CN216861334U - Temperature-control anti-dazzling wireless reversing rearview mirror system - Google Patents
Temperature-control anti-dazzling wireless reversing rearview mirror system Download PDFInfo
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- CN216861334U CN216861334U CN202220551530.5U CN202220551530U CN216861334U CN 216861334 U CN216861334 U CN 216861334U CN 202220551530 U CN202220551530 U CN 202220551530U CN 216861334 U CN216861334 U CN 216861334U
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Abstract
The utility model provides a temperature-control anti-glare wireless reverse rearview mirror system, which comprises: the first camera and interior rear-view mirror. The first camera is arranged at the tail of the automobile and used for generating a video signal behind the automobile. The inside rear-view mirror sets up in the car front portion, and the inside rear-view mirror includes: the device comprises a shell, a circuit board, a controller, a display screen, a temperature sensor, a light sensor and anti-glare glass. The controller is electrically connected with the first camera through a first wireless communication protocol, and the controller can receive and process video signals behind the vehicle. The display screen, the temperature sensor, the light sensor and the anti-glare glass are electrically connected with the controller. The temperature sensor is used for generating a temperature signal, and the light sensor is used for generating a brightness signal. The anti-glare glass is arranged in front of the display screen, and the controller can adjust the reflectivity of the anti-glare glass according to the temperature signal and the brightness signal. The utility model solves the problem that the existing temperature-control anti-dazzling rearview mirror system can not display the rear image of the vehicle.
Description
Technical Field
The utility model relates to an anti-glare rearview mirror, in particular to a temperature-control anti-glare wireless reverse rearview mirror system.
Background
When the automobile runs at night, in order to prevent the interference of the strong light reflected to the rearview mirror to the driver, the automatic anti-dazzling function can be arranged in the rearview mirror, and the front side and the back side of the rearview mirror are respectively provided with a light sensor to respectively receive the light emitted from the front side and the back side of the automobile. When the strong light is irradiated on the rearview mirror, the controller can judge whether the light at the back of the vehicle is stronger than the light at the front of the vehicle through the signal comparison of the two light sensors, if so, the controller can apply control voltage to the anti-glare glass of the rearview mirror to darken the color of the anti-glare glass, so that the strong light irradiated at the back of the vehicle can be absorbed by the anti-glare glass to a large extent, and the light reflected to eyes of a driver becomes soft. When the automobile runs at night, due to the long-time use of the anti-dazzling function, the temperature around the light sensor can be increased due to the heat generated by the electronic devices in the rearview mirror, and the light sensor is misaligned due to temperature drift. In order to solve the problem, chinese patent CN2771890 discloses an anti-glare control device for an electrochromic rearview mirror, which comprises a rearview mirror body, a control circuit and a power circuit for providing the control circuit to operate. The control circuit comprises a CPU, a switch circuit, a reversing signal receiving circuit, an ambient light/glare sampling circuit, a temperature sampling circuit, an indicating circuit, a driving circuit and a constant voltage circuit. Make this rear-view mirror possess the function of compensation light sensor temperature drift through setting up temperature sampling circuit, but this rear-view mirror only has anti-dazzle mesh function, can't receive video signal behind the car in order to show complete car rear image, leads to the driver to be unable to observe the blind area behind the car and take place the incident easily. Therefore, the existing anti-glare rearview mirror has the problem that the rear image of the vehicle cannot be displayed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a temperature-control anti-glare wireless reverse rearview mirror system, which comprises: the first camera and interior rear-view mirror. The first camera is arranged at the tail of the automobile and used for generating a video signal behind the automobile. The inside rear-view mirror sets up in the car front portion, the inside rear-view mirror includes: the device comprises a shell, a circuit board, a controller, a display screen, a temperature sensor, a light sensor and anti-glare glass. The circuit board is arranged on the shell. The controller is arranged on the circuit board, the controller is electrically connected with the first camera through a first wireless communication protocol, and the controller can receive and process the video signal behind the vehicle. The display screen set up in the casing, the display screen with controller electric connection, the display screen is used for showing the process the controller has handled video signal behind the car. The temperature sensor is arranged on the circuit board and electrically connected with the controller, and the temperature sensor is used for generating a temperature signal. The light sensor is arranged on the circuit board, electrically connected with the controller and used for generating a brightness signal. The anti-dazzle glass is arranged on the shell, the anti-dazzle glass is arranged in front of the display screen and electrically connected with the controller, and the controller can adjust the reflectivity of the anti-dazzle glass according to the temperature signal and the brightness signal.
Preferably, the temperature-controlled anti-glare wireless reverse rearview mirror system further comprises a wireless transmitting module, the wireless transmitting module is arranged at the tail of the automobile and electrically connected with the first camera, and the wireless transmitting module is used for receiving the video signal behind the automobile and converting the video signal into a wireless video signal behind the automobile to be transmitted outwards.
Preferably, the temperature-controlled anti-glare wireless reverse rearview mirror system further comprises a wireless receiving module, the wireless receiving module is arranged on the circuit board and electrically connected with the controller, the wireless receiving module is electrically connected with the wireless transmitting module through the first wireless communication protocol, and the wireless receiving module is used for receiving the wireless vehicle rear video signal and sending the wireless vehicle rear video signal to the controller.
Preferably, the first wireless communication protocol is a 2.4G wireless communication protocol.
Preferably, the temperature-controlled anti-glare wireless reverse rearview mirror system further comprises a second camera arranged on the side or the front of the automobile, and the second camera is electrically connected with the controller.
Preferably, the second camera and the controller are electrically connected through a second wireless communication protocol.
Preferably, the display screen is a 5-inch LCD display screen.
Preferably, the display screen is electrically connected to the controller through LVDS.
Preferably, the LVDS is transmitted by balanced wires.
Preferably, the controller is a single chip microcomputer.
The utility model has the beneficial effects that: the first camera is arranged at the tail of the automobile, and an image behind the automobile is obtained to generate a video signal behind the automobile. An inside rear-view mirror is arranged at the front part of the automobile, and a controller and a display screen are arranged in the inside rear-view mirror. Let controller and first camera pass through first wireless communication agreement electric connection, the controller receives and handles video signal behind the car and sends the video signal behind the car that will handle to the display screen on show, has realized showing the function of car rear image on control by temperature change anti-dazzle mesh rear-view mirror, has eliminated the blind area behind the car. Meanwhile, the controller is electrically connected with the first camera through the first wireless communication protocol (a connecting wire when the controller is electrically connected with the first camera in a wired mode is omitted), so that compared with the temperature control anti-glare rearview mirror system, the installation difficulty of the temperature control anti-glare rearview mirror system is greatly reduced when the controller is electrically connected with the first camera through the connecting wire, and the installation time of the temperature control anti-glare rearview mirror system is saved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments of the present invention.
Drawings
FIG. 1 is a schematic view of an exemplary embodiment of a temperature-controlled anti-glare wireless reverse rearview mirror system;
FIG. 2 is a block diagram of a temperature-controlled anti-glare wireless reverse rearview mirror system according to an embodiment of the present invention;
FIG. 3 is an exploded view of an interior rear view mirror in an embodiment of the present invention;
FIG. 4 is a front view of an interior rear view mirror in an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4, in accordance with an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4, in accordance with an embodiment of the present invention.
Wherein, the reference numbers:
1 first camera
2 inner rear-view mirror
20 casing
21 circuit board
22 controller
23 display screen
24 temperature sensor
25 light ray sensor
26 anti-glare glass
3 automobile
4 wireless transmitting module
5 Wireless receiving module
6 second camera
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. In order to make the technical solutions of the present invention better understood, 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 of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and include, for example, fixed or removable connections or integral connections; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1 to fig. 3, a temperature-controlled anti-glare wireless reverse rearview mirror system of the present embodiment is disclosed, which includes: a first camera 1 and an interior rear view mirror 2. First camera 1 sets up in the afterbody of car 3, and first camera 1 is used for producing video signal behind the car. For example, the rear Video Signal may be a CVBS (Composite Video Broadcast Signal), a VGA (Video Graphics Array) Signal, an HDMI (High Definition Multimedia Interface) Signal, a DVI (Digital Visual Interface) Signal or an AHD (Analog High Definition) Signal, and the first camera 1 may collect an image behind the car 3 and convert the image into the rear Video Signal after being powered on. The interior mirror 2 is disposed in front of the automobile 3. For example, the interior mirror 2 may be fixed to the windshield of the automobile 3 by a mirror bracket. Referring to fig. 3 to 5 together, the interior mirror 2 includes: the device comprises a shell 20, a circuit board 21, a controller 22, a display screen 23, a temperature sensor 24, a light sensor 25 and anti-glare glass 26. The circuit board 21 is disposed on the housing 20. For example, the Circuit Board 21 may be a PCB (Printed Circuit Board) and is fixed to the housing 20 by screws. The controller 22 is disposed on the circuit board 21, the controller 22 is electrically connected to the first camera 1 through a first wireless communication protocol, and the controller 22 can receive and process the video signal after the vehicle. For example, the first wireless communication protocol may be ZigBee or WiFi. Display screen 23 sets up in casing 20, display screen 23 and controller 22 electric connection, and display screen 23 is used for showing the video signal behind the car that has passed through controller 22 processing. The temperature sensor 24 is disposed on the circuit board 21, the temperature sensor 24 is electrically connected to the controller 22, and the temperature sensor 24 is used for generating a temperature signal. The light sensor 25 is disposed on the circuit board 21, the light sensor 25 is electrically connected to the controller 22, and the light sensor 25 is configured to generate a brightness signal. The number of the light sensors 25 is at least two, one facing the front of the car 3 and one facing the rear of the car 3. Referring to fig. 2, 3 and 6, the anti-glare glass 26 is disposed on the housing 20, the anti-glare glass 26 is disposed in front of the display 23 and electrically connected to the controller 22, and the controller 22 can adjust the reflectivity of the anti-glare glass 26 according to the temperature signal and the brightness signal. For example, the display screen 23, the temperature sensor 24, the light sensor 25 and the anti-glare glass 26 may be electrically connected to the controller 22 through an integrated circuit or a flat cable.
