CN111788612A

CN111788612A - Automobile data recorder

Info

Publication number: CN111788612A
Application number: CN201880088813.7A
Authority: CN
Inventors: 时向闯
Original assignee: Shenzhen Caiyuan Photoelectric Co ltd
Current assignee: Shenzhen Caiyuan Photoelectric Co ltd
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2020-10-16
Anticipated expiration: 2038-12-06
Also published as: WO2020113510A1; CN111788612B

Abstract

A tachograph, comprising: the mobile phone comprises a host (10), a display screen (20) clamped with the front end of the host (10), a battery (30) arranged in the host (10), a PCB (40) electrically connected with the battery (30) and a GSM antenna (50) electrically connected with the PCB (40); PCB board dew copper portion (41) and GSM antenna dew copper portion (51) all are provided with first electrically conductive cloth (101), seat end (24) of display screen (20) are provided with second electrically conductive cloth (102), the surface of PCB board (40) is provided with graphite fin (80), vehicle event data recorder adopts the inside heat dissipation technology of equipment, PCB board electrostatic interference handles, GSM antenna jam-proof handles, LCD screen and CTP screen special technology and PCB board and display screen prevent electrostatic interference and handle, avoid vehicle event data recorder's internal plant to receive electrostatic influence and damage, the operational environment of vehicle event data recorder has been optimized, the life of vehicle event data recorder has been prolonged.

Description

Automobile data recorder

Technical Field

The invention belongs to the technical field of vehicle-mounted real-time monitoring, and particularly relates to a vehicle event data recorder.

Background

The driving recorder is an instrument for recording the image and sound information during the driving of the vehicle. After the automobile data recorder is installed, the video images and the sounds of the whole automobile running process can be recorded, evidence can be provided for traffic accidents, video recording is carried out while driving, time, speed and positions are recorded in the video, and the video recording device is a black box, can be used as DV shooting life pleasure at home or used as home monitoring. Can also do the parking control at ordinary times, install vehicle event data recorder, also be in order to prevent that those of society are inevitable to hit the porcelain action now, along with the car is increasingly popularized among the people, vehicle event data recorder also more and more receives people's favor, and vehicle event data recorder on the existing market is of a great variety, and the function is different, but the inside radiating effect of prior art vehicle event data recorder is relatively poor, and the setting of shielding static negative effect is relatively lacked, and this kind of condition needs to be changed.

Technical problem

The automobile data recorder in the prior art is poor in internal heat dissipation effect and relatively short in electrostatic shielding negative effect.

Technical solution

A tachograph, comprising: the mobile phone comprises a host, a display screen clamped with the front end of the host, a battery arranged in the host, a PCB electrically connected with the battery, a GSM antenna electrically connected with the PCB, a camera arranged in the host and a loudspeaker electrically connected with the PCB; the PCB board dew copper portion with GSM antenna dew copper portion all is provided with first electrically conductive cloth, the outer surface subsides of first electrically conductive cloth are equipped with electrically conductive bubble cotton, electrically conductive bubble cotton connects GND, the seat end of display screen is provided with the electrically conductive cloth of second, the electrically conductive cloth of second with the metal frame of display screen is connected and is connect GND, electrically conductive bubble cotton with the electrically conductive cloth laminating of second is connected, the battery with the surface of PCB board all is provided with the graphite fin.

The invention is further configured to: the manufacturing material of the graphite radiating fin is graphite carbon material, and the outer surface of the graphite radiating fin is coated with heat conduction silica gel for radiating the PCB.

The invention is further configured to: the display screen comprises an LCD screen and a CTP screen, and the LCD screen is attached to the CTP screen.

The invention is further configured to: the camera and the display screen are electrically connected with the PCB.

The invention is further configured to: the host computer back is provided with couple and a plurality of louvre, the louvre with be provided with the dust screen between the PCB board.

The invention is further configured to: the PCB is fixedly connected with the host through a screw, and the battery is fixedly connected with the host through a bonding mode.

The invention is further configured to: the appearance shape of battery is the cuboid shape, graphite fin with the surface laminating of battery.

The invention is further configured to: and the side of the host is provided with a USB interface for connecting with a computer and updating the system of the automobile data recorder.

The invention is further configured to: the host computer is internally provided with a camera for observing road conditions and a loudspeaker for voice broadcasting.

Advantageous effects

Different from the situation of the prior art, the first conductive cloth is arranged on the copper exposed part of the PCB and the copper exposed part of the GSM antenna, the conductive foam is attached to the outer surface of the first conductive cloth and connected with the GND, so that the electrostatic interference treatment of the PCB and the anti-interference treatment of the GSM antenna are completed, the second conductive cloth is arranged at the seat end of the display screen and attached to the second conductive cloth, the second conductive cloth is connected with the metal frame and connected with the GND in parallel, so that the anti-electrostatic interference treatment of the PCB and the display screen is completed, and the graphite radiating fins are arranged on the outer surfaces of the battery and the PCB, so that the internal radiating treatment of the automobile data recorder is completed, and the problems that the radiating effect of the automobile data recorder in the prior art is poor and the service life of an internal electronic device is shortened due to the electrostatic effect are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic overall structure diagram of a vehicle event data recorder according to an embodiment of the present invention;

fig. 2 is a front view of a vehicle event data recorder according to an embodiment of the present invention;

fig. 3 is a rear view of a vehicle event data recorder according to an embodiment of the present invention;

fig. 4 is a schematic internal structural diagram of a host of a driving recorder according to an embodiment of the present invention;

fig. 5 is a schematic internal structure diagram of a display screen of an automobile data recorder according to an embodiment of the present invention.

Reference numerals: 10. a host; 11. heat dissipation holes; 12. hooking; 13. a USB interface; 14. a dust screen; 20. a display screen; 21. a CTP screen; 22. an LCD screen; 23. a metal frame; 24. a base end; 30. a battery; 40. a PCB board; 41. a copper exposing part of the PCB; 43. a screw; 50. a GSM antenna; 51. a GSM antenna copper exposing part; 60. a camera; 70. a horn; 80. a graphite heat sink; 81. heat conducting silica gel; 101. a first conductive cloth; 102. a second conductive cloth; 103. and (4) conductive foam.

Modes for carrying out the invention

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected.

A drive recorder, as shown in fig. 1 to 5, comprising: the mobile phone comprises a host 10, a display screen 20 clamped with the front end of the host 10, a battery 30 arranged inside the host 10, a PCB 40 electrically connected with the battery 30, a GSM antenna 50 electrically connected with the PCB 40, a camera 60 arranged inside the host 10 and a loudspeaker 70 electrically connected with the PCB 40; the PCB board copper exposing part 41 and the GSM antenna copper exposing part 51 are both provided with first conductive cloth 101, conductive foam 103 is attached to the outer surface of the first conductive cloth 101, the conductive foam 103 is connected with GND, the seat end 24 of the display screen 20 is provided with second conductive cloth 102, the second conductive cloth 102 is connected with the metal frame 23 of the display screen 20 and connected with GND, the conductive foam 103 is connected with the second conductive cloth 102 in an attaching manner, and the battery 30 is provided with graphite cooling fins 80 on the outer surface of the PCB board 40.

In the specific implementation process, the automobile data recorder adopts the internal heat dissipation process of the equipment for processing, the graphite heat dissipation fins 80 are arranged on the outer surfaces of the battery 30 and the PCB 40, the graphite heat dissipation fins 80 are made of graphite carbon materials, the battery 30 is in a cuboid shape, the graphite heat dissipation fins 80 are attached to the outer surface of the battery 30, the graphite heat dissipation fins 80 are heat conduction materials with comprehensive properties, have good reworkability, can be cut and stamped into any shape and can be bent for multiple times, are suitable for fast heat conduction for converting a point heat source into a surface heat source, can perform point/surface conversion on heat generated by the PCB 40 and the battery 30 during working, have the superstrong heat conduction effect, and are favorable for maintaining the charge-discharge cycle period of the battery 30 and prolonging the service life of the PCB 40 and electronic components thereof, graphite heat sink 80's surface still is scribbled and is used for the radiating heat conduction silica gel 81 of PCB board 40, heat conduction silica gel 81 is high-end heat-conducting compound and can not solidify, and risk such as circuit short circuit can be avoided to its characteristic that can not electrically conduct, and its high adhesion property and superstrong heat conduction effect can be effectual will PCB board 40 is arranged to the external world at produced heat of during operation, thereby prevents PCB board 40's electronic components high temperature is ageing.

Wherein, host computer 10 back is provided with couple 12 and louvre 11, the quantity of louvre 11 is a plurality of, louvre 11 with be provided with dust screen 14 between the main 40 boards, couple 12 symmetric distribution is in the Y axle central line both sides of host computer 10 can guarantee through this setting that the vehicle event data recorder is steady to be affiliated to inside the car, guarantees vehicle event data recorder normal function, can effectually filter through setting up dust screen 14 and get into external impurity the host computer 10 is inside clean and tidy, maintains vehicle event data recorder inner space, louvre 11 can effectually with graphite fin 80 with the heat that heat conduction silica gel 81 passed to spreads to the air in, further reduces vehicle event data recorder inner space temperature, increases the radiating speed of vehicle event data recorder internal equipment maintains vehicle event data recorder healthy operation.

In the specific implementation process, the vehicle event data recorder adopts PCB board 40 electrostatic interference to handle PCB board dew copper portion 41 pastes and is equipped with first electrically conductive cloth 101 and electrically conductive bubble cotton 103, electrically conductive bubble cotton 103 meets GND, through this setting, makes the static that the vehicle event data recorder during operation produced passes through GND and eliminates, avoids PCB board 40 receives electrostatic interference, prolongs its life.

In a specific implementation process, the automobile data recorder adopts the interference prevention treatment of the GSM antenna 50, the first conductive cloth 101 is attached to the copper exposed part 51 of the GSM antenna, and the first conductive cloth 101 is connected with the GND to protect the GSM antenna 50 from electrostatic interference.

In a specific implementation process, the display screen 20 of the automobile data recorder adopts a special treatment process, the display screen 20 comprises an LCD screen 22 and a CTP screen 21, the LCD screen 22 is attached to the CTP screen 21, a full-attachment process is adopted, and through the arrangement, the display screen 20 achieves the beneficial effects of light leakage prevention, dust prevention and more complete display.

In the specific implementation process, the automobile data recorder has still carried out the anti-static electricity interference of PCB board 40 and display screen 20 and has handled the seat end 24 of display screen 20 paste establish the second electrically conductive cloth 102 with metal frame 23 is connected and GND, host computer 10 with after the block of display screen 20, the second electrically conductive cloth 102 with the cotton 103 contact of electrically conductive bubble of PCB board 40, through this setting, avoid automobile data recorder's internal plant receives electrostatic influence and damages, has optimized automobile data recorder's operational environment, has prolonged automobile data recorder's life.

In this embodiment, the PCB 40 passes through the screw 43 with host computer 10 fixed connection, through control the screw 43 with the fastening degree of PCB 40 alleviates the phenomenon of expending with heat and contracting with cold of PCB 40, avoids PCB 40 causes the host computer impaired at the micro-deformation in-process, host computer 10 side is provided with USB interface 13, USB interface 13 with PCB 40 electric connection, be used for with the vehicle event data recorder passes through the USB line and is connected with the computer, loads or updates the display control system of vehicle event data recorder, also can be right simultaneously the video recording module around the vehicle event data recorder, gravity sensor module, loudspeaker audio channel module, TP module, signal module of backing a car, bluetooth module, TF/SIM card module, FM module, GPS module, WIFI module, voice-operated module and dormancy theftproof module carry out the on-line test, host computer 10 is inside to be provided with camera 60 that is used for observing the road conditions and loudspeaker 70 that is used for carrying out voice broadcast Display screen 20, battery 30, GSM antenna 50, camera 60, loudspeaker 70 all with PCB board 40 electric connection shows and controls the software system that vehicle event data recorder loaded through display screen 20, through camera 60 carries out real time monitoring to the road conditions of traveling of car, realizes the voice broadcast function of relevant setting through loudspeaker 70, realizes through GSM antenna 50 vehicle event data recorder's communication function.

In the embodiment of the present invention, the graphite heat sink 81 is disposed on the outer surfaces of the battery 30 and the PCB 40, the first conductive cloth 101 and the conductive foam 103 are attached to the exposed copper portion 41 of the PCB, the conductive foam 103 is connected to GND, the first conductive cloth 101 is attached to the exposed copper portion 51 of the GSM antenna, the first conductive cloth 101 is connected to GND, the LCD 22 is attached to the CTP screen 21, and the second conductive cloth 102 is attached to the seat end 23 and connected to GND with the metal frame 23, so as to solve the problems of poor heat dissipation effect of the tachograph and shortened service life of internal electronic devices due to electrostatic effect in the prior art.

Industrial applicability

The present invention has industrial applicability.

Claims

A tachograph, comprising: the mobile terminal comprises a host, a display screen clamped with the front end of the host, a battery arranged in the host, a PCB electrically connected with the battery and a GSM antenna electrically connected with the PCB;

the PCB board dew copper portion with GSM antenna dew copper portion all is provided with first electrically conductive cloth, the outer surface subsides of first electrically conductive cloth are equipped with electrically conductive bubble cotton, electrically conductive bubble cotton connects GND, the seat end of display screen is provided with the electrically conductive cloth of second, the electrically conductive cloth of second with the metal frame of display screen is connected and is connect GND, electrically conductive bubble cotton with the electrically conductive cloth laminating of second is connected, the battery with the surface of PCB board all is provided with the graphite fin.
The automobile data recorder according to claim 1, wherein the graphite heat sink is made of a graphite carbon material, and the outer surface of the graphite heat sink is coated with a heat conductive silica gel for dissipating heat of the PCB.
The automobile data recorder of claim 1, wherein the display screen comprises an LCD screen and a CTP screen, and the LCD screen and the CTP screen are attached to each other.
The vehicle event data recorder of claim 1, wherein the camera and the display screen are both electrically connected to the PCB.
The vehicle event data recorder of claim 1, wherein the host computer back is provided with a hook and a plurality of heat dissipation holes, and a dust screen is arranged between the heat dissipation holes and the PCB.
The vehicle event data recorder of claim 1, wherein the PCB is fixedly connected with the host computer through a screw, and the battery is fixedly connected with the host computer through bonding.
The vehicle event data recorder of claim 1, wherein the battery has an external shape of a rectangular parallelepiped, and the graphite heat sink is attached to an outer surface of the battery.
The automobile data recorder as claimed in claim 1, wherein a USB interface is provided on the host side for connecting with a computer and updating the system of the automobile data recorder.
The automobile data recorder of claim 1, wherein a camera for observing road conditions and a speaker for voice broadcasting are arranged inside the host.