CN204947710U - Unmanned plane power-off landing-gear - Google Patents
Unmanned plane power-off landing-gear Download PDFInfo
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- CN204947710U CN204947710U CN201520643123.7U CN201520643123U CN204947710U CN 204947710 U CN204947710 U CN 204947710U CN 201520643123 U CN201520643123 U CN 201520643123U CN 204947710 U CN204947710 U CN 204947710U
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- unmanned plane
- voltage
- comparator
- landing
- resistance
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Abstract
The utility model discloses a kind of unmanned plane power-off landing-gear, comprise voltage collector, normal voltage memory, comparator, switching circuit, stand-by power supply and unmanned plane actuating unit; Described voltage collector is for gathering the voltage of unmanned plane battery case, and described normal voltage memory is for storing a standard voltage signal; Described voltage collector is all connected with comparator with normal voltage memory.The employing stand-by power supply of the utility model innovation, when unmanned plane primary power source de-energizes, stand-by power supply is enabled, and uses for unmanned plane landing, has simple, the convenient and advantage of practicality of structure.
Description
Technical field
The utility model relates to unmanned air vehicle technique field, particularly relates to a kind of unmanned plane power-off landing-gear.
Background technology
Unmanned plane is the not manned aircraft utilizing radio robot to handle with the presetting apparatus provided for oneself.Unmanned plane+sector application is the real firm need of unmanned plane, at present taking photo by plane, agricultural plant protection, the field such as mapping application, expanded the purposes of unmanned plane itself greatly.Unmanned plane is rely on the battery on it to carry out powering in use, when battery electric quantity is used up, will carry out power-off to unmanned plane.And if now unmanned plane also flies aloft, unmanned plane will be caused to break damage.Therefore, be necessary to design a kind of landing-gear that can not damage nobody when unmanned plane power-off.
Utility model content
The utility model mainly solves technical problem existing in prior art, thus provides a unmanned plane power-off landing-gear that stand-by power supply can be provided when unmanned plane power-off to carry out landing to make unmanned plane.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of unmanned plane power-off landing-gear that the utility model provides,
A kind of unmanned plane power-off landing-gear, comprises voltage collector, normal voltage memory, comparator, switching circuit, stand-by power supply and unmanned plane actuating unit; Described voltage collector is for gathering the voltage of unmanned plane battery case, and described normal voltage memory is for storing a standard voltage signal; Described voltage collector is all connected with comparator with normal voltage memory;
Described switching circuit comprises resistance, triode and relay, described resistance one end is connected with the output of comparator, its other end is connected with the base stage of triode, the grounded emitter of described triode, its collector electrode is connected with main coil one end of relay, the main coil other end of described relay is connected with power vd D, and the main contacts of described relay connects stand-by power supply and unmanned plane actuating unit respectively.
Further, described voltage collector comprises the second resistance, the 3rd resistance and follower, and described second resistance one end connects the output of unmanned plane battery case, and its other end is connected with the input anode of follower; One end of described 3rd resistance is connected with the input anode of follower, its other end ground connection; The input cathode of described follower is also connected with its output, and the output of follower is also connected with comparator.
Further, described comparator is single-chip microcomputer.
The beneficial effects of the utility model are: the employing stand-by power supply of the utility model innovation, and when unmanned plane primary power source de-energizes, stand-by power supply is enabled, and use for unmanned plane landing, have simple, the convenient and advantage of practicality of structure.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of unmanned plane power-off landing-gear of the present utility model.
Fig. 2 is the circuit diagram of voltage collector in unmanned plane power-off landing-gear of the present utility model.
Description of reference numerals: 1, voltage collector, 2, normal voltage memory, 3, stand-by power supply, 4, unmanned plane actuating unit.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Consult shown in Fig. 1, the utility model provides a kind of unmanned plane power-off landing-gear, comprises voltage collector 1, normal voltage memory 2, comparator U1, switching circuit, stand-by power supply 3 and unmanned plane actuating unit 4.
In the utility model, described voltage collector 1 is for gathering the voltage of unmanned plane battery case, and normal voltage memory 2 is for storing a standard voltage signal; Voltage collector 1 is all connected with comparator U1 with normal voltage memory 2.
In the utility model, described switching circuit comprises resistance R1, triode Q1 and relay K 1, resistance R1 one end is connected with the output of comparator U1, its other end is connected with the base stage of triode Q1, the grounded emitter of triode Q1, its collector electrode is connected with main coil one end of relay K 1, and the main coil other end of relay K 1 is connected with power vd D, and the main contacts of relay K 1 connects stand-by power supply 3 and unmanned plane actuating unit 4 respectively.
Consult shown in Fig. 2, voltage collector 1 in the utility model comprises the second resistance R2, the 3rd resistance R3 and follower U2 (as adopted LM358), wherein, second resistance R2 one end connects the output of unmanned plane battery case, and its other end is connected with the input anode of follower U2; One end of 3rd resistance R3 is connected with the input anode of follower U2, its other end ground connection; The input cathode of follower U2 is also connected with its output, and the output of follower U2 is also connected with comparator U1.
As preferably, the comparator U1 in the present embodiment adopts single-chip microcomputer, and now the part of normal voltage memory 2 in single-chip microcomputer, is stored in single-chip microcomputer by normal voltage.Comparator U1 also can adopt simple LM339 voltage comparator.
The utility model simply can be transformed existing unmanned plane, reserve battery is changed into by the battery of in the battery pack in existing unmanned plane, (can determine by comparing) when the primary power source de-energizes of unmanned plane, enable stand-by power supply, this reserve battery supplies unmanned plane landing specially and uses, avoid due to unexpected power-off and make unmanned plane occur air crash phenomenon, improve fail safe, there is simple, the convenient and advantage of practicality of structure.
Above, be only embodiment of the present utility model, but protection range of the present utility model is not limited thereto, any change of expecting without creative work or replacement, all should be encompassed within protection range of the present utility model.Therefore, the protection range that protection range of the present utility model should limit with claims is as the criterion.
Claims (3)
1. a unmanned plane power-off landing-gear, is characterized in that: comprise voltage collector (1), normal voltage memory (2), comparator (U1), switching circuit, stand-by power supply (3) and unmanned plane actuating unit (4); Described voltage collector (1) is for gathering the voltage of unmanned plane battery case, and described normal voltage memory (2) is for storing a standard voltage signal; Described voltage collector (1) is all connected with comparator (U1) with normal voltage memory (2);
Described switching circuit comprises resistance (R1), triode (Q1) and relay (K1), described resistance (R1) one end is connected with the output of comparator (U1), its other end is connected with the base stage of triode (Q1), the grounded emitter of described triode (Q1), its collector electrode is connected with main coil one end of relay (K1), the main coil other end of described relay (K1) is connected with power vd D, and the main contacts of described relay (K1) connects stand-by power supply (3) and unmanned plane actuating unit (4) respectively.
2. unmanned plane power-off landing-gear as claimed in claim 1, it is characterized in that: described voltage collector (1) comprises the second resistance (R2), the 3rd resistance (R3) and follower (U2), described second resistance (R2) one end connects the output of unmanned plane battery case, and its other end is connected with the input anode of follower (U2); One end of described 3rd resistance (R3) is connected with the input anode of follower (U2), its other end ground connection; The input cathode of described follower (U2) is also connected with its output, and the output of follower (U2) is also connected with comparator (U1).
3. unmanned plane power-off landing-gear as claimed in claim 1, is characterized in that: described comparator (U1) is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643123.7U CN204947710U (en) | 2015-08-24 | 2015-08-24 | Unmanned plane power-off landing-gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643123.7U CN204947710U (en) | 2015-08-24 | 2015-08-24 | Unmanned plane power-off landing-gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204947710U true CN204947710U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520643123.7U Expired - Fee Related CN204947710U (en) | 2015-08-24 | 2015-08-24 | Unmanned plane power-off landing-gear |
Country Status (1)
| Country | Link |
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| CN (1) | CN204947710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106716776A (en) * | 2016-02-26 | 2017-05-24 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle, and power supply system, method and device thereof |
| WO2020107465A1 (en) * | 2018-11-30 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Control method, unmanned aerial vehicle and computer-readable storage medium |
-
2015
- 2015-08-24 CN CN201520643123.7U patent/CN204947710U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106716776A (en) * | 2016-02-26 | 2017-05-24 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle, and power supply system, method and device thereof |
| WO2017143583A1 (en) * | 2016-02-26 | 2017-08-31 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle and power supply system, method and device thereof |
| WO2020107465A1 (en) * | 2018-11-30 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Control method, unmanned aerial vehicle and computer-readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160824 |