CN201829585U - Detachable battery pack device - Google Patents
Detachable battery pack device Download PDFInfo
- Publication number
- CN201829585U CN201829585U CN2010205483049U CN201020548304U CN201829585U CN 201829585 U CN201829585 U CN 201829585U CN 2010205483049 U CN2010205483049 U CN 2010205483049U CN 201020548304 U CN201020548304 U CN 201020548304U CN 201829585 U CN201829585 U CN 201829585U
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- Prior art keywords
- voltage
- battery pack
- detachable battery
- support
- battery group
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- Expired - Fee Related
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- 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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Abstract
The utility model discloses a detachable battery pack device, which is suitable for an electric bicycle, an electric scooter, an electric automobile, an electric motorcycle, and the like. The detachable battery pack device comprises a casing, wherein a battery pack and a battery management system are arranged in the casing; the battery pack comprises a plurality of unit modules; each unit module comprises a plurality of single batteries; the battery management system comprises a voltage detection device, a current detection device, a temperature detection device and a balancing device; the detachable battery pack device is characterized in that brackets are respectively arranged on two electrodes of each single battery and provided with bayonets; every two single batteries are movably connected by the bayonets; the brackets at one end of each of two adjacent single batteries are fixed by copper sheets and screws; and the battery management system is detected and controlled by adopting a singlechip. The detachable battery pack device is convenient for use, and the cost is reduced, the service life of products is improved and the safety of the battery pack is ensured.
Description
Technical field
The utility model relates to a kind of detachable battery group device, is applicable to electric bicycle, Segway Human Transporter, electric automobile, battery-operated motor cycle etc.
Background technology
The most lead-acid battery group electric supply installations that use of present domestic motor vehicle, there is part to use the lithium ion battery power supply, the production of lead-acid battery and use be contaminated environment very easily, and it is very outstanding to be widely applied to environmental issue in all parts of the country, and that lithium ion battery has is in light weight, volume is little, environmentally safe, so lithium ion battery will be extensive use of.The lithium ion battery that existing motor vehicle uses such as electric bicycle is directly whole power brick such as string and one-tenth 24V, 36V or 60V of a plurality of cells, the at first bad maintenance of this device, if a joint generation problem is arranged, replace the entire cell bag, brought very big cost.Secondly dangerous, when charging because of multiple batteries, indivedual advanced cell voltages surpass battery cutoff voltage in charging normal voltage range, this batteries voltage is more and more higher, cause battery pack blast on fire at last, during its two multiple batteries discharge, when individual cell voltage is lower than discharge cut-off voltage, can cause the battery permanent damage, so battery cost cost and fail safe detect very important.
The utility model content
Technical problem to be solved in the utility model is to overcome deficiency of the prior art and a kind of a kind of detachable battery group device that can dismantle and have safety device arbitrarily is provided, in useful life easy to use, as to have reduced cost, improved product, guaranteed the safety of battery pack.
The technical scheme in the invention for solving the above technical problem is: this detachable battery group device, comprise shell, be provided with battery pack and battery management system in the shell, battery pack comprises a plurality of unit modules, each unit module comprises a plurality of cells, described battery management system comprises voltage check device, current sensing means, temperature-detecting device and balancer, it is characterized in that: described cell the two poles of the earth are provided with support, support is provided with bayonet socket, cell flexibly connects by bayonet socket between any two, the support of adjacent two cell one ends is fixed by copper sheet and screw, adopts single-chip microcomputer to detect and control in the described battery management system.
Support described in the utility model is ABS resin, polypropylene material or makrolon material, and four sides of support are respectively arranged with bayonet socket, flexibly connects by the bayonet socket plug-in mounting between the adjacent stent.
Support described in the utility model is provided with parallel heat radiation through hole.
Heat radiation through-hole diameter described in the utility model is 2mm-15mm.
Voltage check device described in the utility model comprises operational amplifier; connect with operational amplifier in cell back in parallel earlier; import charge or discharge voltage to be detected; export single-chip microcomputer to after amplifying by operational amplifier, single-chip microcomputer with voltage to be measured with over-charge protective voltage or cross to put and protect voltage ratio and judge.
Current sensing means described in the utility model is a Hall element.
Temperature-detecting device described in the utility model is the semiconductor transducer of voltage output type, the operating temperature range of this semiconductor transducer be-40 spend to 125 the degree, operating voltage range be 2.7V to 10V, signal output is directly proportional with temperature, signal magnitude is+the 6.25Mv/ degree.
The utility model compared with prior art has the following advantages: the 14.4V that is provided with a plurality of monomer lithium ion batteries compositions in the enclosure is to the 180V battery pack; after the back in parallel earlier series connection of the positive and negative electrode of every cell of battery pack; by battery management system voltage, the temperature of each cell are monitored; and overcurrent, overvoltage, short circuit etc. are controlled, but safeguard protection when unusual takes place when voltage, electric current, temperature.When voltage is unbalanced, can pass through the voltage of balanced every the cell of mode of energy loss, guarantee the useful life of battery.Battery pack generally comprises 1-16 unit module, each unit module is made up of some dismountable cells, be connected and fixed by copper sheet, screw between the cell, need not to weld again, when arbitrary element cell wherein goes wrong, can only change this element cell and do not need the entire cell bag to change, and easy to operate, bring great convenience to battery maintenance, saved cost greatly.
Description of drawings
Fig. 1 is the utility model circuit control principle schematic diagram.
Fig. 2 is the utility model cell structural representation.
Fig. 3 is the utility model bayonet arrangement schematic diagram.
Fig. 4 is the utility model unit module structural representation.
Embodiment
Referring to Fig. 1, adopt high-performance in the battery management system described in the utility model, the ATmegal6L single-chip microcomputer of low-power consumption is as detecting and the control core, ATmegal6L is based on 8 CMOS microcontrollers of low-power consumption of the AVRSC structure of enhancing, inside has the Flash interior able to programme of 16K byte, 512 byte EEPROM, 1K byte SRAM, 32 I/O mouth lines, 32 general purpose working registers, 3 timer/timers (T/C) with comparison pattern, serial USART able to programme, the USB (universal serial bus) that the initial conditions detector is arranged, 8 the tunnel 10 have the ADC that optional differential input stage programmable-gain (TQFB) encapsulates, and have the programmable watchdog timer of sheet internal oscillator, a SPI serial port, and 6 battery saving modes that can select by software, because its advanced instruction set and single clock cycle time for each instruction, the ATmegal6L data throughput is up to 1MIPS/MHZ, thereby can alleviate the contradiction between system power dissipation and the processing speed.
Power unit step-down, voltage stabilizing obtain 3.3V voltage; for single-chip microcomputer provides operating voltage; stabilized voltage power supply is the single-chip microcomputer important component part; it not only provides multiple power supplies voltage for system; also directly have influence on the technical indicator and the interference free performance of system; the operating voltage of ATmegal6L is 2.7V-5.5V; for guaranteeing that the stable operating voltage of single-chip microcomputer is 3.3V; the voltage stabilizing 25V that partly to be the AC/DC conversion control circuit that is made of MC34063 tell from battery pack is through oversampling circuit step-down, voltage stabilizing; output 3.3V is for protective circuit work.
Charging equalization apparatus: adopt the analog circuit scheme; promptly build overvoltage crowbar in the outside of every joint cell; in the charging process when voltage surpasses predetermined value; protection voltage auto-closing; battery is discharged by resistance loop; can not overcharge with the protection battery, when cell voltage is reduced to the equalizing charge operation voltage, the protective circuit automatic disconnection.
Voltage, current measuring device: voltage to be measured is by integrated operational amplifier LM358, single-chip microcomputer is sent in output to be detected, LM358 inside comprises the dual operational amplifier of 2 independences, high-gain, internal frequency compensation, being suitable for the very wide single supply of supply voltage scope uses and the duplicate supply mode of operation, because its low power consumption current also is suitable for battery.Detect direct current with Hall element UGN-3501M, UGN-3501M is the integrated-type Hall element, adopts differential Hall voltage output, and detection sensitivity is 1.4V/0.1T.
Operational amplifier LM3585 pin connects charging, the discharge voltage of detection, detects through exporting single-chip microcomputer to after amplifying, and overcharges, crosses when putting protection voltage, by Single-chip Controlling disconnection charging and discharging circuit when detecting voltage to be measured.Current detecting is finished by Hall element.
