WO2006006669A1 - リサイクル対応電池パック - Google Patents
リサイクル対応電池パック Download PDFInfo
- Publication number
- WO2006006669A1 WO2006006669A1 PCT/JP2005/013044 JP2005013044W WO2006006669A1 WO 2006006669 A1 WO2006006669 A1 WO 2006006669A1 JP 2005013044 W JP2005013044 W JP 2005013044W WO 2006006669 A1 WO2006006669 A1 WO 2006006669A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- unit
- control unit
- battery pack
- safety control
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a battery pack used by being mounted on an electronic device or the like.
- FIG. 12 and FIG. 13 are a schematic view and a schematic block diagram of such a conventional battery pack 100.
- a battery main body 101 and a safety control unit 102 having an overcurrent detection unit, an overcharge detection unit, a battery temperature detection unit, and the like are integrally sealed with a mold grease.
- the safety control unit 102 is for performing safety control to prevent overcurrent and overcharge.
- the high energy of the battery can be controlled safely, and the electronic device main body 103 can be used safely.
- Patent Document 1 Japanese Patent Laid-Open No. 7-037563
- the existing battery pack integrates the battery body and the safety control unit, the battery pack itself must be replaced when the battery reaches the end of its useful life. Since the safety control unit that can be used is collected as recycling, there is a problem that the safety control unit cannot be easily reused. In addition, there are many parts other than the battery body included in the battery pack, so the efficiency in the work of taking out only the battery body is low.
- the present invention makes it possible to separate the battery unit of the battery pack and the safety control unit, and when it is determined that the battery has reached the end of its life, the battery unit is disconnected and replaced with a new one. Recycling that can restore battery performance with minimal maintenance and replacement parts without disposing of The object is to provide a compatible battery pack.
- the battery pack of the present invention includes a battery unit including a battery body and a safety control unit for preventing overcharging and overcurrent of the battery body, and the battery unit and the safety control unit are mechanically different from each other.
- the two units can be mechanically and electrically coupled and separated.
- the battery unit includes an output control unit that performs output control of the battery main body, the safety control unit includes a coupling detection unit that detects coupling with the battery unit, and the coupling detection unit is coupled to the battery unit. In the case where the battery is detected, a control signal for permitting power supply from the battery body to the outside may be output to the output control unit.
- the output control unit includes an output limiting unit including a switching element and a current limiting element connected in parallel to each other, and the output control unit is connected in series to the power supply path to the outside of the battery main body, and the switching element May be turned off when the two units are separated and turned on by a control signal from the coupling detection unit when the two units are coupled.
- the battery unit described above Since the battery unit described above is in a high impedance state between the terminal part of the battery body and the external terminal of the battery part when not attached, it can be safely stored and operated.
- the coupling detection unit may include an operational amplifier connected to the power supply path via the output control unit when the two units are coupled, and output the output of the operational amplifier as a control signal to the output control unit. Further, the unit constituting the safety control unit may have an opening in which a unit constituting the battery unit is mounted.
- the present invention is a recyclable battery pack comprising a safety control unit having an overcharge prevention function and an overcurrent prevention function as battery performance protection and a mechanism for detaching the battery unit.
- the battery unit can be safely stored and attached to an electronic device.
- the battery unit is configured with the minimum number of parts that can be easily separated and recovered into the battery body and other parts, the number of man-hours for the recovery and disassembly process can be greatly reduced.
- the battery safety control unit can be used semipermanently.
- FIG. 1 is a conceptual diagram of a battery pack according to the present invention.
- FIG. 2 (a) is a perspective view of the battery unit
- FIG. 2 (b) is a perspective view of the battery unit connected to the safety control unit to form a battery pack.
- FIG. 3 Block diagram of the battery pack of the present invention.
- FIG. 5 is a flowchart for explaining the battery unit mounting operation.
- FIG. 6 is a detailed explanatory diagram of the battery part of the battery pack of the present invention.
- FIG. 7 is a diagram showing another embodiment of the battery unit
- FIG. 8 is a view showing still another embodiment of the battery unit.
- FIG. 9 is a view showing still another embodiment of the battery unit.
- FIG. 10 is a rear view of an electronic device incorporating the battery pack of the present invention.
- FIG. 11 is an exploded perspective view of an electronic device incorporating the battery pack of the present invention.
- the battery pack 10 of the present invention includes a battery unit (battery unit) 3 and a safety control unit (safety control unit) that are electrically connected in a detachable state. It consists of six.
- the battery unit 3 is configured to be easily attached and detached from the opening 6d of the safety control unit 6.
- the safety control unit 6 is configured so that it can be used as it is after being disconnected from the battery unit 3 even if the battery unit 3 reaches the end of its life.
