CN204651429U - Storage battery series connection charge/discharge device - Google Patents
Storage battery series connection charge/discharge device Download PDFInfo
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- CN204651429U CN204651429U CN201520363868.8U CN201520363868U CN204651429U CN 204651429 U CN204651429 U CN 204651429U CN 201520363868 U CN201520363868 U CN 201520363868U CN 204651429 U CN204651429 U CN 204651429U
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- storage battery
- battery
- series connection
- clamping part
- clamp
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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
Abstract
The utility model discloses a kind of storage battery series connection charge/discharge device.This device comprises battery clamp and supervising device; Be provided with two or more storage battery clamping part in battery clamp, and two or more storage battery clamping part is electrically connected in series successively; Each battery clamping part is provided with positive outside wire and negative outside wire; Positive outside wire and the negative outside wire of each battery clamping part are all electrically connected with supervising device; Supervising device is used for monitoring the voltage of the storage battery in each storage battery clamping part; And battery clamp is provided with anode connection terminal and negative pole link, anode connection terminal and negative pole link are for being connected charging device or discharge equipment.It, by charging after the series connection of multiple storage battery, only need control a charging device in charging process, and whole control section structure and controlling functions are all and simply.And be convenient to higher Voltage Feedback telegram in reply net.
Description
Technical field
The utility model relates to that storage battery is aging, partial volume technical field, particularly relates to a kind of storage battery series connection charge/discharge device.
Background technology
Cell needed ageing cycle to reach rated capacity and stable operating state before composition battery pack, after circulation, was referred to as " aging ".Carry out capacity after aging again to demarcate and conformity classification can use in groups.Cell batteries due to its voltage low, capacity is little, therefore existing cell batteries discharge and recharge aging equipment be all multiple passage configuration, each discharge and recharge passage has completely independently constant voltage supply, has loop of one's own and is independent of each other.During charging, outside civil power realizes first time step-down by one-level AC/DC inverter, and then realizes further step-down by secondary DC/DC converter, to realize charging to the cell batteries of each passage.During electric discharge, each passage accesses corresponding electronic load respectively, and battery power is converted into load heat energy.
From description above, when carrying out burin-in process to cell batteries in conventional art, need to carry out independent control to each passage, control circuit and control software design are very complicated.And directly by energy resource consumption during the electric discharge of storage battery, cause energy waste.
Utility model content
Based on this, be necessary the complicated and problem that energy waste is serious of ageing cycle process control for cell batteries in conventional art, provide one to be convenient to energy conversion, and storage battery charge/discharge process control simple storage battery series connection charge/discharge device.
For realizing a kind of storage battery series connection charge/discharge device that the utility model object provides, comprise battery clamp and supervising device;
Be provided with two or more storage battery clamping part in described battery clamp, and described two or more storage battery clamping part is electrically connected in series successively;
Each described battery clamping part is provided with positive outside wire and negative outside wire;
Described positive outside wire and the described negative outside wire of each described battery clamping part are all electrically connected with described supervising device;
Described supervising device is used for monitoring the voltage of the storage battery in each described storage battery clamping part; And
Described battery clamp is provided with anode connection terminal and negative pole link, and described anode connection terminal and negative pole link are for being connected charging device or discharge equipment.
As a kind of embodiment of storage battery series connection charge/discharge device, described anode connection terminal and negative pole link are connected the two ends of the battery pack in described battery clamp after all storage battery series connection respectively.
As a kind of embodiment of storage battery series connection charge/discharge device, the quantity of described anode connection terminal and described negative pole link is all 2.
As a kind of embodiment of storage battery series connection charge/discharge device, the accommodation space size of each described storage battery clamping part is adjustable.
As a kind of embodiment of storage battery series connection charge/discharge device, between adjacent two described storage battery clamping parts, be provided with spring, by the compression of described spring or the accommodation space size of the described storage battery clamping part of stretching, extension adjustment.