Temperature-detecting device: temperature detection and control module are selected the semiconductor transducer LM60 of voltage output type for use, this transducer is a kind of integrated temperature sensor of having proofreaied and correct, his operating temperature range be-40 spend to 125 the degree, operating voltage range is that 2.7V is to 10V, signal output is directly proportional with temperature, and signal magnitude can reach+the 6.25Mv/ degree.
The 3.3V power supply of partly being exported by voltage stabilizing is the semiconductor transducer circuit supply, through temperature sensor the variations in temperature of sensing point is converted into magnitude of voltage and passes through ADC0, ADC1 output, again ADC0, ADC1 are sent into single-chip microcomputer and detect, when magnitude of voltage reached temperature requirement, the Single-chip Controlling switching tube was disconnected.
Functions of Management System realizes as shown in Figure 1: the extraction voltage line is received in the voltage sample behind the positive and negative electrode series and parallel of every cell of battery pack; when voltage, electric current, temperature in the battery pack take place when unusual; can be with signal being sent in the single-chip microcomputer by voltage sample, current sample, temperature survey; realize control by high power switch again, play a protective role.
Referring to Fig. 2-4, the utility model comprises shell (not seeing on the figure), be provided with battery pack (not seeing on the figure) and battery management system in the shell, battery pack is provided with a plurality of unit modules 1 according to instructions for use, be generally 1-16, each unit module 1 comprises a plurality of cells 2, described cell 2 the two poles of the earth are provided with support 3, four sides are respectively arranged with bayonet socket 7 on the support 3, bayonet socket 7 has two kinds of forms, a kind of is the card article 71 of projection, and another kind is the draw-in groove 72 of depression, card article 71 and draw-in groove 72 couplings.Adjacent cell 2 flexibly connects by bayonet socket 7 plug-in mountings on the support 3 between any two, support is ABS resin, polypropylene material or makrolon material, support is provided with parallel heat radiation through hole 4, and heat radiation through hole 4 diameters are that the bayonet socket 3 of adjacent two cell 2 one ends of 2mm-15mm is fixing by copper sheet 5 and screw 6.
Above content described in this specification only is to the explanation of the utility model structure example.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount the defined scope of these claims, all should belong to protection range of the present utility model.
Claims (7)
1. detachable battery group device, comprise shell, be provided with battery pack and battery management system in the shell, battery pack comprises a plurality of unit modules, each unit module comprises a plurality of cells, described battery management system comprises voltage check device, current sensing means, temperature-detecting device and balancer, it is characterized in that: described cell the two poles of the earth are provided with support, support is provided with bayonet socket, cell flexibly connects by bayonet socket between any two, the support of adjacent two cell one ends is fixed by copper sheet and screw, adopts single-chip microcomputer to detect and control in the described battery management system.
2. detachable battery group device according to claim 1 is characterized in that: described support is ABS resin, polypropylene material or makrolon material, and four sides of support are respectively arranged with bayonet socket, flexibly connects by the bayonet socket plug-in mounting between the adjacent stent.
3. detachable battery group device according to claim 1 and 2 is characterized in that: described support is provided with parallel heat radiation through hole.
4. detachable battery group device according to claim 3 is characterized in that: described heat radiation through-hole diameter is 2mm-15mm.
5. detachable battery group device according to claim 1; it is characterized in that: described voltage check device comprises operational amplifier; connect with operational amplifier in cell back in parallel earlier; import charge or discharge voltage to be detected; export single-chip microcomputer to after amplifying by operational amplifier, single-chip microcomputer with voltage to be measured with over-charge protective voltage or cross to put and protect voltage to compare and judge.
6. detachable battery group device according to claim 1 is characterized in that: described current sensing means is a Hall element.
