CN205829242U - A kind of unmanned plane and electric power system thereof - Google Patents
A kind of unmanned plane and electric power system thereof Download PDFInfo
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- CN205829242U CN205829242U CN201620779554.0U CN201620779554U CN205829242U CN 205829242 U CN205829242 U CN 205829242U CN 201620779554 U CN201620779554 U CN 201620779554U CN 205829242 U CN205829242 U CN 205829242U
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Abstract
This utility model belongs to unmanned air vehicle technique field, it is provided that a kind of unmanned plane and electric power system thereof.nullThis utility model includes lithium-sulfur cell by using on unmanned plane、First switch module、First lithium battery、Second lithium battery and the electric power system of second switch module，It is that load system is powered by the first lithium battery and/or the second lithium battery，Lithium-sulfur cell is monitored by flight control system、First lithium battery and the voltage of the second lithium battery，And at the voltage of the first lithium battery and/or the second lithium battery less than the second pre-determined lower limit voltage threshold，And the voltage of lithium-sulfur cell higher than the first pre-determined lower limit voltage threshold time，It is the first lithium battery and/or the second lithium cell charging by lithium-sulfur cell，Make the first lithium battery or the second lithium battery in the case of circuit deficiency，It is the normal flight that its charging ensures unmanned plane also by lithium-sulfur cell，Not only increase the cruising time of unmanned plane，And use lithium-sulfur cell as the charging source of lithium battery module，Reduce cost.
Description
Technical field
This utility model belongs to unmanned air vehicle technique field, particularly relates to a kind of unmanned plane and electric power system thereof.
Background technology
Lithium-sulfur cell is using element sulphur as anode, and lithium metal is as a kind of lithium battery of battery cathode, and it is theoretical
Energy density, up to 2600Wh/kg, is 7 times of business cobalt acid lithium-graphite lithium ion battery (theoretical energy density 360Wh/kg).
In prior art, the energy density of power lithium-ion battery about 200Wh/kg, and the energy density of lithium-sulfur cell is up to 550Wh/
kg.The energy approximation of i.e. one piece lithium-sulfur cell offer is in the energy of the lithium ion battery offer of three pieces of equal weight.Additionally, lithium sulfur
The cost of battery is less than lithium battery.
Existing unmanned plane the most all uses lithium battery to be powered, and when the electricity deficiency of lithium battery, unmanned plane is
Cannot normal flight, therefore, prior art provides the solar energy system of a kind of unmanned plane, when electric quantity of lithium battery not
During foot, can be by solaode to lithium cell charging, but this system is only applicable to containing the unmanned plane that can lay more greatly area,
The unmanned plane that surface area is less cannot be applicable to.In consideration of it, prior art additionally provides one includes lithium battery and hydrogen fuel electricity
The unmanned plane mixed power supply system in pond, when electric quantity of lithium battery deficiency, can be charged lithium battery by hydrogen fuel cell, but
Fuel cell is relatively costly at present.
Utility model content
The purpose of this utility model is to provide a kind of unmanned plane and electric power system thereof, it is intended to solves existing unmanned plane and adopts
Originate as the charging of lithium battery with hydrogen fuel cell, cause relatively costly problem.
This utility model is achieved in that the electric power system of a kind of unmanned plane, with the flight control system of described unmanned plane and
Load system connects, and described electric power system includes lithium-sulfur cell, the first switch module, lithium battery module；Described lithium battery module
Including the first lithium battery and the second lithium battery；
The output of described lithium-sulfur cell terminates the input of described first switch module, the first of described first switch module
Outfan and the second outfan connect the first end and first end of described second lithium battery of described first lithium battery respectively, and described
Second end of one lithium battery and the second end of described second lithium battery connect described load system, the power supply of described lithium-sulfur cell respectively
The power end of end, the power end of described first lithium battery and described second lithium battery connects the first monitoring of described flight control system respectively
End, the second monitoring client and the 3rd monitoring client, the controlled end of described first switch module is connected with the control end of described flight control system；
During described unmanned plane during flying, described first lithium battery and/or described second lithium battery are described load system
System power supply；Described flight control system monitors the voltage of described lithium-sulfur cell, the voltage of described first lithium battery and described second respectively
The voltage of lithium battery, when detecting that the voltage of described first lithium battery and/or described second lithium battery is less than the second pre-determined lower limit
Voltage threshold, and when the voltage of described lithium-sulfur cell is higher than the first pre-determined lower limit voltage threshold, described flight control system controls described
It is described first lithium battery and/or described second lithium cell charging that first switch module gates described lithium-sulfur cell.
This utility model additionally provides a kind of unmanned plane, and including flight control system, load system and dynamical system, its feature exists
In, described unmanned plane also includes above-mentioned electric power system；
The power end of described flight control system and controlled end respectively with the 5th control of described load system and described flight control system
End processed connects.
This utility model by unmanned plane use include lithium-sulfur cell, the first switch module, the first lithium battery, second
Lithium battery and the electric power system of second switch module, be that load system is powered, by flying by the first lithium battery and/or the second lithium battery
Ore-controlling Role monitoring lithium-sulfur cell, the first lithium battery and the voltage of the second lithium battery, and at the first lithium battery and/or the second lithium battery
Voltage less than the second pre-determined lower limit voltage threshold, and the voltage of lithium-sulfur cell higher than the first pre-determined lower limit voltage threshold time, logical
Crossing lithium-sulfur cell is the first lithium battery and/or the second lithium cell charging so that the first lithium battery or the second lithium battery are at circuit not
In the case of foot, it is its normal flight to ensure unmanned plane that charges also by lithium-sulfur cell, not only increases unmanned plane
Cruising time, and use lithium-sulfur cell as the charging source of lithium battery module, reduce cost.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the electric power system of the unmanned plane that this utility model embodiment provides；
Fig. 2 is the electrical block diagram of the electric power system of the unmanned plane that this utility model embodiment provides；
Fig. 3 is the operation principle schematic diagram of the electric power system of the unmanned plane that this utility model embodiment provides；
Fig. 4 is the electrical block diagram of the unmanned plane that this utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
This utility model embodiment includes lithium-sulfur cell, the first switch module, the first lithium electricity by using on unmanned plane
Pond, the second lithium battery and the electric power system of second switch module, be that load system supplies by the first lithium battery and/or the second lithium battery
Electricity, is monitored lithium-sulfur cell, the first lithium battery and the voltage of the second lithium battery by flight control system, and at the first lithium battery and/or
The voltage of two lithium batteries is less than the second pre-determined lower limit voltage threshold, and the voltage of lithium-sulfur cell is higher than the first pre-determined lower limit voltage threshold
During value, it is the first lithium battery and/or the second lithium cell charging by lithium-sulfur cell so that the first lithium battery or the second lithium battery exist
In the case of circuit deficiency, it is its normal flight to ensure unmanned plane that charges also by lithium-sulfur cell, not only increases nothing
Man-machine cruising time, and use lithium-sulfur cell as the charging source of lithium battery module, reduce cost.
Fig. 1 shows the modular structure of the electric power system of the unmanned plane that this utility model embodiment provides, for the ease of saying
Bright, illustrate only the part relevant to this utility model embodiment, details are as follows:
The electric power system 1 of a kind of unmanned plane, is connected with flight control system 2 and the load system 3 of unmanned plane, the power supply of unmanned plane
System 1 includes lithium-sulfur cell the 10, first switch module 11, lithium battery module 12 and second switch module 13, lithium battery module 12
Including the first lithium battery 120 and the second lithium battery 121.
The input of output termination first switch module 11 of lithium-sulfur cell 10, the first outfan of the first switch module 11
With the first end and the first end of the second lithium battery 121 that the second outfan connects the first lithium battery 120 respectively, the first lithium battery 120
The second end and the second end of the second lithium battery 121 connect first input end and second input of second switch module 13 respectively,
Second switch module 13 output termination load system 3, the power end of lithium-sulfur cell 10, the power end of the first lithium battery 120 and
The power end of the second lithium battery 121 connects the first monitoring client of flight control system 2, the second monitoring client and the 3rd monitoring client respectively, and first
The controlled end of switch module 11 and the controlled end of second switch module 13 are connected to the control end of flight control system 2 altogether.
During unmanned plane during flying, the first lithium battery 120 and/or the second lithium battery 121 are powered for load system 3, lithium
Sulfur battery 10 is the first lithium battery 120 and/or the second lithium battery 121 charges.Flight control system 2 monitors the electricity of lithium-sulfur cell 10 respectively
Pressure U3, the voltage U1 of the first lithium battery 120 and voltage U2 of the second lithium battery 121.
In this utility model embodiment, the first lithium battery 120 and the second lithium battery 121 be identical lithium battery or
Lithium battery group.
During unmanned plane during flying, in order to avoid situation about putting occurred in lithium-sulfur cell, set lithium-sulfur cell 10 times
Voltage limit threshold value (the i.e. first pre-determined lower limit voltage threshold) is UL1；Meanwhile, in order to avoid the first lithium battery 120 and the second lithium electricity
Overcharging or crossing situation about putting in use occur in pond 121, and sets the first lithium battery 120 and lower limit of the second lithium battery 121
Voltage threshold (the i.e. second pre-determined lower limit voltage threshold) is UL2, and upper voltage limit threshold value (the i.e. second preset upper limit voltage threshold) is
UH2。
When flight control system 2 detects that the voltage U1 of the first lithium battery 120 and/or voltage U2 of the second lithium battery 121 is less than
Second pre-determined lower limit voltage threshold UL2, and when the voltage of lithium-sulfur cell 10 is higher than the first pre-determined lower limit voltage threshold UL1, fly control
System 2 controls lithium-sulfur cell 10 and is the first lithium battery 120 and/or the second lithium battery 121 charges.
When flight control system 2 detects that the voltage U1 of the first lithium battery 120 and voltage U2 of the second lithium battery 121 is above
During two pre-determined lower limit voltage threshold UL2, flight control system 2 controls the lithium that second switch module 13 gates in lithium battery module 12
Battery is that load system is powered.
The voltage of a lithium battery in flight control system 2 detects lithium battery module 12 is less than the second pre-determined lower limit voltage
Threshold value UL2, the voltage of another lithium battery is higher than the second pre-determined lower limit voltage threshold UL2, and the voltage U3 of lithium-sulfur cell 10 is high
When the first pre-determined lower limit voltage threshold UL1, flight control system 2 controls second switch module 13 gate voltage and sets in advance higher than second
The lithium battery of voltage limit threshold value UL2 is that load system 3 is powered, and it is default less than second to control the first switch module 11 gate voltage
The lithium battery of lower threshold voltage UL2 is charged.
When flight control system 2 detects that the voltage U1 of the first lithium battery 120 and voltage U2 of the second lithium battery 121 is below
During two pre-determined lower limit voltage threshold UL2, flight control system 2 controls second switch module 13 and gates the first lithium battery 120 and simultaneously
Two lithium batteries 121 are powered for load system, and meanwhile, flight control system 2 sends alarm, and controls unmanned plane execution landing instruction.
In this utility model embodiment, before unmanned plane takes off, lithium-sulfur cell the 10, first lithium battery 120 and second
Lithium battery 121 is in fully charged state；After unmanned plane takes off, flight control system 2 controls second switch module 13 and gates arbitrarily
One lithium battery is that load system 3 is powered.
In this utility model embodiment, lithium battery module 12 uses the design of two-way lithium battery so that a wherein road lithium
When battery is because of malfunction and failure, another road lithium battery can normally be powered for load system 3, to ensure the safety of unmanned plane during flying
Property.
As this utility model one embodiment, electric power system 1 also includes that dc-dc 14, dc-dc 14 connect
Between lithium-sulfur cell 10 and the first switch module 11, for the output voltage of lithium-sulfur cell 10 is converted to lithium battery module 12
Required voltage also charges for lithium battery module 12.
Fig. 2 shows the circuit structure of the electric power system of the unmanned plane that this utility model embodiment provides, for the ease of saying
Bright, illustrate only the part relevant to this utility model embodiment, details are as follows:
As this utility model one embodiment, the first switch module 11 includes that the first power switch 110 and second supplies to establish by cable
Closing 111, second switch module 13 includes the 3rd power switch 130 and the 4th power switch 131.
First end of the first power switch 110 and the first end of the second power switch 111 connect altogether as the first switch module
The input of 11, the second end of the first power switch 110 and the second end of the second power switch 111 are respectively the first switch module
First outfan of 11 and the second outfan, the first end of the 3rd power switch 130 and the first end of the 4th power switch 131 divide
Not Wei the first input end of second switch module 13 and the second input, the second end of the 3rd power switch 130 and the 4th power supply
Second end of switch 131 connects the outfan as second switch module 13, the controlled end of the first power switch 110, the second confession altogether
The controlled end of the controlled end of electric switch 111, the controlled end of the 3rd power switch 130 and the 4th power switch 131 connects respectively and flies control
First control end of system 2, the second control end, the 3rd control end and the 4th control end.
As this utility model one embodiment, when flight control system 2 detects voltage U1 and second lithium of the first lithium battery 120
The voltage U2 of battery 121 is above the second pre-determined lower limit voltage threshold UL2, and the voltage U3 of lithium-sulfur cell 10 presets less than first
During lower threshold voltage UL1, flight control system 2 controls the first power switch 110 and the second power switch 111 turns off, and controls the
Three power switch 130 or the 4th power switch 131 turn on, so that the first lithium battery 120 or the second lithium battery 121 are load system
Power supply.
As this utility model one embodiment, when flight control system 2 detects voltage U1 and second lithium of the first lithium battery 120
The voltage U2 of battery 121 is above the second preset upper limit voltage threshold UH2, and the voltage U3 of lithium-sulfur cell 10 presets higher than first
During lower threshold voltage UL1, flight control system 2 controls the lithium battery that second switch module 13 gates in lithium battery module 12 and is
Load system 3 is powered.
The voltage of a lithium battery in flight control system 2 detects lithium battery module 12 is higher than the second pre-determined lower limit voltage
Threshold value UL2 and less than the second preset upper limit voltage threshold UH2, the voltage of another lithium battery is higher than preset upper limit voltage threshold,
And the voltage U3 of lithium-sulfur cell 10 higher than the first pre-determined lower limit voltage threshold UL1 time, flight control system 2 controls the first switch module 11
Gate voltage is carried out higher than the second pre-determined lower limit voltage threshold UL2 and the lithium battery less than the second preset upper limit voltage threshold UH2
Charging, and to control second switch module 13 gate voltage higher than the lithium battery of preset upper limit voltage threshold be that load system 3 is powered.
When flight control system 2 detects that the voltage U1 of the first lithium battery 120 and voltage U2 of the second lithium battery 121 is above
Two pre-determined lower limit voltage threshold UL2 and be below the second preset upper limit voltage threshold UH2, and the voltage U3 of lithium-sulfur cell 10 is higher than
During the first pre-determined lower limit voltage threshold UL1, flight control system 2 controls that second switch module 13 gates in lithium battery module 12
Lithium battery is that load system is powered.
In this utility model embodiment, when flight control system 2 detects voltage U1 or the second lithium electricity of the first lithium battery 120
When the voltage U2 in pond 121 is higher than the second preset upper limit voltage threshold UH2, flight control system 2 controls lithium-sulfur cell 10 and stops being first
Lithium battery 120 or the second lithium battery 121 are charged, to avoid the first lithium battery 120 or the second lithium battery 121 to be in and overcharge shape
State.
As this utility model one embodiment, when flight control system 2 detects that the voltage U1 of the first lithium battery 120 is higher than second
Pre-determined lower limit voltage threshold UL2 and less than the second preset upper limit voltage threshold UH2, the voltage U2 of the second lithium battery 121 higher than pre-
If upper voltage limit threshold value, and when the voltage U3 of lithium-sulfur cell 10 is higher than the first pre-determined lower limit voltage threshold UL1, flight control system 2 is controlled
Make the first power switch 110 and the 4th power switch 131 turns on, control the second power switch 111 and the 3rd power switch 130 closes
Disconnected, to power so that lithium-sulfur cell 10 is the first lithium battery 120, the second lithium battery 121 is powered for load system 3.
As this utility model one embodiment, when flight control system 2 detects that the voltage U2 of the second lithium battery 121 is higher than second
Pre-determined lower limit voltage threshold UL2 and less than the second preset upper limit voltage threshold UH2, the voltage U1 of the first lithium battery 120 higher than pre-
If upper voltage limit threshold value, and when the voltage U3 of lithium-sulfur cell 10 is higher than the first pre-determined lower limit voltage threshold UL1, flight control system 2 is controlled
Make the first power switch 110 and the 4th power switch 131 turns off, control the second power switch 111 and the 3rd power switch 130 is led
Logical, to power so that lithium-sulfur cell 10 is the second lithium battery 121, the first lithium battery 120 is powered for load system.
As this utility model one embodiment, when flight control system 2 detects that the voltage U1 of the first lithium battery 120 is less than second
Pre-determined lower limit voltage threshold UL2, the voltage U2 of the second lithium battery 121 are higher than the second pre-determined lower limit voltage threshold UL2, and lithium sulfur electricity
The voltage U3 in pond 10 is higher than the first pre-determined lower limit voltage threshold UL1, and flight control system 2 controls the first power switch 110 and the 4th confession
Electric switch 131 turns on, and controls the second power switch 111 and the 3rd power switch 130 turns off, so that lithium-sulfur cell 10 is the first lithium
Battery 120 charges, and the second lithium battery 121 is powered for load system 3.
As this utility model one embodiment, when flight control system 2 detects that the voltage U1 of the first lithium battery 120 is higher than second
Pre-determined lower limit voltage threshold UL2, the voltage U2 of the second lithium battery 121 are less than the second pre-determined lower limit voltage threshold UL2, and lithium sulfur electricity
When the voltage U3 in pond 10 is higher than the first pre-determined lower limit voltage threshold UL1, flight control system 2 controls the first power switch 110 and the 4th
Power switch 131 turns off, and controls the second power switch 111 and the 3rd power switch 130 turns on, so that lithium-sulfur cell 10 is second
Lithium battery 121 charges, and the first lithium battery 120 is powered for load system 3.
As one embodiment of the invention, when flight control system 2 detects that the voltage U1 of the first lithium battery 120 presets higher than second
Lower threshold voltage UL2, the voltage U2 of the second lithium battery 121 are below the second pre-determined lower limit voltage threshold UL2, and lithium-sulfur cell
When the voltage U3 of 10 is less than the first pre-determined lower limit voltage threshold UL1, flight control system 2 controls the first power switch 110, second and powers
Switch 111 and the 4th power switch 131 turn off, and control the 3rd power switch 130 and turn on, so that the first lithium battery 120 is load
System 3 is powered.
As this utility model one embodiment, when flight control system detects that the voltage U1 of the first lithium battery 120 is less than second
Pre-determined lower limit voltage threshold UL2, the voltage U2 of the second lithium battery 121 are higher than the second pre-determined lower limit voltage threshold UL2, and lithium sulfur electricity
When the voltage U3 in pond 10 is less than the first pre-determined lower limit voltage threshold UL1, flight control system 2 controls the first power switch 110, second and supplies
Electric switch 111 and the 3rd power switch 130 turn off, and control the 4th power switch 131 and turn on, so that the second lithium battery 121 is negative
Loading system 3 is powered.
As this utility model one embodiment, when flight control system 2 detects voltage U1 and second lithium of the first lithium battery 120
The voltage U2 of battery 121 is below the second pre-determined lower limit voltage threshold UL2, and the voltage U3 of lithium-sulfur cell 10 presets less than first
During lower threshold voltage UL1, flight control system 2 controls the first power switch 110 and the second power switch 111 turns off, and controls the 3rd
Power switch 130 and the 4th power switch 131 turn on, so that the first lithium battery 120 and the second lithium battery 121 are simultaneously for load system
System 3 power supply, meanwhile, flight control system 2 sends alarm and controls unmanned plane landing.
As this utility model one embodiment, when flight control system 2 detects voltage U1 and second lithium of the first lithium battery 120
The voltage U2 of battery 121 is below the second pre-determined lower limit voltage threshold UL2, and the voltage U3 of lithium-sulfur cell 10 presets higher than first
During lower threshold voltage UL1, flight control system 2 controls first power switch the 110, second power switch the 111, the 3rd power switch
130 and the 4th power switch 131 turn on so that lithium-sulfur cell 10 is the first lithium battery 120 and the second lithium battery 121 charges, with
Time the first lithium battery 120 and the second lithium battery 121 power for load system 3 simultaneously, and flight control system 2 sends alarm and controls nothing
Man-machine landing.
Fig. 3 shows the specific works principle of the electric power system of the unmanned plane that this utility model embodiment provides, in flight
Under original state, the first lithium battery 120 is powered for load system 3, and lithium-sulfur cell 10 and the second lithium battery 121 do not work, and
In the case of first lithium battery 120 is identical with the second lithium battery 121 state, preferential gating the first lithium battery 120 is load system 2
Power supply, specific works principle is as shown in Figure 3.
This utility model embodiment additionally provides a kind of unmanned plane, and Fig. 4 shows the nothing that this utility model embodiment provides
Man-machine circuit structure, as shown in Figure 4, unmanned plane includes flight control system 2, load system 3 and dynamical system 4, described unmanned plane
The electric power system 1 provided such as above-described embodiment is also provided.
The power end of dynamical system 4 and controlled end are connected with the 5th control end of load system 3 and flight control system 2 respectively.
As one embodiment of the invention, dynamical system 4 includes electron speed regulator 40, brushless electric machine 41 and the spiral shell being sequentially connected
Rotation oar 42, the power end of electron speed regulator 40 and controlled end are respectively power end and the controlled end of dynamical system, fly at unmanned plane
During row, flight control system 2 controls electron speed regulator 40 by control signal, so that electron speed regulator 40 drives brushless electric machine 41
Work.
This utility model embodiment includes lithium-sulfur cell, the first switch module, the first lithium electricity by using on unmanned plane
Pond, the second lithium battery and the electric power system of second switch module, be that load system supplies by the first lithium battery and/or the second lithium battery
Electricity, is monitored lithium-sulfur cell, the first lithium battery and the voltage of the second lithium battery by flight control system, and at the first lithium battery and/or
The voltage of two lithium batteries is less than the second pre-determined lower limit voltage threshold, and the voltage of lithium-sulfur cell is higher than the first pre-determined lower limit voltage threshold
During value, it is the first lithium battery and/or the second lithium cell charging by lithium-sulfur cell so that the first lithium battery or the second lithium battery exist
In the case of circuit deficiency, it is its normal flight to ensure unmanned plane that charges also by lithium-sulfur cell, not only increases nothing
Man-machine cruising time, and use lithium-sulfur cell as the charging source of lithium battery module, reduce cost.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (10)
1. an electric power system for unmanned plane, is connected with flight control system and the load system of described unmanned plane, it is characterised in that institute
State electric power system and include lithium-sulfur cell, the first switch module, lithium battery module；Described lithium battery module include the first lithium battery and
Second lithium battery；
The output of described lithium-sulfur cell terminates the input of described first switch module, the first output of described first switch module
End and the second outfan connect the first end and first end of described second lithium battery of described first lithium battery, described first lithium respectively
Second end of battery and the second end of described second lithium battery connect described load system respectively, the power end of described lithium-sulfur cell,
The power end of described first lithium battery and the power end of described second lithium battery connect respectively described flight control system the first monitoring client,
Second monitoring client and the 3rd monitoring client, the controlled end of described first switch module is connected with the control end of described flight control system；
During described unmanned plane during flying, described first lithium battery and/or described second lithium battery are that described load system supplies
Electricity；Described flight control system monitors the voltage of described lithium-sulfur cell, the voltage of described first lithium battery and described second lithium electricity respectively
The voltage in pond, when detecting that the voltage of described first lithium battery and/or described second lithium battery is less than the second pre-determined lower limit voltage
Threshold value, and when the voltage of described lithium-sulfur cell is higher than the first pre-determined lower limit voltage threshold, described flight control system controls described first
It is described first lithium battery and/or described second lithium cell charging that switch module gates described lithium-sulfur cell.
2. the electric power system of unmanned plane as claimed in claim 1, it is characterised in that the electric power system of described unmanned plane also includes
Second switch module, the second end of described first lithium battery and the second end of described second lithium battery connect described second switch respectively
The first input end of module and the second input, the output described load system of termination of described second switch module, described second
The controlled end of switch module is connected with the control end of described flight control system；When described flight control system detects described first lithium
When the voltage of battery and the voltage of described second lithium battery are above the second pre-determined lower limit voltage threshold, described flight control system controls
The lithium battery that described second switch module gates in described lithium battery module is that described load system is powered；
The voltage of a lithium battery in described flight control system detects described lithium battery module is set in advance less than described second
Voltage limit threshold value, the voltage of another lithium battery is higher than described second pre-determined lower limit voltage threshold, and the electricity of described lithium-sulfur cell
When pressure is higher than the first pre-determined lower limit voltage threshold, described flight control system controls described second switch module and gates described lithium battery mould
In block, voltage is that described load system is powered higher than the lithium battery of described second pre-determined lower limit voltage threshold, and controls the first switch
Module gates voltage in described lithium battery module and is charged less than the lithium battery of described second pre-determined lower limit voltage threshold；
When described flight control system, to detect that the voltage of described first lithium battery and the voltage of described second lithium battery are below described
During the second pre-determined lower limit voltage threshold, described flight control system controls described second switch module and gates described first lithium battery simultaneously
Being that described load system is powered with described second lithium battery, meanwhile, described flight control system sends alarm, and controls described unmanned plane
Perform landing instruction.
3. the electric power system of unmanned plane as claimed in claim 2, it is characterised in that described first switch module includes the first confession
Electric switch and the second power switch, described second switch module includes the 3rd power switch and the 4th power switch；
First end of described first power switch and the first end of described second power switch connect altogether as described first switching molding
The input of block, the second end of described first power switch and the second end of described second power switch are respectively described first and open
Close the first outfan of module and the second outfan, the of the first end of described 3rd power switch and described 4th power switch
One end is respectively first input end and second input of described second switch module, the second end of described 3rd power switch and
Second end of described 4th power switch connects the outfan as described second switch module, being subject to of described first power switch altogether
Control end, the controlled end of described second power switch, described 3rd controlled end of power switch and being subject to of described 4th power switch
Control end connects the first control end of described flight control system, the second control end, the 3rd control end and the 4th control end respectively.
4. the electric power system of unmanned plane as claimed in claim 3, it is characterised in that when described flight control system detects described the
The voltage of one lithium battery and the voltage of described second lithium battery are above described second pre-determined lower limit voltage threshold, and described lithium sulfur
When the voltage of battery is less than described first pre-determined lower limit voltage threshold, described flight control system controls described first power switch and institute
State the second power switch to turn off, control described 3rd power switch or described 4th power switch conducting, so that described first lithium
Battery or described second lithium battery are that described load system is powered.
5. the electric power system of unmanned plane as claimed in claim 3, it is characterised in that when described flight control system detects described the
The voltage of one lithium battery and the voltage of described second lithium battery are above the second preset upper limit voltage threshold, and described lithium-sulfur cell
Voltage higher than described first pre-determined lower limit voltage threshold time, it is described that described flight control system controls described second switch module gating
A lithium battery in lithium battery module is that described load system is powered；
The voltage of a lithium battery in described flight control system detects described lithium battery module is set in advance higher than described second
Voltage limit threshold value and less than described second preset upper limit voltage threshold, the voltage of another lithium battery is higher than described preset upper limit electricity
Pressure threshold value, and when the voltage of described lithium-sulfur cell is higher than described first pre-determined lower limit voltage threshold, described flight control system controls institute
State voltage in the first switch module described lithium battery module of gating and higher than described second pre-determined lower limit voltage threshold and be less than described
The lithium battery of the second preset upper limit voltage threshold is charged, and controls the described second switch module described lithium battery module of gating
Middle voltage is that described load system is powered higher than the lithium battery of described preset upper limit voltage threshold；
When described flight control system, to detect that the voltage of described first lithium battery and the voltage of described second lithium battery are above described
Second pre-determined lower limit voltage threshold and be below described second preset upper limit voltage threshold, and the voltage of described lithium-sulfur cell is higher than
During described first pre-determined lower limit voltage threshold, described flight control system controls described second switch module and gates described lithium battery module
In a lithium battery be that described load system is powered.
6. the electric power system of unmanned plane as claimed in claim 5, it is characterised in that when described flight control system detects described the
The voltage of one lithium battery is higher than described second pre-determined lower limit voltage threshold and less than described second preset upper limit voltage threshold, described
The voltage of the second lithium battery is higher than described preset upper limit voltage threshold, and the voltage of described lithium-sulfur cell is preset higher than described first
During lower threshold voltage, described flight control system controls described first power switch and described 4th power switch conducting, controls institute
State the second power switch and described 3rd power switch turns off, so that described lithium-sulfur cell is described first lithium battery power supply, institute
Stating the second lithium battery is that described load system is powered.
7. the electric power system of unmanned plane as claimed in claim 5, it is characterised in that when described flight control system detects described the
The voltage of two lithium batteries is higher than described second pre-determined lower limit voltage threshold and less than described second preset upper limit voltage threshold, described
The voltage of the first lithium battery is higher than described preset upper limit voltage threshold, and the voltage of described lithium-sulfur cell is preset higher than described first
During lower threshold voltage, described flight control system controls described first power switch and described 4th power switch turns off, and controls institute
State the second power switch and described 3rd power switch conducting, so that described lithium-sulfur cell is described second lithium battery power supply, institute
Stating the first lithium battery is that described load system is powered.
8. the electric power system of unmanned plane as claimed in claim 3, it is characterised in that when described flight control system detects described the
The voltage of one lithium battery is less than described second pre-determined lower limit voltage threshold, and the voltage of described second lithium battery is second pre-higher than described
If lower threshold voltage, and the voltage of described lithium-sulfur cell higher than described first pre-determined lower limit voltage threshold time, described in fly control system
System controls described first power switch and described 4th power switch conducting, controls described second power switch and described 3rd confession
Electric switch turns off, so that described lithium-sulfur cell is described first lithium cell charging, described second lithium battery is described load system
Power supply.
9. the electric power system of unmanned plane as claimed in claim 3, it is characterised in that when described flight control system detects described the
The voltage of one lithium battery is higher than described second pre-determined lower limit voltage threshold, and the voltage of described second lithium battery is second pre-less than described
If lower threshold voltage, and the voltage of described lithium-sulfur cell higher than described first pre-determined lower limit voltage threshold time, described in fly control system
System controls described first power switch and described 4th power switch turns off, and controls described second power switch and described 3rd confession
Electric switch turns on, so that described lithium-sulfur cell is described second lithium cell charging, described first lithium battery is described load system
Power supply.
10. a unmanned plane, including flight control system, load system and dynamical system, it is characterised in that described unmanned plane also includes
The electric power system of the unmanned plane as described in claim 1-9 any one；
The power end of described dynamical system and controlled end respectively with the 5th control end of described load system and described flight control system
Connect.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193285A (en) * | 2017-04-20 | 2017-09-22 | 湖北工业大学 | Many rotor fuel cell plant protection unmanned aerial vehicle control systems and its method of work |
| CN108565506A (en) * | 2017-12-18 | 2018-09-21 | 广州亿航智能技术有限公司 | Unmanned plane battery and unmanned plane |
| CN111817361A (en) * | 2019-04-11 | 2020-10-23 | 天津大学 | Portable power supply system of continuous power supply for tethered unmanned aerial vehicle |
| CN116488318A (en) * | 2023-04-11 | 2023-07-25 | 深圳市龙之源科技股份有限公司 | Power supply device and power supply device control method |
-
2016
- 2016-07-22 CN CN201620779554.0U patent/CN205829242U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193285A (en) * | 2017-04-20 | 2017-09-22 | 湖北工业大学 | Many rotor fuel cell plant protection unmanned aerial vehicle control systems and its method of work |
| CN108565506A (en) * | 2017-12-18 | 2018-09-21 | 广州亿航智能技术有限公司 | Unmanned plane battery and unmanned plane |
| CN111817361A (en) * | 2019-04-11 | 2020-10-23 | 天津大学 | Portable power supply system of continuous power supply for tethered unmanned aerial vehicle |
| CN116488318A (en) * | 2023-04-11 | 2023-07-25 | 深圳市龙之源科技股份有限公司 | Power supply device and power supply device control method |
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