As a kind of embodiment of storage battery series connection charge/discharge device, also comprise the equalizer for bypass electric discharge, each described battery clamping part is all electrically connected with described equalizer, and described equalizer is electrically connected with described supervising device, by the control of described supervising device.
As a kind of embodiment of storage battery series connection charge/discharge device, described charging device is charger, described charger is electrically connected with described battery clamp, be applicable to charge to the storage battery in described battery clamp, and described charger is electrically connected with described supervising device, by the control of described supervising device.
As a kind of embodiment of storage battery series connection charge/discharge device, also comprise inverter, described inverter is electrically connected with described battery clamp, the battery pack be applicable to the storage battery of series connection mutually in described battery clamp is formed is connected with electrical network, storage battery in described battery clamp is discharged, and described inverter is electrically connected with described supervising device, by the control of described supervising device.
As a kind of embodiment of storage battery series connection charge/discharge device, also comprise housing, described battery clamp and described supervising device are all arranged on described enclosure interior.
As a kind of embodiment of storage battery series connection charge/discharge device, described storage battery is cell batteries.
The beneficial effects of the utility model comprise: a kind of storage battery series connection charge/discharge device that the utility model provides, by charging after multiple storage battery series connection, therefore in charging process, only need control a charging device, whole control section structure and controlling functions are all and simply.And supervising device monitors the voltage condition of each storage battery, therefore, accomplished again the object taking into account each storage battery special circumstances, can not overcharging to certain storage battery have been caused.And device of the present utility model in discharge process be by series connection after battery pack in voltage draw discharge, it is high that it carries out discharge voltage than single storage battery, therefore, the electric energy in battery pack is easily directly incorporated in electrical network by connecting DC/AC inverter by it.As connect in battery clamp the lithium ion battery of 10 3.6V time, can directly by one-level DC/AC inverter, electric energy be incorporated in 220V alternating current, this technology comparatively maturation.And inverter can accomplish lower cost and higher efficiency.
Accompanying drawing explanation
Fig. 1 is the system configuration schematic diagram of a specific embodiment of a kind of storage battery series connection of the utility model charge/discharge device;
Fig. 2 is the system configuration schematic diagram of another specific embodiment of a kind of storage battery series connection of the utility model charge/discharge device;
Fig. 3 is the system configuration schematic diagram of a specific embodiment again of a kind of storage battery series connection of the utility model charge/discharge device;
Fig. 4 is the system configuration schematic diagram of the another specific embodiment of a kind of storage battery of the utility model series connection charge/discharge device.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, be described below in conjunction with the embodiment of accompanying drawing to storage battery series connection charge/discharge device of the present utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The storage battery series connection charge/discharge device of the utility model one embodiment, as shown in Figure 1, comprises battery clamp 100 and supervising device 200.Battery clamp is for clamping multiple storage battery.Wherein, described storage battery can be cell batteries.Concrete, in order to clamp storage battery, in battery clamp, be provided with two or more storage battery clamping part 110, and two or more storage battery clamping part is electrically connected in series successively.Each storage battery clamping part is for clamping a storage battery or cell batteries.Storage battery is put into after in storage battery clamping part, due to the series relationship between storage battery clamping, form between multiple storage battery adjacent one another are and be connected in series, form the battery pack that the voltage after a series connection is larger.And each battery clamping part is provided with positive outside wire and negative outside wire.Be appreciated that general positive outside wire and negative outside wire divide to be located at battery terminal and to hold relative two ends, portion.Under normal circumstances when installing storage battery, the positive pole of storage battery being placed on one end that described battery clamping part is provided with positive outside wire, the negative pole of storage battery being arranged on one end that described battery clamping part is provided with negative outside wire.And the positive outside wire of each battery clamping part and negative outside wire are all electrically connected with supervising device.Thus supervising device can monitor the storage battery voltage condition at any time in each storage battery clamping part.And can control charge/discharge according to the voltage of monitored each storage battery.
