CN206362910U - Battery core temperature sensing circuit based on unmanned plane - Google Patents
Battery core temperature sensing circuit based on unmanned plane Download PDFInfo
- Publication number
- CN206362910U CN206362910U CN201720006303.3U CN201720006303U CN206362910U CN 206362910 U CN206362910 U CN 206362910U CN 201720006303 U CN201720006303 U CN 201720006303U CN 206362910 U CN206362910 U CN 206362910U
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- control module
- main control
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- unmanned plane
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of battery core temperature sensing circuit based on unmanned plane, it is connected by main control module with battery pack, and main control module connects a NTC and is monitored come the temperature to battery core, in particular, when battery pack temperature is raised, NTC resistance is reduced with the change of temperature, VDD passes through first resistor, now, NTC and the voltage of second resistance also change therewith, main control module detects the voltage change of second resistance, just the change of temperature is known, when judging that temperature is too high, main control module sends a signal to alarm module and display module, alarm module is alarmed, point out staff, display module shows specific temperature value, to give staff one offer reference, staff being capable of the situation of electrolytic cell in time, battery failures are found early, improve the service life of battery, reduce the unmanned plane equipment fault caused by battery pack, it also ensure that the service behaviour of unmanned plane.
Description
Technical field
The utility model is related to electric circuit inspection field, more particularly to a kind of be used for can be to the monolithic battery core temperature of unmanned plane
The circuit detected.
Background technology
With the development of science and technology, unmanned plane applies multiple fields again, relatively civilian aspect, often application by military, civilian mode
In taking photo by plane, agricultural, transport, the field such as monitoring, news report, and the battery of unmanned plane is to ensure the unmanned plane during flying time, is flown
Apart from the important guarantee of length.
Existing unmanned plane uses battery as power source, and influence of the temperature to battery is very big, especially discharge and recharge
During, if temperature drop, the reactivity of electrode can decline, it is assumed that cell voltage holding constant, discharge current reduction, battery
Power output can also decline.On the contrary, i.e. lithium polymer battery power output can rise if temperature rises.Temperature also influences
The transfer rate of electrolyte, temperature rises and then accelerated, and transmits temperature drop, transmission slows down, and battery charging and discharging performance also can be by
Influence.But temperature is too high, more than 45 degrees Celsius, the chemical balance that can be destroyed in battery causes side reaction.Gu installed in unmanned plane
It is critically important the step for the detection of battery particularly during unmanned plane during flying in debugging process.
Utility model content
For weak point present in above-mentioned technology, the utility model provides one kind and individually single battery core can be carried out
The electric quantity detecting circuit of voltage detecting.
To achieve the above object, the utility model provides a kind of based on unmanned plane battery core temperature sensing circuit, including first
Resistance, NTC, second resistance, 3rd resistor and the first electric capacity, the two ends of the first resistor connect VDD and NTC respectively, described
The NTC other end connects second resistance and 3rd resistor simultaneously, and the second resistance is also connected to ground, the 3rd resistor and the
While one capacitance connection, main control module is also connected with, described first electric capacity one end is connected with 3rd resistor and main control module simultaneously,
The other end ground connection of first electric capacity, the 3rd resistor constitutes the RC circuits being connected with main control module, the master with the first electric capacity
Control module is electrically connected with battery pack, is also electrically connected with display module and alarm module.
Wherein, the main control module uses HT50F51 chips, 3rd resistor and the first electric capacity simultaneously with main control module
AN6 pins are electrically connected, and the AN0-AN5 pins of main control module are electrically connected with the voltage detection module of battery pack respectively, the master control
The VSS ground connection of module, the second electric capacity is also associated with vdd terminal and the VSS ends of main control module.
Wherein, the alarm module includes buzzer, the 4th resistance, triode and the 5th resistance, the 4th resistance one
End connection main control module, the base stage of other end connecting triode, the emitter stage of the triode meets power supply VCC, colelctor electrode connection
5th resistance, described buzzer one end connects the 5th resistance, other end ground connection.
Wherein, the display module includes LED display and LED drive circuit, and the LED drive circuit is shown with LED
Screen connection, the LED drive circuit is also electrically connected with main control module.
Wherein, the main control module is also electrically connected with key-press module, multiple buttons is provided with the key-press module, each
Button is electrically connected after connecting a divider resistance with main control module.
Wherein, the main control module is also electrically connected with wireless communication module, the wireless communication module also with remote client
Hold wireless telecommunications.
The beneficial effects of the utility model are：Compared with prior art, the utility model provide based on unmanned plane battery core
Temperature sensing circuit, by being connected with battery pack with main control module, and main control module connects a NTC（Negative temperature coefficient heat
Quick resistance）, using the characteristic of the temperature rise resistance reduction of NTC thermistor, it is monitored, has come the temperature to battery core
It is that, when battery pack temperature is raised, NTC resistance is reduced with the change of temperature, VDD is by first resistor, now body,
NTC and the voltage of second resistance also change therewith, and main control module detects the voltage change of second resistance, just knows temperature
Change, when judging that temperature is too high, main control module sends a signal to alarm module and display module, and alarm module alarm is pointed out
Staff, display module shows specific temperature value, and to give staff one offer reference, staff can be timely
The ground situation of electrolytic cell, finds battery failures, improves the service life of battery, reduce the nothing caused by battery pack early
Man-machine device's failure, also ensure that the service behaviour of unmanned plane.
Brief description of the drawings
Fig. 1 is the battery core temperature sensing circuit schematic diagram of the utility model embodiment；
Fig. 2 is the utility model embodiment main control module structural representation；
Fig. 3 is the utility model embodiment alarm module structural representation；
Fig. 4 is the utility model embodiment display module structural representation；
Fig. 5 is the utility model embodiment key control circuit structural representation.
Embodiment
In order to more clearly state the utility model, the utility model is further described below in conjunction with the accompanying drawings.
Referring to Fig. 1, being based on unmanned plane battery core temperature sensing circuit U2, including the first electricity the utility model discloses one kind
R1, NTC, second resistance R2,3rd resistor R3 and the first electric capacity C1 are hindered, first resistor R1 two ends connect VDD and NTC respectively,
The NTC other end connects second resistance R2 and 3rd resistor R3 simultaneously, and second resistance R2 is also connected to ground, 3rd resistor R3 and the
While one electric capacity C1 connections, be also connected with main control module U1, first electric capacity C1 one end simultaneously with 3rd resistor R3 and main control module
U1 connections, the first electric capacity C1 other end ground connection, main control module U1 is electrically connected with battery pack, also with display module U3 and alarm mould
Block U4 is electrically connected, in the present embodiment, and first resistor R1 resistances are 270 Ω, and second resistance R2 resistances are 5.1K Ω, 3rd resistor
Resistance is 10K Ω, and the first electric capacity C1 uses capacitance for 104 electric capacity, and 3rd resistor R3 and the first electric capacity C1 are constituted and master control mould
The RC circuits of block U1 connections, set a RC circuit here, make the time for having a rising by main control module U1 voltage,
Main control module is conducive to carry out voltage detecting exactly.
Compared with prior art, the utility model provide based on unmanned plane battery core temperature sensing circuit, by with battery
Group is connected with main control module, and main control module connects a NTC（Negative tempperature coefficient thermistor）, utilize NTC thermistor
Temperature rise resistance reduce characteristic, be monitored come the temperature to battery core, be in particular, when battery pack temperature rise
When, NTC resistance is reduced with the change of temperature, and VDD is by first resistor, now, and the voltage of NTC and second resistance is also therewith
Change, main control module detects the voltage change of second resistance, just knows the change of temperature, when judging that temperature is too high, main
Control module sends a signal to alarm module and display module, and alarm module alarm points out staff, display module is shown specifically
Temperature value, to give staff one offer reference, staff can the situation of electrolytic cell in time, find early
Battery failures, improve the service life of battery, reduce the unmanned plane equipment fault caused by battery pack, also ensure that nobody
The service behaviour of machine.
Referring to Fig. 2, in the present embodiment, main control module U1 uses HT50F51 chips, 3rd resistor R3 and the first electric capacity
C1 is electrically connected with main control module U1 AN6 pins simultaneously, and main control module U1 AN0-AN5 pins are electrically connected with battery pack respectively,
Main control module U1 VSS ground connection, the second electric capacity C2 that capacitance is 104 is also associated with main control module U1 vdd terminal and VSS ends,
Second electric capacity C2 provides the effect of a filtering for main control module U1 here.
Referring to Fig. 3, in the present embodiment, alarm module U3 includes buzzer F, the 4th resistance R4, triode Q1 and the
Five resistance R5, the 4th resistance R4 one end connection main control module U1 PA1 pins, other end connecting triode Q1 base stage, three poles
Pipe Q1 emitter stage meets power supply VCC, and colelctor electrode connects the 5th resistance R5, and buzzer F one end connects the 5th resistance R5, another termination
Ground, in the present embodiment, the 4th resistance R4 are 4.7K Ω, and the 5th resistance R5 uses 331 Ω resistance, when alarm module U3 connects
Receive after signal, buzzer F sends sound and alarmed.
Referring to Fig. 4, in this example it is shown that module U4 includes LED display and LED drive circuit, LED driving electricity
Road is connected with LED display, and LED drive circuit is also electrically connected with main control module U1, the model FDJ-121 of LED display,
AN1, AN3, AN4, AN6, PA0, AN5, the AN2 of F, C, D, E, G, A, B and R pin of LED display respectively with main control module U1
With AN0 electrical connections, LED drive circuit is made up of three transistor circuits, triode Q2, triode Q3 and triode Q4 transmitting
Pole is electrically connected after connecting the tenth resistance R10, the 8th resistance R8 and the 12nd resistance R12 respectively with VDD, and colelctor electrode respectively with
D2, D1 and D3 electrical connection of LED display, triode Q2 base stage connect the COM1 electricity after the 9th resistance R9 with main control module U1
Connection, triode Q3 base stage is electrically connected after connecting the 11st resistance R11 with main control module U1 COM3, triode Q4 base stage
Electrically connected after connecting the 11st resistance R11 with main control module U1 COM2, pass through main control module U1 control LED drive circuit
Break-make, in the present embodiment, the 8th resistance R8, the tenth resistance R10 and the 12nd resistance R12 resistance are 2.2K Ω, the 7th electricity
The resistance for hindering R7, the 9th resistance R9 and the 11st resistance R11 is 4.7K Ω.In the present embodiment, electricity is shown on LED display
The temperature for the battery pack that core temperature sensing circuit is monitored, when there is abnormality, can also be alarmed on LED display
Backlight on display, such as LED display does not stop flicker or other display modes.
Referring to Fig. 5, in the present embodiment, key control circuit U5 is also associated with main control module U1, by key control electricity
Be provided with the U5 of road in multiple buttons, the present embodiment and be provided with four buttons, be respectively the first button SW1, the second button SW2,
3rd button SW3 and the 4th button SW4, four buttons distinguish one end ground connection, and the other end connects resistance all for 2.7K Ω's respectively
Respectively with main control module U1's after 13rd resistance R13, the 14th resistance R14, the 15th resistance R15 and the 16th resistance R16
PB6, PB5, PA3 and RES are electrically connected, and are by main control module although key control circuit U5 is connected with main control module U1
U1 control display modules U4 dispaly state, and alarm removing is carried out to alarm module U3, when alarm module U3 sends alarm
Afterwards, it is necessary to be purged by button, the first button SW1 in this implementation is the Push And Release button of LED display, the second button
SW2 is that LED display brightness is lightened, the 3rd button SW3 is that LED display brightness is dimmed, and the 4th button SW4 is alarm module U3
Alarm key is eliminated, after alarm is released, battery core temperature detecting module U2 continues to supervise the voltage on each battery battery core
Survey.
Advantage of the present utility model is：
1）The battery core temperature sensing circuit based on unmanned plane that the utility model is provided, battery pack is connected by main control module
Two ends, and on main control module connect a RC circuit after be connected with NTC, using NTC thermistor with the rise of temperature
The characteristic of reduction, detects the temperature of battery pack, and whole battery core detects the simple in construction of circuit, and component is few, is not take up too many
Space, without too many production cost, is implemented easily；
2）When the rated voltage contrast in the voltage and main control module for the second resistance that battery core temperature road is detected has exception
When, that is, prove that the temperature Jing Guo battery pack is too high, main control module sends a signal to alarm module and alarmed, so as to remind work
Personnel are handled or changed in time battery, and display module is also under the control of main control module, simultaneous display battery pack
Temperature, allows the operator to judge in time the working condition of battery pack, pinpoints the problems in time and solve problem, reduce because of electricity
Unmanned plane equipment fault caused by the group of pond, improves the service life of battery, also ensure that the service behaviour of unmanned plane.
Disclosed above is only several specific embodiments of the present utility model, but the utility model is not limited to this,
The changes that any person skilled in the art can think of should all fall into protection domain of the present utility model.
Claims (6)
1. one kind is based on unmanned plane battery core temperature sensing circuit, it is characterised in that including first resistor, NTC, second resistance, the
Three resistance and the first electric capacity, the two ends of the first resistor connect VDD and NTC respectively, and the other end of the NTC connects the simultaneously
Two resistance and 3rd resistor, the second resistance are also connected to ground, and while the 3rd resistor is with the first capacitance connection, are also connected
Main control module is connect, described first electric capacity one end is connected with 3rd resistor and main control module simultaneously, the other end ground connection of the first electric capacity,
The 3rd resistor constitutes the RC circuits being connected with main control module with the first electric capacity, and the main control module is electrically connected with battery pack,
Also electrically connected with display module and alarm module.
2. according to claim 1 be based on unmanned plane battery core temperature sensing circuit, it is characterised in that the main control module is adopted
HT50F51 chips are used, 3rd resistor is electrically connected with the AN6 pins of main control module simultaneously with the first electric capacity, the AN0- of main control module
AN5 pins are electrically connected with the voltage detection module of battery pack respectively, the VSS ground connection of the main control module, in the VDD of main control module
End is also associated with the second electric capacity with VSS ends.
3. according to claim 1 be based on unmanned plane battery core temperature sensing circuit, it is characterised in that the alarm module bag
Buzzer, the 4th resistance, triode and the 5th resistance are included, described 4th resistance one end connects main control module, other end connection three
The base stage of pole pipe, the emitter stage of the triode meets power supply VCC, and colelctor electrode connects the 5th resistance, buzzer one end connection
5th resistance, other end ground connection.
4. according to claim 1 be based on unmanned plane battery core temperature sensing circuit, it is characterised in that the display module bag
Include LED display and LED drive circuit, the LED drive circuit is connected with LED display, the LED drive circuit also with master
Control module electrical connection.
5. according to claim 1 be based on unmanned plane battery core temperature sensing circuit, it is characterised in that the main control module is also
Electrically connect, be provided with the key-press module after multiple buttons, one divider resistance of each button connection and master with key-press module
Control module electrical connection.
6. according to claim 1 be based on unmanned plane battery core temperature sensing circuit, it is characterised in that the main control module is also
Electrically connected with wireless communication module, the wireless communication module also with Terminal Server Client wireless telecommunications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006303.3U CN206362910U (en) | 2017-01-04 | 2017-01-04 | Battery core temperature sensing circuit based on unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006303.3U CN206362910U (en) | 2017-01-04 | 2017-01-04 | Battery core temperature sensing circuit based on unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206362910U true CN206362910U (en) | 2017-07-28 |
Family
ID=59378720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720006303.3U Expired - Fee Related CN206362910U (en) | 2017-01-04 | 2017-01-04 | Battery core temperature sensing circuit based on unmanned plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206362910U (en) |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |