CN101956902B - Low-power electrode-less lamp and lamp tube thereof - Google Patents

Low-power electrode-less lamp and lamp tube thereof Download PDF

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Publication number
CN101956902B
CN101956902B CN200910054721XA CN200910054721A CN101956902B CN 101956902 B CN101956902 B CN 101956902B CN 200910054721X A CN200910054721X A CN 200910054721XA CN 200910054721 A CN200910054721 A CN 200910054721A CN 101956902 B CN101956902 B CN 101956902B
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China
Prior art keywords
fluorescent tube
side arms
coil turn
small
tube body
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Expired - Fee Related
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CN200910054721XA
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CN101956902A (en
Inventor
李文鹏
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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Priority to CN200910054721XA priority Critical patent/CN101956902B/en
Publication of CN101956902A publication Critical patent/CN101956902A/en
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Publication of CN101956902B publication Critical patent/CN101956902B/en
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Abstract

The invention relates to a low-power electrode-less lamp and a lamp tube thereof. The lamp tube comprises a lamp tube main body and a coil wound on the lamp tube main body. The lamp tube main body comprises a spherical shell, two side arms and a bridge arm, wherein the two side arms are arranged on a same hemisphere of the spherical shell; one end of the two side arms connected to the spherical shell is communicated with the spherical shell while the other end of the two side arms is enclosed; the two ends of the bridge arm are respectively connected to the two side arms; the bridge arm is respectively connected to the two side arms; and the coil is divided into three sections which are respectively directly wound on the bridge arm and the two side arms. The low-power electrode-less lamp and the lamp tube thereof of the invention occupy less space, are convenient to mount, have stable property, and can be widely applied in the fields of industry search lighting, industry construction, maintenance, civil lighting, and the like.

