CN205811617U - A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device - Google Patents
A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device Download PDFInfo
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- CN205811617U CN205811617U CN201620727425.7U CN201620727425U CN205811617U CN 205811617 U CN205811617 U CN 205811617U CN 201620727425 U CN201620727425 U CN 201620727425U CN 205811617 U CN205811617 U CN 205811617U
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- module
- unmanned plane
- lithium battery
- battery pack
- battery group
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model discloses a kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device, including set of cells, battery pack information acquisition module, master controller, equalization control module, battery pack protection module, display module and communication module, the input of battery pack information acquisition module electrically connects with each cell in set of cells, the outfan of battery pack information acquisition module is connected with the input of master controller, master controller is also associated with equalization control module, battery pack protection module, display module and communication module, equalization control module, battery pack protection module electrically connects with each cell in set of cells the most respectively.This utility model can realize the Balance route to agricultural chemical spraying unmanned plane lithium battery group; improve the concordance of cell in lithium battery group; thus improve use capacity and the service life of spray medicine unmanned plane dynamic lithium battery group; reduce the use cost of spray medicine unmanned plane; protection to lithium battery group simultaneously controls, and can be effectively improved the flight safety of spray medicine unmanned plane.
Description
Technical field
This utility model relates to energy management field, is specifically related to agricultural chemical spraying unmanned plane power accumulator group Balance route
Device.
Background technology
Agricultural chemical spraying unmanned plane, as an emerging farm equipment industry, through fast development in recent years, is gradually sent out
Put on display the dynamic single rotor of oil and electronic many rotors two kind.Owing to electronic many rotor wing unmanned aerial vehicles are easy to operate, to operator's
Operant skill is less demanding, and flight stability is good, and fault rate and production cost are relatively low, occupies the market model of larger share at present
Enclose.But the problem that the use cost of spray medicine unmanned plane dynamic lithium battery is higher, constrains spray medicine unmanned plane large-scale application.
Due to lithium ion battery compare lead-acid accumulator, cadmium-nickel storage cell, Ni-MH battery have that volume is little, lightweight, follow
The advantages such as ring life-span length, self-discharge rate are low, memory-less effect, specific energy big, environmental protection, frequently as dynamic lithium battery, agricultural chemical spraying
Unmanned plane is no exception.The electrokinetic cell that agricultural chemical spraying unmanned plane is used at present is mainly one group or several groups of LiFePO4 electricity
Pond.Ferric phosphate lithium cell single battery voltage is relatively low, only 3.2V.In order to obtain big energy, high voltage, accumulator generally will be single
Body lithium battery forms big lithium battery group application in the way of series connection and parallel connection, owing to each cell performance exists difference, with
Time spray medicine unmanned plane work operating mode more complicated, including taking off, climb, cruise, spray, landing etc., and these operating modes it
Between need irregular frequent switching, cause the irregular and temperature environment etc. of work of charging and discharging state under different operating mode
The change of aspect so that each cell creates certain difference at aspects such as internal resistance, capacity and voltages.And along with charge and discharge
The increase of electricity number of times, this species diversity progressively strengthens.Without the battery pack system of equilibrium, cell performance difference will weaken whole group of electricity
Pond fan-out capability, makes whole Battery pack lose efficacy because of a batteries cisco unity malfunction sometimes.Meanwhile, will because of performance difference between battery
Generation overcharges puts phenomenon with crossing, and set of cells will cause great injury, has a strong impact on the service life of set of cells, even can damage
Bad whole system, brings huge potential safety hazard for spray medicine unmanned plane.
Utility model content
Utility model purpose: the purpose of this utility model is to solve deficiency of the prior art, it is provided that a kind of employing
Resistance equalising control device, this equalising control device is by the concordance of cell in raising lithium battery group, thus improves spray
The use capacity of medicine unmanned plane dynamic lithium battery group and service life, reduce the use cost of spray medicine unmanned plane, simultaneously to lithium electricity
The protection of pond group controls, and can be effectively improved the flight safety of spray medicine unmanned plane.
Technical scheme: a kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device described in the utility model, including
Set of cells, battery pack information acquisition module, master controller, equalization control module, battery pack protection module, display module and communication
Module, the input of described battery pack information acquisition module electrically connects with each cell in set of cells, and described set of cells is believed
The outfan of breath acquisition module is connected with the input of described master controller, and described master controller is also associated with Balance route mould
Block, battery pack protection module, display module and communication module, described equalization control module, battery pack protection module the most respectively with
Each cell electrical connection in described set of cells；Described equalization control module uses passive resistance energy consumption balance control model,
With the single lithium battery terminal voltage in lithium battery group for equilibrium foundation, described equalization control module gathers mould according to battery pack information
Block Real-time Collection to data to certain joint or a few joint cell do equilibrium treatment.
Further, described battery pack information acquisition module includes voltage acquisition module, temperature collect module, current acquisition
Module, reads the voltage of each cell of set of cells, temperature, battery set charge/discharge current information in real time.
Further, described voltage acquisition module uses battery management chip MAX14921, and temperature collect module uses
DS18B20 temperature sensor.
Further, described master controller uses STM32F103RCT6 microcontroller.
Further, described equalization control module includes balancing control circuit, described balancing control circuit with often save monomer
The resistance that lithium battery is connected in parallel and switch MOS power tube.
Further, described battery pack protection modular battery overcharge circuit, overdischarge circuit, cross current circuit, short circuit electricity
Road, and temperature too high or too low time carry out the circuit to battery pack protection.
Further, described display module is used for showing airborne dump energy.
Further, described communication module is connected with unmanned plane operation control terminal wireless telecommunications, will spray medicine unmanned plane lithium battery
Group relevant information is transmitted to operation control terminal.
Beneficial effect: this utility model can realize agricultural chemical spraying unmanned plane lithium battery group, by using passive resistance energy
Consumption Balance route pattern, with the single lithium battery terminal voltage in lithium battery group for equilibrium foundation, described equalization control module according to
Battery pack information acquisition module Real-time Collection to data to certain joint or a few joint cell do equilibrium treatment.Improve lithium
The concordance of cell in set of cells, thus improve use capacity and the service life of spray medicine unmanned plane dynamic lithium battery group,
Reduce the use cost of spray medicine unmanned plane.The protection of lithium battery group is controlled by simultaneity factor, can be effectively improved spray medicine unmanned plane
Flight safety.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model；
Fig. 2 is balancing control circuit structure chart of the present utility model.
Detailed description of the invention
A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device as shown in Figure 1, including set of cells, set of cells letter
Breath acquisition module, master controller, equalization control module, battery pack protection module, display module and communication module, described set of cells
The input of information acquisition module electrically connects with each cell in set of cells, the output of described battery pack information acquisition module
End be connected with the input of described master controller, described master controller be also associated with equalization control module, battery pack protection module,
Display module and communication module, described equalization control module, battery pack protection module the most respectively with each list in described set of cells
Body battery electrically connects；Described equalization control module uses passive resistance energy consumption balance control model, with the monomer in lithium battery group
Lithium battery terminal voltage is equilibrium foundation, the data that described equalization control module arrives according to battery pack information acquisition module Real-time Collection
Certain joint or a few joint cell are done equilibrium treatment.
Described battery pack information acquisition module includes voltage acquisition module, temperature collect module, current acquisition module.Described
Battery pack information acquisition module reads the information such as batteries monomer voltage, temperature, battery set charge/discharge electric current in real time.Described voltage
Acquisition module the most accurately detects single lithium battery by the battery management chip MAX14921 of Ke Ce 16 tunnel series connection cell
Terminal voltage；Described temperature collect module detects the temperature of lithium battery group in real time by DS18B20；Described current acquisition module is led to
Cross the charging and discharging currents of Hall current sensor detection set of cells.The battery that described battery pack information acquisition module will gather in real time
Group status information send main controller STM32F103RCT6.Described battery pack protection module, by the number of battery pack information acquisition module
Judging whether set of cells overcharge, overdischarge occurs according to, main controller, cross stream, short circuit is, and the shape such as temperature is too high or too low
Condition, as occurred, then main controller is to battery pack protection, forbids battery set charge/discharge.Described display module shows lithium battery group in real time
Dump energy.The mode of described communication module real-time wireless communication will spray medicine unmanned plane lithium battery group relevant information transmission extremely behaviour
Control terminal, thus realize understanding in real time the duty of agricultural chemical spraying unmanned plane dynamic lithium battery at ground monitoring unit.
The circuit of battery pack balancing of described a kind of agricultural chemical spraying unmanned plane lithium battery group balancer is as in figure 2 it is shown, equalize
System uses passive balanced mode, with the single lithium battery terminal voltage in lithium battery group for equilibrium foundation.Described Balance route mould
Tuber according to described battery pack information acquisition module Real-time Collection to data to certain joint or a few joint cell do at equilibrium
Reason.Described equalizing circuit, by each cell, a resistance equalizing circuit in parallel realizes battery balanced.Described main controller
The voltage of each cell of set of cells is detected in real time by voltage detection module, and by the voltage of each cell and lithium battery group
Average voltage compare, if the difference of certain monomer voltage and lithium battery group average voltage more than preset equilibrium cut-in voltage
Value, described main controller then sends the switch MOS power tube of the corresponding cell of instruction unlatching and realizes battery balanced, if difference is less than
Preset equilibrium end voltage poor, then main controller send instruction closedown MOS power tube battery balanced to interrupt.
The above is only preferred implementation of the present utility model, it should be pointed out that: for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. an agricultural chemical spraying unmanned plane lithium battery group equalising control device, it is characterised in that: include set of cells, battery pack information
Acquisition module, master controller, equalization control module, battery pack protection module, display module and communication module, described set of cells is believed
The input of breath acquisition module electrically connects with each cell in set of cells, the outfan of described battery pack information acquisition module
Being connected with the input of described master controller, described master controller is also associated with equalization control module, battery pack protection module, shows
Show module and communication module, described equalization control module, battery pack protection module the most respectively with each monomer in described set of cells
Battery electrically connects；Described equalization control module uses passive resistance energy consumption balance control model, with the monomer lithium in lithium battery group
Battery terminal voltage is equilibrium foundation, the data pair that described equalization control module arrives according to battery pack information acquisition module Real-time Collection
Certain joint or a few joint cell do equilibrium treatment.
A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device the most according to claim 1, it is characterised in that: institute
State battery pack information acquisition module and include voltage acquisition module, temperature collect module, current acquisition module, read set of cells in real time
The voltage of each cell, temperature, battery set charge/discharge current information.
A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device the most according to claim 2, it is characterised in that: institute
Stating voltage acquisition module and use battery management chip MAX14921, temperature collect module uses DS18B20 temperature sensor.
A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device the most according to claim 1, it is characterised in that: institute
State master controller and use STM32F103RCT6 microcontroller.
A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device the most according to claim 1, it is characterised in that: institute
State equalization control module and include balancing control circuit, described balancing control circuit and the resistance that often joint single lithium battery is connected in parallel
With switch MOS power tube.
A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device the most according to claim 1, it is characterised in that: institute
State battery pack protection modular battery overcharge circuit, overdischarge circuit, cross current circuit, short circuit current, and temperature is too high or
The circuit to battery pack protection is carried out time too low.
A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device the most according to claim 1, it is characterised in that: institute
State display module for showing airborne dump energy.
A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device the most according to claim 1, it is characterised in that: institute
State communication module to be connected with unmanned plane operation control terminal wireless telecommunications, will spray medicine unmanned plane lithium battery group relevant information transmission extremely manipulation
Terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620727425.7U CN205811617U (en) | 2016-07-12 | 2016-07-12 | A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620727425.7U CN205811617U (en) | 2016-07-12 | 2016-07-12 | A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device |
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|---|---|
| CN205811617U true CN205811617U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620727425.7U Expired - Fee Related CN205811617U (en) | 2016-07-12 | 2016-07-12 | A kind of agricultural chemical spraying unmanned plane lithium battery group equalising control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100038A (en) * | 2016-07-12 | 2016-11-09 | 江苏工程职业技术学院 | A kind of agricultural chemical spraying unmanned plane lithium battery group balance control method and device |
| CN107452989A (en) * | 2017-03-20 | 2017-12-08 | 亿航智能设备（广州）有限公司 | Battery management system and there is its flight control system and aircraft |
-
2016
- 2016-07-12 CN CN201620727425.7U patent/CN205811617U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100038A (en) * | 2016-07-12 | 2016-11-09 | 江苏工程职业技术学院 | A kind of agricultural chemical spraying unmanned plane lithium battery group balance control method and device |
| CN107452989A (en) * | 2017-03-20 | 2017-12-08 | 亿航智能设备（广州）有限公司 | Battery management system and there is its flight control system and aircraft |
| WO2018171495A1 (en) * | 2017-03-20 | 2018-09-27 | 亿航智能设备（广州）有限公司 | Battery management system and flight control system and aircraft having same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161214 Termination date: 20170712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |