CN111698396A

CN111698396A - Defrosting and demisting camera and automobile

Info

Publication number: CN111698396A
Application number: CN201910189284.6A
Authority: CN
Inventors: 陈志昌
Original assignee: Shenzhen Hangsheng Electronic Co Ltd
Current assignee: Shenzhen Hangsheng Electronic Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-09-22

Abstract

The invention provides a defrosting and demisting camera and an automobile, wherein the camera comprises an upper shell, a lower shell, a heater, heat-conducting silica gel and a lens; the upper shell is detachably connected with the lower shell; a PCB is arranged in the upper shell; one end of the heater is fixedly connected to the PCB; the other end of the heater is fixedly connected with the heat-conducting silica gel; the upper shell is provided with a through hole; the lens is connected with the heat-conducting silica gel through the through hole so as to transfer heat generated by the heater to the lens through the heat-conducting silica gel; through adopting above technical scheme, solved the problem that current on-vehicle camera can not defrost the defogging, avoided the accident because of the camera lens is hazed and is caused, and the good reliability, the practicality is strong, and is efficient, and is intelligent high, is applicable to rainy day, heavy fog day and low temperature environment etc..

Description

Defrosting and demisting camera and automobile

Technical Field

The invention belongs to the technical field of vehicle-mounted cameras, and particularly relates to a defrosting and demisting camera and an automobile.

Background

With the development of the ADAS (advanced driving assistance system) function, the vehicle-mounted camera is more and more popular and more emphasized; the vehicle-mounted camera is used for multiple aspects, and the requirement to the environment is also constantly promoted, when meetting rainy day, heavy fog day or cold weather, because the camera is inside to generate heat, the low difference in temperature that arouses easily of external temperature changes, causes the camera lens to fog, can not obtain the outer information of car in real time, seriously influences the use and the driving safety of camera.

Based on the technical problems in the vehicle-mounted camera, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.

Disclosure of Invention

The invention aims to provide a defrosting and demisting camera and an automobile aiming at overcoming the defects in the prior art, and aims to solve the problem that the existing vehicle-mounted camera cannot defrost and demist.

The invention provides a defrosting and demisting camera which comprises an upper shell, a lower shell, a heater, heat-conducting silica gel and a lens, wherein the upper shell is provided with a first opening; the upper shell is detachably connected with the lower shell; a PCB is arranged in the upper shell; one end of the heater is fixedly connected to the PCB; the other end of the heater is fixedly connected with the heat-conducting silica gel; the upper shell is provided with a through hole; the camera lens passes through the through-hole and is connected with heat conduction silica gel to transmit the heat that the heater produced to the camera lens through heat conduction silica gel.

Further, the through hole of the upper shell is an internal thread through hole; an internal thread through hole is formed in the heat-conducting silica gel; the lens is provided with an external thread; the lens is detachably connected with the internal thread through hole of the upper shell through an external thread; the internal thread through hole of heat conduction silica gel is located the internal thread through hole below of epitheca to set up with the internal thread through hole of epitheca is relative, so that the camera lens passes the internal thread through hole of epitheca and is connected with heat conduction silica gel, thereby transmits the heat to the camera lens from heat conduction silica gel.

Furthermore, a main control chip is also arranged on the PCB; the main control chip is positioned in the middle of the PCB; the heater passes through PCB board and main control chip electrical connection, and main control chip is used for controlling the heater and generates heat.

Further, the device also comprises a temperature sensor; the temperature sensor is arranged on the PCB and used for monitoring the temperature transmitted to the PCB by the heater; the temperature sensor is electrically connected with the main control chip through the PCB so as to transmit temperature information monitored by the temperature sensor to the main control chip, and a temperature zero limit point is set through the main control chip so as to control the heater to be turned on or turned off.

Further, the heater is a ceramic PTC thermistor.

Further, the lens comprises a lens, a lens base and a lens barrel; the lens is made of high-temperature resistant glass material; the lens base is made of high-temperature resistant and thermal deformation resistant materials; the lens cone is made of metal; the lens is fixedly connected with one end of the lens base; the other end of the lens base is fixedly connected with the lens cone; the lens cone is provided with an external thread; the camera lens passes through the external screw thread and is connected with heat conduction silica gel.

Further, the device also comprises a wire harness; the lower shell is provided with a through hole; one end of the wire harness penetrates through the through hole in the lower shell to be electrically connected with the PCB; the other end of the wire harness is provided with a wiring port; the wiring port is used for being electrically connected with the vehicle body end.

Further, the device also comprises a photosensitive sensor, a reset circuit and a crystal oscillator module; the photosensitive sensor is arranged on the PCB, positioned between the lens and the main control chip, connected with the main control chip and used for converting optical signals into electric signals; the reset circuit is electrically connected with the main control chip; the crystal oscillator module is electrically connected with the main control chip and used for controlling the clock frequency of the main control chip.

Further, the system also comprises an Ethernet connector and a WIFI module; the Ethernet connector is connected with the main control chip so as to transmit the temperature information outside the automobile to the main control chip through the Ethernet; the main control chip receives the image signal of the photosensitive sensor, and transmits the image signal with the terminal through the Ethernet connector after processing and coding; the WIFI module is connected with the main control chip and used for being connected with a mobile phone or an IPAD to cache pictures or monitor real-time videos.

Correspondingly, the invention also provides an automobile, which comprises a defrosting and demisting camera; the defrosting and demisting camera is the defrosting and demisting camera.

According to the technical scheme provided by the invention, the lens is connected to the upper shell through the external thread; a PCB is arranged in the upper shell; the PCB is fixedly connected with a heater; the heater is made of ceramic PTC; the heater is fixedly connected to the PCB; the heater transfers heat to the heat-conducting silica gel through connecting the heat-conducting silica gel, and the heat-conducting silica gel transfers the heat to the lens through connecting the lens so as to achieve the effect of heating the lens, thereby avoiding the lens from being fogged due to the temperature difference between the inside and the outside and playing the roles of defrosting and demisting; by adopting the technical scheme, the device has the advantages of simple structure, low cost, strong reliability, high efficiency, suitability for various weather conditions, particularly rainy days, heavy fog days and low-temperature environments, and strong adaptability; meanwhile, the temperature of the heater is controlled by the main control chip through combining the temperature sensor; when the temperature reaches the maximum temperature set value, the heater is controlled to be powered off through the main control chip, and heating is stopped; when the temperature reaches a low-temperature set value, the heater is controlled to be powered on through the main control chip to heat; through the outage and the circular telegram of control heater, intelligent degree is high, has avoided the high temperature to cause the electronic components harm in the camera effectively, influences the normal use of camera, can also reduce the frequency of use of heater simultaneously, improves the durability of heater, reduces power consumption, practices thrift the cost.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The invention will be further explained with reference to the drawings, in which:

FIG. 1 is a schematic diagram of a defrosting and defogging camera structure of an intelligent vehicle according to the present invention;

FIG. 2 is a sectional view of the section A-A of an intelligent vehicle defrosting and defogging camera of the present invention;

fig. 3 is a schematic view of a lens structure of an intelligent vehicle defrosting and defogging camera according to the present invention.

