CN209402183U - Afterflow device and unmanned aerial vehicle power supply system - Google Patents
Afterflow device and unmanned aerial vehicle power supply system Download PDFInfo
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- CN209402183U CN209402183U CN201822063660.0U CN201822063660U CN209402183U CN 209402183 U CN209402183 U CN 209402183U CN 201822063660 U CN201822063660 U CN 201822063660U CN 209402183 U CN209402183 U CN 209402183U
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- 230000001681 protective effect Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000004065 semiconductor Substances 0.000 description 12
- 230000005611 electricity Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 206010063493 Premature ageing Diseases 0.000 description 1
- 208000032038 Premature aging Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000024241 parasitism Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a follow current device, which comprises a battery pack, an electric control switch module, a physical switch and an output end; the electric control switch module comprises at least two switch units which are connected in parallel, one end of each switch unit which is connected in parallel is connected with the battery pack through the physical switch, and the other end of each switch unit which is connected in parallel is connected with the output end; when the physical switch is closed, the switch unit is closed under the action of the battery pack, so that the current of the battery pack flows to the output end through the electronic switch module. The follow current device can control power supply output through the electric control switch module. The electronic control switch module comprises switch units connected in parallel, and the switch units can be opened under the action of the battery pack. The plurality of switch units are connected in parallel, so that the current distributed to each switch unit can be reduced, the working strength of each switch unit can be reduced, the heat productivity of each switch unit is reduced, the switch units are prevented from being aged prematurely, and the service life is prolonged.
Description
Technical field
The utility model relates to field of batteries, more particularly to current following device and unmanned plane power supply system.
Background technique
Unmanned plane is usually used in using the not manned aircraft of radio robot and the presetting apparatus provided for oneself manipulation
Take photo by plane, express transportation, fields, the purposes such as mapping it is very extensive.In general, unmanned plane is powered using lithium ion battery.Due to lithium from
The capacity of sub- battery is limited, cannot achieve prolonged stagnant empty flight, often to land and replace battery, therefore can be filled using afterflow
It is set to unmanned plane power supply.
Traditional current following device will use electromagnetic relay control for electricity output, when unmanned plane is under non-job state,
Electromagnetic relay is disconnected to stop being powered unmanned plane, when unmanned plane is under job state, electromagnetic relay conducting
To be powered to unmanned plane.
Utility model people has found that unmanned plane power is larger during realizing traditional technology, and the electric current needed is larger.If
It is controlled and is powered using relay, then required electromagnetic relay volume is larger.And the physical characteristic of electromagnetic relay determine after
Appliance contact easily causes loss, influences service using life in high current.
Utility model content
Based on this, it is necessary to aiming at the problem that easily causing loss to influence service life when electromagnetic relay is in high current, mention
For a kind of current following device and unmanned plane power supply system.
A kind of current following device, including battery pack, electric-controlled switch module, physical switch, output end；
The electric-controlled switch module includes at least two switch units in parallel, and switch unit one end of the parallel connection passes through
The physical switch connects the battery pack, and the other end connects the output end；
When physical switch closure, the switch unit is closed under the action of the battery pack, so that the electricity
The electric current of pond group flows to the output end by the electronic switch module.
The battery pack includes positive input terminal and negative input terminal, the output in one of the embodiments,
End includes positive output terminals and negative output terminals, and the positive input terminal connects the positive output terminals, described negative
Pole input terminal connects the negative output terminals by the switch unit of the parallel connection.
The switch unit includes control terminal, the first pole and the second pole in one of the embodiments, and the control terminal is logical
It crosses the physical switch and connects the positive input terminal, the first order connects the negative input terminal, second pole
Connect the negative output terminals.
The electric-controlled switch module includes first switch unit, second switch unit, third in one of the embodiments,
Switch unit and the 4th switch unit；
The first switch unit includes transistor Q1, and the second switch unit includes transistor Q2, and the third is opened
Closing unit includes transistor Q3, and the 4th switch unit includes transistor Q4, the transistor Q1, the transistor Q2, institute
It states transistor Q3 and passes through the physical switch with the control terminal of the transistor Q4 and connect the positive input terminal, the crystalline substance
Body pipe Q1, the transistor Q2, the transistor Q3 and the transistor Q4 the first pole be all connected with the negative input terminal,
The transistor Q1, the transistor Q2, the transistor Q3 and the transistor Q4 to be all connected with the cathode defeated for the second pole
Terminal out.