Description

Small-power electrodeless lamp and fluorescent tube thereof
Technical field
The present invention relates to the lighting source field, relate in particular to a kind of small-power electrodeless lamp and fluorescent tube thereof.
Background technology
Electrodeless lamp is made up of excitation power supply, power coupler and bulb three parts, and excitation power supply produces the above electricity frequency electric current of a 150KHz and delivers to power coupler, when high frequency electric passes through power coupler, produces an electromagnetic field of high frequency.The magnetic field that changes promptly produces an electric field perpendicular to changes of magnetic field, and the electronics in bulb internal discharge space is quickened by electric field, and when energy reached certain value, the gas molecule in electronics and the container bumped, and the gas avalanche ionization forms plasma in the bulb.When the plasma excited atom is returned ground state, spontaneous ejaculation ultraviolet light, the phosphor powder on the ultraviolet excitation bulb walls sends visible light.The advantage of electrodeless lamp is that long service life, high conformity, light efficiency are higher, substitutes all kinds of conventional light source gradually.
The magnet ring that its power coupler of electrodeless lamp of the prior art is a coiling is embraced circle; (the fluorescent tube part only is shown among the figure) as shown in Figure 1, the fluorescent tube 1 of electrodeless lamp is " U " type, in " U " type opening, is provided with a bridge joint 11; Magnet ring is embraced circle 12 and is positioned at this bridge joint 11 places; Surround a cross section on the bridge joint 11, magnet ring is wound with coil on (several magnet rings are close to the formation magnet ring successively and are embraced circle 12), and coil is connected with the excitation power supply (not shown) through the control circuit (not shown).The shortcoming of electrodeless lamp of the prior art is; Magnet ring is embraced circle and when the high frequency frequency, is had significant iron loss loss; Reduced the efficient of electrodeless lamp; Therefore, the electrodeless lamp of prior art is worked under the excitation power supply excitation greater than 100W usually, can't realize working under small-power (in the 50W) condition.
Summary of the invention
The object of the present invention is to provide a kind of small-power electrodeless lamp and fluorescent tube thereof, replace magnet ring type, can under the small-power condition, work, and it is little to take volume, be prone to install with the direct coiling mode of coil.
In order to reach above-mentioned purpose, control circuit shell, control circuit, fluorescent tube body and coil turn that the present invention provides a kind of small-power electrodeless lamp to comprise lamp holder, be connected with lamp holder; Said control circuit is located in the said control circuit shell; Said fluorescent tube body is connected with control circuit; Said coil turn is wound on the said fluorescent tube body, and this coil turn is connected with control circuit.
Above-mentioned small-power electrodeless lamp, wherein, said control circuit comprises an electric capacity, this electric capacity is connected with above-mentioned coil turn; Said electric capacity is realized the adjusting of electrodeless lamp brightness as adjuster.
Above-mentioned small-power electrodeless lamp wherein, is filled the amalgam of mercury and rare gas in the above-mentioned fluorescent tube body.
Above-mentioned small-power electrodeless lamp, wherein, said rare gas is one or more the mixing in helium, neon, argon, krypton and the xenon.
Above-mentioned small-power electrodeless lamp, wherein, the pressure of above-mentioned rare gas is 30-60Pa, this rare gas is as buffer gas.
Above-mentioned small-power electrodeless lamp, wherein, the frequency of the electric current through above-mentioned coil turn is 2.5MHz~15MHz.
Above-mentioned small-power electrodeless lamp, wherein, the power regulating range of said electrodeless lamp is 3W~25W.
Above-mentioned small-power electrodeless lamp, wherein, above-mentioned fluorescent tube body is a closed type fluorescent tube body, comprises spherical shell, two side arms and brachium pontis; Said two side arms is arranged on the same hemisphere of spherical shell, and the end that two side arms is connected with spherical shell is communicated with spherical shell, and the sealing of the other end of two side arms; The two ends of said brachium pontis are connected with two side arms respectively, and this brachium pontis is communicated with two side arms respectively.
Above-mentioned small-power electrodeless lamp, wherein, above-mentioned two side arms and brachium pontis are the cylinder of hollow.
Above-mentioned small-power electrodeless lamp; Wherein, Above-mentioned coil turn divides three sections directly to be wrapped on brachium pontis and the two side arms respectively; Promptly comprise the second section coil turn that is wrapped on the brachium pontis and be wrapped in first section coil turn and the 3rd section coil turn on the two side arms respectively, said first section coil turn, second section coil turn are connected with the 3rd section coil turn successively.
Another technical scheme of the present invention is that a kind of small-power electrodeless fluorescent tube comprises the fluorescent tube body and is wrapped in the coil turn on the fluorescent tube body.
Above-mentioned small-power electrodeless fluorescent tube, wherein, the even wound in parallel of said coil turn is on the fluorescent tube body.
Above-mentioned small-power electrodeless fluorescent tube wherein, is filled the amalgam of mercury and rare gas in the above-mentioned fluorescent tube body.
Above-mentioned small-power electrodeless fluorescent tube, wherein, said rare gas is one or more the mixing in helium, neon, argon, krypton and the xenon.
Above-mentioned small-power electrodeless fluorescent tube, wherein, the pressure of above-mentioned rare gas is 30-60Pa, this rare gas is as buffer gas.
Above-mentioned small-power electrodeless fluorescent tube, wherein, the frequency of the electric current through above-mentioned coil turn is 2.5MHz~15MHz.
Above-mentioned small-power electrodeless fluorescent tube wherein, also comprises an electric capacity, and said electric capacity is connected with coil turn, and this electric capacity is used to regulate luminous power.
Above-mentioned small-power electrodeless fluorescent tube, wherein, the withstand voltage of said electric capacity is more than the 2KV.
Above-mentioned small-power electrodeless fluorescent tube, wherein, the power regulating range of said electrodeless fluorescent tube is 3W~25W.
Above-mentioned small-power electrodeless fluorescent tube, wherein, above-mentioned fluorescent tube body is a closed type fluorescent tube body, comprises spherical shell, two side arms and brachium pontis; Said two side arms is arranged on the same hemisphere of spherical shell, and the end that two side arms is connected with spherical shell is communicated with spherical shell, and the sealing of the other end of two side arms; The two ends of said brachium pontis are connected with two side arms respectively, and this brachium pontis is communicated with two side arms respectively.
Above-mentioned small-power electrodeless fluorescent tube, wherein, above-mentioned two side arms and brachium pontis are the cylinder of hollow.
Above-mentioned small-power electrodeless fluorescent tube; Wherein, Above-mentioned coil turn divides three sections directly to be wrapped on brachium pontis and the two side arms respectively; Promptly comprise the second section coil turn that is wrapped on the brachium pontis and be wrapped in first section coil turn and the 3rd section coil turn on the two side arms respectively, said first section coil turn, second section coil turn are connected with the 3rd section coil turn successively.
Small-power electrodeless lamp of the present invention and fluorescent tube thereof because coil turn directly is wrapped on the fluorescent tube body, have been saved the coil turn occupation space, and electrodeless lamp body is long-pending reduces, the convenient installation; Coil turn directly is wrapped on the fluorescent tube body, has avoided the problem of ferrite magnetic core loss, improved the efficient of electrodeless lamp, realized that excitation power supply electrodeless light fixture in low power range has the works fine performance.
Description of drawings
Small-power electrodeless lamp of the present invention and fluorescent tube thereof are provided by following embodiment and accompanying drawing.
Fig. 1 is the structural representation of the fluorescent tube of electrodeless lamp of the prior art.
Fig. 2 is the structural representation of small-power electrodeless lamp one embodiment of the present invention.
Fig. 3 is the structural representation of small-power electrodeless fluorescent tube one embodiment of the present invention.
The specific embodiment
Below will combine Fig. 2~Fig. 3 that small-power electrodeless lamp of the present invention and fluorescent tube thereof are done further to describe in detail.
Shown in Figure 2 is the structure chart of an embodiment of small-power electrodeless lamp of the present invention.
As shown in Figure 2, small-power electrodeless lamp of the present invention comprises lamp holder 2, control circuit shell 3, control circuit 4, clamping plate 5, fluorescent tube body 6 and coil turn 7.
Said lamp holder 2 can be installed on the lamp socket, realizes being connected of electrodeless lamp and excitation power supply.
Said control circuit shell 3 is the bowl-shape of back-off in shape, and above-mentioned lamp holder 2 is arranged on the top of control circuit shell 3 outer surfaces.
Said control circuit 4 is located in the above-mentioned control circuit shell 3.
Said clamping plate 5 are connected with above-mentioned control circuit 4, and these clamping plate 5 are arranged on the end of control circuit shell 3 openends.
Said fluorescent tube body 6 is connected with above-mentioned clamping plate 5, and this fluorescent tube body 6 is realized and being connected of control circuit 4 through clamping plate 5.
Said coil turn 7 directly is wound on the above-mentioned fluorescent tube body 6, and this coil turn 7 is connected with clamping plate 5 and realizes and being connected of control circuit 4 through clamping plate 5.
Referring to Fig. 3, above-mentioned fluorescent tube body 6 is a closed type fluorescent tube body, comprises spherical shell 61, two side arms 62 and brachium pontis 63.
Said two side arms 62 is set in parallel on the same hemisphere of spherical shell 61, and the end that two side arms 62 is connected with spherical shell 61 is communicated with spherical shell 61, and the sealing of the other end of two side arms 62.
The two ends of said brachium pontis 63 are connected with two side arms 62 respectively, and this brachium pontis 63 is communicated with two side arms 62 respectively.
Above-mentioned two side arms 62 is used for being connected with clamping plate 5, thereby realizes being connected of fluorescent tube body 6 and clamping plate 5.
Above-mentioned two side arms 62 and brachium pontis 63 are the cylinder of hollow.
Said coil turn 7 can directly be wrapped on the brachium pontis 63, also can directly be wrapped in arbitrarily on the side arm 62, perhaps directly is wrapped in simultaneously on brachium pontis 63 and the side arm 62.In the present embodiment; Three sections of above-mentioned coil turn 7 minutes directly are wrapped in respectively on brachium pontis 63 and the two side arms 62; Promptly comprise the second section coil turn 72 that is wrapped on the brachium pontis 63 and be wrapped in first section coil turn 71 and the 3rd section coil turn 73 on the two side arms 62 respectively that said first section coil turn 71, second section coil turn 72 are connected with the 3rd section coil turn 73 successively.
Certainly, the canoe of coil turn 7 is not limited thereto, as long as can just belong to protection scope of the present invention as power coupler, as, can also be wrapped on the spherical shell 61.
The even wound in parallel of each circle coil of above-mentioned coil turn 7 is on brachium pontis 63 or side arm 62, and adjacent two circle coil-spans equate.
Apply phosphor powder layer on the inwall of above-mentioned fluorescent tube body 6, fill the amalgam of mercury and rare gas in the closed type fluorescent tube body 6.Above-mentioned rare gas can be any one or a few the mixing in helium, neon, argon, krypton and the xenon.The pressure of above-mentioned rare gas is 30-60Pa, and this rare gas is as buffer gas.
In the present embodiment, select mercury-krypton (Hg-Hr) gas to fill closed type fluorescent tube body 6, wherein the pressure of krypton is 50Pa.
The frequency of the electric current through above-mentioned coil turn 7 is 2.5MHz~15MHz.
, high frequency electric produces a high-frequency coupling electromagnetic field when passing through coil turn 7; The electronics in fluorescent tube body 6 internal discharge spaces is quickened by electric field; When energy reaches certain value; The Hg gas molecule of electronics and fluorescent tube body 6 bumps, and the avalanche ionization of Hg gas forms the Hg plasma in the fluorescent tube body 6.Hg excitation state 6 3P 1Produce the 253.7nm photon during atom spontaneous transition to ground state, the fluorescent bisque on 253.7nm photon excitation fluorescent tube body 6 inwalls produces the three primary colours visible light.Can be through the apolegamy of fluorescent material, configuration is from the luminous lamp tube body 6 of different-colours such as 2700K~6500K.The 50Pa krypton gas (Hr) of filling in the closed type fluorescent tube body 6 is as buffer gas.
Above-mentioned control circuit 4 comprises the electric capacity of the above withstand voltage of a 2KV, and this electric capacity is connected with coil turn 7 through clamping plate 5, and above-mentioned electric capacity is realized the adjusting of electrodeless lamp brightness as adjuster, and the adjustable range of electrodeless lamp power is 3W~25W.
Enumerate the preferred embodiment of several groups of data declaration small-power electrodeless lamps of the present invention at present:
The electrodeless lamp of 26 circle coils:
The coil current frequency 2.65MHz 2.65MHz 8.2MHz 8.2MHz 13.56MHz 13.56MHz
Electrodeless lamp power 3.1W 7.6W 9.4W 15.2W 15.7W 20.7W
The electrodeless lamp of 36 circle coils:
The coil current frequency 2.65MHz 2.65MHz 8.2MHz 8.2MHz 13.56MHz 13.56MHz
Electrodeless lamp power 3.7W 7.6W 9.1W 15.8W 15.9W 21.9W