In the figure: 1-upper shell; 2-a lower shell; 3-a PCB board; 4-a heater; 5-thermally conductive silica gel; 6-lens; 61-a lens; 62-a lens base; 63-a lens barrel; 64-external threads; 7-a main control chip; 8-harness; 9-wiring port.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments in the present application may be combined with each other; the present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 3, the present invention provides a defrosting and defogging camera, which includes an upper shell 1, a lower shell 2, a heater 4, a heat conductive silica gel 5 and a lens 6; the upper shell 1 and the lower shell 2 are both in square hollow structures; the upper shell 1 is provided with bolt holes, and the upper shell 1 is detachably connected with the lower shell 2 through bolts; a PCB (printed Circuit Board) 3 is arranged in the upper shell 1; one end of the heater 4 is fixedly connected to one side of the PCB 3; the other end of the heater 4 is fixedly connected with the heat-conducting silica gel 5; the upper shell 1 is provided with a through hole; an internal thread through hole is formed in the heat-conducting silica gel 5; the lens 6 is connected with the heat-conducting silica gel 5 through the through hole of the upper shell 1 so as to transfer heat generated by the heater 4 to the lens 6 through the heat-conducting silica gel 5; specifically, the heater 4 is directly fixed on the PCB 3, the heat generated by the heater 4 is directly transmitted to the lens 6 by the heat-conducting silica gel 5, and the water vapor on the surface of the lens 6 is evaporated by the heat generation, so that the defrosting and demisting effects are achieved; by adopting the technical scheme of the defrosting and demisting camera, the applicability of the vehicle-mounted camera can be effectively improved, and accidents caused by fogging of the lens 6 are avoided; the scheme provided by the invention has the advantages of strong reliability, strong practicability, high efficiency and high intelligence, and can be suitable for rainy days, foggy days, low-temperature environments and the like, so that the automobile is safer and more reliable to use.

Preferably, in combination with the above scheme, as shown in fig. 1 to 3, in the present embodiment, the through hole of the upper shell 1 is an internal threaded through hole; an internal thread through hole is formed in the heat-conducting silica gel 5; the lens 6 is provided with an external thread 64; the lens 6 is detachably connected with the internal thread through hole of the upper shell 1 through an external thread 64 and is used for installing the lens 6; the internal thread through hole of the heat-conducting silica gel 5 is positioned below the internal thread through hole of the upper shell 1 and is arranged opposite to the internal thread through hole of the upper shell 1, so that the lens 6 penetrates through the internal thread through hole of the upper shell 1 to be connected with the heat-conducting silica gel 5, and heat is transferred from the heat-conducting silica gel 5 to the lens 6; specifically, heat conduction silica gel 5 heat transfer effect is better, can defrost the defogging to lens 61 fast.

Preferably, in combination with the above scheme, as shown in fig. 1 to 3, in this embodiment, the PCB board 3 is further provided with a main control chip 7; the main control chip 7 is positioned in the middle of the PCB 3; the heater 4 is electrically connected with a main control chip 7 through the PCB 3, and the main control chip 7 is used for controlling the heater 4 to generate heat; further, the device also comprises a temperature sensor; the temperature sensor is arranged on the PCB 3 and used for monitoring the temperature transmitted to the PCB 3 by the heater 4, the temperature sensor is additionally arranged to monitor the temperature of the PCB 3 at the position near the main control chip 7, the overheating failure of the main control chip 7 is avoided, the PCB 3 and the main control chip 7 are protected, and the reliability and the durability of the camera are improved; the temperature sensor is electrically connected with the main control chip 7 through the PCB 3 so as to transmit the temperature information monitored by the temperature sensor to the main control chip 7, and a temperature critical point is set through the main control chip 7 so as to control the heater 4 to be turned on or turned off; specifically, a critical temperature value of the PCB 3 monitored by the temperature sensor is set, and the calculation of the maximum temperature requires the chip junction temperature (the actual temperature of the semiconductor in the electronic device)The method comprises the steps of calculating and reserving safety margin), setting the highest Temperature value of the PCB 3, controlling the heater 4 to be closed through the main control chip 7 when the Temperature reaches a highest Temperature set value, stopping heating, controlling the heater 4 to be electrified through the main control chip 7 to heat when the Temperature reaches a low Temperature set value, performing power-off protection through the set Temperature value, prolonging the service life and increasing the reliability, recovering the video frame rate of the camera lens 6 to be normal when the main control Temperature works below 85 ℃, effectively reducing the influence of overhigh Temperature on the use of the camera and ensuring the normal work of the camera, further setting the heater 4 to be a ceramic PTC thermistor, specifically, the ceramic material has good heat conductivity, the resistance value of the heater 4 is increased along with the increase of the Temperature, the heating energy is gradually reduced, the Temperature is kept constant in the later stage, excessive heating can be avoided, setting the Temperature coefficient α of the ceramic PTC thermistor to ensure that the heat transfer of the heater 4 is constant, specifically, the relative change of the PTC thermistor caused by the Temperature change, the Temperature coefficient α is larger, the PTC thermistor reacts to Temperature change sensitively, specifically, the PTC thermistor has the effect of maintaining the constant Temperature when the PTC works in a constant Temperature, and the PCB 3 and further plays a role of keeping the constant Temperature of the PCB 3 after the PCB 3 and the PCB is kept in a stable working Temperature range, and the PCB 3 is kept in a high working Temperature range, and the PCB is further prevented from a high working point TG 3 working range, and the PCB working Temperature range of the PCB 3

