CN111489772B - Heat dissipation device of vehicle-mounted hard disk video recorder based on principle of expansion with heat and contraction with cold - Google Patents
Heat dissipation device of vehicle-mounted hard disk video recorder based on principle of expansion with heat and contraction with cold Download PDFInfo
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- CN111489772B CN111489772B CN202010306749.4A CN202010306749A CN111489772B CN 111489772 B CN111489772 B CN 111489772B CN 202010306749 A CN202010306749 A CN 202010306749A CN 111489772 B CN111489772 B CN 111489772B
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1406—Reducing the influence of the temperature
- G11B33/1413—Reducing the influence of the temperature by fluid cooling
- G11B33/142—Reducing the influence of the temperature by fluid cooling by air cooling
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C7/00—Details or accessories common to the registering or indicating apparatus of groups G07C3/00 and G07C5/00
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- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
The invention relates to the technical field of hard disks and discloses a heat dissipation device of a vehicle-mounted hard disk video recorder based on the principle of expansion with heat and contraction with cold, which comprises a shell and a motor, wherein the outer part of the shell is movably connected with a display screen, the outer part of the display screen is movably connected with a hard disk, the inner part of the shell is movably connected with a heat conduction plate, and the inner part of the shell is fixedly connected with a shielding plate; through the shell, the display screen, the hard disk, the heat-conducting plate, the sunshade, the gasbag, the clamp plate, the positive plate, under the interact between the negative plate, can make when the temperature in bus carriage increases sharply, the inside gas of gasbag can take place the inflation, just so can make dielectric plate take place the motion, thereby trigger capacitanc sensing structure, and then just can reach the operation that triggers follow-up cooling structure under the effect of gaseous expend with heat and contract with cold principle, and the inflation of gasbag also can be so that the baffle motion, just so can reach dirt-proof effect when not needing the heat dissipation.
Description
Technical Field
The invention relates to the technical field of hard disks, in particular to a heat dissipation device of a vehicle-mounted hard disk video recorder based on the principle of expansion with heat and contraction with cold.
Background
The computer hard disk is the most important storage device of the computer. The hard disk consists of one or more aluminum or glass disks. The discs are coated with ferromagnetic material.
Most hard disks are fixed hard disks that are permanently sealed and fixed in a hard disk drive. Early hard disk storage media were replaceable, but today typical hard disks are fixed storage media, enclosed in a hard disk (except for a filter hole to equalize air pressure). With the development, the mobile hard disk is also appeared, and is more and more popular, and the variety is more and more; most of the hard disks installed on the microcomputer are called 'winchester hard disks' or 'winchester disks' for short because the winchester technology is adopted.
The hard disk is because its storage function that has the preferred, the video cassette recorder of hard disk formula is adopted to the on-vehicle video cassette recorder chance at some buses, but the hard disk of such on-vehicle video cassette recorder of bus generally can install inside the operation panel of bus front side, when the bus long-term operation can make inside more heat and the external temperature of producing of operation panel when higher, the inside spare part of temperature that sharply increases can make the video cassette recorder damage, and make the video cassette recorder normal operating that does not have the way easily, will cause the video cassette recorder to need maintenance and change many times like this, also great reduction of life, the unable normal operating that will influence the bus of video cassette recorder also.
Therefore, in order to solve the problems, a heat dissipation device of the vehicle-mounted hard disk video recorder based on the principle of expansion with heat and contraction with cold is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a heat dissipation device of a vehicle-mounted hard disk video recorder based on a principle of expansion with heat and contraction with cold, which has the advantages of high heat dissipation efficiency and prolonged service life of the machine, and solves the problems that when the bus runs for a long time, more heat can be generated inside an operation console, and the outside temperature is higher, parts inside the video recorder can be damaged due to the sharply increased temperature, and the video recorder cannot run normally easily, so that the video recorder needs to be maintained and replaced for many times, the service life is greatly shortened, and the normal operation of the bus is influenced due to the abnormal running of the video recorder.
(II) technical scheme
In order to achieve the purposes of high heat dissipation efficiency and prolonging the service life of a machine, the invention provides the following technical scheme: the utility model provides a heat abstractor based on expend with heat and contract with cold principle on-vehicle digital video recorder, which comprises an outer shell and a motor, the outside swing joint of shell has the display screen, the outside swing joint of display screen has the hard disk, the inside swing joint of shell has the heat-conducting plate, the inside fixedly connected with sunshade of shell, the inside swing joint of shell has the gasbag, the outside swing joint of gasbag has the clamp plate, the inside swing joint of shell has the positive plate, the inside swing joint of shell has the negative plate, the outside swing joint of motor has the pivot, the outside fixedly connected with gear one of pivot, the outside meshing of gear one has gear two, the outside swing joint of gear two has the ring gear, the inside swing joint of ring gear has the aerofoil, the outside fixedly connected with bevel gear of aerofoil.
Preferably, motor swing joint is in the outside of shell, and the right side swing joint of heat-conducting plate adopts the metal copper material in the outside of display screen, and the bleeder vent has all been seted up to the top of shell, bottom and left side surface.
Preferably, the outside of sunshade and the outside swing joint of heat-conducting plate, the outside and the heat-conducting plate swing joint of gasbag, the outside swing joint of the sunshade that the top bleeder vent corresponds has the baffle, the specification and the bleeder vent phase-match of baffle, the right-hand member and the gasbag swing joint of baffle.
Preferably, the outer portion of the pressing plate is fixedly connected with a connecting rod, the outer portion of the connecting rod is movably connected with a dielectric plate, the pressing plate and the connecting rod are made of insulating materials, the outer portion of the pressing plate is movably connected with an elastic shell, and one side, far away from the pressing plate, of the elastic shell is movably connected with the inner portion of the shell.
Preferably, the specification of the positive plate is matched with that of the negative plate, the spring is movably connected to the outer part of the dielectric plate, the outer part of the spring is movably connected to the inner part of the shell, and the specification of the dielectric plate is matched with that of the positive plate and that of the negative plate.
Preferably, the inside fixedly connected with quarter butt of gear two, the left side swing joint of quarter butt is in the inside of shell, and the outside of pivot is fixedly connected with bevel gear also, and the outside of this bevel gear meshes with the outside bevel gear of aerofoil, and the aerofoil has two, and the right side swing joint of ring gear is in the outside of hard disk, and the outside of ring gear is provided with the flabellum.
Preferably, the motor is electrically connected to the dielectric plate and the driving power source.
Preferably, carbon dioxide gas is provided inside the airbag.
(III) advantageous effects
Compared with the prior art, the invention provides the heat dissipation device of the vehicle-mounted hard disk video recorder based on the principle of expansion with heat and contraction with cold, which has the following beneficial effects:
1. this heat abstractor based on expend with heat and contract with cold principle on-vehicle hard disk video recorder, which comprises a housing, a display screen, the hard disk, the heat-conducting plate, the sunshade, the gasbag, the clamp plate, the positive plate, under the interact between the negative plate, can make when the temperature in bus carriage sharply increases, the inside gas of gasbag can take place the inflation, just so can make dielectric plate take place the motion, thereby trigger capacitanc sensing structure, and then just can reach the operation that triggers follow-up cooling structure under the effect of gas expend with heat and contract with cold principle, and the inflation of gasbag also can make the baffle move, just so can reach dirt-proof effect when not needing the radiating, more accord with the use under the actual conditions like this.
2. This heat abstractor based on expend with heat and contract with cold principle on-vehicle hard disk video recorder, through the motor, the apparatus further comprises a rotating shaft, gear one, gear two, the ring gear, the aerofoil, under the interact between the bevel gear, can make the aerofoil also can take place vertical rotation under the ring gear drives under the motion state of rotation, the effect that reaches the cooling that like this can very big limit, and also can reach the effect of cooling under the effect of the outside flabellum of ring gear, radiating efficiency is higher like this, also can increase machine life.
Drawings
FIG. 1 is a schematic partial cross-sectional view of the inventive structure;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of the connection relationship among the rotating shaft, the first gear, the second gear, the gear ring and the bevel gear.
In the figure: 1. a housing; 2. a motor; 3. a display screen; 4. a hard disk; 5. a heat conducting plate; 6. a shutter; 7. an air bag; 8. pressing a plate; 9. a positive plate; 10. a negative plate; 11. a rotating shaft; 12. a first gear; 13. a second gear; 14. a ring gear; 15. a wind plate; 16. a bevel gear.
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, a heat dissipation device of a vehicle-mounted hard disk video recorder based on the principle of expansion with heat and contraction with cold comprises a shell 1 and a motor 2, wherein the outer part of the shell 1 is movably connected with a display screen 3, the outer part of the display screen 3 is movably connected with a hard disk 4, the inner part of the shell 1 is movably connected with a heat conduction plate 5, the motor 2 is movably connected with the outer part of the shell 1, the right side of the heat conduction plate 5 is movably connected with the outer part of the display screen 3, the heat conduction plate 5 is made of a metal copper material, and the top, the bottom and the left side surfaces of the shell 1 are provided with air holes; the inside fixedly connected with sunshade 6 of shell 1, the inside swing joint of shell 1 has gasbag 7, the outside of sunshade 6 and the outside swing joint of heat-conducting plate 5, the outside and the 5 swing joint of heat-conducting plate of gasbag 7, the outside swing joint of sunshade 6 that the top bleeder vent corresponds has the baffle, the specification and the bleeder vent phase-match of baffle, the right-hand member and 7 swing joint of gasbag of baffle, the inside of gasbag 7 is provided with carbon dioxide gas.
The outer part of the air bag 7 is movably connected with a pressing plate 8, the outer part of the pressing plate 8 is fixedly connected with a connecting rod, the outer part of the connecting rod is movably connected with a dielectric plate, the pressing plate 8 and the connecting rod are both made of insulating materials, the outer part of the pressing plate 8 is movably connected with an elastic shell, and one side of the elastic shell, which is far away from the pressing plate 8, is movably connected with the inner part of the shell 1; the interior of the shell 1 is movably connected with a positive plate 9, the interior of the shell 1 is movably connected with a negative plate 10, the specification of the positive plate 9 is matched with that of the negative plate 10, the exterior of the dielectric plate is movably connected with a spring, the exterior of the spring is movably connected with the interior of the shell 1, and the specification of the dielectric plate is matched with that of the positive plate 9 and the negative plate 10; through shell 1, display screen 3, hard disk 4, heat-conducting plate 5, sunshade 6, gasbag 7, clamp plate 8, positive plate 9, under the interact between the negative plate 10, can make when the temperature of bus carriage sharply increases, the inside gas of gasbag 7 can take place the inflation, just so can make the dielectric plate take place the motion, thereby trigger capacitanc sensing structure, and then just can reach the operation of triggering follow-up cooling structure under the effect of gaseous expend with heat and contract with cold principle, and the inflation of gasbag 7 also can make the baffle motion, just so can reach dirt-proof effect when not needing the radiating, more accord with the use under the actual conditions like this.
The external part of the motor 2 is movably connected with a rotating shaft 11, the external part of the rotating shaft 11 is fixedly connected with a first gear 12, the external part of the first gear 12 is meshed with a second gear 13, the external part of the second gear 13 is movably connected with a gear ring 14, the internal part of the gear ring 14 is movably connected with an air plate 15, and the external part of the air plate 15 is fixedly connected with a bevel gear 16; a short rod is fixedly connected inside the second gear 13, the left side of the short rod is movably connected inside the shell 1, a bevel gear 16 is also fixedly connected outside the rotating shaft 11, the outer part of the bevel gear 16 is meshed with the bevel gear 16 on the outer part of the wind plate 15, the wind plate 15 is provided with two wind plates, the right side of the gear ring 14 is movably connected with the outer part of the hard disk 4, the outer part of the gear ring 14 is provided with fan blades, the motor 2 is electrically connected with the dielectric plate and the driving power supply, under the interaction of the motor 2, the rotating shaft 11, the first gear 12, the second gear 13, the gear ring 14, the wind plate 15 and the bevel gear 16, the air plate 15 can rotate vertically under the driving of the gear ring 14 in the autorotation motion state, so that the effect of cooling can be achieved to a great extent, and the fan blades outside the gear ring 14 can also achieve the effect of cooling, so that the heat dissipation efficiency is higher, and the service life of the machine can also be prolonged.
The working process and the principle are that when the device starts to be started, the display screen 3 is movably connected to the outer part of the shell 1, the hard disk 4 is movably connected to the outer part of the display screen 3, the heat conducting plate 5 is movably connected to the inner part of the shell 1, the shielding plate 6 is fixedly connected to the inner part of the shell 1, the air bag 7 is movably connected to the inner part of the shell 1, the pressing plate 8 is movably connected to the outer part of the air bag 7, the positive plate 9 is movably connected to the inner part of the shell 1, the negative plate 10 is movably connected to the inner part of the shell 1, the motor 2 is movably connected to the outer part of the shell 1, the right side of the heat conducting plate 5 is movably connected to the outer part of the display screen 3, the heat conducting plate 5 is made of metal copper materials, air holes are formed in the top surface, the bottom surface and the left side surface of the shell 1, the outer part of the shielding plate 6 is movably connected to the outer part of the heat conducting plate 5, a baffle plate 6 corresponding to the air holes in the top is movably connected to the baffle plate, the specification of the baffle is matched with the air holes, the right end of the baffle is movably connected with the air bag 7, the outer part of the pressing plate 8 is fixedly connected with a connecting rod, the outer part of the connecting rod is movably connected with a dielectric plate, the pressing plate 8 and the connecting rod are made of insulating materials, the outer part of the pressing plate 8 is movably connected with an elastic shell, one side of the elastic shell, which is far away from the pressing plate 8, is movably connected with the inner part of the shell 1, the specification of the positive plate 9 is matched with the negative plate 10, the outer part of the dielectric plate is movably connected with a spring, the outer part of the spring is movably connected with the inner part of the shell 1, and the specification of the dielectric plate is matched with the positive plate 9 and the negative plate 10; when the inside high temperature of bus this moment, when the inside temperature of shell 1 is higher, higher temperature can be so can be absorbed by heat-conducting plate 5, heat-conducting plate 5' S temperature transmits gasbag 7 for its outside, the inside gas of gasbag 7 is heated the inflation, gasbag 7 inflation oppresses clamp plate 8 and makes its motion under the effect of sunshade 6, clamp plate 8 motion drives the dielectric plate motion under the effect of connecting rod, the dielectric plate motion makes the spring shrink, and along with dielectric plate and positive plate 9, the positive area S of negative plate 10 increases, electric capacity C increases, the expression is as follows:
C＝εS/4πkd
at which time the current changes.
Because the outer part of the motor 2 is movably connected with a rotating shaft 11, the outer part of the rotating shaft 11 is fixedly connected with a first gear 12, the outer part of the first gear 12 is meshed with a second gear 13, the outer part of the second gear 13 is movably connected with a gear ring 14, the inner part of the gear ring 14 is movably connected with a wind plate 15, the outer part of the wind plate 15 is fixedly connected with a bevel gear 16, the inner part of the second gear 13 is fixedly connected with a short rod, the left side of the short rod is movably connected with the inner part of the shell 1, the outer part of the rotating shaft 11 is also fixedly connected with the bevel gear 16, the outer part of the bevel gear 16 is meshed with the bevel gear 16 outside the wind plate 15, the wind plates 15 are two, the right side of the gear ring 14 is movably connected with the outer part of the hard disk 4, the outer part of the gear ring 14 is provided with fan blades, and the motor 2 is electrically connected with a dielectric plate and a driving power supply; at the moment, the current change of the dielectric plate enables the driving power supply to drive the motor 2 to start, the motor 2 starts to drive the rotating shaft 11 to rotate, the rotating shaft 11 rotates to drive the first gear 12 to rotate, the first gear 12 rotates to drive the second gear 13 to rotate under the action of the short rod, the second gear 13 rotates to drive the gear ring 14 to rotate, the gear ring 14 rotates to drive the air plate 15 to rotate, the rotating shaft 11 rotates to drive the bevel gear 16 outside the rotating shaft to rotate, the bevel gear 16 rotates to drive the air plate 15 to rotate under the action of the bevel gear 16 meshed with the bevel gear, and the rotating of the gear ring 14 can drive the fan blades outside the rotating shaft to rotate so as to reduce the temperature at an accelerated speed.
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 (2)
1. The utility model provides a heat abstractor based on expend with heat and contract with cold principle on-vehicle digital video recorder, includes shell (1) and motor (2), its characterized in that: the external movable connection of the shell (1) is provided with a display screen (3), the external movable connection of the display screen (3) is provided with a hard disk (4), the internal movable connection of the shell (1) is provided with a heat conduction plate (5), the internal fixed connection of the shell (1) is provided with a shielding plate (6), the internal movable connection of the shell (1) is provided with an air bag (7), the external movable connection of the air bag (7) is provided with a pressing plate (8), the internal movable connection of the shell (1) is provided with a positive plate (9), the internal movable connection of the shell (1) is provided with a negative plate (10), the external movable connection of the motor (2) is provided with a rotating shaft (11), the external fixed connection of the rotating shaft (11) is provided with a first gear (12), the external meshing of the first gear (12) is provided with a second gear (13), the external movable connection of the second gear (13) is provided with a gear ring (14), the internal movable connection of the gear ring (14) is provided with a wind plate (15), and the external fixed connection of the wind plate (15) is provided with a bevel gear (16);
the outer part of the shielding plate (6) is movably connected with the outer part of the heat conducting plate (5), the outer part of the air bag (7) is movably connected with the heat conducting plate (5), the outer part of the shielding plate (6) corresponding to the air holes at the top is movably connected with a baffle plate, the specification of the baffle plate is matched with the air holes, and the right end of the baffle plate is movably connected with the air bag (7);
the outside of the pressing plate (8) is fixedly connected with a connecting rod, the outside of the connecting rod is movably connected with a dielectric plate, the pressing plate (8) and the connecting rod are both made of insulating materials, the outside of the pressing plate (8) is movably connected with an elastic shell, and one side of the elastic shell, which is far away from the pressing plate (8), is movably connected with the inside of the shell (1);
the specification of the positive plate (9) is matched with that of the negative plate (10), the exterior of the dielectric plate is movably connected with a spring, the exterior of the spring is movably connected inside the shell (1), and the specification of the dielectric plate is matched with that of the positive plate (9) and the negative plate (10);
a short rod is fixedly connected inside the second gear (13), the left side of the short rod is movably connected inside the shell (1), the outer part of the rotating shaft (11) is also fixedly connected with bevel gears (16), the outer parts of the bevel gears (16) are meshed with the bevel gears (16) outside the wind plates (15), the wind plates (15) are provided with two wind plates, the right side of the gear ring (14) is movably connected outside the hard disk (4), and fan blades are arranged outside the gear ring (14);
when the temperature inside the bus is too high, when the temperature inside the shell (1) is high, the high temperature can be absorbed by the heat conduction plate (5), the temperature of the heat conduction plate (5) is transferred to the air bag (7) outside the heat conduction plate, the gas inside the air bag (7) is heated to expand, the air bag (7) expands to press the pressing plate (8) and enable the pressing plate to move under the action of the shielding plate (6), the pressing plate (8) moves to drive the dielectric plate to move under the action of the connecting rod, the dielectric plate moves to enable the spring to contract, and the capacitance C is increased along with the increase of the facing area S of the dielectric plate with the positive plate (9) and the negative plate (10);
because the outer part of the motor (2) is movably connected with a rotating shaft (11), the outer part of the rotating shaft (11) is fixedly connected with a first gear (12), the outer part of the first gear (12) is meshed with a second gear (13), the outer part of the second gear (13) is movably connected with a gear ring (14), the inner part of the gear ring (14) is movably connected with an air plate (15), the outer part of the air plate (15) is fixedly connected with a bevel gear (16), the inner part of the second gear (13) is fixedly connected with a short rod, the left side of the short rod is movably connected with the inner part of the shell (1), the outer part of the rotating shaft (11) is also fixedly connected with a bevel gear (16), the outer part of the bevel gear (16) is meshed with the bevel gear (16) outside the air plate (15), the number of the air plates (15) is two, the right side of the gear ring (14) is movably connected with the outer part of the hard disk (4), fan blades are arranged outside the gear ring (14), and the motor (2) and the dielectric plate, The driving power supply is electrically connected; at the moment, the current change of the dielectric plate enables the driving power supply to drive the motor (2) to start, the motor (2) starts to drive the rotating shaft (11) to rotate, the rotating shaft (11) rotates to drive the gear I (12) to rotate, the gear I (12) rotates to drive the gear II (13) to rotate under the action of the short rod, the gear II (13) rotates to drive the gear ring (14) to rotate, the gear ring (14) rotates to drive the air plate (15) to rotate, the rotating shaft (11) rotates to drive the bevel gear (16) outside the gear ring to rotate, the bevel gear (16) rotates to drive the air plate (15) to rotate under the action of the bevel gear (16) meshed with the gear ring, and the rotation of the gear ring (14) can drive fan blades outside the gear ring to rotate so as to accelerate temperature reduction.
2. The heat dissipation device of the vehicle-mounted hard disk video recorder based on the principle of expansion with heat and contraction with cold as claimed in claim 1, characterized in that: motor (2) swing joint is in the outside of shell (1), and the right side swing joint of heat-conducting plate (5) is in the outside of display screen (3), and heat-conducting plate (5) adopt the metal copper product matter, and the bleeder vent has all been seted up to the top of shell (1), bottom and left side surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010306749.4A CN111489772B (en) | 2020-04-17 | 2020-04-17 | Heat dissipation device of vehicle-mounted hard disk video recorder based on principle of expansion with heat and contraction with cold |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010306749.4A CN111489772B (en) | 2020-04-17 | 2020-04-17 | Heat dissipation device of vehicle-mounted hard disk video recorder based on principle of expansion with heat and contraction with cold |
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| CN113452887B (en) * | 2021-07-01 | 2022-05-24 | 深圳尼恩光电技术有限公司 | Binocular tripod head of visible light camera and infrared thermal imaging camera |
| CN114534862A (en) * | 2022-04-26 | 2022-05-27 | 徐州科星科技发展有限公司 | Dual-mode feed crushing device based on temperature clutch |
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