It in one of the embodiments, further include multiple protective resistances, one end of each protective resistance respectively corresponds
The control terminal of each switch unit is connected, the other end passes through the physical switch and connects the positive input terminal.
It in one of the embodiments, further include multiple bleeder resistances, one end of each bleeder resistance respectively corresponds
The control terminal of each switch unit is connected, the other end is correspondingly connected with the first pole of the switch unit.
It in one of the embodiments, further include balance module, balance module one end connection charging access port is another
End connects the battery pack, the voltage for single battery in the balanced battery pack.
The current following device includes printed circuit board in one of the embodiments, the side of the printed circuit board or
Two sides, which have, applies copper coating.
A kind of unmanned plane power supply system, including aforementioned current following device.
Unmanned plane power supply system further includes unmanned plane in one of the embodiments, and the unmanned plane includes control device,
The output end of the current following device is connected to the control device by conducting wire.
Above-mentioned current following device uses included battery pack for electrical appliance power supply, supplies by the way that electric-controlled switch module is controllable
Electricity output.Electric-controlled switch module includes switch unit in parallel, and switch unit can be opened under the action of battery pack.Due to multiple
Switch unit is connected in parallel, therefore when the damage of one of switch unit, does not influence the work of other switch units, and switch single
Member is contactless, will not cause to be lost to switch unit.The parallel connection of multiple switch unit can reduce the electricity of distribution to each switch unit
Stream, so as to reduce the working strength of each switch unit, reduces the calorific value of each switch unit, avoids switch unit mistake
Early aging, prolongs the service life.
Detailed description of the invention
Fig. 1 is the current following device module diagram that one embodiment of the application provides；
Fig. 2 is the current following device circuit structure diagram that one embodiment of the application provides.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment is not to be to limit the utility model.
As described in background, current following device must have switch, even if being connected with controlling unmanned plane under non-job state
Electric energy can not also be obtained by connecing current following device.In general, current following device is controlled using electromagnetic relay for electricity output, but due to unmanned plane
Required electric current is larger, therefore the electric current of electromagnetic relay output is also very big, and control of the biggish surge current to unmanned plane
Electric module interferes, and influences the use of unmanned plane, and high current is easy to generate loss to the contact of electromagnetic relay, influences to continue
Flow the service life of device.
Therefore, in view of the above-mentioned problems, one embodiment of the application proposes a kind of current following device, including battery pack 100, electricity
Control switch module 200, physical switch 300 and output end 400.Wherein, battery pack 100 includes the single battery of multiple parallel connections, more
A battery parallel connection can increase the capacity of battery pack.Electric-controlled switch module 200 includes the switch unit of multiple parallel connections, switch unit
One end passes through physical switch 300 and is connected to battery pack 100, and the other end is all connected with output end 400.When physical switch 300 is closed
When, switch unit is closed under the voltage effect of battery pack 100, and the electric energy for the battery pack 100 for being passes through electronic switch module 200
It is output to the outside with output end 400.
Specifically, current following device is used to power for external electrical appliance, in the present embodiment, it is mainly used for as unmanned plane power supply.
The battery pack 100 of current following device is the battery of current following device itself, the supplying cell not carried on unmanned plane.Current following device
Battery pack 100 is used to power when the supplying cell electric energy deficiency on unmanned plane for unmanned plane, to improve the continuation of the journey energy of unmanned plane
Power.Battery pack in the present embodiment can be lithium battery group.
Electric-controlled switch module 200 be used for control battery pack 100 for electricity output.Electric-controlled switch module 200 include it is multiple simultaneously
The switch unit of connection, when physical switch 300 is closed, battery pack 100 can control each switching means conductive, and then battery pack
100 electric energy can be transmitted to output end 400 by switch unit.Wherein, physical switch 300 can be key switch etc..Due to
Using switch unit in parallel, when the damage of one of switch unit, remaining switch unit can still work, and not influence to power
Output.
Current following device provided by the above embodiment uses included battery pack for electrical appliance power supply, passes through electric-controlled switch
Module is controllable for electricity output.Electric-controlled switch module includes switch unit in parallel, and switch unit can be under the action of battery pack
It opens.Since multiple switch unit is connected in parallel, when one of switch unit damages, other switch units are not influenced
Work, and switch unit is contactless, will not cause to be lost to switch unit.The parallel connection of multiple switch unit, which can reduce, to distribute to each
The electric current of switch unit reduces the calorific value of each switch unit, keeps away so as to reduce the working strength of each switch unit
Exempt from switch unit premature aging, prolongs the service life.
Battery pack includes positive input terminal and negative input terminal in one of the embodiments,.Output end includes just
Pole output terminal and negative output terminals.Positive input terminal is connected to the positive output terminals, negative input terminal connection
One end of physical switch, a points of common connection of the other end connection of physical switch switch unit in parallel, switch in parallel
Another points of common connection of unit connects negative output terminals.
Further, switch unit includes the first pole of control terminal and the second pole.The control terminal of each switch unit passes through object
Reason switch connection positive input terminal, the first pole connect negative input terminal, and the second pole connects negative output terminals.When physics is opened
When closing conjunction, the control terminal of each switch unit can be connected under the effect of the voltage of battery pack, and then the electric current of battery pack can
Output end is flowed to by switch unit.In the present embodiment, switch unit can be Metal Oxide Semiconductor Field Effect Transistor
(metal oxide semiconductor, metal-oxide-semiconductor), control terminal can be the grid of transistor, and the first pole can be transistor
Source electrode, the second pole can be the drain electrode of transistor.
Fig. 2 is referred to, electric-controlled switch module may include four switch units, and respectively first switch unit, second opens
Close unit, third switch unit and the 4th switch unit.Wherein, first switch unit includes transistor Q1, second switch unit
Including transistor Q2, third switch unit includes transistor Q3, and the 4th switch unit includes transistor Q4.Transistor Q1, crystal
Pipe Q2, transistor Q3 and the control terminal of transistor Q4 pass through physical switch and connect positive input terminal, transistor Q1, transistor
The first pole of Q2, transistor Q3 and transistor Q4 are all connected with negative input terminal, transistor Q1, the transistor Q2, transistor
The second pole of Q3 and transistor Q4 is all connected with the negative output terminals.In the present embodiment, transistor Q1, transistor Q2, crystal
Pipe Q3 and transistor Q4 is N-channel transistor, therefore control terminal connects positive input terminal, can be led under high level effect
It is logical.In other embodiments, transistor Q1, transistor Q2, transistor Q3 and transistor Q4 can also be p channel transistor, when for P
When channel transistor, control terminal is all connected with negative input terminal, for being connected in the case where low level acts on.
Certainly, electronic control module may also comprise more than four switch unit, as long as in parallel between multiple switch unit and switch
The type of unit is identical.
It is in parallel that electric-controlled switch module in the present embodiment uses multiple high-power MOS tubes, when high-power MOS tube works without
Noise is quick on the draw.Since metal-oxide-semiconductor does not have mechanical movement, spark will not be generated, and metal-oxide-semiconductor will not generate interference letter
Number, and then will not influence the flight control modules of unmanned plane.Multiple metal-oxide-semiconductors are in parallel, will not if one of metal-oxide-semiconductor damages
Lead to overall failure, electric current can be distributed to other metal-oxide-semiconductors, guaranteed that power supply persistently exports, do not impacted to unmanned plane.
Further, current following device further includes multiple protective resistances, and one end of each protective resistance is connected respectively often
The control terminal of a switch unit, the other end of each protective resistance connect the electrode input end of battery pack by physical switch
Son.
In the present embodiment, protective resistance can there are four, including resistance R1, resistance R2, resistance R3 and resistance R4.Resistance
R1, resistance R2, resistance R3, resistance R4 one end be connected respectively to connection transistor Q1, transistor Q2, transistor Q3, crystalline substance
The control terminal of body pipe Q4, the other end are connected to one end of physical switch.Protective resistance can protect transistor will not be in high-pressure situations
It is lower cause because switching rate is too fast it is breakdown.
Current following device further includes multiple bleeder resistances, and one end of each bleeder resistance is connected respectively each switch unit
Control terminal, the other end is correspondingly connected with the first pole of switch unit.
In the present embodiment, bleeder resistance can there are four, including resistance R5, resistance R6, resistance R7 and resistance R8.Resistance
R5, resistance R6, resistance R7 and resistance R8 one end be connected respectively to connection transistor Q1, transistor Q2, transistor Q3, crystalline substance
The control terminal of body pipe Q4, the other end be connected respectively to transistor Q1, transistor Q2, transistor Q3, transistor Q4 first
The source electrode of pole namely transistor.Bleeder resistance can release electrostatic a small amount of between grid and source electrode, prevent metal-oxide-semiconductor attonity
Metal-oxide-semiconductor is caused punch through, while bias voltage can also be provided for metal-oxide-semiconductor.
