CN204361758U - A kind of battery pack balancing system based on wireless monitor - Google Patents
A kind of battery pack balancing system based on wireless monitor Download PDFInfo
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- CN204361758U CN204361758U CN201520102034.1U CN201520102034U CN204361758U CN 204361758 U CN204361758 U CN 204361758U CN 201520102034 U CN201520102034 U CN 201520102034U CN 204361758 U CN204361758 U CN 204361758U
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Abstract
Based on a battery pack balancing system for wireless monitor, it relates to a kind of battery equalization system.The purpose of this utility model is that the monitor portion monitoring range in order to solve existing battery equalization system is little, monitoring inaccuracy, the problem of monitoring effect difference.Monitor portion of the present utility model comprises touch display screen, warning circuit and data processor, data processor comprises ARM unit, data monitoring unit, timing unit and buffer unit, the output connection data monitoring means of the second wireless module, output Connection Cache unit and the ARM unit respectively of data monitoring unit, the output of ARM unit connects the input of the second wireless module, timing unit and warning circuit respectively, and ARM unit and touch display screen are set up bi-directional data and be connected.The utility model monitoring range is large, monitors more comprehensive, and monitor data is more accurate, improves monitoring effect, enhances the fail safe of system.
Description
Technical field
The utility model relates to a kind of battery equalization system, is specifically related to a kind of battery equalization system based on wireless monitor, belongs to battery management system technical field.
Background technology
In Practical Project, the needs in engineering practice can not be met due to single battery voltage, then select multiple batteries serial or parallel connection to use together.All can there are some inevitable factors in current battery manufacturing technology and use procedure, affect the consistency of voltage between battery cell and capacity.Due to this species diversity between each monomer, super-charge super-discharge in use procedure, is caused to jeopardize useful life and the safety of battery.So extend the useful life of battery to solve such problem, battery balanced methods are particularly important.Non-dissipative equalizing circuit mostly in the past is energy loss type circuit, easily causes the loss of energy to waste.Present all trades and professions have a common developing direction to be exactly expect the harmless function of energy, are also the important developing direction of of battery certainly.Existing battery equalization system is provided with monitor portion, but monitoring range is little, and monitoring inaccuracy, monitoring effect is poor.
Summary of the invention
The purpose of this utility model is that the monitor portion monitoring range in order to solve existing battery equalization system is little, monitoring inaccuracy, the problem of monitoring effect difference.
The technical solution of the utility model is: a kind of battery pack balancing system based on wireless monitor, comprise battery pack, PSOC controller, collecting part, non-dissipative equalizing circuit, first wireless module, second wireless module and monitor portion, described battery pack connects the input of PSOC controller by collecting part, the output of PSOC controller is connected by non-dissipative equalizing circuit and battery pack, described PSOC controller sets up wireless connections by the first wireless communication module and the second wireless module and monitor portion, described monitor portion comprises touch display screen, warning circuit and data processor, described data processor comprises ARM unit, data monitoring unit, timing unit and buffer unit, the output connection data monitoring means of described second wireless module, output Connection Cache unit and the ARM unit respectively of data monitoring unit, the output of ARM unit connects the input of the second wireless module respectively, timing unit and warning circuit, ARM unit and touch display screen are set up bi-directional data and are connected.
Described collecting part comprises voltage detecting circuit, temperature sensing circuit, current detection circuit and AD7280A chip, the input of voltage detecting circuit and temperature sensing circuit all connects with battery pack, the output of voltage detecting circuit and temperature sensing circuit and the input of AD7280A chip connect, output and the PSOC controller of AD7280A chip connect, input and the battery pack of current detection circuit connect, and output and the PSOC controller of current detection circuit connect.
Power-off control circuit is provided with between described battery pack and PSOC controller.
Described ARM unit is the ARM unit that inside is embedded with linux system, and it is easy and simple to handle, runs in stable condition, have low-power consumption, low cost, the effects such as high-performance when in the face of multitask, multi-protocols, complicated applications.
Described current detection circuit comprises stabilized voltage power supply, current transformer and amplifier, the output of stabilized voltage power supply connects the power input of current transformer, output that Current Mutual Inductance rises connect amplifier input, the output of amplifier is the output of current detection circuit.
The utility model compared with prior art has following effect: the utility model realizes PSOC controller and monitor portion wireless transmission by the first wireless communication module and the second wireless communication module, make that control is convenient, safety, remote-wireless controls to make monitoring stronger, not only save numerous and diverse data connecting line, but also enhance the accuracy rate of communication.In far distance controlled, this connected mode advantage is more remarkable, ARM unit is mainly used in man-machine interaction, operating personnel by the real-time pressure reduction that controls LCD touch screen shows, run total time, time for balance, euqalizing current, real time temperature, alarm, beginning, stopping, storing and setting virtual push button realize battery balanced control.Meanwhile, the information such as gathered electric current, voltage, temperature are transferred to ARM controller by wireless module and show in LCD touch screen by PSOC controller, and monitoring range is large, monitor more comprehensive, monitor data is more accurate, improves monitoring effect, enhances the fail safe of system.Monitor portion has independently data processing unit, avoids interference during data processing, improves monitoring efficiency, enhances the fail safe in monitor procedure.
