CN112498702A - Electronic parachute opening control device, electronic parachute opening control method and parachute - Google Patents
Electronic parachute opening control device, electronic parachute opening control method and parachute Download PDFInfo
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- CN112498702A CN112498702A CN202011490310.8A CN202011490310A CN112498702A CN 112498702 A CN112498702 A CN 112498702A CN 202011490310 A CN202011490310 A CN 202011490310A CN 112498702 A CN112498702 A CN 112498702A
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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
- B64D17/00—Parachutes
- B64D17/40—Packs
- B64D17/52—Opening, e.g. manual
- B64D17/54—Opening, e.g. manual automatic
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Abstract
The invention belongs to the aviation lifesaving technology, and relates to an electronic parachute opening control device, a parachute opening control method and a parachute. Electronic type parachute opening controlling means includes satellite positioning module (1), microprocessor (2), cutterbar (3), wherein, satellite positioning module (1) and satellite communication acquire the positional information of parachute in real time to be connected with microprocessor, microprocessor is used for signal processing, and is connected with the cutterbar, the parachute opening signal that microprocessor sent is received to the cutterbar, opens the parachute. The invention has stable height information acquisition, is not easily influenced by environmental meteorological factors, has no instantaneous fluctuation during the escape, is safe and reliable, and has greater technical progress compared with the traditional parachute opening mode.
Description
Technical Field
The invention belongs to the aviation lifesaving technology, and relates to an electronic parachute opening control device, a parachute opening control method and a parachute.
Background
At present, the domestic parachute is mostly applied to a mechanical power type parachute opening control technology, and an electronic type automatic parachute opening technology is still under research. The mechanical power type parachute opening control technology uses a diaphragm box to sense the height change of air pressure, and the measurement precision is low; because the mechanical spring is adopted as the output power, the product structure is large in size, heavy in weight and the like, and the requirements of modern airborne troops on training and fighting are not met.
Even though the conventional electronic automatic parachute opening still uses the air pressure sensor to perform the parachute-releasing control by sensing the height, as disclosed in CN203200605823U, the electronic parachute opener, which is an electronic parachute opener and is controlled by a microprocessor, is still used to sense the height. However, when the air pressure sensor senses the height, the air pressure sensor is greatly influenced by the external air pressure, particularly when the parachute leaves the cabin, the instantaneous air pressure of the parachute is greatly fluctuated, an error instruction is easily generated, an error parachute opening signal is issued, and great potential safety hazards are caused.
Disclosure of Invention
The purpose of the invention is: the electronic parachute opening control device is simple in structure, safe and reliable, and based on GPS positioning, the parachute can be automatically opened under the condition that the height of the electronic parachute opening control device is lower than a set height.
In addition, the invention also provides an umbrella opening method based on the electronic umbrella opening control device.
The invention also protects a parachute adopting the electronic parachute opening control device.
The technical scheme of the invention is as follows: the utility model provides an electronic type parachute opening controlling means, parachute opening controlling means installs in the parachute, parachute opening controlling means includes satellite positioning module 1, microprocessor 2, cutterbar 3, wherein, satellite positioning module 1 and satellite communication acquire the positional information of parachute in real time to be connected with microprocessor, microprocessor is used for signal processing to be connected with the cutterbar, the parachute opening signal that microprocessor sent is received to the cutterbar, opens the parachute.
The satellite positioning module 1 and the microprocessor are integrated on the same circuit board, so that the size is small, the installation and the carrying are easy, and the satellite positioning module is suitable for being installed on a single parachute.
All be provided with the metal shield cover outside satellite positioning module 1 and the microprocessor to can provide effective protection for satellite positioning module and microprocessor, avoid receiving the interference of external environment and airborne magnetic field, improve parachute opening fail safe nature.
The microprocessor is internally provided with a comparator, and an umbrella opening instruction is given by comparing the height value preset inside with the height information given by the satellite positioning module.
The satellite positioning module is a GPS module or a Beidou satellite positioning module, acquires the actual position information of the parachute by receiving satellite signals, and converts the actual position information into height information.
The electronic automatic umbrella opening control device further comprises a power circuit which is connected with the satellite positioning module, the microprocessor and the cutter and used for providing power.
