CN201914463U - Time delay secondary parachute-opening device of meteorological rocket parachute - Google Patents
Time delay secondary parachute-opening device of meteorological rocket parachute Download PDFInfo
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- CN201914463U CN201914463U CN201020694826XU CN201020694826U CN201914463U CN 201914463 U CN201914463 U CN 201914463U CN 201020694826X U CN201020694826X U CN 201020694826XU CN 201020694826 U CN201020694826 U CN 201020694826U CN 201914463 U CN201914463 U CN 201914463U
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- parachute
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- meteorological rocket
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Abstract
The utility model provides a time delay secondary parachute-opening device of a meteorological rocket parachute, which uses a time delay controller to control a convergent rope of the meteorological rocket parachute, so the secondary inflation opening of the parachute is realized. The device comprises the convergent rope, a cutter for cutting the convergent rope and a time delay propellant for controlling the firing time of the cutter, the convergent rope is wound on the bottom periphery of the meteorological rocket parachute, and the length of the convergent rope is smaller than the bottom peripheral circumference of the parachute. The device can make a meteorological rocket with arbitrary reach open the parachute after a certain height is reached, the parachute takes the meteorological rocket to fall at a high speed after the first inflation, the lift-drag ratios of the meteorological rocket and the parachute are reduced, the parachute is inflated for the second time after the height is reduced to be enough low, and the fully inflated parachute takes the meteorological rocket to stably land at a smaller speed.
Description
Technical field
The utility model relates to the meteorological rocket parachute of meteorological observatory, particularly meteorological rocket parachute time-delay secondary parachute opener.
Background technology
Meteorological observatory's meteorological rocket commonly used comes weather modification, and meteorological rocket sprays silver iodide in the high-altitude of 4～12km, but rainmaking and elimination hail disaster.It is cheap, safe and reliable, easy to use, is international and actv. weather modification means.
Generally it laterally not being flown away distance when existing meteorological rocket parachuting is reclaimed controls.(call in the following text: during parachute) in higher height parachute-opening, influenced by winds aloft, parachute can produce bigger lateral drift, and it is a little restive to descend slowly and lightly, and causes the meteorological rocket remains to descend slowly and lightly and causes damage to the densely populated area when the meteorological rocket parachute.
For this reason, need design a kind of new meteorological rocket parachute, opening fully of former parachute at rocket lift-off vertex, become at twice and open, when vertex, open a part, when dropping to, open fully again, reduce the skyborne length of the halt of parachute, reduce lateral drift with this near ground.
Summary of the invention
Technical problem to be solved in the utility model is the technical deficiency at above-mentioned existence, a kind of meteorological rocket parachute time-delay secondary parachute opener is provided, the closing in rope of the parachute by delay controller control meteorological rocket realizes that the defuelling of parachute is opened.
The utility model is that to solve the problems of the technologies described above the technical scheme that is adopted as follows: meteorological rocket parachute time-delay secondary parachute opener, it is characterized in that: it comprises the rope that closes up, is used to cut off the close up cutter of restricting, the time-delay gunpowder that is used for Cutting Control device point of ignition, the closing in becket bridle is on the circumference of meteorological rocket parachute base, and the length of the rope that closes up is less than the girth of parachute bottom circumference.
In such scheme, described cutter is located by the canopy base that static line is fixed on parachute, and the line of centers of cutter is parallel with the axis of parachute, and is wrapped with protecting sleeve in the cutter external packets.
In such scheme, described cutter comprises the cylindrical shell of sealing two ends, is provided with the cutter base in the cylindrical shell, in the cylinder lumen of cutter base below gunpowder is housed and is used to light the time-delay gunpowder of gunpowder, the top of cutter base is provided with endless knife, and described closing in rope passes from the cylinder lumen of endless knife top; The startup of described time-delay gunpowder is pulled pin and is connected with the stay cord of pulling pin of parachute.
In such scheme, the length of described closing in rope is less than the length of parachute circumference, and the rope that will close up passes parachute bottom circumference, parachute is brought together together, and the fag end knotting is fixing.
In such scheme, the number of described cutter is 1-2.
Principle of the present utility model is to utilize cutter to cooperate the rope that closes up, with opening fully of parachute at rocket lift-off vertex, become at twice and open, by the rope delay controller that closes up be controlled at vertex the time open a part, starting this moment pulls pin starts the extension gunpowder, extension powder burning certain hour, when dropping near ground, the extension gunpowder drives the gunpowder spontaneous combustion, produces pushed at high pressure power, promotes endless knife and cuts off the rope that closes up, make it ineffective fully, this moment, parachute was opened fully, reduced the skyborne length of the halt of parachute by above process, reduced lateral drift.
The beneficial effects of the utility model are: make and penetrate high meteorological rocket arbitrarily and release a parachute after reaching predetermined altitude, parachute is being with meteorological rocket to land at a high speed after the inflation for the first time, reduce the airborne period of meteorological rocket and parachute, when highly dropping to when enough hanging down parachute is inflated for the second time, the parachute band after being full of meteorological rocket and is surely fallen landing with less speed.
Description of drawings
Fig. 1 is the utility model embodiment integral structure scheme drawing;
Fig. 2 is that cutter is not cut off the structural representation when closing up rope;
Fig. 3 is that cutter is cut off the structural representation when closing up rope;
Fig. 4 is the utility model embodiment working process scheme drawing;
Among the figure, the 1-stay cord of pulling pin, 2-cutter, 3-protecting sleeve, the 4-rope that closes up, the 5-static line, 6-is sling fixedly,
8-extension gunpowder, 9-gunpowder, 10-combustion chamber, 11-endless knife, 12-cutter housing are pulled pin in the 7-startup
The 13-meteorological rocket, 14-program controller, 15-parachute.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described:
Meteorological rocket parachute time-delay secondary parachute opener as shown in Figure 1; include closing in rope 4 and cutter 2 on the parachute 15 base circumference that are installed on meteorological rocket 13; the number of cutter 2 is 1-2; be fixed on place, parachute 15 canopy bases by static line 5; the line of centers of cutter 2 is parallel with the axis of parachute 15, and is wrapped with protecting sleeve 3 in cutter 2 external packets.Be provided with combustion chamber 10 in the cutter housing 12, gunpowder 9 is housed in the combustion chamber 10, and the top of pressing close to gunpowder 9 in cutter housing 12 is provided with endless knife 11, the lower end of gunpowder 9 is provided with extension gunpowder 8 in cutter housing 12 simultaneously, the startup of extension gunpowder 8 is pulled pin and 7 is connected with stay cord 1 binding of pulling pin of parachute, described closing in rope 4 passes cutter 2, and is in the cutting edge place of endless knife 11.
In the present embodiment, described endless knife 11 can be slided in cutter housing 12, the cutting edge one side of endless knife 11 is over against the rope 4 that closes up, the outer wall of the back side and combustion chamber 10 is adjacent to, when the gunpowder in the combustion chamber 10 9 is lighted blast generation high pressure gas, can be promoted by the high-pressure gas pressure of gunpowder 9, cut off the rope 4 that closes up.
In the present embodiment, the length of described closing in rope 4 is less than the length of parachute 15 base circumference, and the rope 4 that will close up passes parachute 15 bottom circumference, parachute 15 is brought together together, and the fag end knotting is fixing.
In the use of present embodiment, meteorological rocket 13 is bound in advance to the deployment time of program controller 14 before emission, can and need the distance of flying away of control to adjust and control according to opening altitude.When meteorological rocket 13 reaches predetermined deployment time, program controller 14 on the meteorological rocket sends the instruction parachute 15 of dishing out, parachute 15 inflation for the first time under the effect of the rope 4 that closes up (being full of shape for the first time can determine according to actual conditions), in parachute 15 gas replenishment processs, the stay cord 1 of pulling pin is extracted the startup of cutter 2 and is pulled pin 7, the extension gunpowder 8 of cutter 2 takes fire, and the parachute 15 of underfill this moment descends with bigger velocity-stabilization with meteorological rocket 13.
The medicine 9 that continues to kindle a fire after extension gunpowder 8 has burnt, gunpowder 9 produces high temperature, high pressure gas in combustion chamber 10, and promotes endless knife 11 upward movements, endless knife 11 cut off close up rope 4 until with stop after housing 12 contacts.
After the rope 4 that closes up cut off, parachute 15 continued inflation and all is full of until canopy, and the parachute 15 after being full of surely falls landing with meteorological rocket 13 with less speed.
In addition, fixing, the binding and the safety method of cutter 2 can suitably be adjusted as the case may be, its objective is to avoid cutter 2 to swing in parachute 15 gas replenishment processs and cause damage.
Claims (4)
1. meteorological rocket parachute time-delay secondary parachute opener, it is characterized in that: it comprises the rope that closes up, is used to cut off the close up cutter of restricting, the time-delay gunpowder that is used for Cutting Control device point of ignition, the closing in becket bridle is on the circumference of meteorological rocket parachute base, and the length of the rope that closes up is less than the girth of parachute bottom circumference.
