CN113916238A - Navigation method based on fluid vibration reduction type vehicle-mounted navigation system - Google Patents
Navigation method based on fluid vibration reduction type vehicle-mounted navigation system Download PDFInfo
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- CN113916238A CN113916238A CN202111174359.7A CN202111174359A CN113916238A CN 113916238 A CN113916238 A CN 113916238A CN 202111174359 A CN202111174359 A CN 202111174359A CN 113916238 A CN113916238 A CN 113916238A
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- navigation
- main board
- mounting
- shell
- navigation main
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/265—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network constructional aspects of navigation devices, e.g. housings, mountings, displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0258—Arrangements 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
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
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- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a navigation method based on a fluid vibration reduction type vehicle-mounted navigation system, belongs to the field of vehicle-mounted navigation, and solves the problems that vibration of a navigation main board is caused by bumping generated in the running process of the existing vehicle, electronic components on the navigation main board are loosened, and the use of the navigation main board is influenced, and a large amount of heat is generated in the use process of the navigation main board, so that the electronic components are in a high-temperature environment, and the service life of the navigation main board is influenced; the central point that the mainboard that navigates is located the installing zone of casing group puts the department, the installing zone is the enclosed environment and is provided with the liquid buffering medium that possesses insulating, noncorrosive nature, spread all over the liquid buffering medium around the mainboard that navigates and carry out the flexible buffering at no dead angle, make liquid buffering medium form the heat that the navigation mainboard was taken away in the circulation flow through heat dissipation mechanism, the liquid buffering medium after the cooling bumps when discharging through a plurality of discharge ends, and then to diffusion all around and navigation mainboard uniform contact, rapid cooling.
Description
Technical Field
The invention relates to the field of vehicle navigation, in particular to a navigation method based on a fluid vibration reduction type vehicle navigation system.
Background
The vehicle-mounted navigation system is characterized in that a GPS (global positioning system) is matched with an electronic map to display one or more routes to a destination for a driver, and the most important navigation system is a navigation main board provided with a GPS module, a wireless communication module, a control module and other related electronic components.
The navigation mainboard is vibrated due to irregular jolt direction generated in the running process of a vehicle, so that electronic components on the navigation mainboard are loosened to influence the use of the navigation mainboard, the navigation mainboard needs to be buffered, the buffering is generally performed through a spring or a filled buffer material in the prior art, the buffering modes can only buffer one part of the navigation main board and cannot buffer without dead angles, in addition, the navigation main board can generate a large amount of heat in the using process, so that electronic components are in a high-temperature environment, therefore, the heat dissipation of the navigation main board is needed, the existing fan heat dissipation method is generally adopted, the heat dissipation effect is not good, the navigation main board cannot be kept in a proper temperature range, therefore, the invention provides a navigation method based on the fluid vibration damping type vehicle-mounted navigation system.
Disclosure of Invention
The invention provides a navigation method based on a fluid vibration reduction type vehicle-mounted navigation system, aiming at solving the problems that in the prior art, vibration of a navigation main board is caused by bumping generated in the driving process of a vehicle, electronic components on the navigation main board are loosened, and the use of the navigation main board is influenced, and the electronic components are in a high-temperature environment due to a large amount of heat generated in the use process of the navigation main board, so that the service life of the navigation main board is influenced.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A navigation method based on a fluid vibration damping type vehicle-mounted navigation system comprises the following steps:
s1: starting the vehicle, enabling a driver to touch a navigation device, enabling a navigation main board in the navigation device to work, and displaying a navigation route through a display screen;
s2: the navigation main board is connected with the side wall of the mounting area of the shell group through a connecting member, the mounting area of the shell group is a closed environment, a liquid buffer medium is arranged in the mounting area, the connecting member is used for enabling the navigation main board to be suspended at the center of the mounting area of the shell group in a flexible connection mode, and the gravity of the navigation main board is equal to the buoyancy of the navigation main board in the liquid buffer medium;
when the vehicle starts to run, jolting generated in the running process is flexibly transmitted to the navigation main board through the connecting component, and in the process, the navigation main board is buffered through a liquid buffer medium distributed around the navigation main board;
s3: in the step S2, the heat dissipation mechanism installed in the housing assembly starts to operate at the same time, the heat dissipation mechanism guides the liquid buffer medium in the housing assembly to form a circular flow, and the heat generated by the navigation main board is taken away by the circular flow liquid buffer medium to dissipate heat and cool the navigation main board.
As a further improvement and optimization of the present invention.
The shell group comprises a mounting shell with a rectangular shell structure with openings at two ends, one opening end of the mounting shell is provided with a mounting end cover a in a matching manner, the other opening end of the mounting shell is provided with a mounting end cover b in a matching manner, and the region among the mounting shell, the mounting end cover a and the mounting end cover b is a mounting region of the shell group;
the terminal surface of installation end cover a is provided with the connection shell, and the one end opening of connection shell and with the terminal surface connection of installation end cover a, other end opening and the mating installation have the connection lid, the lateral wall of connection shell is provided with the grafting port that is used for with external device grafting, connects through the winding displacement between grafting port, display screen, the navigation mainboard.
As a further improvement and optimization of the present invention.
The connecting component comprises elastic connecting components, the elastic connecting components are arranged between the right-angle end of the navigation main board and the right-angle end of the inner wall of the mounting shell, and four groups of the elastic connecting components are correspondingly arranged;
the elastic connecting assembly comprises a connecting frame and a connecting piece, the connecting frame is hinged to the right-angle end of the navigation main board, and the axial direction of a hinge shaft a formed at the hinge position of the connecting frame and the navigation main board is perpendicular to the large surface of the navigation main board;
the connecting pieces are provided with two groups and are symmetrically arranged relative to the navigation main board;
the connecting piece comprises a hinge frame b and a hinge frame a, the hinge frame b is hinged to the right-angle end of the inner wall of the mounting shell, the hinge frame a is hinged to the connection frame, a hinge shaft b is formed at the hinged position of the hinge frame a and the connection frame, a hinge shaft c is formed at the hinged position of the hinge frame b and the right-angle end of the inner wall of the mounting shell, the hinge shaft b and the hinge shaft c are parallel to each other, and the axial direction of the hinge shaft c is perpendicular to the axial direction of the hinge shaft a and perpendicular to the angular bisector of the right-angle end of the inner wall of the mounting shell;
and a spring is arranged between the hinge frame a and the hinge frame b, one end of the spring is connected with the hinge frame a, and the other end of the spring is connected with the hinge frame b.
As a further improvement and optimization of the present invention.
The end face of the mounting end cover b is provided with a fixed shell, one end of the fixed shell is closed and is connected with the end face of the mounting end cover b, and the other end of the fixed shell is opened and is provided with a sealing plate in a matching manner;
a central plate in a circular plate body structure is vertically arranged in the middle of the cavity bottom of the fixed shell, a side plate group is also vertically arranged at the cavity bottom of the fixed shell and consists of two groups of side plates which are parallel to each other, one end of each side plate is connected with the central plate, the other end of each side plate is connected with the cavity wall of the fixed shell, a transfer area is arranged between the two groups of side plates and communicated with the inner area of the central plate, and the side plate groups are arrayed in a plurality of groups along the circumferential direction of the central plate;
the opening of the inner area of the central plate, which is far away from the cavity bottom of the fixed shell, and the opening of the transfer area of each group of side plate columns, which is far away from the cavity bottom of the fixed shell are sealed by sealing plates;
a mounting hole communicated with the inner area of the central plate is formed in the middle of the closed end of the fixed shell, a central hole is formed in the middle of the end face of the mounting end cover b, and the mounting hole is communicated with the central hole in a connecting manner;
the closed end of the fixed shell is provided with a connecting hole b communicated with the transmission area of the side plate group, and the end face of the mounting end cover b is provided with a connecting hole a communicated with the connecting hole b.
As a further improvement and optimization of the present invention.
The heat dissipation mechanism is positioned in the mounting area of the shell group and comprises a motor, a centrifugal pump and a pipeline group;
the pipeline group comprises a mounting body and a flow dividing pipe, one end of the mounting body is opened and is connected and communicated with the central hole, the other end of the mounting body is closed, one end of the flow dividing pipe is connected and communicated with the mounting body, and the other end of the flow dividing pipe is connected and communicated with the mounting area of the shell group;
the centrifugal pump is arranged in the mounting body, the motor is arranged on the end face of the sealing plate, the output end of the motor sequentially penetrates through the sealing plate, the inner area of the central plate, the mounting hole and the central hole and then is in power connection with the centrifugal pump, and when the centrifugal pump runs, liquid buffer media are discharged into the mounting area of the shell assembly through the branch pipelines.
As a further improvement and optimization of the present invention.
The shunt tubes are divided into shunt sections a and shunt sections b, the extension direction of the shunt sections a is parallel to the large surface of the navigation main board, the extension direction of the shunt sections b is perpendicular to the large surface of the navigation main board, one end of the shunt sections a is connected and communicated with the installation body, the other end of the shunt sections a is connected and communicated with the shunt sections b, the tail ends of the shunt sections b are provided with drain pipes, the extension directions of the drain pipes are parallel to the large surface of the navigation main board, and the tail ends of the drain pipes are located right above the navigation main board.
As a further improvement and optimization of the present invention.
The shunt tubes are arranged in an array mode along the circumferential direction of the installation body, the drain tubes are arranged in a plurality of corresponding shunt tubes, and the tail ends of the drain tubes are close to each other.
As a further improvement and optimization of the present invention.
The end face of the sealing plate is provided with an auxiliary component, and the auxiliary component is used for assisting the heat dissipation mechanism to dissipate heat to the outside.
As a further improvement and optimization of the present invention.
The auxiliary component comprises a plurality of radiating fins which are uniformly arranged on the end face of the sealing plate at intervals, the radiating fins and the sealing plate are made of heat conducting materials, an avoidance area is arranged in the middle of the radiating fins, and the motor is positioned in the avoidance area;
the motor is a double-shaft motor structure, two output ends of the motor are respectively an output end a and an output end b, the output end a is in power connection with the centrifugal pump, and the output end b is connected with the fan.
As a further improvement and optimization of the present invention.
The above step S3:
s31: when the vehicle runs, the motor starts to run, the output end a of the motor drives the centrifugal pump to run, and the output end b drives the fan to run;
the centrifugal pump operates to enable liquid buffer media in the mounting area of the shell group to sequentially flow into the mounting body through the connecting hole a, the connecting hole b, the transfer area of the side plate group, the inner area of the central plate, the mounting hole and the central hole, in the process, the liquid buffer media take away heat on the navigation main board, the heat in the liquid buffer media is transferred to the radiating fins through the sealing plates, the heat is dissipated to the outside through the matching of the radiating fins and the fan, and the liquid buffer media are cooled;
s32: the cooled liquid buffer media are discharged to the mounting area of the shell group through the flow dividing pipes and the liquid discharge pipes, and in the process, the liquid buffer media discharged through the liquid discharge pipes collide with each other, so that the liquid buffer media diffuse and sink around to be contacted with the navigation mainboard, and the navigation mainboard is cooled through heat dissipation;
s33: and repeating the steps S31-S32, and continuously cooling the navigation main board.
Compared with the prior art, the invention has the beneficial effects that:
1. the navigation main board is arranged at the center of the mounting area of the shell group through four groups of elastic connecting assemblies, a liquid buffer medium with insulating and non-corrosive properties is arranged in the mounting area, buoyancy of the navigation main board in the liquid buffer medium is equal to gravity of the navigation main board, the navigation main board is subjected to flexible buffer without dead angles through the four groups of liquid buffer media distributed on the navigation main board, and the buffering and damping effects are better;
2. the liquid buffer medium after heat dissipation and temperature reduction collides when being discharged right above the navigation main board through a plurality of liquid discharge pipes, and then is diffused to the periphery to be uniformly contacted with the navigation main board, so that the navigation main board is rapidly cooled, and the navigation main board is kept in a preset proper temperature range;
3. the navigation mainboard is wholly soaked in the liquid buffer medium, and the heat dissipation effect is better.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the housing assembly of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing assembly of the present invention;
FIG. 4 is an exploded top view of the housing assembly of the present invention;
FIG. 5 is an exploded bottom view of the housing assembly of the present invention;
FIG. 6 is a schematic structural diagram of a navigation motherboard, a connecting member, and a mounting case according to the present invention;
FIG. 7 is a schematic view of a resilient connecting member according to the present invention;
FIG. 8 is a schematic structural view of the mounting housing and the heat dissipating mechanism of the present invention;
FIG. 9 is a bottom view of the retaining shell and heat dissipation mechanism of the present invention;
FIG. 10 is a bottom view of the retaining shell and heat dissipation mechanism of the present invention;
fig. 11 is a bottom view of the stationary housing of the present invention;
FIG. 12 is a bottom view of the mounting housing, mounting end cap b, and tube set of the present invention;
FIG. 13 is a cross-sectional view of a tube set of the present invention;
FIG. 14 is a schematic view of the structure of the auxiliary member of the present invention;
fig. 15 is an exploded bottom view of the auxiliary member of the present invention.
The reference numbers in the drawings are:
100. a display screen;
200. a housing group; 201. mounting a shell; 202. installing an end cover a; 203. a connecting shell; 204. a connecting cover; 205. a plug port; 206. arranging wires; 207. a stationary case; 2071. a center plate; 2072. a side plate; 2073. a connecting hole b; 208. closing the plate; 209. installing an end cover b; 2091. a central bore; 2092. a connecting hole a;
300. a navigation main board;
400. a connecting member; 401. a connecting frame; 402. a hinged frame a; 403. a hinge frame b; 404. a spring;
500. a heat dissipation mechanism; 501. a motor; 502. a centrifugal pump; 503. an installation body; 504. a flow splitting section a; 505. a flow splitting section b; 506. a liquid discharge pipe;
600. an auxiliary member; 601. a heat sink; 602. a fan; 603. a cover plate.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
A navigation method based on a fluid vibration damping type vehicle-mounted navigation system comprises the following steps:
s1: starting the vehicle, enabling a driver to touch the navigation device, enabling a navigation main board 300 in the navigation device to work, and displaying a navigation route through a display screen 100;
s2: the navigation main board 300 is connected with the side wall of the installation area of the housing set 200 through a connecting member 400, the installation area of the housing set 200 is a closed environment and a liquid buffer medium is arranged in the installation area, the connecting member 400 is used for suspending the navigation main board 300 at the center of the installation area of the housing set 200 in a flexible connection manner, and the gravity of the navigation main board 300 is equal to the buoyancy of the navigation main board 300 in the liquid buffer medium;
when the vehicle starts to run, the jolt generated in the running process is flexibly transmitted to the navigation main board 300 through the connecting member 400, and in the process, the navigation main board 300 is buffered through the liquid buffer medium distributed around the navigation main board 300;
s3: in the step S2, the heat dissipation mechanism 500 installed in the housing assembly 200 starts to operate at the same time, the heat dissipation mechanism 500 guides the liquid buffer medium in the housing assembly 200 to form a circular flow, and the circular flow liquid buffer medium takes away heat generated by the navigation motherboard 300 to dissipate heat and cool the navigation motherboard 300.
As shown in fig. 1-3, a vehicle navigation system adopting fluid circulation vibration reduction includes a buffering device and a navigation device, the navigation device includes a display screen 100 and a navigation main board 300, the buffering device includes a housing assembly 200, wherein, a mounting area in a closed environment is provided in the housing assembly 200, the navigation main board 300 is mounted in the mounting area of the housing assembly 200, a liquid buffer medium is provided in the mounting area of the housing assembly 200, the liquid buffer medium has insulating and non-corrosive properties, which can be realized in the prior art, the navigation main board 300 is flexibly buffered in the vehicle driving process through the liquid buffer medium, compared with the prior art, the navigation main board 300 can be buffered through the liquid buffer medium without dead angle at 360 degrees, and the navigation main board 300 is better protected by buffering.
The gravity of the navigation main board 300 is equal to the buoyancy of the navigation main board 300 in the liquid buffer medium, the navigation main board 300 is connected with the side wall of the installation area of the housing assembly 200 through the connecting member 400, and the connecting member 400 is used for suspending the navigation main board 300 at the central position of the installation area of the housing assembly 200 in a flexible connection manner, so that the buffering effect of the navigation main board 300 subjected to the liquid buffer medium is improved; if the connecting member 400 is not provided and the gravity of the navigation main board 300 is smaller than the buoyancy, the navigation main board 300 floats on the liquid level of the liquid buffer medium and contacts with the top wall of the installation area, the vehicle jolts during the driving process can cause the navigation main board 300 to slightly sink in the direction far away from the liquid level of the liquid buffer medium, after the jolt direction is changed, the navigation main board 300 floats on the top and slightly collides with the top wall of the installation area under the combined action of the jolt and the buoyancy of the navigation main board 300, the navigation main board 300 is damaged due to long-time accumulation, and the service life of the navigation main board 300 is greatly influenced; if the connecting member 400 is not provided and the gravity of the navigation main board 300 is greater than the buoyancy, the navigation main board 300 will sink and contact the bottom wall of the installation area, and the above problem also exists, and if the connecting member 400 is not provided and the gravity of the navigation main board 300 is equal to the buoyancy, the navigation main board 300 will move at a constant speed in the liquid buffer medium when the vehicle bumps, and then collide with the side wall of the installation area, which has the same problem as above.
The navigation main board 300 can generate a large amount of heat during operation, and the heat accumulation can lead to the navigation main board 300 to be heated and burnt, so the housing assembly 200 is further provided with the heat dissipation mechanism 500, and the heat dissipation mechanism 500 is used for driving the liquid buffer medium in the mounting area to form a circulating flow to dissipate heat and cool the navigation main board 300.
As shown in fig. 2-3, 8 and 12, the housing assembly 200 includes a mounting shell 201 having a rectangular housing structure with two open ends, one open end of the mounting shell 201 is fittingly mounted with a mounting end cap a202, the other open end is fittingly mounted with a mounting end cap b209, and an area between the mounting shell 201, the mounting end cap a202 and the mounting end cap b209 is a mounting area of the housing assembly 200.
As shown in fig. 2 to 3, the end face of the mounting end cap a202 is provided with a connection case 203: one end of the connecting shell 203 is open and connected with the end face of the mounting end cap a202, the other end of the connecting shell is open and is provided with the connecting cover 204 in a matching manner, the side wall of the connecting shell 203 is provided with an inserting port 205 for inserting with external equipment, the inserting port 205, the display screen 100 and the navigation main board 300 are connected through the flat cable 206, and the circuit layout between the three and the flat cable 206 does not belong to the core of the scheme, and is not repeated for the prior art.
As shown in fig. 6, the navigation main board 300 is flexibly mounted at the center of the inner cavity of the mounting case 201 through the connecting member 400, and the navigation main board 300 and the mounting case 201 are arranged in a zigzag manner.
The connection member 400 includes elastic connection assemblies which are disposed between the right-angle end of the navigation main board 300 and the right-angle end of the inner wall of the installation case 201 and are correspondingly provided with four groups.
As shown in fig. 7, the elastic connection assembly includes a connection frame 401 and a connection member, the connection frame 401 is hinged to the right-angle end of the navigation main board 300, and the axial direction of a hinge axis a formed at the hinge point of the connection frame 401 and the navigation main board 300 is perpendicular to the large surface of the navigation main board 300.
The connectors are provided in two sets and are arranged symmetrically with respect to the navigation main board 300.
The connecting piece comprises a hinge frame b403 and a hinge frame a402, wherein the hinge frame b403 is arranged at the right-angle end of the inner wall of the mounting shell 201 in a hinged mode, the hinge frame a402 is connected with the connection frame 401 in a hinged mode, a hinge shaft b is formed at the hinge position of the hinge frame a402 and the connection frame 401, a hinge shaft c is formed at the hinge position of the hinge frame b403 and the right-angle end of the inner wall of the mounting shell 201 in a hinged mode, the hinge shaft c is parallel to the axial direction of the hinge shaft a, and the axial direction of the hinge shaft c is perpendicular to the angular bisector of the right-angle end of the inner wall of the mounting shell 201.
A spring 404 is arranged between the hinge frame a402 and the hinge frame b403, one end of the spring 404 is connected with the hinge frame a402, and the other end is connected with the hinge frame b 403.
The direction of the vehicle jolting that produces in the process of traveling is irregular, jolt through four group's elasticity coupling assembling flexible transfer for navigation mainboard 300, this in-process, the main effect of elasticity coupling assembling is to jolt the transfer for navigation mainboard 300, carry out the flexible buffer to navigation mainboard 300 through liquid buffer medium, liquid buffer medium can adapt to the irregular jolt of direction and carry out the flexible buffer at no dead angle to navigation mainboard 300, on the other hand, the spring 404 of elasticity coupling assembling itself also possesses certain buffering nature, further strengthen the buffering of navigation mainboard 300.
As shown in fig. 4-5 and 8-12, the end face of the mounting end cap b209 is provided with a fixing case 207: the fixed shell 207 has one end closed and connected with the end face of the mounting end cap b209 and the other end opened and is fittingly mounted with a sealing plate 208.
A central plate 2071 in a circular plate structure is vertically arranged at the middle position of the cavity bottom of the fixed shell 207.
A side plate group 2072 is vertically arranged at the bottom of the cavity of the fixed shell 207, the side plate group 2072 is composed of two groups of side plates parallel to each other, one end of each side plate is connected with the central plate 2071, the other end of each side plate is connected with the cavity wall of the fixed shell 207, the region between the two groups of side plates is a transfer region, the transfer region is communicated with the inner region of the central plate 2071, and the side plate group 2072 is provided with a plurality of groups in an array manner along the circumferential direction of the central plate 2071.
The openings of the inner area of the central plate 2071 facing away from the bottom of the cavity of the stationary casing 207 and the openings of the transition areas of each set of side plate columns 2072 facing away from the bottom of the cavity of the stationary casing 207 are closed by closure plates 208.
The middle position of the closed end of the fixed shell 207 is provided with a mounting hole communicated with the inner area of the central plate 2071, the middle position of the end face of the mounting end cover b209 is provided with a central hole 2091, and the mounting hole is communicated with the central hole 2091 in a connecting way.
The closed end of the fixed casing 207 is provided with a plurality of connection holes b2073 connected and communicated with the transmission area of the side plate group 2072, preferably, the connection holes b2073 are arranged in an array along the extension direction of the side plate group 2072, the end surface of the mounting end cover b209 is provided with a plurality of connection holes a2092 connected and communicated with the connection holes b2073, and the connection holes a2092 are provided with a plurality of connection holes b2073 corresponding to the connection holes b 2092.
Under the traction of the heat dissipation mechanism 500, the liquid buffer medium in the installation area of the casing set 200 sequentially flows into the heat dissipation mechanism 500 through the connection hole a2092, the connection hole b2073, the transmission area of the side plate set 2072, the internal area of the central plate 2071, the installation hole and the central hole 2091, and then is discharged into the installation area of the casing set 200 again through the heat dissipation mechanism 500 to form the circulating flow of the liquid buffer medium, so that the navigation main board 300 is cooled by heat dissipation.
As shown in fig. 8-13, the heat dissipation mechanism 500 is located in the mounting area of the housing assembly 200, and the heat dissipation mechanism 500 includes a motor 501, a centrifugal pump 502, and a tubing assembly.
The tube set includes a mounting body 503 and a shunt tube, one end of the mounting body 503 is open and connected to the central hole 2091, and the other end is closed, one end of the shunt tube is connected to the mounting body 503, and the other end is connected to the mounting region of the housing set 200.
The centrifugal pump 502 is installed in the installation body 503, the motor 501 is installed on the end surface of the closing plate 208, the output end of the motor 501 sequentially passes through the closing plate 208, the inner area of the central plate 2071, the installation hole and the central hole 2091 and then is in power connection with the centrifugal pump 502, and when the centrifugal pump 502 operates, liquid buffer media are discharged into the installation area of the casing set 200 through the branch pipes.
The motor 501 operates to drive the centrifugal pump 502 to operate, so that the liquid buffer medium in the installation area of the shell assembly 200 sequentially passes through the connecting hole a2092, the connecting hole b2073, the transmission area of the side plate assembly 2072, the inner area of the central plate 2071, the installation hole and the central hole 2091 to flow into the installation body 503 and is discharged into the installation area of the shell assembly 200 through the shunt pipe to form circular flow.
In a preferred embodiment, as shown in Figs. 4 and 13, the shunt is divided into two sections: the navigation main board comprises a diversion section a504 and a diversion section b505, wherein the extension direction of the diversion section a504 is parallel to the large surface of the navigation main board 300, the extension direction of the diversion section b505 is perpendicular to the large surface of the navigation main board 300, one end of the diversion section a504 is connected and communicated with the mounting body 503, the other end of the diversion section a504 is connected and communicated with the diversion section b505, a drain pipe 506 with the extension direction parallel to the large surface of the navigation main board 300 is arranged at the tail end of the diversion section b505, and the tail end of the drain pipe 506 is positioned right above the navigation main board 300; the liquid buffer medium is mainly concentrated in a transfer area of the side plate group 2072 and an internal area of the central plate 2071 in a circulating flow process of the liquid buffer medium, the liquid buffer medium after heat dissipation is discharged to a mounting area of the shell group 200 through the mounting body 503, the shunt pipe and the drain pipe 506, the discharged liquid buffer medium sinks to contact with the navigation mainboard 300 under the action of gravity, namely the liquid buffer medium after heat dissipation and temperature reduction contacts with the navigation mainboard 300 in the first time to dissipate heat and cool the navigation mainboard 300, and the effect is better.
In a preferred embodiment, as shown in fig. 4 and 13, a plurality of shunt pipes are arranged in an array along the circumferential direction of the installation body 503, a plurality of drain pipes 506 are arranged corresponding to the shunt pipes, and the ends of the plurality of drain pipes 506 are close to each other, which means that the liquid buffer media discharged from the plurality of drain pipes 506 collide with each other, so that the liquid buffer media diffuse and sink around due to the collision, and the liquid buffer media uniformly contact with the navigation main board 300 and increase the contact area, thereby further improving the heat dissipation effect.
In a preferred embodiment, as shown in fig. 3-5 and 14-15, an auxiliary member 600 is disposed on an end surface of the sealing plate 208, and the auxiliary member 600 is used for assisting the heat dissipation mechanism 500 to dissipate heat to the outside, so as to improve the heat dissipation efficiency of the heat dissipation mechanism 500.
The auxiliary member 600 includes a plurality of heat dissipation fins 601 uniformly spaced apart from each other and mounted on an end surface of the sealing plate 208, the heat dissipation fins 601 and the sealing plate 208 are made of a material with good thermal conductivity, such as copper, a relief area is provided at a middle position of the plurality of heat dissipation fins 601, and the motor 501 is located in the relief area.
The motor 501 is a double-shaft motor structure, and two output ends of the motor 501 are respectively an output end a and an output end b, wherein the output end a is in power connection with the centrifugal pump 502, and the output end b is connected with the fan 602.
The side of the heat sink 601 facing away from the sealing plate 208 is provided with a cover plate 603.
The heat dissipation mechanism 500 operates to enable the liquid buffer medium to form a circulating flow and cool the navigation motherboard 300, and simultaneously, the motor 501 operates to drive the fan 602 to operate.
In the process that the liquid buffer medium passes through the transmission area of the side plate group 2072 and the internal area of the central plate 2071, heat is transmitted to the radiating fins 601 through the sealing plate 208, the radiating efficiency is increased through the matching of the radiating fins 601 and the fan 602, and when the liquid buffer medium returns to the mounting area of the casing group 200, the temperature is lower, and the radiating effect of the navigation main board 300 is better.
The working principle of the invention is as follows:
jolts generated by a vehicle in the running process are flexibly transmitted to the navigation main board 300 through the four groups of elastic connecting components, in the process, the navigation main board 300 is flexibly buffered through a liquid buffer medium distributed around the navigation main board 300, and the liquid buffer medium can adapt to the jolts with irregular directions to flexibly buffer the navigation main board 300 without dead angles;
when the vehicle runs, the motor 501 starts to operate, the output end a of the motor 501 drives the centrifugal pump 502 to operate, and the output end b drives the fan 602 to operate;
wherein, the centrifugal pump 502 operates to make the liquid buffer medium in the installation area of the casing set 200 sequentially flow into the installation body 503 through the connection hole a2092, the connection hole b2073, the transmission area of the side plate set 2072, the internal area of the central plate 2071, the installation hole and the central hole 2091, in the process, the heat in the liquid buffer medium is transmitted to the radiating fins 601 through the sealing plate 208, and is rapidly radiated to the outside through the matching of the radiating fins 601 and the fan 602, so that the temperature of the liquid buffer medium is rapidly reduced;
liquid buffering medium after the temperature reduction passes through the shunt tubes, the mounting area discharge of fluid-discharge tube 506 to casing group 200, can collide each other through a plurality of fluid-discharge tube 506 exhaust liquid buffering medium, the collision can make liquid buffering medium sink to diffusion all around, with navigation mainboard 300 even contact, the mainboard 300 that navigates dispels the heat the cooling, so repeatedly, liquid buffering medium forms circulation flow, constantly dispel the heat the cooling to navigation mainboard 300, make navigation mainboard 300 keep predetermineeing suitable temperature range.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A navigation method based on a fluid vibration damping type vehicle-mounted navigation system comprises the following steps:
s1: starting the vehicle, enabling a driver to touch a navigation device, enabling a navigation main board in the navigation device to work, and displaying a navigation route through a display screen;
s2: the navigation main board is connected with the side wall of the mounting area of the shell group through a connecting member, the mounting area of the shell group is a closed environment, a liquid buffer medium is arranged in the mounting area, the connecting member is used for enabling the navigation main board to be suspended at the center of the mounting area of the shell group in a flexible connection mode, and the gravity of the navigation main board is equal to the buoyancy of the navigation main board in the liquid buffer medium;
when the vehicle starts to run, jolting generated in the running process is flexibly transmitted to the navigation main board through the connecting component, and in the process, the navigation main board is buffered through a liquid buffer medium distributed around the navigation main board;
s3: in the step S2, the heat dissipation mechanism installed in the housing assembly starts to operate at the same time, the heat dissipation mechanism guides the liquid buffer medium in the housing assembly to form a circular flow, and the heat generated by the navigation main board is taken away by the circular flow liquid buffer medium to dissipate heat and cool the navigation main board.
2. The navigation method based on the fluid vibration damping type vehicle-mounted navigation system is characterized in that the housing group comprises a mounting shell which is of a rectangular housing structure with openings at two ends, one opening end of the mounting shell is provided with a mounting end cover a in a matching mode, the other opening end of the mounting shell is provided with a mounting end cover b in a matching mode, and the region among the mounting shell, the mounting end cover a and the mounting end cover b is a mounting area of the housing group;
the terminal surface of installation end cover a is provided with the connection shell, and the one end opening of connection shell and with the terminal surface connection of installation end cover a, other end opening and the mating installation have the connection lid, the lateral wall of connection shell is provided with the grafting port that is used for with external device grafting, connects through the winding displacement between grafting port, display screen, the navigation mainboard.
3. The navigation method based on the fluid vibration damping type vehicle-mounted navigation system according to claim 2, wherein the connecting member comprises elastic connecting assemblies, the elastic connecting assemblies are arranged between the right-angle end of the navigation main board and the right-angle end of the inner wall of the mounting shell, and four groups of the elastic connecting assemblies are correspondingly arranged;
the elastic connecting assembly comprises a connecting frame and a connecting piece, the connecting frame is hinged to the right-angle end of the navigation main board, and the axial direction of a hinge shaft a formed at the hinge position of the connecting frame and the navigation main board is perpendicular to the large surface of the navigation main board;
the connecting pieces are provided with two groups and are symmetrically arranged relative to the navigation main board;
the connecting piece comprises a hinge frame b and a hinge frame a, the hinge frame b is hinged to the right-angle end of the inner wall of the mounting shell, the hinge frame a is hinged to the connection frame, a hinge shaft b is formed at the hinged position of the hinge frame a and the connection frame, a hinge shaft c is formed at the hinged position of the hinge frame b and the right-angle end of the inner wall of the mounting shell, the hinge shaft b and the hinge shaft c are parallel to each other, and the axial direction of the hinge shaft c is perpendicular to the axial direction of the hinge shaft a and perpendicular to the angular bisector of the right-angle end of the inner wall of the mounting shell;
and a spring is arranged between the hinge frame a and the hinge frame b, one end of the spring is connected with the hinge frame a, and the other end of the spring is connected with the hinge frame b.
4. The navigation method based on the fluid vibration damping type vehicle-mounted navigation system is characterized in that a fixed shell is arranged on the end face of the mounting end cover b, one end of the fixed shell is closed and connected with the end face of the mounting end cover b, the other end of the fixed shell is open and is provided with a sealing plate in a matching mode;
a central plate in a circular plate body structure is vertically arranged in the middle of the cavity bottom of the fixed shell, a side plate group is also vertically arranged at the cavity bottom of the fixed shell and consists of two groups of side plates which are parallel to each other, one end of each side plate is connected with the central plate, the other end of each side plate is connected with the cavity wall of the fixed shell, a transfer area is arranged between the two groups of side plates and communicated with the inner area of the central plate, and the side plate groups are arrayed in a plurality of groups along the circumferential direction of the central plate;
the opening of the inner area of the central plate, which is far away from the cavity bottom of the fixed shell, and the opening of the transfer area of each group of side plate columns, which is far away from the cavity bottom of the fixed shell are sealed by sealing plates;
a mounting hole communicated with the inner area of the central plate is formed in the middle of the closed end of the fixed shell, a central hole is formed in the middle of the end face of the mounting end cover b, and the mounting hole is communicated with the central hole in a connecting manner;
the closed end of the fixed shell is provided with a connecting hole b communicated with the transmission area of the side plate group, and the end face of the mounting end cover b is provided with a connecting hole a communicated with the connecting hole b.
5. The navigation method based on the fluid vibration damping type vehicle-mounted navigation system is characterized in that the heat dissipation mechanism is located in a mounting area of the shell assembly, and comprises a motor, a centrifugal pump and a pipeline assembly;
the pipeline group comprises a mounting body and a flow dividing pipe, one end of the mounting body is opened and is connected and communicated with the central hole, the other end of the mounting body is closed, one end of the flow dividing pipe is connected and communicated with the mounting body, and the other end of the flow dividing pipe is connected and communicated with the mounting area of the shell group;
the centrifugal pump is arranged in the mounting body, the motor is arranged on the end face of the sealing plate, the output end of the motor sequentially penetrates through the sealing plate, the inner area of the central plate, the mounting hole and the central hole and then is in power connection with the centrifugal pump, and when the centrifugal pump runs, liquid buffer media are discharged into the mounting area of the shell assembly through the branch pipelines.
6. The navigation method based on the fluid vibration damping type vehicle-mounted navigation system according to claim 5, wherein the flow dividing pipe is divided into a flow dividing section a and a flow dividing section b, the extension direction of the flow dividing section a is parallel to the large surface of the navigation main board, the extension direction of the flow dividing section b is perpendicular to the large surface of the navigation main board, one end of the flow dividing section a is connected and communicated with the installation body, the other end of the flow dividing section a is connected and communicated with the flow dividing section b, a drain pipe with the extension direction parallel to the large surface of the navigation main board is arranged at the tail end of the flow dividing section b, and the tail end of the drain pipe is located right above the navigation main board.
7. A navigation method based on a fluid vibration damping type vehicle-mounted navigation system according to claim 6, wherein the shunt pipes are arranged in a plurality along the circumferential direction of the installation body in an array manner, the drain pipes are arranged in a plurality corresponding to the shunt pipes, and the tail ends of the drain pipes are close to each other.
8. The navigation method based on the fluid vibration damping type vehicle-mounted navigation system according to claim 7, wherein an auxiliary member is arranged on an end face of the sealing plate, and the auxiliary member is used for assisting the heat dissipation mechanism in dissipating heat to the outside.
9. The navigation method based on the fluid vibration damping type vehicle-mounted navigation system according to claim 8, wherein the auxiliary member comprises a plurality of heat radiating fins which are uniformly arranged on the end face of the sealing plate at intervals, the heat radiating fins and the sealing plate are made of heat conducting materials, an avoidance area is arranged in the middle of the plurality of heat radiating fins, and the motor is located in the avoidance area;
the motor is a double-shaft motor structure, two output ends of the motor are respectively an output end a and an output end b, the output end a is in power connection with the centrifugal pump, and the output end b is connected with the fan.
10. A navigation method based on a fluid vibration damping type vehicle mounted navigation system according to claim 9, wherein the step S3:
s31: when the vehicle runs, the motor starts to run, the output end a of the motor drives the centrifugal pump to run, and the output end b drives the fan to run;
the centrifugal pump operates to enable liquid buffer media in the mounting area of the shell group to sequentially flow into the mounting body through the connecting hole a, the connecting hole b, the transfer area of the side plate group, the inner area of the central plate, the mounting hole and the central hole, in the process, the liquid buffer media take away heat on the navigation main board, the heat in the liquid buffer media is transferred to the radiating fins through the sealing plates, the heat is dissipated to the outside through the matching of the radiating fins and the fan, and the liquid buffer media are cooled;
s32: the cooled liquid buffer media are discharged to the mounting area of the shell group through the flow dividing pipes and the liquid discharge pipes, and in the process, the liquid buffer media discharged through the liquid discharge pipes collide with each other, so that the liquid buffer media diffuse and sink around to be contacted with the navigation mainboard, and the navigation mainboard is cooled through heat dissipation;
s33: and repeating the steps S31-S32, and continuously cooling the navigation main board.
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| CN113916238B (en) | 2022-04-15 |
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