CN211606660U

CN211606660U - Video signal conversion device

Info

Publication number: CN211606660U
Application number: CN202020016230.8U
Authority: CN
Inventors: 冯曙
Original assignee: SHENZHEN DOWCAUSE TECHNOLOGY CO LTD
Current assignee: SHENZHEN DOWCAUSE TECHNOLOGY CO LTD
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-09-29
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a video signal conversion device, which comprises a shell and a signal converter, wherein the shell is provided with a first through hole, a second through hole and an accommodating inner cavity, and the first through hole and the second through hole are respectively communicated with the accommodating inner cavity; the signal converter is provided with a signal conversion chip, an HDMI interface and an MIPI interface, the HDMI interface is connected with the input end of the signal conversion chip and used for inputting a first video signal, and the MIPI interface is connected with the output end of the signal conversion chip and used for outputting a second video signal obtained after the signal conversion chip is converted; the HDMI is arranged at the first through hole, and the MIPI is arranged at the second through hole. The technical scheme realizes that the HDMI signal is converted into the MIPI signal, and the use of a user is met.

Description

Video signal conversion device

Technical Field

The utility model belongs to the technical field of the signal conversion technique and specifically relates to a video signal changes device.

Background

With the development of technology, automobiles are more and more popular in people's daily life. With the increase of automobiles, the driving safety problem is more and more acute. Because the automobile has a vision blind area, great carelessness is brought to the driving safety. In order to solve the problem, a 360-degree panoramic driving auxiliary system is provided, and the system synthesizes a panoramic driving environment image of the automobile for a user to use by acquiring video signals around the automobile. The technology greatly improves the driving safety and ensures the life and property safety of people.

When data acquisition is carried out, because the output forms of different data acquisition devices are different, some devices are incompatible, and therefore the devices are not usable.

Therefore, the above technical problem needs to be solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a video signal changes device, aim at realizes the conversion of HDMI signal to the MIPI signal to satisfy the operation requirement of equipment.

In order to solve the technical problem, the utility model provides a basic technical scheme does:

a video signal conversion apparatus comprising:

a housing configured to have a first through hole, a second through hole, and a housing inner cavity, the first through hole and the second through hole communicating with the housing inner cavity, respectively; and

the signal converter is configured to be provided with a signal conversion chip, an HDMI interface and an MIPI interface, the HDMI interface is connected with the input end of the signal conversion chip and used for inputting a first video signal, and the MIPI interface is connected with the output end of the signal conversion chip and used for outputting a second video signal obtained after the signal conversion chip converts the second video signal;

the HDMI is arranged at the first through hole, and the MIPI is arranged at the second through hole.

Further, the model of the signal conversion chip is LT 9C.

Further, the signal converter further comprises a power circuit, the power circuit has an input end and a first buck converter and a second buck converter electrically connected with the input end respectively, and voltage output ends of the first buck converter and the second buck converter are electrically connected with two power input ends of the signal conversion chip respectively;

the first buck converter is a V buck converter, and the second buck converter is a V buck converter.

Furthermore, the signal conversion chip is also connected with an oscillator for providing a clock signal.

Further, the first through hole and the second through hole are arranged at the front side face of the shell and are arranged side by side.

Further, the input end of the power circuit is exposed at the rear side of the casing.

Furthermore, the video signal conversion device also comprises a connecting clamping plate, the middle part of the connecting clamping plate is provided with a clamping groove, two sides of the connecting clamping plate are respectively provided with an ear plate in an outward extending way, and each ear plate is provided with a through hole which can be fixed with an external object through a screw thread;

the front side surface is provided with a first matching part which can be matched with the clamping groove, and the bottom end surface of the shell is provided with a second matching part which can be matched with the clamping groove; when the connecting clamping plate is matched and connected with the first matching part, the lug plates on the two sides of the connecting clamping plate are exposed on the two sides of the front side surface; when the connecting clamping plate is matched and connected with the second matching part, the lug plates on the two sides of the connecting clamping plate expose the two sides of the bottom end face.