2. meteorological rocket parachute time-delay secondary parachute opener as claimed in claim 1, it is characterized in that: described cutter comprises the cylindrical shell of sealing two ends, be provided with the cutter base in the cylindrical shell, in the cylinder lumen of cutter base below gunpowder is housed and is used to light the time-delay gunpowder of gunpowder, the top of cutter base is provided with endless knife, and described closing in rope passes from the cylinder lumen of endless knife top; The startup of described time-delay gunpowder is pulled pin and is connected with the stay cord of pulling pin of parachute.
3. meteorological rocket parachute time-delay secondary parachute opener as claimed in claim 1 or 2, it is characterized in that: described cutter is located by the canopy base that static line is fixed on parachute, and the line of centers of cutter is parallel with the axis of parachute.
4. meteorological rocket parachute time-delay secondary parachute opener as claimed in claim 1, it is characterized in that: the number of described cutter is 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020694826XU CN201914463U (en) | 2010-12-31 | 2010-12-31 | Time delay secondary parachute-opening device of meteorological rocket parachute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020694826XU CN201914463U (en) | 2010-12-31 | 2010-12-31 | Time delay secondary parachute-opening device of meteorological rocket parachute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201914463U true CN201914463U (en) | 2011-08-03 |
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ID=44414271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020694826XU Expired - Fee Related CN201914463U (en) | 2010-12-31 | 2010-12-31 | Time delay secondary parachute-opening device of meteorological rocket parachute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201914463U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754390A (en) * | 2014-02-12 | 2014-04-30 | 北京空间机电研究所 | Ram air parachute and chordwise chain type closing method thereof |
| CN109204835A (en) * | 2018-10-18 | 2019-01-15 | 五邑大学 | A kind of sounding rocket parachute opener of burn-out proof |
| CN109250154A (en) * | 2018-09-07 | 2019-01-22 | 陕西中天火箭技术股份有限公司 | A kind of secondary parachute-opening safety landing system in side |
| CN109513219A (en) * | 2018-11-12 | 2019-03-26 | 郑寿涛 | A kind of electronic mechanical parachute deployment means |
| CN109937177A (en) * | 2016-11-21 | 2019-06-25 | 小鹰公司 | Fasten parachute |
| CN111239855A (en) * | 2019-11-20 | 2020-06-05 | 湖北航天飞行器研究所 | Stratospheric meteorological detection rocket and application method |
| CN111854544A (en) * | 2020-06-04 | 2020-10-30 | 中国人民解放军国防科技大学 | Rocket for whole rocket recovery teaching experiment and recovery method |
-
2010
- 2010-12-31 CN CN201020694826XU patent/CN201914463U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754390A (en) * | 2014-02-12 | 2014-04-30 | 北京空间机电研究所 | Ram air parachute and chordwise chain type closing method thereof |
| CN103754390B (en) * | 2014-02-12 | 2015-11-25 | 北京空间机电研究所 | A kind of ram air parachute and tangential chain type closing method thereof |
| CN109937177A (en) * | 2016-11-21 | 2019-06-25 | 小鹰公司 | Fasten parachute |
| CN109937177B (en) * | 2016-11-21 | 2023-06-09 | 小鹰公司 | Fastening parachute |
| CN109250154A (en) * | 2018-09-07 | 2019-01-22 | 陕西中天火箭技术股份有限公司 | A kind of secondary parachute-opening safety landing system in side |
| CN109204835A (en) * | 2018-10-18 | 2019-01-15 | 五邑大学 | A kind of sounding rocket parachute opener of burn-out proof |
| CN109204835B (en) * | 2018-10-18 | 2023-09-08 | 五邑大学 | Anti-ablation sounding rocket parachute opening device |
| CN109513219A (en) * | 2018-11-12 | 2019-03-26 | 郑寿涛 | A kind of electronic mechanical parachute deployment means |
| CN111239855A (en) * | 2019-11-20 | 2020-06-05 | 湖北航天飞行器研究所 | Stratospheric meteorological detection rocket and application method |
| CN111239855B (en) * | 2019-11-20 | 2022-08-12 | 湖北航天飞行器研究所 | Stratospheric meteorological detection rocket and application method |
| CN111854544A (en) * | 2020-06-04 | 2020-10-30 | 中国人民解放军国防科技大学 | Rocket for whole rocket recovery teaching experiment and recovery method |
| CN111854544B (en) * | 2020-06-04 | 2022-09-30 | 中国人民解放军国防科技大学 | Rocket for whole rocket recovery teaching experiment and recovery method |
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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 |
Granted publication date: 20110803 Termination date: 20181231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |