EP1978292B1 - Flashlight with a battery device having plural joined-together batteries - Google Patents

Flashlight with a battery device having plural joined-together batteries Download PDF

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Publication number
EP1978292B1
EP1978292B1 EP07020908A EP07020908A EP1978292B1 EP 1978292 B1 EP1978292 B1 EP 1978292B1 EP 07020908 A EP07020908 A EP 07020908A EP 07020908 A EP07020908 A EP 07020908A EP 1978292 B1 EP1978292 B1 EP 1978292B1
Authority
EP
European Patent Office
Prior art keywords
flashlight
battery device
circuit board
casing
covering part
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP07020908A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1978292A2 (en
EP1978292A3 (en
Inventor
Yunzhao Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 CNA2007101004033A external-priority patent/CN101046277A/zh
Application filed by Individual filed Critical Individual
Publication of EP1978292A2 publication Critical patent/EP1978292A2/en
Publication of EP1978292A3 publication Critical patent/EP1978292A3/en
Application granted granted Critical
Publication of EP1978292B1 publication Critical patent/EP1978292B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00Electric lighting devices with self-contained electric batteries or cells
    • F21L4/08Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
    • F21L4/085Pocket lamps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices

Definitions

  • the present invention relates to a flashlight, more particularly one, which is used with a battery device comprising plural joined-together single-part batteries.
  • Common flashlights include a battery set, a shell, a light emitting member, a tail cap, and a switch.
  • the switch is installed on a middle portion of the shell.
  • the tail cap has a spring secured therein.
  • a positive pole of the battery set, the light emitting member, the switch, and the spring together comprises an electric circuit, and the switch is operable to close/open the electric circuit.
  • Several common chargeable single-part batteries can be positioned in the shell of the flashlight to serve as the power source; to charge such chargeable single-part batteries, first the batteries are taken out of the shell, and positioned on a charger one by one.
  • a flashlight with a battery device having plural joined together batteries is disclosed in EP 0768724 A2 .
  • a flashlight according to an embodiment of the present invention is used with a battery device, which comprises at least two joined-together single-part batteries, and a socket electrically connected with the batteries; after a plug of a charger is inserted in the socket, the batteries will be charged through the charger without the battery device being located on the charger.
  • the flashlight of the present invention includes a shell, a battery device held in the shell, a light emitting member installed on a front end of the shell, and a tail cap to cover a tail end of the shell.
  • the battery device includes a casing, and several single-part batteries held in the casing.
  • the casing comprises two covering parts. Positive and negative poles of the battery device are exposed through front and rear ends of the casing respectively.
  • the battery device further includes a socket on the casing, which is electrically connected with the positive and the negative poles of the battery device.
  • first and second electricity-conducting plates are secured on a tail end of the battery device, and electrically connected with the positive and the negative poles of the battery device respectively.
  • a circuit board is secured in the tail cap; the circuit board has a built-in microcomputer controller to control power to the light emitting member; the circuit board has a switch installed thereon, which sticks out through the tail cap.
  • First and second springs are secured next to the circuit board in the tail cap so as to be in touch with the first and the second electricity-conducting plates at a first end respectively. The first and the second springs being each electrically connected with the microcomputer controller at a second end thereof.
  • the switch is used to switch the microcomputer controller on the circuit board to one of several different modes in order for the microcomputer controller to make the light emitting member shine in a particular manner with a certain brightness; the light emitting member can be turned off, keep on emitting light or flash on and off repeatedly in a certain frequency.
  • the light emitting member can be a bulb or a light emitting diode
  • the tail cap, the first and the second springs are coaxial.
  • the right and the left covering parts of the casing of the battery device can be welded or glued together.
  • the battery device of the flashlight further comprises a protective circuit board, which is secured in the casing for making charging and discharging safe.
  • the batteries will be charged together through a charger after the battery device is taken out of the flashlight, and a plug of the charger is inserted in the socket of the battery device.
  • a preferred embodiment of a flashlight of the present invention includes a tube-shaped shell 1, a battery device 2, a light emitting member (not shown), and a tail cap 3.
  • the battery device 2 is held in the tube-shaped shell 1 while the light emitting member is installed on a front end of the tube-shaped shell 1.
  • the tube-shaped shell 1 has threads on an outer side of a tail end thereof, and the tail cap 3 has threads on an inner side thereof; thus, the tail cap 3 can be securely joined to the tail end of the tube-shaped shell 1 by means of the threads.
  • the tail cap 3 has a rubber covering part 31 sticking our through a hole thereof.
  • the flashlight further includes a first electricity-conducting plate 71, a second electricity-conducting plate 72, and an isolating member 70 interposed between the first and the second electricity-conducting plates 71 and 72.
  • the electricity-conducting plates 71 and 72 with the isolating member 70 are installed on a tail end of the battery device 2.
  • the flashlight further includes a circuit board 4, first and second springs 61 and 62, and a fixing piece 5, which is received in and securely joined to the tail cap 3 so as to fix the rubber covering part 31 in position; the fixing piece 5 has threads on an outer side thereof, which are engaged with the inner threads of the tail cap 3.
  • the circuit board 4 is secured on the fixing piece 5, and has a built-in microcomputer controller (not shown), and it has a switch 41 installed thereon.
  • the first and the second springs 61 and 62 are arranged so as to be coaxial, and securely joined to an inner side of the fixing piece 5, and are each connected with the circuit board 4 at a first end thereof.
  • the circuit board 4 will be pressed against a periphery of the rubber covering part 31 with the switch 41 facing the rubber covering part 31; thus, the rubber covering part 31 is sandwiched and secured between the circuit board 4 and an inner side of the tail cap 3 at a periphery thereof.
  • the switch 41 should be operated by means of pressing the rubber covering part 31.
  • the first and the second springs 61 and 62 will be in touch with the first and the second electricity-conducting plates 71 and 72 respectively at a second end thereof when the tail end of the tube-shaped shell 1 is covered with the tail cap 3. Furthermore, the light emitting member is interposed between and electrically connected with the first electricity-conducting plate 71 and a positive pole of the battery device 2. And, a negative pole of the battery device 2 is electrically connected with the second electricity-conducting plate 72.
  • the switch 41 is used to switch the microcomputer controller on the circuit board 4 to one of several different modes in order for the microcomputer controller to make the light emitting member shine in a particular manner with a certain brightness; the light emitting member can be turned off, keep on emitting light or flash on and off repeatedly in a certain frequency.
  • the user is allowed to keep on pressing the switch 41 for a certain length of time to change the microcomputer controller from one mode to another. Or alternatively, the user can press the switch 41 a certain number of times to change the mode of the microcomputer controller.
  • the light emitting member of the flashlight will emit the most powerful light, powerful light, moderate light, and weak light in sequence repeatedly if the user keeps on pressing the switch 41. And, the light emitting member will stop changing brightness, and start to keep on emitting the same brightness of light instead as soon as the user stops pressing the switch 41. Subsequently, if the user presses the switch 41 one time, the light emitting member will start flashing on and off repeatedly.
  • the flashing frequency of the light emitting member will change from a greater value to a smaller value, and from the low value to the high value repeatedly;
  • the higher flashing frequency is approximately 8 Hz, in which frequency the light of the light emitting member can disturb people's nervous system, capable of protecting the user when the user is under attack.
  • the lower flashing frequency is approximately 1 to 2 Hz, allowing the light of the light emitting member to serve as an SOS signal.
  • the battery device 2 includes a casing, and a battery set.
  • the battery set include a first single-part battery A22, and a second single-part battery A21.
  • the casing comprises a right covering part A11, and a left covering part A12.
  • the left covering part A12 has a separating rib portion A120 in an internal space thereof, which divides the left covering part A12 into an upper holding portion A123 for containing the batteries A22 and A21, and a lower holding portion A124 to contain a socket.
  • the left covering part A12 has guiding rib portions A122 on two sides of an opening thereof.
  • the right covering part A11 has a separating rib portion (not shown) in an internal space thereof like the left covering part A12; the separating rib portion divides the right covering part A11 into an upper holding portion for containing the batteries A22 and AZ1, and a lower holding portion.
  • the right covering part A11 has guiding rib portions A112 on two sides of an opening thereof to be joined to corresponding said guiding rib portions A122 of the left covering part A12.
  • the casing has a first holding room, which is defined by the upper holding portion of the right covering part A11 and the upper holding portion A123 of the left covering part A12, and a second holding room, which is defined by the lower holding portion of the right covering part A11 and the lower holding portion A124 of the left covering part A12.
  • the first and the second batteries A22 and A21 are connected in series to comprise the battery set. And, the battery set are held in the first holding room of the casing, which is defined by the upper holding portion of the right covering part A11 and the upper holding portion A123 of the left covering parts A12.
  • the battery device 2 further includes:
  • a lateral hole can be formed on the left covering part A12 to fact the opening of the socket A 40 instead of the lateral hole A111 of the right covering part A111.
  • the tube-shaped shell 1 of the flashlight has guiding grooves (not shown) on an inner side thereof
  • the battery device 2 is held in the tube-shaped shell 1 of the flashlight with the guiding rib portions of the right and left covering parts of the casing being received in the guiding grooves on the inner side of the tube-shaped shell 1; thus, after the battery device 2 is installed in position, it can't change its orientation relative to the tube-shaped shell 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Battery Mounting, Suspending (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Secondary Cells (AREA)
EP07020908A 2007-04-05 2007-10-25 Flashlight with a battery device having plural joined-together batteries Not-in-force EP1978292B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007101004033A CN101046277A (zh) 2006-10-23 2007-04-05 一种手电筒

Publications (3)

Publication Number Publication Date
EP1978292A2 EP1978292A2 (en) 2008-10-08
EP1978292A3 EP1978292A3 (en) 2008-12-31
EP1978292B1 true EP1978292B1 (en) 2012-05-16

Family

ID=39591701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07020908A Not-in-force EP1978292B1 (en) 2007-04-05 2007-10-25 Flashlight with a battery device having plural joined-together batteries

Country Status (5)

Country Link
EP (1) EP1978292B1 (ja)
JP (1) JP4629721B2 (ja)
AU (1) AU2007237154A1 (ja)
CA (1) CA2612649A1 (ja)
TW (1) TWI317408B (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101796313A (zh) 2007-08-31 2010-08-04 株式会社捷太格特 轴承结构及其制造方法
JP2009079744A (ja) * 2007-09-27 2009-04-16 Jtekt Corp 軸受構造体及びその製造方法
CN201812900U (zh) * 2009-12-16 2011-04-27 刘允钊 携带式充电装置
CN102013467B (zh) * 2010-09-30 2013-01-02 广东正飞移动照明有限公司 一种多极电池供电装置及应用多极电池供电装置的手电筒
US9366400B2 (en) * 2010-11-17 2016-06-14 Guangdong Jetfast Portable Lighting Co., Ltd. Illumination lamp with integrated switch and alarm
CN103604097B (zh) * 2013-09-25 2023-02-03 莱特尔科技(深圳)有限公司 用于led灯具的插拔式控制组件
JP2016042474A (ja) * 2015-10-30 2016-03-31 株式会社ルイファン・ジャパン 棒状ライト
CN112671056B (zh) * 2020-11-20 2024-08-02 安克创新科技股份有限公司 一种充电转接机构及电子装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58182201U (ja) * 1982-05-30 1983-12-05 瀬戸 光一 懐中電灯
JPH0355370U (ja) * 1989-10-04 1991-05-28
US5432689A (en) * 1993-01-13 1995-07-11 Streamlight, Inc. Flashlight and recharging system therefor
US7083300B2 (en) * 2002-09-23 2006-08-01 Streamlight, Inc. Solid state light source, as for a flashlight
US6841941B2 (en) * 2003-01-16 2005-01-11 Surefire, Llc Brightness controllable flashlights
US7220013B2 (en) * 2003-12-19 2007-05-22 Streamlight, Inc. Rechargeable flashlight and battery assembly for single-handed intermittent and continuous operation
TWM254548U (en) * 2004-02-04 2005-01-01 Pentalite Corp Power supply regulator of a flashlight

Also Published As

Publication number Publication date
CA2612649A1 (en) 2008-10-05
TWI317408B (en) 2009-11-21
EP1978292A2 (en) 2008-10-08
JP2008258138A (ja) 2008-10-23
EP1978292A3 (en) 2008-12-31
TW200848652A (en) 2008-12-16
JP4629721B2 (ja) 2011-02-09
AU2007237154A1 (en) 2008-10-23

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