CN110474529A - A kind of power supply circuit, battery and aircraft - Google Patents
A kind of power supply circuit, battery and aircraft Download PDFInfo
- Publication number
- CN110474529A CN110474529A CN201910722707.6A CN201910722707A CN110474529A CN 110474529 A CN110474529 A CN 110474529A CN 201910722707 A CN201910722707 A CN 201910722707A CN 110474529 A CN110474529 A CN 110474529A
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- Prior art keywords
- sectional pressure
- pressure element
- electrically connected
- voltage
- power supply
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 49
- 239000003990 capacitor Substances 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of power supply circuit, battery and aircraft, wherein power supply circuit is used to be electrically connected with external voltage input end and voltage output end comprising filter circuit, auxiliary voltage regulator circuit and voltage stabilizing chip；Assisting voltage regulator circuit includes the first sectional pressure element, the second sectional pressure element, first switching element and second switch element；The input terminal of filter circuit is electrically connected with voltage input end, and the output end of filter circuit is electrically connected with the first end of the first sectional pressure element, the first end of the second sectional pressure element, the first end of first switching element；The second end of first sectional pressure element is electrically connected with the input terminal of the control terminal of first switching element, the control terminal of second switch element, voltage stabilizing chip, and the second end of the second sectional pressure element is electrically connected with the first end of second switch element；The second end of second switch element is electrically connected with the input terminal of voltage stabilizing chip；The second end of first switching element is electrically connected with the output pin of voltage stabilizing chip and voltage output end.
Description
Technical field
The present invention relates to circuit protection field more particularly to a kind of power supply circuits, battery and aircraft.
Background technique
Traditional LDO power supply circuit is used to load system and provides stable system voltage, due to being linear voltage stabilization
Principle, so can sacrifice part energy is converted to heat, power supply in this way transfer efficiency it is relatively low.Work as load
When the power consumption of system increases, also it will increase by the energy that LDO chip is lost, therefore which is not suitable for larger power consumption
System power supply.
Therefore, the current supply loss and power supplying and heating of traditional LDO power supply circuit how are reduced, power supply efficiency is improved, to meet
The power demand of big power consumption system, is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The main purpose of the present invention is to provide a kind of power supply circuit, battery and aircraft, it is desirable to provide a kind of power supply damage
Consumption is smaller, generates heat less, and efficiency is higher, can satisfy the power supply circuit of the power demand of big power consumption system and provides a kind of tool
There are the battery and aircraft of the power supply circuit.
To achieve the above object, the present invention provides a kind of power supply circuit, for defeated with external voltage input end and voltage
Outlet electrical connection, the power supply circuit include:
Filter circuit, auxiliary voltage regulator circuit and voltage stabilizing chip；
The auxiliary voltage regulator circuit is opened including the first sectional pressure element, the second sectional pressure element, first switching element and second
Close element；
The input terminal of the filter circuit is electrically connected with the voltage input end, the output end of the filter circuit with it is described
The first end of first sectional pressure element, the first end of second sectional pressure element, the electrical connection of the first end of the first switching element；
The control terminal of the second end of first sectional pressure element and the first switching element, the second switch element
The input terminal electrical connection of control terminal, the voltage stabilizing chip, wherein the control terminal of the first switching element can change described the
Resistance value size between the first end of one switch element and the second end of the first switching element, the second switch element
The resistance value that control terminal can change between the first end of the second switch element and the second end of the second switch element is big
It is small；
The second end of second sectional pressure element is electrically connected with the first end of the second switch element；
The second end of the second switch element is electrically connected with the input terminal of the voltage stabilizing chip；
The output pin and voltage output end electricity of the second end of the first switching element and the voltage stabilizing chip
Connection；And the voltage stabilizing chip then controls described defeated when the output voltage for detecting the output pin is greater than predeterminated voltage
The input current for entering pin reduces.
