CN100432835C - Lamp with heat radiating effect - Google Patents
Lamp with heat radiating effect Download PDFInfo
- Publication number
- CN100432835C CN100432835C CNB011163445A CN01116344A CN100432835C CN 100432835 C CN100432835 C CN 100432835C CN B011163445 A CNB011163445 A CN B011163445A CN 01116344 A CN01116344 A CN 01116344A CN 100432835 C CN100432835 C CN 100432835C
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- CN
- China
- Prior art keywords
- bulb group
- thermal insulation
- insulation board
- heat radiation
- cyclonic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to a lamp with a heat radiation effect, which comprises a bulb group and a cyclonic heat radiating and current guiding dome positioned at the outer side of the bulb group so as to generate a rotary air current flowing through the outer side wall of the bulb group. The cyclonic heat radiating and current guiding dome of the present invention also comprises a plurality of blades and a reduced neck part. When air current passes through the cyclonic heat radiating and current guiding dome, a rotary air current is formed to flow through the outer side wall of the bulb group by the current guiding functions of the blades and the reduced neck part, and thus, heat can be effectively and rapidly radiated. The lamp of the present invention additionally comprises a first heat insulating plate and a second heat insulating plate for isolating radiation heat energy.
Description
Technical field
The present invention relates to a kind of light fixture, particularly relate to a kind of light fixture with radiating effect.
Background technology
At present, light fixture on the market is for the accent light effect, and employed bulb wattage constantly upwards improves, and the bulb that for example is used in projector can be up to 200 watts.In this case, be necessary to provide a kind of have quick heat radiating and the good light fixture of radiating effect.
Because general employed light fixture except using the fan heat radiation, utilizes other devices to be assisted in addition and quickens heat radiation at present.In fact,, will surpass the safety standard higher limit of equipment surface temperature, may cause burn and scald, cause product can't use safely at all the end user if lack good heat abstractor.On problems such as heat conduction and radiating airflow, be necessary to provide a solution at above-mentioned.
Summary of the invention
The object of the present invention is to provide a kind of light fixture, to address the above problem with radiating effect.
The object of the present invention is achieved like this, and a kind of light fixture with radiating effect promptly is provided, and comprising: a bulb group, and this bulb group has a lateral wall outward, a light source exit face and a luminophor; An and Cyclonic heat radiation kuppe, be positioned at the outside of this bulb group, described Cyclonic heat radiation kuppe comprises a necking section, at least one fixedly receiving portion and a plurality of blade, wherein said blade is at described necking section and described fixedly between the receiving portion, for flow through at least a portion of lateral wall of this bulb group of a rotation type air current.
The present invention can comprise one first thermal insulation board and one second thermal insulation board in addition, with isolated radiant heat energy.
The present invention also comprises a projector, comprises the above-mentioned light fixture that defines.
Preferably, Cyclonic heat radiation kuppe can produce air-flow by a fan, when this air communication is crossed Cyclonic heat radiation kuppe, forms the rotation type air current bulb group lateral wall of flowing through, and the heat of bulb group lateral wall is taken away.
The advantage of apparatus of the present invention is, it can provide Cyclonic heat radiation kuppe formed rotation type air current, except the flow velocity that quickens radiating airflow taking away fast the heat, the flow process that more can extend, the heat transfer time that increases air-flow is to improve radiating efficiency; Moreover rotation type air current can reduce the air-flow dead angle, effectively increases the utilization factor of radiating airflow; And the easier maintenance of the surface temperature of bulb group is even.
Description of drawings
Below in conjunction with accompanying drawing, describe embodiments of the invention in detail, wherein:
Fig. 1 is the composition diagram of apparatus of the present invention;
Fig. 2 is the element exploded view of apparatus of the present invention;
Fig. 3 A, Fig. 3 B are the side sectional view of the Cyclonic heat radiation kuppe of apparatus of the present invention;
Fig. 4 is the front section view of the thermal insulation board of apparatus of the present invention.
Embodiment
At first please refer to Fig. 1, it is the outside drawing after light fixture 10 combinations according to the present invention are finished.According to an embodiment, the disclosed light fixture 10 of the present invention comprises a bulb group 11 and Cyclonic heat radiation kuppe 12.Preferably, light fixture 10 also comprises a fixed component 13, in order to fixing bulb group 11 and Cyclonic heat radiation kuppe 12.Produce air-flow by a fan (be not illustrated among Fig. 1, please refer to component symbol shown in Figure 2 14), when air communication is crossed Cyclonic heat radiation kuppe 12, form the flow through lateral wall of bulb group 11 of rotation type air current, the heat on bulb group surface is taken away.
The formed rotation type air current of Cyclonic heat radiation kuppe has multiple advantages: except the flow velocity that quickens radiating airflow to take away fast the heat, flow process more can extend.Just revolving air-flow is longer than the flow process of orthoscopic air-flow, with the heat transfer time of increase air-flow, and reaches the effect that improves radiating efficiency.Moreover rotation type air current can reduce the air-flow dead angle, effectively increases the utilization factor of radiating airflow.And the easier maintenance of the surface temperature of bulb group is even, obtains its temperature through experimental result and can reduce to 219 ℃ from 313 ℃.
Please refer to Fig. 2, the element exploded view of its illustration light fixture 10 of the present invention.Cyclonic heat radiation kuppe 12 comprises a necking section (be not shown among Fig. 2, please refer to component symbol shown in Figure 3 122), and at necking section 122 and fixing a plurality of blades 123 between the receiving portion 121.The tail end 112 of bulb group 11 is positioned at the necking section 122 of Cyclonic heat radiation kuppe 12, utilize this streamline moulding to quicken the rotation type air current bulb group lateral wall 111 of flowing through, and the increasing by the space in noise reduction district 124, slowing down the flow velocity of air-flow, cross the noise that necking section 122 is produced thereby lower because of air communication.
Preferably, the present invention also comprises a fan 14, produces air-flow thus, and makes air communication cross Cyclonic heat radiation kuppe 12, and the surface by the water conservancy diversion of a plurality of blades 123 in bulb group 11 forms rotation type air current, to take away the heat on bulb group surface.
Fig. 3 A is the side sectional view of explanation Cyclonic heat radiation of the present invention kuppe 12, side sectional view after itself and bulb group 11 make up then please refer to Fig. 3 B, bulb group 11 is made up of a lateral wall 111, luminous exit face 113, luminophor 114 and tail end 112, keep certain apart from T between the lateral wall 111 of bulb group 11 and the Cyclonic heat radiation kuppe 12, be about 10～15 millimeters in the present embodiment.When producing air-flow when fan (as the symbol 14 that Fig. 2 indicated) rotation, because the linear flow structure of Cyclonic heat radiation kuppe 12 and the water conservancy diversion of blade (label 123 as shown in Figure 3A), and form rotation type air currents at bulb group lateral wall 111.Cross the noise that necking section (label 122 as shown in Figure 2) is caused in order to reduce air communication, form a noise reduction district 124 in necking section 122 rear ends of Cyclonic heat radiation kuppe 12 and reduce noise to slow down air-flow.
For the fixed component that further specifies in the present embodiment please refer to Fig. 2.At first please refer to the fixed component of component symbol shown in Figure 1 13, a frame 131 and a bracing frame 132 before comprising one, as shown in Figure 2, combine with the fixedly receiving portion 121 of Cyclonic heat radiation kuppe 12, with fixing bulb group 11 and Cyclonic heat radiation kuppe 12, for example by screw in conjunction with being fixed.As shown in Figure 2, the preceding frame 131 of present embodiment is positioned at the outside of bulb group light source exit face 113, bracing frame 132 is between bulb group 11 and Cyclonic heat radiation kuppe 12, combine with the fixedly receiving portion 121 of Cyclonic heat radiation kuppe 12, with fixing bulb group 11 and the Cyclonic kuppe 12 that dispels the heat.
Further, bracing frame 132 of the present invention also comprises the one first thermal insulation board 132a and the second thermal insulation board 132b (as shown in Figure 2).Next please refer to Fig. 4, this first thermal insulation board 132a comprises one first outer panel 132a ', and have hole 132c and 132c ' respectively, these hole projections are staggered in the position of surface level, therefore most of radiant heat energy can be isolated by the first thermal insulation board 132a, partial heat energy can be transmitted to interlayer between the first thermal insulation board 132a and the first outer panel 132a ' by hole 132c, because of hole 132c and hole 132c ' position for staggered, heat energy can directly not pass hole 132c ', and can remain in the interlayer, take away by the air-flow that fan 14 produces, shown in Fig. 4 arrow.Similarly, also form another interlayer between the first outer panel 132a ' and shell, also can be taken away by the air-flow that fan 14 produces by the heat energy that hole 132c ' is conducted, and reach preferable isolated radiant heat energy, identical effect also can be used between the second thermal insulation board 132b and the second outer panel 132b '.
Be noted that the mentioned bulb group 11 of the present invention comprises bulb group lateral wall 111, bulb group tail end 112, bulb group light source exit face 113 and luminophor 114.Wherein, luminophor 114 can be single bulb or a plurality of bulb, also can be other and may be applied to arbitrary light-emitting component of the present invention.
Can dispel the heat effectively apace by disclosed Cyclonic heat radiation kuppe, to reach the light fixture that meets safety standard.Should be appreciated that, though apparatus of the present invention mainly are to be applicable on the light fixture of projector for example etc., be not limited to this, other utilize the present invention to disclose the enforcement of the made light fixture of spirit and element, and it is claimed all to belong to the present invention.And, use and comprise the projector of above disclosed light fixture, also be that the present invention is claimed.
