The light source heat radiation cooling structure that is used for stage lamp
Technical field
The utility model relates to technical field of lamps, particularly relates to a kind of light source heat radiation cooling structure for stage lamp.
Background technology
In the light of stage technical field, in the stage lamp use procedure, the more satisfactory state of its light source (as bulb) is, the tip temperature of bulb is relatively low, and bulb foam temperature is relatively high, satisfying under the condition of these requirements, just obtain extraordinary lighting effects, can guarantee the service life of bulb and other assemblies again simultaneously.
And light source is the interior parts that produce maximum heats of stage lamp often.The too much heat that produces due to the bulb foam of high temperature can conduct to its bulb top, if can not in time leave fully, the temperature on the top of bulb can rise very highly, comprise the electric conductor that is connected with electrode due to its top, in the situation that high temperature, described electric conductor is oxidized and corrosion easily, often causes bulb just to lose efficacy reaching far away life expectancy.Thereby be necessary very much sufficient Local cooling is carried out on the top of light source.
Although there has been the various light sources heat abstractor in prior art, but these heat abstractors generally all carry out at reflector outside (light source is arranged in reflector), as, outer setting supply air system above the reflector openend, air-guiding aisle by supply air system is directed to the cooling blast in the external world outside, top of reflector, and then carries out cooling to the light source air-supply; Perhaps, by blower fan, the reflector outer wall is carried out cooling.
Although above-mentioned cooling mode satisfies the overall heat radiation requirement of light source reluctantly, but still have a following defective: (1) is because heat abstractor (as the air-guiding aisle of supply air system) is arranged on the reflector outside, far away apart from light source, cooling blast just arrives the bulb top after long distance, therefore, the directionality of wind-force not and concentrated not makes the cooling wind-force that arrives after the bulb top less, can not effectively satisfy cooling requirement; (2) because the wind-force directionality is inadequate, easily the cold wind band to the bulb foam, make bulb foam temperature reduce, thereby reduce chemistry and the physical reactions speed of foam inner stuffing, have a strong impact on lighting effects, even can affect bulb service life.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of cooling wind concentration that makes is provided, and can prevent effectively that cooling air from moving towards the light source heat radiation cooling structure that is used for stage lamp of the light source foam of reflector inside.
The utility model is achieved through the following technical solutions the foregoing invention purpose:
The light source heat radiation cooling structure that is used for stage lamp, comprise: supply air system, be arranged on the tip exterior of light source, and be positioned at outside reflector, described light source is arranged in reflector, also comprises blinker, and described blinker is arranged on the place ahead of reflector openend, one end of described blinker and the air outlet of supply air system join, and its other end extends to light source direction.
Preferably, described blinker is near the open end setting of reflector, and perpendicular to the axis of light source.
Preferably, comprise that also fixed head is arranged on reflector open end periphery for the fixing fixed head of blinker, blinker is fixed on fixed head.
Preferably, described supply air system is connected with fixed head.
Preferably, described fixed head one end is provided with the supply air system installation position, and described supply air system is socketed on the supply air system installation position.
Preferably, described fixed head one end is provided with the reflector installation position, and described reflector installation position is not less than reflector open end outer circumference diameter.
Preferably, described reflector installation position is a through hole, and described blinker is fixed on the through hole periphery.
Preferably, also comprise thermovent on the shell that is arranged on light fixture.
Preferably, the air outlet of described supply air system and blinker are in abutting connection with setting.
Preferably, described blinker is the thermostable transparent blinker.
Compared with prior art, the utility model has the advantage of:
1, the utility model is set up the thermostable transparent blinker on traditional structure, cooling-air from supply air system blows to the top of light source along the direction of thermostable transparent blinker, thereby Local cooling is carried out on the top to light source, prevent the oxidized and corrosion of its top electric conductor, thereby greatly extended service life of light source.
2, because the thermostable transparent blinker has intercepted most of cooling blast that directly blows to the light source foam, thereby prevented foam by sub-cooled, higher foam temperature is beneficial to chemistry and the physical reactions of foam inner stuffing, and luminous efficiency and beam quality are provided.
Description of drawings
Fig. 1 is the schematic perspective view of the utility model structure;
Fig. 2 is the schematic perspective view after structure shown in Figure 1 is removed fixed head;
Fig. 3 is the top view of structure shown in Figure 1;
Fig. 4 is A-A cutaway view shown in Figure 3.
The specific embodiment
The utility model is described in further detail below in conjunction with specific embodiment.
Specific embodiment 1
As shown in Figure 2, a kind of light source heat radiation cooling structure for stage lamp that the utility model provides, this structure is used for the light source heat radiation of stage lamp, and described structure is arranged in light fixture, is provided with in light fixture: light source 101 is preferably the single-end discharge lamp bulb; Reflector 102 is used for holding described light source 101.The light source heat radiation cooling structure of described stage lamp comprises: supply air system 105 is arranged on the tip exterior of light source 101, and is positioned at outside reflector 102; Blinker 103, be arranged on the place ahead of reflector 102 openends, one end of this blinker 103 and the air outlet 104 of supply air system 105 join, its other end extends to light source 101 directions, so that this blinker 103 has hidden the opening of reflector 102 at least in part, be used for guiding and from the cooling-air of supply air system 105, Local cooling carried out on light source 101 tops, can prevent that again cooling-air from moving towards light source 101 foams of reflector 102 inside, avoids light source 101 foams to be cooled simultaneously.
Blinker 103 is near the open end setting of reflector 102, and perpendicular to the axis of light source 101.This blinker 103 is preferably the rectangle glass sheet, has the opening that has hidden partially reflector 102 at least.Blinker 103 extends to light source 101 top ends, but this blinker should and the top of light source 101 between be provided with certain distance, bump with it when light source 101 is installed avoiding.Like this, this blinker 103 can be used for effectively guiding and from the cooling-air of supply air system 105, light source 101 tops is carried out coolingly, and prevents too cooling to foam of cooling-air.
In addition, described blinker 103 is made by material high temperature resistant and that light transmittance is high, be preferably borate glass or quartz glass, can avoid like this this blinker 103 by hot mastication, can guarantee again that simultaneously light beam that light source 101 sends sees through this blinker 103 as far as possible losslessly and launches.
The air outlet of supply air system 105 and blinker 103 adjacency arrange, the outer wall of as close as possible reflector 102 openends of the air outlet of supply air system 105, and the air outlet of supply air system 105 is minimum apart from the distance on the top of light source 101 like this, and cooling blast is more concentrated.
As preferably, supply air system 105 comprises blower fan, is arranged on reflector 102 peripheries, should be noted, blower fan also can be set directly on lamp outer casing, perhaps in other interval away from light source 101 assemblies, and extends to reflector 102 openends by air-guiding aisle or guide duct.
Specific embodiment 2
On the basis of above-described embodiment 1 as shown in Fig. 1,3,4, this light source heat radiation cooling structure also comprises for the fixing fixed head 106 of blinker 103, fixed head 106 is arranged on reflector 102 open end peripheries, and blinker 103 is fixed on fixed head 106 by modes such as glass cements.
In one embodiment, described supply air system 105 can be connected with fixed head 106, be provided with the supply air system installation position on the end of described fixed head 106 away from reflector 102, described supply air system 105 is socketed on the supply air system installation position, can be connected with supply air system 105 by modes such as screws, perhaps not connect.
In above-mentioned, the supply air system installation position can be a through hole.
In one embodiment, described fixed head 106 is provided with the reflector installation position near reflector 102 1 ends, described reflector installation position is not less than reflector 102 open end outer circumference diameter, and described reflector installation position is to be a through hole, and described blinker 103 is fixed on the through hole periphery.
Be provided with thermovent on lamp outer casing on the basis of above-mentioned specific embodiment 1 and 2, be used for the wind discharge light fixture outside with light source 101 cooling rear heating.
Operation principle: the cooling-air from supply air system 105 blows to the top of light source 101 along blinker 103 directions, thereby Local cooling is carried out on the top of light source 101; Simultaneously, partial occlusion effect due to 103 pairs of reflectors 102 of blinker, can effectively stop cooling-air from supply air system 105 to move towards reflector 102 inside, and then prevent too cooling to light source 101 foams of cooling-air, light source 101 foams be remained at higher temperature operate.