CN102764712A - Low-pressure airflow atomizing sprayer - Google Patents
Low-pressure airflow atomizing sprayer Download PDFInfo
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- CN102764712A CN102764712A CN2012102086205A CN201210208620A CN102764712A CN 102764712 A CN102764712 A CN 102764712A CN 2012102086205 A CN2012102086205 A CN 2012102086205A CN 201210208620 A CN201210208620 A CN 201210208620A CN 102764712 A CN102764712 A CN 102764712A
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- 239000007921 spray Substances 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000010865 sewage Substances 0.000 claims abstract description 10
- 230000009467 reduction Effects 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 15
- 235000014347 soups Nutrition 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000003814 drug Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 239000000575 pesticide Substances 0.000 description 7
- 239000002917 insecticide Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003905 agrochemical Substances 0.000 description 5
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- 238000005516 engineering process Methods 0.000 description 3
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
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- 239000000243 solution Substances 0.000 description 2
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- 241000675108 Citrus tangerina Species 0.000 description 1
- 240000000560 Citrus x paradisi Species 0.000 description 1
- 244000050510 Cunninghamia lanceolata Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
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Abstract
The invention discloses a low-pressure airflow atomizing sprayer which comprises a machine frame, a petrol engine, an air pump, a liquid medicine box and a spray lance, wherein the petrol engine and the liquid medicine box are mounted on the machine frame, and the spray lance is connected with the liquid medicine box. The low-pressure airflow atomizing sprayer is characterized in that a sewage outlet and a one-way air guide valve are arranged at the bottom of the liquid medicine box; a spray lance switch used for adjusting the spray outlet is mounted at a position of the spray lance, which is held by hand; a suction disc port is directly connected with an outlet of a liquid pipe port; the petrol engine is directly connected with the air pump; a hemispherical net membrane for secondary noise reduction and sound deadening is mounted at a smoke exhaust port of the petrol engine; and a plurality of atomizing spray heads are mounted on the spray lance. The low-pressure airflow atomizing sprayer has the characteristics of simple structure, easiness in manufacture, low cost, high efficiency and convenience in use, and can guarantee safety of people.
Description
Technical field
The present invention relates to a kind of spraying apparatus, especially a kind of low-pressure air current atomizing sprayer that is used to spray insecticide.
Background technology
In agricultural production for anti-cure the disease, worm, crop smothering, need spray various agricultural chemicals to crops, spray insecticide and requisitely will adopt pesticide dispersal equipment; In the pesticide dispersal equipment that the vast rural area of China is used always; Mainly be traditional workers and peasants' one 16 type sprayers or its modified, this sprayer and innovative product thereof all are to adopt the design of fluid pressure type atomizing principles, once in China's agro based economic development process, have played important function; Labour intensity is big, the soup particle is inhomogeneous, the medical liquid atomizing particle is excessive but exist mostly; Oarse-grained soup can not stick to the surface of crops, inevitably drops on the ground, not only makes every mu of spray value be difficult to control; Cause the waste of soup, also soil environment is produced and pollute.For improving the medical liquid atomizing effect, open source literature has also been reported the pesticide dispersal equipment that some are new, for example:
1. Chinese patent: a kind of sprayer, application number: CN200720038477.4, the applying date: 2007.07.11; Publication number: CN201079763, open day: 2008.07.02, applicant: Jiang Guofang; Address: No. 29, Mao Jia village, Jing Yuan village, Lu cities and towns, Danyang City, Jiangsu Province, inventor: Jiang Guofang, summary: a kind of sprayer; Comprise device for storing liquid, hydraulic fluid device and liquid-jet device, the hydraulic fluid device comprises power set, transmission device and hydraulic fluid pump assembly, and device for storing liquid and hydraulic fluid device are communicated with through tube connector; Liquid-jet device and hydraulic fluid device are communicated with through tube connector, and said power set are that a plane scroll spring energy stores machine.This utility model has the following advantages: the one, and adopt new plane scroll spring energy to store machine; Need not to make electricity consumption, gasoline or diesel oil, also manually do not lift pressure, simple to operate light; Labour intensity is little, only needs the singlehanded control injection apparatus just can auto spraying during work; The 2nd, adopt gear drive, be arranged on master gear and travelling gear outside the Liquid Storage Cylinder Shell again simultaneously, so solved " evaporating, emitting, dripping or leaking of liquid or gas " problem from root; The 3rd, through the change of check valve and triple valve structure, it is not in place to have solved sealing, and the not smooth problem that circulate has also improved simultaneously the pressure of spraying.
2. Chinese patent: fog dispersal sprayer, application number: CN201010119697.6, the applying date: 2010.03.08; Publication number: CN102191906A, open day: 2011.09.21, applicant: a Shanghai City boat school; Address: No. 1, Shanghai City Nanhui District boat Tou Zhen Xingcheng road; Inventor: Li Donglin, summary: a kind of fog dispersal sprayer comprises shell and heater circuit.Heater circuit is arranged on a side of shell.Be full of air in the shell.This invention fog dispersal sprayer is owing to be provided with heater circuit, can be with the air heat in the shell, and from nozzle, spray; This invention can separate air in the shell and outside air when heating owing to be provided with the aperture that has lid, and after the air in the shell all sprayed from nozzle, uncap can charge into air for shell; This invention is simple in structure, and volume is little, and is easy to use, and cost is low, is easy to popularization and application.
The inventor finds, more than the sprayer of disclosed document also have following problem: document 1 complex structure, spray effect is bad; Document 2 needs to adopt heater circuit, makes that the structure of sprayer is more complicated, has also increased the weight of sprayer.Therefore; The inventor has invented dynamical type low-pressure air current atomizing sprayer again on November 03rd, 2010, (notification number is: CN201855757U), disclose a kind of dynamical type low-pressure air current atomizing sprayer; Comprise spray tank, power set and sprinkler part; Sprinkler part comprises conduit and shower nozzle, and spray tank is provided with lid, and power set are connected with the tracheae of in spray tank, inflating; The inside of conduit is provided with passes the catheter that lid extends to the spray tank inside bottom; Form the air guide annular distance of ring-type between the inwall of conduit and the outer wall of catheter, shower nozzle comprises sprinkler core and sprinkler cap, and sprinkler core is provided with the sprinkler core liquid hole of running through the sprinkler core both ends of the surface and is arranged on sprinkler core liquid hole at least three pores on every side; Sprinkler cap and sprinkler core link be provided with the sprinkler cap liquid bath of sprinkler core liquid hole butt joint and be communicated with the sprinkler cap liquid bath respectively and with corresponding at least three spray orifices in pore position, each spray orifice runs through the sprinkler cap both ends of the surface and is communicated with the pore of correspondence position.This utility model has the effect that atomizing effect is good, droplet thin and size is even, reduce labour intensity and can effectively enhance productivity; But; Through having tried out a period of time, find still to have some defectives, the one, present sprayer adopts clutch to connect; Make air pump under the situation of certain rotating speed, could work, and clutch and clutch-plate comparison easy abrasion; The 2nd, do not have special switch on the spray lance, in the time of need opening or closing sprayer, can only be by the control of the switch of general supply, so the size of spraying can not regulate, the discrepancy amount of uncontrollable pesticide solution, therefore, this becomes the technical bottleneck of the sector always.
Summary of the invention
The object of the invention promptly is to provide a kind of and can solves above-mentioned deficiency, low-pressure air current atomizing sprayer simple in structure, that efficient is high.
For realizing above-mentioned purpose, low-pressure air current atomizing sprayer of the present invention comprises frame, gasoline engine, air pump, spray tank and spray lance; Gasoline engine and spray tank are installed on the frame; Spray lance is connected with spray tank, is characterized in: also be provided with sewage draining exit and unidirectional guide valve in the bottom of spray tank, the spray lance switch that spray outlet is regulated is installed at spray lance holding rod place; The outlet of the liquid mouth of pipe that spray lance is inner is provided with a sucker; The sucker mouth directly is connected with the outlet of the liquid mouth of pipe, and gasoline engine directly is connected with air pump, and power need not pass through clutch and directly import air pump into by gasoline engine; The hemispherical nethike embrane of secondary noise reduction noise reduction is installed on the exhaust opening of gasoline engine, several fog-spray nozzles are installed on the spray lance.
Above-described air pump comprises the pump housing, connecting rod, end cap, pump cover, limit diaphragm and pore, and pump cover connects with connecting rod and is installed in the pump housing, and end cap and limit diaphragm are fixed through screw, have several pores on the pump cover.
Above-described spray lance switch comprises switch main body, handle, adjusting fulcrum, push rod, gas passage, fluid passage, spring, restriction portion and spiral cover; Have oval-shaped hole on the left and right sides of handle; Handle through this hole correspondence be installed in switch main body about two regulate on the fulcrum; Be provided with gas passage and fluid passage in the switch main body, push rod is installed on the axial vertical direction of switch main body, and the place that push rod contacts with gas passage has the restriction portion that can regulate soup discrepancy amount; The cylindrical section of push rod lower end is equipped with spring, is fixed in the switch main body through spiral cover.
Above-described fog-spray nozzle is 1～4.
Compared with prior art, the beneficial effect of this low-pressure air current atomizing sprayer is:
1. simple in structure, easy to manufacture.Innovative point one of the present invention is to adopt gasoline engine directly to be connected with air pump; Power need not pass through clutch and directly import air pump into by gasoline engine, prevents that gasoline engine from having the idling phenomenon, makes gasoline engine quick start; Fuel-efficient; Economize merit, this machine working speed is 2800r/min～3500r/min, and prior art is 7500r/min～12000r/min; The 2nd, the inner chamber of gasoline engine exhaust opening has increased a hemispheric noise reduction nethike embrane, has reached twice noise reduction and has reduced anti noise; The 3rd, have several pores on the pump cover of air pump, form a check valve naturally, make gas not flow backwards; The 4th, the advantage that dripless produced when the spray lance switch had spraying, the mode that it adopts handle to push is regulated, and on the left and right sides of handle, has oval-shaped hole, and handle can move forward and backward along this hole; Simultaneously since handle through this hole correspondence be installed in switch main body about two regulate on the fulcrum; Handle can also rotate a certain angle around fulcrum; The dynamics of down pushing along with handle is different; The restriction portion of push rod is different with the opening of the fluid passage of switch main body, and the discrepancy amount of pesticide solution is also different, has avoided the loss of soup.Because the present invention does not need complicated parts, realize that production procedure is simple, and is with low cost so make than be easier to.
2. with low cost, efficient is high.Increase a sewage draining exit in the spray tank bottom, be provided with a unidirectional guide valve at sewage draining exit, this unidirectional guide valve can play two effects: the one, soup is stirred; The 2nd, further vaporize soup, and, because the outlet of the liquid mouth of pipe of injection spray pipe inside is provided with a sucker; The sucker mouth directly is connected with the outlet of the liquid mouth of pipe, and during work, sucker is inhaled on the sewage draining exit of spray tank inwall; Make the liquid of spray tank use fully, the noresidue soup has been avoided the waste of soup; Provide cost savings, in addition, a plurality of fog-spray nozzles are installed on the spray lance; Make that the sprinkling of soup is more even, so the efficient of this machine has improved more than 10 times than the sprayer of prior art.
3. easy to use, guarantee personal safety.Because the open and close of spray lance switch of the present invention is rapidly convenient; Can be according to the size of the strict control of different types of crops spray amount, the agricultural chemicals of sprinkling neither can contaminated soil and environment; Can not touch operator's skin yet, ensure the health of human body well.
Description of drawings
Fig. 1 is a main TV structure simplified schematic diagram of the present invention.
Fig. 2 is that the A-A of exhaust opening 11 is to the sectional structure simplified schematic diagram.
Fig. 3 is the pump housing 9 main TV structure simplified schematic diagram of air pump 3.
Fig. 4 is the left TV structure simplified schematic diagram of Fig. 3.
Fig. 5 is the plan structure simplified schematic diagram of Fig. 3.
Fig. 6 is the pump cover master TV structure simplified schematic diagram of air pump 3.
Fig. 7 is that B-B of Fig. 6 is to the sectional structure simplified schematic diagram.
Fig. 8 is the plan structure simplified schematic diagram of Fig. 6.
Fig. 9 is the main TV structure simplified schematic diagram of spray lance switch 7.
Figure 10 is the plan structure simplified schematic diagram of Fig. 9.
Component names and sequence number among the figure:
Frame 1, gasoline engine 2, air pump 3, spray tank 4, spray lance switch 5, spray lance 6, fog-spray nozzle 7, sewage draining exit 8, unidirectional guide valve 9, sucker 10, exhaust opening 11, nethike embrane 12, the pump housing 13, connecting rod 14, end cap 15, pump cover 16, limit diaphragm 17, pore 18, switch main body 19, handle 20, adjusting fulcrum 21, push rod 22, gas passage 23, fluid passage 24, spring 25, restriction portion 26, spiral cover 27.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment low-pressure air current atomizing sprayer of the present invention is further described.
Shown in Fig. 1～2; Low-pressure air current atomizing sprayer of the present invention comprises frame 1, gasoline engine 2, air pump 3, spray tank 4, spray lance switch 5, spray lance 6, fog-spray nozzle 7, sewage draining exit 8, unidirectional guide valve 9, sucker 10, exhaust opening 11 and nethike embrane 12, and gasoline engine 2 is installed on the frame 1 with spray tank 4; Spray lance 6 is connected with spray tank 4; Bottom at spray tank 4 also is provided with sewage draining exit 8, and the unidirectional guide valve 9 that soup is stirred and further vaporizes is installed on the sewage draining exit 8, and 6 holding rod places are equipped with spray lance switch 5 at spray lance; The outlet of the liquid mouth of pipe of spray lance 6 inside is provided with a sucker 10; Sucker directly is connected with the outlet of the liquid mouth of pipe for 10 mouthfuls, and gasoline engine 2 directly is connected with air pump 3, and power need not pass through clutch and directly import air pump 3 into by gasoline engine 2; The hemispherical nethike embrane 12 of twice noise reduction noise reduction is installed on the exhaust opening 11 of gasoline engine 2,1～4 fog-spray nozzle 7 is installed on the spray lance 6.
Shown in Fig. 3～8, described air pump 3 comprises the pump housing 13, connecting rod 14, end cap 15, pump cover 16, limit diaphragm 17 and pore 18, and pump cover 16 connects with connecting rod 14 and is installed in the pump housing 13; End cap 15 and limit diaphragm 17 are fixed through screw; Have several pores 18 on the pump cover 16, form a check valve, promptly gas can only be by P to entering; To coming out, make gas not flow backwards by C.
Referring to Fig. 9 and shown in Figure 10; Spray lance switch 5 comprises switch main body 19, handle 20, regulates fulcrum 21, push rod 22, gas passage 23, fluid passage 24, spring 25, restriction portion 26 and spiral cover 27; Have oval-shaped hole on the left and right sides of handle 20; Handle 20 through this hole correspondence be installed in switch main body 19 about two regulate on the fulcrum 21; Be provided with gas passage 23 and fluid passage 24 in the switch main body 19, push rod 22 is installed on the axial vertical direction of switch main body 19, and the place that push rod 22 contacts with gas passage 23 has the restriction portion 26 that can regulate soup discrepancy amount; The cylindrical section of push rod 22 lower ends is equipped with spring 25, is fixed in the switch main body 19 through spiral cover 27.
Embodiment 1
Nanning city's freeway management place; In January, 2012, use this low-pressure air current atomizing sprayer, sprayed insecticide with middle lace hedge in the highway both sides and carry out desinsection; Five wheat harvesting periods have been used; The spray rate of its lace hedge has improved than originally more than 10 times, and the agricultural chemicals that sprays is even, has obtained the praise of city office of spiritual civilization construction.