More than preferred embodiment described in detail be in order to more clearly to describe feature of the present invention and spirit, but not in order to limit category of the present invention.Claim of the present invention should be done the broadest explanation according to above-mentioned explanation, and contains change that institute might equalization and the arrangement with isotropism.
Claims (7)
1. light fixture with radiating effect comprises:
One bulb group, this bulb group has a lateral wall, a light source exit face and a luminophor;
One Cyclonic heat radiation kuppe, be positioned at the outside of this bulb group, described Cyclonic heat radiation kuppe comprises a necking section, at least one fixedly receiving portion and a plurality of blade, wherein said blade is at described necking section and described fixedly between the receiving portion, for flow through at least a portion of lateral wall of this bulb group of rotation type air current; And
One fan, this fan produces air-flow, and this air communication is crossed this Cyclonic heat radiation kuppe to form this rotation type air current.
2. light fixture according to claim 1, wherein this light fixture also comprises a fixed component, in order to fix this bulb group and this Cyclonic heat radiation kuppe.
3. light fixture according to claim 2, a frame and a bracing frame before wherein this fixed component comprises one, frame is positioned at the outside of this bulb group light source exit face before being somebody's turn to do, this bracing frame is between this bulb group and this Cyclonic heat radiation kuppe, and this Cyclonic heat radiation kuppe comprises at least one fixedly receiving portion, be somebody's turn to do preceding frame and this bracing frame in order to connect, to fix this bulb group and this Cyclonic heat radiation kuppe.
4. light fixture according to claim 3, wherein this bracing frame also comprises one first thermal insulation board, it is positioned at first outside of this bulb group; And one second thermal insulation board, it is positioned at second outside of this bulb group with respect to this first thermal insulation board, and wherein this first thermal insulation board and this second thermal insulation board are in order to isolated radiant heat energy.
5. light fixture according to claim 4, wherein this first thermal insulation board also comprises one first outer panel, this first thermal insulation board and this first outer panel have at least one hole respectively, and this each hole projection is staggered in the position of surface level, so that the heat energy major part stays between this first thermal insulation board and this first outer panel.
6. light fixture according to claim 5, wherein the heat energy between this first thermal insulation board and this first outer panel is taken away by air-flow.
7. a projector comprises claim 1 or 4 or 5 or 6 described light fixtures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011163445A CN100432835C (en) | 2001-04-11 | 2001-04-11 | Lamp with heat radiating effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011163445A CN100432835C (en) | 2001-04-11 | 2001-04-11 | Lamp with heat radiating effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1379207A CN1379207A (en) | 2002-11-13 |
| CN100432835C true CN100432835C (en) | 2008-11-12 |
Family
ID=4662458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011163445A Expired - Fee Related CN100432835C (en) | 2001-04-11 | 2001-04-11 | Lamp with heat radiating effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432835C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359160B (en) * | 2007-08-01 | 2010-06-09 | 台达电子工业股份有限公司 | Illuminating system for projection apparatus and guidance device for cooling gas flow thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1048747A (en) * | 1996-08-06 | 1998-02-20 | Hitachi Ltd | Cooling device for projection type liquid crystal display device |
| JPH10188610A (en) * | 1996-12-24 | 1998-07-21 | Toshiba Lighting & Technol Corp | Luminaire |
| CN2329361Y (en) * | 1998-03-04 | 1999-07-21 | 谢兆达 | Lamps and lanterns |
| GB2335027A (en) * | 1998-03-02 | 1999-09-08 | Pag Ltd | Light assembly with removable bulb holder |
| US6004010A (en) * | 1996-12-06 | 1999-12-21 | Hitachi, Ltd. | Light source device of liquid crystal projector |
-
2001
- 2001-04-11 CN CNB011163445A patent/CN100432835C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1048747A (en) * | 1996-08-06 | 1998-02-20 | Hitachi Ltd | Cooling device for projection type liquid crystal display device |
| US6004010A (en) * | 1996-12-06 | 1999-12-21 | Hitachi, Ltd. | Light source device of liquid crystal projector |
| JPH10188610A (en) * | 1996-12-24 | 1998-07-21 | Toshiba Lighting & Technol Corp | Luminaire |
| GB2335027A (en) * | 1998-03-02 | 1999-09-08 | Pag Ltd | Light assembly with removable bulb holder |
| CN2329361Y (en) * | 1998-03-04 | 1999-07-21 | 谢兆达 | Lamps and lanterns |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1379207A (en) | 2002-11-13 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: QISDA CORPORATION Free format text: FORMER NAME: BENQ CORP. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 000000 Taoyuan County, Taiwan, China Patentee after: Qisda Corporation Address before: 000000 Taoyuan County, Taiwan, China Patentee before: Benq Corp. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20120411 |