CN1503314A - Illumination appliances utilizing microwave - Google Patents

Illumination appliances utilizing microwave Download PDF

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Publication number
CN1503314A
CN1503314A CNA021531293A CN02153129A CN1503314A CN 1503314 A CN1503314 A CN 1503314A CN A021531293 A CNA021531293 A CN A021531293A CN 02153129 A CN02153129 A CN 02153129A CN 1503314 A CN1503314 A CN 1503314A
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China
Prior art keywords
heat
refrigerant
ligthing paraphernalia
heat exchanger
utilizes microwave
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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.)
Pending
Application number
CNA021531293A
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Chinese (zh)
Inventor
李在振
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LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CNA021531293A priority Critical patent/CN1503314A/en
Publication of CN1503314A publication Critical patent/CN1503314A/en
Pending legal-status Critical Current

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Abstract

An illuminating device includes a magnetron, a bulb part, a waveguide tube, a tank with a cooling device in it, the cooling system includes heat exchangers, a heat discharge part and a cold medium device, the heat exchangers are adhered to the outside parts of all heating components and a path is formed on it for the flowing cold medium, the heat discharge is set out of the tank to discharge heat of the heated clod medium, the flowing device is set between the outlet of the heat discharge part and inlet of the exchanger, a cold medium tank is between the discharge part and the flowing device in a closed structure.

Description

Utilize the ligthing paraphernalia of microwave
Technical field
The present invention relates to microwave, relate in particular to the ligthing paraphernalia and the cooling thereof that utilize microwave.
Background technology
The ligthing paraphernalia of general using microwave (micro wave) is electrodeless (electrodeless) plasma (plasma) bulb to be applied microwave send visible rays or ultraviolet device, it is compared with incandescent lamp or fluorescent lamp, has the life-span length of lamp, the advantage of good illumination effect.
Embodiment to the ligthing paraphernalia that utilizes microwave of prior art describes below with reference to back accompanying drawing paper.
Fig. 1 is the skiagraph of an embodiment that utilizes the ligthing paraphernalia of microwave.As shown in the figure, the ligthing paraphernalia that utilizes microwave of prior art comprises casing (casing) (1), magnetron (magnetron) (2), high pressure generator (high voltage generator) (3), waveguide (wave guide) (4), bulb portion (5), resonator (6), speculum (7), lures electric somascope (8), cooling fan assembly (9).
Magnetron (magnetron) (2) is arranged on the inside of casing (casing) (1), is used to produce microwave; High pressure generator (high voltage generator) (3) will be used the AC power liter always and become high voltage, and high voltage is supplied to magnetron (2); Waveguide (wave guide) (4) is connected with the export department of magnetron (2), transmits the microwave that magnetron (2) produces; Bulb portion (5) inner sealing has luminescent substance, by the microwave energy that waveguide (4) sends, makes the luminescent substance plasma of sealing produce light; Resonator (6) covers the place ahead of waveguide (4) and bulb portion (5), and the light that prevents microwave leakage and above-mentioned bulb (5) is sent passes through; Speculum (7) contains above-mentioned resonator (6), the light of bulb portion (5) generation is concentrated be transmitted into the place ahead; Lure electric somascope (8) to be arranged on resonator (6) inside of bulb portion (5) rear side, make microwave by launching light; Cooling fan assembly (9) is arranged on a side of casing (1), cooling magnetron (2) and high pressure generator (3).
Bulb portion (5) is made of illuminating part (5a) and axial region (5b), and illuminating part (5a) is formed by quartzy or pottery, and illuminating part (5a) inside has been sealed luminescent substance up for safekeeping, and luminescent substance can be luminous by the excitation of microwave; Axial region (5b), prolongs to the inside of casing (1) on illuminating part (5a) by solder bond.
Bulb portion (5) is rotating the high temperature that cooling illuminating part (5a) produces by motor (10).
Utilize the course of work of the ligthing paraphernalia of microwave to carry out simple declaration to prior art below with said structure.
Along with applying power supply from the outside, magnetron (2) produces microwave, and the microwave that magnetron (2) produces is by the illuminating part (5a) of waveguide (4) and resonator (6) exciter bulb portion (5), and illuminating part (5a) beginning is luminous.The light that illuminating part (5a) sends is carried out the function of ligthing paraphernalia through speculum (7) reflection.
But, the ligthing paraphernalia that utilizes microwave of prior art in the course of the work, magnetron (2), waveguide (4), high pressure generator parts such as (3) are sent a lot of heats, for cooling heat, usually as shown in Figure 1, utilize the cooling fan assembly to make extraneous air flow into the inside of casing (1), magnetron (2), waveguide (4), high pressure generator heat generating part such as (3) are cooled off.
But above-mentioned ligthing paraphernalia not only is used in indoor but also is used in outdoor, if the above-mentioned ligthing paraphernalia of microwave that utilizes adopts the air-cooled type of cooling fan that magnetron (2), waveguide (4), high pressure generator heat generating components such as (3) are cooled off, then innerly can flow into foreign matter such as outside insect, dust or rainwater etc., can cause destroying interior arrangement, shorten problem such as appliance life.
In addition, especially in order to improve the brightness of ligthing paraphernalia, when very big, the heat of dispersing utensil inside effectively particularly needs with the Capacity design of ligthing paraphernalia.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides a kind of ligthing paraphernalia that utilizes microwave, the heat exchanger of the stream by will being formed with refrigerant is arranged on the outside portion of inner heat parts, more effectively the heat that above-mentioned inner heat parts are produced is emitted to the outside, prevents that foreign from flowing into inner airtight cooling structure so can form.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of ligthing paraphernalia that utilizes microwave comprises magnetron, bulb portion, waveguide (wave guide), casing.Described magnetron is used to produce microwave; Described bulb portion produces light by above-mentioned microwave; Described waveguide (wave guide) links above-mentioned bulb portion and magnetron, gives bulb portion with the microwave transfer that magnetron produces; Casing contains magnetron and waveguide and combines with bulb portion, also be provided with cooling device in the casing, for the ligthing paraphernalia that utilizes microwave with said structure, feature of the present invention is that the ligthing paraphernalia cooling system of microwave that utilizes of the present invention comprises heat exchanger, heat unit and refrigerant flow device.Described heat exchanger is formed with the stream of the refrigerant that flows attached to the outside portion of the magnetron of ligthing paraphernalia on the described heat exchanger; Described heat unit is arranged on the outside of casing, will carry out heat release through the heat of the heated refrigerant of stream of over-heat-exchanger; Described flow device is arranged between the inlet of described heat unit outlet and heat exchanger, impels refrigerant to be circulated in heat exchanger and heat unit.
In addition, the general ligthing paraphernalia that utilizes microwave comprises magnetron, bulb portion, waveguide (waveguide), casing.Described magnetron is used to produce microwave; Described bulb portion produces light by microwave; Described waveguide (wave guide) links bulb portion and magnetron, gives above-mentioned bulb portion with the microwave transfer that magnetron produces; Described casing is accommodated magnetron and waveguide, and combines with above-mentioned bulb portion, also is provided with cooling device in the casing.For the ligthing paraphernalia that utilizes microwave with said structure, feature of the present invention is that the ligthing paraphernalia cooling system of microwave that utilizes of the present invention comprises heat exchanger, heat unit and refrigerant flow device.Described heat exchanger is formed with the stream of the refrigerant that flows attached to the outside portion of the inner heat parts of ligthing paraphernalia on the described heat exchanger; Described heat unit is arranged on the outside of casing, will carry out heat release through the heat of the heated refrigerant of stream of over-heat-exchanger; Described refrigerant flow device is arranged between the inlet of heat unit outlet and heat exchanger, impels refrigerant to be circulated in heat exchanger and heat unit.
By having the ligthing paraphernalia that utilizes microwave of the present invention of said structure, can bring following effect.
Because can the above-mentioned ligthing paraphernalia inside of microwave that utilizes is airtight, prevented to flow into foreign matter to box house, not only can be used in outdoorly, and prevent the damage that outside inflow material or heat of high temperature cause interior arrangement, prolong the life-span of ligthing paraphernalia.
In addition, because the present invention has improved the cooling effectiveness of the ligthing paraphernalia that utilizes microwave, the capacity of ligthing paraphernalia can be enlarged, and reduce the size of ligthing paraphernalia.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the skiagraph of an embodiment that utilizes the ligthing paraphernalia of microwave.
Fig. 2 is the schematic diagram of the cooling system of the present invention's ligthing paraphernalia of utilizing microwave.
Fig. 3 is the schematic diagram of the heat generating components of the present invention's ligthing paraphernalia of utilizing microwave.
Fig. 4 is the heat exchanger schematic diagram of the present invention's ligthing paraphernalia of utilizing microwave.
Fig. 5 a, Fig. 5 b and Fig. 5 c are that the cooling system of the present invention's ligthing paraphernalia of utilizing microwave is with the embodiment of coil state attached to the heat exchanger on the magnetron.
Fig. 6 a, Fig. 6 b and Fig. 6 c are that the cooling system of the present invention's ligthing paraphernalia of utilizing microwave is with the enforcement illustration of chest state attached to the heat exchanger on the magnetron.
Fig. 7 is the sectional drawing of Fig. 6 a.
Fig. 8 is the enforcement illustration of the heat exchanger of the cooling waveguide in the cooling system of the present invention's ligthing paraphernalia of utilizing microwave.
Fig. 9 is the schematic diagram of the cooling system of the present invention's ligthing paraphernalia of utilizing microwave.
Figure 10 is the embodiment sectional drawing of refrigerant jar of the cooling system of the present invention's ligthing paraphernalia of utilizing microwave.
The number in the figure explanation:
10: flow device 20: the refrigerant jar
30: inner heat parts 40: heat unit
50: bulb portion 51: casing
60: heat exchanger 70: the heat release module
Embodiment
As shown in Figure 2, for the ligthing paraphernalia that utilizes microwave that comprises the inner heat parts (30) that bulb portion (50) and casing (51) are inner, the ligthing paraphernalia cooling system of microwave that utilizes of the present invention comprises heat exchanger (60), heat unit (40) and refrigerant flow device (10).Heat exchanger (60) is formed with the stream of the refrigerant that flows attached to the outside portion of ligthing paraphernalia inner heat parts (30) on the heat exchanger (60); Heat unit (40) is arranged on the outside of casing (51), will carry out heat release through the heat of the heated refrigerant of stream of over-heat-exchanger (60); Refrigerant flow device (10) is arranged between the inlet of heat unit (40) outlet and heat exchanger (60), impels refrigerant to be circulated in heat exchanger (60) and heat unit (40).
As shown in Figure 3, the above-mentioned ligthing paraphernalia of microwave that utilizes comprises magnetron (31), waveguide (33) and casing (51).Magnetron (31) is used to produce microwave; Above-mentioned waveguide (33) links magnetron (31) and bulb portion (50), gives above-mentioned bulb portion (50) with the microwave transmission that magnetron (31) produces; Casing (51) contains magnetron (31) and waveguide (33), combines with bulb portion (50).
In addition, can also comprise high pressure generator (32) and capacitor (34) etc. according to the above-mentioned needs of the ligthing paraphernalia of microwave that utilize.
Especially, as shown in Figure 3, in the above-mentioned ligthing paraphernalia that utilizes microwave, comprise magnetron (31), waveguide (33), apply high pressure generator (32), capacitor (34) of power supply etc. to magnetron (31), these temperature that produce a lot of heats when all being the above-mentioned ligthing paraphernalia work that utilizes microwave are up to the inner heat parts more than the 100, and the order of the caloric value of generation is magnetron (31), high pressure generator (32), waveguide (33), capacitor (34) successively.
For the stability and the life-span of when the ligthing paraphernalia that utilizes microwave is worked, improving interior arrangement, the heat that the inner heat parts produce need be emitted, that is to say, need cool off.
As shown in Figure 4, be formed with resettlement section (60c), a plurality of refrigerant flow (60d), inflow entrance (60a), outlet (60b) on the heat exchanger (60).Resettlement section (60c) is used to accommodate inner heat parts (30); A plurality of refrigerant flows (60d) are formed on the inside of resettlement section (60c); Inflow entrance (60a) is formed on an end of a plurality of refrigerant flows (60d), is used for the inflow of refrigerant; Outlet (60b) is formed on the other end of heat exchanger (60), is used for the discharge of refrigerant.Heat exchanger (60) can be arranged to varied according to the shape of inner heat parts (30).
Shown in Fig. 5 a, Fig. 5 b and Fig. 5 c, for the heat exchanger (61) that cools off magnetron (31) has the tubular structure that is wound on magnetron (31) outside portion with the coil state.
Shown in Fig. 6 a, Fig. 6 b and Fig. 6 c, for the heat exchanger (62) that cools off magnetron (31) has with boxed-section shape attached to the tubular structure on magnetron (31).
As shown in Figure 8, be used to cool off the heat exchanger (63) of waveguide (33) by inflow entrance (63a), outlet (63b), a plurality of coil shape pipe (63d) formation.Inflow entrance (63a) is used for the inflow of refrigerant; Outlet (63b) is used for the discharge of refrigerant; A plurality of coil shape pipes (63d) link inflow entrance (63a) and outlet (63b), and a plurality of coil shape pipe (63d) inner streams have the refrigerant flow of refrigerant, attached to the outside portion of waveguide (33).The heat exchanger (63) that is used for waveguide (33) preferably forms one with waveguide (33), is formed in the outer wall of waveguide (33).
Be used to cool off the heat exchanger (60) of high pressure generator (32) or capacitor (34), can adopt coil shape pipe according to the shape of the heat exchanger that is used to cool off magnetron or waveguide or be formed with the chest shape heat exchanger of the resettlement section of accommodating above-mentioned high pressure generator or accommodating capacitor.
In addition as shown in Figure 2, in order to carry out heat exchange more smoothly in casing (51) inside of the ligthing paraphernalia that utilizes microwave, the inside of casing (51) preferably is provided for the fan (52) of air flows.
As shown in Figure 9, heat unit (40) comprises radiator (41) and cooling fan (42).Radiator (41) comprises inflow entrance (40a) and outlet (40b), and inflow entrance (40a) is connected with the outlet (60b) of heat exchanger (60); Outlet (40b) is connected with the inflow entrance (60a) of heat exchanger (60).
In addition as shown in Figure 2, in refrigerant flow device (10), pump (pump) is arranged between the inflow entrance (60a) of the outlet (40b) of heat unit (40) and heat exchanger (60), makes refrigerant be circulated in heat exchanger (60) and heat unit (40).In order to regulate the amount of refrigerant, between the outlet (40b) of heat unit (40) and refrigerant flow device (10), refrigerant jar (20) is set.
Shown in Fig. 2,3,9,10, in refrigerant jar (20), the inflow entrance (11) that flows into refrigerant from radiator (41) is arranged on lower tip, and refrigerant is evenly mixed to reduce bulk temperature; On the top of inflow entrance (11) blocking portion (11a) is set.In refrigerant jar (20), the tail end of coolant outlet port (12) is provided with weight (13) in addition, so even the installation site of refrigerant jar (20) changes the inflow that also can guarantee refrigerant all the time.
On the one hand, in the above-mentioned casing (51) that utilizes the ligthing paraphernalia of microwave, in order to make tube connector link casing (51) inner heat exchanger (60) and heat unit (40), be formed with the hole of perforation on the casing (51), for airtight casing (51) inside, seal connecting piece outer peripheral face and casing (51) then.
In addition, in order to make system compactization (compact), heat unit (40), refrigerant jar (20) and the refrigerant flow device (10) that the casing (51) that utilizes the ligthing paraphernalia of microwave is outside is arranged on the inside of a chest (70) and carries out modularization, can make the structure compactness more of the ligthing paraphernalia that utilizes microwave with cooling system.
The refrigerant that is used for cooling system can be by a variety of, but consider the characteristics that manufacturing cost, cooling performance and the ligthing paraphernalia of system use at normal temperatures, and above-mentioned refrigerant preferably adopts water.
Below the cooling system course of work of the ligthing paraphernalia of microwave of utilizing of the present invention with said structure is elaborated.
At first, apply external power source to the ligthing paraphernalia that utilizes microwave, magnetron (31) will produce microwave, and the microwave that produces at magnetron (31) passes through the illuminating part (not shown) that waveguide (33) has encouraged bulb portion (50), and illuminating part will produce light.Along with the work of the ligthing paraphernalia that utilizes microwave, utilize magnetron (31), high pressure generator (32), waveguide (33) and the capacitor inner heat parts (30) such as (34) of the ligthing paraphernalia of microwave will produce a lot of heats.
On the one hand, along with the startup of the ligthing paraphernalia that utilizes microwave, the cooling system that is arranged on the ligthing paraphernalia that utilizes microwave also will start simultaneously.
That is to say that refrigerant flow device (10) is circulated in stream and heat unit (40) on the heat exchanger (60) on the inner heat parts (30) with refrigerant.
The refrigerant of circulation, will be discharged to the outside by the heat that heat exchanger (60) absorbs during through heat unit (40) the heat absorption that inner heat parts (30) produce through being formed on the stream of heat exchanger (60).
Go up the heat that produces so this utilizes the ligthing paraphernalia inner heat parts (30) of microwave and under air-tight state, also can stably emit, prevented because high temperature causes the damage of interior arrangement and can not stably work to the outside.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.