In order to enable the upper shell 1 and the lower shell 2 to meet the high-temperature working environment, the upper shell 1 is made of an aluminum alloy material; the lower case 2 is made of an aluminum alloy material, so that heat can be sufficiently dissipated.

Preferably, in combination with the above scheme, as shown in fig. 1 to 3, in the present embodiment, the lens 6 includes a lens 61, a lens holder 62, and a lens barrel 63; the lens 61 is made of high-temperature-resistant glass material, and the high-temperature-resistant glass material can at least ensure normal work at 105 ℃; the lens base 62 is made of a high-temperature-resistant thermal deformation material which can at least ensure normal operation at 105 ℃; the lens barrel 63 is made of metal; the lens 61 is fixedly connected to one end of the lens base 62; the other end of the lens base 62 is fixedly connected with the lens barrel 63; the lens barrel 63 is provided with an external thread 64; the lens 6 is connected with the heat-conducting silica gel 5 through an external thread 64; heat conduction silica gel 5 passes through metal lens barrel 63 and transmits the heat to lens 61 fast, reaches the effect of quick defrosting defogging, and the effect is obvious and efficient.

Preferably, in combination with the above scheme, as shown in fig. 1 to 3, the present embodiment further includes a wire harness 8; the lower shell 2 is provided with a through hole; one end of the wiring harness 8 penetrates through the through hole on the lower shell 2 to be electrically connected with the PCB 3; the other end of the wiring harness 8 is provided with a wiring port 9, and the wiring port 9 is used for being electrically connected with the end of the vehicle body; further, the power supply module and the power supply connector are also included; the power supply module is arranged on the PCB 3; the power supply connector is respectively electrically connected with the power supply module and the heater 4, and the power supply connector provides power for the PCB 3 through the power supply module.

Preferably, with reference to the above scheme, as shown in fig. 1 to fig. 3, in this embodiment, the image sensor further includes a photosensitive sensor, a reset circuit, and a crystal oscillation module; the photosensitive sensor is arranged on the PCB 3, is positioned between the lens 6 and the main control chip 7, is connected with the main control chip 7 and is used for converting an optical signal into an electrical signal; the reset circuit is electrically connected with the main control chip 7 and resets the set parameters of the main control chip 7; the crystal oscillator module is electrically connected with the main control chip 7 and is used for controlling the clock frequency of the main control chip 7; further, the system also comprises an Ethernet connector and a WIFI module; the Ethernet connector is connected with the main control chip 7 so as to transmit the temperature information outside the vehicle to the main control chip 7 through Ethernet, and when the temperature outside the vehicle is lower than a set value, the main control chip 7 controls the heater 4 to be started to heat the lens 6 so as to play a role except defrosting; the main control chip 7 receives the image signal of the photosensitive sensor, processes the image of the image signal, encodes the image signal and transmits the encoded image signal to the terminal through the Ethernet connector; specifically, the terminal may be a central control display screen, a mobile phone or an IPAD, and the like; the WIFI module is connected with the main control chip 7 and used for being connected with a mobile phone or an IPAD to cache pictures or monitor real-time videos, and a user can monitor the situation outside the camera in real time, so that the system is convenient, fast, safe and reliable.

Preferably, in combination with the above solutions, as shown in fig. 1 to fig. 3, in this embodiment, the model of the main control chip 7 may be BCM 89107; the main control chip 7 is arranged on the PCB 3 printed with the circuit; the heater 4 is electrically connected with the main control chip 7 through the PCB 3, and the main control chip 7 controls the heater 4 to generate heat so as to transfer the heat to the heat-conducting silica gel 5; the heat-conducting silica gel 5 is connected to one end of the lens 6, and heat is transferred from the heat-conducting silica gel 5 to the lens 6 through heat conduction; the lens barrel 63 of the lens 6 is made of metal materials, has good heat conduction performance and can quickly transfer heat to the lens 61 on the lens base 62; when the lens 6 is fogged due to the temperature difference effect inside and outside, the lens 61 can be heated quickly, and the effects of defrosting and demisting are achieved.

Correspondingly, in combination with the scheme, the invention also provides an automobile, which comprises a defrosting and demisting camera; the defrosting and demisting camera is the defrosting and demisting camera; specifically, the defogging and defrosting cameras can be mounted at the front end and the rear end of the vehicle body, can be used in cooperation with a central control display screen to enlarge the sight range of a driver, eliminate the sight blind area of the driver and provide assistance when the vehicle is parked and put in storage, and can be combined with a vehicle traveling recorder system to monitor the conditions outside the vehicle; specifically, the defogging and defrosting cameras can be further mounted on left and right rearview mirrors of the automobile body, and can realize panoramic parking of the automobile by matching with the front and rear cameras; furthermore, the defogging and defrosting camera can be arranged at the front end of the vehicle body and matched with the automatic driving system for use, and the defogging and defrosting camera can be matched with the automatic driving system to realize intelligent identification of pedestrians and obstacles; furthermore, the defogging and defrosting camera can also be applied to an LDA (lane departure warning system), a TSR (traffic speed limit sign recognition system), an FCW (anti-collision system), a BSD (blind spot monitoring system), an SAP (automatic parking assistance system) and the like in an ADAS (advanced driving assistance system).

According to the technical scheme provided by the invention, the lens 6 is connected to the upper shell 1 through the external thread 64; the PCB 3 is arranged in the upper shell; the heater 4 is fixedly connected to the PCB 3; the heater 4 is made of ceramic PTC; the heater 4 is fixedly connected to the PCB 3; the heater 4 transfers heat to the heat-conducting silica gel 5 by connecting the heat-conducting silica gel 5, and the heat-conducting silica gel 5 transfers the heat to the lens 61 by connecting the lens 6 so as to achieve the effect of heating the lens 61, thereby avoiding the lens 6 from being fogged due to the temperature difference between the inside and the outside and playing a role in defrosting and demisting; by adopting the technical scheme, the device has the advantages of simple structure, low cost, strong reliability, high efficiency, suitability for various weather conditions, particularly rainy days, heavy fog days and low-temperature environments, and strong adaptability; meanwhile, the main control chip 7 controls the temperature of the heater 4 by combining a temperature sensor; when the temperature reaches the maximum temperature set value, the heater 4 is controlled to be powered off through the main control chip 7, and heating is stopped; when the temperature reaches a low-temperature set value, the heater 4 is controlled to be electrified through the main control chip 7 to generate heat; through the outage and the circular telegram of control heater 4, intelligent degree is high, has avoided the high temperature to cause the electronic components harm in the camera effectively, influences the normal use of camera, can also reduce heater 4's frequency of use simultaneously, improves heater 4's durability, reduces power consumption, practices thrift the cost.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.

Claims

1. A defrosting and demisting camera is characterized by comprising an upper shell (1), a lower shell (2), a heater (4), heat-conducting silica gel (5) and a lens (6); the upper shell (1) is detachably connected with the lower shell (2); a PCB (3) is arranged in the upper shell (1); one end of the heater (4) is fixedly connected to the PCB (3); the other end of the heater (4) is fixedly connected with the heat-conducting silica gel (5); the upper shell (1) is provided with a through hole; camera lens (6) pass through the through-hole with heat conduction silica gel (5) are connected, in order to with the heat that heater (4) produced passes through heat conduction silica gel (5) transmit to camera lens (6).

2. Defrosting and defogging camera head according to claim 1, characterized in that the through hole of the upper shell (1) is an internal threaded through hole; an internal thread through hole is formed in the heat-conducting silica gel (5); an external thread (64) is arranged on the lens (6); the lens (6) is detachably connected with the internal thread through hole of the upper shell (1) through the external thread (64); the internal thread through-hole of heat conduction silica gel (5) is located the internal thread through-hole below of epitheca (1), and with the internal thread through-hole of epitheca (1) sets up relatively, so that camera lens (6) pass the internal thread through-hole of epitheca (1) with heat conduction silica gel (5) are connected, thereby follow heat conduction silica gel (5) transfer extremely camera lens (6).

3. The defrosting and defogging camera head according to claim 1, wherein a main control chip (7) is further arranged on the PCB (3); the main control chip (7) is positioned in the middle of the PCB (3); the heater (4) is electrically connected with the main control chip (7) through the PCB (3); the main control chip (7) is used for controlling the heater (4) to generate heat.

4. The defrosting and defogging camera head of claim 3 further comprising a temperature sensor; the temperature sensor is arranged on the PCB (3) and used for monitoring the temperature transmitted to the PCB (3) by the heater (4); the temperature sensor is electrically connected with the main control chip (7) through the PCB (3) so as to transmit temperature information monitored by the temperature sensor to the main control chip (7), and a temperature critical point is set through the main control chip (7) so as to control the heater (4) to be turned on or turned off.

5. Defrosting and defogging camera head according to claim 4, characterized in that said heater (4) is a ceramic PTC thermistor.

6. A defrosting and defogging camera head according to claim 1, wherein the lens (6) comprises a lens (61), a lens holder (62), and a lens barrel (63); the lens (61) is made of high-temperature-resistant glass; the lens base (62) is made of high-temperature-resistant and thermal-deformation-resistant materials; the lens cone (63) is made of metal; the lens (61) is fixedly connected to one end of the lens base (62); the other end of the lens base (62) is fixedly connected with the lens barrel (63); the lens barrel (63) is provided with an external thread (64); the lens (6) is connected with the heat-conducting silica gel (5) through the external thread (64).

7. The defrosting and defogging camera head of claim 1, further comprising a wiring harness (8); the lower shell (2) is provided with a through hole; one end of the wire harness (8) penetrates through a through hole in the lower shell (2) to be electrically connected with the PCB (3); the other end of the wire harness (8) is provided with a wiring port (9); and the wiring port (9) is used for being electrically connected with the end of the vehicle body.

8. The defrosting and defogging camera head according to claim 3, further comprising a photosensitive sensor, a reset circuit and a crystal oscillator module; the photosensitive sensor is arranged on the PCB (3), is positioned between the lens (6) and the main control chip (7), is connected with the main control chip (7), and is used for converting an optical signal into an electric signal; the reset circuit is electrically connected with the main control chip (7); the crystal oscillator module is electrically connected with the main control chip (7) and is used for controlling the clock frequency of the main control chip (7).

9. The defrosting and defogging camera head of claim 8 further comprising an ethernet connector and a WIFI module; the Ethernet connector is connected with the main control chip (7) so as to transmit the temperature information outside the automobile to the main control chip (7) through Ethernet; the main control chip (7) receives the image signal of the photosensitive sensor, processes and codes the image signal and transmits the image signal to a terminal through the Ethernet connector; the WIFI module is connected with the main control chip (7) and used for being connected with a mobile phone or an IPAD to cache pictures or monitor real-time videos.

10. An automobile comprises a defrosting and demisting camera; the defrosting and defogging camera is characterized in that the defrosting and defogging camera is the defrosting and defogging camera as claimed in any one of claims 1 to 9.