7. detachable battery group device according to claim 1, it is characterized in that: described temperature-detecting device is the semiconductor transducer of voltage output type, the operating temperature range of this semiconductor transducer be-40 spend to 125 the degree, operating voltage range is that 2.7V is to 10V, signal output is directly proportional with temperature, and signal magnitude is+the 6.25Mv/ degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205483049U CN201829585U (en) | 2010-09-29 | 2010-09-29 | Detachable battery pack device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205483049U CN201829585U (en) | 2010-09-29 | 2010-09-29 | Detachable battery pack device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201829585U true CN201829585U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205483049U Expired - Fee Related CN201829585U (en) | 2010-09-29 | 2010-09-29 | Detachable battery pack device |
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| Country | Link |
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| CN (1) | CN201829585U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103811690A (en) * | 2012-11-12 | 2014-05-21 | 江苏永昌新能源科技有限公司 | Multilayer stacking seven-hole lithium battery support |
| CN104126246A (en) * | 2012-02-20 | 2014-10-29 | 日产自动车株式会社 | Battery pack temperature control structure for electric vehicles |
| ITVE20130055A1 (en) * | 2013-10-18 | 2015-04-19 | Benedetto Mauro Stefano Di | ELECTRIC MOTORCYCLE MOTORCYCLE EQUIPPED WITH PROJECT CHARACTERISTICS TO FACILITATE MAINTENANCE |
| CN104868198A (en) * | 2015-04-29 | 2015-08-26 | 奇瑞汽车股份有限公司 | Lithium battery system capable of replacing lead-acid electric vehicle battery system and manufacturing method thereof |
| CN105723232A (en) * | 2013-11-13 | 2016-06-29 | Sk新技术株式会社 | Detachable voltage sensing module and battery device having same |
| CN107472045A (en) * | 2016-12-22 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Battery bag and vehicle |
| CN108091934A (en) * | 2017-12-14 | 2018-05-29 | 山东星火科学技术研究院 | Utilize the electrolyte used in the new energy Li-ion batteries piles of Internet surveillance |
| CN108110175A (en) * | 2017-12-14 | 2018-06-01 | 山东星火科学技术研究院 | A kind of new energy Li-ion batteries piles using Internet surveillance security |
-
2010
- 2010-09-29 CN CN2010205483049U patent/CN201829585U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104126246A (en) * | 2012-02-20 | 2014-10-29 | 日产自动车株式会社 | Battery pack temperature control structure for electric vehicles |
| CN104126246B (en) * | 2012-02-20 | 2016-06-08 | 日产自动车株式会社 | The accumulator battery temperature regulating structure of electric automobile |
| CN103811690A (en) * | 2012-11-12 | 2014-05-21 | 江苏永昌新能源科技有限公司 | Multilayer stacking seven-hole lithium battery support |
| US20160304151A1 (en) * | 2013-10-18 | 2016-10-20 | Mauro Stefano Di Benedetto | Electric motorcycle equipped with suitable design features for making its maintenance simpler |
| ITVE20130055A1 (en) * | 2013-10-18 | 2015-04-19 | Benedetto Mauro Stefano Di | ELECTRIC MOTORCYCLE MOTORCYCLE EQUIPPED WITH PROJECT CHARACTERISTICS TO FACILITATE MAINTENANCE |
| WO2015056168A1 (en) * | 2013-10-18 | 2015-04-23 | Di Benedetto Mauro Stefano | Electric motorcycle equipped with suitable design features for making its maintenance simpler |
| US9738345B2 (en) * | 2013-10-18 | 2017-08-22 | Mauro Stefano Di Benedetto | Electric motorcycle equipped with suitable design features for making its maintenance simpler |
| CN105723232A (en) * | 2013-11-13 | 2016-06-29 | Sk新技术株式会社 | Detachable voltage sensing module and battery device having same |
| CN105723232B (en) * | 2013-11-13 | 2018-12-11 | Sk新技术株式会社 | Dismountable voltage sensing module and the cell apparatus with the voltage sensing module |
| CN104868198A (en) * | 2015-04-29 | 2015-08-26 | 奇瑞汽车股份有限公司 | Lithium battery system capable of replacing lead-acid electric vehicle battery system and manufacturing method thereof |
| CN107472045A (en) * | 2016-12-22 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Battery bag and vehicle |
| CN108091934A (en) * | 2017-12-14 | 2018-05-29 | 山东星火科学技术研究院 | Utilize the electrolyte used in the new energy Li-ion batteries piles of Internet surveillance |
| CN108110175A (en) * | 2017-12-14 | 2018-06-01 | 山东星火科学技术研究院 | A kind of new energy Li-ion batteries piles using Internet surveillance security |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20130929 |