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WO1982002756A1 - Imitated stearin candle - Google Patents

Imitated stearin candle Download PDF

Info

Publication number
WO1982002756A1
WO1982002756A1 PCT/SE1982/000026 SE8200026W WO8202756A1 WO 1982002756 A1 WO1982002756 A1 WO 1982002756A1 SE 8200026 W SE8200026 W SE 8200026W WO 8202756 A1 WO8202756 A1 WO 8202756A1
Authority
WO
WIPO (PCT)
Prior art keywords
imitated
candle
lamp
stearin
hollow body
Prior art date
Application number
PCT/SE1982/000026
Other languages
French (fr)
Inventor
Ab Constator
Original Assignee
Dahlgren Ake
Gripmar Curt Gunnar
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
Application filed by Dahlgren Ake, Gripmar Curt Gunnar filed Critical Dahlgren Ake
Publication of WO1982002756A1 publication Critical patent/WO1982002756A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/04—Lighting devices or systems producing a varying lighting effect simulating flames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/001—Lighting devices intended to be free-standing being candle-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00

Definitions

  • the invention relates to an imitated stearin candle comprising an essentially cylindrical body that supports a swingably mounted lamp in the form of a candle flame at its upper end.
  • the object of the invention is to produce an imitated stearin candle that in an optimal way simulates the flickering of a normal candle without the previously mentioned drawbacks.
  • this is obtained with an imitated stearin candle of the type mentioned above by mounting the lamp at the upper end of a rod shaped lamp holder, the lower end of which is connected to the upper end of a helical spring that is axial symmetrically mounted in the hollow body, a magnetically conducting body being mounted in the area of the lower end of the lamp holder, which magnetically conducting body is set into horizontal motion or oscillation by an intermittent, periodically or aperiodically turned-on and turned-off magnetic field from a coaxially in the hol low body mounted, essentially cylindrical coil.
  • the magnetically conducting body comprises a permanent magnet, whereby the effect of the horizontal motion is increased.
  • Fig. 1 shows an embodiment of the present invention
  • Figs. 2 to 4 show three embodiments of the electronic circuit that is us ed to obtain the flickering in the candle of the present invention.
  • an essentially cylindrical hollow body 1 with an upper aperture is provided with the electrical and mechanical parts forming the present invention.
  • Reference number 2 refers to the lamp that has the form of a flame and that is mounted at the upper end of a rod-shaped lamp holder that resembles a wick.
  • the lower end of the lamp holder 3 is connected to a helical spring 4 that is axial symmetrically mounted in the hollow body, for instance by cementing.
  • the helical spring 4 can for instance be conical, as is shown in the Figure.
  • the lower end of the helical spring is connected to an insert 5, in which electrical and electronic parts are mounted, as will be explained below.
  • the he li ca l spring 4 c an al s o be f a s ten ed by engag ing recesses (not shown) on the inner wall of the hol low body 1.
  • a magnetically conducting body 6 preferably of a permanent magnetical material is mounted, for instance by cementing.
  • An essentially cylindrical coil 7 is coaxially arranged in the hollow body 1 at about the same height as the magnetically conducting body 6.
  • Connecting leads 8 to the lamp 2 extend through the hollow lamp holder 3 and to the insert 5.
  • the connecting leads 9 to the coil 7 extend directly to the insert 5.
  • the bottom of the hollow body is for example formed as a detachable cover (not shown), so that the insert and the parts attached thereto can be inserted and removed.
  • the bottom can also be provided with a threaded socket 10 (shown with dashed lines), so that the imitated stearin candle can be inserted or threaded into a common lamp holder.
  • the insert 5 comprises an electromechanical or electronic switch that intermittently turns off the current flow to the coil 7. This can be done either periodically or aperiodically. Time relais known per se can be used as electromechanical switches.
  • Known periodic multivibrators with transistors, uni junction-transistors, thyristors, JC-multivibrators etc. can be used as electronic switches. Switches with known random number generators can be used as aperiodic multivibrators.
  • the power is supplied either over common batteries, rechargable accumulators or from the power line over a rectifier circuit.
  • the magnetically conducting body 6 that is positioned in the magnetic field of the coil 7 has the same polarity as this magnetic field and is therefore subjected to a repelling force in the horizontal direction, in the same way as in a moving iron measuring instrument, whereby the lamp holder 3 with the lamp 2 is deflected sideways.
  • the magnetically conducting body 6 comprises a permanent magnet, the polarity of which is chosen so that it has the same sign as the magnetic field of the coil 7, so that also in this case a repelling force is obtained.
  • the deflected lamp holder 3 with the lamp 2 returns to the inertial position, but first oscillates a few times across this position, since the spring 4 and the elements 2, 3 and 6 comprise an oscillating system. After a time period of a few seconds the same process is repeated, either periodically or aperiodically. If the current is supplied through batteries or accumulators one or two such power sources can be inserted into the insert 5. If more than one or two power sources are required due to a longer "burn time", these can be inserted into a suitably formed socket foot, into which the imitated stearin candle can be inserted or threaded. The socket foot can be formed to receive several imitated stearin candles.
  • the candle according to the present invention works resembles a measuring instrument with a moving iron core.
  • Such instruments are suited both for direct current and alternating current.
  • the coil 7 could al so be driven by an alternating current, in which case the magnetic body 6 would be replaced by a short-circuited coi l, that wou ld be excentrically mounted in relation to the axis of the coil 7.
  • a voltage that is induced in the shortcircuited coil would produce a current, the magnetic field of which tries to centre the excentrically mounted coil, thereby causing an oscillation of the lamp holder 3 and the lamp 2 sideways.
  • the lamp body 1 will end at the lower part of the helical spring 4 (possibly in a socket resembling socket
  • connection leads 8 and 9 to the lamp 2 and the coil 7, respectively, will have their other end portions mounted in the common, in suitable place positioned insert 5.
  • the alternative embodiment operates in the same way as the embodiment disclosed above and shown in Fig. 1.
  • Fig. 2 shows a simple circuit for energizing the coil 7. This circuit can be mounted in the insert 5 as described above.
  • the drawback of this basic circuit is that the current through the coil is limited, which requires many turns in said coil.
  • Fig. 3 shows a modification of this basic circuit.
  • a large current can be obtained in the coil , which can have fewer turns.
  • this circuit requires a powerful or separate trans formator to avoid blinking of the lamp.
  • Fig. 4 shows another embodiment of the driving circuit of coil 7.
  • the left double base diode and the Darlington transistor produce a triangular voltage wave form with a period of for instance 5 minutes .
  • This triangular wave feeds the right double base diode in the same way as in the basic circuit of Fig. 2.
  • the result is that the pulse repetition rate will vary instead of being constant as in the basic circuit. This wi ll make the flickering of the lamp look more random.
  • the output of the circuit of Fig. 4 can be connected either directly to the coil as in the basic circuit of Fig. 2 or to a thyristor driving circuit as in the embodiment of Fig. 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Imitated stearin candle comprising an essentially cylindrical hollow body (1), that supports a movably mounted lamp (2) in the form of a flame at its upper end, characterized in that the lamp (2) is connected to the upper end of a rod-shaped lamp holder (3), the other end of which is connected to the upper end of a helical spring (4) axial symmetrically mounted in the hollow body, a magnetically conducting body (6) being mounted in the area of the lower end of the lamp holder, which magnetically conducting body (6) is set into horizontal motion or oscillation by an intermittently, periodically or aperiodically turned-on and turned-off magnetic field from an essentially cylindrical coil (7) mounted coaxially in the hollow body.

Description

IMITATED STEARIN CANDLE
The invention relates to an imitated stearin candle comprising an essentially cylindrical body that supports a swingably mounted lamp in the form of a candle flame at its upper end.
There is an increasing) need for a replacement of common candles of paraffin, stearin or the like since, on the one hand said materials are becoming more rare and expensive, and on the other hand more and more consideration is taken for the risk of a fire in connection with use of a freely burning flame. Imitated stearin candles with electrical lamps are already known. An embodiment is also known, in which the lamp is movably mounted, so that the flickering of a normal candle-flame produced by the air turbulence can be simulated. For this reason the lamp has been movably mounted in a rubber membrane in the upper end of the candle body, and an extension in the lamp axis was restricted by a bimetallic stripe. However, a bimetallic stripe requires a relatively large amount of electrical energy for heating and is furthermore characterized in a very slow reaction.
The object of the invention is to produce an imitated stearin candle that in an optimal way simulates the flickering of a normal candle without the previously mentioned drawbacks.
According to the invention this is obtained with an imitated stearin candle of the type mentioned above by mounting the lamp at the upper end of a rod shaped lamp holder, the lower end of which is connected to the upper end of a helical spring that is axial symmetrically mounted in the hollow body, a magnetically conducting body being mounted in the area of the lower end of the lamp holder, which magnetically conducting body is set into horizontal motion or oscillation by an intermittent, periodically or aperiodically turned-on and turned-off magnetic field from a coaxially in the hol low body mounted, essentially cylindrical coil. In a preferred embodiment of the invention the magnetically conducting body comprises a permanent magnet, whereby the effect of the horizontal motion is increased.
A preferred embodiment of the invention will now be described with the aid of the attached drawings, on which
Fig. 1 shows an embodiment of the present invention, and
Figs. 2 to 4 show three embodiments of the electronic circuit that is us ed to obtain the flickering in the candle of the present invention.
Referring to Fig. 1 , an essentially cylindrical hollow body 1 with an upper aperture is provided with the electrical and mechanical parts forming the present invention. Reference number 2 refers to the lamp that has the form of a flame and that is mounted at the upper end of a rod-shaped lamp holder that resembles a wick. The lower end of the lamp holder 3 is connected to a helical spring 4 that is axial symmetrically mounted in the hollow body, for instance by cementing. The helical spring 4 can for instance be conical, as is shown in the Figure. The lower end of the helical spring is connected to an insert 5, in which electrical and electronic parts are mounted, as will be explained below. However, the he li ca l spring 4 c an al s o be f a s ten ed by engag ing recesses (not shown) on the inner wall of the hol low body 1. At the lower area of the lamp holder 3 a magnetically conducting body 6, preferably of a permanent magnetical material is mounted, for instance by cementing. An essentially cylindrical coil 7 is coaxially arranged in the hollow body 1 at about the same height as the magnetically conducting body 6. Connecting leads 8 to the lamp 2 extend through the hollow lamp holder 3 and to the insert 5. The connecting leads 9 to the coil 7 extend directly to the insert 5. The bottom of the hollow body is for example formed as a detachable cover (not shown), so that the insert and the parts attached thereto can be inserted and removed. However, the bottom can also be provided with a threaded socket 10 (shown with dashed lines), so that the imitated stearin candle can be inserted or threaded into a common lamp holder. In principle the insert 5 comprises an electromechanical or electronic switch that intermittently turns off the current flow to the coil 7. This can be done either periodically or aperiodically. Time relais known per se can be used as electromechanical switches. Known periodic multivibrators with transistors, uni junction-transistors, thyristors, JC-multivibrators etc. can be used as electronic switches. Switches with known random number generators can be used as aperiodic multivibrators. The power is supplied either over common batteries, rechargable accumulators or from the power line over a rectifier circuit.
When the switch in the insert 5 is closed current flows to build up a magnetic field in the coil 7. The magnetically conducting body 6 that is positioned in the magnetic field of the coil 7 has the same polarity as this magnetic field and is therefore subjected to a repelling force in the horizontal direction, in the same way as in a moving iron measuring instrument, whereby the lamp holder 3 with the lamp 2 is deflected sideways.
In a preferred embodiment of the invention the magnetically conducting body 6 comprises a permanent magnet, the polarity of which is chosen so that it has the same sign as the magnetic field of the coil 7, so that also in this case a repelling force is obtained.
As soon as the current flow to the coil 7 is then turned-off by the switch, the deflected lamp holder 3 with the lamp 2 returns to the inertial position, but first oscillates a few times across this position, since the spring 4 and the elements 2, 3 and 6 comprise an oscillating system. After a time period of a few seconds the same process is repeated, either periodically or aperiodically. If the current is supplied through batteries or accumulators one or two such power sources can be inserted into the insert 5. If more than one or two power sources are required due to a longer "burn time", these can be inserted into a suitably formed socket foot, into which the imitated stearin candle can be inserted or threaded. The socket foot can be formed to receive several imitated stearin candles.
As mentioned above the way the candle according to the present invention works resembles a measuring instrument with a moving iron core. Such instruments are suited both for direct current and alternating current. Accordingly, the coil 7 could al so be driven by an alternating current, in which case the magnetic body 6 would be replaced by a short-circuited coi l, that wou ld be excentrically mounted in relation to the axis of the coil 7. In this case a voltage that is induced in the shortcircuited coil would produce a current, the magnetic field of which tries to centre the excentrically mounted coil, thereby causing an oscillation of the lamp holder 3 and the lamp 2 sideways. In an alternative embodiment of the invention several imitated stearin candles are arranged side by side in a common candle stick or chandelier. In this alternative embodiment the upper part of the candle is the same as before, while the lower part is modified so that the previously shown insert 5 is common for all candles.
Thus, the lamp body 1 will end at the lower part of the helical spring 4 (possibly in a socket resembling socket
10) and the connection leads 8 and 9 to the lamp 2 and the coil 7, respectively, will have their other end portions mounted in the common, in suitable place positioned insert 5. In other respects the alternative embodiment operates in the same way as the embodiment disclosed above and shown in Fig. 1.
Fig. 2 shows a simple circuit for energizing the coil 7. This circuit can be mounted in the insert 5 as described above. The drawback of this basic circuit is that the current through the coil is limited, which requires many turns in said coil.
Fig. 3 shows a modification of this basic circuit. In this case a large current can be obtained in the coil , which can have fewer turns. On the other hand, this circuit requires a powerful or separate trans formator to avoid blinking of the lamp.
Fig. 4 shows another embodiment of the driving circuit of coil 7. In this case the left double base diode and the Darlington transistor produce a triangular voltage wave form with a period of for instance 5 minutes . This triangular wave feeds the right double base diode in the same way as in the basic circuit of Fig. 2. The result is that the pulse repetition rate will vary instead of being constant as in the basic circuit. This wi ll make the flickering of the lamp look more random. The output of the circuit of Fig. 4 can be connected either directly to the coil as in the basic circuit of Fig. 2 or to a thyristor driving circuit as in the embodiment of Fig. 3.

Claims

1. Imitated stearin candle comprising an essentially cylindrical hollow body, that supports a movably mounted lamp in the form of a flame at its upper end, c h a r a c t e r i z e d in that the lamp is connected to the upper end of a rod-shaped lamp holder, the other end of which is connected to the upper end of a helical spring axial symmetrically mounted in the hollow body, a magnetically conducting body being mounted in the area of the lower end of the lamp holder, which magnetically conducting body is set into horizontal motion or oscillation by an intermittently, periodically or aperiodically turned-on and turned-off magnetic field from an essentially cylindrical coil mounted coaxially in the hollow body.
2. Imitated stearin candle in accordance with claim 1 c h a r a c t e r i z e d in that the magnetically conducting body is a permanent magnet.
3. Imitated stearin candle in accordance with claim 1 or 2, c h a r a c t e r i z e d in that the magnetic field is produced in an insert comprising an electromechanical or electronic switch that produces the intermittent current to the. coil.
4. Imitated stearin candle in accordance with claim 1 or 2, c h a r a c t e r i z e d in a switch common to several candles and arranged to produce intermittent current to the candles, which are arranged in a common candle stick or chandelier.
PCT/SE1982/000026 1981-01-29 1982-01-29 Imitated stearin candle WO1982002756A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT401/81810129 1981-01-29
AT0040181A AT370230B (en) 1981-01-29 1981-01-29 ARTIFICIAL CANDLE

Publications (1)

Publication Number Publication Date
WO1982002756A1 true WO1982002756A1 (en) 1982-08-19

Family

ID=3489638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1982/000026 WO1982002756A1 (en) 1981-01-29 1982-01-29 Imitated stearin candle

Country Status (2)

Country Link
AT (1) AT370230B (en)
WO (1) WO1982002756A1 (en)

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WO2010039347A1 (en) * 2008-09-30 2010-04-08 Disney Enterprises, Inc. Kinetic flame device
US8070319B2 (en) 2008-09-30 2011-12-06 Disney Enterprises, Inc. Kinetic flame device
US8132936B2 (en) 2008-09-30 2012-03-13 Disney Enterprises, Inc. Kinetic flame device
US8342712B2 (en) 2008-09-30 2013-01-01 Disney Enterprises, Inc. Kinetic flame device
US8562186B2 (en) 2002-02-27 2013-10-22 Winvic Sales Inc. Electrically illuminated flame simulator
CN103791434A (en) * 2014-03-11 2014-05-14 东莞大信装饰礼品有限公司 Magnetic positioning swing emulational flame stand
CN104482493A (en) * 2014-12-26 2015-04-01 佛山冠今光电科技有限公司 Candle power simulating light emitting device
CN104534397A (en) * 2014-12-31 2015-04-22 佛山冠今光电科技有限公司 Intelligent music-based light emitting device capable of simulating candlelight
US9068706B2 (en) 2012-03-07 2015-06-30 Winvic Sales Inc. Electronic luminary device with simulated flame
EP2949989A4 (en) * 2014-04-10 2016-03-16 Shangqiang Wu ELECTRONIC LIGHT EMITTING DEVICE SIMULATING A REAL FIRE
US9366402B2 (en) 2010-06-28 2016-06-14 Shenzhen Liown Electronics Company Ltd. Electronic lighting device and method for manufacturing same
US9371973B2 (en) 2010-06-28 2016-06-21 Shenzhen Liown Electronics Company Ltd. Electronic lighting device and method for manufacturing same
US9518710B2 (en) 2013-03-15 2016-12-13 Xiaofeng Li Electronic flameless candle
US9551470B2 (en) 2014-06-24 2017-01-24 Xiaofeng Li Electric candle with illuminating panel
US9585980B1 (en) 2016-06-27 2017-03-07 Xiaofeng Li Scented electronic candle device
US9605824B1 (en) 2016-05-03 2017-03-28 Xiaofeng Li Imitation candle device with enhanced control features
US9625112B2 (en) 2013-03-15 2017-04-18 Xiaofeng Li Electronic flameless candle
US9689538B2 (en) 2008-11-18 2017-06-27 Shenzhen Liown Electronics Company Ltd. Electronic candle having tilt sensor and blow sensors
US9709230B2 (en) 2015-12-14 2017-07-18 Luminara Worldwide, Llc Electric candle having flickering effect
US9739432B2 (en) 2016-01-27 2017-08-22 Xiaofeng Li Imitation candle and flame simulation assembly thereof
US9810388B1 (en) 2016-08-26 2017-11-07 Xiaofeng Li Imitation candle and flame simulation assembly with multi-color illumination
US10010640B1 (en) 2017-06-17 2018-07-03 Xiaofeng Li Electronic scented candle and fragrance container
US10111307B2 (en) 2016-06-17 2018-10-23 Xiaofeng Li Systems and methods for remotely controlling an imitation candle device
US10302263B2 (en) 2017-04-01 2019-05-28 Xiaofeng Li Scented imitation candle device
US10352517B2 (en) 2017-09-07 2019-07-16 Sterno Home Inc. Artificial candle with moveable projection screen position
US10393332B2 (en) 2017-04-20 2019-08-27 L & L Candle Company, LLC Electric candle having flickering effect
US10578281B2 (en) 2013-07-30 2020-03-03 Haisong Dong Illumination devices
US12359784B2 (en) 2024-01-29 2025-07-15 L&L Candle Company, Llc Kinetic flame device

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US9371973B2 (en) 2010-06-28 2016-06-21 Shenzhen Liown Electronics Company Ltd. Electronic lighting device and method for manufacturing same
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US10024507B2 (en) 2012-03-07 2018-07-17 Sterno Home Inc. Electronic luminary device with simulated flame
US9068706B2 (en) 2012-03-07 2015-06-30 Winvic Sales Inc. Electronic luminary device with simulated flame
US9447937B2 (en) 2012-03-07 2016-09-20 Nii Northern International Inc. Electronic luminary device with simulated flame
US9518710B2 (en) 2013-03-15 2016-12-13 Xiaofeng Li Electronic flameless candle
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