WO2005088676A1 - Lampe amelioree a induction electromagnetique - Google Patents

Lampe amelioree a induction electromagnetique Download PDF

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Publication number
WO2005088676A1
WO2005088676A1 PCT/CN2005/000334 CN2005000334W WO2005088676A1 WO 2005088676 A1 WO2005088676 A1 WO 2005088676A1 CN 2005000334 W CN2005000334 W CN 2005000334W WO 2005088676 A1 WO2005088676 A1 WO 2005088676A1
Authority
WO
WIPO (PCT)
Prior art keywords
lamp
lamp tube
control circuit
electromagnetic induction
tube
Prior art date
Application number
PCT/CN2005/000334
Other languages
English (en)
Chinese (zh)
Inventor
Weide Li
Original Assignee
Shanghai Hongyuan Lighting & Electrical Equipment 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.)
Filing date
Publication date
Priority claimed from CN 200410016992 external-priority patent/CN1288707C/zh
Priority claimed from CN 200520039974 external-priority patent/CN2831416Y/zh
Application filed by Shanghai Hongyuan Lighting & Electrical Equipment Co., Ltd. filed Critical Shanghai Hongyuan Lighting & Electrical Equipment Co., Ltd.
Publication of WO2005088676A1 publication Critical patent/WO2005088676A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels

Definitions

  • the present invention relates to an electromagnetic induction lamp, and more particularly, to an electromagnetic induction lamp with an improved structure, which improves the structure of a lamp tube and a magnetic hoop of the electromagnetic induction lamp. Background technique
  • Electromagnetic induction lamp is a new generation energy-saving product with no filament, high luminous efficiency, high luminous flux, long life and high power factor. It can be widely used in homes, factories, office places, roads, engineering construction sites, etc.
  • the lamp 100 includes:
  • the lamp holder 102 can be connected to the lamp holder.
  • the housing 104 is connected to the lamp holder 102 and has a cavity therein.
  • the electromagnetic induction lamp circuit is placed in the cavity of the casing 104.
  • the lamp tube 106 has a spherical shape, and is fixed on the outer shell 104. Inside, there is a radon gas 108 and an amalgam 108 for maintaining discharge.
  • the glass cavity 110 containing the coil is fixed on the casing 104 and extends into the interior of the lamp tube 106.
  • An exhaust hole 112 is provided at one end.
  • a conductive glass material 114 is connected to the RF ground portion, and the lamp tube 106 and the RF ground portion are connected.
  • the phosphor coating 116 covers the inside of the lamp tube 106, the outside of the glass cavity 110, and the portion where the lamp tube 106 and the conductive glass material 114 are connected.
  • the titanium dioxide reflective coating 118 covers the outside of the glass cavity 110 and the portion where the lamp tube 106 and the conductive glass material 114 are connected.
  • the conductive coating 120 covers the outside of the lamp tube 106.
  • the coil placed in the glass cavity 110 will generate a magnetic field, which drives the gas in the lamp tube.
  • Patent US 2003011322 discloses an improved electromagnetic induction lamp, which separates the circuit from the lamp tube. In this way, when the lamp tube is damaged, only the lamp tube can be replaced, which can greatly save costs.
  • the lamp tube of the electromagnetic induction lamp disclosed in the patent must have two magnetic rings on the lamp tube. Since the magnetic ring must be connected to the control circuit to work, the two magnetic rings increase the connection to a certain extent The complexity of the circuit, therefore, in applications with special requirements, the scope of application of this lamp is limited.
  • the lamp tube of the lamp tube protrudes from the outside of the lamp tube. As the exhaust tube is broken and damaged, the lamp tube will be scrapped. Therefore, when using this kind of lamp tube, it is necessary to pay attention to the position of the exhaust tube. Limit the scope of use of this lamp.
  • the object of the present invention is to provide an electromagnetic induction lamp with an improved structure, which improves the structure of the lamp tube and the magnetic hoop, so that it can have a larger scope of application and safety in use, and can also improve the light emission of the electromagnetic induction lamp. effectiveness.
  • the present invention adopts the following technical solutions:
  • An electromagnetic induction lamp with an improved structure includes: a lamp cap, which can be mounted on a lamp holder; a control circuit shell connected to the lamp cap, the lamp cap being sleeved on the control circuit shell, and inside the control circuit shell A control circuit is placed; a lamp tube is connected to the control circuit housing, the inner wall of the lamp tube is coated with a phosphor layer, and the cavity of the lamp tube contains gas and amalgam; a magnetic hoop is sleeved on the lamp tube Surrounding a section of the lamp tube; a magnetic ring placed in the magnetic ring hoop, the magnetic ring also surrounding the section of the lamp tube; a coil wound around the magnetic ring, and The control circuit is connected to provide a magnetic field to light the electromagnetic induction lamp; wherein the electromagnetic induction lamp uses only one of the magnetic ring hoop which surrounds a certain section of the lamp tube; the exhaust pipe of the lamp tube is Placed inside the tube.
  • the lamp further includes a clamping plate, the clamping plate is connected to the control circuit housing; the lamp tube is not connected to the control circuit housing, but is connected to the clamping plate; the magnetic The hoop is connected to the splint.
  • a mercury-fixing and indium mesh is placed in an exhaust pipe of the lamp tube.
  • the lamp also has one or more ports on which an indium mesh is placed.
  • the lamp tube has a closed three-dimensional shape.
  • the positive column area at the bottom end of the lamp tube has an enlarged cross-sectional area.
  • the lamp tube is a "U" shape, a bridge is formed in the "U” shape opening, the magnetic ring hoop and the magnetic ring are sleeved on the bridge, and the bottom end of the lamp tube is enlarged into a mushroom shape.
  • the lamp tube has a “ ⁇ ” shape, and the bottom end is enlarged into a mushroom shape.
  • the electromagnetic induction lamp of the present invention puts the exhaust pipe inside the lamp tube, so that it no longer protrudes out of the lamp tube, reduces the possibility of damage to the exhaust pipe, and also makes the lamp's Start-up and work are less affected by external temperature.
  • the electromagnetic induction lamp uses only one magnetic hoop, which can further reduce the size of the entire lamp.
  • the indium mesh is used as an auxiliary start, so that the lamp can reach the rated luminous flux instantly after starting.
  • the invention also controls the optimal temperature of the plasma by appropriately expanding the cross-sectional area of the discharge, which can effectively reduce the ionization loss of the discharge. The more important thing is to solve the problem of radial corona in the discharge.
  • FIGS. 3A and 3B are structural diagrams of a lamp tube of an electromagnetic induction lamp according to an embodiment of the present invention. detailed description The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.
  • the electromagnetic induction lamp 200 of this embodiment includes the following structure: a lamp holder 202, and the lamp holder 202 may be mounted on a lamp holder.
  • the structure of the lamp holder 202 is the same as that in the conventional technology, and the structure of the lamp holder is also the same.
  • the control circuit housing 204 is connected to the lamp holder 202, and the lamp holder 202 is sleeved on the control circuit housing 204.
  • the control circuit housing 204 houses a control circuit 206 therein.
  • the inner wall of the lamp tube 208 is coated with a phosphor layer, and the cavity of the lamp tube contains gas and amalgam (this will be described in detail in the description in conjunction with FIG. 3).
  • the magnetic hoop 210 is sleeved on the lamp tube 208 and surrounds a certain section of the lamp tube 208.
  • the shape of the lamp tube here is “U”, and there is a bridge in the “U” opening (the lamp tube will be described in detail later with reference to FIG. 3).
  • the magnetic hoop 210 is located at the bridge and surrounds a section on the bridge.
  • a coil 214 is wound on the magnetic ring 212, and the coil 214 is connected to the control circuit 206 and provides a magnetic field to light the electromagnetic induction lamp 200.
  • An improvement of the present invention lies in the number of the magnetic hoop 210. According to the technical solution of the present invention, it uses only one magnetic hoop 210, and as shown in FIG. 2, when this "U" type with a bridge is used When the lamp tube is used, the position of the magnetic hoop 210 is located in an empty crotch in the middle of the lamp tube, which does not need to occupy additional space, so the overall volume of the lamp tube can be reduced.
  • This embodiment also includes a clamping plate 216.
  • the lamp tube 208 and the magnetic hoop 210 are not directly connected to the control circuit housing 204, but are connected to the clamping plate 216, and the clamping plate 216 is connected to the control circuit housing 204.
  • FIG. 2B a part of the lamp tube 208 and the connection of the magnetic hoop 210 and the clamp plate 216 are drawn in a sectional view. In this embodiment, the connection is made by screws.
  • FIG. 3A and 3B are structural views of a lamp tube according to an embodiment of the present invention, which are also views from two directions.
  • the shape of the lamp tube 300 in this embodiment is a “U” type lamp tube, and a bridge 302 is formed in the “U” opening.
  • the magnetic ring hoop 210 in this embodiment is sleeved on the bridge 302. .
  • the present invention does not limit the shape of the lamp tube. Any shape of the lamp tube capable of forming a closed shape can be used, and the position of the magnetic hoop 210 is not fixed, as long as it can surround the lamp tube. One section is sufficient.
  • the present invention also has an improvement, that is, the exhaust pipe is placed inside the lamp tube. As shown in FIG. 3, at one end of the "U" shape, there is an exhaust pipe 304 that is recessed downward. Compared with the prior art (refer to FIG.
  • the exhaust pipe 304 in the lamp tube of the present invention It no longer protrudes from the outside of the lamp, which greatly reduces the possibility of damage to the exhaust pipe of the lamp.
  • an indium mesh 308 is also added.
  • the indium mesh 308 can reduce the influence of the lamp's startup and operation on the external temperature, and the lamp reaches the rated instantaneously after the lamp is started. Luminous flux and full power state.
  • one or more ports with an indium mesh 308 can be provided in the lamp tube.
  • the other end 310 of the "U" tube is provided with one There are ports for indium mesh 308.
  • FIG. 3B illustrates the structure of the lamp tube 300 from the side, and its connection with the magnetic hoop 210 has been described previously, and will not be repeated here.
  • the exhaust pipe of the lamp tube is transferred from the outside of the original lamp tube to the inside of the lamp tube, which fundamentally solves the problem of the exhaust pipe breaking due to improper operation and handling during the production process, and reduces Consumption in the production process, reducing production costs.
  • the design of the luminaire can avoid the difficulty of avoiding the exhaust pipe. It also makes the starting and working of the lamp less affected by the external temperature. At the same time, it only uses a magnetic ring.
  • the electromagnetic induction lamp can be applied to various small spaces, making the electromagnetic induction lamp truly Moving towards miniaturization, replacing current energy-saving lamps. Indium mesh is used as an auxiliary start, so that the lamp can reach the rated luminous flux instantly after starting.
  • the relationship between the discharge current and the electric field is as follows. In the positive column area, the relationship between the discharge current and the electric field is:
  • the electromagnetic induction lamp includes: a lamp holder 402, and the lamp holder 402 can be mounted on a lamp holder.
  • the structure of the lamp holder 402 is the same as that in the conventional technology, and the structure of the lamp holder is also the same.
  • the control circuit housing 404 is connected to the lamp holder 402, and the lamp holder 402 is sleeved on the control circuit housing 404.
  • the control circuit housing 404 houses a control circuit 406 therein.
  • the control circuit housing is connected to the lamp cover 405, which is connected to the lamp tube 408.
  • the inner wall of the lamp tube 408 is coated with a phosphor layer 407.
  • the cavity of the lamp tube contains gas and amalgam, and the gas is an inert gas 409.
  • the magnetic ring hoop 410 is sleeved on the lamp tube 408 and surrounds a section of the lamp tube 408.
  • the magnetic ring hoop 410 is fixed on the lamp cover 405 by screws 411. There is a magnetic ring 412 in the magnetic ring hoop 410, and the magnetic ring 412 also surrounds the above-mentioned section of the lamp tube 408.
  • the shape of the lamp tube is "U", and there is a bridge in the "U” opening.
  • the magnetic hoop 410 is located at the bridge and surrounds a section on the bridge.
  • a coil 414 is wound on the magnetic ring 412, and the coil 414 is connected to the control circuit 406 to provide a magnetic field to light the electromagnetic induction lamp 400. Referring to the partial cross-sectional structure in FIGS.
  • the lamp tube 408 two top ends of the lamp tube 408 are each provided with a built-in exhaust pipe 416, and the mercury pipe 418 and the indium mesh 20 are placed in the exhaust pipe 416.
  • the exhaust pipe 416 of the lamp tube 408 shown in this embodiment is placed inside the lamp tube, which is more conducive to the safe use of the lamp tube.
  • Mercury and indium mesh are placed in the exhaust pipe.
  • the lamp The tube 408 also has one or more other ports on which an indium mesh is placed, such as another port of the "U" type. Although this port is not cut out in Figs. 4A and 4B, those skilled in the art can understand its structure. .
  • the lamp tube 408 is the shape of its bottom end.
  • the lamp tube 408 in this embodiment is also "U" shaped, the bottom end is enlarged to show Mushroom type, which is obvious from the side view structure in FIG. 4B.
  • the lamp tube 408 in this shape enlarges the cross-sectional area of the positive column region, can better control the optimal temperature of the plasma operation, and can effectively reduce the ionization loss of the discharge. The more important thing is to solve the problem of radial corona in the discharge. Because the occurrence of corona depends on the concentration of electrons, reducing the concentration of electrons can suppress the corona discharge, make the performance of the lamp more stable, and reduce the energy of high-energy electrons. Attrition.
  • the lamp tube can also have a " ⁇ " shape, and the bottom end is also enlarged into a mushroom shape.
  • the lamp tube may be of a hemispherical shape with a larger diameter at the bottom end. It should be noted that other shapes, as long as they meet the criterion of expanding the cross-sectional area of the columnar area, should be regarded as within the scope of the present invention.
  • the ionization loss of the discharge can be effectively reduced.
  • the main thing is to solve the problem of radial corona of mercury in discharge. Because the occurrence of corona depends on the concentration of electrons, low electron concentration can suppress corona discharge, make the performance of the lamp more stable, and reduce the energy of high-energy electrons. Attrition.
  • the electromagnetic induction lamp of the present invention puts the exhaust pipe inside the lamp tube, so that it no longer protrudes out of the lamp tube, reduces the possibility of damage to the exhaust pipe, and enables the lamp to start and work.
  • the electromagnetic induction lamp uses only one magnetic ring hoop, which can further reduce the volume of the entire lamp.
  • the indium mesh is used as an auxiliary start, so that the lamp can reach the rated luminous flux instantly after starting.
  • the invention also controls the optimal temperature of the plasma operation by appropriately expanding the cross-sectional area of the discharge, which can effectively reduce the ionization loss of the discharge. The more important thing is to solve the problem of radial corona in the discharge. Because the occurrence of corona depends on the concentration of electrons, reducing the concentration of electrons can suppress the corona discharge, make the performance of the lamp more stable, and reduce the energy of high energy electrons. Attrition.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

L'invention concerne une lampe améliorée à induction électromagnétique qui comprend un culot de lampe montée sur une douille de lampe ; un boîtier destiné à un circuit de commande couvert par le culot de lampe, dans lequel un circuit de commande est placé ; un tube de lampe connecté au boîtier destiné au circuit de commande et recouvert d'une couche fluorescente sur sa paroi intérieure et qui contient un gaz et un amalgame ; un arc magnétique entourant le tube de lampe et renfermant une section transversale du tube de lampe ; un cercle magnétique situé à l'intérieur de l'arc magnétique et renfermant également la section transversale du tube de lampe ; une bobine entourant le cercle magnétique et connectée au circuit de commande qui crée un champ magnétique afin de soulager la lampe améliorée à induction électromagnétique. La lampe améliorée à induction électromagnétique n'utilise qu'un arc magnétique qui renferme une section transversale du tube de lampe et le tube d'échappement du tube de lampe est situé à l'intérieur du tube de lampe de façon qu'il puisse résoudre le problème posé par la fragilité du tube d'échappement et réduire le volume total de la lampe. Par ailleurs, la colonne positive située au fond du tube de lampe comprend également une zone de coupe expansive qui permet de commander la température de fonctionnement optimal du plasma de façon qu'elle puisse réduire efficacement la perte d'ionisation de la décharge et, plus particulièrement, résoudre la couronne radiale du mercure pendant la décharge.
PCT/CN2005/000334 2004-03-17 2005-03-17 Lampe amelioree a induction electromagnetique WO2005088676A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN 200410016992 CN1288707C (zh) 2004-03-17 2004-03-17 电磁感应灯
CN200410016992.3 2004-03-17
CN200520039974.7 2005-03-07
CN 200520039974 CN2831416Y (zh) 2005-03-07 2005-03-07 电磁感应灯

Publications (1)

Publication Number Publication Date
WO2005088676A1 true WO2005088676A1 (fr) 2005-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2005/000334 WO2005088676A1 (fr) 2004-03-17 2005-03-17 Lampe amelioree a induction electromagnetique

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WO (1) WO2005088676A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101488441A (zh) * 2009-02-13 2009-07-22 朱升和 双端无极灯

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0794151A (ja) * 1993-09-22 1995-04-07 Ikeda Electric Co Ltd 無電極放電灯点灯装置
CN1158186A (zh) * 1995-05-24 1997-08-27 菲利浦电子有限公司 照明装置，用于照明装置的无电极低压放电灯、放电室
CN1272681A (zh) * 1999-05-03 2000-11-08 松下电器产业株式会社 无电极放电灯

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0794151A (ja) * 1993-09-22 1995-04-07 Ikeda Electric Co Ltd 無電極放電灯点灯装置
CN1158186A (zh) * 1995-05-24 1997-08-27 菲利浦电子有限公司 照明装置，用于照明装置的无电极低压放电灯、放电室
CN1272681A (zh) * 1999-05-03 2000-11-08 松下电器产业株式会社 无电极放电灯

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101488441A (zh) * 2009-02-13 2009-07-22 朱升和 双端无极灯

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