Accompanying drawing explanation
Fig. 1 is overall structure block diagram of the present utility model;
Fig. 2 is current detection circuit figure;
Fig. 3 is non-dissipative equalizing circuit diagram;
Fig. 4 is temperature sensing circuit figure;
Fig. 5 is voltage detecting circuit figure.
In figure 1, battery pack, 2, PSOC controller, 3, collecting part, 3-1, voltage detecting circuit, 3-2, temperature sensing circuit, 3-3, current detection circuit, 3-3-1, stabilized voltage power supply part, 3-3-2, current transformer part, 3-3-3, amplifier section, 3-4, AD7280A chip, 4, non-dissipative equalizing circuit, 5, first wireless module, 6, second wireless module, 7, touch display screen, 8, warning circuit, 9, data processor, 10, ARM unit, 11, data monitoring unit, 12, timing unit, 13, buffer unit, 14, power-off control circuit, 15, thermistor, B1, first battery cell, B2, second battery cell, B3, 3rd battery cell, B4, 4th battery cell, B5, 5th battery cell, B6, 6th battery cell, L1, first inductance, L2, second inductance, L3, 3rd inductance, L4, 4th inductance, L5, 5th inductance, L6, 6th inductance, CB1, first switching tube, CB2, second switch pipe, CB3, 3rd switching tube, CB4, 4th switching tube, CB5, 5th switching tube, CB6, 6th switching tube.
Embodiment
Accompanying drawings embodiment of the present utility model, a kind of battery pack balancing system based on wireless monitor of present embodiment, comprise battery pack 1, PSOC controller 2, collecting part 3, non-dissipative equalizing circuit 4, first wireless module 5, second wireless module 6 and monitor portion, described battery pack 1 connects the input of PSOC controller 2 by collecting part 3, the output of PSOC controller 2 is connected by non-dissipative equalizing circuit 4 and battery pack 1, described PSOC controller 2 sets up wireless connections by the first wireless communication module and the second wireless module 6 with monitor portion, described monitor portion comprises touch display screen 7, warning circuit 8 and data processor 9, described data processor 9 comprises ARM unit 10, data detecting unit 11, timing unit 12 and buffer unit 13, the output connection data detecting unit 11 of described second wireless module 6, output Connection Cache unit 13 and the ARM unit 10 respectively of data detecting unit 11, the output of ARM unit 10 connects the input of the second wireless module 6 respectively, timing unit 12 and warning circuit 8, ARM unit 10 is set up bi-directional data with touch display screen 7 and is connected.
Described collecting part 3 comprises voltage detecting circuit 3-1, temperature sensing circuit 3-2, current detection circuit 3-3 and AD7280A chip 3-4, the input of voltage detecting circuit 3-1 and temperature sensing circuit 3-2 all connects with battery pack 1, the output of voltage detecting circuit 3-1 and temperature sensing circuit 3-2 and the input of AD7280A chip 3-4 connect, output and the PSOC controller 2 of AD7280A chip 3-4 connect, input and the battery pack 1 of current detection circuit 3-3 connect, output and the PSOC controller 2 of current detection circuit 3-3 connect, PSOC controller 2 is transferred to after the information AD conversion of all collections.
Power-off control circuit 14 is provided with between described battery pack 1 and PSOC controller 2.
Described ARM unit 10 is the inner ARM unit being embedded with linux system.
Described touch display screen is LCD touch display screen.
Described current detection circuit 3-3 comprises stabilized voltage power supply part 3-3-1, current transformer part 3-3-2 and amplifier section 3-3-3, the output of stabilized voltage power supply part 3-3-1 connects the power input of current transformer part 3-3-2, the output of current transformer part 3-3-2 connect amplifier section 3-3-3 input, the output of amplifier section 3-3-3 is the output of current detection circuit 3-3.
Described PSOC controller 2 gathers voltage temperature information by the lithium ion battery supervisory control system based on AD7280A chip, current information is gathered by the current detection circuit of battery pack 1, again by wireless communication module by the information transmission that collects to monitor portion, after the comparison and detection of data detecting unit 11, data are reached buffer unit 13, testing result reaches ARM unit 10, ARM unit 10 and data is reached LCD touch display screen 7, and carries out timing by timing unit 12.Operating personnel can take corresponding balance policy according to the relevant information of display, and then manual operation LCD touch display screen 7 makes information be sent to PSOC controller 2, PSOC controller 2 by wireless module breath and controls non-dissipative equalizing electricity, and 4 pairs of respective battery start equilibrium.
