect, and zoom lens can make rail damage under impact, cause camera lens stuck, even camera lens breaks and cannot use.Optical system, notes the dust-proof and ventilation and heat of environment for use.The polysilicon LCD plate of current use generally only has 1.3 inches, and what have even only has 0.9 inch, and resolution has reached 1024X768 or 800X600, and that is each pixel only has 0.02mm, and dust granule enough stops it.And generally have special fan to carry out air-supply cooling with the flow of tens litres of air per minute to it because projector LCD plate fully dispels the heat, high velocity air also likely carries small dust secretly after dirt filtrating screen, they mutually rub and produce electrostatic and be adsorbed in cooling system, and this will have an impact to projected picture.Therefore, dust-proof extremely important in projector's environment for use, must absolutely no smoking, because smokeshade is more easily adsorbed in optical system.Therefore dirt filtrating screen that is frequent or periodic cleaning air inlet is wanted.Lamp source part, at present, most of projector uses metal halid lamp, and when illuminating state, bulb side voltage about 60-80V, in bulb, gaseous tension is greater than 10kg/cm, and temperature then has thousands of degree, and filament is in fritting state.Therefore, forbid to shake under open state, move projector; prevent bulb from bursting; can not at once deenergization after stopping using, machine be allowed to have dispelled the heat rear auto stop, and to be that projector is modal reprocess one of reason in the damage caused in the power-off of machine radiating state.In addition, switching on and shutting down number of times is reduced useful to bulb life.Circuit part, forbids warm swap cable, signal source and projector's power supply preferably ground connection simultaneously.This be due to be connected with signal source (as PC) when projector be different electrical power time, higher potential difference (PD) may be there is between two zero lines.When user's warm swap signal wire or other circuit, spark phenomenon can be there is between plugs and sockets, damage signal input circuit, cause serious consequence thus.In use, there is larger distance in projector between some user request signal source and projector, and all apart from signal source more than 15 meters as the projector of lifting, at this moment corresponding signal cable must extend.The signal of input projector can be caused thus to decay, and can there is the phenomenon that fuzzy hangover is even shaken in the picture projected out.This Bu Shi projector breaks down, and also can not damage machine.The best approach addressed this problem is after signal source, install a signal amplifier additional, can ensure Signal transmissions more than 20 meters and out of question.Traditional projector architecture is complicated, and cost is high, and radiation source power is large, makes whole equipment easily occur, cause the waste of the energy, and shorten the serviceable life of other equipment after light spills.

Utility model content

It is complicated that the purpose of this utility model is to overcome above-mentioned existing projector architecture, and cost is high, radiation source power is large, whole equipment is made easily to occur after light spills, cause the waste of the energy, and shorten the problem in the serviceable life of other equipment, devise a kind of projector equipment based on improving energy utilization rate, this projector equipment is by the sealing to light transmition passage, light is made to be sealed in fixing passage, avoid the leakage of light, the energy can be made full use of, the better effects if of projection, prevent the destruction of light leakage to other equipment lives, solve existing projector architecture complicated, and cost is high, radiation source power is large, whole equipment is made easily to occur after light spills, cause the waste of the energy, and shorten the problem in the serviceable life of other equipment.

The purpose of this utility model is achieved through the following technical solutions: based on the projector equipment improving energy utilization rate, comprise the housing of inner hollow, described outside is provided with camera lens, reflector is disposed with in housing, light source, condenser, even light microscopic and liquid crystal display, the center of reflector, the center of light source, the center of condenser, the center of even light microscopic, the center of liquid crystal display and the center of camera lens are all arranged on the same line, liquid crystal display is arranged between condenser and camera lens, light source is arranged on the center between reflector and condenser, Distance geometry light source between camera lens with liquid crystal display is equal with the distance between even light microscopic, inner hollow is provided with and the snoot of both ends open between condenser and even light microscopic, condenser and even light microscopic seal an openend of snoot respectively, inner hollow is provided with and the seal closure one of both ends open between liquid crystal display and even light microscopic, liquid crystal display and even light microscopic to be separately positioned in one of them openend of seal closure one and openend corresponding to sealing, inner hollow is provided with and the seal closure two of both ends open between liquid crystal display and the inwall of housing, liquid crystal display to be arranged in one of them openend of seal closure two and to seal this openend, another openend of seal closure two and housing are near the sidewall contact of camera lens, drive plate, AV plate, ballast resistor, trigger, power supply, overload protective device, temperature sensor, illuminance transducer and video input interface is provided with in described housing, video input interface and overload protective device are installed on shell wall side, overload protective device is connected with power supply, drive plate is connected with liquid crystal display, ballast resistor is connected with trigger, drive plate is connected with AV plate, AV plate is connected with video input interface, and light source, ballast resistor, temperature sensor, illuminance transducer and drive plate are all connected with overload protective device.

Described outside is provided with inner hollow and the imaging cylinder of both ends open, the profile of imaging cylinder is isosceles trapezoid body structure, in imaging cylinder, the larger-size one end of end face and housing are near the sidewall seamless link of seal closure two, and housing is provided with through hole near the sidewall of seal closure two, within the scope of the end face that through hole is arranged on imaging cylinder simultaneously and within the scope of the end face of seal closure two, camera lens is arranged in one end that in imaging cylinder, face size is less, and camera lens seals this termination completely, the center of reflector, the center of light source, the center of condenser, the center of snoot, the center of even light microscopic, the center of seal closure one, the center of liquid crystal display, the center of seal closure two, the center of through hole and the center of camera lens are all arranged on the center line of imaging cylinder, liquid crystal display is arranged between condenser and imaging cylinder.

The internal face of described housing is provided with several fans, fan is all through housing and ft connection, and fan is all connected with overload protective device, and fan is all connected with wind-guiding page, and wind-guiding page is arranged on enclosure interior.

Described even light microscopic adopts Fresnel Lenses.

In sum, the beneficial effects of the utility model are: this projector equipment is by the sealing to light transmition passage, light is made to be sealed in fixing passage, avoid the leakage of light, the energy can be made full use of, the better effects if of projection, prevent the destruction of light leakage to other equipment lives, solve existing projector architecture complicated, and cost is high, radiation source power is large, makes whole equipment easily occur after light spills, cause the waste of the energy, and shorten the problem in the serviceable life of other equipment.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Mark and corresponding parts title in accompanying drawing: 1-wind-guiding page; 2-ballast resistor; 3-trigger; 4-fan one; 5-drive plate; 6-video input interface; 7-AV plate; 8-camera lens; 9-imaging cylinder; 10-liquid crystal display; 11-even light microscopic; 12-fan two; 13-housing; 14-fan three; 15-power supply; 16-reflector; 17-light source; 18-condenser; 19-fan four; 20-overload protective device; 21-temperature sensor; 22-snoot; 23-illuminance transducer; 24-seal closure one; 25-seal closure two; 26-through hole.

Embodiment

Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited only to this.

Embodiment 1:

As shown in Figure 1, based on the projector equipment improving energy utilization rate, comprise the housing 13 of inner hollow, described housing 13 outer setting has camera lens 8, reflector 16 is disposed with in housing 13, light source 17, condenser 18, even light microscopic 11 and liquid crystal display 10, the center of reflector 16, the center of light source 17, the center of condenser 18, the center of even light microscopic 11, the center of liquid crystal display 10 and the center of camera lens 8 are all arranged on the same line, liquid crystal display 10 is arranged between condenser 18 and camera lens 8, light source 17 is arranged on the center between reflector 16 and condenser 18, Distance geometry light source 17 between camera lens 8 with liquid crystal display 10 is equal with the distance between even light microscopic 11, inner hollow is provided with and the snoot 22 of both ends open between condenser 18 and even light microscopic 11, condenser 18 and even light microscopic 11 seal an openend of snoot 22 respectively, inner hollow is provided with and the seal closure 1 of both ends open between liquid crystal display 10 and even light microscopic 11, liquid crystal display 10 and even light microscopic 11 to be separately positioned in one of them openend of seal closure 1 and openend corresponding to sealing, inner hollow is provided with and the seal closure 2 25 of both ends open between the inwall of liquid crystal display 10 and housing 13, liquid crystal display 10 to be arranged in one of them openend of seal closure 2 25 and to seal this openend, another openend of seal closure 2 25 and housing 13 are near the sidewall contact of camera lens 8, drive plate 5 is provided with in described housing 13, AV plate 7, ballast resistor 2, trigger 3, power supply 15, overload protective device 20, temperature sensor 21, illuminance transducer 23 and video input interface 6, video input interface 6 and overload protective device 20 are installed on housing 13 wall, overload protective device 20 is connected with power supply 15, drive plate 5 is connected with liquid crystal display 10, ballast resistor 2 is connected with trigger 3, drive plate 5 is connected with AV plate 7, AV plate 7 is connected with video input interface 6, light source 17, ballast resistor 2, temperature sensor 21, illuminance transducer 23 and drive plate 5 are all connected with overload protective device 20.Display device of today, face is increasing, and CRT just need not carry, with regard to liquid crystal display, screen size rising all the way.For usually learning user, excessive screen there is no need in fact, and because the cause at visual angle, also inconvenient.But for hankering after the user of computer home theater and computer game, giant-screen is their eternal pursuit.This is because large-screen display equipment has incomparable advantage relative to small screen displays, so there is people to foretell at the on-the-spot atmosphere this respect of construction: non-projector does not belong to by the next king of display device.Although present projector's price downward constantly, a brand projector price still nearly ten thousand yuan possessing basic computer and show the 640*480 pixel required! Price is higher if 800*600 resolution! The bulb price of a liquid crystal projector reaches 1,000 yuan in addition! Be equivalent to the price of a liquid crystal display.Therefore, at least in present stage, high consumption product are still belonged to for brand projector wage-earners.Do not calculate very much in the projector use of common teaching process for high cost, therefore this simple projector of this programme is devised, the mode that fixing employing screw thread between camera lens 8 and imaging cylinder 9 is fixing fixes, both wiping can be spun down, burnt poly-fine setting can be carried out again, ballast resistor is used to as bulb provides operating voltage, volume and weight is not little, several screw to be gone up time fixing more, to note in addition not allowing it block light path system, punch with on the Fresnel Lenses both sides of electric hand drill in housing 13 and the cabinet near bulb, to install radiator fan.Light source 17 adopts bulb, under the effect of reflector 16 and condenser 18, and under the effect of snoot 22, make light to concentrate, utilize luminous energy substantially, image quality is more stable, when the temperature that temperature sensor 21 detects in housing 13 exceeds setting value, overload protective device 20 automatic cut-off power 15 is powered, the safety of protection components and parts, or when in housing 13, the power of parts exceedes setting value, the power supply of overload protective device 20 also automatic cut-off power 15, the safety of protection components and parts, but in the communication process of light, because light appears from leak, luminous energy is spilt, one is the waste causing the energy, another is that other element is affected by light long-term irradiation serviceable life, and the light spilt makes image imaging have the phenomenon of astigmatism to occur, therefore design seal closure and seal light, light is irradiated along the passage needed, in housing 13, seal closure outer setting illuminance transducer 23 detects light, illumination on the surface that illuminance transducer 23 is irradiated by light is defined as the luminous flux be radiated in unit area.When detecting that in housing, seal closure extraneous light illumination exceeds setting range, automatic cut-off power 15 is powered, the safety of protection components and parts, this projector equipment is by the sealing to light transmition passage, light is made to be sealed in fixing passage, avoid the leakage of light, the energy can be made full use of, the better effects if of projection, prevent the destruction of light leakage to other equipment lives, solve existing projector architecture complicated, and cost is high, radiation source power is large, whole equipment is made easily to occur after light spills, cause the waste of the energy, and shorten the problem in the serviceable life of other equipment.

Described housing 13 outer setting has inner hollow and the imaging cylinder 9 of both ends open, the profile of imaging cylinder 9 is isosceles trapezoid body structure, in imaging cylinder 9, the larger-size one end of end face and housing 13 are near the sidewall seamless link of seal closure 2 25, and housing 13 is provided with through hole 26 near the sidewall of seal closure 2 25, within the scope of the end face that through hole 26 is arranged on imaging cylinder 9 simultaneously and within the scope of the end face of seal closure 2 25, camera lens 8 is arranged in one end that in imaging cylinder 9, face size is less, and camera lens 8 seals this termination completely, the center of reflector 16, the center of light source 17, the center of condenser 18, the center of snoot 22, the center of even light microscopic 11, the center of seal closure 1, the center of liquid crystal display 10, the center of seal closure 2 25, the center of through hole 26 and the center of camera lens 8 are all arranged on the center line of imaging cylinder 9, liquid crystal display 10 is arranged between condenser 18 and imaging cylinder 9.By light source 17 being arranged on the center between reflector 16 and condenser 18, the Distance geometry light source 17 between camera lens 8 with liquid crystal display 10 is set to equal with the distance between even light microscopic 11, and image quality is high.Through hole 26 is the passages passed through as light, and this avoid pipeline and leak, image spreads out of more clear.

The internal face of described housing 13 is provided with several fans, and fan is all through housing 13 and ft connection, and fan is all connected with overload protective device 20, and fan is all connected with wind-guiding page 1, and wind-guiding page 1 is arranged on housing 13 inside.This programme has installed four fans on housing 13, for aspect describes, by fan successively called after fan 1, fan 2 12, fan 3 14 and fan 4 19, each fan is provided with wind-guiding page 1(not shown in FIG.), for by the air flow guiding in housing 13, avoid producing vortex phenomenon, affect imaging effect.Because bulb power is usually at about 300W, so its thermal value is surprising, and the upper limit working temperature of liquid crystal display generally higher than 60 degree, can not carry out forced heat radiation work so be necessary in whole housing, when making, altogether four computer fans are installed in cabinet.Wherein one is extraction fan, and another two is exhaust fan, also has 4 cun of small fans specially facing to liquid crystal board blowing.

Described even light microscopic 11 adopts Fresnel Lenses.Also known as Fresnel lens, also claiming Fresnel lens, is a kind of lens invented by French physician Augustine Fresnel.This design was applied to beacon originally, and this design can build more wide-aperture lens, is characterized in that focal length is short, and, weight more less than the material usage of general lens and volume less.Mostly be the thin slice being noted pressure by polyolefine material, also have glass to make, lens surface one side is light face, the ascending concentric circles of another side imprinting, its texture utilizes the interference of light and disturb to penetrate and require to design according to relative sensitivity and receiving angle, and the requirement of lens is very high.The lens of a slice high-quality must be any surface finish, clean mark, and its thickness becomes with purposes, and how at about 1mm, characteristic is that area is comparatively large, and thickness is thin and detect distance.Fresnel Lenses to be many times equivalent to the convex lens of infrared ray and visible ray, effect is better, but cost is more much lower than common convex lens.This programme adopts Fresnel Lenses, and imaging effect is good, and cost is low, meets people and uses.

The above; it is only preferred embodiment of the present utility model; not any pro forma restriction is done to the utility model; every according to technology of the present utility model, method in fact to any simple modification, equivalent variations that above embodiment is done, all fall within protection domain of the present utility model.

Claims (4)

1. based on the projector equipment improving energy utilization rate, it is characterized in that: the housing (13) comprising inner hollow, described housing (13) outer setting has camera lens (8), reflector (16) is disposed with in housing (13), light source (17), condenser (18), even light microscopic (11) and liquid crystal display (10), the center of reflector (16), the center of light source (17), the center of condenser (18), the center of even light microscopic (11), the center of liquid crystal display (10) and the center of camera lens (8) are all arranged on the same line, liquid crystal display (10) is arranged between condenser (18) and camera lens (8), light source (17) is arranged on the center between reflector (16) and condenser (18), Distance geometry light source (17) between camera lens (8) with liquid crystal display (10) is equal with the distance between even light microscopic (11), inner hollow is provided with and the snoot of both ends open (22) between condenser (18) and even light microscopic (11), condenser (18) and even light microscopic (11) seal an openend of snoot (22) respectively, inner hollow is provided with and the seal closure one (24) of both ends open between liquid crystal display (10) and even light microscopic (11), liquid crystal display (10) and even light microscopic (11) to be separately positioned in one of them openend of seal closure one (24) and openend corresponding to sealing, inner hollow is provided with and the seal closure two (25) of both ends open between the inwall of liquid crystal display (10) and housing (13), liquid crystal display (10) to be arranged in one of them openend of seal closure two (25) and to seal this openend, the sidewall contact of another openend of seal closure two (25) and the close camera lens (8) of housing (13), drive plate (5) is provided with in described housing (13), AV plate (7), ballast resistor (2), trigger (3), power supply (15), overload protective device (20), temperature sensor (21), illuminance transducer (23) and video input interface (6), video input interface (6) and overload protective device (20) are installed on housing (13) wall, overload protective device (20) is connected with power supply (15), drive plate (5) is connected with liquid crystal display (10), ballast resistor (2) is connected with trigger (3), drive plate (5) is connected with AV plate (7), AV plate (7) is connected with video input interface (6), light source (17), ballast resistor (2), temperature sensor (21), illuminance transducer (23) and drive plate (5) are all connected with overload protective device (20).

2. the projector equipment based on improving energy utilization rate according to claim 1, it is characterized in that: described housing (13) outer setting has inner hollow and the imaging cylinder (9) of both ends open, the profile of imaging cylinder (9) is isosceles trapezoid body structure, the sidewall seamless link of the larger-size one end of end face and the close seal closure two (25) of housing (13) in imaging cylinder (9), and housing (13) is provided with through hole (26) near the sidewall of seal closure two (25), within the scope of the end face that through hole (26) is arranged on imaging cylinder (9) simultaneously and within the scope of the end face of seal closure two (25), camera lens (8) is arranged in one end that in imaging cylinder (9), face size is less, and camera lens (8) seals this termination completely, the center of reflector (16), the center of light source (17), the center of condenser (18), the center of snoot (22), the center of even light microscopic (11), the center of seal closure one (24), the center of liquid crystal display (10), the center of seal closure two (25), the center of through hole (26) and the center of camera lens (8) are all arranged on the center line of imaging cylinder (9), liquid crystal display (10) is arranged between condenser (18) and imaging cylinder (9).

3. the projector equipment based on improving energy utilization rate according to claim 1; it is characterized in that: the internal face of described housing (13) is provided with several fans; fan is all through housing (13) and ft connection; fan is all connected with overload protective device (20); and fan is all connected with wind-guiding page (1), and wind-guiding page (1) is arranged on housing (13) inside.

4. the projector equipment based on improving energy utilization rate according to claim 1, is characterized in that: described even light microscopic (11) adopts Fresnel Lenses.