CN103629521A - Integrated air inflating device of safety air bags - Google Patents
Integrated air inflating device of safety air bags Download PDFInfo
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- CN103629521A CN103629521A CN201310526636.5A CN201310526636A CN103629521A CN 103629521 A CN103629521 A CN 103629521A CN 201310526636 A CN201310526636 A CN 201310526636A CN 103629521 A CN103629521 A CN 103629521A
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Abstract
The invention discloses an integrated air inflating device of safety air bags. The integrated air inflating device comprises an air inflating tank, an air inflating tank starting device, an air guide device and a control circuit, wherein the air inflating tank is formed by welding a tank body and a seal cover; the air inflating tank starting device consists of piezoelectric a material ring, a firing pin and a compression spring; the air guide device consists of a pressing plate with air holes and an air guide nozzle; the control circuit is composed of an acceleration sensor, a central controller and a switch. The air inflating device provided by the invention integrates the air inflating tank starting device and the air inflating tank, so that the air inflating device is compact in structure and high in anti-interference property; the air inflating tank can be rapidly and fully automatically started in multiple working states; the air inflating device is simple in structure, convenient to operate, safe and reliable, starts flexibly, is high in controllability, can be used for rapidly inflating air bag clothes of drivers of motorcycles and electric bicycles, air bag clothes for sea survival and the like, effectively improves the safety performance of the air bag clothes, and promotes the application of the air bag clothes in the field of security and protection.
Description
Technical field
The present invention relates to a kind of device for air-sac garment inflations such as motorcycle air-sac garment, electric bicycle air-sac garment, sea rescue air-sac garments, especially a kind of inflator that adopts piezoelectric material ring to control, belongs to safety device technical field.
Background technique
Along with the raising of scientific and technological development and people's level, there are the traffic tool of wide range of forms, facilitated to a certain extent daily life, but a series of safety problems of the thing followed hamper the development of the traffic tool always.Motorcycle and electric bicycle are as a kind of practical traffic tool; be subject to numerous drivers' favor; but motorcycle and electric bicycle are because self structure is simple; motorcycle and electric bicycle driver's personal safety do not possess perfect safe-guard system, therefore can not well be protected.For the problems referred to above current research person, developed a kind of motorcycle safety air-sac garment, driver dresses the life safety that this kind of airbag clothes can effectively be protected self.
The patent No. is that ZL200920270658.9 has proposed a kind of airbag and takes inflator, and it utilizes Motor-cyclist to encounter by motorcycle when unexpected, and driver launches the pulling force that leaves motorcycle.By pulling force, pull out the sword wushu latch (startup bolt) that is arranged at " wedge-like, pulley extruded type aeration tank ".Be arranged at two pulleys of plastic base the inside.Establish stationary axle on one side, Yi Bian be located on movable jacking block, when pulling sword wushu latch, stationary axle pulley withstands sword wushu latch tail end, makes sword wushu latch tail end skew extruding jacking block pulley, jacking block extruding striker.When the pulling force for sword wushu latch reaches 15-20 kilogram, sword wushu latch is passive pulls out and departs from aeration tank, striker needle point breaks up gas cylinder lid simultaneously, and gas cylinder is filled with TPU air bag bag by CO2 gas by air valve valve, thereby within the extremely short time, completes the inflation of air-sac garment.
Air-sac garment inflator of the prior art often relies on driver in accident, to detain the startup bolt that draws inflator, thereby open inflation and filled with air-sac garment inflation, but the difference due to the situation in traffic accident is complicated and changeable and driver deals with an urgent situation ability, cause some drivers can not open timely air-sac garment, simultaneously airbag aeration can opener complex structure of the prior art, automaticity are low, the unlatching of air-sac garment while having affected further accident.The existence of the problems referred to above has affected the safety protection of air-sac garment to user to a certain extent, has hindered the development process of air-sac garment.
Summary of the invention
technical problem
the technology that the present invention will solve is to provide a kind of device for air-sac garment inflations such as motorcycle air-sac garment, electric bicycle air-sac garment, sea rescue air-sac garments, this inflator adopts control circuit to control aeration tank opening device and opens, aeration tank opening device and aeration tank are integrated in one simultaneously, make inflator simple in structure, start sensitive, automaticity is high, can promote the development of the airbag clothes of motorcycle and electric bicycle.
technological scheme
In order to solve above-mentioned technical problem, integrated form airbag of the present invention comprises aeration tank, aeration tank opening device, air-guide device and control circuit with inflator, and described aeration tank is comprised of tank body and sealing cover; In described tank body, be provided with a goblet, one end of described goblet opening is fixed on sealing cover by pressing plate, and one end of goblet sealing is provided with a weakening area; Described aeration tank opening device comprises striker and piezoelectric material ring, along striker, axially adopt the mode of interference fit to be fixedly arranged in the interior annular distance of piezoelectric material ring, the outer ring surface of piezoelectric material ring is fixedly arranged in goblet, and piezoelectric material ring is connected in control circuit by wire; The head of described striker is towards described weakening area, and the afterbody end of striker is provided with a blind hole, is provided with a Compress Spring in described blind hole; Described Compress Spring one end contacts with the lower surface of blind hole, and the pressing plate inner side surface that the other end is provided with air-guide device contacts; A plurality of pores and gas guide nozzle that described air-guide device is provided with by pressing plate center form, and gas guide nozzle is located at the residing region of pore, and described gas guide nozzle is fixed on the outer side surface of pressing plate, and the inner side surface place of pressing plate is provided with a Sealing.
Further, described weakening area is cross.
Further, described control circuit is comprised of the acceleration transducer of connecting successively, central controller and switch, and described acceleration transducer is installed on vehicle body.
Further, described piezoelectric material ring is ring-type piezoelectric stack or piezoelectric ceramic ring, and piezoelectric material ring at least consists of a slice ring-type piezoelectric stack or piezoelectric ceramic ring, and described piezoelectric material ring is made axial fore and aft motion when energising.
Further, described Compress Spring original state is in compression Pre strained state, and its pretightening force applying is greater than cross that sealing cover is provided with and weakens groove and destroy needed active force.
Integrated form inflator of the present invention is positioned over dry ice in tank body under low temperature environment, then adopts the mode of welding that sealing cover is welded in to tank body, treats aeration tank sealing completely, at the outer surface of aeration tank, plates one deck inert material.In piezoelectric material ring, in annular distance, adopt the mode of interference fit to be installed with a striker, then the piezoelectric material ring outer ring surface that is installed with striker is fixedly arranged on to goblet by gluing mode; In blind hole, place a Compress Spring simultaneously, mode with bolts is fixed on inflation by pressing plate fills with, make Compress Spring in compression Pre strained state, in order to prevent the leakage of gas, between pressing plate and inflation filling, be provided with a Sealing, the gas guide nozzle that its center platen is provided with is connected with the suction port of air-sac garment, finally to the default safe accekeration that human body can bear of control circuit.
When vehicle and other objects bump, the operation acceleration generation great change of vehicle, being fixed on acceleration transducer on vehicle body monitors the operation acceleration of vehicle now and this abnormal signal is transmitted to central controller analysis and judge, if accekeration now surpasses default accekeration, central controller starts control circuit, state control circuit in work adds a driving voltage to piezoelectric material circulating application, the piezoelectric stack that obtains driving voltage is done axial stretching motion, thereby discharging striker makes striker in released state, striker under released state crashes through the cross weakening groove that goblet bottom faces is provided with under the effect of Compress Spring pretightening force, make inflation fill with inner CO under high pressure conditions
2by pore, by gas guide nozzle, enter airbag and take, rapidly the inflation of air-sac garment completely.
beneficial effect
Inflator of the present invention becomes one aeration tank opening device and aeration tank, makes close structure, the strong interference immunity of inflator; Adopt the real time acceleration of acceleration transducer monitor vehicle simultaneously, by control circuit, control striker and move, can realize and under multiple working state, rapidly, automatically open aeration tank.This kind of inflator be simple in structure, easy to operate, safe and reliable, it is sensitive to start, controllability is high, can promptly complete the inflation of air bag, effectively raises airbag safety performance, promoted the application of air bag at safety-security area.
Accompanying drawing explanation
Fig. 1 is inflator general assembly structural representation of the present invention;
Fig. 2 is the structural representation of inflator aeration tank of the present invention;
Fig. 3 is the structural representation of inflator striker of the present invention;
Fig. 4 is inflator working state schematic representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technological scheme of the present invention is further described.
As shown in Figure 1, the integrated form airbag inflator of the present embodiment, comprise inflation filling, aeration tank opening device, air-guide device and control circuit, the second flange 33 welded seals that the first flange 11 that described inflation filling is provided with by tank body 1 and sealing cover 3 are provided with, described sealing cover 3 is provided with a goblet 32, and described goblet 32 bottom center places are provided with cross and weaken groove 31; Described cross weakens groove 31 and is just being located at striker 4 head end that aeration tank opening device is provided with, described striker 4 outer surfaces 43 are processed into multidiameter shaft shape, along striker 4, axially adopt the mode of interference fit striker 4 to be fixedly arranged in the interior annular distance of piezoelectric material ring 6, the outer ring surface of piezoelectric material ring 6 adopts gluing mode to be fixedly arranged on goblet 32, and piezoelectric material ring 6 is connected in control circuit 11 by wire; Described striker 4 afterbody ends are provided with a blind hole 42, are provided with a Compress Spring 5 in described blind hole 42; Described Compress Spring 5 one end contact with the lower surface of blind hole 42, the pressing plate 9 that the other end is provided with air-guide device contacts, described pressing plate 9 centers are provided with a plurality of pores 10, the location of the pore 10 that pressing plate 9 is provided with is provided with a gas guide nozzle 12, described gas guide nozzle 12 is fixed on the outer side surface of pressing plate 9 by the mode of welding, the inner side surface place of pressing plate 9 is provided with a Sealing 7, and the mode that described air-guide device is bolted is fixed in inflation and fills with; Described control circuit 11 is comprised of the velocity transducer being in series, central controller and switch, and described acceleration transducer is installed on vehicle body.
As shown in Figure 1 and Figure 2, in the present embodiment, tank body 1 adopts the method processing and fabricating of punching press, described sealing cover 3 center portions are provided with a goblet 32, in the bottom faces of goblet 32, process a cross and weaken groove 31 simultaneously, under low temperature environment, dry ice 2 is placed in tank body 1, the second flange 33 that the mode of employing welding is provided with sealing cover 3 is welded in the first flange 11 that tank body 1 is provided with, thereby realize the sealing that inflation is filled with, in order to preserve for a long time inflation, fill with, in inflation, fill with outer surface and be coated with one deck inert material.
As shown in Figure 3, in the present embodiment, one end of striker 4 is cone 41, described cone 41 is right against the cross weakening groove 31 that sealing cover 3 is provided with, the other end of striker 4 is provided with a blind hole 42, in blind hole 42, be provided with a Compress Spring 5, striker 4 outer surfaces 43 are processed into multidiameter shaft shape, in the interior annular distance of the piezoelectric material ring 6 that the mode by striker 4 outer surfaces 43 by interference fit is fixedly arranged on, then the outer ring surface that is installed with the piezoelectric material ring 6 of striker 4 is fixed in the goblet 32 that sealing cover 3 is provided with by gluing mode.
The working procedure of the inflator of the present embodiment is described below in conjunction with Fig. 1, Fig. 4:
First, under low temperature environment, dry ice 2 is positioned over to tank body 1, then adopts the mode of welding that sealing cover 3 is welded in to tank body 1, treat inflation filling sealing completely, the outer surface of filling with in inflation plates one deck inert material.At striker 4 outer surfaces 43, be fixedly arranged in the interior annular distance of piezoelectric material ring 6, then the outer ring surface of piezoelectric material ring 6 is fixed on to goblet 32 by gluing mode, simultaneously at interior placement one Compress Spring 5 of blind hole 42, mode with bolts is fixed on inflation by pressing plate 9 fills with, make Compress Spring 5 in compression Pre strained state, default pretightening force is greater than the needed active force of cross weakening groove 31 destruction that sealing cover 3 is provided with, the gas guide nozzle 12 that its center platen 9 is provided with is connected with the suction port of air-sac garment, in order to prevent the leakage of gas, between pressing plate 8 and inflation filling, be provided with a Sealing 7, finally to the default safe accekeration that human body can bear of control circuit, its initialization view as shown in Figure 1.
When vehicle and other objects bump, the operation acceleration generation great change of vehicle, being fixed on acceleration transducer on vehicle body monitors the operation acceleration of vehicle now and this abnormal signal is transmitted to central controller analysis and judge, if accekeration now surpasses default accekeration, central controller starts control circuit 11, state control circuit 11 in work applies a driving voltage to piezoelectric material ring 6, the piezoelectric material ring 6 that obtains driving voltage is done axial stretching motion, thereby discharging striker 4 makes striker 4 in released state, striker 4 under released state crashes through the cross weakening groove 31 that goblet 32 bottom faces are provided with under the effect of Compress Spring 5 pretightening forces, make inflation fill with inner CO under high pressure conditions
2by pore 10, by gas guide nozzle 12, enter airbag and take, the inflation of air-sac garment completely rapidly, its working state schematic representation is as shown in Figure 4.
Claims (5)
1. an integrated form airbag inflator, comprises aeration tank, aeration tank opening device, air-guide device and control circuit, it is characterized in that, described aeration tank is comprised of tank body (1) and sealing cover (3); In described tank body (1), be provided with a goblet (32), it is upper that one end of described goblet (32) opening is fixed on sealing cover (3) by pressing plate (9), and one end of goblet (32) sealing is provided with a weakening area; Described aeration tank opening device comprises striker (4) and piezoelectric material ring (6), along striker (4), axially adopt the mode of interference fit to be fixedly arranged in the interior annular distance of piezoelectric material ring (6), the outer ring surface of piezoelectric material ring (6) is fixedly arranged in goblet (32), and piezoelectric material ring (6) is connected in control circuit (11) by wire; The head of described striker (4) is towards described weakening area, and the afterbody end of striker (4) is provided with a blind hole (42), is provided with a Compress Spring (5) in described blind hole (42); Described Compress Spring (5) one end contacts with the lower surface of blind hole (42), and the pressing plate that the other end is provided with air-guide device (9) inner side surface contacts; A plurality of pores (10) and gas guide nozzle (12) that described air-guide device is provided with by pressing plate (9) center form, gas guide nozzle (12) is located at the residing region of pore (10), described gas guide nozzle (12) is fixed on the outer side surface of pressing plate (9), and the inner side surface place of pressing plate (9) is provided with a Sealing (7).
2. integrated form airbag inflator as claimed in claim 1, is characterized in that, described weakening area is cross.
3. integrated form airbag inflator as claimed in claim 1, is characterized in that, described control circuit (11) is comprised of the acceleration transducer of connecting successively, central controller and switch, and described acceleration transducer is installed on vehicle body.
4. integrated form airbag inflator as claimed in claim 1, it is characterized in that, described piezoelectric material ring (6) is ring-type piezoelectric stack or piezoelectric ceramic ring, piezoelectric material ring (6) at least consists of a slice ring-type piezoelectric stack or piezoelectric ceramic ring, and described piezoelectric material ring (6) is made axial fore and aft motion when energising.
5. integrated form airbag inflator as claimed in claim 1, it is characterized in that, described Compress Spring (5) original state is in compression Pre strained state, and its pretightening force applying is greater than cross that sealing cover (3) is provided with and weakens groove (31) and destroy needed active force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526636.5A CN103629521A (en) | 2013-10-30 | 2013-10-30 | Integrated air inflating device of safety air bags |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526636.5A CN103629521A (en) | 2013-10-30 | 2013-10-30 | Integrated air inflating device of safety air bags |
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| CN103629521A true CN103629521A (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310526636.5A Pending CN103629521A (en) | 2013-10-30 | 2013-10-30 | Integrated air inflating device of safety air bags |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836332A (en) * | 2014-03-20 | 2014-06-04 | 厦门大学 | Piezoelectric-driven gas storage device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1281652A (en) * | 1969-02-04 | 1972-07-12 | Dynamit Nobel Ag | Improvements in or relating to electric switch devices |
| EP0642146A2 (en) * | 1993-09-03 | 1995-03-08 | Texas Instruments Incorporated | Pressure switch apparatus |
| US5653463A (en) * | 1995-06-30 | 1997-08-05 | Daewoo Electronics Co, Ltd. | Hybrid inflating assembly using a projectile |
| US5893584A (en) * | 1997-07-08 | 1999-04-13 | Welz Industrie-Produkte Gmbh | Method and apparatus for opening a gas container |
| CN2621454Y (en) * | 2003-05-09 | 2004-06-30 | 林国坤 | Guard dress for motorcycle |
| CN201526801U (en) * | 2009-11-23 | 2010-07-14 | 陈立德 | Wedge shape pulley extrusion type inflation tank |
| CN102182780A (en) * | 2011-05-12 | 2011-09-14 | 南京农业大学 | Piezoelectric power generation air spring |
| CN102726851A (en) * | 2012-06-05 | 2012-10-17 | 高春甫 | Gas bag starting device for gas bag garment and gas bag garment with starting device |
| CN203594970U (en) * | 2013-10-30 | 2014-05-14 | 南京航空航天大学 | Integrated type inflatable device for safe air bag |
-
2013
- 2013-10-30 CN CN201310526636.5A patent/CN103629521A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1281652A (en) * | 1969-02-04 | 1972-07-12 | Dynamit Nobel Ag | Improvements in or relating to electric switch devices |
| EP0642146A2 (en) * | 1993-09-03 | 1995-03-08 | Texas Instruments Incorporated | Pressure switch apparatus |
| US5653463A (en) * | 1995-06-30 | 1997-08-05 | Daewoo Electronics Co, Ltd. | Hybrid inflating assembly using a projectile |
| US5893584A (en) * | 1997-07-08 | 1999-04-13 | Welz Industrie-Produkte Gmbh | Method and apparatus for opening a gas container |
| CN2621454Y (en) * | 2003-05-09 | 2004-06-30 | 林国坤 | Guard dress for motorcycle |
| CN201526801U (en) * | 2009-11-23 | 2010-07-14 | 陈立德 | Wedge shape pulley extrusion type inflation tank |
| CN102182780A (en) * | 2011-05-12 | 2011-09-14 | 南京农业大学 | Piezoelectric power generation air spring |
| CN102726851A (en) * | 2012-06-05 | 2012-10-17 | 高春甫 | Gas bag starting device for gas bag garment and gas bag garment with starting device |
| CN203594970U (en) * | 2013-10-30 | 2014-05-14 | 南京航空航天大学 | Integrated type inflatable device for safe air bag |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836332A (en) * | 2014-03-20 | 2014-06-04 | 厦门大学 | Piezoelectric-driven gas storage device |
| CN103836332B (en) * | 2014-03-20 | 2015-09-09 | 厦门大学 | Piezoelectric Driving store device of air |
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Owner name: NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS Free format text: FORMER OWNER: YANGZHOU XINWO MACHANICAL AND ELECTRICAL TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20140217 |
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Free format text: CORRECT: ADDRESS; FROM: 225002 YANGZHOU, JIANGSU PROVINCE TO: 210016 NANJING, JIANGSU PROVINCE |
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Effective date of registration: 20140217 Address after: Yudaojie Nanjing 210016 Jiangsu province No. 29 Applicant after: Nanjing University of Aeronautics and Astronautics Address before: 225002 B4 building, science and Technology Pioneer Park, Guangling Economic Development Zone, Guangling District, Yangzhou, Jiangsu Applicant before: YANGZHOU XINWO ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT CO., LTD. |
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Application publication date: 20140312 |