CN102582400B - Anti-collision head device of automobile door and anti-collision method thereof - Google Patents
Anti-collision head device of automobile door and anti-collision method thereof Download PDFInfo
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- CN102582400B CN102582400B CN201210047218.3A CN201210047218A CN102582400B CN 102582400 B CN102582400 B CN 102582400B CN 201210047218 A CN201210047218 A CN 201210047218A CN 102582400 B CN102582400 B CN 102582400B
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Abstract
The invention provides an anti-collision head device of an automobile door and an anti-collision method thereof, belongs to the technical field of automobiles, and solves the technical problems of unsatisfactory protection effect and the like of the existing anti-collision head device. The anti-collision head device of an automobile door comprises an air sac, an inflation/deflation mechanism and a detection unit; and the automobile body is also provided with a control unit. The anti-collision method comprises the following steps that: A, the door is opened, and the control unit continuously detects a door opening degree signal; B, the control unit compares the door opening degree signal with a preset opening degree value; if the door opening degree signal is greater than the preset opening degree value, the control unit inflates air into the air sac; C, after the preset inflation time, the inflation is stopped; D, the door is pulled back, the door opening degree is gradually reduced, and the control unit exhausts air in the air sac when the door turning angle is less than or equal to the preset opening degree value; and E, the door is closed, a lock sensor sends a door lock electric signal to the control unit, and the exhaust is stopped. The device provided by the invention has the advantages of good safety perforamnce, accurate control, low energy consumption and the like, and is easy to dismantle.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of crashproof head unit and avoiding collision thereof of arrangements for automotive doors.
Background technology
The automobile especially height of Car doorframe is generally lower, height lower than normal person, when therefore people pass in and out car door, need to bow, to prevent that head from bumping against on doorframe, often can to see in order preventing from bumping against on doorframe, people take hand on doorframe, in addition, when evening, light was darker, be sometimes difficult to the position of judgement door frame, turnover can bump against head, is badly in need of a kind of crashproof head unit for this reason.
Some automobile falls paint or impaired in order to prevent car door from accidentally encountering around object when opening in the market; it is to avoiding car body local location that identical situation occurs; conventionally can car door, car body even the suitable height and position of safety lever anticollision bar is set: this anticollision bar is generally to have elastomeric material manufacture; such as plastics, rubber etc.; and with horizontality, be installed on aforesaid car body position, make this anticollision bar give prominence to car body surface.When motroist or driver's opening car door or while driving accidentally to make car door or car body slight impact to object around, so that outstanding anticollision bar first contacts this object and absorption portion impact, and avoid car body and object friction and fall to paint or impaired.
As disclosed in patent (CN200964073Y) a kind of for being arranged on the meeting luminous automobile anticollision bar at arrangements for automotive doors and the place ahead safety lever and meal gold position, include pedestal and printing opacity cover body, this printing opacity cover body is located on this pedestal, space in forming between this printing opacity cover body and this pedestal, the pedestal in this interior space is provided with luminescence component, and the electric system of this luminescence component and automobile is electrically connected; By the design of circuit control luminescence component in this anticollision bar can be when the opening car door automatic luminous, coordinate automatic inductor to detect the brightness of foreign environment luminous when darker.
The device that this patent discloses can be warned others by luminous, also have certain crashproof ability, but anticollision strip can only provide the protection of slight impact simultaneously, and protection effect is not good, cannot carry out protection completely to human body.
Summary of the invention
The object of the invention is the problems referred to above that exist for existing technology, a kind of crashproof head unit and a kind of avoiding collision that utilizes vehicle door anti-collision head unit of arrangements for automotive doors are provided, and technical matters to be solved by this invention is better to alleviate the impact of occupant while passing in and out car door head impact.
First object of the present invention can realize by following technical proposal: a kind of crashproof head unit of arrangements for automotive doors, it is characterized in that, this device comprises the air bag that is installed in door frame top, described car body is provided with the inflation/deflation mechanism being connected with air bag, between described door frame and car door, be provided with the detecting unit that can detect this car door position situation, on described car body, be also provided with the control unit being connected with detecting unit with above-mentioned inflation/deflation mechanism, the electric signal that described control unit can transport detecting unit carries out analyzing and processing and exports the mode of operation that control signal is controlled inflation/deflation mechanism.
The principle of work of this device is as follows: when car door opening, detecting unit detects the concurrent power transmission signal of open position of car door to control unit, control unit is accepted the electric signal of detecting unit and is processed according to its built-in program, then outwards transmit control signal to control the work of inflation/deflation mechanism, inflation/deflation mechanism inflates air bag according to the instruction of control unit or bleeds.This device arranges after air bag at the top of door frame; utilize the air anti-collision property of air bag to protect personnel's safety by bus; even if be contained in when occupant passes in and out car on door frame, also greatly alleviate shock dynamics because there being the buffer action of air bag, thereby avoid injury.
In the crashproof head unit of above-mentioned a kind of arrangements for automotive doors, described detecting unit comprises all position transduser and the locking sensor being connected with above-mentioned control unit, described position transduser can detect the aperture of car door opening, described locking sensor can detect this opening/closing door of vehicle state, the electric signal of the door opening degree size that described control unit transports according to position transduser is controlled successively the inflation of inflation/deflation mechanism or is bled, and the electric signal of the car door lockup state that this control unit also transports according to locking sensor is controlled inflation/deflation mechanism and is quit work.
When car door opening, position transduser is offered the aperture that detects car door, when car door opening arrives certain aperture, control unit is controlled inflation/deflation mechanism according to the aperture electric signal of receiving and is inflated, after expanding after airbag aeration, occupant just starts to pass in and out car door, at this moment can play the effect of protection, when in closing of the door process, car door is less than certain aperture, control unit is controlled inflation/deflation mechanism air bag is bled, air bag bleed after smaller volume, can not affect the closure of car door, the closed condition that locking sensor detects car door is set separately, and with this, control unit control inflation/deflation mechanism is stopped, make the control of inflation/deflation mechanism more flexible.
In the crashproof head unit of above-mentioned a kind of arrangements for automotive doors, described position transduser is for detecting the angular transducer of this car door rotational angle, the door swing angle signal that control unit is carried for receiving angle sensor and with control unit in preset value comparison, when door swing angle is greater than preset value, control inflation/deflation mechanism to airbag aeration, when door swing angle is less than preset value, control inflation/deflation mechanism air bag is bled.The benefit of angular transducer is to detect accurately the rotational angle of car door, and control unit is also controlled than being easier to.
In the crashproof head unit of above-mentioned a kind of arrangements for automotive doors, the preset value of described door swing angle is the arbitrary value between 10 ° to 30 °.In this region, no matter open completely or close completely apart from car door, all make for some time the volume of air bag change.
In the crashproof head unit of above-mentioned a kind of arrangements for automotive doors, as further preferred version, the preset value of this car door door swing angle is 15 °.
In the crashproof head unit of above-mentioned a kind of arrangements for automotive doors, as another kind of scheme, described position transduser is for detecting the displacement pickup of this car door opening width, the car door opening width signal that control unit is carried for received bit displacement sensor and with control unit in preset value comparison, when car door opening width is greater than preset value, control inflation/deflation mechanism to airbag aeration, when car door opening width is less than preset value, control inflation/deflation mechanism air bag is bled.Use displacement pickup with solving cliding door.
In the crashproof head unit of above-mentioned a kind of arrangements for automotive doors, described inflation/deflation mechanism comprises inflation air pump and the air pump of bleeding, described inflation air pump comprises an inflation motor, and the described air pump of bleeding comprises the motor of bleeding, and described inflation motor is all connected with control unit with the motor of bleeding.Machine operation is stable, also than being easier to, controls.
In the crashproof head unit of above-mentioned a kind of arrangements for automotive doors, described air bag is provided with admission port and air extractor duct, and described inflation air pump is connected with admission port, and the described air pump of bleeding is connected with air extractor duct.Adopt independently admission port and air extractor duct, can avoid sharing a passage by actv., be convenient to processing and control.
In the crashproof head unit of above-mentioned a kind of arrangements for automotive doors, between described door frame and air bag, be provided with adapter plate, described adapter plate is bolted on door frame, and described air bag is fixed on adapter plate.Adopt independently adapter plate to fix air bag, repair demolition is convenient.
Second object of the present invention can realize by following technical proposal: a kind of avoiding collision that utilizes vehicle door anti-collision head unit, it is characterized in that, and comprise the steps:
A, car door opening, locking sensor sends car door opening electric signal to control unit, and control unit starts the door opening degree signal that receiving angle sensor transports;
It is large that B, door opening degree become gradually, angular transducer continues detect the aperture of car door and send this aperture electric signal to control unit, control unit is by door opening degree signal and built-in default opening value comparison, and this control unit sends the control signal of unlatching work when door swing angle is greater than default opening value to inflation air pump;
C, inflation air pump are inflated in air bag, and after one section of default inflationtime, control unit sends out-of-work control signal to inflation air pump;
D, car door are by clawback, door opening degree diminishes gradually, angular transducer detects the aperture of car door and sends this aperture electric signal to control unit, described control unit is by door opening degree signal and built-in default opening value comparison, and this control unit sends the control signal of unlatching work when door swing angle is less than or equal to default opening value to the air pump of bleeding;
E, closing of the door, locking sensor sends car door locking electric signal to control unit, and control unit sends out-of-work control signal to the air pump of bleeding, and then control unit starts to shield the electric signal that angular transducer transports.
This avoiding collision utilizes door opening degree signal and default opening value to compare; default opening value is 10 ° to 30 °; preferred version is 15 °; accurately control the switching of air bag, when personnel's head may clash into door frame by bus, open air bag, to clashing into, cushion; protection is personnel by bus; when personnel do not need this kind of protection by bus, close air bag, reduce energy consumption.
Compared with prior art; this device arranges after air bag at the top of door frame, utilizes the air anti-collision property of air bag to protect personnel's safety by bus, even if be contained on door frame when occupant passes in and out car; also because there being the buffer action of air bag, greatly alleviate shock dynamics, thereby avoid injury.The closed condition that locking sensor detects car door is set separately, and with this, control unit control inflation/deflation mechanism is stopped, making the control of inflation/deflation mechanism more flexible.Adopt independently adapter plate to fix air bag, repair demolition is convenient.By a kind of avoiding collision that utilizes vehicle door anti-collision head unit, the switching of air bag is controlled accurately, both the personnel that ride were protected, and energy consumption is low.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the crashproof head unit of arrangements for automotive doors.
Fig. 2 is the local structure schematic perspective view of air bag part.
Fig. 3 is the crashproof head unit principle schematic of arrangements for automotive doors.
In figure, 1, door frame; 2, air bag; 21, admission port; 22, air extractor duct; 3, inflation/deflation mechanism; 31, inflation air pump; 32, the air pump of bleeding; 4, detecting unit; 5, control unit; 6, adapter plate; 7, bolt.
The specific embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Embodiment mono-:
The crashproof head unit of this arrangements for automotive doors is arranged on door frame 1, for alleviating the impact of passenger's head impact door frame 1 while passing in and out automobile.The crashproof head unit of this arrangements for automotive doors comprises air bag 2, inflation/deflation mechanism 3, detecting unit 4 and control unit 5.As shown in Figure 3, control unit 5 is connected with inflation/deflation mechanism 3 and detecting unit 4 respectively, and the electric signal that control unit 5 can transport detecting unit 4 carries out analyzing and processing and exports the mode of operation that control signal is controlled inflation/deflation mechanism 3.
Specifically, as depicted in figs. 1 and 2, air bag 2 is arranged on door frame 1 top, is fixed with adapter plate 6 on air bag 2, on adapter plate 6, offers mounting hole, and air bag 2 is fixedly attached on door frame 1 by bolt 7.On car body, be also provided with the inflation/deflation mechanism 3 being connected with air bag 2, inflation/deflation mechanism 3 comprises inflation air pump 31 and the air pump 32 of bleeding, inflation air pump 31 comprises an inflation motor, and the air pump 32 of bleeding comprises the motor of bleeding, and inflation motor is all connected with control unit 5 with the motor of bleeding.Air bag 2 is provided with admission port 21 and air extractor duct 22, and admission port 21 is connected with inflation air pump 31, and air extractor duct 22 is connected with the air pump 32 of bleeding.
Detecting unit 4 is arranged between door frame 1 and car door, for detection of the situation of car door.Detecting unit 4 comprises position transduser and locking sensor, and position transduser and locking sensor are connected with control unit 5 respectively.Position transduser can detect the aperture of car door opening, locking sensor can detect this opening/closing door of vehicle state, the electric signal of the door opening degree size that control unit 5 is carried according to position transduser is controlled inflation air pump 31 inflations successively or the air pump 32 of bleeding is bled, and the electric signal of the car door lockup state that also transports according to locking sensor of control unit 5 controls inflation air pump 31 and the air pump 32 of bleeding quits work.
In the present embodiment, position transduser is angular transducer, angular transducer can detect the rotational angle of car door, the door swing angle signal that control unit 5 receiving angle sensors are carried and with the interior preset value comparison of control unit 5, when door swing angle is greater than preset value, control 2 inflations of 31 pairs of air bags of inflation air pump, when door swing angle is less than preset value, control the 32 pairs of air bags 2 of air pump of bleeding and bleed.The benefit of employing angular transducer is to detect accurately the rotational angle of car door, and control unit 5 is also controlled than being easier to.
The preset value of door swing angle is the arbitrary value between 10 ° to 30 °, in this region, no matter open completely or close completely apart from car door, all makes for some time the volume of air bag 2 change.Preset value as preferred door swing angle is 15 °.
The principle of work of this device is as follows: when car door opening, angular transducer detects the concurrent power transmission signal of the angle of opening of car door to control unit 5, and control unit 5 receives the electric signal of detecting unit 4 transmissions and processed and compared with the preset value of door swing angle by its built-in program.When door swing angle is greater than preset value, control unit 5 is controlled inflation air pump 31 according to the corner electric signal of receiving and is inflated, and after expanding after air bag 2 inflations, occupant just starts to pass in and out car door, at this moment can play the effect of protection; When door swing angle is less than preset value, control unit 5 is controlled the 32 pairs of air bags 2 of air pump of bleeding and is bled, air bag 2 bleed after smaller volume, can not affect the closure of car door; When locking sensor detects closing of the door, control unit 5 is controlled inflation/deflation mechanism 3 and is quit work.
This device arranges after air bag 2 at the top of door frame 1; utilize the air anti-collision property of air bag 2 to protect personnel's safety by bus; even if be contained in when occupant passes in and out car on door frame 1, also because there being the buffer action of air bag 2, greatly alleviate shock dynamics, thereby avoid injury.
This utilizes the avoiding collision of vehicle door anti-collision head unit to comprise the steps: A, car door opening, and locking sensor sends car door opening electric signal to control unit 5, and control unit 5 starts the door opening degree signal that receiving angle sensor transports; It is large that B, door opening degree become gradually, angular transducer continues to detect the aperture of car door and sends this aperture electric signal to control unit 5, control unit 5 is by door opening degree signal and built-in default opening value comparison, and this control unit 5 sends the control signal of unlatching work when door swing angle is greater than default opening value to inflation air pump 31.Personnel by bus, open the door and get on the bus while likely bumping against door frame 1, open air bag 2, buffering collision of closed dynamics, protection is personnel by bus; C, inflation air pump 31 are to the interior inflation of air bag 2, and after one section of default inflationtime, control unit 5 sends out-of-work control signal to inflation air pump 31.Air bag, after 2 inflation a period of times, is being stopped to inflation, in time to reduce energy consumption; D, car door are by clawback, door opening degree diminishes gradually, angular transducer detects the aperture of car door and sends this aperture electric signal to control unit 5, described control unit 5 is by door opening degree signal and built-in default opening value comparison, and this control unit 5 sends the control signal of unlatching work when door swing angle is less than or equal to default opening value to the air pump 32 of bleeding.When closed door, personnel can not bump against door frame 1 by bus, now take out the gas in air bag 2; E, closing of the door, locking sensor sends car door locking electric signal to control unit 5, and control unit 5 is sent out 32 to the air pump of bleeding and is sent out-of-work control signal, and then control unit 5 starts to shield the electric signal that angular transducer transports.After closing of the door, personnel do not need this kind of protection by bus, close air bag 2, reduce energy consumption.
Embodiment bis-:
Technical scheme in technical scheme in the present embodiment and embodiment mono-is basic identical, difference is, in the present embodiment, position transduser is for detecting the displacement pickup of this car door opening width, the car door opening width signal that control unit 5 is carried for received bit displacement sensor and with the interior preset value comparison of control unit 5, when car door opening width is greater than preset value, control 2 inflations of 3 pairs of air bags of inflation/deflation mechanism, when car door opening width is less than preset value, control 3 pairs of air bags 2 of inflation/deflation mechanism and bleed.Use displacement pickup with solving cliding door.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. the crashproof head unit of an arrangements for automotive doors, it is characterized in that, this device comprises the air bag (2) that is installed in door frame (1) top, the car body of automobile is provided with the inflation/deflation mechanism (3) being connected with air bag (2), between described door frame (1) and car door, be provided with the detecting unit (4) that can detect this car door position situation, on described car body, be also provided with the control unit (5) being connected with detecting unit (4) with above-mentioned inflation/deflation mechanism (3), the electric signal that described control unit (5) can transport detecting unit (4) carries out analyzing and processing and exports the mode of operation that control signal is controlled inflation/deflation mechanism (3), detecting unit (4) detects the concurrent power transmission signal of open position of car door to control unit (5), control unit (5) is accepted the electric signal of detecting unit (4) and is processed according to its built-in program, then outwards transmit control signal to control inflation/deflation mechanism (3) work, inflation/deflation mechanism (3) inflates or bleeds air bag (2) according to the instruction of control unit (5).
2. the crashproof head unit of a kind of arrangements for automotive doors according to claim 1, it is characterized in that, described detecting unit (4) comprises all position transduser and the locking sensor being connected with above-mentioned control unit (5), described position transduser can detect the aperture of car door opening, described locking sensor can detect this opening/closing door of vehicle state, the electric signal of the door opening degree size that described control unit (5) transports according to position transduser is controlled successively inflation/deflation mechanism (3) and is inflated or bleed, and the electric signal of the car door lockup state that this control unit (5) also transports according to locking sensor is controlled inflation/deflation mechanism (3) and is quit work.
3. the crashproof head unit of a kind of arrangements for automotive doors according to claim 2, it is characterized in that, described position transduser is for detecting the angular transducer of this car door rotational angle, the door swing angle signal that control unit (5) is carried for receiving angle sensor and with the interior preset value comparison of control unit (5), when door swing angle is greater than preset value, control inflation/deflation mechanism (3) to air bag (2) inflation, when door swing angle is less than preset value, control inflation/deflation mechanism (3) air bag (2) is bled.
4. the crashproof head unit of a kind of arrangements for automotive doors according to claim 3, is characterized in that, the preset value of described door swing angle is the arbitrary value between 10 ° to 30 °.
5. the crashproof head unit of a kind of arrangements for automotive doors according to claim 3, is characterized in that, the preset value of described car door door swing angle is 15 °.
6. the crashproof head unit of a kind of arrangements for automotive doors according to claim 2, it is characterized in that, described position transduser is for detecting the displacement pickup of this car door opening width, the car door opening width signal that control unit (5) is carried for received bit displacement sensor and with the interior preset value comparison of control unit (5), when car door opening width is greater than preset value, control inflation/deflation mechanism (3) to air bag (2) inflation, when car door opening width is less than preset value, control inflation/deflation mechanism (3) air bag (2) is bled.
7. according to the crashproof head unit of a kind of arrangements for automotive doors described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described inflation/deflation mechanism (3) comprises inflation air pump (31) and the air pump of bleeding (32), described inflation air pump (31) comprises an inflation motor, the described air pump of bleeding (32) comprises the motor of bleeding, and described inflation motor is all connected with control unit (5) with the motor of bleeding.
8. the crashproof head unit of a kind of arrangements for automotive doors according to claim 7, it is characterized in that, described air bag (2) is provided with admission port (21) and air extractor duct (22), described inflation air pump (31) is connected with admission port (21), and the described air pump of bleeding (32) is connected with air extractor duct (22).
9. according to the crashproof head unit of a kind of arrangements for automotive doors described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, between described door frame (1) and air bag (2), be provided with adapter plate (6), it is upper that described adapter plate (6) is fixed on door frame (1) by bolt (7), and described air bag (2) is fixed on adapter plate (6).
10. an avoiding collision that utilizes vehicle door anti-collision head unit, is characterized in that, comprises the steps:
A, car door opening, locking sensor sends car door opening electric signal to control unit (5), and control unit (5) starts the door opening degree signal that receiving angle sensor transports;
It is large that B, door opening degree become gradually, angular transducer continues detect the aperture of car door and send this aperture signal to control unit (5), control unit (5) is by door opening degree signal and built-in default opening value comparison, and this control unit (5) sends the control signal of unlatching work when door swing angle is greater than default opening value to inflation air pump (31);
C, inflation air pump (31) are inflated in air bag (2), and after one section of default inflationtime, control unit (5) sends out-of-work control signal to inflation air pump (31);
D, car door are by clawback, door opening degree diminishes gradually, angular transducer detects the aperture of car door and sends this aperture signal to control unit (5), described control unit (5) is by door opening degree signal and built-in default opening value comparison, and this control unit (5) sends the control signal of unlatching work when door swing angle is less than or equal to default opening value to the air pump of bleeding (32);
E, closing of the door, locking sensor sends car door locking electric signal to control unit (5), control unit sends out-of-work control signal to (5) air pump (32) of bleeding, and then control unit (5) starts to shield the electric signal that angular transducer transports.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210047218.3A CN102582400B (en) | 2012-02-28 | 2012-02-28 | Anti-collision head device of automobile door and anti-collision method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210047218.3A CN102582400B (en) | 2012-02-28 | 2012-02-28 | Anti-collision head device of automobile door and anti-collision method thereof |
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| CN102582400A CN102582400A (en) | 2012-07-18 |
| CN102582400B true CN102582400B (en) | 2014-08-06 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472162B (en) * | 2017-07-25 | 2023-08-11 | 芜湖职业技术学院 | Automatic control device for automobile door anti-collision strip |
| CN107499248B (en) * | 2017-08-28 | 2020-11-10 | 国金汽车集团有限公司 | Plaque on passenger car interior trim A post of anticollision head |
| CN108263299A (en) * | 2018-03-09 | 2018-07-10 | 福建工程学院 | A kind of full automatic car car door high point intelligently detains frontier defense collision device and its control method |
| CN108749534A (en) * | 2018-04-17 | 2018-11-06 | 力帆实业(集团)股份有限公司 | A kind of preventing car door collision head device |
| CN111873906A (en) * | 2020-08-12 | 2020-11-03 | 上海博泰悦臻电子设备制造有限公司 | Vehicle side door opening angle early warning method, system, medium and vehicle-mounted terminal |
| CN113147650B (en) * | 2021-06-07 | 2022-08-05 | 上海舒井汽车系统科技有限公司 | Automobile auxiliary supporting system and method |
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