Nanning city Wuming County, land, in February, 2012; Use this low-pressure air current atomizing sprayer; China fir woods on its 100 mu of mountains contracting sprayed insecticide prevent curing the disease, worm, crop smothering, passed through trimestral on probationly, spray effect is good; Improved spray rate greatly, practiced thrift agricultural chemicals more than 20 times than the sprayer on the market of original use.
Embodiment 3
Xiangzhou County, Laibin City, Guangxi, Wei, in February, 2012; Use this low-pressure air current atomizing sprayer, 10 mu of grapefruits to it on oneself mountain and crops are sprayed insecticide and carry out desinsection, have passed through trimestral on probation; Spray effect is good, and fruit tree and crop growth after the sprinkling are good.
Embodiment 4
Lee in Guangxi San Jiangxian and Pingxiang peace village uses this low-pressure air current atomizing sprayer, and homegrown 8 mu of vegetables are carried out dispenser, through five months try out, draws relevant data, and water-saving is economized medicine more than 75% more than 95%, and killing rate is up to 98%.What the high-voltage electric sprayer of previously used domestic certain famous brand name adopted is the operation principle of fluid pressure type, every mu ground wants spraying liquid more than 3 barrels, 16 liters every barrel, and 28 kilograms of gross weights.The effect of desinsection is the highest can only to reach 76%.And after having used this low-pressure air current atomizing sprayer now, medication is original 25%, and insecticide efficiency is up to 98%, and every barrel of water has only 8 liters, and gross weight has only 15 kilograms, and every barrel of water just can spray more than 3 mu.Real reached water-saving, laborsaving, save time, economize medicine and technique effect efficiently.This experimental data once was gives the national Ministry of Agriculture, and has obtained the leader's of portion favorable comment.
Embodiment 5
The Huang of cold water mountain forest field, Liucheng County, Liuzhou city, family has been contracted more than 400 mu plantation cold water mountain, wasteland board tangerine orange, and red spider is administered in high temperature and drought dispenser in season; Originally use Mitsubishi's high-pressure pump of two Japanese imports; Each construction needs six people, and the duration is six days, about 35 tons of water consumption; About 18000 yuan of pesticide dosage, and sprayed once again again in maximum 15-20 days.After using present technique instead, use two looms equally, four people's constructions once only need four days; About 2.4 tons of water consumption, the use amount of agricultural chemicals also has only 4000 yuans, and because good disinsection effect; The efficient of desinsection is high, and insect population gos up slow, and centre 40 to 50 talentes at interval needs medication again.Reduce production cost greatly, and can not produce poisoning.
Above case has been explained low-pressure air current dense fog technology, in the process of using, real accomplished water-saving, laborsaving, save time, economize medicine, efficient and effect in energy saving and environmental protection.Can be described as a revolution on the pesticide application technology.
Claims (4)
1. low-pressure air current atomizing sprayer; Comprise frame (1), gasoline engine (2), air pump (3), spray tank (4) and spray lance (6); Gasoline engine (2) is installed on the frame (1) with spray tank (4); Spray lance (6) is connected with spray tank (4); It is characterized in that: also be provided with sewage draining exit (8) and unidirectional guide valve (9) in the bottom of spray tank (4), at spray lance (6) holding rod place the spray lance switch (5) that spray outlet is regulated be installed, the outlet of the liquid mouth of pipe that spray lance (6) is inner is provided with a sucker (10); Sucker (10) mouth directly is connected with the outlet of the liquid mouth of pipe; Gasoline engine (2) directly is connected with air pump (3), and the hemispherical nethike embrane (12) of secondary noise reduction noise reduction is installed on the exhaust opening of gasoline engine (11), and several fog-spray nozzles (7) are installed on the spray lance (6).
2. low-pressure air current atomizing sprayer according to claim 1; It is characterized in that: described air pump (3) comprises the pump housing (13), connecting rod (14), end cap (15), pump cover (16), limit diaphragm (17) and pore (18); Pump cover (16) connects with connecting rod (14) and is installed in the pump housing (13); End cap (15) is fixed through screw with limit diaphragm (17), has several pores (18) on the pump cover (16).
3. low-pressure air current atomizing sprayer according to claim 1; It is characterized in that: described spray lance switch (5) comprises switch main body (19), handle (20), regulates fulcrum (21), push rod (22), gas passage (23), fluid passage (24), spring (25), restriction portion (26) and spiral cover (27); Have oval-shaped hole on the left and right sides of handle (20); Handle (20) through this hole correspondence be installed in switch main body (19) about two regulate on the fulcrums (21); Be provided with gas passage (23) and fluid passage (24) in the switch main body (19); Push rod (22) is installed on the axial vertical direction of switch main body (19); The place that push rod (22) contacts with gas passage (23) has the restriction portion (26) that can regulate soup discrepancy amount, and the cylindrical section of push rod (22) lower end is equipped with spring (25), is fixed in the switch main body (19) through spiral cover (27).
4. low-pressure air current atomizing sprayer according to claim 1 is characterized in that: described fog-spray nozzle (7) is 1～4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210208620.5A CN102764712B (en) | 2012-06-25 | 2012-06-25 | Low-pressure airflow atomizing sprayer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210208620.5A CN102764712B (en) | 2012-06-25 | 2012-06-25 | Low-pressure airflow atomizing sprayer |
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| Publication Number | Publication Date |
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| CN102764712A true CN102764712A (en) | 2012-11-07 |
| CN102764712B CN102764712B (en) | 2014-11-05 |
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| CN201210208620.5A Expired - Fee Related CN102764712B (en) | 2012-06-25 | 2012-06-25 | Low-pressure airflow atomizing sprayer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417236A (en) * | 2016-10-12 | 2017-02-22 | 新疆工程学院 | Smoke generating device based on afterheat and rest pressure utilization of tail gas of internal combustion engine |
| CN107399438A (en) * | 2016-08-24 | 2017-11-28 | 广州极飞科技有限公司 | Liquid storage container and its assembly method and unmanned plane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080571A (en) * | 1992-06-27 | 1994-01-12 | 谢承林 | Portable power driven sprayer |
| EP0998982A1 (en) * | 1998-11-02 | 2000-05-10 | Yamaho Industrial Co. Ltd. | Knapsack type sprayer comprising liquid pump and having floating air valve |
| CN2868440Y (en) * | 2006-02-16 | 2007-02-14 | 罗仙达 | Push-button type sprayer switch |
| US20090008473A1 (en) * | 2007-07-02 | 2009-01-08 | Jong-Dae Yun | Portable haze sprayer having multi-function |
| CN201855757U (en) * | 2010-11-03 | 2011-06-08 | 张月荣 | Dynamic low pressure airflow atomizing sprayer |
-
2012
- 2012-06-25 CN CN201210208620.5A patent/CN102764712B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080571A (en) * | 1992-06-27 | 1994-01-12 | 谢承林 | Portable power driven sprayer |
| EP0998982A1 (en) * | 1998-11-02 | 2000-05-10 | Yamaho Industrial Co. Ltd. | Knapsack type sprayer comprising liquid pump and having floating air valve |
| CN2868440Y (en) * | 2006-02-16 | 2007-02-14 | 罗仙达 | Push-button type sprayer switch |
| US20090008473A1 (en) * | 2007-07-02 | 2009-01-08 | Jong-Dae Yun | Portable haze sprayer having multi-function |
| CN201855757U (en) * | 2010-11-03 | 2011-06-08 | 张月荣 | Dynamic low pressure airflow atomizing sprayer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399438A (en) * | 2016-08-24 | 2017-11-28 | 广州极飞科技有限公司 | Liquid storage container and its assembly method and unmanned plane |
| CN106417236A (en) * | 2016-10-12 | 2017-02-22 | 新疆工程学院 | Smoke generating device based on afterheat and rest pressure utilization of tail gas of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102764712B (en) | 2014-11-05 |
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