Current following device can be printed circuit board, and above-mentioned component is all set on printed circuit board.Printed circuit board
Deposited copper coating can be set on one side or two sides.When flowing through high current due to metal-oxide-semiconductor, because there is parasitism in inside
Diode can generate heat, therefore can be radiated using copper coating is applied when equivalent resistance passes through electric current.
In one of the embodiments, continuing with referring to Fig. 1, current following device further includes balance module 500.Balance module one
End connection charging access port 600, the other end connect battery pack 100, the electricity for single battery in the balanced battery pack 100
Pressure.Wherein, charging input end 600 is for connecting external power supply as the charging of battery pack 100.
One embodiment of the application provides a kind of unmanned plane power supply system, including current following device above-mentioned.Unmanned plane supplies
Electric system further includes unmanned plane, is equipped with control device in unmanned plane, aforementioned current following device is connected to the control of unmanned plane by conducting wire
Device processed is powered for unmanned plane.
In the present embodiment, current following device is installed on ground, and is connected to unmanned plane by conducting wire.When unmanned plane needs long
Between stagnant empty flight when, the battery pack of current following device can carry out long-time power supply for unmanned plane, meet unmanned plane stagnant sky for a long time
When continuation of the journey demand.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of current following device, which is characterized in that including battery pack, electric-controlled switch module, physical switch, output end；
The electric-controlled switch module includes at least two switch units in parallel, and switch unit one end of the parallel connection passes through described
Physical switch connects the battery pack, and the other end connects the output end；
When physical switch closure, the switch unit is closed under the action of the battery pack, so that the battery pack
Electric current flow to the output end by the electric-controlled switch module.
2. current following device according to claim 1, which is characterized in that the battery pack includes positive input terminal and cathode
Input terminal, the output end include positive output terminals and negative output terminals, and the positive input terminal connection is described just
Pole output terminal, the negative input terminal connect the negative output terminals by the switch unit of the parallel connection.
3. current following device according to claim 2, which is characterized in that the switch unit include control terminal, the first pole and
Second pole, the control terminal connect the positive input terminal by the physical switch, and first pole connects the cathode
Input terminal, second pole connect the negative output terminals.
4. current following device according to claim 3, which is characterized in that the electric-controlled switch module includes first switch list
Member, second switch unit, third switch unit and the 4th switch unit；
The first switch unit includes transistor Q1, and the second switch unit includes transistor Q2, and the third switch is single
Member includes transistor Q3, and the 4th switch unit includes transistor Q4, the transistor Q1, the transistor Q2, the crystalline substance
Body pipe Q3 passes through the physical switch with the control terminal of the transistor Q4 and connects the positive input terminal, the transistor
Q1, the transistor Q2, the transistor Q3 and the transistor Q4 the first pole be all connected with the negative input terminal, it is described
Transistor Q1, the transistor Q2, the transistor Q3 and the transistor Q4 the second pole be all connected with the cathode output end
Son.
5. current following device according to claim 3, which is characterized in that it further include multiple protective resistances, each protection
One end of resistance is connected respectively the control terminal of each switch unit, and the other end passes through physical switch connection institute
State positive input terminal.
6. current following device according to claim 5, which is characterized in that it further include multiple bleeder resistances, it is each described to release
One end of resistance is connected respectively the control terminal of each switch unit, and the other end is correspondingly connected with the of the switch unit
One pole.
7. current following device according to claim 1, which is characterized in that it further include balance module, described balance module one end
Connection charging access port, the other end connect the battery pack, the voltage for single battery in the balanced battery pack.
8. current following device according to claim 1, which is characterized in that the current following device includes printed circuit board, described
The one or both sides of printed circuit board, which have, applies copper coating.
9. a kind of unmanned plane power supply system, which is characterized in that including current following device of any of claims 1-8.
10. unmanned plane power supply system according to claim 9, which is characterized in that it further include unmanned plane, the unmanned plane packet
Control device is included, the output end of the current following device is connected to the control device by conducting wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822063660.0U CN209402183U (en) | 2018-12-10 | 2018-12-10 | Afterflow device and unmanned aerial vehicle power supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822063660.0U CN209402183U (en) | 2018-12-10 | 2018-12-10 | Afterflow device and unmanned aerial vehicle power supply system |
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| CN209402183U true CN209402183U (en) | 2019-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659993A (en) * | 2018-12-10 | 2019-04-19 | 深圳供电局有限公司 | Afterflow device and unmanned aerial vehicle power supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659993A (en) * | 2018-12-10 | 2019-04-19 | 深圳供电局有限公司 | Afterflow device and unmanned aerial vehicle power supply system |
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