Claims (17)

1. small-power electrodeless lamp, the control circuit shell that comprise lamp holder, is connected, control circuit, fluorescent tube body and coil turn with lamp holder; Said control circuit is located in the said control circuit shell; Said fluorescent tube body is connected with control circuit; Said coil turn is connected with said control circuit; It is characterized in that,
Said fluorescent tube body is a closed type fluorescent tube body, comprises spherical shell, two side arms and brachium pontis;
Said coil turn divides three sections directly to be wrapped on brachium pontis and the two side arms respectively; Promptly comprise the second section coil turn that is wrapped on the brachium pontis and be wrapped in first section coil turn and the 3rd section coil turn on the two side arms respectively, said first section coil turn, second section coil turn are connected with the 3rd section coil turn successively;
The even wound in parallel of each circle coil of said coil turn is on the fluorescent tube body;
Said control circuit comprises an electric capacity, and this electric capacity is connected with above-mentioned coil turn, and said electric capacity is realized the adjusting of electrodeless lamp brightness as adjuster.
2. small-power electrodeless lamp as claimed in claim 1 is characterized in that, fills the amalgam of mercury and rare gas in the above-mentioned fluorescent tube body.
3. small-power electrodeless lamp as claimed in claim 2 is characterized in that, said rare gas is one or more the mixing in helium, neon, argon, krypton and the xenon.
4. small-power electrodeless lamp as claimed in claim 2 is characterized in that, the pressure of above-mentioned rare gas is 30-60Pa, and this rare gas is as buffer gas.
5. small-power electrodeless lamp as claimed in claim 1 is characterized in that, the frequency of the electric current through above-mentioned coil turn is 2.5MHz~15MHz.
6. small-power electrodeless lamp as claimed in claim 1 is characterized in that, the power regulating range of said electrodeless lamp is 3W~25W.
7. small-power electrodeless lamp as claimed in claim 1 is characterized in that, above-mentioned fluorescent tube body is a closed type fluorescent tube body, comprises spherical shell, two side arms and brachium pontis;
Said two side arms is arranged on the same hemisphere of spherical shell, and the end that two side arms is connected with spherical shell is communicated with spherical shell, and the sealing of the other end of two side arms;
The two ends of said brachium pontis are connected with two side arms respectively, and this brachium pontis is communicated with two side arms respectively.
8. small-power electrodeless lamp as claimed in claim 7 is characterized in that above-mentioned two side arms and brachium pontis are the cylinder of hollow.
9. a small-power electrodeless fluorescent tube comprises the fluorescent tube body and is wrapped in the coil turn on the fluorescent tube body, and it is characterized in that said small-power electrodeless fluorescent tube also comprises an electric capacity, said electric capacity is connected with coil turn, and this electric capacity is used to regulate luminous power; Said fluorescent tube body is a closed type fluorescent tube body, comprises spherical shell, two side arms and brachium pontis; Said coil turn divides three sections directly to be wrapped on brachium pontis and the two side arms respectively; Promptly comprise the second section coil turn that is wrapped on the brachium pontis and be wrapped in first section coil turn and the 3rd section coil turn on the two side arms respectively, said first section coil turn, second section coil turn are connected with the 3rd section coil turn successively.
10. small-power electrodeless fluorescent tube as claimed in claim 9 is characterized in that, fills the amalgam of mercury and rare gas in the above-mentioned fluorescent tube body.
11. small-power electrodeless fluorescent tube as claimed in claim 10 is characterized in that, said rare gas is one or more the mixing in helium, neon, argon, krypton and the xenon.
12. small-power electrodeless fluorescent tube as claimed in claim 10 is characterized in that, the pressure of above-mentioned rare gas is 30-60Pa, and this rare gas is as buffer gas.
13. small-power electrodeless fluorescent tube as claimed in claim 9 is characterized in that, the frequency of the electric current through above-mentioned coil turn is 2.5MHz~15MHz.
14. small-power electrodeless fluorescent tube as claimed in claim 9 is characterized in that, the withstand voltage of said electric capacity is more than the 2KV.
15. small-power electrodeless fluorescent tube as claimed in claim 9 is characterized in that, the power regulating range of said electrodeless fluorescent tube is 3W~25W.
16. small-power electrodeless fluorescent tube as claimed in claim 9 is characterized in that, above-mentioned fluorescent tube body is a closed type fluorescent tube body, comprises spherical shell, two side arms and brachium pontis;
Said two side arms is arranged on the same hemisphere of spherical shell, and the end that two side arms is connected with spherical shell is communicated with spherical shell, and the sealing of the other end of two side arms;
The two ends of said brachium pontis are connected with two side arms respectively, and this brachium pontis is communicated with two side arms respectively.
17. small-power electrodeless fluorescent tube as claimed in claim 16 is characterized in that above-mentioned two side arms and brachium pontis are the cylinder of hollow.
CN200910054721XA 2009-07-13 2009-07-13 Low-power electrode-less lamp and lamp tube thereof Expired - Fee Related CN101956902B (en)

