CN101110343B - Small power electromagnetic induction lamp - Google Patents

Small power electromagnetic induction lamp Download PDF

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Publication number
CN101110343B
CN101110343B CN200610029062A CN200610029062A CN101110343B CN 101110343 B CN101110343 B CN 101110343B CN 200610029062 A CN200610029062 A CN 200610029062A CN 200610029062 A CN200610029062 A CN 200610029062A CN 101110343 B CN101110343 B CN 101110343B
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China
Prior art keywords
fluorescent tube
electromagnetic induction
induction lamp
lamp
magnet ring
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Expired - Fee Related
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CN200610029062A
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Chinese (zh)
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CN101110343A (en
Inventor
李维德
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Shanghai Hongyuan Lighting & Electric Equipment Co Ltd
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Shanghai Hongyuan Lighting & Electric Equipment Co Ltd
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Abstract

The invention discloses an electromagnetic induction lamp, which magnifies the sectional area of a lamp tube to lower down the working temperature and voltage of the lamp tube as well as adopts a magnetic loop with shielding effect to realize the low power of 3W to 10W in the electromagnetic induction lamp. Therefore, in the technical proposal of the invention, the sectional area of lamp tube is enlarged to lower down the working temperature and voltage of the lamp tube; the electromagnetic radiation of the magnetic loop is effectively shielded to enhance the magnetic flux of the lamp tube and realize the low power of 3W to 10W. Besides, because the sectional area of the lamp tube is enlarged, the surface area of the lamp tube is enlarged and the unit load for the fluorescent powder on the inner surface of the lamp tube is reduced, so as to effectively enhance the luminous flux and luminous flux maintenance rate. Therefore, the invention realizes the object of small power, simple technique and low cost.

