CN110588526A - Vehicle-mounted navigation device for assisting driving of motor vehicle - Google Patents

Vehicle-mounted navigation device for assisting driving of motor vehicle Download PDF

Info

Publication number
CN110588526A
CN110588526A CN201910922434.XA CN201910922434A CN110588526A CN 110588526 A CN110588526 A CN 110588526A CN 201910922434 A CN201910922434 A CN 201910922434A CN 110588526 A CN110588526 A CN 110588526A
Authority
CN
China
Prior art keywords
rotating shaft
motor vehicle
navigation screen
circuit
vehicle
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.)
Withdrawn
Application number
CN201910922434.XA
Other languages
Chinese (zh)
Inventor
吴游
金龙
张泳翔
李垣江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University of Science and Technology
Original Assignee
Jiangsu University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu University of Science and Technology filed Critical Jiangsu University of Science and Technology
Priority to CN201910922434.XA priority Critical patent/CN110588526A/en
Publication of CN110588526A publication Critical patent/CN110588526A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0258Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for navigation systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0001Arrangements for holding or mounting articles, not otherwise provided for characterised by position
    • B60R2011/0003Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
    • B60R2011/0007Mid-console
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/0049Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means for non integrated articles
    • B60R2011/005Connection with the vehicle part
    • B60R2011/0052Connection with the vehicle part using screws, bolts, rivets or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008Adjustable or movable supports
    • B60R2011/0085Adjustable or movable supports with adjustment by rotation in their operational position

Abstract

The invention discloses a vehicle-mounted navigation device for assisting driving of a motor vehicle, which comprises a mounting seat, a navigation screen, a red light bulb and a circuit room, wherein a first rotating shaft is connected above the mounting seat, a connecting seat is connected above the first rotating shaft, a second rotating shaft is arranged in the connecting seat, a supporting column is connected above the second rotating shaft, a third rotating shaft is arranged in the supporting column, the navigation screen is connected in front of the third rotating shaft, an additional room is arranged on the left side of the navigation screen, a distress button is arranged on the front surface of the additional room, and the circuit room is arranged in the additional room. This vehicle navigation device of motor vehicle driver assistance, the navigation screen can carry out the ascending adjustment of level and vertical side through a plurality of pivots in the top of mount pad for the navigating mate can make things convenient for safe observation navigation screen more, and if there is children stranded inside the vehicle by the lock, can press the distress button and save oneself.

Description

Vehicle-mounted navigation device for assisting driving of motor vehicle
Technical Field
The invention relates to the technical field of motor vehicles, in particular to a vehicle-mounted navigation device for assisting driving of a motor vehicle.
Background
The motor vehicle is driven by a power device and runs on a special road, the interior of the motor vehicle consists of a plurality of high-precision parts, as the motor vehicle can run through a plurality of road routes in the use process, the territory area of China is huge, the road network is complicated, vehicle-mounted navigation is usually attached to the interior of the motor vehicle, the vehicle-mounted navigation is an intelligent navigator, and the motor vehicle navigation system has the main functions of planning the running route for the motor vehicle, indicating the running direction and timely reminding and proposing suggestions on traffic road conditions in the running process of the motor vehicle.
Conventional motor vehicle navigation device is mostly the electronic screen outward appearance of inlaying at motor vehicle console front surface, this kind of fixed mode is comparatively firm, can ensure that vehicle navigation can not go the jolting in-process that appears taking place not hard up and drop at the vehicle, however this kind of vehicle navigation can't carry out towards the ascending adjustment of angle, the personnel of traveling need control the in-process that the vehicle gos forward and distract the screen route planning of observing vehicle navigation, this kind of distraction action leads to traffic accident easily at the in-process that the vehicle goes, cause danger and vehicle loss.
Disclosure of Invention
The invention aims to provide a vehicle-mounted navigation device for assisting driving of a motor vehicle, which aims to solve the problems that most of the conventional vehicle-mounted navigation devices for the motor vehicle, which are proposed in the background technology, are fixedly arranged on the front surface of a console, cannot be adjusted in an angle direction, and can possibly cause traffic accidents due to driver distraction.
In order to achieve the purpose, the invention provides the following technical scheme: a vehicle-mounted navigation device for assisting driving of a motor vehicle comprises a mounting seat, a navigation screen, a red light bulb and a circuit chamber, wherein a first rotating shaft is connected above the mounting seat, a connecting seat is connected above the first rotating shaft, a second rotating shaft is installed inside the connecting seat, a supporting column is connected above the second rotating shaft, a limiting groove is formed in the front surface of the supporting column, a limiting block is connected inside the limiting groove and is installed on the front surface of the second rotating shaft, a third rotating shaft is installed inside the supporting column, a fixing seat is connected in front of the third rotating shaft, the navigation screen is connected in front of the fixing seat, an additional chamber is arranged on the left side of the navigation screen, a distress button is arranged on the front surface of the additional chamber, the red light bulb is installed inside the rear side of the additional chamber, the circuit chamber is installed inside the additional chamber, and the inside of circuit room is provided with the metal circuit, ruddiness bulb is located the rear side of metal circuit, the rear side of calling for help button is provided with the metal strip, the inner wall of spacing groove is provided with the fixture block, the draw-in groove has been seted up to the periphery of stopper.
Preferably, the mounting base and the connecting base form a rotating structure through a first rotating shaft, the connecting base and the supporting column form a rotating structure through a second rotating shaft, the supporting column and the fixing base form a rotating structure through a third rotating shaft, and the fixing base and the navigation screen form an integrated structure.
Preferably, the limiting groove and the limiting block form a sliding structure, the limiting block and the second rotating shaft form an integrated structure, and the contact peripheral surface of the limiting block and the limiting groove is provided with a rubber interlayer.
Preferably, the periphery of the limiting block is equiangularly provided with clamping grooves, the inner wall of the limiting groove is equiangularly provided with clamping blocks, the clamping blocks are made of elastic rubber materials, and the clamping blocks and the clamping grooves form a clamping structure.
Preferably, the distress button and the additional chamber form a sliding structure, the distress button and the metal strip form an integrated structure, and the metal strip and the circuit chamber form a sliding structure.
Preferably, the metal circuit is a rectangular structure with a notch formed in the right side, and the notch formed in the right side of the metal circuit and the metal strip form a clamping structure.
Compared with the prior art, the invention has the beneficial effects that: the vehicle-mounted navigation device for assisting the driving of the motor vehicle,
1. the device is fixedly arranged on the upper surface of an operation platform in the motor vehicle through a mounting seat and a fixing bolt, after the fixing is finished, the connecting seat can rotate above the mounting seat through a first rotating shaft, and when the connecting seat rotates, a supporting column and a navigation screen above the connecting seat are driven to synchronously rotate, so that a motor vehicle driver can rotate the facing angle of the navigation screen in the horizontal direction, and the driver can keep a driving posture to observe the navigation screen more conveniently;
2. the supporting column can rotate above the connecting seat through the second rotating shaft, so that the vertical angle of the supporting column and a navigation screen above the supporting column can be adjusted preliminarily, the limiting blocks and the clamping grooves provide resistance to enable the supporting column not to rotate autonomously without external force, and then the navigation screen can rotate in front of the supporting column through the third rotating shaft, so that the angle of the navigation screen can be adjusted more carefully, and the situation that the navigation screen cannot be seen clearly due to backlight is avoided;
3. the left side of navigation screen is provided with the distress button, if someone or children appear and are locked the dangerous condition that can't go out in the inside of motor vehicle, stranded personnel can press the distress button for the ruddiness bulb is lighted in the metal wiring circular telegram, and the dazzling ruddiness that the ruddiness bulb launched jets out the outside of motor vehicle through the front windshield of motor vehicle, thereby attracts external personnel's attention, seeks help.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic view of the overall rear view structure of the present invention;
FIG. 3 is a schematic left side sectional view of the interior of the additional chamber of the present invention;
FIG. 4 is a front view of the connection between the limiting groove and the limiting block.
In the figure: 1. a mounting seat; 2. a first rotating shaft; 3. a connecting seat; 4. a second rotating shaft; 5. a support pillar; 6. a limiting groove; 7. a limiting block; 8. a navigation screen; 9. an additional chamber; 10. a call for help button; 11. a red light bulb; 12. a third rotating shaft; 13. a fixed seat; 14. a circuit chamber; 15. a metal line; 16. a metal strip; 17. a clamping block; 18. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a vehicle-mounted navigation device for assisting driving of a motor vehicle comprises a mounting seat 1, a first rotating shaft 2, a connecting seat 3, a second rotating shaft 4, a supporting column 5, a limiting groove 6, a limiting block 7, a navigation screen 8, an additional chamber 9, a distress call button 10, a red light bulb 11, a third rotating shaft 12, a fixing seat 13, a circuit chamber 14, a metal circuit 15, a metal strip 16, a clamping block 17 and a clamping groove 18, wherein the first rotating shaft 2 is connected above the mounting seat 1, the connecting seat 3 is connected above the first rotating shaft 2, the second rotating shaft 4 is installed inside the connecting seat 3, the supporting column 5 is connected above the second rotating shaft 4, the limiting groove 6 is formed in the front surface of the supporting column 5, the limiting block 7 is connected inside the limiting groove 6, the limiting block 7 is installed on the front surface of the second rotating shaft 4, the third rotating shaft 12 is installed inside the supporting column 5, and the fixing seat 13 is connected in front of, and the place ahead of fixing base 13 is connected with navigation screen 8, the left side of navigation screen 8 is provided with additional room 9, and the front surface of additional room 9 is provided with distress button 10, and the rear side internally mounted of additional room 9 has ruddiness bulb 11, the internally mounted of additional room 9 has circuit chamber 14, and the inside of circuit chamber 14 is provided with metal circuit 15, ruddiness bulb 11 is located the rear side of metal circuit 15, the rear side of distress button 10 is provided with metal strip 16, the inner wall of spacing groove 6 is provided with fixture block 17, draw-in groove 18 has been seted up to the periphery of stopper 7.
Mount pad 1 constitutes revolution mechanic through first pivot 2 and connecting seat 3, and connecting seat 3 constitutes revolution mechanic through second pivot 4 and support column 5, and support column 5 constitutes revolution mechanic through third pivot 12 and fixing base 13, fixing base 13 constitutes the integral structure with navigation screen 8, after this device installation is accomplished, the user can rotate the level of connecting seat 3 towards the angle through first pivot 2, thereby adjust navigation screen 8's level towards the angle, through second pivot 4 rotation support column 5, thereby adjust this device top vertical direction angle, rotate navigation screen 8 through third pivot 12, thereby adjust navigation screen 8's vertical direction angle, consequently, the user can adjust navigation screen 8 to suitable angular direction according to individual.
Spacing groove 6 constitutes sliding construction with stopper 7, and stopper 7 constitutes integral structure with second pivot 4, and stopper 7 sets up to the rubber material interlayer with spacing groove 6's contact outer peripheral face, when support column 5 rotates in the top of connecting seat 3 through second pivot 4, stopper 7 slides in spacing groove 6's inside, through the turned angle of 6 control support columns in spacing groove, make navigation screen 8 can't carry out the wide-angle rotation, improve the stability of this device.
Draw-in groove 18 has been seted up to the periphery of stopper 7 equiangular, equidistant range of inner wall of spacing groove 6 has fixture block 17, and fixture block 17 sets up to elastic rubber material, and fixture block 17 constitutes the block structure with draw-in groove 18, connecting seat 3, the contact surface of second pivot 4 and support column 5 all is provided with the coefficient of friction between the rubber contact layer increase them, when stopper 7 slides in spacing groove 6's inside, fixture block 17 contacts with draw-in groove 18, slide in-process fixture block 17 produces deformation under user's thrust action, increase support column 5's rotational resistance, consequently, when rotating the completion back, the mutual block of fixture block 17 of draw-in groove 18 and correspondence, and the frictional force combined action that provides between each rubber contact surface, make this device can not take place the rotation under the circumstances of no exogenic action, thereby promote the stability of this device.
The distress button 10 and the additional chamber 9 form a sliding structure, the distress button 10 and the metal strip 16 form an integrated structure, the metal strip 16 and the circuit chamber 14 form a sliding structure, a user can push the distress button 10 from outside to inside to drive the metal strip 16 to synchronously slide inwards to be in contact with the circuit chamber 14, a notch is formed in the side, close to the metal strip 16, of the circuit chamber 14, and the metal strip 16 can slide inwards into the circuit chamber 14 along the notch.
Metal line 15 sets up to offer the rectangle structure of notch on the right side, and the notch that metal line 15 right side was seted up constitutes block structure with metal strip 16, and after metal strip 16 slided into the inside of circuit room 14 under the effect of distress button 10, contacted with metal line 15, circuit room 14 provided electric power for the closed circular telegram of metal line 15 circuit, thereby lighted red light bulb 11, makeed red light bulb 11 outwards launches light.
The working principle is as follows: firstly, as shown in fig. 1 and 2, the device is fixedly installed on a platform plane inside a motor vehicle through an installation seat 1, a navigation screen 8 is kept in a horizontal and vertical state in an initial state, a driver sits on a driving position and can adjust the facing angle of the navigation screen 8 according to personal habits, and a connection seat 3 is rotated through a first rotating shaft 2, so that the connection seat 3 drives the whole device above to synchronously rotate, and the horizontal deviation angle of the navigation screen 8 is adjusted;
the supporting column 5 is rotated through the second rotating shaft 4, so that the supporting column 5 drives the whole body above to rotate in the vertical direction, thereby primarily adjusting the vertical deflection angle of the upper half of the device, as shown in fig. 1 and 4, when the supporting column 5 is kept still, the block 17 and the slot 18 are in a clamping state, which co-acts with the rubber barriers between the respective contact surfaces, provides resistance, enabling the support column 5 and the device above it to remain stationary, when the user pushes the support pillar 5, the limit block 7 slides in the limit groove 6, the second rotating shaft 4 is kept different, the limiting block 7 and the clamping groove 18 are kept still, the limiting groove 6 rotates synchronously with the supporting column 5, the clamping block 17 deforms under the compression of the limiting block 7, the limiting groove 6 can smoothly rotate, and after the rotation is finished, the supporting column 5 stays at the rotation angle and cannot change again;
the navigation screen 8 is connected above the supporting column 5 through the fixing seat 13, and a user can enable the navigation screen 8 and the supporting column 5 to rotate relatively through the third rotating shaft 12, so that the facing angle of the navigation screen 8 is adjusted, compared with the rotation of the supporting column 5 above the connecting seat 3, the rotation angle of the navigation screen 8 on the front side of the supporting column 5 is smaller, and more detailed angle adjustment can be performed;
the left side of a navigation screen 8 of the device is provided with an additional chamber 9, the interior of the additional chamber 9 is provided with a metal circuit 15, if the situation that other people or children are locked in the motor vehicle occurs, the person in the vehicle can ask for help by pressing the distress button 10 to make the red light bulb 11 emit light to attract the attention of the person outside the vehicle, as shown in figures 1, 2 and 3, when a person in the vehicle presses the distress button 10 inwards, the distress button 10 drives the metal strip 16 to slide in the same direction in the sliding process, so that the end of the metal strip 16, which is in contact with the circuit compartment 14, slides inside the circuit compartment 14 along a notch made in the surface of the circuit compartment 14, with the breach department looks block that metal line 15 the place ahead was reserved for metal line 15's circuit is closed, provides electric power by circuit room 14 and lights red light bulb 11, makes red light bulb 11 outwards launch ruddiness, seeks the help of the personnel outside the car.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a motor vehicle driver assistance's vehicle navigation head, includes mount pad (1), navigation screen (8), ruddiness bulb (11) and circuit room (14), its characterized in that: the upper part of the mounting seat (1) is connected with a first rotating shaft (2), the upper part of the first rotating shaft (2) is connected with a connecting seat (3), a second rotating shaft (4) is installed inside the connecting seat (3), a supporting column (5) is connected above the second rotating shaft (4), a limiting groove (6) is formed in the front surface of the supporting column (5), a limiting block (7) is connected inside the limiting groove (6), the limiting block (7) is installed on the front surface of the second rotating shaft (4), a third rotating shaft (12) is installed inside the upper part of the supporting column (5), a fixing seat (13) is connected in front of the third rotating shaft (12), a navigation screen (8) is connected in front of the fixing seat (13), an additional chamber (9) is arranged on the left side of the navigation screen (8), and a distress call button (10) is arranged on the front surface of the additional chamber (9), and the rear side internally mounted of additional room (9) has ruddiness bulb (11), the internally mounted of additional room (9) has circuit room (14), and the inside of circuit room (14) is provided with metal line (15), ruddiness bulb (11) are located the rear side of metal line (15), the rear side of distress call button (10) is provided with metal strip (16), the inner wall of spacing groove (6) is provided with fixture block (17), draw-in groove (18) have been seted up to the periphery of stopper (7).
2. The vehicular navigation apparatus for assisting driving of a motor vehicle according to claim 1, characterized in that: mount pad (1) constitutes revolution mechanic through first pivot (2) and connecting seat (3), and connecting seat (3) constitute revolution mechanic through second pivot (4) and support column (5) to support column (5) constitute revolution mechanic through third pivot (12) and fixing base (13), fixing base (13) constitute the integral structure with navigation screen (8).
3. The vehicular navigation apparatus for assisting driving of a motor vehicle according to claim 1, characterized in that: the limiting groove (6) and the limiting block (7) form a sliding structure, the limiting block (7) and the second rotating shaft (4) form an integrated structure, and the contact peripheral face of the limiting block (7) and the limiting groove (6) is provided with a rubber interlayer.
4. The vehicular navigation apparatus for assisting driving of a motor vehicle according to claim 1, characterized in that: the periphery of the limiting block (7) is equiangularly provided with clamping grooves (18), the inner walls of the limiting grooves (6) are equidistantly provided with clamping blocks (17), the clamping blocks (17) are made of elastic rubber materials, and the clamping blocks (17) and the clamping grooves (18) form a clamping structure.
5. The vehicular navigation apparatus for assisting driving of a motor vehicle according to claim 1, characterized in that: the distress button (10) and the additional chamber (9) form a sliding structure, the distress button (10) and the metal strip (16) form an integrated structure, and the metal strip (16) and the circuit chamber (14) form a sliding structure.
6. The vehicular navigation apparatus for assisting driving of a motor vehicle according to claim 1, characterized in that: the metal circuit (15) is of a rectangular structure with a notch formed in the right side, and the notch formed in the right side of the metal circuit (15) and the metal strip (16) form a clamping structure.
CN201910922434.XA 2019-09-27 2019-09-27 Vehicle-mounted navigation device for assisting driving of motor vehicle Withdrawn CN110588526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910922434.XA CN110588526A (en) 2019-09-27 2019-09-27 Vehicle-mounted navigation device for assisting driving of motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910922434.XA CN110588526A (en) 2019-09-27 2019-09-27 Vehicle-mounted navigation device for assisting driving of motor vehicle

Publications (1)

Publication Number Publication Date
CN110588526A true CN110588526A (en) 2019-12-20

Family

ID=68863976

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910922434.XA Withdrawn CN110588526A (en) 2019-09-27 2019-09-27 Vehicle-mounted navigation device for assisting driving of motor vehicle

Country Status (1)

Country Link
CN (1) CN110588526A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09109791A (en) * 1995-10-23 1997-04-28 Daifuretsukusu:Kk On-vehicle monitor supporting tool for mounting sensor
JP2011225138A (en) * 2010-04-21 2011-11-10 Ichikoh Ind Ltd Television monitor device for vehicle
CN208630492U (en) * 2018-04-26 2019-03-22 深圳酷风汽车科技有限公司 A kind of novel on-vehicle navigation bracket
CN208670500U (en) * 2018-07-23 2019-03-29 阮英爽 A kind of Visual Communication Design exhibition stand
CN109612473A (en) * 2018-10-31 2019-04-12 张凌 A kind of on-vehicle navigation apparatus based on Beidou navigation
CN209176610U (en) * 2018-07-26 2019-07-30 天津奇华环宇科技有限公司 A kind of absorption dust protected in-vehicle navigation apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09109791A (en) * 1995-10-23 1997-04-28 Daifuretsukusu:Kk On-vehicle monitor supporting tool for mounting sensor
JP2011225138A (en) * 2010-04-21 2011-11-10 Ichikoh Ind Ltd Television monitor device for vehicle
CN208630492U (en) * 2018-04-26 2019-03-22 深圳酷风汽车科技有限公司 A kind of novel on-vehicle navigation bracket
CN208670500U (en) * 2018-07-23 2019-03-29 阮英爽 A kind of Visual Communication Design exhibition stand
CN209176610U (en) * 2018-07-26 2019-07-30 天津奇华环宇科技有限公司 A kind of absorption dust protected in-vehicle navigation apparatus
CN109612473A (en) * 2018-10-31 2019-04-12 张凌 A kind of on-vehicle navigation apparatus based on Beidou navigation

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Application publication date: 20191220

WW01 Invention patent application withdrawn after publication