CN112083381A - Fusion perception hardware system - Google Patents
Fusion perception hardware system Download PDFInfo
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- CN112083381A CN112083381A CN202010964870.6A CN202010964870A CN112083381A CN 112083381 A CN112083381 A CN 112083381A CN 202010964870 A CN202010964870 A CN 202010964870A CN 112083381 A CN112083381 A CN 112083381A
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- 230000004927 fusion Effects 0.000 title claims abstract description 10
- 230000008447 perception Effects 0.000 title abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 abstract 1
- 230000006855 networking Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
Abstract
The application relates to a fuse perception hardware system belongs to car networking technical field, and this system includes: a first POE input interface; the camera is connected with the first POE input interface; a second POE input interface; the POE converter comprises a POE converter input interface, a protocol output interface and a power supply interface which are connected with the second POE input interface; the radar sensor is connected with the protocol output interface through a preset protocol bus, and the radiator and the radar sensor are connected with the power supply interface; the first POE input interface, the camera, the second POE input interface, the POE converter, the preset protocol bus, the radar sensor and the radiator are inherited in the same fusion module; the problems of low installation efficiency of the camera and the radar and complex system wiring can be solved; the connecting mode of the camera and the radar can be simplified, and the installation efficiency is improved; the system power supply and heat dissipation requirements can be met, and meanwhile, the protocol conversion function is provided.
Description
Technical Field
The application relates to a fusion perception hardware system, and belongs to the technical field of internet of vehicles.
Background
In a system with a camera and millimeter waves integrated, the conventional scheme is that an interface of the camera is powered by a power line and transmits data by a network cable, and the interface is divided into two lines; the vehicle-end radar is a common CAN port or a latest CAN FD interface in the automobile industry, and needs two wires for supplying power by a 12V power supply. With the increase of the number of sensing units, the connection mode causes the problems of complex system connection and low installation efficiency.
Disclosure of Invention
The application provides a fuse perception hardware system, can solve the problem that the installation effectiveness of camera and radar is lower, system wiring is complicated. The application provides the following technical scheme: the system comprises:
a first active Ethernet POE input interface;
the camera is connected with the first POE input interface;
a second POE input interface;
the POE converter comprises a POE converter input interface, a protocol output interface and a power supply interface which are connected with the second POE input interface;
the radar sensor is connected with the protocol output interface through a preset protocol bus;
the radiator, the radar sensor and the preset protocol bus are connected with the power supply interface;
the first POE input interface, the camera, the second POE input interface, the POE converter, the preset protocol bus, the radar sensor and the radiator are all inherited in the same fusion module.
Optionally, the preset protocol bus is a controller area network bus CAN; or can be a controller area network bus CANFD with flexible data rates.
Optionally, the POE converter includes a protocol conversion module, where the protocol conversion module is configured to convert a POE protocol corresponding to the POE converter input interface into the preset protocol; the preset protocol is a data transmission protocol supported by the radar sensor.
Optionally, the protocol conversion module is an ethernet/serial converter.
Optionally, the POE converter includes a voltage conversion module, where the voltage conversion module is configured to convert a voltage corresponding to the input interface of the POE converter into a preset voltage; the preset voltage is a power supply voltage supported by the radar sensor.
Optionally, the voltage conversion module is a voltage conversion circuit.
Optionally, the preset voltage is 12V.
Optionally, the radar sensor comprises a millimeter wave radar sensor.
The beneficial effect of this application lies in: setting a first POE input interface; the camera is connected with the first POE input interface; a second POE input interface; the POE converter comprises a POE converter input interface, a protocol output interface and a power supply interface which are connected with the second POE input interface; the radar sensor is connected with the protocol output interface through a preset protocol bus and is also connected with the power supply interface; the radiator is connected with the power supply interface; the system comprises a first POE input interface, a camera, a second POE input interface, a POE converter, a preset protocol bus, a radar sensor and a radiator, wherein the first POE input interface, the camera, the second POE input interface, the POE converter, the preset protocol bus, the radar sensor and the radiator are inherited in the same fusion module; the problems of low installation efficiency of the camera and the radar and complex system wiring can be solved; because through fusing camera and radar in same module, this module outside only needs two POE interfaces, consequently, can simplify the connected mode of camera and radar, improves the installation effectiveness. Meanwhile, the power supply and heat dissipation requirements of the system can be met by installing the POE interface and the heat radiator; while providing protocol conversion functionality.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clear and clear, and to implement the technical solutions according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.
Drawings
FIG. 1 is a block diagram of a fusion-aware hardware system according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a fusion-aware hardware system according to another embodiment of the present application.
Detailed Description
The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
First, several terms referred to in the present application will be described.
Active Ethernet (Power Over Ethernet, POE): the method refers to a technology for providing direct current power supply for IP-based terminals (such as an IP telephone, a wireless local area network Access Point (AP), a network camera and the like) while transmitting data signals for the terminals without changing the existing Ethernet Cat.5 wiring infrastructure. The POE technology can ensure the safety of the existing structured wiring and ensure the normal operation of the existing network, thereby reducing the cost to the maximum extent.
POE is also known as Power over LAN (Power over LAN) or Active Ethernet (Active Ethernet), sometimes referred to simply as POE, which is a latest standard specification for simultaneously transferring data and electric Power using an existing standard Ethernet transmission cable and maintains compatibility with existing Ethernet systems and users.
A Controller Area Network (CAN) bus is a serial communication protocol bus for real-time applications, which CAN use twisted pair wires to transmit signals, and is one of the most widely used field buses in the world. The CAN protocol is used for communication between various components in an automobile, thereby replacing expensive and bulky wiring harnesses.
CAN FD (CAN with Flexible Data rate) inherits the main characteristics of CAN bus. The CAN bus adopts a two-wire serial communication protocol, is based on a non-destructive arbitration technology, is distributed in real-time control, and has high safety due to a reliable error processing and detecting mechanism, but the bandwidth and the data field length of the CAN bus are limited. The CAN FD bus CAN make up for the limitation of the CAN bus bandwidth and the data field length.
Fig. 1 is a schematic structural diagram of a fusion-aware hardware system according to an embodiment of the present application, and as shown in fig. 1, the system at least includes:
a first POE input interface 10;
the camera 11 is connected with the first POE input interface;
a second POE input interface 12;
a POE converter 13, including a POE converter input interface 131, a protocol output interface 132, and a power supply interface 133, which are connected to the second POE input interface 12;
the radar sensor 15 is connected with the protocol output interface 131 through the preset protocol bus 14, and the radar sensor 15 is also connected with the power supply interface 133;
a heat sink 16 connected to the power supply interface 133; the predetermined protocol bus 14 is also connected to the power supply interface 133.
The first POE input interface 10, the camera 11, the second POE input interface 12, the POE converter 13, the preset protocol bus 14, the radar sensor 15, and the radiator 16 are all inherited in the same fusion module.
Presetting a protocol bus as a Controller Area Network (CAN) bus; or can be a controller area network bus CANFD with flexible data rates.
Optionally, referring to fig. 2, the POE converter 13 includes a protocol conversion module, where the protocol conversion module is configured to convert a POE protocol corresponding to the POE converter input interface into a preset protocol; the preset protocol is a data transmission protocol supported by the radar sensor. One end of the protocol conversion module is a POE converter input interface 131, and the other end is a power supply interface 133.
The protocol conversion module is an Ethernet/serial port converter. Such as: the protocol conversion module converts the Ethernet interface into a CAN interface; alternatively, the block converts the ethernet interface to a CANFD interface.
Optionally, referring to fig. 2, the POE converter 13 includes a voltage conversion module, where the voltage conversion module is configured to convert a voltage corresponding to the input interface of the POE converter into a preset voltage; the preset voltage is a supply voltage supported by the radar sensor. One end of the voltage conversion module is a POE converter input interface 131, and the other end is a protocol output interface 132.
The voltage conversion module is a voltage conversion circuit. Such as: the preset voltage is 12V, and the voltage conversion module converts the voltage of 48V into 12V.
Optionally, the radar sensor 15 includes a millimeter wave radar sensor and/or a laser sensor, and of course, other types of radar sensors may also be implemented, and the implementation manner of the radar sensor 15 is not limited in this embodiment.
In fig. 1, the camera 11 and the radar sensor 15 are taken as an example for explanation, in actual implementation, the number of the camera 11 and the radar sensor 15 may be multiple, and the connection manner is the same as that shown in fig. 1, and the number of the camera 11 and the radar sensor 15 is not limited in this embodiment.
The heat sink 16 is used for dissipating heat of the entire fusion module, and optionally, the heat sink 16 may be a heat sink, a fan, or the like, and the implementation manner of the heat sink 16 is not limited in this embodiment.
In summary, the fusion-aware hardware system provided in this embodiment sets the first POE input interface; the camera is connected with the first POE input interface; a second POE input interface; the POE converter comprises a POE converter input interface, a protocol output interface and a power supply interface which are connected with the second POE input interface; the radar sensor is connected with the protocol output interface through a preset protocol bus and is also connected with the power supply interface; the radiator is connected with the power supply interface; the system comprises a first POE input interface, a camera, a second POE input interface, a POE converter, a preset protocol bus, a radar sensor and a radiator, wherein the first POE input interface, the camera, the second POE input interface, the POE converter, the preset protocol bus, the radar sensor and the radiator are inherited in the same fusion module; the problems of low installation efficiency of the camera and the radar and complex system wiring can be solved; because through fusing camera and radar in same module, this module outside only needs two POE interfaces, consequently, can simplify the connected mode of camera and radar, improves the installation effectiveness. Meanwhile, the power supply and heat dissipation requirements of the system can be met by installing the POE interface and the heat radiator; while providing protocol conversion functionality.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A fusion-aware hardware system, the system comprising:
a first active Ethernet POE input interface;
the camera is connected with the first POE input interface;
a second POE input interface;
the POE converter comprises a POE converter input interface, a protocol output interface and a power supply interface which are connected with the second POE input interface;
the radar sensor is connected with the protocol output interface through a preset protocol bus;
the radiator, the radar sensor and the preset protocol bus are connected with the power supply interface;
the first POE input interface, the camera, the second POE input interface, the POE converter, the preset protocol bus, the radar sensor and the radiator are all inherited in the same fusion module.
2. The system of claim 1, wherein the pre-defined protocol bus is a controller area network bus (CAN); or can be a controller area network bus CANFD with flexible data rates.
3. The system of claim 1, wherein the POE converter comprises a protocol conversion module, and the protocol conversion module is configured to convert a POE protocol corresponding to the POE converter input interface into the preset protocol; the preset protocol is a data transmission protocol supported by the radar sensor.
4. The system of claim 3, wherein the protocol conversion module is an Ethernet/serial converter.
5. The system of claim 1, wherein the POE converter comprises a voltage conversion module, and the voltage conversion module is configured to convert a voltage corresponding to the POE converter input interface into a preset voltage; the preset voltage is a power supply voltage supported by the radar sensor.
6. The system of claim 5, wherein the voltage conversion module is a voltage conversion circuit.
7. The system of claim 4, wherein the preset voltage is 12V.
8. The system of claim 1, wherein the radar sensor comprises a millimeter wave radar sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010964870.6A CN112083381A (en) | 2020-09-15 | 2020-09-15 | Fusion perception hardware system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010964870.6A CN112083381A (en) | 2020-09-15 | 2020-09-15 | Fusion perception hardware system |
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| US20070019560A1 (en) * | 2005-07-19 | 2007-01-25 | Rosemount Inc. | Interface module with power over ethernet function |
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