CN201229924Y - High frequency electrodeless lamp apparatus - Google Patents
High frequency electrodeless lamp apparatus Download PDFInfo
- Publication number
- CN201229924Y CN201229924Y CNU2008200942402U CN200820094240U CN201229924Y CN 201229924 Y CN201229924 Y CN 201229924Y CN U2008200942402 U CNU2008200942402 U CN U2008200942402U CN 200820094240 U CN200820094240 U CN 200820094240U CN 201229924 Y CN201229924 Y CN 201229924Y
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- lamp
- coupler
- lamp holder
- holder base
- heat transfer
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Abstract
The utility model discloses a high-frequency electroless lamp device with good heat dispersion, comprising a power coupler which is installed into one body by a lamp holder base, a glass bulb shell which is coated with fluorescent powder at the inner wall and a lamp shade and a matched high-frequency generator; the power coupler comprises a coupler coil and a heat transfer rod; the periphery of the lamp holder base is provided with a convex edge used for installing the lamp shade; one end of the lamp holder base, close to the glass bulb shell, is provided with a cavity; the heat transfer rod passes through the cavity of the lamp holder base and is connected to one side of the lamp holder base, far from the lamp shade, by a discrete heat transfer plate rib; the periphery of the side of the lamp holder base, far from the lamp shade, is of a divergent structure of a similar star-shaped heat radiating fin; and the coupler coil and the heat transfer rod are installed into one body by tightly matching.
Description
Technical field the utility model relates to the HF lamp without electrodes device with good radiator structure.
No matter background technology traditional electrical light source is incandescent lamp or high and low pressure gaseous discharge lamp, all to form by a glass bulb and electrode filaments, electric energy is luminous energy by electrode filaments in the bulb internal conversion.HF lamp without electrodes is based on the new type light source that fluorescent tube gas discharge principle and high-frequency electromagnetic induction principle combine.High-frequency current produces corresponding electromagnetic field of high frequency when the high frequency output line flows through coil on the power coupler.Under the effect of energy of electromagnetic field, make the gas avalanche ionization in the bulb form plasma, spontaneous radiation went out ultraviolet when the plasma excited atom was returned ground state, thus the three primary colors fluorescent powder on the exciter bulb inwall sends visible light.
Electric ballast can be installed separately with fluorescent tube as required.After energized, electric ballast can produce〉alternating current of the above operating frequency of 1.5MHZ, thus produce AC magnetic field at region of discharge.According to Faraday's electromagnetic induction law, the magnetic field of variation can produce induced current in fluorescent tube, thereby makes the mixed vapour of low-pressure mercury and inert gas produce discharge, gives off the ultraviolet ray of 253.7nm, is converted into visible light by fluorescent material again.
The quality problems of HF lamp without electrodes mainly are heat dissipation problems at present, the overheated permeability of coupler magnetic tube that makes of coupler magnetic tube changes in the high-frequency pole-free bulb, thereby changed the inductance value of coupler, finally changed the resonance point of high-frequency circuit, made electrodeless lamp be in the state of cisco unity malfunction.The temperature of lamp raises and not only makes the coupler operating point drift, also makes the drift of discharge gas best operating point that optical efficiency output is reduced simultaneously, so HF lamp without electrodes is used in sealed type lampshade and be heat dissipation problem in the coupler to the bottleneck of high-power development.
Coupler the earliest uses Plastic lamp socket and plastic coupler support, uses aluminium alloy lamp holder and metal heat transfer bar coupler support now instead, and increases area of dissipation at aluminium alloy lamp holder external application ripple.This scheme has solved the heat dissipation problem of coupler to a certain extent.But this scheme is dispelled the heat desirable not enough in powerful electrodeless lamp, heat dissipation metal lamp holder coupler heat transfer path is long, also in lampshade, the accumulation of heat finally causes the temperature at coupler center to raise for the electrodeless lamp that has enclosed light fixture especially, its heat that sheds.
Utility model content the purpose of this utility model is to propose a kind of HF lamp without electrodes device, solves the heat dissipation problem of coupler in the electrodeless lamp well.
The disclosed a kind of HF lamp without electrodes device of the utility model comprises by lamp holder base being installed as the power coupler of one, glass cell-shell and the lampshade that inwall scribbles fluorescent material, and the radio-frequency generator of coupling; Described power coupler comprises coupler coil and heat transfer bar, it is characterized in that, the periphery of described lamp holder base is useful on the convex edge that described lampshade is installed, the end that described lamp holder base closes on the glass cell-shell has cavity, and described heat transfer bar penetrates the described cavity of described lamp holder base and is connected to the side away from described lampshade of described lamp holder base by discrete heat transfer plate muscle; Described lamp holder base is the divergent shape structure of similar star fin in the periphery away from a side of described lampshade; Described coupler coil and described heat transfer bar are installed as one by tight fit.
The disclosed HF lamp without electrodes device of the utility model also comprises following attached technical characterictic:
The discrete heat transfer plate muscle cross section that is connected between described heat transfer bar and the described lamp holder base is a cross.
The described fitting surface that is used to install described lampshade is an annular.
Described coupler coil comprise the coupler magnetic tube and on the described coupler magnetic tube outer surface, the thread two groups of coils of high temperature; Described coupler magnetic tube and the coaxial tight socket of described heat transfer bar.
On the fitting surface of described lamp holder base, has installing hole.
The metal casting that described lamp holder base and described heat transfer bar are an integral body.
The technical solution of the utility model has adopted incorporate lamp holder of electrodeless lamp, by the heat transfer plate muscle heat transfer bar and lamp holder base are linked together, the heat that has shortened coupler is transmitted to the heat conduction distance of lampshade outside, has solved the coupler heat dissipation problem that always exists in the existing HF lamp without electrodes well.Particularly have and solve the HF lamp without electrodes bulb because of the overheated problem of bringing light output to descend and reducing the life-span of lamp.
Description of drawings the utility model comprises following as figure:
Fig. 1 is the structure chart of non-polar lamp device of the present utility model under user mode.
Fig. 2 and Fig. 3 are the stereograms for the coupler foundry goods of non-polar lamp device of the present utility model.
Embodiment is described further the present invention below in conjunction with drawings and Examples.
Same numbering is represented same parts in the accompanying drawing, wherein: 1 is the coupler foundry goods, 2 is the light fixture lampshade, and 3 is electrodeless bulb, and 4 is coupler heat transfer bar, 5 is the coupler coil, 6 is the coupler magnetic tube, and 7 is the annular fitting surface, and 8 is the lamp holder base fitting surface, 9 cross heat transfer plates (muscle), 10 is the star fin.
The structure of electrodeless lamp mainly comprises three parts, is respectively that power coupler, inwall scribble the glass cell-shell of three primary colors fluorescent powder and the radio-frequency generator of coupling.
Radio-frequency generator mainly comprises the equivalent electric circuit of oscillator, filter, rectifier, switching device, matching network, drive coil and electric arc.It provides a high-frequency energy to excite for coupler and keeps gas discharge in the bulb.Radio-frequency generator must have very stable a concussion source and a filtering circuit, and high power factor and low harmonic content.
All electronic devices and components of radio-frequency generator all are contained in the aluminum power pack, can the shield radio frequency interferences and carry out heat conduction, and to guarantee the long-life of electronic device.If radio-frequency generator and a kind of lamp and coupler combination accessory are bad, can damage the assembly of lamp or produce electromagnetic interference.
The electrodeless bulb shell mainly is a glass bulb, comprises the cell-shell that scribbles diaphragm and three primary colors fluorescent powder, interior pipe, amalgam, Auxiliary amalgam and lamp holder or the like, and inside also is filled with the low pressure inert gas.One glass inner tube is arranged in the middle of bulb, and interior pipe the inside is a coupler, and bulb and coupler link together by lamp holder.