Description

Small power electromagnetic induction lamp
Technical field
The present invention relates to the light source appliance field, more particularly, the present invention relates to low power electromagnetic induction lamp.
Background technology
Electromagnetic induction lamp can be widely used in family, ground, office space etc. because it belongs to the new-generation energy-saving product of no filament, high light efficiency, Gao Guangtong, long-life, high power factor.
In 1991, the electrodeless lamp of Everlight was invented by MAT, and GE produced the Genura lamp in 1994; PHILIPS Co. was developed into the electrodeless lamp of QL in 1997, and their principle all is to utilize electromagnetic induction to convert electric energy to magnetic energy, converted luminous energy to by magnetic energy again and luminous; Therefore they all belong to electromagnetic induction lamp; Their profile and structure are also roughly the same, as shown in Figure 1, and this lamp 100 comprises:
Lamp holder 102 can be connected in lamp socket.Shell 104 links to each other with lamp holder 102, in a cavity is arranged.Electromagnetic inductive lamp circuit is placed in the cavity of shell 104.Fluorescent tube 106, spherical in shape, be fixed on the shell 104, there is the krypton gas and the amalgam 108 of the discharge kept inside.In the glass chamber 110 that installs coil, be fixed on the shell 104, stretch into the inside of fluorescent tube 106, an end has a steam vent 112.The conducting glass material 114 that is connected with the RF grounded part connects fluorescent tube 106 and RF grounded part.Fluorescent coating 116 covers the inboard of fluorescent tube 106, the outside in glass chamber 110 and the part that fluorescent tube 106 links to each other with conducting glass material 114.Titanium dioxide reflectance coating 118 covers the outside in glass chamber 110 and the part that fluorescent tube 106 links to each other with conducting glass material 114.Conductive coating 120 covers the outside of fluorescent tube 106.The coil that this kind lamp is placed in the glass chamber 110 when work will produce magnetic field, and the gas ionization discharge in the field drives fluorescent tube produces light; Although this type of light fixture has been equipped with the advantage of electrodeless lamp, also realized miniaturization, can directly replace incandescent lamp; But its operating frequency be difficult to the requirement through EMC and EMI, and its cost is higher in the megahertz level; Complex process is made difficulty.
Application number is that 200520039974.7 one Chinese patent application discloses a kind of electromagnetic induction lamp, and the applicant of above-mentioned patent application also is the application's applicant, and above-mentioned patent application combines therewith by reference.In 200520039974.7 above-mentioned application number patent applications, a kind of electromagnetic induction lamp with following structure is disclosed, with reference to figure 2:
Fig. 2 A and Fig. 2 B are the structure charts according to electromagnetic induction lamp of the present invention.Shown in Fig. 2 A and Fig. 2 B, electromagnetic induction lamp comprise: lamp holder 202, lamp holder 202 can be installed on the lamp socket.The structure of this lamp holder 202 is the same with lamp holder in the conventional art, and the structure of lamp socket also is identical.Control circuit shell 204 is connected in lamp holder 202, and lamp holder 202 is enclosed within on the control circuit shell 204, is placed with control circuit 206 in the control circuit shell 204.The control circuit shell is connected with lampshade 205, and lampshade 205 is connected to fluorescent tube 208, and fluorescent tube 208 inwalls scribble phosphor powder layer 207, and the chamber of fluorescent tube contains gas and amalgam, and wherein gas is inert gas 209.Magnet ring anchor ear 210 is enclosed within on the fluorescent tube 208, surrounds a cross section of fluorescent tube 208, and the magnet ring anchor ear is fixed on the lampshade 205 through screw 211.Magnet ring 212 is arranged in magnet ring anchor ear 210, and magnet ring 212 also surrounds the above-mentioned cross section of fluorescent tube 208.Magnet ring anchor ear 210 is located in this bridge joint place, surrounds a cross section on the bridge joint.Be wound with coil 214 on the magnet ring 212, coil 214 is connected to control circuit 206, provides magnetic field to light electromagnetic induction lamp 200.With reference to the cut-away section structure among figure 2A and the 2B, two tops of visible fluorescent tube 208 respectively are provided with a built-in blast pipe 216, are placed with solid mercury 218 and indium net 220 in the blast pipe 216.
Thereby high in order to overcome electromagnetic induction lamp operating frequency of the prior art, manufacturing process is complicated, and the weakness that cost is higher just needs a kind of novel electromagnetic induction lamp to overcome the problems referred to above, realizes miniaturization.But in the technical scheme shown in Fig. 2 A and Fig. 2 B,,, can realize the small-power of minimum 15W though enlarged the sectional area of fluorescent tube bottom owing to fluorescent tube volume, surface area that miniaturization causes are less relatively.But the fluorescent tube sectional area of magnet ring both sides is less relatively, makes the working temperature of whole fluorescent tube can't be low again, makes whole lamp can't be less than the power of 15W.
Along with further raising for energy-conservation requirement; Demand for the small power electromagnetic induction lamp below the 15W is more and more, in order to be less than the power of 15W, needs further to reduce the working temperature of fluorescent tube; And; If can effectively shield the electromagnetic radiation of magnet ring, can further improve the operating efficiency of electromagnetic induction lamp, make power further to reduce.
