TW200928563A - Projector with heat dissipation structure - Google Patents

Abstract

A projector with a heat dissipation structure includes a casing, a light source located in the casing and a heat dissipation structure connecting with the light source. The heat dissipation structure includes a heat absorbing board for absorbing heat from the light source, a heat sink remote from the light source and a heat pipe connecting the board and the heat sink. The heat generated by the light source is transferred to the heat sink via the heat pipe and is dissipated by the heat sink.

Description

200928563 IX. Description of the Invention: [Technical Field] The present invention relates to a projector, a thermal structure projector. Path, and Politics [Prior Art] With the advancement of projection technology, Kim > Slave 2 I is able to take high resolution and achieve high brightness and clarity. In order to make the projector module a light source for the projector. Iron and high-power bulbs generate a lot of flaws. Moreover, the power bulb module works... The portable, ultra-portable projector needs to be expanded. The projector's weight is declining and its appearance is smaller than that of the instrument: 'The temperature inside the projector is getting higher and higher. It belongs to the high-precision opto-mechatronics product. Its internal:: It is very sensitive to temperature. If it is not discharged in time, the efficiency will be reduced; and it will work in this environment for a long time: Instrument: The service life of the shirt will also be Greatly shortened. Therefore, it is necessary to have two heat dissipation structures to disperse the internal components of the device. Under the trend of miniaturization of the projector, the projector has high requirements on the heat dissipation structure, the layout and the heat dissipation capability. = Force: = It is necessary to provide a projector with good heat dissipation and a thermal structure. - A projector with a heat-dissipating structure, including a chassis, bit 200928563 The heat dissipation structure in the chassis includes 'heat dissipation and heat absorption of the heat absorbing plate'. The board absorbs and passes: _ fully quickly. [Embodiment] Please refer to the figure Ο The camera includes a machine; and is located in the chassis 30. Please refer to the two light sources 20, each of the light source plate 210 and the ampoule 230. The two light sources are perpendicular to each other, and the two light sources 110 are disposed behind the concentrating mirror 120; the mirror 140 reaches a heat sink structure that is projected onto the screen and combined with the light source. a heat absorbing plate that absorbs heat from the light source, a heat pipe that is away from the device and that connects the heat absorbing plate and the heat sink. In contrast, the heat generated by the light source is transmitted from the heat absorbing heat pipe to the heat sink, and is radiated, and the heat dissipation 1 and FIG. 2, the present invention has a heat dissipating structure, and the two light sources 20 10 disposed in the casing 10 And the heat sink connected to the two light sources 2〇, FIG. 3, the chassis 1 is a square housing located at one side of the chassis 10. The embodiment 20 is a light-emitting diode bulb, and the circuit board 21 including the LEDs 20 mounted on the circuit board 210 is perpendicular to the light-emitting direction of the photodiode 230 in the chassis 10. Between the sources 20, a light emitted by the first concentrating mirror 20 passes through the condensing mirror 110, and then the spectroscope 120 on the side of the first mirror 110 is disposed. After passing through the liquid crystal panel 130 and a second condensed light, the lens 15 is disposed on the chassis 10, thereby being imaged. A liquid crystal control circuit 1 31 is located on the other side of the chassis 200928563 ίο, and the liquid crystal panel 13 is fabricated by referring to FIG. 4〇, located in the wind belongs to the household: the heat dissipation structure 30 includes a wind source, a light source, a light source, a 〇 之 之 之 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第The heat pipe 80 is connected to another light source plate 7 . The first heat sink 50 and the heat absorbing fan 4 are disposed corresponding to the ❹ (not shown) and the side of the air duct 之一 ^ the machine phase 10 of the side 10 of the private machine phase. Poor one, source 20, brother a radiator 5 〇, second. The light and the tube 80 are set in the air outlet of the government, the right side, the heat 60, and the heat absorbing plate. Referring to Fig. 3, the fan 40 includes a plurality of blades 4 that extend outwardly from the hub 410, such as the hub 41, and one end of the hub 41, extending outwardly into a fixed portion 43A. The rim portion 430 is a disc-shaped structure having a larger diameter than the wheel _ the external fe. An arm 431 extending further outward from the periphery of the fixing portion 43. The three fixed arms 431 are evenly distributed on the circumference of the 谤^, 43〇. The proximal end of each of the fixed arms 431 is provided with a 疋 432 for fixing the fan 4 to the boring frame 440 by the screw 90. The fixing frame 44 includes a pair of positioning pieces 441 fixed to the fixed sound, and two second positioning pieces 446 from the two ends of the fixing piece 441 to the second positioning piece 4 and the second positioning piece 4, respectively. The diagnostic extension piece 441 is substantially in the shape of a butyl. The fixing piece 441 is provided with a fixing hole 442 corresponding to the fixed arm fixing hole 432, so that the screw 431 9 is pierced through the fixing holes 442, 432 to fix the fan 40 to the fixing frame 440. The two first positioning pieces 444 and the fixing piece 441 are substantially in the shape of a wrench. The two first positioning pieces 444 are slightly bent toward one side of the fixing piece .441. The two first positioning pieces 444 have a notch (not shown) between them. The second positioning piece .446 is substantially perpendicular to the fixing piece 441 and is located on the same side of the fixing piece 4 4 6 with the first positioning piece 444. A notch (not labeled) is disposed between the two second positioning pieces 4 4 6 . The second positioning piece is longer than the first positioning piece 444. The heat absorbing plate 70 is a square plate body made of a metal material having good thermal conductivity. The heat absorbing plate 70 has a bottom surface 711. The heat absorbing plate 70 is recessed by a groove 713 for receiving the heat pipe 80. One end of the heat absorbing plate 70 is recessed to form a step (not shown) on the bottom surface 711. The end of the first positioning piece 444 of the fixing frame 440 is positioned at the step. The light source 20 is attached to a heat absorbing surface (not shown) of the heat absorbing plate 70 opposite to the bottom surface 711. The first heat sink 50 is integrally extruded from a metal material and includes a first bottom plate 510 and a plurality of parallel first fins 5 30 extending outwardly from the first bottom plate 510. The first bottom plate 510 has a first bottom surface 511. The first bottom plate 510 is provided with a groove 513 for receiving the heat pipe 80 inwardly from the bottom surface 511. One end of the first bottom plate 510 is recessed to form a step (not shown) on the bottom surface 511. The end of the second positioning piece 446 of the fixing frame 440 is positioned at the step. 9 200928563 The heat pipe 80 is generally L-shaped with a segment 820 and a 830 extending from the first heat transfer segment 810. The first heat transfer section 810 and the second heat transfer form a corner. The first heat transfer section 810 is first housed in the heat absorbing plate 70 and the first spurs 713 and 513, respectively. The first heat transfer section 810 has a plane of 7 13 which is flush with the bottom surface 711 of the curved surface 70 to which the heat absorbing plate 70 is attached. The second ridge has a curved surface that is received in the groove 513 and is in contact with the first slab bottom plate 5 10 and a plane flush with the first bottom 511. The second heat sink 60 includes a second second bottom plate 610 disposed on the second bottom plate 610, and has two opposite sides, and the other light source 20 is disposed on the other side. 630. The second fin 630 is substantially L-shaped and includes a second bottom plate (not labeled) and perpendicular to the second bottom plate 610. In the heat sink structure 30, the first first fin 530 and the second heat sink 60 are between the second bottom plate 610 of the first bottom plate 510 60 of the first heat sink 50. The groove of the heat transfer structure 830 & 50 is received in the groove between the heat exchanger structure 30 and the second heat transfer section 830 of the first heat transfer. And the heat transfer section 830 of the heat absorbing plate 830 has a bottom plate 6 10 of the first plate 510 of the device 50 and a bottom plate; the second fin 630 ° is attached to the second fin, and the second fin is bonded by the metal piece 6 10 The heat dissipation portion of the portion (not the second fin 630 of the heat sink 50 and the second radiator 10, the heat sink 10, the heat sink 10 200928563 board 70 and the first heat sink 50 are respectively close to the chassis i ()

A 's^· »» ypB adjacent to the side wall. The corner of the heat pipe 80 corresponds to the corner of the chassis. In operation, the light source 20 works to emit light, and at the same time, generates 77 heat, wherein the heat generated by one light source 20 is collected by the heat absorbing plate 7 〇 = and transmitted to the first heat sink 5 through the heat pipe 80, and the light is -20 The generated heat is absorbed by the second heat sink 6〇, and the heat generated by the source and the source is quickly and timely transmitted out at the fan.

The application of the first heat sink 50 and the second heat sink 6 is rapidly dissipated. Compared with the prior art, the heat generated by the two light sources 2〇 is transmitted from the heat pipe 80 to the first heat sink 5〇 and directly absorbed by the first two tubes 60, and the fan 40 directly corresponds to the light source 2 The first and second heat sinks 50, 60 enable the heat on the components to be quickly dissipated. In addition, the heat dissipating mechanism 3 is located at the corner of the machine phase 10, and the heat absorbing plate 7 and the first The heat-dissipating crying is respectively adjacent to two adjacent side walls of the chassis 10, and the heat pipe 80 connecting the heat-absorbing plate 70 and the first heat sink 50 is disposed at a corner corresponding to the corner of the chassis, which is convenient for layout and space saving. As described above, the present invention complies with the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and those who are familiar with the skill of the present invention are equivalent in the spirit of the present invention. Modifications or variations are to be included in the scope of the following claims. [Simplified illustration of the drawings] 11 200928563 Fig. 1 is a perspective assembled view of a projector having a heat dissipating structure according to the present invention. Fig. 2 is a plan view of Fig. 1. Heat dissipation structure and light source in Figure 1. Figure 3 is a three-dimensional combination of the heat dissipation structure of Figure 3. [Main component symbol description]

机箱 Chassis 10 - concentrator 110 beam splitter 120 liquid crystal panel 130 control circuit 131 second concentrator 140 lens 150 light source 20 circuit board 210 light emitting diode 230 heat dissipation structure 30 fan 40 hub 410 blade 420 fixed part 430 fixed arm 431 fixed Hole 432 holder 440 fixing piece 441 fixing hole 442 first positioning piece 444 second positioning piece 446 first heat sink 50 first bottom plate 510 bottom surface 511 groove 513 first piece 530 second diffuser 60 second bottom plate 610 No. - Korean film 630 suction plate 70 bottom surface 711 12 200928563

Groove 713 Heat pipe 8Q • First heat transfer section 810 Second heat transfer section 830 • Screw 9〇 ❹

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Claims (1)

200928563 X. Patent application scope 1. A projector having a heat dissipation structure, comprising a chassis, a light source located in the chassis and a heat dissipation structure combined with the light source, wherein the heat dissipation structure comprises an endothermic heat absorption from the light source a plate, a heat sink remote from the heat absorbing plate, and a heat pipe connecting the heat absorbing plate and the heat sink. 2. The projector having a heat dissipation structure according to claim 1, wherein the heat dissipation structure further comprises a fan for providing convection current to the light source, the heat absorbing plate and the heat sink. 3. The projector having a heat dissipating structure according to claim 2, wherein the fan is fixed to a holder fixed to the heat absorbing plate and the heat sink. 4. The projector having a heat dissipation structure according to claim 3, wherein the fan comprises a hub and a fixing portion extending integrally from one end of the hub, the holder comprising a fixing piece and the fixing piece The first positioning piece and the second positioning piece extending at both ends, the fixing portion is fixed to the fixing piece. 5. The projector having a heat dissipating structure according to claim 4, wherein the fixing portion has a diameter larger than the outer diameter of the hub. 6. The projector having a heat dissipating mechanism according to claim 4, wherein the first positioning piece is provided with a notch corresponding to the heat pipe. 14 200928563 7. The projector having a heat dissipation structure according to claim 4, wherein the second positioning piece is provided with a notch corresponding to the heat pipe. The projector having a heat dissipation structure according to the fourth aspect of the invention, wherein the periphery of the fixing portion extends outwardly from the plurality of fixed arms, and the fixed arm is fixed to the fixing piece by screws. 9. The heat sink structure projector has a heat dissipation structure projector, wherein one end of the heat absorption plate is provided with a step, and the first positioning piece is positioned to the step. 1 . The projector having a heat dissipation structure according to claim 4, wherein the heat sink comprises a heat pipe combined with the bottom plate and a plurality of fins extending from the bottom plate, wherein the bottom plate is provided with a step, the first A projector having a heat dissipating structure according to any one of claims 1 to 10, wherein the heat dissipating structure is located at a corner of the chassis. 12. The projector having a heat sink according to claim 11, wherein the fan is adjacent to a side wall of the chassis. The heat sink is adjacent to an adjacent side wall of the chassis, and the heat pipe should have a corner at a corner of the chassis. The projector having a heat dissipation structure according to any one of claims 1 to 10, wherein the heat dissipation structure further comprises a second heat sink, the second heat sink including one and the other The end of the 〇 〇 该 该 5 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 16