Furthermore, the connecting clamping plate is fixedly connected or buckled with the shell through threads.

The utility model has the advantages that:

the technical scheme of the utility model provides a video signal conversion device, including casing and signal converter, the casing has first through-hole, second through-hole and accomodates the inner chamber, first through-hole and the second through-hole respectively with accomodate the inner chamber and communicate; the signal converter is provided with a signal conversion chip, an HDMI interface and an MIPI interface, the HDMI interface is connected with the input end of the signal conversion chip and used for inputting a first video signal, and the MIPI interface is connected with the output end of the signal conversion chip and used for outputting a second video signal obtained after the signal conversion chip is converted; the HDMI is arranged at the first through hole, and the MIPI is arranged at the second through hole. The technical scheme realizes that the HDMI signal is converted into the MIPI signal, and the use of a user is met.

Drawings

Fig. 1 is a schematic diagram of an external form of a video signal conversion device according to the present invention;

FIG. 2 is a second schematic diagram of an external form of a video signal conversion apparatus;

FIG. 3 is a schematic circuit diagram of a video signal conversion apparatus;

FIG. 4 is a circuit diagram of the signal conversion chip;

FIG. 5 is a circuit connection schematic diagram of HDMI input and MIPI output'

FIG. 6 is a circuit schematic of a power supply circuit;

FIG. 7 is a schematic structural view of the connection card;

FIG. 8 is a schematic view of the connection clip plate and the first mating portion;

FIG. 9 is a schematic structural view of the second engaging portion;

fig. 10 is a schematic structural view of the connecting card and the second mating portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 10, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

Referring to fig. 1 and 3, a video signal conversion apparatus of the present embodiment includes a housing 1 and a signal converter 2, the housing 1 is configured to have a first through hole 11, a second through hole 12, and a housing inner cavity, and the first through hole 11 and the second through hole 12 are respectively communicated with the housing inner cavity; the signal converter 2 is configured to have a signal conversion chip 21, an HDMI interface 22 and an MIPI interface 23, the HDMI interface 22 is connected to an input end of the signal conversion chip 21 for inputting a first video signal, and the MIPI interface 23 is connected to an output end of the signal conversion chip 21 for outputting a second video signal converted by the signal conversion chip 21; wherein the HDMI interface 22 is disposed at the first via 11, and the MIPI interface 23 is disposed at the second via 12. According to the scheme, the HDMI video signal is input through the HDMI interface 22, the HDMI video signal is converted into the MIPI video signal through the signal conversion chip 21, and finally the MIPI interface 23 outputs the MIPI video signal, so that format conversion of the video signal is achieved, and conversion and use of a user are met.

Preferably, in the present embodiment, the model number of the signal conversion chip 21 is LT6911C, and the specific power of the signal conversion chip 21 is as shown in fig. 4. The signal conversion chip 21 adopting the type is high in chip integration level and few in external devices, and can ensure that the designed shell 1 is small in size and is convenient and fast to plug-in install. The HDMI interface 22 and the MIPI interface 23 adopt a general interface, and the HDMI input and the MIPI output shown in fig. 5 can be referred to in specific connection.

The technical scheme is used for adopting an LT6911C chip, when in use, the HDMI interface 22 is connected with an external signal input HDMI line, and the obtained HDMI video signal is transmitted to the corresponding input end of the signal conversion chip 21, and the conversion is realized by adopting a known technology. The LT6911C chip can quickly receive the HDMI video signal and convert the HDMI video signal into an MIPI video signal according to a set mode. The MIPI interface 23 is used to connect with an external MIPI-type device and transmit the resulting MIPI video signal to the device for use by the device.

In a word, the technical scheme of the utility model the HDMI video signal has been realized to MIPI video signal's quick conversion, has satisfied user's user demand, and the size of the chip that adopts is little moreover, can reduce video signal conversion equipment's volume.

