CN106968546A - A kind of safety device of relative traveling speed control car door hydraulic pressure self-locking - Google Patents
A kind of safety device of relative traveling speed control car door hydraulic pressure self-locking Download PDFInfo
- Publication number
- CN106968546A CN106968546A CN201710311885.0A CN201710311885A CN106968546A CN 106968546 A CN106968546 A CN 106968546A CN 201710311885 A CN201710311885 A CN 201710311885A CN 106968546 A CN106968546 A CN 106968546A
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- Prior art keywords
- door
- travel
- hydraulic pressure
- car door
- door travel
- 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.)
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- 238000012360 testing method Methods 0.000 claims description 13
- 239000002828 fuel tank Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/49—Safety devices, e.g. detection of obstructions or end positions specially adapted for mechanisms operated by fluid pressure, e.g. detection by monitoring transmitted fluid pressure
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention discloses a kind of safety device of relative traveling speed control car door hydraulic pressure self-locking, spherical linkage, door travel hydraulic pressure performing module, speed measuring device module are controlled including door travel, single chip computer device module, door travel controlling switch and door travel hydraulicdirectional control valve component.Door travel controls spherical linkage and door travel hydraulic pressure performing module to connect as one, below car door；The contrast of single chip computer device module is tested the speed, and overlay area vehicular traffic is relative to travel the safe speed that specific speed and single chip computer device module are set, during for danger situation, door travel hydraulicdirectional control valve component is in self-locking state, and relative traveling speed control car door hydraulic pressure self-locking, car door can not be opened；It is in a state of emergency or is artificially judged as safe condition, and during for unsafe condition, in an ON state, car door can freely be opened door travel hydraulicdirectional control valve component.It is simple in construction, and manufacturing cost is low, safe, is promoted beneficial to automobile industry.
Description
Art
The present invention relates to a kind of auto-safety mechanism technical field, a kind of relative traveling speed control car door is specifically related to
The safety device of hydraulic pressure self-locking
Background technology
With the development and the improvement of people's living standards of science and technology, increasing private savings automobile enters the day of people
Often in life.Although private savings automobile has many brands, but the car door opening operating process principle base of most of private savings automobiles
This is identical.When needing parking to open car door in private savings vehicle traveling process, when passenger opens car door, if not noticing that rear has one
Determine relative velocity vehicle process, front vehicle has little time emergency brake and avoidance, necessarily causes accident.Although people are again and again
Note this safety, but always have carelessness, forgetful and viewing blind zone, once occurring accident, consequence is quite serious.
At present, private savings automobile judges that vehicle is that driver is estimated by rear-view mirror with respect to travel speed below, is not pacified
Vehicle is with respect to travel speed speed measuring device below for dress, and " detection left and right Lai Che speeds make the dress of car door self-locking when a kind of parking is opened the door
Put (CN204149970U) " patent disclose stop open the door when, monitoring left and right vehicle wheel carrys out car danger and avoids getting off dangerous, carries
High vehicle safety, but when parking opening car door is needed during traveling, passenger sight is for left and right car energy
Enough notice, rear is viewing blind zone；Tested the speed without relative travel speed and control car door self-locking structure, " when one kind parking is opened the door
Detection left and right Lai Che speeds make the device (CN204149970U) of car door self-locking " patent do not disclose car door self-locking device implement
Principle and structure；There is no the limitation of car door opening scope.
The content of the invention
In order to overcome existing private savings automobile to judge that vehicle is that driver is estimated by rear-view mirror with respect to travel speed below,
Vehicle below is fitted without, with respect to travel speed speed measuring device, to test the speed without relative travel speed and control car door self-locking structure, do not have
There are the defects such as car door opening scope limitation, the present invention provides the safety device of relative traveling speed control car door hydraulic pressure self-locking.
The present invention specifically solves the technical solution that its technical problem used：A kind of relative traveling speed control car
The safety device of door hydraulic pressure self-locking includes：Vehicle body, door travel control spherical linkage one, door travel hydraulic pressure performing module, car
Door turning joint, door travel control spherical linkage two, car door, speed measuring device module, single chip computer device module, door travel control
System switch one, vehicle hydraulic fuel tank, door travel hydraulicdirectional control valve component, door travel controlling switch two.Wherein, door travel
Control spherical linkage one and door travel control spherical linkage two belong to rotation universal joint draw bail；Door travel hydraulic pressure is performed
The cylinder body of module controls spherical linkage one to be fixed on vehicle body by door travel, the piston rod of door travel hydraulic pressure performing module
Spherical linkage two is controlled to be connected on car door by door travel；Door travel control spherical linkage one, door travel control ball
Shape hinge two and door travel hydraulic pressure performing module are connected as one, below the car door, do not influence car door it is normal above and below
Passenger；Door travel hydraulic pressure performing module shares vehicle hydraulic fuel tank；Car door is rotated around car door turning joint, the width that car door is rotated
Spend by the Stroke Control of the piston rod of door travel hydraulic pressure performing module, it is to avoid opening car door angle is excessive and damages car door rotation
Hinge；Door travel hydraulicdirectional control valve component is designed as connecting and self-locking two states, and door travel hydraulic pressure performing module is by car
Door stroke hydraulic reversing valve assembly control, when door travel hydraulicdirectional control valve component in an ON state when, door travel hydraulic pressure
The oil circuit of performing module is unimpeded, and car door can freely be opened, when door travel hydraulicdirectional control valve component is in self-locking state,
The oil circuit of door travel hydraulic pressure performing module disconnects, and car door can not be opened；Single chip computer device module contrasts the area of coverage that tests the speed
The relative safe speed for travelling specific speed and the setting of single chip computer device module of domain vehicular traffic；When the passing car in overlay area of testing the speed
It is relative when travelling specific speed and being more than or equal to the safe speed that single chip computer device module is set, it is danger situation, single-chip microcomputer
Apparatus module control door travel controlling switch two is in closure state, forces door travel hydraulicdirectional control valve component to be in self-locking
The oil circuit disconnection of state, now door travel hydraulic pressure performing module, realizes relative traveling speed control car door hydraulic pressure self-locking, car door
Can not be opened, if being in a state of emergency or being artificially judged as safe condition, door travel controlling switch one be it is urgent by
Button, presses the door travel controlling switch one of danger button, realizes the unblock of relative traveling speed control car door hydraulic pressure self-locking, single
Piece machine apparatus module control door travel controlling switch two is off, then door travel hydraulicdirectional control valve component is in and connect
Logical state, the oil circuit of door travel hydraulic pressure performing module is unimpeded, and car door can freely be opened；When the passing car in overlay area of testing the speed
It is relative when travelling specific speed and being less than the safe speed that single chip computer device module is set, it is unsafe condition, single chip computer device mould
Block control door travel controlling switch two is off, then door travel hydraulicdirectional control valve component in an ON state, car
The oil circuit of door stroke hydraulic performing module is unimpeded, and car door can freely be opened.
The beneficial effects of the invention are as follows using a kind of safety device of relative traveling speed control car door hydraulic pressure self-locking, solution
Private savings of having determined automobile judges that vehicle is that driver is estimated by rear-view mirror with respect to travel speed below, is fitted without vehicle below
With respect to travel speed speed measuring device, tested the speed without relative travel speed and control car door self-locking structure, without car door opening scope limit
The problems such as system etc..It is simple in construction, and manufacturing cost is low, and the overlay area vehicular traffic phase that tests the speed is contrasted using single chip computer device module
Safe speed to travelling specific speed and the setting of single chip computer device module, greatly improving the car of traveling needs Parking permitted
Track on stop and open the security of car door.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the safety device of relative traveling speed control car door hydraulic pressure self-locking of the present invention；
Fig. 2 is a kind of control area signal of the safety device of relative traveling speed control car door hydraulic pressure self-locking of the present invention
Figure；
Fig. 3 is a kind of workflow diagram of the safety device of relative traveling speed control car door hydraulic pressure self-locking of the present invention.
101. vehicle body in figure, 102. door travels control spherical linkage one, 103. door travel hydraulic pressure performing modules, 104.
Car door turning joint, 105. door travels control spherical linkage two, 106. car doors, 107. speed measuring device modules, 108. car door rows
Journey single chip computer device module, 109. door travel controlling switches one, 110. vehicle hydraulic fuel tanks, the commutation of 111. door travel hydraulic pressure
Valve module, 112. door travel controlling switches two, 201. test the speed overlay area, 202. tracks.
Embodiment
Patent of the present invention is further described with reference to the accompanying drawings and examples.
Referring to accompanying drawing, a kind of safety device of relative traveling speed control car door hydraulic pressure self-locking includes：Vehicle body 101, car door
Stroke Control spherical linkage 1, door travel hydraulic pressure performing module 103, car door turning joint 104, door travel control ball
Shape hinge 2 105, car door 106, speed measuring device module 107, single chip computer device module 108, door travel controlling switch 1,
Vehicle hydraulic fuel tank 110, door travel hydraulicdirectional control valve component 111, door travel controlling switch 2 112.Wherein, door travel
Control spherical linkage 1 and door travel control spherical linkage 2 105 belong to rotation universal joint draw bail；Door travel liquid
The cylinder body of performing module 103 is pressed to control spherical linkage 1 to be fixed on vehicle body 101 by door travel, door travel hydraulic pressure
The piston rod of performing module 103 controls spherical linkage 2 105 to be connected on car door 106 by door travel；Door travel is controlled
Spherical linkage 1, door travel control spherical linkage 2 105 and door travel hydraulic pressure performing module 103 are connected as one, and are pacified
Mounted in the lower section of car door 106, the normal passenger up and down of car door 106 is not influenceed；Door travel hydraulic pressure performing module 103 shares vehicle liquid
Press oil case 110；Car door 106 is rotated around car door turning joint 104, and the amplitude that car door 106 is rotated performs mould by door travel hydraulic pressure
The Stroke Control of the piston rod of block 103；Door travel hydraulicdirectional control valve component 111 is designed as connecting and self-locking two states, car
Door stroke hydraulic performing module 103 is controlled by door travel hydraulicdirectional control valve component 111, when door travel hydraulicdirectional control valve component
111 in an ON state when, the oil circuit of door travel hydraulic pressure performing module 103 is unimpeded, and car door 106 can freely be opened, when
When door travel hydraulicdirectional control valve component 111 is in self-locking state, the oil circuit of door travel hydraulic pressure performing module 103 disconnects, car
Door 106 can not be opened；The contrast of single chip computer device module 108 is tested the speed, and the vehicular traffic of overlay area 201 is relative to travel specific speed
The safe speed that degree and single chip computer device module 108 are set；Specific speed is travelled when the vehicular traffic of overlay area 201 that tests the speed is relative
More than or equal to single chip computer device module 108 set safe speed when, be danger situation, single chip computer device module 108 is controlled
Door travel controlling switch 2 112 is in closure state, forces door travel hydraulicdirectional control valve component 111 to be in self-locking state,
Now the oil circuit of door travel hydraulic pressure performing module 103 disconnects, and realizes relative traveling speed control car door hydraulic pressure self-locking, car door
106 can not be opened, if being in a state of emergency or being artificially judged as safe condition, door travel controlling switch 1 is
Danger button, presses the door travel controlling switch 1 of danger button, realizes relative traveling speed control car door hydraulic pressure self-locking
Unblock, the control of single chip computer device module 108 door travel controlling switch 2 112 is off, then door travel hydraulic pressure
In an ON state, the oil circuit of door travel hydraulic pressure performing module 103 is unimpeded for reversing valve assembly 111, and car door 106 being capable of free quilt
Open；The safety that specific speed is less than the setting of single chip computer device module 108 is travelled when the vehicular traffic of overlay area 201 that tests the speed is relative
It is unsafe condition during speed, the control door travel of single chip computer device module 108 controlling switch 2 112 is off, then car
In an ON state, the oil circuit of door travel hydraulic pressure performing module 103 is unimpeded, car door 106 for door stroke hydraulic reversing valve assembly 111
Can freely it be opened.
When the car of traveling needs to stop on the track 202 that Parking permitted and opens car door, mounted in vehicle body
The relative traveling of the vehicular traffic of overlay area 201 that tests the speed of the backsight place of safety of the detection driver of speed measuring device module 107 on 101
Speed, and pass to single chip computer device module 108, single chip computer device module 108 is by the tested the speed vehicular traffic phase of overlay area 201
The safe speed set to travelling specific speed and single chip computer device module 108 is contrasted, and realizes door travel controlling switch
2 112 closure is controlled with disconnecting；If the vehicular traffic of overlay area 201 that tests the speed is relative to travel specific speed more than or equal to single
It is danger situation, the control door travel control of single chip computer device module 108 during the safe speed that piece machine apparatus module 108 is set
Switch 2 112 and be in closure state, force door travel hydraulicdirectional control valve component 111 to be in self-locking state, now door travel
The oil circuit of hydraulic pressure performing module 103 is disconnected, and realizes relative traveling speed control car door hydraulic pressure self-locking, and car door 106 can not be beaten
Open；If being in a state of emergency or being artificially judged as safe condition, it is necessary to urgently open car door 106, the car of danger button is pressed
Door travel control switch 1, realizes the unblock of relative traveling speed control car door hydraulic pressure self-locking, single chip computer device module 108
Control door travel controlling switch 2 112 is off, then door travel hydraulicdirectional control valve component 111, which is in, connects shape
State, the oil circuit of door travel hydraulic pressure performing module 103 is unimpeded, and car door 106 can freely be opened, around car when car door 106 is opened
Door turning joint 104 rotate, car door 106 rotate amplitude by door travel hydraulic pressure performing module 103 piston rod stroke control
System；If the vehicular traffic of overlay area 201 that tests the speed is relative to travel the safety that specific speed is less than the setting of single chip computer device module 108
Speed, is unsafe condition, and the control door travel of single chip computer device module 108 controlling switch 2 112 is off, then car door
In an ON state, the oil circuit of door travel hydraulic pressure performing module 103 is unimpeded for stroke hydraulic reversing valve assembly 111, the energy of car door 106
Enough to be freely opened, car door 106 is rotated when opening around car door turning joint 104, and the amplitude that car door 106 is rotated is by door travel liquid
Press the Stroke Control of the piston rod of performing module 103.
Claims (6)
1. a kind of safety device of relative traveling speed control car door hydraulic pressure self-locking, including vehicle body (101), door travel control ball
Shape hinge one (102), door travel hydraulic pressure performing module (103), car door turning joint (104), door travel controls spherical hinge
Chain two (105), car door (106), speed measuring device module (107), single chip computer device module (108), door travel controlling switch one
(109), vehicle hydraulic fuel tank (110), door travel hydraulicdirectional control valve component (111), door travel controlling switch two (112),
It is characterized in that：The cylinder body of the door travel hydraulic pressure performing module (103) controls spherical linkage one (102) by door travel
It is fixed on vehicle body (101), the piston rod of door travel hydraulic pressure performing module (103) controls spherical linkage two by door travel
(105) it is connected on car door (106)；Door travel control spherical linkage one (102), door travel control spherical linkage two
(105) connected as one with door travel hydraulic pressure performing module (103), below car door (106)；Single chip computer device module
(108) contrast is tested the speed, and overlay area vehicular traffic is relative to travel the safety that specific speed and single chip computer device module (108) are set
Speed；The relative specific speed of traveling of overlay area (201) vehicular traffic that tests the speed is set more than or equal to single chip computer device module (108)
During fixed safe speed, single chip computer device module (108) control door travel controlling switch two (112) is in closure state, car
Door stroke hydraulic reversing valve assembly (111) is in self-locking state, and the oil circuit of door travel hydraulic pressure performing module (103) disconnects, real
Now relative traveling speed control car door hydraulic pressure self-locking, car door (106) can not be opened；It is in a state of emergency or is artificially judged as
Safe condition, presses the door travel controlling switch one (109) of danger button, realizes relative traveling speed control car door hydraulic pressure certainly
The unblock of lock, single chip computer device module (108) control door travel controlling switch two (112) is off, door travel
In an ON state, the oil circuit of door travel hydraulic pressure performing module (103) is unimpeded for hydraulicdirectional control valve component (111), car door (106)
Can freely it be opened；Overlay area (201) vehicular traffic that tests the speed is relative to travel specific speed less than single chip computer device module
(108) during the safe speed of setting, single chip computer device module (108) control door travel controlling switch two (112), which is in, to be disconnected
State, door travel hydraulicdirectional control valve component (111) in an ON state, the oil circuit of door travel hydraulic pressure performing module (103)
Unimpeded, car door (106) can freely be opened.
2. a kind of safety device of relative traveling speed control car door hydraulic pressure self-locking according to claim 1, its feature exists
Belong to rotation universal joint in door travel control spherical linkage one (102) and door travel control spherical linkage two (105)
Draw bail.
3. a kind of safety device of relative traveling speed control car door hydraulic pressure self-locking according to claim 1, its feature exists
Vehicle hydraulic fuel tank (110) is shared in the door travel hydraulic pressure performing module (103).
4. a kind of safety device of relative traveling speed control car door hydraulic pressure self-locking according to claim 1, its feature exists
Rotated in the car door (106) around car door turning joint (104), the amplitude that car door (106) is rotated is performed by door travel hydraulic pressure
The Stroke Control of the piston rod of module (103).
5. a kind of safety device of relative traveling speed control car door hydraulic pressure self-locking according to claim 1, its feature exists
It is designed as connecting and self-locking two states in the door travel hydraulicdirectional control valve component (111), door travel hydraulic pressure performs mould
Block (103) is controlled by door travel hydraulicdirectional control valve component (111)；Door travel hydraulicdirectional control valve component (111), which is in, to be connected
During state, the oil circuit of door travel hydraulic pressure performing module (103) is unimpeded, and car door (106) can freely be opened；Door travel liquid
When pressing reversing valve assembly (111) in self-locking state, the oil circuit of door travel hydraulic pressure performing module (103) disconnects, car door (106)
It can not be opened.
6. a kind of safety device of relative traveling speed control car door hydraulic pressure self-locking according to claim 1, its feature exists
In the door travel controlling switch one (109) be danger button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311885.0A CN106968546B (en) | 2017-05-05 | 2017-05-05 | A kind of safety device of opposite traveling speed control car door hydraulic pressure self-locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311885.0A CN106968546B (en) | 2017-05-05 | 2017-05-05 | A kind of safety device of opposite traveling speed control car door hydraulic pressure self-locking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106968546A true CN106968546A (en) | 2017-07-21 |
| CN106968546B CN106968546B (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710311885.0A Active CN106968546B (en) | 2017-05-05 | 2017-05-05 | A kind of safety device of opposite traveling speed control car door hydraulic pressure self-locking |
Country Status (1)
| Country | Link |
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| CN (1) | CN106968546B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033616A (en) * | 1972-08-28 | 1977-07-05 | Keystone Industries, Inc. | Automotive vehicle door retarding and closing mechanism |
| US20080294314A1 (en) * | 2007-05-21 | 2008-11-27 | Gm Global Technology Operations, Inc. | Obstruction Detection Device for Vehicle Door and Method |
| CN104405225A (en) * | 2014-10-16 | 2015-03-11 | 乔明齐 | Automobile automatic door device micro type hydraulic actuator and control method thereof |
| CN105672785A (en) * | 2016-03-28 | 2016-06-15 | 安徽工程大学 | Anti-collision system for door opening of vehicle and control method |
| CN105952289A (en) * | 2016-05-09 | 2016-09-21 | 江苏金坛汽车工业有限公司 | Device for avoiding collision with surrounding vehicles when user parks and opens car door and control method thereof |
| CN106199629A (en) * | 2016-06-27 | 2016-12-07 | 联想(北京)有限公司 | A kind of information processing method and processor |
| CN106458129A (en) * | 2014-01-30 | 2017-02-22 | 沃伦产业有限公司 | Vehicle door control system with dynamic obstacle detection |
| CN206722626U (en) * | 2017-05-05 | 2017-12-08 | 安徽工程大学 | A kind of safety device of relative traveling speed control car door hydraulic pressure self-locking |
-
2017
- 2017-05-05 CN CN201710311885.0A patent/CN106968546B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033616A (en) * | 1972-08-28 | 1977-07-05 | Keystone Industries, Inc. | Automotive vehicle door retarding and closing mechanism |
| US20080294314A1 (en) * | 2007-05-21 | 2008-11-27 | Gm Global Technology Operations, Inc. | Obstruction Detection Device for Vehicle Door and Method |
| CN106458129A (en) * | 2014-01-30 | 2017-02-22 | 沃伦产业有限公司 | Vehicle door control system with dynamic obstacle detection |
| CN104405225A (en) * | 2014-10-16 | 2015-03-11 | 乔明齐 | Automobile automatic door device micro type hydraulic actuator and control method thereof |
| CN105672785A (en) * | 2016-03-28 | 2016-06-15 | 安徽工程大学 | Anti-collision system for door opening of vehicle and control method |
| CN105952289A (en) * | 2016-05-09 | 2016-09-21 | 江苏金坛汽车工业有限公司 | Device for avoiding collision with surrounding vehicles when user parks and opens car door and control method thereof |
| CN106199629A (en) * | 2016-06-27 | 2016-12-07 | 联想(北京)有限公司 | A kind of information processing method and processor |
| CN206722626U (en) * | 2017-05-05 | 2017-12-08 | 安徽工程大学 | A kind of safety device of relative traveling speed control car door hydraulic pressure self-locking |
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| Publication number | Publication date |
|---|---|
| CN106968546B (en) | 2018-04-17 |
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Effective date of registration: 20201223 Address after: 51 Laiyang Road, Xin'an Town, Lai'an county, Chuzhou City, Anhui Province Patentee after: Anyang County Intellectual Property Operation Co.,Ltd. Address before: 241001 Beijing Middle Road, Wuhu City, Anhui Province Patentee before: ANHUI POLYTECHNIC University |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A safety device for hydraulic self-locking of car doors controlled by relative driving speed Effective date of registration: 20231007 Granted publication date: 20180417 Pledgee: Industrial and Commercial Bank of China Co.,Ltd. Lai'an Sub branch Pledgor: Anyang County Intellectual Property Operation Co.,Ltd. Registration number: Y2023980059962 |
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