Two kinds of amalgam are arranged in the electrodeless florescent lamp, and main amalgam is arranged in the short tube of cell-shell bottom, and it is online that Auxiliary amalgam is placed on an indium of being close to cavity, and the indium net is contacted with heat discharge.Switching in 1st, mercury is very fast to be evaporated from Auxiliary amalgam, just can make lamp reach 80% light output in 10 seconds.And when lamp was turned off, the part mercury in the bulb had been collected in the cooling of indium net, started to prepare next time.Main amalgam is guaranteed to keep stable mercury vapor pressure in a wider temperature range, and light output is remained unchanged.In the middle of fluorescent material and cell-shell, also applied layer protecting film.
High-frequency coupler is a power conversion apparatus, generally includes magnetic core, the thread coupler coil of high temperature, heat conductive rod (heat transfer bar), drum stand, base or the like.The effect of magnetic core and higher temperature line is to produce the high temperature electromagnetic field, and by the heat conductive rod of centre, the heat energy that magnetic core coil is produced is transmitted to the outside by aluminum base.The function of base is to guarantee being connected of bulb and coupler; The 2nd, heat is passed to fin.Base is connected with the light fixture fin by screw.Coaxial cable makes radio-frequency generator link to each other with coupler.Usually be wound with two-layer resistant to elevated temperatures coil on drum stand: a coil is carried electric current, and the electric field of second coil has partly been offset the electric field that first coil produces, and makes end voltage disturb and drops to a lower value.
Be the structure chart of electrodeless lamp of the present utility model under user mode as shown in Figure 1, light fixture lampshade 2 and electrodeless bulb 3 are installed as one by coupler foundry goods 1.Coupler magnetic tube 6 closely cooperates with coupler heat transfer bar 4 and is installed as one, and keeps good heat-conductive characteristic between the two.Coupler coil 5 is on the outer surface of coupler magnetic tube 6.
The radiator that coupler foundry goods 1 of the present utility model is a HF lamp without electrodes and the integrated combination of lamp holder base, its architectural feature are that the heat transfer bar 4 of supporting coupler partly is the metal casting of an integral body with lamp holder base, as shown in Figures 2 and 3.Heat transfer bar 4 is parts of coupler foundry goods 1, and extend to bulb inside, heat transfer bar 4 is closing on the pedestal part office overstriking gradually of coupler foundry goods 1, but the base portion of the heat transfer bar 4 and the coupler foundry goods 1 of getting along well is fused into one fully, but and resemble the part that criss-cross heat transfer plate (muscle) 9 is attached to the base portion of coupler foundry goods 1 by a cross section between the base portion away from bulb 3, the heat that this structure can produce coupler passes to coupler foundry goods 1 and the part away from the bulb lampshade joint portion with the shortest distance.
Base portion at coupler foundry goods 1 has an outwards outstanding convex edge, it is exactly the annular fitting surface 7 shown in the accompanying drawing 2, as previously mentioned, annular fitting surface 7 is with the base portion separated into two parts of coupler foundry goods 1, the side that annular fitting surface 7 closes on bulb 3 is used to make bulb to be loaded in the totally-enclosed or semiclosed lampshade 2, annular fitting surface 7 is to be the fin 10 of dispersing dress away from an end of bulb 3, and promptly coupler foundry goods 1 base bottom is the metal heat sink that has fin.Fin 10 with radiator function is isolated with the heating bulb, and the heat that the bulb intercoupler is produced directly passes to heat radiation outside the lampshade 2 fast.
Two of this architectural feature be have on the base fitting surface 8 of base portion away from bulb of coupler foundry goods 1 four with the same pilot hole of traditional electrodeless lamp, make electrodeless lamp can and other electrodeless lamp fixture base compatibility.Can also be assemblied on the lamp socket with radiator when being used in high-power electrodeless lamp, increase heat dissipation capability.
Three of this architectural feature is to have a big screw (M20) to be used for the lifting assembling on the base fitting surface 8 of base portion away from bulb of coupler foundry goods 1.
Claims (6)
1. a HF lamp without electrodes device comprises by lamp holder base being installed as the power coupler of one, glass cell-shell and the lampshade that inwall scribbles fluorescent material, and the radio-frequency generator of coupling; Described power coupler comprises coupler coil and heat transfer bar, it is characterized in that, the periphery of described lamp holder base is useful on the convex edge that described lampshade is installed, the end that described lamp holder base closes on the glass cell-shell has cavity, and described heat transfer bar penetrates the described cavity of described lamp holder base and is connected to the side away from described lampshade of described lamp holder base by discrete heat transfer plate muscle; Described lamp holder base is the divergent shape structure of similar star fin in the periphery away from a side of described lampshade; Described coupler coil and described heat transfer bar are installed as one by tight fit.
2. HF lamp without electrodes device according to claim 1 is characterized in that, the discrete heat transfer plate muscle cross section that is connected between described heat transfer bar and the described lamp holder base is a cross.
3. HF lamp without electrodes device according to claim 2 is characterized in that, the described fitting surface that is used to install described lampshade is an annular.
4. HF lamp without electrodes device according to claim 1 is characterized in that, described coupler coil comprise the coupler magnetic tube and on the described coupler magnetic tube outer surface, the thread two groups of coils of high temperature; Described coupler magnetic tube and the coaxial tight socket of described heat transfer bar.
5. HF lamp without electrodes device according to claim 1 is characterized in that, has installing hole on the fitting surface of described lamp holder base.
6. according to described any one HF lamp without electrodes device of claim 1-7, it is characterized in that the metal casting that described lamp holder base and described heat transfer bar are an integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200942402U CN201229924Y (en) | 2008-05-28 | 2008-05-28 | High frequency electrodeless lamp apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200942402U CN201229924Y (en) | 2008-05-28 | 2008-05-28 | High frequency electrodeless lamp apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201229924Y true CN201229924Y (en) | 2009-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200942402U Expired - Fee Related CN201229924Y (en) | 2008-05-28 | 2008-05-28 | High frequency electrodeless lamp apparatus |
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| CN (1) | CN201229924Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751166A (en) * | 2012-06-13 | 2012-10-24 | 浙江科视电子技术有限公司 | Integrated electrodeless lamp |
| CN106195772A (en) * | 2016-07-17 | 2016-12-07 | 安徽卓越电气有限公司 | A kind of installation method of high frequency factory lamp |
-
2008
- 2008-05-28 CN CNU2008200942402U patent/CN201229924Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751166A (en) * | 2012-06-13 | 2012-10-24 | 浙江科视电子技术有限公司 | Integrated electrodeless lamp |
| CN102751166B (en) * | 2012-06-13 | 2014-12-31 | 浙江科视电子技术有限公司 | Integrated electrodeless lamp |
| CN106195772A (en) * | 2016-07-17 | 2016-12-07 | 安徽卓越电气有限公司 | A kind of installation method of high frequency factory lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONG HONG Free format text: FORMER OWNER: SHENZHEN CITY WEIHUA LIGHTING CO.,LTD. Effective date: 20090821 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090821 Address after: 35-402, Meilin Village, Futian District, Guangdong, Shenzhen, China: 518049 Patentee after: Zhong Hong Address before: C3#, Nuclear Power Industrial Park, Guanlan Town, Guangdong City, Shenzhen Province, China, post code: 518110 Patentee before: Shenzhen Weihua Lighting Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CITY WEIHUA LIGHTING CO.,LTD. Free format text: FORMER OWNER: ZHONG HONG Effective date: 20100324 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518049 35-402, MEILIN 1ST VILLAGE, FUTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518105 NO.3, ROAD 6, SHAPU YANGYONG INDUSTRY ZONE, SONGGANG STREET, BAOAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100324 Address after: 518105, No. 6, 3, Chung Yong Yong Industrial Zone, Songgang street, Baoan District, Guangdong, Shenzhen Patentee after: Shenzhen Weihua Lighting Co., Ltd. Address before: 518049, Meilin Village, Shenzhen, Guangdong, Futian District 35-402 Patentee before: Zhong Hong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20120528 |