In addition, in order to carry out charge/discharge to all storage batterys after series connection in battery clamp simultaneously, battery clamp is provided with anode connection terminal 120 and negative pole link 130, and anode connection terminal and negative pole link are for being connected charging device or discharge equipment.
It should be noted that, charging and discharging process is generally separately carried out herein.Do not carry out discharge process when namely the storage battery in battery clamp being charged, and do not charge while the electric energy in the storage battery in the battery clamp after charging complete is discharged.Therefore, described anode connection terminal and described negative pole link can arrange one respectively at the two ends of battery clamp.And connection charging device charges when needs, connect discharge equipment when needs electric discharge and discharge.
Certainly, in other embodiments, also two anode connection terminal and two negative pole links can be set on battery clamp respectively.Wherein the anode connection terminal of a group and negative pole link are specifically designed to connection charging device, and another group anode connection terminal and negative pole link are specifically designed to connection discharge equipment.And often to organize between anode connection terminal and negative pole link be all the storage battery being connected to all mutual series connection in battery clamp, namely, the words of the battery pack in series of all storage batterys in battery clamp, described anode connection terminal connects the positive pole of described battery pack, and described negative pole link connects the negative pole of described battery pack.
As shown in Figure 1, in battery clamp, the quantity of storage battery clamping part can be set to N number of according to demand, and N is more than or equal to 2.Because the application of battery pack mostly is more than 36V, for lithium ion battery, if single-unit voltage is 3.6V, and the minimum voltage of system works is 36V, and namely system power supply is 10 string lithium ion batteries.Due to the technique that inverter operating efficiency problem during electric discharge and battery screen in groups, can by the quantity of storage battery clamping part location 100, now the maximum of voltage is 420V.
Storage battery of the present utility model series connection charge/discharge device, by charging after multiple storage battery series connection, therefore only need control a charging device in charging process, and whole control section structure and controlling functions are all and simply.And supervising device monitors the voltage condition of each storage battery, therefore, accomplish again the object taking into account each storage battery special circumstances (voltage swing of different storage batterys and capacity have certain difference), can not overcharging to certain storage battery have been caused.And device of the present utility model in discharge process be by series connection after battery pack in voltage draw discharge, it is high that it carries out discharge voltage than single storage battery, therefore, the electric energy in battery pack is easily directly incorporated in electrical network by connecting DC/AC inverter by it.As connect in battery clamp the lithium ion battery of 10 3.6V time, can directly by one-level DC/AC inverter, electric energy be incorporated in 220V alternating current, this technology comparatively maturation.And inverter can accomplish lower cost and higher efficiency.
Battery clamp major function in the utility model is stationary stroage battery monomer, realizes serial battery.Preferably, in order to adapt to the storage battery of various difformity and specification, the accommodation space size of each storage battery clamping part in battery clamp is adjustable.Wherein, described accommodation space is the space in Fig. 1 between positive limit system point 001 and negative pole restriction point 002.
Concrete, in device setting up procedure, can wider by the horizontally set of storage battery accommodation space, most storage battery width can be adapted to.And spring is provided with between adjacent two storage battery clamping parts, by the compression of spring or the size stretching the accommodation space length direction (between accumulator anode and cathode) regulating storage battery clamping part, thus enable accommodation space place multiple storage battery, namely the storage battery series connection charge/discharge device of the utility model embodiment can carry out burin-in process to multiple storage battery.Certainly also can simultaneously by variety classes, the storage battery that capacity is similar to is cascaded and carries out cell degradation process.
More preferably, wherein in an embodiment, as shown in Figure 2, the equalizer 300 for bypass electric discharge is also comprised.Equalizer is arranged between battery and charging device, is provided with the multichannel controllable electronic load identical with storage battery serial number.Each battery clamping part is all electrically connected with equalizer 300.Thus make a passage in the corresponding equalizer of the storage battery in each battery clamping part, thus when can reach constant pressure control point at corresponding charge in batteries, by equalizer, bypass electric discharge is carried out to it, thus continue to fill other storage batterys, namely the battery capacity in parallel with equalizer is run in charging less than normal, the situation that voltage is higher, can control it and carry out bypass electric discharge to extend its comparatively faster charging process with a constant small area analysis, and the energy of this process losses can accurate measurement thus calculate this battery capacity.Same equalizer is also electrically connected with supervising device, the control of monitored device.As shown in Figure 2, the positive lead of another storage battery that storage battery clamping part negative lead of being connected to supervising device 200 is adjacent with it can use the same line.