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Application Number Priority Date Filing Date Title
CN200910054721XA CN101956902B (en) 2009-07-13 2009-07-13 Low-power electrode-less lamp and lamp tube thereof

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Application Number Priority Date Filing Date Title
CN200910054721XA CN101956902B (en) 2009-07-13 2009-07-13 Low-power electrode-less lamp and lamp tube thereof

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CN101956902B true CN101956902B (en) 2012-12-05

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102592945A (en) * 2012-02-26 2012-07-18 烟台同辉照明科技有限公司 Plant growth electrodeless lamp

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1564304A (en) * 2004-03-17 2005-01-12 上海宏源照明电器有限公司 Electromagnetic inductor light with improved structure
CN1892977A (en) * 2005-07-08 2007-01-10 上海宏源照明电器有限公司 Electromagnetic induction lamp and lamp tube
CN1945791A (en) * 2005-10-05 2007-04-11 Lg电子株式会社 Non-electrode sulfur lamp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1564304A (en) * 2004-03-17 2005-01-12 上海宏源照明电器有限公司 Electromagnetic inductor light with improved structure
CN1892977A (en) * 2005-07-08 2007-01-10 上海宏源照明电器有限公司 Electromagnetic induction lamp and lamp tube
CN1945791A (en) * 2005-10-05 2007-04-11 Lg电子株式会社 Non-electrode sulfur lamp

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开平8-287878A 1996.11.01

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