Claims (16)

1, a kind of ligthing paraphernalia that utilizes microwave comprises magnetron, bulb portion, waveguide, casing, is provided with cooling device in the casing; It is characterized in that,
The described cooling system of the ligthing paraphernalia of microwave that utilizes comprises heat exchanger, heat unit and refrigerant flow device;
Described heat exchanger is formed with the stream of the refrigerant that flows attached to the outside portion of the described magnetron of ligthing paraphernalia on the described heat exchanger;
Described heat unit is arranged on the outside of casing, will carry out heat release through the heat of the heated refrigerant of stream of over-heat-exchanger;
Described flow device is arranged between the inlet of heat unit outlet and heat exchanger, impels refrigerant to be circulated in heat exchanger and heat unit.
2, the ligthing paraphernalia that utilizes microwave according to claim 1 is characterized in that being provided with between described heat unit and the flow device refrigerant jar of filling refrigerant.
3, the ligthing paraphernalia that utilizes microwave according to claim 1 is characterized in that described refrigerant is a water.
4, the ligthing paraphernalia that utilizes microwave according to claim 1 is characterized in that described heat exchanger is integrally formed on the above-mentioned magnetron outside portion.
5, the ligthing paraphernalia that utilizes microwave according to claim 1 is characterized in that appending on the outside portion of described waveguide and is provided with heat exchanger.
6, the ligthing paraphernalia that utilizes microwave according to claim 1, it is characterized in that appending on the described ligthing paraphernalia that utilizes microwave the high pressure generator that is provided with to the magnetron supply high voltage source that is used to produce microwave, append the adhesion heat interchanger on the outside portion of described high pressure generator.
7, the ligthing paraphernalia that utilizes microwave according to claim 1 is characterized in that appending on the described ligthing paraphernalia that utilizes microwave capacitor is set, and appends the adhesion heat interchanger on the outside portion of described capacitor.
8, the ligthing paraphernalia that utilizes microwave according to claim 1 is characterized in that described heat exchanger is the pipe that is wound on the lateral surface of described magnetron with coil shape.
9, the ligthing paraphernalia that utilizes microwave according to claim 1 is characterized in that described heat exchanger comprises heat exchanger body, resettlement section, refrigerant inflow entrance, coolant outlet port and refrigerant flow;
Described resettlement section is formed on the central authorities of described heat exchanger body portion, is used to accommodate magnetron;
Described refrigerant inflow entrance is formed on the one side of described heat exchanger body portion, is used for the inflow of refrigerant.
Described coolant outlet port is formed on the opposite of the refrigerant inflow entrance of heat exchanger body portion, is used for the discharge of refrigerant.
Described refrigerant flow is used to link refrigerant inflow entrance and coolant outlet port, is formed on the inside of heat exchanger body.
10, a kind of luminaire that utilizes microwave, tool comprises magnetron, bulb portion, waveguide, casing, is provided with cooling device in the casing; It is characterized in that the described ligthing paraphernalia cooling system that utilizes microwave, comprise heat exchanger, heat unit and refrigerant flow device.
Described heat exchanger is formed with the stream of the refrigerant that flows attached to the outside portion of each heat generating components of inside of ligthing paraphernalia on the heat exchanger;
Described heat unit is arranged on the outside of casing, will carry out heat release through the heat of the heated refrigerant of stream of over-heat-exchanger;
Described flow device is arranged between the inlet of heat unit outlet and heat exchanger, impels refrigerant to be circulated in heat exchanger and heat unit.
11, the ligthing paraphernalia that utilizes microwave according to claim 10 is characterized in that described inner heat parts are meant magnetron, waveguide, high pressure generator.
12, the ligthing paraphernalia that utilizes microwave according to claim 10 is characterized in that described inner heat parts also comprise capacitor.
13, the ligthing paraphernalia that utilizes microwave according to claim 10 is characterized in that described attached to a plurality of heat exchangers one-tenth series connection settings on the inner heat parts.
14, the ligthing paraphernalia that utilizes microwave according to claim 10 is characterized in that described heat exchanger comprises heat exchanger body portion, inflow entrance and outlet;
Described heat exchanger body portion comprises and is used to accommodate the resettlement section of above-mentioned inner heat parts and is formed on inner a plurality of refrigerant flows;
Described inflow entrance is formed on a plurality of refrigerant flows one end, is used for the inflow of refrigerant;
Described outlet is formed on a plurality of refrigerant flows the other end, is used for the discharge of refrigerant.
15, the ligthing paraphernalia that utilizes microwave according to claim 10, the casing that it is characterized in that described ligthing paraphernalia is a closed structure.
16, the ligthing paraphernalia that utilizes microwave according to claim 1 is characterized in that described cooling system also comprises fan, and described fan is installed in the inside of casing, produces air flows.
CNA021531293A 2002-11-26 2002-11-26 Illumination appliances utilizing microwave Pending CN1503314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA021531293A CN1503314A (en) 2002-11-26 2002-11-26 Illumination appliances utilizing microwave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA021531293A CN1503314A (en) 2002-11-26 2002-11-26 Illumination appliances utilizing microwave

Publications (1)

Publication Number Publication Date
CN1503314A true CN1503314A (en) 2004-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNA021531293A Pending CN1503314A (en) 2002-11-26 2002-11-26 Illumination appliances utilizing microwave

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102449392A (en) * 2009-05-26 2012-05-09 皇家飞利浦电子股份有限公司 Lighting device with cooling arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102449392A (en) * 2009-05-26 2012-05-09 皇家飞利浦电子股份有限公司 Lighting device with cooling arrangement

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