Preferably, the first switching element is metal-oxide-semiconductor；
The first of the first end of the source electrode of the first switching element and first sectional pressure element, the second sectional pressure element
The output end electrical connection at end, filter circuit；
The control of the second end, the second switch element of the grid of the first switching element and first sectional pressure element
The input terminal electrical connection at end, the voltage stabilizing chip processed；
The drain electrode of the first switching element is electrically connected with the output pin of the voltage stabilizing chip, the voltage output end.
Preferably, the second switch element is metal-oxide-semiconductor；
The source electrode of the second switch element is electrically connected with the second end of second sectional pressure element；
The grid of the second end of the grid of the second switch element and first sectional pressure element, the first switching element
The input terminal electrical connection of pole, the voltage stabilizing chip；
The drain electrode of the second switch element is electrically connected with the input terminal of the voltage stabilizing chip.
Preferably, the first switching element and the second switch element are the identical p-type metal-oxide-semiconductor of model.
Preferably, first sectional pressure element and second sectional pressure element are resistance, and first sectional pressure element
Resistance value be greater than second sectional pressure element resistance value.
Preferably, the ratio between the resistance value that the resistance value of first sectional pressure element is greater than second sectional pressure element is greater than or equal to
10。
Preferably, the filter circuit includes first capacitor, the first end of the first capacitor and the voltage input end
Electrical connection, the second end ground connection of the first capacitor.
Preferably, the filter circuit further includes third sectional pressure element, the first end of the third sectional pressure element with it is described
Voltage input end electrical connection, the second end of the third sectional pressure element are electrically connected with the first end of the first capacitor.
Preferably, the voltage stabilizing chip is provided with enabled pin；
The power supply circuit further includes enabled circuit, and the enabled circuit includes the 4th sectional pressure element and the 5th partial pressure member
Part；
The first end of 4th sectional pressure element is electrically connected with the output end of the filter circuit；
The second end of 4th sectional pressure element is electrically connected with the first end of the 5th sectional pressure element and the enabled pin
It connects；
The second end of 5th sectional pressure element is grounded.
The present invention also provides a kind of battery, the battery includes: battery main body and power supply circuit above-mentioned, wherein institute
Battery main body is stated to be electrically connected with the output end of the power supply circuit.
The present invention also provides a kind of aircraft, the aircraft includes:
Fuselage；
Horn is connected with the fuselage；
Power Component is set to the horn, for providing the power of flight to the aircraft；And
Battery above-mentioned, the battery is set to the fuselage and is electrically connected with the Power Component, for the flight
Device provides electric power.
Compared with existing design, power supply circuit provided by the present invention utilizes first switching element Q1 and second switch element
Q2 can according to the internal resistance of the size adjust automatically itself of load current, so as to assist voltage stabilizing chip to export burning voltage,
So that voltage stabilizing chip be lost during operation can it is smaller, generate heat it is less, efficiency is higher, can satisfy the power supply of big power consumption system
Demand.
Detailed description of the invention
Fig. 1 is the modular structure schematic diagram of power supply circuit provided by the invention；
Fig. 2 is the physical circuit schematic diagram of an embodiment of power supply circuit of the invention；
Fig. 3 is the modular structure schematic diagram of another embodiment of power supply circuit provided by the invention；
Fig. 4 is the physical circuit schematic diagram of another embodiment of power supply circuit of the invention；
Fig. 5 is a kind of modular structure schematic diagram of battery provided by the invention；
Fig. 6 is the schematic perspective view of aircraft provided by the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second " are only
For descriptive purposes, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The present invention provides a kind of power supply circuit 10 referring to FIG. 1-2, which is used for and external voltage input
End 20 and voltage output end 30 are electrically connected, and the input voltage V1 of voltage input end 20 is changed into the output of voltage output end 30
Voltage V2, to be load supplying by voltage output end 30, wherein load can be the electrical equipments such as motor, sensor, it can also
To be the power supply units such as dry cell, lithium battery.
Voltage input end 20 is the power input of external power supply equipment, and voltage input end 20 is electrical node, such as
It can be connecting terminal.
Voltage output end 30 is electrical node, and such as connecting terminal, the electric energy after the conversion of power supply circuit 10 is through voltage
The output of output end 30 namely voltage output end 30 can be used as the voltage input end of external electric equipment.
Power supply circuit 10 includes filter circuit 101, auxiliary voltage regulator circuit 102 and voltage stabilizing chip 103.
Specifically, auxiliary voltage regulator circuit 102 includes the first sectional pressure element R1, the second sectional pressure element R2, first switching element
Q1 and second switch element Q2.
The input terminal of filter circuit 101 is electrically connected with voltage input end 20, the output end of filter circuit 101 and the first partial pressure
The first end of element R1, the first end of the second sectional pressure element R2, the electrical connection of the first end of first switching element Q1.First partial pressure member
The input of the control terminal, the control terminal, voltage stabilizing chip 103 of second switch element Q2 of the second end and first switching element Q1 of part R1
End electrical connection.Wherein, the control terminal of first switching element Q1 can change the first end and first switch of first switching element Q1
Resistance value size between the second end of element Q1, when the first end of first switching element Q1 and the second end of first switching element Q1
Between resistance value reach maximum value when, can control first switching element Q1 disconnect namely first switching element Q1 can be according to it
The size of current of control terminal adjusts self-resistance value, so as to adjust the partial pressure of the place first switching element Q1 route.
The control terminal of second switch element Q2 can change the first end and second switch element Q2 of second switch element Q2
Second end between resistance value size, i.e., when between the first end of second switch element Q2 and the second end of second switch element Q2
Resistance value reach maximum value when, can control the second switch element Q2 disconnect namely second switch element Q2 can according to its control
The size of current at end adjusts self-resistance value, so as to adjust the partial pressure of the place second switch element Q2 route.
The second end of second sectional pressure element R2 is electrically connected with the first end of second switch element Q2.
The second end of second switch element Q2 is electrically connected with the input terminal of voltage stabilizing chip 103, i.e., defeated with voltage stabilizing chip 103
Enter pin IN electrical connection.
The second end of first switching element Q1 is electrically connected with the output end of voltage stabilizing chip 103 and voltage output end 30, i.e.,
It is electrically connected with the output pin OUT of voltage stabilizing chip 103, and voltage stabilizing chip 103 is greater than in advance in the voltage for detecting output pin OUT
If when output voltage, then the input current for controlling its input pin IN reduces.
Wherein, first switching element Q1 is metal-oxide-semiconductor；The first of the source electrode of first switching element Q1 and the first sectional pressure element R1
The output end electrical connection at end, the first end of the second sectional pressure element R2, filter circuit 101；The grid of first switching element Q1 and
The input terminal electrical connection of the second end of one sectional pressure element R1, the control terminal of second switch element Q2, voltage stabilizing chip 103；First opens
The drain electrode for closing element Q1 is electrically connected with the output end of voltage stabilizing chip 103, voltage output end 30.
Second switch element Q2 is metal-oxide-semiconductor；The second end of the source electrode of second switch element Q2 and the second sectional pressure element R2 electricity
Connection；Grid, the pressure stabilizing core of the second end of the grid of second switch element Q2 and the first sectional pressure element R1, first switching element Q1
The input terminal of piece 103 is electrically connected；The drain electrode of second switch element Q2 is electrically connected with the input terminal of voltage stabilizing chip 103.
Preferably, first switching element Q1 and second switch element Q2 is the identical metal-oxide-semiconductor of model, the model of the metal-oxide-semiconductor can
To be but be not limited to p-type metal-oxide-semiconductor.
First sectional pressure element R1 and the second sectional pressure element R2 is resistance, and the resistance value of the first sectional pressure element R1 is greater than second
The resistance value of sectional pressure element R2.
Preferably, the ratio between the resistance value of the resistance value of the first sectional pressure element R1 greater than the second sectional pressure element R2 is greater than or equal to 10.
In some embodiments, filter circuit 101 includes first capacitor C1, the first end and voltage input of first capacitor C1
20 electrical connection of end, the second end ground connection of first capacitor C1, to reduce the fluctuation of input voltage.
Preferably, filter circuit 101 further includes third sectional pressure element R3, the first end and voltage of third sectional pressure element R3 is defeated
Enter 20 electrical connection of end, the second end of third sectional pressure element R3 is electrically connected with the first end of first capacitor C1, the third sectional pressure element
R3 is a resistance, forms RC filter circuit using first capacitor C1 and third sectional pressure element R3.
Fig. 3-4 is please referred to, in some embodiments, voltage stabilizing chip 103 is provided with enabled pin EN；Power supply circuit 10 also wraps
Enabled circuit 104 is included, enabling circuit 104 includes the 4th sectional pressure element R4 and the 5th sectional pressure element R5；4th sectional pressure element R4
First end be electrically connected with the output end of filter circuit 101；The second end of 4th sectional pressure element R4 is with the 5th sectional pressure element R5's
First end and the electrical connection of enabled pin；The second end of 5th sectional pressure element R5 is grounded.
4th sectional pressure element R4 and the 5th sectional pressure element R5 is resistance, and resistance value size can according to need setting.
Voltage stabilizing chip 103 is LDO voltage stabilizing chip, and model includes, but are not limited to TPS70933.
In some embodiments, which further includes the second capacitor C2, the first end and voltage of the second capacitor C2
Output end 30 is electrically connected, the second end ground connection of the second capacitor C2.
Referring to Fig. 4, illustratively, when load is powered by the power supply circuit 10, the input voltage of voltage input end 20
For V1, corresponding input current is I, and input current I reaches pressure stabilizing core by filter circuit 101 and the first sectional pressure element R1
Input voltage V1 can be transformed into output voltage V2 so that voltage stabilizing chip 103 works by the input pin IN of piece 103.
Due to the presence of the first sectional pressure element R1, voltage difference △ V is generated at the both ends of the first sectional pressure element R1, if voltage difference
When △ V changes, first switching element Q1 is controlled by control terminal between the first end and second end of first switching element Q1
Resistance value change, second switch element Q2 by control terminal control second switch element Q2 first end and second end between
Resistance value change.
When pressure difference △ V reaches certain value, first switching element Q1 and second switch element Q2 are at half on state.
One part of current reaches voltage output end 30 by the second sectional pressure element R2, first switching element Q1, voltage stabilizing chip 103 at this time,
Another part electric current directly reaches voltage output end 30 by second switch element Q2.
On branch road, due to the presence of the second sectional pressure element R2 current-limiting resistance, second is being flowed through where second sectional pressure element R2
The electric current of switch element Q2 branch can be bigger, and the output voltage V2 that biggish electric current will lead to voltage output end 30 is increased, and
During 103 linear voltage stabilization of voltage stabilizing chip, preset if voltage stabilizing chip 103 detects that the output voltage V2 of its output pin OUT is greater than
When voltage, the input current of input pin IN is reduced, first switching element Q1 first end and second end after input current reduces
Between voltage and second switch element Q2 first end and second end between voltage gradually reduce, first switching element Q1
MOS internal resistance with second switch element Q2 also gradually becomes larger, thus corresponding first switching element Q1 and second switch element Q2
Partial pressure on route increases, final to make output voltage V2 reduction again, so that when power supply circuit 10 that load current is stable
Voltage also can the final stable standard output voltage in voltage stabilizing chip 103.
Since first switching element Q1 and second switch element Q2 can be according to the size adjust automaticallies itself of load current
Internal resistance, therefore voltage stabilizing chip 103 loss can it is smaller, generate heat it is less, efficiency is higher, can satisfy the power supply of big power consumption system
Demand.
Again due to using conventional electronic component to build, circuit is simply easily designed, to a certain extent can be with
The cost of power supply circuit is reduced, provides an inexpensive and practical solution for complication system power supply.
Referring to Fig. 5, the present invention also provides a kind of battery 100, battery 100 include power supply circuit 10 above-mentioned and with confession
The battery main body 40 of the output end electrical connection of circuit 10, wherein battery main body 40 is for storing electric energy.
The battery 100 is electrically connected by the input terminal of power supply circuit 10 with external power supply equipment when in use, passes through outside
Power supply unit is the power supply of battery main body 40.
In some embodiments, battery 100 further includes switch element (not shown) and control assembly (not shown),
In, power supply circuit 10 is electrically connected by switch element with battery main body 40, control assembly and battery main body 40 and switch element
Electrical connection, for detecting the information about power of battery main body 40, and the control switch when the electricity of battery main body 40 reaches preset value
Element disconnects, and to disconnect the connecting path of power supply circuit 10 Yu battery main body 40, avoids 40 overcharge of battery main body.
Referring to Fig. 6, the present invention also provides a kind of aircraft 200, which includes:
Fuselage 50；
Horn 60 is connected with the fuselage 50；
Power Component 70 is set to the horn 60, for providing the power of flight to the aircraft 200；And
Battery 100 above-mentioned, the battery 100 are set to the fuselage 50 and are electrically connected with the Power Component 70, be used for
Electric power is provided to the aircraft 200.
It is appreciated that the aircraft 200 can be single rotor aircraft, it is also possible to multi-rotor aerocraft, does not do herein
It limits.
Compared with existing design, power supply circuit provided by the present invention utilizes first switching element Q1 and second switch element
Q2 can according to the internal resistance of the size adjust automatically itself of load current, so as to assist voltage stabilizing chip to export burning voltage,
So that voltage stabilizing chip be lost during operation can it is smaller, generate heat it is less, efficiency is higher, can satisfy the power supply of big power consumption system
Demand.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of power supply circuit, for being electrically connected with external voltage input end and voltage output end, which is characterized in that the confession
Circuit includes:
Filter circuit, auxiliary voltage regulator circuit and voltage stabilizing chip；
The auxiliary voltage regulator circuit includes the first sectional pressure element, the second sectional pressure element, first switching element and second switch member
Part；
The input terminal of the filter circuit is electrically connected with the voltage input end, the output end of the filter circuit and described first
The first end of sectional pressure element, the first end of second sectional pressure element, the electrical connection of the first end of the first switching element；
The control of the control terminal, the second switch element of the second end and first switching element of first sectional pressure element
The input terminal electrical connection at end, the voltage stabilizing chip, wherein the control terminal of the first switching element can change described first and open
Close the resistance value size between the first end of element and the second end of the first switching element, the control of the second switch element
End can change the resistance value size between the first end of the second switch element and the second end of the second switch element；
The second end of second sectional pressure element is electrically connected with the first end of the second switch element；
The second end of the second switch element is electrically connected with the input terminal of the voltage stabilizing chip；
The second end of the first switching element is electrically connected with the output pin of the voltage stabilizing chip and the voltage output end,
And the voltage stabilizing chip then controls the input pin when the output voltage for detecting the output pin is greater than predeterminated voltage
Input current reduce.
2. power supply circuit as described in claim 1, it is characterised in that: the first switching element is metal-oxide-semiconductor；
The first end of the source electrode of the first switching element and first sectional pressure element, the first end of the second sectional pressure element, filter
The output end of wave circuit is electrically connected；
The control of the second end, the second switch element of the grid of the first switching element and first sectional pressure element
The input terminal electrical connection at end, the voltage stabilizing chip；
The drain electrode of the first switching element is electrically connected with the output pin of the voltage stabilizing chip, the voltage output end.
3. power supply circuit as claimed in claim 2, it is characterised in that: the second switch element is metal-oxide-semiconductor；
The source electrode of the second switch element is electrically connected with the second end of second sectional pressure element；
The second end of the grid of the second switch element and first sectional pressure element, the first switching element grid,
The input terminal of the voltage stabilizing chip is electrically connected；
The drain electrode of the second switch element is electrically connected with the input terminal of the voltage stabilizing chip.
4. power supply circuit as claimed in claim 3, it is characterised in that: the first switching element and the second switch element
For the identical p-type metal-oxide-semiconductor of model.
