CN2916840Y

CN2916840Y - Laser demonstrator

Info

Publication number: CN2916840Y
Application number: CN 200620059728
Authority: CN
Inventors: 樊邦弘
Original assignee: HESHAN ZHENMINGLI LAMP DECORATION CO Ltd
Current assignee: HESHAN ZHENMINGLI LAMP DECORATION CO Ltd
Priority date: 2006-05-30
Filing date: 2006-05-30
Publication date: 2007-06-27
Anticipated expiration: 2016-05-30

Abstract

The utility model discloses a laser demonstration device, which comprises a laser generator, a lens group, a scanning polarizer, a switching power source, a laser generator power source, a laser generator power source board, a scanning polarizer driving circuit board, a filter and a shell body. The utility model is characterized in that: the shell body is divided into an upper shell body and a lower one; the laser generator, the lens group and the scanning polarizer are positioned inside the upper shell body; the switching power source, the laser generator power source, the laser generator power source board, the scanning polarizer driving circuit board and the filter are positioned inside the lower shell body; a heat distribution plate is arranged between the upper and lower shell bodies; an audio control input, a DMX input and computer signal input interface are positioned inside the lower shell body; a ventilation and heat distribution device is positioned on the lateral board of the lower shell body. With such a structure, the utility model ensures excellent dustproof effect for the laser generator, which can not be affected easily by the heat radiation of other components, and has a laser generator that can not be damaged easily and features pleasant appearance.

Description

A kind of laser demonstration device

Affiliated technical field

The utility model relates to a kind of light fixture, especially a kind of laser demonstration device.

Background technology

Existing laser demonstration device all is installed in control circuit and Laser emission light path in the box compactly in order to make its volume small and exquisite.For example the patent No. is 98237072.7 laser performance instrument, and parts such as laser tube, power transformer, motor, control panel and various circuit all are installed in the machine box.This all parts all are installed in the structure in the box body, though volume is little, space between each assembly is little, but electronic circuit component is easy to heating, the space is little just to be difficult to heat radiation and to cause temperature to raise, because temperature has very big influence to the life-span and the power of laser tube (laser instrument), when the residing environment of laser instrument surpasses 35 degrees centigrade, its life-span will shorten significantly, and its emissive power also can decay largely, and to make laser instrument be subjected to the influence that electronic component work heating produces very big so be installed in structure in the box body; In addition, impurity such as dust also have very big influence to the life-span and the power of laser tube (laser instrument), and dust is subjected to the electrostatic attraction of electronic circuit generation, are easy to enter with circuit be installed on the laser instrument in the box body, so just damage laser instrument easily; Dispel the heat if on its housing, add ventilation blower, can bring more dust into so simultaneously, damage and circuit, the laser instrument of ventilation blower in a box body, heat radiation was just difficult more after dust accumulation was many, thereby the life-span of laser instrument and power are die-offed, damaged more easily.

Summary of the invention

The purpose of this utility model is in order to solve the problem of above-mentioned proposition, a kind of laser instrument good dustproof effect is provided and is subjected to that other electronic unit warming-up effect is little, the non-damageable laser demonstration device of laser instrument.

To achieve these goals, the technical scheme that the utility model adopted is: a kind of laser demonstration device, comprise laser instrument, lens set, scanning galvanometer and Switching Power Supply, laser power supply, the laser power supply plate, the scanning galvanometer drive circuit board, wave filter, and housing, it is characterized in that: described housing is divided into upper shell and lower house two parts, described laser instrument, lens set, scanning galvanometer is arranged in the upper shell, described Switching Power Supply, laser power supply, the laser power supply plate, the scanning galvanometer drive circuit board, wave filter is arranged in the lower house, a heat sink is arranged between upper shell and the lower house, also be provided with the acoustic control input in the described lower house, DMX input and pcs signal input interface also are provided with ventilation heat abstractor on the side plate of lower house.

The utility model compared with prior art, its beneficial effect has: the utility model adopts double-decker up and down, elements such as laser instrument are separated with the electronic circuit component of easily heating, the space of each layer is relatively big, such texture ratio is more reasonable, repair easily, and its radiating effect is also relatively good; Laser instrument is placed on the upper strata, laser instrument is sealed in the upper shell, elements such as electronic circuit are placed by lower floor, not having a lot of impurity such as dust like this enters in the laser instrument, the work efficiency of laser instrument just can not be affected, the heat that their work produces can not mix, and just temperature is raise rapidly; On the lower house sidewall, be provided with blower fan, can strengthen the radiating effect of electronic circuit component, and the impurity such as dust that blower ventilation is brought into can not exert an influence to laser instrument yet; Heat sink is set between upper and lower casing, has improved heat-sinking capability more.Like this, laser instrument is lower and do not have substantially to work under the environment of dust temperature, that is to say that laser instrument can not be subjected to dust and Temperature Influence substantially, just can not cause the shortening in its life-span and the situations such as decay of emissive power to take place; Secondly, use this structure of separating up and down, profile is better appearance also, can not make volume of the present utility model big especially.After testing, the outward appearance volume of this structure only is equivalent to the size of a general television set, can install easily and move.

Description of drawings

Fig. 1 is overall appearance figure of the present utility model;

Fig. 2 is STRUCTURE DECOMPOSITION figure of the present utility model;

Fig. 3 is a upper shell cut-away view of the present utility model;

Fig. 4 is a lower house cut-away view of the present utility model;

Fig. 5 is a circuit block diagram of the present utility model.

Embodiment

Below in conjunction with accompanying drawing and one preferably embodiment come the utility model is described in detail.

As shown in Figure 1, there are upper shell 1, lower house 2, supporting plate 15, shadoof 16, fan shroud 19, camera lens 14 and packing ring 20 in outside of the present utility model.Be connected by packing ring 20 usefulness screws between upper shell 1 and the lower house 2.Upper shell 1 is fixedlyed connected with supporting plate 15 with lower house 2 both sides and is supported upper shell 1.Shadoof 16 is installed in the top of supporting plate 15, convenient carrying, and connection each other also has certain effect to supporting plate 15.Fan shroud 19 is installed on the supporting plate 15 of lower house 2 both sides.Camera lens 14 is installed in the front end face of upper shell 2.As Fig. 2, Fig. 3, shown in Figure 4, a seal box 17 and scanning galvanometer 6 are arranged in the upper shell 1, three laser instruments 3 and lens set are arranged in the seal box 17.Scanning galvanometer 6 is made up of X-Y reflector group and stepper motor.Above-mentioned lens set comprises all-wave high

reflective mirror sheet

4 and 41, the high lens 5 of all-wave, blue high anti-red green high lens 51 and two anti-green

high lens

52 and 53 of red height.Two Switching Power Supplies 7, three laser power supplies 8, three laser power supply plates 9, two scanning galvanometer drive circuit boards 10, wave filter 11, acoustic control input circuit 13, pilot lamp 26 and two blower fans 18 are arranged in the lower house 2.Its circuit connecting mode as shown in Figure 5, civil power is given Switching Power Supply 7, laser power supply 8 power supplies after wave filter 11 filtering.After Switching Power Supply 8 will be imported power source conversion, the direct current of output 24V and 5V, the 24V power supply offers blower fan 18, Signal-controlled switch 25, scanning galvanometer drive circuit board 10, and the 5V power supply offers FB3 module 24 and acoustic control input circuit 13.Between wave filter 11 and laser power supply 8, also be connected with an IEC laser power supply protection module 22.Signal-controlled switch 25 sends control signals to scanning galvanometer drive circuit board 10 and laser power supply plate 9 and pilot lamp 26, the duty of pilot lamp 26 indication lasers 3.Signal-controlled switch 25 also is connected with acoustic control input circuit 13 and DMX input circuit 22 from FB3 module 23 and DB25 pcs signal input circuit 24 received signals on the FB3 module 23.

The utility model is when carrying out laser demonstration, Signal-controlled switch 25 sends a signal to intensity and the time that laser power supply plate 9 is controlled laser instrument 3 emission laser, also send a signal to scanning galvanometer drive circuit board 10 simultaneously, come gated sweep galvanometer 6 to adjust the reflection angle of two catoptrons of stepper motor change on its X-Y axle.Three

laser instruments

31,32,33 are launched red, green, blue look laser respectively, the laser of three kinds of different colors is synthetic a branch of light after lens set 4,41,5,51,52,53 transmissions and reflection, the X-Y catoptron is adjusted angle on scanning galvanometer 6 again, launch from camera lens 14, form the pattern of variation owing to the vision time-delay of human eye.Signal-controlled switch 25 can receive the signal that is sent by FB3 module 23 and DB25 pcs signal input circuit 24, FB3 module 23 can receive the signal of acoustic

control input circuit

13 and 22 transmissions of DMX input circuit, transform again and give Signal-controlled switch 25, change the pattern of laser formation and the frequency of variation by the signal that receives, make the pattern of laser demonstration more rich and varied, pattern changes along with the change of frequency input signal, is rich in timing.

Claims

1, a kind of laser demonstration device, comprise laser instrument, lens set, scanning galvanometer and Switching Power Supply, laser power supply, laser power supply plate, scanning galvanometer drive circuit board, wave filter, and housing, it is characterized in that: described housing is divided into upper shell and lower house two parts, described laser instrument, lens set, scanning galvanometer are arranged in the upper shell, and described Switching Power Supply, laser power supply, laser power supply plate, scanning galvanometer drive circuit board, wave filter are arranged in the lower house.

2, laser demonstration device according to claim 1 is characterized in that: a heat sink is arranged between upper shell and the lower house.

3, laser demonstration device according to claim 1 is characterized in that: also be provided with acoustic control input, DMX input and pcs signal input interface in the described lower house.

4, laser demonstration device according to claim 1 is characterized in that: also be provided with ventilation heat abstractor on the side plate of lower house.