Summary of the invention
The object of the invention aims to provide a kind of low power electromagnetic induction lamp, realizes small-power through working temperature that reduces fluorescent tube and the electromagnetic radiation that effectively shields magnet ring.
According to the present invention, a kind of electromagnetic induction lamp is provided, amplify working temperature and the operating voltage of the sectional area of fluorescent tube, and adopt magnet ring anchor ear, so that electromagnetic induction lamp can be realized the low-power of 3W to 10W with shield effectiveness with the reduction fluorescent tube.
According to one embodiment of the invention, strengthened the sectional area of fluorescent tube in the two side portions of the magnetic core that links closely.
According to one embodiment of the invention, each cross sectional shape of fluorescent tube is all different, and it is irregularly shaped that these cross sections can be.
According to one embodiment of the invention, described anchor ear structure is a circular closure, and two sides are dentation.
According to one embodiment of the invention, the electromagnetic induction lamp basic structure that lamp holder, shell, fluorescent tube, magnet ring anchor ear, magnet ring, coil and control circuit are formed; In the wherein said shell control circuit is housed, said control circuit comprises the high frequency power generator that utilizes the IC chip controls and produce higher-order of oscillation energy; Fluorescent tube adopts irregular closed circuit; In the magnet ring anchor ear, add upper magnetic ring and be held on the fluorescent tube, the coil on magnet ring links to each other with said high frequency power generator.
Adopted technical scheme of the present invention; Strengthened the sectional area of fluorescent tube, lamp works temperature and tube voltage are reduced, and the magnetic flux of fluorescent tube has been strengthened through the electromagnetic radiation of effective shielding magnet ring; Realize the small-power of 3W to 10W; And, the unit load of the inner surface of tube fluorescent material is reduced, thereby effectively improve luminous flux and lux maintenance owing to strengthened the also increasing simultaneously of surface area that the sectional area of fluorescent tube makes fluorescent tube.Thereby realized small-power, technology is simple, lower-cost purpose.
Description of drawings
Above-mentioned and other characteristic, character and advantage of the present invention will be through becoming more obvious below in conjunction with accompanying drawing to the description of embodiment, and in the accompanying drawings, identical Reference numeral is represented identical characteristic all the time, wherein,
Fig. 1 is the structure chart of the electromagnetic induction lamp of prior art;
Fig. 2 A and Fig. 2 B are that application number is the structure chart of the electromagnetic induction lamp of announcement in 200520039974.7;
Fig. 3 A and Fig. 3 B are the structure charts according to the electromagnetic induction lamp of one embodiment of the invention;
Fig. 4 A and Fig. 4 B are the lamp tube structure figure according to the electromagnetic induction lamp of one embodiment of the invention;
Fig. 5 A and Fig. 5 B are the structure charts according to the magnet ring anchor ear of one embodiment of the invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and embodiment.
At first, the objective of the invention is to aim to provide a kind of low power electromagnetic induction lamp, realize small-power through working temperature that reduces fluorescent tube and the electromagnetic radiation that effectively shields magnet ring.
According to the present invention, a kind of electromagnetic induction lamp is provided, amplify working temperature and the operating voltage of the sectional area of fluorescent tube, and adopt magnet ring anchor ear, so that electromagnetic induction lamp can be realized the low-power of 3W to 10W with shield effectiveness with the reduction fluorescent tube.
The long-pending position of enlarger lamp tube section can perhaps, more broadly, fasten the sectional area that other parts have partly all strengthened fluorescent tube at the magnetic core except fluorescent tube in the two side portions of magnetic core that links closely.And each cross sectional shape of fluorescent tube is all different, and it is irregularly shaped that these cross sections can be.
The anchor ear structure that the present invention adopted is a circular closure, and two sides are dentation.
Electromagnetic induction of the present invention etc. comprise the electromagnetic induction lamp basic structure that lamp holder, shell, fluorescent tube, magnet ring anchor ear, magnet ring, coil and control circuit are formed; In the wherein said shell control circuit is housed, said control circuit comprises the high frequency power generator that utilizes the IC chip controls and produce higher-order of oscillation energy; Fluorescent tube adopts irregular closed circuit; In the magnet ring anchor ear, add upper magnetic ring and be held on the fluorescent tube, the coil on magnet ring links to each other with said high frequency power generator.
With reference to figure 3A and Fig. 3 B, Fig. 3 A and Fig. 3 B are the structure charts according to electromagnetic induction lamp of the present invention.Shown in Fig. 3 A and Fig. 3 B, electromagnetic induction lamp of the present invention comprises: lamp holder 302, lamp holder 302 can be installed on the lamp socket.The structure of this lamp holder 302 is the same with lamp holder in the conventional art, and the structure of lamp socket also is identical.The high frequency power generator shell 304 that utilizes the IC chip controls and produce higher-order of oscillation energy is housed, is connected in lamp holder 302, lamp holder 302 is enclosed within on the high frequency power generator shell 304, is placed with high frequency power generator 306 in the high frequency power generator shell 304.The high frequency power generator shell is connected with lampshade 305, and lampshade 305 is connected to fluorescent tube 308, and fluorescent tube 308 inwalls scribble phosphor powder layer 307, and the chamber of fluorescent tube contains gas and amalgam, and wherein gas is inert gas 309.Magnet ring anchor ear 310 is enclosed within on the fluorescent tube 308, surrounds a cross section of fluorescent tube 308, and the magnet ring anchor ear is fixed on the lampshade 305 through rivet 311.Magnet ring 312 is arranged in magnet ring anchor ear 310, and magnet ring 312 also surrounds the above-mentioned cross section of fluorescent tube 308.Magnet ring anchor ear 310 is located in this bridge joint place, surrounds a cross section on the bridge joint.Be wound with coil 314 on the magnet ring 312, coil 314 is connected to high frequency power generator 306, provides magnetic field to light electromagnetic induction lamp.With reference to the cut-away section structure among figure 3A and the 3B, two tops of visible fluorescent tube 308 respectively are provided with a built-in blast pipe 316, are placed with solid mercury 318 and indium net 320 in the blast pipe 316.
Maximum improvement is the shape of fluorescent tube 308 among the embodiment shown in Fig. 3 A and Fig. 3 B; By it is the sectional area that the two side portions of its magnetic core that links closely has strengthened fluorescent tube; With reference to figure 4A and Fig. 4 B, Fig. 4 A and Fig. 4 B are the views of the different visual angles of lamp tube structure according to an embodiment of the invention, and be wherein visible; In the embodiment of Fig. 4, the two side portions 402 and 404 of the magnetic core that links closely has strengthened the sectional area of fluorescent tube.Need explanation,, fasten the sectional area that other parts partly all can strengthen fluorescent tube at magnetic core except fluorescent tube according to invention aim of the present invention.
The purpose that increases the fluorescent tube sectional area is to reduce working temperature, and in addition, the electromagnetic radiation that shields magnet ring effectively also is to improve the electromagnetic induction lamp operating efficiency, reduces the effective means of power.The present invention has adopted the magnet ring anchor ear of ability electromagnetic radiation shielding simultaneously; Embodiment according to Fig. 5 A and 5B; The rounded closure of magnetic ring locking hoop structure among this embodiment; Two sides are dentation, and this structure can find out in the magnetic ring locking hoop structure figure of Fig. 5 A and Fig. 5 B, and wherein Fig. 5 A and Fig. 5 B are the views of the different visual angles of magnetic ring locking hoop structure according to an embodiment of the invention.This magnetic ring locking hoop structure makes the ELECTROMAGNETIC RADIATION SHIELDING effect of lamp reduce about 3dB than the structure among original Fig. 2.
Electromagnetic induction lamp of the present invention has solved operating frequency height in the electromagnetic induction lamp shown in Figure 1, and manufacturing process is complicated, and the weakness that cost is higher has realized miniaturization.Simultaneously, be compared to technical scheme shown in Figure 2, fluorescent tube volume, surface area that the technical scheme of Fig. 2 causes owing to miniaturization are less relatively, though enlarged the sectional area of fluorescent tube bottom, have realized the small-power of minimum 15W.But the fluorescent tube sectional area of magnet ring both sides is less relatively, makes the working temperature of whole fluorescent tube can't be low again, makes whole lamp can't be less than the power of 15W.And electromagnetic induction lamp of the present invention has enlarged the link closely sectional area of two side portions of magnetic core of fluorescent tube; Lamp works temperature and tube voltage are reduced; And the magnetic ring locking hoop structure that uses the electromagnetic radiation of maskable magnet ring strengthens the magnetic flux of fluorescent tube, realizes the small-power of 3W to 10W, and owing to strengthened the sectional area of fluorescent tube the surface area of fluorescent tube is also strengthened simultaneously; The unit load of the inner surface of tube fluorescent material is reduced, thereby effectively improve luminous flux and lux maintenance.Adopt ELECTROMAGNETIC RADIATION SHIELDING effect that new magnetic ring locking hoop structure makes lamp to reduce about 3dB than the structure of original Fig. 2.
Adopted technical scheme of the present invention; Strengthened the sectional area of fluorescent tube, lamp works temperature and tube voltage are reduced, and the magnetic flux of fluorescent tube has been strengthened through the electromagnetic radiation of effective shielding magnet ring; Realize the small-power of 3W to 10W; And, the unit load of the inner surface of tube fluorescent material is reduced, thereby effectively improve luminous flux and lux maintenance owing to strengthened the also increasing simultaneously of surface area that the sectional area of fluorescent tube makes fluorescent tube.Thereby realized small-power, technology is simple, lower-cost purpose.
The foregoing description provides to being familiar with personnel in this area and realizes or use of the present invention; Being familiar with those skilled in the art can be under the situation that does not break away from invention thought of the present invention; The foregoing description is made various modifications or variation; Thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.

Claims (5)

1. an electromagnetic induction lamp is characterized in that,
Amplify working temperature and the operating voltage of the sectional area of fluorescent tube in the two side portions of the magnetic core that links closely with the reduction fluorescent tube, and
Employing has the magnet ring anchor ear of shield effectiveness,
So that electromagnetic induction lamp can be realized the low-power of 3W to 10W.
2. electromagnetic induction lamp as claimed in claim 1 is characterized in that,
Strengthened the sectional area of fluorescent tube in the two side portions of the magnetic core that links closely.
3. electromagnetic induction lamp as claimed in claim 2 is characterized in that,
Each cross sectional shape of fluorescent tube is all different, and it is irregularly shaped that these cross sections can be.
4. electromagnetic induction lamp as claimed in claim 1 is characterized in that,
Described anchor ear structure is a circular closure, and two sides are dentation.
5. like each described electromagnetic induction lamp among the claim 1-4, it is characterized in that said electromagnetic induction lamp comprises:
The electromagnetic induction lamp basic structure that lamp holder, shell, fluorescent tube, magnet ring anchor ear, magnet ring, coil and control circuit are formed; Wherein
In the described shell control circuit is housed, said control circuit comprises the high frequency power generator that utilizes the IC chip controls and produce higher-order of oscillation energy;
Fluorescent tube adopts irregular closed circuit;
In the magnet ring anchor ear, add upper magnetic ring and be held on the fluorescent tube, the coil on magnet ring links to each other with said high frequency power generator.
CN200610029062A 2006-07-18 2006-07-18 Small power electromagnetic induction lamp Expired - Fee Related CN101110343B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101110343A CN101110343A (en) 2008-01-23
CN101110343B true CN101110343B (en) 2012-10-03

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306612A (en) * 2011-04-28 2012-01-04 上海宏源照明电器有限公司 Electromagnetic induction lamp capable of controlling temperature of cold end
CN102280357B (en) * 2011-07-25 2013-11-13 江苏立德照明产业有限公司 Electromagnetic induction lamp of single magnetic ring external induction combined with coil coupled mode

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266167A (en) * 1979-11-09 1981-05-05 Gte Laboratories Incorporated Compact fluorescent light source and method of excitation thereof
US5099100A (en) * 1974-08-16 1992-03-24 Branson International Plasma Corporation Plasma etching device and process
CN200950433Y (en) * 2006-07-18 2007-09-19 上海宏源照明电器有限公司 Small power electromagnetic induction lamp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099100A (en) * 1974-08-16 1992-03-24 Branson International Plasma Corporation Plasma etching device and process
US4266167A (en) * 1979-11-09 1981-05-05 Gte Laboratories Incorporated Compact fluorescent light source and method of excitation thereof
CN200950433Y (en) * 2006-07-18 2007-09-19 上海宏源照明电器有限公司 Small power electromagnetic induction lamp

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP昭60-167256A 1985.08.30

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