A parachute opening control method based on the electronic automatic parachute opening control device is characterized in that a satellite positioning module detects parachute position information in real time and sends the parachute position information to a microprocessor, the microprocessor extracts and converts the parachute position information into a height signal, the height signal is compared with the height of an internally-arranged parachute, when the height of the internally-arranged parachute is achieved, the microprocessor sends a parachute opening instruction to control a cutter to cut a contraction rope, a parachute pack is opened, and parachute opening is completed.
A parachute comprises the electronic automatic parachute opening control device.
The invention has the beneficial effects that: the electronic automatic parachute opening control device obtains real-time altitude through satellite positioning, the microprocessor judges whether the height of the parachute system is lower than a set height, and if the height of the parachute system is lower than the set height, the parachute is automatically opened. Therefore, the height information of the aircraft is stable to acquire, is not easily influenced by environmental meteorological factors, does not have instantaneous fluctuation during the taking off of the aircraft cabin, and is safe and reliable.
Drawings
FIG. 1 is a schematic diagram of the electronic controller for opening the umbrella according to the present invention;
wherein, the device comprises a 1-GPS module, a 2-microprocessor, a 3-cutter and a 4-power circuit.
Fig. 2 is a program control diagram of a parachute height control parachute opening technique of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
Example 1: referring to fig. 1, the parachute opening control apparatus of the present invention includes a satellite positioning module 1, a microprocessor 2, and a cutter 3, wherein:
the satellite positioning module adopts a GPS module and is used for acquiring position information in real time and transmitting a signal to the microprocessor;
the microprocessor is an intelligent component with a single chip microcomputer as a core, can receive and process the position information transmitted by the GPS module, converts the ground height H in the position information into the altitude height H, namely, carries out a series of processing on the received data through a software program, judges the current altitude value, and outputs an parachute opening control signal to the cutter when the altitude is smaller than the parachute opening altitude set value.
The GPS module performs the height signal conversion process as follows:
if the measured height of the ground at a certain point p is H and the altitude is H, the elevation anomaly zeta is
ζ＝H-h
According to the Bruns formula, the calculation formula of the model elevation anomaly of one point on the earth surface is
In the formula: p is obtained by the process of the step of,
lambda is the geocentric radial, geocentric latitude and geocentric longitude of the calculation point p respectively;
GM is the product of the universal gravitation constant and the earth mass;
γpcalculating the normal gravity value of the point;
alpha is the earth's major semiaxis;
n is the highest order of the earth gravity field model expansion, and N and m are natural numbers;
α＝6378137.0m，GM＝3.986004417×1014m13/S2。
the cutter is a fuse device, is connected with a contraction rope of the parachute, and starts to work when receiving a parachute opening control signal to cut off the contraction rope.
When the electronic automatic parachute opening control device is used for controlling parachute opening, the GPS module detects the position information of the parachute in real time and sends the position information to the microprocessor, the microprocessor extracts and converts the position information into a height signal, the height signal is compared with the height of the internally-arranged parachute, and when the height of the internally-arranged parachute is reached, the microprocessor sends a parachute opening instruction to control the cutter to cut the contraction rope, open the parachute pack and complete parachute opening.
The electronic automatic parachute opening control device technology is based on GPS, Beidou and other satellite positioning systems, parachute opening is carried out by utilizing height information converted by the obtained ground position information, signals are stable and reliable, the device is not easily influenced by the environment, safety and reliability of parachute opening are effectively improved, the device can be used in the fields of airborne landing and air drop, and the device has a large practical application value.
The above-mentioned embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (9)
1. The utility model provides an electronic type parachute opening controlling means, parachute opening controlling means installs in the parachute, characterized by: the parachute opening control device comprises a satellite positioning module (1), a microprocessor (2) and a cutter (3), wherein the satellite positioning module (1) is in communication with a satellite to acquire position information of the parachute in real time and is connected with the microprocessor, the microprocessor is used for signal processing and is connected with the cutter, the cutter receives parachute opening signals sent by the microprocessor and opens the parachute.
2. An electronic automatic umbrella opening control device as claimed in claim 1, wherein the satellite positioning module (1) is integrated on the same circuit board as the microprocessor.
3. The electronic automatic umbrella opening control device as claimed in claim 1, wherein a metal shielding cover is arranged outside the satellite positioning module (1) and the microprocessor.
4. The electronic automatic umbrella opening control device as claimed in claim 1, wherein the microprocessor is provided therein with a comparator for giving an umbrella opening instruction by comparing an internal preset umbrella opening height value with height information given by the satellite positioning module.
