CN106428470A - Automatic rapid deflation device for miniature gas cylinder - Google Patents
Automatic rapid deflation device for miniature gas cylinder Download PDFInfo
- Publication number
- CN106428470A CN106428470A CN201610853013.2A CN201610853013A CN106428470A CN 106428470 A CN106428470 A CN 106428470A CN 201610853013 A CN201610853013 A CN 201610853013A CN 106428470 A CN106428470 A CN 106428470A
- Authority
- CN
- China
- Prior art keywords
- gas cylinder
- steering engine
- electric steering
- pricker
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/18—Inflatable equipment characterised by the gas-generating or inflation device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/18—Inflatable equipment characterised by the gas-generating or inflation device
- B63C9/19—Arrangements for puncturing gas-generating cartridges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention provides an automatic rapid deflation device for a miniature gas cylinder, comprising a control circuit, an electric actuator, a cylindrical end cam, a needle, a reset spring, a joint and a gas cylinder. The control circuit controls the electric actuator to rotate; the electric actuator drives the cylindrical end cam to rotate; the cylindrical end cam drives the needle to compress the reset spring, and the needle moves linearly along a cylindrical cavity and pierces the mouth of the gas cylinder. When the electric actuator crosses over the vertex of the cylindrical end cam, the needle can return to the initial position under the force applied by the reset spring; the gas in the gas cylinder is quickly released from the mouth of the gas cylinder, and the rapid automatic deflation is realized. The rapid automatic deflation device disclosed by the present invention has the advantages of being small in size, light in weight, fast in gas charging speed, free from space limitation when using and wide in application.
Description
Technical field
The present invention relates to the fast aeration systems technology such as human-body safety air bag, life vest field, especially relate to a kind of micro-
The automatic rapid degassing apparatus of type gas cylinder.
Background technology
Aging with body with advancing age, falls and often brings huge infringement to the body of the elderly, have
The consequence of Shi Zaocheng is even fatal.Fall and refer to burst, autonomous, not unintentional Body Position Change, be poured on ground or than just
In the lower plane in beginning position.Fall very universal in elderly population, had a strong impact on the healthy and independent of the elderly
Viability, and cause the psychological pressure of the elderly and fear.Also attract in the exploitation of the fall research protected and product
Large quantities of scientific workers.Tian Cun of current Chiba, Japan university etc. (Tamura T, Yoshimura T, Sekine m,
Uchida M,Tamura O.A wearable airbag to prevent fall injuries.In:IEEE
Transactions on Information Technology in Biomedicine,2009,13:910 914) with perfume (or spice)
Port Chinese University (Shi Guangyi, Cheung Shing Chan, Zhang Guanglie, et al., Towards a
mobile airbag system using MEMS sensor and embedded intelligence.In:
International Conference on Robotics and omimetics.2007:634-639) all have studied human body
Protection gas-bag system, but because the first-class reason of technology all fails popularization and application.A human body air bag major technique to be solved is asked
Topic is exactly fast aeration problem, and general Study thinks that inflation system must complete to inflate within about 500ms, can be only achieved protection
The purpose of human body.Although automotive Airbag Technology comparative maturity, because it is to produce gas by chemical reaction although response is fast
Degree quickly, but can release substantial amounts of heat and noise during venting, its gas generating unit volume, weight are also larger, no simultaneously
It is suitably applied on human body.The inflation technology also comparative maturity of water life jacket, but they are mostly Non-follow control or with water-soluble
Material automatically controls, and is also not suitable on physical protection air bag.
Air jacket is widely used in combination vessel, yacht, military, water policeman, revenue cutter waterborne, over-water construction operation, sea
Upper drilling platforms, fight flood and relieve victims, salvage the fields such as flood control, navigator, the hydrology, water conservancy application.Inflatable life jacket is because take at present
Carry the advantages of facilitate to be used widely, but its airing form is typically all firmly to pull the drawstring on aerating device to realize hand
Dynamic control or water-soluble material automatically control CO2 gas and are filled with air bag and produce buoyancy, the physics shape of this employing water-soluble substance
State changes to realize work, is inevitably present following defect:1st, make moist under the conditions of hot and humid and have inefficacy
Risk;2nd, meeting water freezing due to block after -30 temperature meets water causes spring slowly to discharge, and so that steel cylinder can not be punctured or puncture
Insufficient;3rd, water-soluble material, for the first use time limit in 2~3 years, causes the periodic inspection of air jacket relatively costly.This
Kind of air jacket seldom has the electronic product automatically controlling, thus its degree of intelligence not high it is impossible to fully enjoy microelectronics skill
The achievement of the development such as art, computer technology, also produces certain impact to the reliability of product.
The means of deflation being specifically designed for human-body safety air bag does not also occur in the market, has had a strong impact on physical protection
The exploitation of air bag product and popularization.
Content of the invention
Have in view of that it is necessary to for defect present in prior art, provide a kind of small volume, lightweight, inflation speed
The automatic rapid degassing apparatus soon and using the miniature gas cylinder being not limited by a space for the degree.
For achieving the above object, the present invention adopts following technical proposals:
A kind of automatic rapid degassing apparatus of miniature gas cylinder, including:Control circuit, it is electrically connected at described control circuit
Electric steering engine, be electrically connected at described electric steering engine edge cam, be connected to described edge cam pricker, be sheathed on described
Back-moving spring on pricker, joint and gas cylinder, on the identical end face of described joint, interval offers the first aperture and with described first
The second orifice that aperture connects, described gas cylinder is fixedly connected on described joint by described first aperture, on described joint
3rd aperture is further opened with the end face relative with described first aperture, described pricker is arranged at described 3rd little in the hole, and institute
State the 3rd aperture and pass through cylindrical cavity and described first keyhole formation passage, and described first aperture, the 3rd aperture and described circle
The center of circle that post cavity is located is in same level;Wherein:
Described control circuit controls described electric steering engine rotation, and described electric steering engine drives described edge cam to rotate, institute
Stating edge cam drives the described pricker described back-moving spring of compression to move along a straight line along described cylindrical cavity, and punctures described gas cylinder
Bottleneck;After the peak of described edge cam crossed by described electric steering engine, described pricker is in the effect of described back-moving spring
Return under power, the gas in described gas cylinder is quickly released from the bottleneck of described gas cylinder, realizes fast automatic venting.
In certain embodiments, also include connector, described connector is all fixing with described electric steering engine and described joint
Connect.
In certain embodiments, described control circuit includes booster circuit and drive circuit, and described booster circuit electrically connects
It is connected to external connection battery, described booster circuit is used for the low-voltage of described battery to be transformed into described electric steering engine required voltage,
Described drive circuit is electrically connected at microprocessor, and described drive circuit is used for the output signal of described microprocessor to change into
Drive the electric signal of described electric steering engine.
In certain embodiments, described edge cam includes a smooth end face and the convex surface with smooth surface, in institute
State the through hole having between end face and convex surface with teeth groove, described through hole is matched with the tooth of described electric steering engine axle, when described
When electric steering engine drives described edge cam to rotate, slide along the convex surface of described edge cam in one end of described pricker, thus pushing away
Dynamic described pricker is along rectilinear movement.
In certain embodiments, the convex surface of described edge cam has two or more projections.
In certain embodiments, described pricker include two sections with one heart but the different cylinder of diameter, wherein, the little cylinder of diameter
Top be in inclined-plane, the top of the big cylinder of diameter is spherical.
In certain embodiments, the top of the big cylinder of described diameter is also equipped with steel ball.
In certain embodiments, the little cylinder of described diameter is further opened with extending through the through hole of side from top.
In certain embodiments, the material of described pricker is steel alloy.
In certain embodiments, described gas cylinder internal memory contains liquid CO of compression2.
The advantage using technique scheme for the present invention is:
The present invention provide miniature gas cylinder automatic rapid degassing apparatus include control circuit, electric steering engine, end face convex
Wheel, pricker, back-moving spring, joint and gas cylinder, described control circuit controls described electric steering engine rotation, and described electric steering engine drives
Described edge cam rotates, and described edge cam drives described pricker to compress described back-moving spring and does straight line along described cylindrical cavity
Motion, and puncture the bottleneck of described gas cylinder;After the peak of described edge cam crossed by described electric steering engine, described pricker exists
Return under the active force of described back-moving spring, the gas in described gas cylinder is quickly released from the bottleneck of described gas cylinder, realize quick
Automatic deflation, automatic rapid degassing apparatus small volume that the application provides, lightweight, aeration speed are fast and using not limited by space
System, suitable scope is wide.
Brief description
Fig. 1 is the automatic rapid degassing apparatus structural representation of miniature gas cylinder provided in an embodiment of the present invention.
Fig. 2 is the partial structural diagram of the automatic rapid degassing apparatus of miniature gas cylinder provided in an embodiment of the present invention.
Fig. 3 is the structural representation of the joint of automatic rapid degassing apparatus of miniature gas cylinder provided in an embodiment of the present invention.
Fig. 4 is the structural representation of the edge cam of automatic rapid degassing apparatus of miniature gas cylinder provided in an embodiment of the present invention
Figure.
Fig. 5 is the structural representation of the pricker of automatic rapid degassing apparatus of miniature gas cylinder provided in an embodiment of the present invention.
Specific embodiment
Refer to Fig. 1 to Fig. 5, be a kind of automatic rapid degassing apparatus of miniature gas cylinder provided in an embodiment of the present invention, bag
Include control circuit 110, be electrically connected at the electric steering engine 120 of described control circuit 110, be electrically connected at described electric steering engine
120 edge cam 130, the pricker 140 being connected to described edge cam 130, the back-moving spring being sheathed on described pricker 140
150th, joint 160 and gas cylinder 170.Wherein:
Described control circuit 110 includes booster circuit 111 and drive circuit 112, and described booster circuit 111 is electrically connected at
External connection battery 113, described booster circuit 111 is used for the low-voltage of described battery 113 to be transformed into the described electric steering engine 120 of driving
Required voltage, described drive circuit 112 is electrically connected at microprocessor 114, and described drive circuit 112 is used for described micro- place
The output signal of reason device 114 changes into the electric signal driving described electric steering engine 120.It is appreciated that due to electric steering engine 120 energy
Enough with less volume and voltage, export larger torque, and respond very fast, so devise liter for electric steering engine 120
Volt circuit and drive circuit, are solved electric steering engine and are mated with supply voltage and electric steering engine and microprocessor driven signal
Matching problem, facilitates the connection of this device and various application systems, can simplify system design.
Edge cam 130 includes a smooth end face 131 and the convex surface 132 with smooth surface, in described end face 131 and
The through hole 133 with teeth groove is had, described through hole 133 is matched with the axle tooth of described electric steering engine 120 between convex surface 132, when
When described electric steering engine 120 drives described edge cam 130 to rotate, one end of described pricker 140 is along described edge cam 130
Convex surface 132 slides, thus promoting described pricker along rectilinear movement, effectively improving edge cam 130 and promoting pricker 140 to puncture gas
The stability of bottle 170.
Preferably, the convex surface of described edge cam 130 has two or more projections.It is appreciated that edge cam 130 is convex
Face 132 can have two or more projections, form many rises, that is, can promote during edge cam 130 rotates a circle
Pricker repeatedly punctures gas cylinder 170, so ensure that gas cylinder is punctured completely, improves the quick reliability released of gas.
Described pricker 140 include two sections with one heart but the different cylinder of diameter, wherein, the top of the little cylinder of diameter 141 is in
Inclined-plane, the top of the big cylinder of diameter 142 is spherical, and the material of described pricker 140 is steel alloy.It is appreciated that in thrust
One timing, the top of the little cylinder of diameter 141 is in inclined-plane, and pressure is more greatly it is easier to puncture the film of bottle mouth of gas cylinder, and diameter is big
Cylinder 142 top spherical, advantageously reduce and disc cam between friction, reduce abrasion.
Preferably, the top of the big cylinder of described diameter 142 is also equipped with steel ball.It is appreciated that because described diameter is big
The top of cylinder 142 be also equipped with steel ball, such pricker 140 and edge cam 130 form rolling friction, can greatly reduce footpath
To power and abrasion, improve the stability that mechanism runs.
Preferably, the little cylinder of described diameter 141 is further opened with extending through the through hole of side from top.It is appreciated that by
End face center in the little cylinder 141 of pricker 140 diameter opens the side that a hole extends through cylinder, to prevent pricker from puncturing gas cylinder
The problem blocked afterwards and can not smoothly exit, when pricker 140 blocks, the gas in gas cylinder just can be put from needling end plane hole
Go out, then release gas from venthole.
Interval is offered the first aperture 161 and is connected with described first aperture 161 on the identical end face of described joint 160
Second orifice 162.
Wherein, described gas cylinder 170 is fixedly connected on described joint 160 by described first aperture 161.Preferably, institute
State the first aperture 161 and be provided with rotation screw thread, the bottleneck of gas cylinder 170 and described first aperture can be realized by rotating screw thread
161 be fixedly connected.
It is further opened with the 3rd aperture 163, described thorn on the end face relative with described first aperture 161 on described joint 160
Pin 140 is arranged in described 3rd aperture 163, and described 3rd aperture 163 passes through cylindrical cavity 164 and described first aperture
161 formation passages, and the center of circle that described first aperture 161, the 3rd aperture 163 and described cylindrical cavity 164 are located is in same water
Plane.
Preferably, the diameter with diameter greater than described cylindrical cavity 164 of described 3rd aperture 161 but less than described first little
The diameter in hole 161, so can improve the pressure in whole space, quickly release beneficial to gas.
It is appreciated that when described control circuit 110 controls described electric steering engine 120 to rotate, described electric steering engine 120 drives
Described edge cam 130 rotates, and described edge cam 130 drives described pricker 140 to compress described back-moving spring 150 along described circle
Post cavity 164 moves along a straight line, and punctures the bottleneck of described gas cylinder 170;When described edge cam crossed by described electric steering engine 120
After 130 peak, described pricker 140 returns under the active force of described back-moving spring 150, the gas in described gas cylinder 170
Release quickly through described second orifice 162 from the bottleneck of described gas cylinder 170, realize fast automatic venting.
Preferably, gas cylinder 170 Main Function is storage compressed gas.The inner dress of gas cylinder 170 is liquid CO compressed2.Can
To understand, carbon dioxide is a kind of inert gas, non-combustible, non-explosive, comparatively stable than hydrogen, oxygen, also compares peace
Entirely, and its critical-temperature is also apparently higher than other compressed gas, thus from compression carbon dioxide as source of the gas.Simultaneously
It is with low cost and is commercially very easy to obtain, and has the different specification such as 8g, 12g, 16g, 22g, can meet not
The occasion requiring with inflation.
Preferably, also include connector 180, described connector 180 is equal with described electric steering engine 120 and described joint 160
It is fixedly connected.It is appreciated that needing larger power because edge cam 130 drives pricker 140 to puncture gas cylinder 170, nature is to electricity
Also ratio is larger for the counter-force of dynamic steering wheel 120, can open internal thread hole to lock electric steering engine 120 and joint 160 on connector 180
Connection, can effectively prevent loosen impact mechanism execution.
The automatic rapid degassing apparatus of the miniature gas cylinder that the present invention provides include control circuit 110, electric steering engine 120, end
Face cam 130, pricker 140, back-moving spring 150, joint 160 and gas cylinder 170, described control circuit 110 controls described electronic rudder
Machine 120 rotates, and described electric steering engine 120 drives described edge cam 130 to rotate, and described edge cam 130 drives described pricker
The 140 described back-moving springs 150 of compression move along a straight line along described cylindrical cavity 164, and puncture the bottleneck of described gas cylinder 170;When
After the peak of described edge cam 130 crossed by described electric steering engine 120, described pricker 140 is in the work of described back-moving spring 150
Firmly lower return, the gas in described gas cylinder 170 is quickly released from the bottleneck of described gas cylinder, realizes fast automatic venting, this Shen
The automatic rapid degassing apparatus small volume that please provide, lightweight, aeration speed are fast and using being not limited by a space, suitable scope
Extensively.
Additionally, the present invention using electric steering engine generation action it is achieved that venting the electronic control automatically controlling, designing simultaneously
Circuit processed, can facilitate and mate with the electric current of various microprocessor systems, voltage and driving load, easily realize intelligence and automatically control
System.
Because the present invention adopts Electronic control, can in the air, use in land, can also be in water when sealing preferable
Middle use, use occasion is unrestricted, is suitable in extensive range.
In addition, the part that the present invention uses is less, volume mass is all little, not only can be used on equipment, it is possible to use
On the portable equipment that human body uses.
Meanwhile, because being the executing agency through particular design, not only torque is big for electric steering engine, and responds very fast.
The present invention adopts electric steering engine as execution unit, and in combining invention, other mechanisms of design, make above-mentioned automatic Rapid degassing
Device response speed is exceedingly fast, and can discharge gas in 300ms.
Certainly the automatic rapid degassing apparatus of the miniature gas cylinder of the present invention also can have multiple conversion and retrofit, and do not limit to
Concrete structure in above-mentioned embodiment.In a word, protection scope of the present invention should include those for ordinary skill people
Obvious conversion or replacement and remodeling for member.
Claims (10)
1. a kind of automatic rapid degassing apparatus of miniature gas cylinder are it is characterised in that include:Control circuit, be electrically connected at described
The electric steering engine of control circuit, be electrically connected at described electric steering engine edge cam, be connected to described edge cam pricker,
Be sheathed on back-moving spring on described pricker, joint and gas cylinder, on the identical end face of described joint interval offer the first aperture and
The second orifice connecting with described first aperture, described gas cylinder is fixedly connected on described joint by described first aperture,
3rd aperture is further opened with the end face relative with described first aperture on described joint, it is little that described pricker is arranged at the described 3rd
In the hole, and described 3rd aperture passes through cylindrical cavity and described first keyhole formation passage, and described first aperture, the 3rd aperture
And the center of circle that described cylindrical cavity is located is in same level;Wherein:
Described control circuit controls described electric steering engine rotation, and described electric steering engine drives described edge cam to rotate, described end
Face cam drives described pricker to compress described back-moving spring and moves along a straight line along described cylindrical cavity, and punctures the bottle of described gas cylinder
Mouthful;After the peak of described edge cam crossed by described electric steering engine, described pricker is under the active force of described back-moving spring
Return, the gas in described gas cylinder is released quickly through described second orifice from the bottleneck of described gas cylinder, realizes fast automatic putting
Gas.
2. the automatic rapid degassing apparatus of miniature gas cylinder according to claim 1 are it is characterised in that also include connector,
Described connector is fixedly connected with described electric steering engine and described joint.
3. the automatic rapid degassing apparatus of miniature gas cylinder according to claim 1 are it is characterised in that described control circuit bag
Include booster circuit and drive circuit, described booster circuit is electrically connected at external connection battery, described booster circuit is used for described electricity
The low-voltage in pond is transformed into the described electric steering engine required voltage of driving, and described drive circuit is electrically connected at microprocessor, institute
State drive circuit for the output signal of described microprocessor is changed into the electric signal driving described electric steering engine.
4. the automatic rapid degassing apparatus of miniature gas cylinder according to claim 1 are it is characterised in that described edge cam bag
Include a smooth end face and the convex surface with smooth surface, have the through hole with teeth groove, institute between described end face and convex surface
The tooth stating through hole with described electric steering engine axle matches, when described electric steering engine drives described edge cam to rotate, described thorn
Slide along the convex surface of described edge cam in one end of pin, thus promoting described pricker along rectilinear movement.
5. the automatic rapid degassing apparatus of miniature gas cylinder according to claim 4 are it is characterised in that described edge cam
Convex surface has two or more projections.
6. the automatic rapid degassing apparatus of miniature gas cylinder according to claim 1 are it is characterised in that described pricker includes two
Duan Tongxin but the different cylinder of diameter, wherein, the top of the little cylinder of diameter is in inclined-plane, and the top of the big cylinder of diameter is in ball
Face.
7. the automatic rapid degassing apparatus of miniature gas cylinder according to claim 6 are it is characterised in that the big circle of described diameter
The top of post is also equipped with steel ball.
8. the automatic rapid degassing apparatus of miniature gas cylinder according to claim 6 are it is characterised in that the little circle of described diameter
Post is further opened with extending through the through hole of side from top.
9. the automatic rapid degassing apparatus of miniature gas cylinder according to claim 6 are it is characterised in that the material of described pricker
For steel alloy.
10. the automatic rapid degassing apparatus of miniature gas cylinder according to claim 1 are it is characterised in that described gas cylinder internal memory
Contain liquid CO of compression2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610853013.2A CN106428470A (en) | 2016-09-27 | 2016-09-27 | Automatic rapid deflation device for miniature gas cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610853013.2A CN106428470A (en) | 2016-09-27 | 2016-09-27 | Automatic rapid deflation device for miniature gas cylinder |
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CN106428470A true CN106428470A (en) | 2017-02-22 |
Family
ID=58170363
Family Applications (1)
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CN201610853013.2A Pending CN106428470A (en) | 2016-09-27 | 2016-09-27 | Automatic rapid deflation device for miniature gas cylinder |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108100186A (en) * | 2017-12-19 | 2018-06-01 | 深圳先进技术研究院 | The automatic rapid degassing apparatus of miniature gas cylinder |
CN110946349A (en) * | 2019-12-13 | 2020-04-03 | 深圳先进技术研究院 | Device for simultaneously puncturing double gas cylinders |
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CN202389583U (en) * | 2011-12-07 | 2012-08-22 | 宁波大学 | Throwing type lifesaving device |
CN103418095A (en) * | 2013-08-09 | 2013-12-04 | 中国科学院深圳先进技术研究院 | Air bag restraint system |
WO2014018332A1 (en) * | 2012-07-23 | 2014-01-30 | Carleton Technologies, Inc. | Inflator assembly adapted for manual or automatic inflation |
CN103600819A (en) * | 2013-10-28 | 2014-02-26 | 陈付峰 | Swimming self-rescue vest |
CN106043626A (en) * | 2016-07-20 | 2016-10-26 | 太原融盛科技有限公司 | Water-disaster grapple shot and throwing device thereof |
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2016
- 2016-09-27 CN CN201610853013.2A patent/CN106428470A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US6422420B1 (en) * | 2001-05-15 | 2002-07-23 | Dennis Brown | Compressed gas safety inflator for life vests, life rafts and the like |
CN202389583U (en) * | 2011-12-07 | 2012-08-22 | 宁波大学 | Throwing type lifesaving device |
WO2014018332A1 (en) * | 2012-07-23 | 2014-01-30 | Carleton Technologies, Inc. | Inflator assembly adapted for manual or automatic inflation |
CN103418095A (en) * | 2013-08-09 | 2013-12-04 | 中国科学院深圳先进技术研究院 | Air bag restraint system |
CN103600819A (en) * | 2013-10-28 | 2014-02-26 | 陈付峰 | Swimming self-rescue vest |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108100186A (en) * | 2017-12-19 | 2018-06-01 | 深圳先进技术研究院 | The automatic rapid degassing apparatus of miniature gas cylinder |
CN110946349A (en) * | 2019-12-13 | 2020-04-03 | 深圳先进技术研究院 | Device for simultaneously puncturing double gas cylinders |
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Application publication date: 20170222 |