In order to satisfy the power consumption requirement of the LT6911C signal conversion chip, the signal converter 2 of the present embodiment further includes a power supply circuit 24, the power supply circuit 24 has an input end 241 and a first buck converter 242 and a second buck converter 243 electrically connected to the input end respectively, and the voltage output ends of the first buck converter 242 and the second buck converter 243 are electrically connected to the two power input ends of the signal conversion chip 21 respectively; wherein the first buck converter 242 is a 3.3V buck and the second buck converter 243 is a 1.2V buck. With this technique, the power input requirement of the LT6911C type signal conversion chip 21 can be satisfied. The input end 241 of the power circuit 24 inputs 12V voltage, and outputs 3.3V and 1.2V voltage after passing through the first buck converter 242 and the second buck converter 243, respectively. In addition, in this embodiment, a VCC33 terminal of the second buck converter 243 is further connected to a buck circuit 244, and the buck circuit 244 converts the voltage of 3.3V into 1.2V and inputs the value to the signal conversion chip 21 for use. Specifically, referring to fig. 6, a specific circuit diagram of the power supply circuit 24 is shown.

In addition, an oscillator 25 for supplying a clock signal is connected to the signal conversion chip 21. The oscillator 25 is implemented by a known technique and is connected to the signal conversion chip 21.

Specifically, the HDMI interface 22, the MIPI interface 23, the signal conversion chip 21, the power circuit 24, and the oscillator 25 in this embodiment are all integrated on one PCB, and specifically, the whole PCB is assembled inside the housing 1 during assembly. After assembly, the HDMI interface 22 is located at the first through hole 11, and the MIPI interface 23 is located at the second through hole 12, so that the bobo neon connection is performed. In addition, the input end 241 of the power circuit 24 is exposed at the rear side 15 of the housing 1. Specifically, a third through hole (not shown) is also disposed at the rear side surface 15, and the input end 241 is located at the third through hole.

Specifically, the first through hole 11 and the second through hole 12 are disposed at a front side 14 of the housing 1 and are disposed side by side. Thus, the input and output can be conveniently plugged.

In other embodiments, the video signal conversion apparatus of the present technology further includes a connection card 3, and the connection of the video signal conversion apparatus and the external device is realized through the connection card 3. Specifically, referring to fig. 7, which is a schematic structural diagram of the connection clamping plate 3, a clamping groove 31 is formed in the middle portion of the connection clamping plate 3, lug plates 32 are respectively and outwardly extended on two sides of the connection clamping plate 3, a through hole 321 capable of being screwed with an external object through a screw is formed in each lug plate 32, the connection clamping plate 3 is specifically connected with the housing 1 when in use, and then the external device is fixedly connected with the lug plates 32 on two sides.

In the technical scheme, two assembling positions in different positions are arranged. Specifically, referring to fig. 1, the front side surface 14 has a first engaging portion 141 capable of engaging with the card slot 31; when assembling, the connecting card board 3 is connected with the first matching portion 141 in a matching manner, the ear plates 32 at two sides of the connecting card board 3 are exposed at two sides of the front side surface 14, and then are fixedly connected with external equipment through the ear plates 32, as shown in fig. 8. Through this mode, realized 1 front side of casing and external device fixed connection. The first matching portion 141 is formed by a closed first groove 142 provided at the edge of the front side 14, specifically, the closed first groove 142 is provided inward the front side 14, the peripheral side of the first groove 142 is penetrated through each side of the housing 1, and the shape and size of the first matching portion 141 are matched with the card slot 31. Thus, when assembling, the engaging groove 31 of the connecting card 3 is inserted into the first engaging portion 141, and the connecting card 3 and the housing 1 are fixed.

Referring to fig. 9, the bottom end surface 16 of the housing 1 has a second fitting portion 161 capable of fitting with the card slot 31. Wherein, this second cooperation portion 161 is enclosed by the second recess 162 that sets up in the bottom face 16 of casing 1, the shape and the size of second cooperation portion 161 with draw-in groove 31 phase-match, and the left and right sides of second recess 162 and the left and right sides of casing 1 run through, conveniently connect the connection of cardboard 3 like this. When the connecting card 3 is connected with the second matching part 161 in a matching way, the ear plates 32 on two sides of the connecting card 3 expose two sides of the bottom end surface 16. In this way, the bottom of the housing 32 is fixedly connected with an external device, see fig. 10.

Specifically, the two schemes in the scheme are connected through the matching of the clamping groove 31 and the corresponding matching part. Specifically, the connecting clamping plate 3 is fixedly connected or buckled with the shell 1 through threads. Can realize connecting cardboard 3 and casing 1 through the screw and fix or through set up the buckle and be connected with the knot hole lock that sets up in casing 1 department connecting cardboard 3. It should be understood that the front side fixation is achieved by the mating connection with the first mating portion 141 and the bottom connection is achieved by the mating connection with the second mating portion 161, both ways meeting the assembly requirements of two different applications.

In a word, the technical scheme of the utility model video signal conversion equipment has been satisfied the conversion demand of video signal form, and on the other hand also satisfies different fixed positions's fixed for arrange relatively in a flexible way.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A video signal conversion apparatus, comprising:

a housing (1) configured to have a first through hole (11), a second through hole (12), and a housing inner cavity, the first through hole (11) and the second through hole (12) communicating with the housing inner cavity, respectively; and

the signal converter (2) is configured to be provided with a signal conversion chip (21), an HDMI (high-definition multimedia interface) interface (22) and an MIPI (mobile industry processor interface) interface (23), wherein the HDMI interface (22) is connected with the input end of the signal conversion chip (21) and used for inputting a first video signal, and the MIPI interface (23) is connected with the output end of the signal conversion chip (21) and used for outputting a second video signal obtained after the signal conversion chip (21) converts;

wherein the HDMI interface (22) is provided at the first via (11) and the MIPI interface (23) is provided at the second via (12).

2. A video signal conversion apparatus according to claim 1, wherein:

the model of the signal conversion chip (21) is LT 6911C.

3. A video signal conversion apparatus according to claim 2, wherein:

the signal converter (2) further comprises a power supply circuit (24), the power supply circuit (24) is provided with an input end (241) and a first buck converter (242) and a second buck converter (243) which are respectively electrically connected with the input end, and voltage output ends of the first buck converter (242) and the second buck converter (243) are respectively electrically connected with two power supply input ends of the signal conversion chip (21);

wherein the first buck converter (242) is a 3.3V buck and the second buck converter (243) is a 1.2V buck.

4. A video signal conversion apparatus according to claim 1, wherein:

the signal conversion chip (21) is also connected with an oscillator (25) for providing a clock signal.

5. A video signal conversion apparatus according to any one of claims 1 to 4, wherein:

the first through hole (11) and the second through hole (12) are arranged at a front side surface (14) of the shell (1) and are arranged side by side.

6. A video signal conversion apparatus according to claim 3, wherein:

the input end (241) of the power circuit (24) is exposed at the rear side (15) of the shell (1).

7. A video signal conversion apparatus according to claim 5, wherein:

the video signal conversion device also comprises a connecting clamping plate (3), the middle part of the connecting clamping plate (3) is provided with a clamping groove (31), two sides of the connecting clamping plate (3) are respectively provided with lug plates (32) in an outward extending mode, and a through hole (321) capable of being fixed with an external object through a screw is formed in each lug plate (32);

wherein the front side surface (14) is provided with a first matching part (141) capable of matching with the card slot (31), and the bottom end surface (16) of the shell (1) is provided with a second matching part (161) capable of matching with the card slot (31); when the connecting clamping plate (3) is matched and connected with the first matching part (141), the lug plates (32) at two sides of the connecting clamping plate (3) are exposed at two sides of the front side surface (14); when the connecting clamping plate (3) is matched and connected with the second matching part (161), the lug plates (32) on two sides of the connecting clamping plate (3) expose two sides of the bottom end surface (16).

8. A video signal conversion apparatus according to claim 7, wherein:

the connecting clamping plate (3) is fixedly connected or buckled with the shell (1) through threads.