5. The electronic automatic umbrella opening control device of claim 1, wherein the satellite positioning module is a GPS module or a beidou satellite positioning module.
6. The electronic automatic umbrella opening control device as claimed in claim 1, further comprising a reset circuit, wherein the reset circuit is connected to the microprocessor for power-on reset of the microprocessor.
7. The electronic automatic umbrella opening control device as claimed in claim 1, further comprising a power circuit connected to the satellite positioning module, the microprocessor and the cutter at the same time for supplying power.
8. An umbrella opening control method based on the electronic automatic umbrella opening control device as claimed in any one of claims 1 to 7, characterized in that the satellite positioning module detects the position information of the parachute in real time and sends the information to the microprocessor, the microprocessor extracts and converts the information into a height signal, the height signal is compared with the height of the built-in parachute, when the height of the built-in parachute is reached, the microprocessor sends a parachute opening instruction to control the cutter to cut the contraction rope, the parachute pack is opened, and the parachute opening is completed.
9. A parachute comprising the electronic automatic parachute opening control apparatus of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490310.8A CN112498702A (en) | 2020-12-16 | 2020-12-16 | Electronic parachute opening control device, electronic parachute opening control method and parachute |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490310.8A CN112498702A (en) | 2020-12-16 | 2020-12-16 | Electronic parachute opening control device, electronic parachute opening control method and parachute |
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| CN112498702A true CN112498702A (en) | 2021-03-16 |
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| CN202011490310.8A Pending CN112498702A (en) | 2020-12-16 | 2020-12-16 | Electronic parachute opening control device, electronic parachute opening control method and parachute |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428367A (en) * | 2021-08-02 | 2021-09-24 | 武汉永力技术有限公司 | Method for controlling parachute opening of parachute and electronic automatic parachute opening system thereof |
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| CN101819688A (en) * | 2010-04-12 | 2010-09-01 | 中国科学院长春光学精密机械与物理研究所 | Parachuting height early warning record device and method thereof |
| CN102147475A (en) * | 2010-02-09 | 2011-08-10 | 武汉大学 | Method and device for simultaneously determining three-dimensional geometry position and gravity potential by utilizing global position system (GPS) signal |
| US9145212B1 (en) * | 2014-06-12 | 2015-09-29 | Shenzhen Hubsan Intelligent Co., Ltd. | Parachute control system and method for an aircraft |
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| CN205256682U (en) * | 2015-12-21 | 2016-05-25 | 威海三智科技有限公司 | Control system is retrieved in unmanned aerial vehicle parachuting |
| CN207450275U (en) * | 2017-07-11 | 2018-06-05 | 南昌航空大学 | A kind of anti-crash landing system of unmanned plane |
-
2020
- 2020-12-16 CN CN202011490310.8A patent/CN112498702A/en active Pending
Patent Citations (7)
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| CN102147475A (en) * | 2010-02-09 | 2011-08-10 | 武汉大学 | Method and device for simultaneously determining three-dimensional geometry position and gravity potential by utilizing global position system (GPS) signal |
| CN101819688A (en) * | 2010-04-12 | 2010-09-01 | 中国科学院长春光学精密机械与物理研究所 | Parachuting height early warning record device and method thereof |
| US9145212B1 (en) * | 2014-06-12 | 2015-09-29 | Shenzhen Hubsan Intelligent Co., Ltd. | Parachute control system and method for an aircraft |
| CN105366037A (en) * | 2015-11-27 | 2016-03-02 | 成都飞机工业（集团）有限责任公司 | Unmanned aerial vehicle with changeable flight mode |
| CN205168921U (en) * | 2015-12-03 | 2016-04-20 | 武汉航空仪表有限责任公司 | Parachute altitude control parachute -opening mechanism |
| CN205256682U (en) * | 2015-12-21 | 2016-05-25 | 威海三智科技有限公司 | Control system is retrieved in unmanned aerial vehicle parachuting |
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Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428367A (en) * | 2021-08-02 | 2021-09-24 | 武汉永力技术有限公司 | Method for controlling parachute opening of parachute and electronic automatic parachute opening system thereof |
| CN113428367B (en) * | 2021-08-02 | 2024-04-05 | 武汉永力技术有限公司 | Method for controlling parachute opening and electronic automatic parachute opening system thereof |
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