Heat radiating device of double lamp projecting camera backup lamp
A technology for heat sinks and projectors, applied in projection devices, cooling/ventilation/heating renovation, optics, etc., can solve problems such as heat effects, and achieve the effects of prolonging service life, simple device structure, and significant heat dissipation effect
Active Publication Date: 2008-02-06
NANTONG HUAXING OIL EQUIP
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Problems solved by technology
However, mechanical cold backup also has certain defects: when the two lamps are on at the same time, the backup lamp does not work, and its light does not enter the optical path, but to other parts of the system, and the heat generated by it will inevitably affect the projector. other components of the
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[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0018] As shown in Figures 1 and 2, the heat dissipation device for the backup lamp of the mechanical hot backup dual-lamp projector includes a copper core 1 provided with internally threaded blind holes, heat dissipation fins 2 arranged divergently along the outer circumference of the copper core 1, Cooling fan 3 installed on the end face of cooling fin 2:
[0019] As shown in Figures 2 and 3, the internally threaded blind hole is a stepped hole, including a connected large-diameter threaded hole section 1-1 and a small-diameter threaded hole section 1-2, which are sequentially arranged inside the copper core 1 from outside to inside. ; As shown in Figure 1, the cooling fins 2 adopt the integrated structure of the fins 2-1 and the sleeve 2-2, and each fin 2-1 is divergently arranged on the outer circumferential surface of the sleeve 2-2, and the sleeve...
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The present invention provides a standby lamp heat dissipation device of a machinery warm standby double lamps projecting camera. The device includes a copper core arranged with an internal thread dead hole inside, a heat dissipation fin arranged along the outer circumference of the copper core in the radiation way, and a heat dissipation fan arranged at the end surface of the heat dissipation fin. A standby bulb is arranged in the front of the copper core, namely, the opening end of the internal thread dead hole of the copper core faces to the standby bulb, namely, all the beam of the standby bulb is irradiated into the internal thread dead hole of the copper core. The present invention is simple in structure, obvious in the heat dissipation effect, not only can absorb heat produced by the standby bulb, but also absorb beam produced by the standby bulb, so as to beam returns to or irradiates other parts of the system as little as possible, thereby favoring to prolong the service life of a single lamp, as well as the whole projecting camera.
Description
technical field [0001] The invention relates to the heat dissipation field of a double-lamp projector, in particular to a heat dissipation device for a backup lamp of a double-lamp projector. Background technique [0002] At present, there are two common methods for the projector's dual lamp design, one is cold backup and the other is hot backup. In the design of the lamp replacement structure for cold backup: usually a mechanical lamp replacement mechanism is used, and some people use linear movement, rotary movement or reflector rotation. In cold backup, only one lamp can be lit at the same time, and two lamps cannot be turned on at the same time. Bright. In the design of the lamp replacement structure of the hot backup: the hot backup can light up two lamps at the same time, without mechanical movement, the two lamps are placed on opposite sides, and the light is reflected by a splitter prism, which can only light a single lamp, or both lamps can be on at the same time ...
Claims
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Inventor 邓启示
Owner NANTONG HUAXING OIL EQUIP