CN1471192A - Built in charger type lithium ion cell package - Google Patents
Built in charger type lithium ion cell package Download PDFInfo
- Publication number
- CN1471192A CN1471192A CNA031481019A CN03148101A CN1471192A CN 1471192 A CN1471192 A CN 1471192A CN A031481019 A CNA031481019 A CN A031481019A CN 03148101 A CN03148101 A CN 03148101A CN 1471192 A CN1471192 A CN 1471192A
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- Prior art keywords
- lithium ion
- ion battery
- circuit
- connects
- power supply
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- 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.)
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 50
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 11
- 239000011449 brick Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The batteries package relates to power source module for a kind of video camera particular to broadcast television video camera. The main body is ABS plastic case. In the case, there are lithium ion battery, AC/DC power supply socket, indicator light for charged electric quantity as well as micro type modularized functional units including the charging control system and circuit board of lithium ion battery management system. The modules reduces size, lowers cost. 85V-265V AC power supply can be used as charging source, and automatic charging procedure can be completed in 4-5 hours. The package is easy to carry, suitable to field operation and broadcast television area.
Description
Technical field
The present invention relates to a kind of power module of video camera, specifically, relate to a kind of built-in rechargeable battery pack of radio and television video camera.
Background technology
Radio and television video camera (ENG) is in the broadcast television industry extensive use, the power module that these video cameras use, be provided with special-purpose Li-Ion rechargeable battery, during actual the use, need to use external special charger that the Li-Ion rechargeable battery in its module is charged.The price of charger is very high, uses very inconvenient, also uneconomical like this.When particularly the photographer goes out to take, need be with many batteries and charger, carry also pretty troublesome.Lithium ion battery must be with the supporting use of charger, when selecting the ENG battery, need take into full account the performance of battery, too much worry is also arranged: because lithium ion battery is in use, the charger of lithium ion battery special use must be used, otherwise lithium ion battery can be damaged.Therefore, overall cost height, very uneconomical.
Video camera is a kind of exquisiteness and high-grade apparatus for making a video recording, and in order to meet photographer's operational environment requirement, video camera must be accomplished good looking appearance, and is in light weight, multiple functional.Because the body of its video camera is subjected to the restriction of spatial dimension, the volume of power module can not be done too much, can be in effective spatial dimension with charging circuit with the miniature one of electric power loop, this is a key problem in technology of the present invention, also is to solve video camera not with the technical barrier of peripheral hardware charger.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of built-in charger formula lithium ion battery bag, this power brick with circuit modular, has effectively been dwindled taking up room of electric component in limited spatial dimension, the power module of video camera is provided with built-in charging system, do not need to set external charger, reduced the use cost of video camera, volume is little, low in energy consumption, give to carry and brought convenience with use.
Voltage at the country variant different brackets, this video camera has a wide voltage scope of application, when reality is used, as long as plug the attaching plug of video camera, promptly can be directly the Li-Ion rechargeable battery of video camera inside to be charged, this power brick charging interval is short, can control charging process automatically, when charging finishes, cut off the electricity supply automatically, whole charging process is provided with the electric weight indicator light and shows state of charge.
The invention provides following technical scheme: a kind of built-in charger formula lithium ion battery bag, its main body is an ABS plastic shell, plastic casing is interior by the lithium ion battery group of being made up of the multi-section lithium ion rechargeable battery, plastic casing is provided with the AC power input interface, DC power supply output interface and charge capacity indicator light, in the plastic casing of this power brick, also comprise many miniature modular functionality parts, these modular functionality parts are by the micro switch power supply system, modular electrical elements such as charge control system and lithium ion battery management system circuit board are formed.
Described plastic casing is provided with the electric weight sense switch.
Described plastic casing is provided with louvre.
A kind of built-in charger formula lithium ion battery bag, its circuit is by the micro switch power supply system, charge control system, fill the discharge four sections electric quantity display systems, several parts such as battery management system and lithium ion battery group are formed, the lithium ion battery group connects battery management system, the input of micro switch power supply system connects the AC power input interface, the direct current output of micro switch power supply system connects the voltage input end of battery management system via switching tube, the direct current output sampling circuit of micro switch power supply system connects charge control system, the output I/O of charge control system connects the grid of switching tube MOSFET1 by resistance R 5, charge control system has connection to connect battery management system, battery management system connect fill four sections electric quantity display systems of discharge.