By providing the first camera 1 at the rear of the automobile 3, an image behind the automobile is acquired to generate a video signal behind the automobile. The interior rear view mirror 2 is provided at the front of the automobile 3, and a controller 22 and a display 23 are provided in the interior rear view mirror 2. Let controller 22 and first camera 1 pass through a wireless communication protocol electric connection, controller 22 receives and handles video signal behind the car and sends the video signal behind the car that has handled to display screen 23 on and show, has realized showing the function of the car image behind car 3 on the control by temperature change anti-dazzle mesh rear-view mirror, has eliminated car 3 rear blind areas. Meanwhile, because the controller 22 and the first camera 1 are electrically connected through the first wireless communication protocol (a connection wire when the controller 22 is electrically connected with the first camera 1 by wire is omitted), compared with the temperature control anti-glare rearview mirror system, the installation difficulty of the temperature control anti-glare rearview mirror system is greatly reduced when the controller 22 is electrically connected with the first camera 1 by the connection wire, and the installation time of the temperature control anti-glare rearview mirror system is saved.
Referring to fig. 1 to 3, preferably, the temperature-controlled anti-glare wireless reverse rearview mirror system further includes a wireless transmitting module 4 and a wireless receiving module 5. For example, the wireless transmission module 4 may be a 2.4G wireless transmission module, and the wireless reception module 5 may be a 2.4G wireless reception module. The wireless transmitting module 4 is arranged at the tail part of the automobile 3. For example, the wireless transmitting module 4 can be fixed in the interior trim panel at the tail of the automobile 3 by screwing, clamping, riveting or gluing. Wireless emission module 4 sets up in 3 afterbody of car, and also wireless emission module 4 is close with first camera 1 installation distance, can reduce signal transmission distance between first camera 1 and the wireless emission module 4, is favorable to reducing the signal transmission decay between first camera 1 and the wireless emission module 4. The wireless transmitting module 4 is electrically connected with the first camera 1. For example, the wireless transmission module 4 and the first camera 1 may be electrically connected by a cable. The wireless transmitting module 4 is used for receiving the video signal behind the vehicle and converting the video signal into a wireless video signal behind the vehicle to be transmitted outwards. The wireless receiving module 5 is disposed on the circuit board 21. For example, the wireless receiving module 5 may be disposed on the circuit board 21 by a patch process. The wireless receiving module 5 is electrically connected with the controller 22. For example, the wireless receiving module 5 and the controller 22 may be electrically connected through an integrated circuit. The wireless receiving module 5 and the wireless transmitting module 4 are electrically connected through a first wireless communication protocol, and the wireless receiving module 5 is configured to receive a wireless video signal behind the vehicle and send the wireless video signal to the controller 22.
Preferably, the first wireless communication protocol is a 2.4G wireless communication protocol. Because the 2.4G wireless communication protocol has a frequency hopping function, one channel can be automatically selected from dozens of to 100 channels for communication, so that the communication between the first camera 1 and the controller 22 can avoid the interference of other electric appliances in the vehicle, and the transmission stability of the video signal behind the vehicle is improved.
Referring to fig. 1 and 2, preferably, the temperature-controlled anti-glare wireless reverse rearview mirror system further includes a second camera 6 disposed at a side portion or a front portion of the vehicle 3, and the second camera 6 is electrically connected to the controller 22. For example, the second camera 6 and the controller 22 may be electrically connected by a wire. The second camera 6 is arranged on the side or the front part of the automobile 3, so that images of more angles can be provided for a driver, the driver can observe more blind areas, and the driving safety is improved.
Preferably, the second camera 6 and the controller 22 are electrically connected by a second wireless communication protocol. For example, the second wireless communication protocol may be ZigBee or WiFi.
Preferably, the display screen 23 is a 5 inch LCD display screen.
As shown in fig. 2, the display screen 23 is preferably electrically connected to the controller 22 via LVDS. The LVDS (Low-Voltage Differential Signaling) is used for electrically connecting the display 23 and the controller 22, so that the signal transmission between the display 23 and the controller 22 has the advantages of Low power consumption, Low error rate, Low crosstalk, Low radiation, and the like.
Preferably, the LVDS is transmitted through a balanced wire.
Preferably, the controller 22 is a single chip microcomputer. For example, the controller 22 may be a TP6806 single chip microcomputer.
The temperature-controlled anti-glare wireless reverse rearview mirror system provided by the embodiment of the utility model is described in detail above, and for a person skilled in the art, according to the idea of the embodiment of the utility model, the specific implementation manner and the application range are changed. In view of the foregoing, it will be seen that this invention is not limited by the foregoing description, but is intended to cover all equivalent modifications and changes in accordance with the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A temperature-controlled anti-glare wireless reverse rearview mirror system is characterized by comprising:
the first camera is arranged at the tail of the automobile and used for generating an automobile rear video signal; and
an interior rear view mirror disposed in a front portion of an automobile, the interior rear view mirror comprising:
a housing;
a circuit board disposed on the housing;
the controller is arranged on the circuit board, electrically connected with the first camera through a first wireless communication protocol and capable of receiving and processing the video signal behind the vehicle;
the display screen is arranged on the shell, electrically connected with the controller and used for displaying the video signal after the vehicle processed by the controller;
the temperature sensor is arranged on the circuit board, electrically connected with the controller and used for generating a temperature signal;
the light sensor is arranged on the circuit board, electrically connected with the controller and used for generating a brightness signal; and
the anti-dazzle glass is arranged in front of the display screen and electrically connected with the controller, and the controller can adjust the reflectivity of the anti-dazzle glass according to the temperature signal and the brightness signal.
2. The temperature-controlled anti-glare wireless reverse rearview mirror system according to claim 1, further comprising a wireless transmitting module disposed at the rear of the vehicle, wherein the wireless transmitting module is electrically connected to the first camera, and the wireless transmitting module is configured to receive the video signal behind the vehicle and convert the video signal into a wireless video signal behind the vehicle for transmission.
3. The temperature-controlled anti-glare wireless reverse rearview mirror system according to claim 2, further comprising a wireless receiving module disposed on the circuit board, the wireless receiving module being electrically connected to the controller, the wireless receiving module being electrically connected to the wireless transmitting module via the first wireless communication protocol, the wireless receiving module being configured to receive the wireless vehicle rear video signal and send the same to the controller.
4. The temperature controlled anti-glare wireless reverse mirror system according to claim 2, wherein the first wireless communication protocol is a 2.4G wireless communication protocol.
5. The temperature-controlled anti-glare wireless reverse rearview mirror system of claim 1, further comprising a second camera disposed on a side or a front portion of the vehicle, the second camera being electrically connected to the controller.
6. The temperature-controlled anti-glare wireless reverse rearview mirror system of claim 5, wherein the second camera and the controller are electrically connected via a second wireless communication protocol.
7. The temperature-controlled anti-glare wireless reverse rearview mirror system of any one of claims 1-6, wherein the display screen is a 5 "LCD display screen.
8. The temperature-controlled anti-glare wireless reverse rearview mirror system of claim 7, wherein the display screen is electrically connected to the controller through LVDS.
9. The temperature controlled anti-glare wireless reverse mirror system according to claim 8, wherein the LVDS is transmitted over balanced wires.
10. The temperature-controlled anti-glare wireless reverse rearview mirror system of any one of claims 1-6, wherein the controller is a single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220551530.5U CN216861334U (en) | 2022-03-14 | 2022-03-14 | Temperature-control anti-dazzling wireless reversing rearview mirror system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220551530.5U CN216861334U (en) | 2022-03-14 | 2022-03-14 | Temperature-control anti-dazzling wireless reversing rearview mirror system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216861334U true CN216861334U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220551530.5U Active CN216861334U (en) | 2022-03-14 | 2022-03-14 | Temperature-control anti-dazzling wireless reversing rearview mirror system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216861334U (en) |
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2022
- 2022-03-14 CN CN202220551530.5U patent/CN216861334U/en active Active
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