Below for 36V battery system, the charging process of storage battery is described.Lithium ion battery to be measured in this system is totally 10 strings (individual), and monomer capacity is 5AH.As shown in Figure 3, in battery clamp, comprise 10 groups of contacts, respectively corresponding battery 1 to 10.Positive lead and the negative lead of the rear each storage battery clamping part of series connection are all connected to supervising device 100, and supervising device is sampled as shown in Table 1 (unit: V) to the battery strings voltage after series connection, and each storage battery is zero capacity.
Table one
Sampled rear startup charging device to series battery charge, if the constant 2.5A of charging current, supervising device 200 monitoring cell voltage in real time in process.Charge after 120 minutes, charging voltage as shown in Table 2.
Table two
Now, because the voltage of battery 2 has reached constant pressure control point 4.2V, so this passage of equalizer 300 is opened, equalizer is set to and carries out bypass electric discharge with 0.5A constant current to battery 2, the charging current simultaneously adjusting charging device is to 0.5A and keep, battery 2 voltage is no longer raised, and measures battery 2 bypass discharge time.
By that analogy, when other batteries reach constant pressure control point 4.2V arbitrarily, all start passage corresponding in equalizer 300 and carry out bypass electric discharge and Dose times, until every batteries reaches 4.2V.Now every batteries charging capacity can be calculated as 2.5A and 0.5A duration capacity sum separately, specifically as shown in Table 3.
Table three
Equally, during electric discharge, also use multichannel supervising device to monitor the voltage of each cell batteries, once have certain cell batteries to reach discharge cut-off voltage in the battery pack of series connection, then control whole battery pack and stop electric discharge.
Aforesaid way is adopted to carry out circulation to 10 lithium ion batteries be placed in battery clamp aging, until proceed to equipment in parallel after capacity stablizes to carry out partial volume.
Can find out thus, storage battery series connection charge/discharge device of the present utility model, under the condition not using partial volume equipment in parallel, also cubic content measurement can be carried out to each single storage battery of unbalanced battery pack, and the ageing step of battery testing was separated with the sorting stage, make the ageing link partial volume equipment that no longer cost of possession is high, reduce equipment investment cost, enhance productivity.
Wherein, the charging device charged to the storage battery in battery clamp can be charger, and charger is electrically connected with battery clamp, is applicable to carry out constant current charge to the storage battery in battery clamp or other modes are charged.And charger is electrically connected with supervising device, the control of monitored device, concrete control procedure can see the charging process of aforesaid 36V system voltage.In addition, the minimum of charger can also be set with maximum charging voltage to limit the quantity of the storage battery can connected in minimum and maximum battery clamp.
In another embodiment, as shown in Figure 4, also comprise inverter, be specially DC/AC inverter 400.Inverter is electrically connected with battery clamp, and the battery pack be applicable to the storage battery of series connection mutually in battery clamp is formed is connected with electrical network, discharge, and inverter is electrically connected with supervising device, the control of monitored device to the storage battery in battery clamp.So by the energy back in storage battery ageing process to electrical network, energy waste can be avoided.
And aforesaid each parts such as battery clamp, supervising device, charger, equalizer and inverter all can be arranged on the enclosure interior of standard cabinet.By housing, inner member is protected.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a storage battery series connection charge/discharge device, is characterized in that, comprise battery clamp and supervising device;
Be provided with two or more storage battery clamping part in described battery clamp, and described two or more storage battery clamping part is electrically connected in series successively;
Each described battery clamping part is provided with positive outside wire and negative outside wire;
Described positive outside wire and the described negative outside wire of each described battery clamping part are all electrically connected with described supervising device;
Described supervising device is used for monitoring the voltage of the storage battery in each described storage battery clamping part; And
Described battery clamp is provided with anode connection terminal and negative pole link, and described anode connection terminal and negative pole link are for being connected charging device or discharge equipment.