LCD display 7 displaying contents comprises real-time pressure reduction, runs the virtual keys such as total time, time for balance, euqalizing current, real time temperature, alarm, beginning, stopping, storage.So just can carry out as required setting balanced time and balanced electric current, equilibrium be become there is selectivity.When pressure reduction is excessive, euqalizing current is excessive or the too high warning circuit 8 of temperature all can work; glimmered by indicator light or send sound and report to the police, and show location of fault, when seriously exceeding threshold value; power-off control circuit 14 starts, and stops all work to make system be in guard mode.
Non-dissipative equalizing circuit as shown in Figure 3 adopts inductance to realize balancing energy between each batteries, and inductance is consumed energy not, can realize non-dissipative equalizing.If the first battery cell B1 voltage is high, the first switching tube CB1 conducting, charges to the first inductance L 1, and the first switching tube CB1 turns off, and charges to the second battery cell B2-the 6th battery cell B6.If the second battery cell B2 voltage is high, second switch pipe CB2 conducting, second inductance L 2 is charged, second switch pipe CB2 turns off, first switching tube CB1 conducting, charge to the first battery cell B1, the 3rd battery cell B3, the 4th battery cell B4, the 5th battery cell B5 and the 6th battery cell B6, all the other in like manner.
Fig. 4 is the low pressure multiplexer part of AD7280A lithium ion battery supervisory control system, comprises thermistor 15 and opens up benefit circuit.
Fig. 5 is the high voltage multiplexers part of AD7280A lithium ion battery supervisory control system.
Claims (5)
1. the battery pack balancing system based on wireless monitor, comprise battery pack (1), PSOC controller (2), collecting part (3), non-dissipative equalizing circuit (4), first wireless module (5), second wireless module (6) and monitor portion, described battery pack (1) connects the input of PSOC controller (2) by collecting part (3), the output of PSOC controller (2) is connected by non-dissipative equalizing circuit (4) and battery pack (1), described PSOC controller (2) sets up wireless connections by the first wireless communication module and the second wireless module (6) with monitor portion, it is characterized in that: described monitor portion comprises touch display screen (7), warning circuit (8) and data processor (9), described data processor (9) comprises ARM unit (10), data detecting unit (11), timing unit (12) and buffer unit (13), the output connection data detecting unit (11) of described second wireless module (6), output Connection Cache unit (13) and the ARM unit (10) respectively of data detecting unit (11), the output of ARM unit (10) connects the input of the second wireless module (6) respectively, timing unit (12) and warning circuit (8), ARM unit (10) is set up bi-directional data with touch display screen (7) and is connected.
2. a kind of battery pack balancing system based on wireless monitor according to claim 1, it is characterized in that: described collecting part (3) comprises voltage detecting circuit (3-1), temperature sensing circuit (3-2), current detection circuit (3-3) and AD7280A chip (3-4), the input of voltage detecting circuit (3-1) and temperature sensing circuit (3-2) all connects with battery pack (1), the output of voltage detecting circuit (3-1) and temperature sensing circuit (3-2) and the input of AD7280A chip (3-4) connect, output and the PSOC controller (2) of AD7280A chip (3-4) connect, input and the battery pack (1) of current detection circuit (3-3) connect, output and the PSOC controller (2) of current detection circuit (3-3) connect.
3. a kind of battery pack balancing system based on wireless monitor according to claim 2, is characterized in that: be provided with power-off control circuit (14) between described battery pack (1) and PSOC controller (2).
4. a kind of battery pack balancing system based on wireless monitor according to claim 3, is characterized in that: described ARM unit (10) is the inner ARM unit being embedded with linux system.
5. a kind of battery pack balancing system based on wireless monitor according to claim 4, it is characterized in that: described current detection circuit (3-3) comprises stabilized voltage power supply part (3-3-1), current transformer part (3-3-2) and amplifier section (3-3-3), the output of stabilized voltage power supply part (3-3-1) connects the power input of current transformer part (3-3-2), the output of current transformer part (3-3-2) connect amplifier section (3-3-3) input, the output of amplifier section (3-3-3) is the output of current detection circuit (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102034.1U CN204361758U (en) | 2015-02-12 | 2015-02-12 | A kind of battery pack balancing system based on wireless monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102034.1U CN204361758U (en) | 2015-02-12 | 2015-02-12 | A kind of battery pack balancing system based on wireless monitor |
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| CN204361758U true CN204361758U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520102034.1U Expired - Fee Related CN204361758U (en) | 2015-02-12 | 2015-02-12 | A kind of battery pack balancing system based on wireless monitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030230A (en) * | 2019-12-23 | 2020-04-17 | 南京理工大学 | Battery pack balancing device based on wireless electric energy transmission technology |
-
2015
- 2015-02-12 CN CN201520102034.1U patent/CN204361758U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030230A (en) * | 2019-12-23 | 2020-04-17 | 南京理工大学 | Battery pack balancing device based on wireless electric energy transmission technology |
| CN111030230B (en) * | 2019-12-23 | 2022-09-20 | 南京理工大学 | Battery pack balancing device based on wireless power transmission technology |
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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 |
Granted publication date: 20150527 Termination date: 20160212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |