Utility model content
The purpose of this utility model is the defect existing for above-mentioned prior art, and a kind of vehicle navigation device is provided.
The technical solution adopted in the utility model is, designs a kind of vehicle navigation device, comprising: navigating instrument, and its bottom is provided with power connector, and the rear side of this navigating instrument is provided with fixed installation hole; Back splint, comprise interconnective protecgulum and bonnet, the top of back splint is provided with the buckle button for fixedly mounting hole described in clamping, formation boss is stretched out along described protecgulum direction in the bottom of back splint, on this boss, be provided with the power supply slot adaptor union coordinating with described power connector, one side of back splint is provided with USB interface, and described power supply slot adaptor union is connected with USB interface by a supply module, is installed with universal headstock on the rear side of described bonnet; And support, comprising pipe link, its one end is installed with Universal-head, and this Universal-head is rotatably mounted in described universal headstock by universal head-shield, and the other end of described pipe link is provided with a sucker; The USB interface of described back splint is connected with the OBD power interface of automobile by OBD connection lead, and OBD power supply is powered to navigating instrument by back splint.
In one embodiment, described pipe link is formed by connecting by face-piece, center and drain pan, and described sucker is fixedly mounted on described drain pan below, is also provided with a cage knob being connected with described sucker on described face-piece.
The rear side of described bonnet is provided with the wire clamp for fixing OBD connection lead.
Described navigating instrument comprises back cover, the framework being connected with this back cover and the screen that is arranged on frame front end, and the below of described back cover is positioned at described power connector both sides and is provided with knock hole; Position corresponding with described knock hole on the boss of described back splint is provided with locating piece.
The front side of described protecgulum is provided with multiple rubber cushions.
Vehicle navigation device of the present utility model also comprises an external radar installation, it is arranged on the driving compartment outside of automobile, described external radar installation comprises radar and gps antenna, and described external radar installation is connected with the OBD power interface of automobile by OBD connection lead, and by OBD Power supply; In described back splint, be provided with a pcb board, described radar is connected with the USB interface of described back splint by OBD connection lead, and this pcb board is for receiving radar data and send described navigating instrument to; Described navigating instrument outside is also provided with GPS socket, and described gps antenna is connected with described GPS socket by OBD connection lead, and sends gps data to described navigating instrument.
Described USB interface adopts Micro USB interface.
Described navigating instrument adopts portable navigation device.
Described power connector adopts spring-piece type power connector, and described power supply slot adaptor union adopts golden finger battery socket.
Compared with prior art, in the utility model, adopt OBD power supply mode, power lead is not being exposed, make car internal regression clean and tidy; By setting up external radar, improve the scope of navigating instrument search of satellite, make the receipts star value of navigating instrument far above the receipts star value of common navigating instrument, thereby reach definite user terminal location, reach the object of location.
The specific embodiment
Below in conjunction with drawings and Examples, utility model is described in detail.
As shown in Figure 1, the vehicle navigation device the utility model proposes, comprising: navigating instrument 1, and its bottom is provided with power connector 11, and the rear side of this navigating instrument 1 is provided with fixed installation hole 12; Back splint 2, comprise protecgulum 20 and the bonnet 21 of mutual buckle, the top of back splint 2 is provided with the buckle button 23 for fixedly mounting hole 12 described in clamping, the bottom of back splint is stretched out and is formed boss 22 along described protecgulum direction, on this boss, be provided with the power supply slot adaptor union coordinating with described power connector 11, one side of back splint 2 is provided with USB interface 25, and described power supply slot adaptor union is connected with USB interface 25 by a supply module, is installed with universal headstock 26 on the rear side of described bonnet 21; And support 3, comprising pipe link 32, its one end is installed with Universal-head 31, and this Universal-head 31 is rotatably mounted in described universal headstock 26 by universal head-shield 27, and the other end of described pipe link 32 is provided with a sucker 33; The USB interface 25 of described back splint 2 is connected with the OBD power interface of automobile by OBD connection lead, and OBD power supply powers to navigating instrument 1 by back splint 2.
From Fig. 1 and Fig. 2, can find out, navigating instrument 1 comprises back cover 13, the framework 14 being connected with this back cover and the screen 15 that is arranged on frame front end, and this screen 15 adopts PET material.In navigating instrument 1, be provided with mainboard, power connector 11, Micro USB interface, TF deck interface, GPS socket 17, switch key, read-out, loudspeaker etc., below back cover, be respectively equipped with the opening for power connector 11, Micro USB interface, TF deck interface, GPS socket 17, the top of back cover is provided with the opening for switch key, near apical position, be provided with fixed installation hole 12, in the both sides of these power connector 11 openings, be also provided with two knock holees 16.Back splint 2, from Fig. 1 and Fig. 3, can find out, by protecgulum 20 21 clampings be formed by connecting (can certainly screw be connected or one-body molded) with bonnet, the bottom of back splint is stretched out and is formed boss 22 along described protecgulum direction level, be that protecgulum 20 and bonnet 21 are all made into L shaped shape, boss 22 is for carrying navigating instrument.The top of protecgulum 20 and bonnet 21 is provided with breach, and this gap position be provided with for fixed installation hole 12 connect and fix the buckle button 23(that coordinates certainly this buckle button 23 also can be arranged on the lateral location of the portion of leaning against 21), protecgulum 20 near top and with on navigating instrument 1 back cover, fixedly mount position corresponding to hole 12 and stretch out a door, the below that this protecgulum 20 is positioned at door is provided with opening, the grab of buckle button 23 stretches out this opening and by spring, is rotatably fixed on the apical position of back splint 2, grab is parallel with door and leave certain intervals, making can relative motion between grab and door.Boss 22 is provided with power supply slot adaptor union 24 and the position corresponding with knock hole is provided with protruding locating piece 29, these power supply slot adaptor union 24 belows are connected with a pcb board, and the rear side of described bonnet 21 is provided with the USB interface 25 being connected with this pcb board, the wire clamp 28 connecting for fixing OBD and the universal headstock 26 of truncated cone-shaped.Pcb board is provided with supply module, and the input end of this supply module is connected with USB interface 25, and mouth is connected with power supply slot adaptor union 24.Adopt this structure, when navigating instrument is placed on back splint, the grab of buckle button is clamped the lower edge that fixedly mounts hole on navigating instrument, and locating piece makes navigating instrument fixing more firm, presses plectrum on buckle button and carrys out release catch and make navigating instrument separation with back splint; The USB interface of back splint is connected with the OBD power interface of automobile by OBD connection lead, then realizes power supply and the data transmission of back splint to navigating instrument by power connector and power supply slot adaptor union.
The protecgulum 20 of back splint is provided with multiple grooves, and fills in rubber cushion 30 in this groove, and the height of rubber cushion is higher than the degree of depth of groove.Adopt this structure, rubber cushion upper surface stretches out groove, utilizes the elasticity of rubber cushion, after navigating instrument is fixed on back splint, can make heavy keying fit tightr, and fixed effect is better.
Support 3, as can be seen from Figure 1 and Figure 4, comprise pipe link 32 and the sucker 33 being connected with these pipe link 32 bottoms, this pipe link 32 is formed by connecting by face-piece 34, center 35 and drain pan 36, the other end of drain pan is provided with the Universal-head 31 being connected with back splint 2, and Universal-head is rotatably mounted in universal headstock 26 by universal head-shield 27.On sucker 33, stretch out an inserted block 38, this inserted block 38 is inserted into from drain pan 36 belows in the Connection Block 39 of drain pan, the both sides of Connection Block are provided with chute, perforate be provided with a cage knob 37 on face-piece, the top of inserted block is connected with the bottom of this cage knob by pin, the two ends of pin are stretched in chute and can moved up and down.When cage knob presses down, by inserted block, the air of sucker 33 bottoms is extruded, make sucker 33 firmly be adsorbed on glass etc. and be attached on thing; On while carrying by pulling inserted block to make sucker 33 and be attached thing and depart from.Adopt this structure, by cage knob, can make frame bottom fixing/disengaging fast, the other end of support is connected with back splint by Universal-head, when using navigating instrument, can adjust navigating instrument to arbitrarily angled in visual angle as required.
The utility model also comprises an external radar installation, it is arranged on the driving compartment outside of automobile, for example be arranged in front engine hood of automobile, external radar installation comprises radar and gps antenna, radar is connected with the OBD power interface of automobile by OBD connection lead, and communicates by letter with back splint by the USB interface 25 of back splint; Gps antenna is connected with OBD power interface by OBD connection lead, and communicates by letter with navigating instrument by the GPS socket of navigating instrument.Adopt this structure, can improve navigating instrument search of satellite and accept the scope of satellite-signal, make the receipts star value of navigating instrument far above the receipts star value of common navigating instrument.
In the present embodiment, sucker 33 can be adsorbed on Windshield, and OBD connection lead can be fixed between the A post (A post is the joint pin that left front and right front connect roof and front deck) of Windshield both sides, also can be hidden in A post.Navigating instrument can adopt portable navigation device (Portable Navigation Devices, PND), and power connector 11 can adopt spring-piece type power connector, and power supply slot adaptor union 24 can adopt golden finger battery socket.
The following describes power supply of the present utility model and Principle of Communication:
OBD power interface is connected with the USB interface 25 of external radar installation, back splint and the GPS socket 17 of navigating instrument respectively by OBD connection lead, radar in external radar installation and back splint are by OBD Power supply, and radar is carried out data transmission and communicated by letter by OBD connection lead with back splint; Gps antenna in external radar installation is powered by radar, and gps antenna is carried out data transmission and communicated by letter by OBD connection lead with navigating instrument; Back splint is connected with power supply slot adaptor union by power connector with navigating instrument, and back splint can not only be powered to navigating instrument, and the communication that radar can also be received is to navigating instrument.
In the utility model, adopt OBD power supply mode, power lead is not being exposed, make car internal regression clean and tidy; By setting up external radar, can improve navigating instrument search of satellite and accept the scope of satellite-signal, make the receipts star value of navigating instrument far above the receipts star value of common navigating instrument.