- Removable means that the battery unit 3 and the safety control unit 6 can be separated from each other without a tool or using a predetermined tool, and the safety control unit 6 is left as it is or after some repairs and adjustments. It means that it can be reused. Battery part 3 is collected for recycling. Therefore, the battery unit 3 and the safety control unit 6 are configured as mechanically different units, and both units can be mechanically and electrically coupled and separated.
- the battery part 3 can be fixed to the opening 6d in a normal fitting manner as long as the battery part 3 is not easily detached from the opening 6d during use.
- the type of fitting is not particularly limited, and various types can be used.
- the battery unit 3 has a plus terminal 3a, a control terminal 3b, and a minus terminal 3c on its side surface, and when the safety control unit 6 is fitted into the opening 6d, a safety control unit described later is provided.
- a safety control unit described later is provided.
- the external positive terminal 6a2, the external control terminal 6b2, and the external negative terminal 6c2 that are exposed on the outer surface of the battery pack 10 and are electrically connected to the internal positive terminal 6al, internal control terminal 6bl, and internal negative terminal 6cl Directly connected and combined with 9.
- the battery unit 3 includes a battery main body 1 that directly generates voltage / current itself and an output control unit 2 connected to the battery main body 1.
- the battery body 1 is a battery itself, and has a positive electrode terminal and a negative electrode terminal.
- the battery body 1 is composed of any type of power generating element that directly generates voltage and current, but the type and the minimum number of unit units are not limited. In this example, a lithium ion battery with a voltage of 3.6V Use a pond (normal voltage range is 3-4V).
- the output control unit 2 is a part that controls the output of the battery body 1. In other words, a part corresponding to a current control circuit for outputting battery energy as much as possible to the positive terminal and a part corresponding to a current limiting circuit for applying a power supply bias to the coupling detection unit 5 described later are provided. It is a general term for circuits including various kinds of circuits.
- the output control unit 2 includes at least a current limiting element (constant current element) 2a and a bidirectional FET (field effect transistor) switch 2b constituting a switching element.
- the current limiting element 2a and the bidirectional FET switch 2b are connected in parallel to each other to form an output limiting unit 2c, and are connected in series from the battery body 1 to the power supply path (corresponding to the plus terminal 3a) of the battery unit 3.
- the control terminal 3b of the battery unit 3 receives a signal from the coupling detection unit 5 of the safety control unit 6 to be described later, and the voltage from the battery body 1 Is applied to the positive terminal 3a.
- the safety control unit 6 includes an operation detection unit 4, a coupling detection unit 5 connected to the operation detection unit 4, an external positive terminal 6a2, an external control terminal 6b2, and a negative control terminal 6c2. It has a function to prevent overcharging to 1 and overcurrent from the battery body 1 to the external electronic device body 9.
- the safety control unit 6 is formed by integrally sealing the motion detection unit 4 and the coupling detection unit 5 with grease and having an opening 6d that constitutes a receiving unit of the battery unit 3. It is not restricted to the shape of embodiment.
- the opening 6 is not provided in the safety control unit 6, and the battery unit 3 and the safety control unit 6 may be connected like a simple connector.
- the operation detection unit 4 includes an overcurrent detection unit 4a, an overcharge detection unit 4b, and a battery temperature detection unit 4c.
- the overcurrent detection unit 4a detects an overcurrent to the electronic device main body 9, and stops the output from the battery unit 3 when detected.
- the overcharge detection unit 4b detects overcharge of the battery unit 3 during charging, and stops charging when it is detected.
- the battery temperature detection unit 4c detects the temperature of the battery unit 3 as a parameter necessary for charging.
- Each part 4a, 4b, 4c can be configured using various existing circuits, and the type is not limited.
- the coupling detection unit 5 detects whether or not the battery unit 3 is properly coupled and connected to the safety control unit 6 and controls the output of the battery unit 3. That is, in the combined state, The coupling detection unit 5 outputs to the output control unit 2 a control signal that permits voltage marking and power supply from the battery body 1 to the safety control unit 6 as an external device.
- the coupling detection unit 5 can also use various circuits and elements. In this embodiment, an operational amplifier (OP AMP) 5a is used.
- the connecting part 7 includes a positive terminal 3a, a control terminal 3b, a negative terminal 3c on the battery part side, an internal positive terminal 6al, an internal control terminal 6bl, an internal negative terminal 6c on the safety control part side. Consists of 1. Mechanically, it is composed of a side surface of the battery unit 3 and an opening 6 of the safety control unit 6.
- FIG. 3 is a schematic block diagram of the battery pack in the present embodiment.
- the battery unit 3 is provided with an output control unit 2 including a current limiting element (constant current element) 2a in addition to the battery body 1, and is detachable from the safety control unit 6
- the safety detection unit 6 is provided with the coupling detection unit 5 to control the input / output of the battery unit 3.
- the current limiting element 2a an element having a current limiting function such as a normal resistance element can be arbitrarily used, and the type thereof is not particularly limited.
- a constant current element such as a low current diode can be used, and a temperature stabilizing function or the like can be provided if necessary.
- the positive terminal 3a, the control terminal 3b, and the negative terminal 3c of the battery unit 3 made of metal are the internal positive terminal 6al and the internal terminal of the safety control unit, respectively. Connected to the control terminal 6bl and internal negative terminal 6cl with low electrical resistance.
- the coupling detection unit is connected from the battery body 1 of the battery unit 3 via the resistor (current limiting element 2a), the positive terminal 3a, and the internal positive terminal 6a 1.
- 5 op amps (OP) OP
- a voltage is applied to (AMP) 5a. Since the power supply impedance of the operational amplifier 5a is considerably larger than the resistance value of the current limiting element 2a of the output control unit 2, the voltage value of the battery body 1 is directly applied to the power supply of the operational amplifier.
- the negative input terminal of the operational amplifier 5a is set to a reference voltage of about 2V, a voltage of 3-4V, which is almost equal to the voltage of the battery body 1, is applied to the positive terminal of the operational amplifier 5a through a resistor.
- the brass terminal has a high voltage value.
- a voltage (signal) of 3V or more is output from the output of the operational amplifier 5a.
- This value is applied to the gate terminal of FET switch 2b of output control unit 2 of battery unit 3 through internal control terminal 6bl and control terminal 3b, and as a result, between D unit and E unit (source and drain of FET switch 2b)
- the power supply impedance of the battery body 1 becomes low (the FET switch is turned on), and a large current for demonstrating the original performance of the battery body 1 can be supplied to the electronic device body 9 from the positive terminal 3a. That is, the output of the operational amplifier 5a is used as a control signal for permitting power supply from the battery body 1 to the outside.
- the output control unit 2 includes the bidirectional FET switch 2b, a charging operation through the electronic device main body 9 is also possible.
- the battery pack of the present embodiment has the same performance as that of normal operation, and when the battery needs to be replaced, only the battery unit configured with the minimum number of parts is used. It can be exchanged. [0045] Further, when recycling and recycling the battery part, the number of parts is significantly reduced compared to the conventional case, so that the battery body can be easily taken out, and the battery is regenerated at a lower cost. be able to.
- the operational amplifier 5a is used for the coupling detection unit 5
- the internal positive terminal 6a 1 and the internal control terminal 6b 1 are simply connected by a resistor. You can do it.
- the voltage is applied to the gate of the output control unit of the battery unit 3 (the gate of the FET switch 2b). Therefore, the battery output can be supplied to the electronic device with low impedance.
- bonding detection part 5 is realizable with a simple structure.
- a delay circuit and a chattering prevention circuit can be provided in the input stage, and various functions can be provided.
- FIG. 6 is a block diagram of the battery unit 3 of the present invention.
- the gate terminal that controls the output control unit 2 is in the L level state, so there is no positive charge at the gate terminal of the bidirectional FET switch 2b. It is. For this reason, the resistance value between D and E (between the source and drain) of the FET switch 2b is high as a single unit, resulting in an insulating state (the FET switch is off).
- the voltage from the battery body 1 is output to the terminal A. In this case, the voltage is applied through the current path X and is supplied in a state limited to a weak current through the current limiting element 2a such as a resistor. Therefore, it can be safely stored alone.
- two minus terminals 3c are provided at both ends of the battery unit 3, and two control terminals 3b are provided between the plus terminal 3a and the minus terminal 3c.
- the plus terminal 3 a, the control terminal 3 b, and the minus terminal 3 c are provided on the bottom surface of the battery unit 3.
- the shape of the receiving part of the battery part 3 of the safety control part 6 (opening 6d in FIG. 2 (b)) may be changed in accordance with the deformation on the battery part side as described above!
- FIG. 10 shows a state in which the battery pack 10 in which the battery unit 3 and the safety control unit 6 are combined is incorporated in the electronic device main body 9.
- the electronic device is a portable information terminal such as a mobile phone.
- FIG. 11 shows the battery unit 3, the safety control unit 6, and the electronic device main body 9 in an exploded state.
- the battery pack of the present invention only the battery part can be easily and safely attached and detached, and the effective use of the recycled part of the battery used in the power supply part of the electronic device, that is, the object for recycling. Reduce the number of parts in the battery section and remove the battery body from the battery pack. This is useful for reducing the number of work steps to be taken out and improving operational efficiency by reducing the size of the battery unit.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/571,891 US20070275297A1 (en) | 2004-07-14 | 2005-07-14 | Battery Pack Which Can Be Recycled |
| EP05765721A EP1786051A1 (en) | 2004-07-14 | 2005-07-14 | Recyclable battery pack |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004206865A JP2006032039A (ja) | 2004-07-14 | 2004-07-14 | リサイクル対応電池パック |
| JP2004-206865 | 2004-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006006669A1 true WO2006006669A1 (ja) | 2006-01-19 |
Family
ID=35784005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/013044 Ceased WO2006006669A1 (ja) | 2004-07-14 | 2005-07-14 | リサイクル対応電池パック |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20070275297A1 (ja) |
| EP (1) | EP1786051A1 (ja) |
| JP (1) | JP2006032039A (ja) |
| WO (1) | WO2006006669A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008012044A1 (de) | 2008-03-01 | 2009-09-03 | Contitech Antriebssysteme Gmbh | Elastischer Artikel, insbesondere Antriebsriemen, mit einer Folienschutzschicht und Verfahren zu seiner Herstellung |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008027126A (ja) * | 2006-07-20 | 2008-02-07 | Toshiba Battery Co Ltd | 電子チケット |
| US8568915B2 (en) | 2006-08-11 | 2013-10-29 | Johnson Controls—SAFT Power Solutions LLC | Battery with integrally formed terminal |
| US11660971B2 (en) | 2006-11-07 | 2023-05-30 | Clarios Advanced Solutions Llc | System for arranging and coupling battery cells in a battery module |
| CN101627490B (zh) | 2006-12-14 | 2012-10-03 | 江森自控帅福得先进能源动力系统有限责任公司 | 电池模块 |
| EP2179461B1 (en) * | 2007-07-30 | 2016-12-21 | Johnson Controls Advanced Power Solutions LLC | Storage battery arrangement |
| DE102008013188A1 (de) | 2008-03-07 | 2009-09-17 | Johnson Controls Hybrid And Recycling Gmbh | Elektrochemischer Akkumulator und Fahrzeug mit einem elektrochemischen Akkumulator |
| CN102165625B (zh) | 2008-08-14 | 2015-11-25 | 江森自控帅福得先进能源动力系统有限责任公司 | 具有密封的放气室的电池模块 |
| CN103943912B (zh) | 2008-11-12 | 2018-02-27 | 江森自控帅福得先进能源动力系统有限责任公司 | 具有热交换器的电池系统 |
| JP5742096B2 (ja) | 2009-12-29 | 2015-07-01 | ソニー株式会社 | バッテリパック |
| FR2957201B1 (fr) * | 2010-03-05 | 2012-03-30 | Sagem Defense Securite | Ensemble d'un equipement electrique et d'une batterie d'alimentation partageant un circuit oscillant |
| JP6372553B2 (ja) * | 2016-11-30 | 2018-08-15 | ソニー株式会社 | バッテリ |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1154110A (ja) * | 1997-07-31 | 1999-02-26 | N Ii C Mori Energ Kk | 正特性温度素子を備えた電池保護装置 |
| JP2004006302A (ja) * | 2003-04-08 | 2004-01-08 | Sony Corp | バッテリーパック |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050156578A1 (en) * | 2004-01-20 | 2005-07-21 | Mathews Associates, Inc. | System and method for detecting a reversed battery cell in a battery pack |
-
2004
- 2004-07-14 JP JP2004206865A patent/JP2006032039A/ja active Pending
-
2005
- 2005-07-14 US US11/571,891 patent/US20070275297A1/en not_active Abandoned
- 2005-07-14 WO PCT/JP2005/013044 patent/WO2006006669A1/ja not_active Ceased
- 2005-07-14 EP EP05765721A patent/EP1786051A1/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1154110A (ja) * | 1997-07-31 | 1999-02-26 | N Ii C Mori Energ Kk | 正特性温度素子を備えた電池保護装置 |
| JP2004006302A (ja) * | 2003-04-08 | 2004-01-08 | Sony Corp | バッテリーパック |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008012044A1 (de) | 2008-03-01 | 2009-09-03 | Contitech Antriebssysteme Gmbh | Elastischer Artikel, insbesondere Antriebsriemen, mit einer Folienschutzschicht und Verfahren zu seiner Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1786051A1 (en) | 2007-05-16 |
| JP2006032039A (ja) | 2006-02-02 |
| US20070275297A1 (en) | 2007-11-29 |
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