2. storage battery series connection charge/discharge device according to claim 1, it is characterized in that, described anode connection terminal and negative pole link are connected the two ends of the battery pack in described battery clamp after all storage battery series connection respectively.
3. storage battery series connection charge/discharge device according to claim 1, it is characterized in that, the quantity of described anode connection terminal and described negative pole link is all 2.
4. storage battery series connection charge/discharge device according to claim 1, it is characterized in that, the size of the accommodation space of each described storage battery clamping part is adjustable.
5. storage battery according to claim 4 series connection charge/discharge device, is characterized in that, be provided with spring between adjacent two described storage battery clamping parts, by the compression of described spring or the size stretching the accommodation space regulating described storage battery clamping part.
6. storage battery series connection charge/discharge device according to claim 1, it is characterized in that, also comprise the equalizer for bypass electric discharge, each described battery clamping part is all electrically connected with described equalizer, and described equalizer is electrically connected with described supervising device, by the control of described supervising device.
7. storage battery series connection charge/discharge device according to claim 1, it is characterized in that, described charging device is charger, described charger is electrically connected with described battery clamp, be applicable to charge to the storage battery in described battery clamp, and described charger is electrically connected with described supervising device, by the control of described supervising device.
8. storage battery series connection charge/discharge device according to claim 1, it is characterized in that, also comprise inverter, described inverter is electrically connected with described battery clamp, the battery pack be applicable to the storage battery of series connection mutually in described battery clamp is formed is connected with electrical network, storage battery in described battery clamp is discharged, and described inverter is electrically connected with described supervising device, by the control of described supervising device.
9. the storage battery series connection charge/discharge device according to any one of claim 1 to 8, it is characterized in that, also comprise housing, described battery clamp and described supervising device are all arranged on described enclosure interior.
10. the storage battery series connection charge/discharge device according to any one of claim 1 to 8, it is characterized in that, described storage battery is cell batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520363868.8U CN204651429U (en) | 2015-05-29 | 2015-05-29 | Storage battery series connection charge/discharge device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520363868.8U CN204651429U (en) | 2015-05-29 | 2015-05-29 | Storage battery series connection charge/discharge device |
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| CN204651429U true CN204651429U (en) | 2015-09-16 |
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| CN201520363868.8U Expired - Fee Related CN204651429U (en) | 2015-05-29 | 2015-05-29 | Storage battery series connection charge/discharge device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632530A (en) * | 2019-10-21 | 2019-12-31 | 胡红秀 | Voltage detection equipment for new energy battery maintenance |
| CN111082486A (en) * | 2019-12-23 | 2020-04-28 | 东莞华厦自动化科技有限公司 | Conductive device and battery cell clamp |
| CN113125972A (en) * | 2021-03-26 | 2021-07-16 | 宁波倍特瑞能源科技有限公司 | Quick testing arrangement of alkaline dry battery security performance |
-
2015
- 2015-05-29 CN CN201520363868.8U patent/CN204651429U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632530A (en) * | 2019-10-21 | 2019-12-31 | 胡红秀 | Voltage detection equipment for new energy battery maintenance |
| CN111082486A (en) * | 2019-12-23 | 2020-04-28 | 东莞华厦自动化科技有限公司 | Conductive device and battery cell clamp |
| CN111082486B (en) * | 2019-12-23 | 2022-01-21 | 东莞华厦自动化科技有限公司 | Conductive device and battery cell clamp |
| CN113125972A (en) * | 2021-03-26 | 2021-07-16 | 宁波倍特瑞能源科技有限公司 | Quick testing arrangement of alkaline dry battery security performance |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20170529 |