Described fill four sections electric quantity display systems of discharge also connect battery management system by the electric weight sense switch.
Described miniature switch power supply system comprises that has the π filter that EMI suppresses circuit, rectifier bridge BR1, switch transformer TB1, critical pieces such as modulator U1, alternating current input power supplying connects the input of rectifier bridge BR1 through filtered signal, the output of rectifier bridge BR1 connects the former limit winding of switch transformer TB1, be connected in parallel to filter capacitor C5 simultaneously, the former limit winding of switch transformer TB1 zero end is by switching tube ground connection, control end of switching tube connects modulating unit U1, the former limit winding of transformer TB1 also is connected in parallel and is useful on the circuit of clamping down on that consumes the leakage inductance electromotive force, secondary winding one end of transformer TB1 is connected with rectifier diode D4, via by resistance R 3, capacitor C 10, C11, behind the filter circuit that inductance L 5 grades are formed, and the drain electrode of connection switching tube MOSFET1, the secondary winding of transformer TB1 zero end is connected with sample resistance R4, the two ends of sample resistance R4 connect charge control system, and the source electrode of switching tube MOSFET1 connects the voltage input end of battery management system.
The described circuit of clamping down on comprises capacitor C 6, resistance R 1, parts such as diode D1, D2, and being connected in parallel behind resistance R 1 and the diode D1 again by capacitor C 6, differential concatenation diode D2 forms.
The described π filter that has EMI inhibition circuit; comprise that four inductance L 1, L2, L3, L4, four capacitor C 1, C2, C3, C4 and transformer T1 form; four inductance and four electric capacity are divided into two groups and connect into two π filters; symmetry is connected the two ends of transformer T1, and alternating current input power supplying is connected the input of π filter via protective circuit RT1.
The present invention possesses following advantage: the use of miniature modular system, make original power module that built-in charging system can be set, in limited spatial dimension, with circuit modular, effectively dwindled taking up room of electric component, built-in charging system, do not need to set external charger, effectively reduced the use cost of video camera, volume is little, low in energy consumption, give to carry and brought convenience with use, this battery is surrounded by a wide voltage scope of application and uses for video camera simultaneously, alternating voltage in 85V～265V scope, can use, this power brick charging interval is short, shorten to 4-5 hour by 8 hour original charging interval, charging process can be controlled automatically, and after charging finished, power supply cut off automatically, whole charging process is provided with the electric weight indicator light and shows state of charge, be provided with the electric weight sense switch simultaneously and can be at any time the electric weight of battery be detected, and show that by the electric weight indicator light this video camera battery bag and video camera are supporting very easy to use, extremely be fit to field work, can be widely used in the camera system of field of broadcast televisions.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present invention;
Fig. 2 is an electrical schematic diagram of the present invention;
Fig. 3 is the cut-away view of plastic casing of the present invention;
Fig. 4 is a stereogram.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of built-in charger formula lithium ion battery bag, its main body is an ABS plastic shell 2, plastic casing 2 is interior by the lithium ion battery group of being made up of the multi-section lithium ion rechargeable battery 6, plastic casing 2 is provided with AC power input interface 1, DC power supply output interface 7 and charge capacity indicator light 3, in the plastic casing 2 of this power brick, also comprise many miniature modular functionality parts, these modular functionality parts are by micro switch power supply system 5, modular electrical elements such as charge control system 4 and lithium ion battery management system circuit board 8 are formed.
This built-in charger formula lithium ion battery bag, its circuit is by the micro switch power supply system, charge control system, fill the discharge four sections electric quantity display systems, several parts such as battery management system and lithium ion battery group are formed, the lithium ion battery group connects battery management system, the input of micro switch power supply system connects the AC power input interface, the direct current output of micro switch power supply system connects the voltage input end of battery management system via switching tube, the direct current output sampling circuit of micro switch power supply system connects charge control system, the output I/O of charge control system connects the grid of switching tube MOSFET1 by resistance R 5, charge control system has connection to connect battery management system, battery management system connect fill four sections electric quantity display systems of discharge.
Fill four sections electric quantity display systems of discharge also connect battery management system by the electric weight sense switch.
Miniature switch power supply system comprises that has the π filter that EMI suppresses circuit, rectifier bridge BR1, switch transformer TB1, critical pieces such as modulator U1, alternating current input power supplying connects the input of rectifier bridge BR1 through filtered signal, the output of rectifier bridge BR1 connects the former limit winding of switch transformer TB1, be connected in parallel to filter capacitor C5 simultaneously, the former limit winding of switch transformer TB1 zero end is by switching tube ground connection, control end of switching tube connects modulating unit U1, the former limit winding of transformer TB1 also is connected in parallel and is useful on the circuit of clamping down on that consumes the leakage inductance electromotive force, secondary winding one end of transformer TB1 is connected with rectifier diode D4, via by resistance R 3, capacitor C 10, C11, behind the filter circuit that inductance L 5 grades are formed, and the drain electrode of connection switching tube MOSFET1, the secondary winding of transformer TB1 zero end is connected with sample resistance R4, the two ends of sample resistance R4 connect charge control system, and the source electrode of switching tube MOSFET1 connects the voltage input end of battery management system.
Clamp down on circuit and comprise capacitor C 6, resistance R 1, parts such as diode D1, D2, being connected in parallel behind resistance R 1 and the diode D1 again by capacitor C 6, differential concatenation diode D2 forms.
Have the π filter that EMI suppresses circuit; comprise that four inductance L 1, L2, L3, L4, four capacitor C 1, C2, C3, C4 and transformer T1 form; four inductance and four electric capacity are divided into two groups and connect into two π filters; symmetry is connected the two ends of transformer T1, and alternating current input power supplying is connected the input of π filter via protective circuit RT1.
Its circuit working principle can be explained: alternating current connects appropriate by attaching plug and micro Switching Power Supply, the micro Switching Power Supply is exported the direct voltage of constant voltage or constant current after the charge control system modulation treatment, direct voltage charges to the lithium ion battery group through battery management system.Charging by lithium ion battery group output signal, feeds back to charge control system after finishing, and is shut down by the micro switch power supply system by the charge control system output order in the back.When discharging and recharging, lithium ion battery is accepted the monitoring of battery management system all the time, again the signal of telecommunication is exported to simultaneously four sections electric weight indication mechanisms of charge and discharge, indication mechanism can be with the electric quantity data of charge and discharge by the light-emitting diode on the battery-pack exterior casing, the state when showing the charge and discharge of lithium ion battery group in real time and capacity information etc.In use, the lithium ion battery group is docked with video camera or other power consumption equipments, just begin discharge, discharge finishes, and the automatic cut-off of lithium ion battery group is turn-offed the output of battery pack by battery management system.
The circuit working principle is as follows: as shown in Figure 2, form the π filter that EMI suppresses circuit by C1, L1, L2, C2, T1, C3, L3, L4, C4 etc., AC power to BR1 rectification full-bridge rectification, is exported to the C5 shaping via the π filter.Promote to give switch transformer TB1 by the U1 modulation; Because TB1 is difficult to avoid the problem of leakage inductance when coiling, so C1, R1, D1, D2 form the clamper basic circuit, when U1 stopped output for the TB1 winding to promote, TB1 consumed leakage inductance by clamp circuit.
TB3 produces voltage through the TB1 induction, through Schottky diode D4 rectification output, forms active filter circuit through C11, L5, C10 etc., suppresses the AC mutual induction ripple effect by L5; A single-chip microcomputer U4 takes a sample from the sample resistance two ends of R4 by 2,3 pin of U3, is transferred to U3 after the U4 data processing, and U3 accepts the instruction of U4, controls charging current and voltage.
DC power supply after the processing is exported to Li-on manager U5 and is given lithium ion cell charging by MOSFET1, and MOSFET1 is by the 11 pin I/O mouths control Push And Release of U4, and string and number according to lithium ion battery calculate closed condition and open state.
U6 is the residual amount indicating circuit of battery, and the real-time monitoring by to when charging U5 is divided into four sections demonstrations with electric weight; Equally, when charged state not, can monitor the electric weight of power brick by the closure of electric weight sense switch SW1.
Above circuit has been formed built-in charger formula lithium ion battery thus in lithium ion battery is combined in the plastic casing in 168 * 116 * 50mm space.
This power brick with circuit modular, has been used a plurality of modular systems, effectively reduced taking up room of electric component, with the miniature modular power source inside of arriving of charging circuit, make the power module of video camera not re-use the external charge device, directly use alternating current can reach the purpose of charging.
Claims (8)
1. built-in charger formula lithium ion battery bag, its main body is an ABS plastic shell, plastic casing is interior by the lithium ion battery group of being made up of the multi-section lithium ion rechargeable battery, plastic casing is provided with AC power input interface, DC power supply output interface and charge capacity indicator light, it is characterized in that: in the plastic casing of this power brick, also comprise many miniature modular functionality parts, these modular functionality parts are made up of modular electrical elements such as micro switch power supply system, charge control system and lithium ion battery management system circuit boards.
2. lithium ion battery bag according to claim 1 is characterized in that: described plastic casing is provided with the electric weight sense switch.
3. lithium ion battery bag according to claim 1 is characterized in that: described plastic casing is provided with louvre.
4. lithium ion battery bag according to claim 1, it is characterized in that: a kind of built-in charger formula lithium ion battery bag, its circuit is by the micro switch power supply system, charge control system, fill the discharge four sections electric quantity display systems, several parts such as battery management system and lithium ion battery group are formed, the lithium ion battery group connects battery management system, the input of micro switch power supply system connects the AC power input interface, the direct current output of micro switch power supply system connects the voltage input end of battery management system via switching tube, the direct current output sampling circuit of micro switch power supply system connects charge control system, the output of charge control system (I/O) connects the grid of switching tube (MOSFET1) by resistance (R5), charge control system has connection to connect battery management system, battery management system connect fill four sections electric quantity display systems of discharge.
5. lithium ion battery bag according to claim 4 is characterized in that: described fill four sections electric quantity display systems of discharge also connect battery management system by the electric weight sense switch.
6. lithium ion battery bag according to claim 4, it is characterized in that: described miniature switch power supply system comprises that has the π filter that EMI suppresses circuit, rectifier bridge (BR1), switch transformer (TB1), modulator critical pieces such as (U1), alternating current input power supplying connects the input of rectifier bridge (BR1) through filtered signal, the output of rectifier bridge (BR1) connects the former limit winding of switch transformer (TB1), be connected in parallel to filter capacitor (C5) simultaneously, the former limit winding of switch transformation (TB1) zero end is by switching tube ground connection, control end of switching tube connects modulating unit (U1), the former limit winding of transformer (TB1) also is connected in parallel and is useful on the circuit of clamping down on that consumes the leakage inductance electromotive force, secondary winding one end of transformer (TB1) is connected with rectifier diode (D4), via by resistance (R3), electric capacity (C10, C11), behind the filter circuit that inductance (L5) etc. are formed, and the drain electrode of connection switching tube (MOSFET1), the secondary winding of transformer (TB1) zero end is connected with sample resistance (R4), the two ends of sample resistance (R4) connect charge control system, and the source electrode of switching tube (MOSFET1) connects the voltage input end of battery management system.
7. lithium ion battery bag according to claim 6, it is characterized in that: the described circuit of clamping down on comprises electric capacity (C6), resistance (R1), diode parts such as (D1, D2), is made up of electric capacity (C6) the differential concatenation diode (D2) that is connected in parallel behind resistance (R1) and the diode (D1) again.
8. lithium ion battery bag according to claim 6; it is characterized in that: the described EMI of having suppresses the π filter of circuit; comprise four inductance (L1, L2, L3, L4), four electric capacity (C1, C2, C3, C4) and a transformer (T1) composition; four inductance and four electric capacity are divided into two groups and connect into two π filters; symmetry is connected the two ends of transformer (T1), and alternating current input power supplying is connected the input of π filter via protective circuit (RT1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031481019A CN1471192A (en) | 2003-06-26 | 2003-06-26 | Built in charger type lithium ion cell package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031481019A CN1471192A (en) | 2003-06-26 | 2003-06-26 | Built in charger type lithium ion cell package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1471192A true CN1471192A (en) | 2004-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031481019A Pending CN1471192A (en) | 2003-06-26 | 2003-06-26 | Built in charger type lithium ion cell package |
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| Country | Link |
|---|---|
| CN (1) | CN1471192A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006125374A1 (en) * | 2005-05-13 | 2006-11-30 | Tai Li An | An energy storage mobile charging adapter |
| US7973515B2 (en) | 2007-03-07 | 2011-07-05 | O2Micro, Inc | Power management systems with controllable adapter output |
| CN101442257B (en) * | 2007-11-21 | 2011-12-21 | 凹凸电子（武汉）有限公司 | Electric system and method for controlling electric element |
| US8111038B2 (en) | 2008-06-12 | 2012-02-07 | O2 Micro, Inc | Vehicle electronic systems with battery management functions |
| US8222870B2 (en) | 2007-03-07 | 2012-07-17 | O2Micro, Inc | Battery management systems with adjustable charging current |
| CN103390917A (en) * | 2013-07-14 | 2013-11-13 | 鸥瑞智诺能源科技(北京)有限公司 | Built-in charging management type battery pack |
| CN104756356A (en) * | 2013-07-18 | 2015-07-01 | 联发科技股份有限公司 | Method, charger device, and adaptor capable of maximum output power point tracking |
| CN104993092A (en) * | 2015-06-12 | 2015-10-21 | 福建南平南孚电池有限公司 | Secondary electrochemical cell sealing body provided with charge lamp |
| WO2015157902A1 (en) * | 2014-04-15 | 2015-10-22 | 袁志贤 | High-capacity battery |
| CN112803085A (en) * | 2021-04-13 | 2021-05-14 | 珠海朗尔电气有限公司 | Intelligent battery |
| CN114089201A (en) * | 2021-11-29 | 2022-02-25 | 同济大学 | Lithium ion battery internal state measuring system |
| TWI837680B (en) * | 2021-07-19 | 2024-04-01 | 孕龍科技股份有限公司 | Rechargeable battery |
-
2003
- 2003-06-26 CN CNA031481019A patent/CN1471192A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006125374A1 (en) * | 2005-05-13 | 2006-11-30 | Tai Li An | An energy storage mobile charging adapter |
| US7973515B2 (en) | 2007-03-07 | 2011-07-05 | O2Micro, Inc | Power management systems with controllable adapter output |
| US8222870B2 (en) | 2007-03-07 | 2012-07-17 | O2Micro, Inc | Battery management systems with adjustable charging current |
| CN101442257B (en) * | 2007-11-21 | 2011-12-21 | 凹凸电子（武汉）有限公司 | Electric system and method for controlling electric element |
| US8111038B2 (en) | 2008-06-12 | 2012-02-07 | O2 Micro, Inc | Vehicle electronic systems with battery management functions |
| CN103390917A (en) * | 2013-07-14 | 2013-11-13 | 鸥瑞智诺能源科技(北京)有限公司 | Built-in charging management type battery pack |
| CN104756356A (en) * | 2013-07-18 | 2015-07-01 | 联发科技股份有限公司 | Method, charger device, and adaptor capable of maximum output power point tracking |
| WO2015157902A1 (en) * | 2014-04-15 | 2015-10-22 | 袁志贤 | High-capacity battery |
| CN104993092A (en) * | 2015-06-12 | 2015-10-21 | 福建南平南孚电池有限公司 | Secondary electrochemical cell sealing body provided with charge lamp |
| CN112803085A (en) * | 2021-04-13 | 2021-05-14 | 珠海朗尔电气有限公司 | Intelligent battery |
| TWI837680B (en) * | 2021-07-19 | 2024-04-01 | 孕龍科技股份有限公司 | Rechargeable battery |
| CN114089201A (en) * | 2021-11-29 | 2022-02-25 | 同济大学 | Lithium ion battery internal state measuring system |
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