5. power supply circuit as described in claim 1, it is characterised in that: first sectional pressure element and second sectional pressure element
It is resistance, and the resistance value of first sectional pressure element is greater than the resistance value of second sectional pressure element.
6. power supply circuit as claimed in claim 5, it is characterised in that: the resistance value of first sectional pressure element is greater than described second
The ratio between resistance value of sectional pressure element is greater than or equal to 10.
7. power supply circuit as claimed in any one of claims 1 to 6, it is characterised in that:
The filter circuit includes first capacitor, and the first end of the first capacitor is electrically connected with the voltage input end, described
The second end of first capacitor is grounded.
8. power supply circuit as claimed in claim 7, it is characterised in that: the filter circuit further includes third sectional pressure element, institute
The first end for stating third sectional pressure element is electrically connected with the voltage input end, the second end of the third sectional pressure element and described the
The first end of one capacitor is electrically connected.
9. power supply circuit as claimed in any one of claims 1 to 6, it is characterised in that:
The voltage stabilizing chip is provided with enabled pin；
The power supply circuit further includes enabled circuit, and the enabled circuit includes the 4th sectional pressure element and the 5th sectional pressure element；
The first end of 4th sectional pressure element is electrically connected with the output end of the filter circuit；
The second end of 4th sectional pressure element is electrically connected with the first end of the 5th sectional pressure element and the enabled pin；
The second end of 5th sectional pressure element is grounded.
10. a kind of battery, which is characterized in that the battery includes:
Battery main body, and
Power supply circuit as described in any one of claims 1-9, wherein the output of the battery main body and the power supply circuit
End electrical connection.
11. a kind of aircraft, which is characterized in that the aircraft includes:
Fuselage；
Horn is connected with the fuselage；
Power Component is set to the horn, for providing the power of flight to the aircraft；And
Battery as claimed in claim 10, the battery is set to the fuselage and is electrically connected with the Power Component, for giving
The aircraft provides electric power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910722707.6A CN110474529B (en) | 2019-08-06 | 2019-08-06 | Power supply circuit, battery and aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910722707.6A CN110474529B (en) | 2019-08-06 | 2019-08-06 | Power supply circuit, battery and aircraft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110474529A true CN110474529A (en) | 2019-11-19 |
| CN110474529B CN110474529B (en) | 2024-09-17 |
Family
ID=68510226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910722707.6A Active CN110474529B (en) | 2019-08-06 | 2019-08-06 | Power supply circuit, battery and aircraft |
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| Country | Link |
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| CN (1) | CN110474529B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780213A (en) * | 2012-06-04 | 2012-11-14 | 上海斐讯数据通信技术有限公司 | Protection circuit of LDO (low dropout regulator) |
| CN108649663A (en) * | 2018-07-04 | 2018-10-12 | 深圳市道通智能航空技术有限公司 | Pressure limiting power supply circuit and electronic equipment |
| CN109195259A (en) * | 2018-09-30 | 2019-01-11 | 惠州三华工业有限公司 | Mix light adjusting circuit and light adjusting system |
| CN211127576U (en) * | 2019-08-06 | 2020-07-28 | 深圳市道通智能航空技术有限公司 | Power supply circuit, battery and aircraft |
-
2019
- 2019-08-06 CN CN201910722707.6A patent/CN110474529B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780213A (en) * | 2012-06-04 | 2012-11-14 | 上海斐讯数据通信技术有限公司 | Protection circuit of LDO (low dropout regulator) |
| CN108649663A (en) * | 2018-07-04 | 2018-10-12 | 深圳市道通智能航空技术有限公司 | Pressure limiting power supply circuit and electronic equipment |
| CN109195259A (en) * | 2018-09-30 | 2019-01-11 | 惠州三华工业有限公司 | Mix light adjusting circuit and light adjusting system |
| CN211127576U (en) * | 2019-08-06 | 2020-07-28 | 深圳市道通智能航空技术有限公司 | Power supply circuit, battery and aircraft |
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|---|---|
| CN110474529B (en) | 2024-09-17 |
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