CN2376077Y - Energy-saving lamp - Google Patents

Energy-saving lamp Download PDF

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Publication number
CN2376077Y
CN2376077Y CN 99205983 CN99205983U CN2376077Y CN 2376077 Y CN2376077 Y CN 2376077Y CN 99205983 CN99205983 CN 99205983 CN 99205983 U CN99205983 U CN 99205983U CN 2376077 Y CN2376077 Y CN 2376077Y
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China
Prior art keywords
circuit
electricity
fluorescent tube
saving lamp
transistor
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Expired - Fee Related
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CN 99205983
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Chinese (zh)
Inventor
潘德俊
曾林
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Individual
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Individual
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Priority to CN 99205983 priority Critical patent/CN2376077Y/en
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Publication of CN2376077Y publication Critical patent/CN2376077Y/en
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  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

The utility model relates to an electric energy-saving lamp matched with a common known lamp holder. A control circuit element is arranged at the inner side of the lamp cap, the inner side of the lamp cap is poured with high temperature solidifying sealant which is used for isolating the control circuit board and fixedly connected with the plastic shell. Compared with similar products, the utility model has the advantages of highest light efficiency, smallest volume, lowest temperature rise, and longest service life. Simultaneously, because of the measures of using a thermistor element to resist power supply impulse interference, using an inductor element to resist external radio interference, etc., the safety performance and the use performance of the products can be improved in a maximum limit in limited space. In addition, because the optimized matching technique of circuit elements, under the precondition of the same optical efficiency, the power is minimized.

Description

A kind of electricity-saving lamp
The utility model relates to a kind of lighting lamp, particularly relates to a kind of electricity-saving lamp that can strengthen light efficiency in the smaller power scope.
Usually, the luminous light efficiency of electricity-saving lamp generally all is directly proportional with the length of fluorescent tube, so the various electricity-saving lamps of prior art, and in order to obtain big as far as possible light efficiency, the designer can only realize by the total length that increases fluorescent tube.For example, the electricity-saving lamp that discloses among the Chinese patent ZL97213763.7, when power during at 43~125W, the total length of corresponding fluorescent tube is 70~284mm, for the length that reduces electricity-saving lamp effectively so that use, the document can only be by being provided with U type pipe 6 as much as possible on housing, as shown in Figure 1, such way can reduce the length of lamp body to a certain extent, but because surface of shell is always limited, so the electricity-saving lamp of prior art still can't reduce the volume of lamp body effectively.Therefore the electricity-saving lamp of prior art has only and arranges fluorescent tube compact as much as possible, but the contradiction of fail fundamentally to solve luminous light efficiency and fluorescent tube length.
Secondly, luminous light efficiency is inversely proportional to the caliber of fluorescent tube again, the caliber that is electricity-saving lamp is thin more, the pressure drop that is produced on fluorescent tube is just high more, and then will produce a higher temperature rise at surface of the light tube, and after the regular period, this higher temperature rise meeting causes light decay to increase, and influences the useful life of electricity-saving lamp.The electricity-saving lamp of prior art, for solving above-mentioned contradiction, caliber is generally at Φ 12~Φ about 13, and thick like this caliber also makes the electricity-saving lamp of prior art can not arrange too many U type pipe on housing.On the other hand, after the caliber overstriking,, just can correspondingly strengthen the electric current of the control unit of flowing through, cause the temperature rise of whole lamp higher, so circuit board 4 have to be arranged on the interior and inapplicable Sealing Technology of housing 2 for the electricity-saving lamp of certain power.Therefore, such structure setting not only makes the volume of housing very huge, and is arranged on that circuit boards 4 in the housing 2 are subjected to the influence of dust steam etc. easily and useful life of having reduced fluorescent tube.
In addition, for reducing the volume of electricity-saving lamp, the circuit unit that correspondingly bears high voltage and output higher-order of oscillation electric current all relatively is difficult to design, so the electricity-saving lamp of prior art all adopts the NPN of two polarity complementations, PNP transistor is formed the oscillating switch circuit of high-frequency current, as at the electricity-saving lamp disclosed in the Chinese patent ZL95246685.6, reduce the circuit element that is arranged on the circuit board as much as possible.But because the restriction of transistor dead zone scope, make that such circuit design institute wasted work rate is very big, so its operating efficiency is very low.
The purpose of this utility model is to provide a kind of electricity-saving lamp, is arranged in the lamp holder by the circuit unit sealing with fluorescent tube, has reduced the volume of whole lamp effectively, has improved the heat-resisting ability of electricity-saving lamp.
Another purpose of the present utility model is to provide a kind of circuit unit, controls the conducting and the shutoff of higher-order of oscillation switching circuit reliably by a magnetic ring member, and then can reduce loss, improves the efficient of operating circuit; And by thermistor and inductance spare are set in circuit, with the anti-pulse power interference of raising electricity-saving lamp and the ability of radio interference, the useful life of having improved electricity-saving lamp.
A kind of electricity-saving lamp of the present utility model comprises
A plurality of fluorescent tubes that are interconnected;
One lamp holder, suitable with the conventional, well-known lamp socket;
Be provided with the housing of moulding of inductance element and capacity cell in one cavity, include upper casing spare and lower shell, the some holes portion that this upper casing spare has is used for fixing described a plurality of fluorescent tube; And
One control circuit unit of joining with power supply is characterized in that:
The circuit board section that constitutes described control circuit unit is arranged on the inside of described lamp holder;
The inside envelope of described lamp holder is irritated hot setting sealing glue, is used for described lamp holder and described circuit boards.
Described hot setting sealing glue is fixedlyed connected described lower shell with described lamp holder.
Described upper casing spare by the pusher dog that is provided with on it and described lower shell mutually reed connect.
Described moulding also is provided with a terminal block in the housing, described inductance element, by this terminal block, be connected on the operating circuit of described fluorescent tube, be used to adjust the electric current of the work of described fluorescent tube, and described capacity cell, by this terminal block, be in parallel with described fluorescent tube, be used for becoming series resonant circuit to guarantee the reliable starter of described fluorescent tube with the fluorescent tube circuit bank.
Described moulding also is provided with an insulating trip in the housing, be arranged between described hot setting glue and the described terminal block, is used for described capacity cell, inductance element and fluorescent tube and the insulation of described circuit board are isolated.
Described upper casing spare is arranged to square, and its length of side is 25mm~33mm, and has a plurality of hole portion.
The length of side of described square upper casing spare is 29mm.
Described upper casing spare is arranged to circle, and its diameter is 25mm~35mm, and has a plurality of hole portion.
Described lamp holder is connected in described lamp socket with the jack apparatus of screw thread or evagination.
Described fluorescent tube can also be provided with a lampshade.
A kind of circuit unit that is used for the utility model electricity-saving lamp, the element of its circuit are separately positioned on described lamp holder and described moulding in the housing, wherein are arranged on the circuit board in the described lamp holder to include
One rectification circuit;
By first resistance, the integrating circuit that second resistance and a capacitive element are formed is attempted by the output of described rectification circuit;
The oscillating switch circuit of forming by first transistor and second transistor, be used to export high-frequency current, the wherein said second transistor utmost point is connected across the described first resistance two ends, and described first transistor is connected across described second resistance and capacitive element two ends; And
One two-way diac is connected across between the base stage and described integrating circuit of described first transistor, is used to trigger described first transistor;
Be arranged on the described circuit element of moulding in the housing and include one and be connected in parallel on the lamp tube ends capacity cell, be used for forming series resonant circuit, it is characterized in that with the operating circuit of fluorescent tube:
Be arranged on the circuit board in the described lamp holder and also be provided with
One magnetic ring member is wound with respectively
First inductance coil is connected on the operating circuit of described fluorescent tube;
Second inductance coil, and same resistance unit is formed in the base-emitter loop of described second transistor is used for the mutual induced EMF of inducting when electric current is arranged by described first inductance coil;
The 3rd inductance coil, and same resistance unit is formed in the base-emitter loop of described first transistor is used for the mutual induced EMF of inducting when electric current is arranged by described first inductance coil.
The described first and second transistor polarity are identical.
Be arranged on the described circuit element of moulding in the housing and also comprise an inductance element that is in series with fluorescent tube, be used to adjust the lamp works electric current.
Be fixed on the circuit board in the described lamp holder and also be provided with a thermistor, the input that is serially connected in described rectification circuit is distolateral, is used to reduce the infringement that pulse voltage causes circuit.
The resistance that described thermistor presents when tube starting is 30 Ω~60 Ω.
Described thermistor can bear more than 600 volts when tube starting.
Described thermistor presents resistance after the fluorescent tube operate as normal be 30 Ω~60 Ω.
Be fixed on the circuit board in the described lamp holder and also be provided with an inductance element, the input that is serially connected in described rectification circuit is distolateral, is used to suppress radio interference.
Be fixed on the circuit board in the described lamp holder and also be provided with an inductance element, the input that is serially connected in described rectification circuit is distolateral, is used to suppress radio interference.
Below in conjunction with accompanying drawing, by detailed description, will make above-mentioned purpose of the present utility model and other advantages apparent to the utility model preferred embodiment, wherein,
Fig. 1 is the structural representation of the electricity-saving lamp of prior art;
Fig. 2 shows the longitudinal sectional drawing of electricity-saving lamp of the present utility model;
Fig. 3 shows the schematic diagram of the amplification that is arranged on the utility model circuit board upper magnetic ring spare;
Fig. 4 A~B is the plane graph of the utility model upper casing spare, shows a plurality of hole portion that is used for fixing fluorescent tube;
Fig. 5 shows the housing schematic diagram of two shell spares overlap joint up and down of moulding of the present utility model;
Fig. 6 is the partial view of the utility model electricity-saving lamp, shows the lamp head of the another embodiment of the utility model, and this lamp head is fixed with lower shell;
Fig. 7 is the circuit unit figure of electricity-saving lamp of the present utility model.
Hereinafter, will describe the utility model in detail.
Fig. 2 shows the cutaway view of the utility model electricity-saving lamp 10, comprising: lamp head 12, and adopt copper material to make, be suitable with the lamp socket of conventional, well-known; What inner chamber was slightly larger than head moulds housing 14, has the upper casing spare 141 of a plurality of hole portion, and the lower shell 142 of fixedlying connected with this lamp head 12, and fluorescent tube 16, is fixed on a plurality of hole portion of this upper casing spare 141.In addition, this upper casing spare 141 is by notch 144 overlap joints of its pusher dog 140 with this lower shell 142, as shown in Figure 5.Specifically, electricity-saving lamp of the present utility model is arranged on the inside of this lamp head 12 with circuit board 20, simultaneously, adopts hot setting sealing glue 18 envelopes to irritate this lamp head 12, and the circuit board 20 that its inside installs is fixing; In addition, it is fixing with lamp holder 12 that lower shell 142 of housing 14 moulded this again by sealing glue 18.This moulds housing 14 internal fixation a terminal block 28, be arranged on this and mould inductance spare 22 and capacitive element 24 in the housing 14, and the fluorescent tube 16 of fixedlying connected with housing 14 links to this terminal block 28 respectively, and two lead-out wires 30 of this terminal block 28 pass two apertures on the insulating trip of freely placing 26 again, link on the circuit board 20 in the lamp holder.
The utility model has been realized the design of circuit part microminiature on the one hand because circuit board is arranged on lamp holder inside, has reduced to mould the volume of shell on the other hand again widely.Shown in Fig. 4 A and 4B is the plane graph that the utility model is moulded shell spare 14, shows a plurality of hole portion that is used for fixing fluorescent tube respectively.According to the total length of fluorescent tube and satisfy the needs of power application, can suitably select to be arranged in the quantity on the upper casing spare 141.Adopt said structure of the present utility model, its thickness of moulding shell spare can be set between 25~50mm, and the length of side of end plane can be arranged between 25~35mm.
Simultaneously, because electricity-saving lamp of the present utility model adopted the refractory seals measure, make circuit board avoid the influence of dust steam etc. and improved the reliability of using.Usually, the fluorescent tube caliber of electricity-saving lamp is thin more, and light efficiency is also high more, but thin more fluorescent tube, and the pressure drop that is produced also can correspondingly improve.Because power one regularly, voltage drop that produces on fluorescent tube and the electric current relation of being passed through of being inversely proportional to.Like this, under the prerequisite of same light flux, adopt the electricity-saving lamp in tubule footpath can reduce power of lamp tube as much as possible again.The caliber of the utility model electricity-saving lamp can be arranged between Φ 6~Φ 9, so power is all less than like product.
In addition, because circuit unit of the present utility model has been taked anti-radio countermeasures and anti-power pulse jamming countermeasure, thereby the life-span and the reliability of whole lamp body have been improved.Specifically, the utility model is provided with magnetic ring member 34 on circuit board 20, and as shown in Figure 3 mode is twined inductance coil L1~L3 on this magnetic ring member 34, and has improved the efficient of the utility model operating circuit greatly.Turn back to Fig. 2, thermistor element 32 that the utility model is set up again on circuit design and inductance element (not shown) all are sealed in the lamp holder 12.Its operation principle sees also Fig. 7.After the energized,,, after the C2 filtering, arrive the integrating circuit that R2 and capacitor C 4 are formed through capacitor C 1 by resistance R 1 by the electric current after D1~D4 rectification.The utility model adopts identical transistor T1 and the T2 of bipolarity to form higher-order of oscillation switching circuit, is used to export higher-order of oscillation electric current.Transistor T 2 is connected in parallel on the two ends of resistance R 1, and T1 is connected in parallel on the both ends of resistance R 2 and capacitor C 4.After the voltage at capacitor C 4 two ends reached certain value, the bidirectional trigger diode D5 that is connected across the base stage of transistor T1 and 4 one ends of capacitor C was breakdown, triggers the T1 conducting; Electric current is from the negative pole of the rectification circuit emitter through transistor T 1, behind the collector electrode, again by mutual inductor L1, and the inductor 22 and the fluorescent tube 16 of serial connection mutually, gets back to capacitor C 1, and the mid point of C2 arrives the positive pole of rectified current, the operating circuit starter of fluorescent tube at last.When electric current process mutual inductor L1, be formed in transistor T 2 and T1 base stage simultaneously, mutual inductor L2 between emitter and L3 produce mutual induced EMF.Should be at mutual induced EMF that L3 produced because opposite, so make the T1 shutoff with the polarity of voltage of keeping the conducting of T1 pipe.And, can trigger the base stage of transistor T 2 at the mutual induced EMF that L2 produced, make the T2 conducting; So electric current is from the collector electrode of positive pole through T2, emitter, when L1, once more at coil L2, the last generation of L3 mutual induced EMF makes T2 turn-off the T1 conducting; At last by inductor 22, fluorescent tube 16 and arrive C1, the mid point of C2 is got back to the negative pole of power supply.Thereby go round and begin again, T1 and T2 cycle conducting obtain stable operating current on fluorescent tube.In addition, electric capacity 24 becomes series resonant circuit with circuit bank, in the moment of energized, produces a high voltage, guarantees the reliable starter of fluorescent tube.The inductor 22 that the utility model will be connected in series with fluorescent tube 16 is arranged on to be moulded in the housing 14, can adjust the matching value of inductor 22 and 24 the bests of capacitor easily according to the inductance value between L1~L3, makes fluorescent tube obtain stable operating current.
Because the foregoing circuit unit volume is less, for increasing the antijamming capability of circuit, the utility model has been connected in series thermistor 32 and inductance spare 36 respectively in the both sides of the input of rectification circuit.This thermistor 32 presents big resistance when the circuit starter, general resistance can improve the infringement to circuit of anti-high voltage pulse of circuit and reduction starter high voltage pulse between 30~60 Ω; Behind the starter, these thermistor 32 resistances descend, and guarantee the circuit operate as normal.The thermistor that the utility model adopts is through special processing, and the high voltage that moment can bear is more than 600 volts.In addition, inductance spare 36 is used for the interference of anti-radio signal, makes the operating circuit of fluorescent tube can not disturb extraneous circuit.
Can change lamp head of the present utility model, promptly, as shown in Figure 6, be fixed in the known lamp socket by the socket portion 40 of its evagination.Simultaneously, those of ordinary skill in the art should be appreciated that if the utility model cooperates with different lampshades to have safe effect attractive in appearance again, can be in various applications.
In sum, electricity-saving lamp of the present utility model, owing to adopted the transistor of two identical polars in the magnetic ring member control oscillating switch circuit in the circuit design, can make electricity-saving lamp of the present utility model, in the same work period, obtain uniformity current waveform preferably, and strengthened the stability of lamp works.Owing to adopted circuit board is arranged on structure in the lamp holder, realized that light efficiency is the highest in like products, volume minimum, the minimum and longest-lived of temperature rise again.Owing to adopted elevated-temperature seal measure and anti-radio interference and anti-power pulse jamming countermeasure, make and improve product safety performance and serviceability in the limited space to greatest extent simultaneously.In addition, because the coupling of optimizing between circuit element, in having the electricity-saving lamp of identical light efficiency, the utility model electricity-saving lamp has the power minimum.
Should be understood that the one of ordinary skilled in the art can make various suitable changes or distortion under the prerequisite that does not break away from the utility model spirit, but these changes or distortion all should belong to protection range of the present utility model.

Claims (17)

1, a kind of electricity-saving lamp comprises
A plurality of fluorescent tubes that are interconnected;
One lamp holder, suitable with the conventional, well-known lamp socket;
Be provided with the housing of moulding of inductance element and capacity cell in one cavity, include upper casing spare and lower shell, the some holes portion that this upper casing spare has is used for fixing described a plurality of fluorescent tube; And
One control circuit unit of joining with power supply comprises
One rectification circuit;
By first resistance, the integrating circuit that second resistance and a capacitive element are composed in series is attempted by the output of described rectification circuit;
The oscillating switch circuit of forming by first transistor and second transistor, be used to export high-frequency current, wherein said second transistor is connected across the described first resistance two ends, and described first transistor is connected across described second resistance and capacitive element two ends; And
One two-way diac is connected across between the base stage and described integrating circuit of described first transistor, is used to trigger described first transistor, it is characterized in that:
Described control circuit unit is arranged on the inside of described lamp holder, and this control circuit unit also comprises
One magnetic ring member is wound with respectively
First inductance coil is connected on the operating circuit of described fluorescent tube;
Second inductance coil, and same resistance unit is formed in the base stage series loop of described second transistor is used for induct mutual induced EMF and stabilizing circuit when electric current is arranged by described first inductance coil;
The 3rd inductance coil, and same resistance unit is formed in the base stage series loop of described first transistor is used for induct mutual induced EMF and stabilizing circuit when electric current is arranged by described first inductance coil;
The inside envelope of described lamp holder is irritated hot setting sealing glue, is used for described lamp holder and described circuit boards.
2, electricity-saving lamp according to claim 1 is characterized in that: described moulding also is provided with a terminal block in the housing, wherein
Described inductance element by this terminal block, is connected on the operating circuit of described fluorescent tube, is used to adjust the operating current of described fluorescent tube; And
Described capacity cell by this terminal block, is in parallel with described fluorescent tube, is used for becoming series resonant circuit to guarantee the reliable starter of described fluorescent tube with the fluorescent tube circuit bank.
3, electricity-saving lamp according to claim 2 is characterized in that: be arranged on the described circuit element of moulding in the housing and also comprise an inductance element that is in series with fluorescent tube, be used to adjust the lamp works electric current.
4, electricity-saving lamp according to claim 1 is characterized in that: also be provided with a thermistor on the described circuit board, the input that is serially connected in described rectification circuit is distolateral, is used to reduce the infringement that pulse voltage causes circuit.
5, electricity-saving lamp according to claim 1 is characterized in that: also be provided with an inductance element on the described circuit board, the input that is serially connected in described rectification circuit is distolateral, is used to suppress radio interference.
6, circuit unit according to claim 1 is characterized in that: the described first and second transistor polarity are identical.
7, according to claim 2 or 3 described electricity-saving lamps, it is characterized in that: described moulding also is provided with an insulating trip in the housing, be arranged between described hot setting glue and the described terminal block, be used for described capacity cell, inductance element and fluorescent tube and the insulation of described circuit board are isolated.
8, electricity-saving lamp according to claim 1 is characterized in that: described hot setting sealing glue is fixedlyed connected described lower shell with described lamp holder.
9, electricity-saving lamp according to claim 1 is characterized in that: described upper casing spare by the pusher dog that is provided with on it and described lower shell mutually reed connect.
10, according to Claim 8 or 9 described electricity-saving lamps, it is characterized in that: described upper casing spare is arranged to square, and its length of side is 25mm~33mm, and has a plurality of hole portion.
11, electricity-saving lamp according to claim 10 is characterized in that: the length of side of described square upper casing spare is 29mm.
12, according to Claim 8 or 9 described electricity-saving lamps, it is characterized in that: described upper casing spare is arranged to circle, and its diameter is 25mm~35mm, and has a plurality of hole portion.
13, electricity-saving lamp according to claim 2 is characterized in that: the described thickness of moulding shell spare is 25~50mm.
14, electricity-saving lamp according to claim 1 is characterized in that: the outer setting at described fluorescent tube has a lampshade.
15, electricity-saving lamp according to claim 4 is characterized in that: the resistance that described thermistor presents when tube starting is 30 Ω~60 Ω.
16, electricity-saving lamp according to claim 16 is characterized in that: described thermistor can bear more than 600 volts when tube starting.
17, circuit unit according to claim 14 is characterized in that: described thermistor presents resistance 30 Ω~60 Ω after the fluorescent tube operate as normal.
CN 99205983 1999-03-29 1999-03-29 Energy-saving lamp Expired - Fee Related CN2376077Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99205983 CN2376077Y (en) 1999-03-29 1999-03-29 Energy-saving lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99205983 CN2376077Y (en) 1999-03-29 1999-03-29 Energy-saving lamp

Publications (1)

Publication Number Publication Date
CN2376077Y true CN2376077Y (en) 2000-04-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99205983 Expired - Fee Related CN2376077Y (en) 1999-03-29 1999-03-29 Energy-saving lamp

Country Status (1)

Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101630803B (en) * 2009-07-31 2011-09-07 上海西艾爱电子有限公司 Thermosensitive light-operated lamp holder
CN104100856A (en) * 2013-04-12 2014-10-15 中山伟强科技有限公司 Light emitting diode lamp bulb
WO2018041125A1 (en) * 2016-08-31 2018-03-08 Sengled Optoelectronics Co., Ltd Led lamp base and led bulb
CN113613357A (en) * 2021-08-06 2021-11-05 浙江光氧环保科技有限公司 System and method for prolonging service life of quantum lamp

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101630803B (en) * 2009-07-31 2011-09-07 上海西艾爱电子有限公司 Thermosensitive light-operated lamp holder
CN104100856A (en) * 2013-04-12 2014-10-15 中山伟强科技有限公司 Light emitting diode lamp bulb
WO2018041125A1 (en) * 2016-08-31 2018-03-08 Sengled Optoelectronics Co., Ltd Led lamp base and led bulb
CN113613357A (en) * 2021-08-06 2021-11-05 浙江光氧环保科技有限公司 System and method for prolonging service life of quantum lamp
CN113613357B (en) * 2021-08-06 2024-02-20 浙江光氧环保科技有限公司 System and method for prolonging service life of light quantum lamp

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