CN117040972A - New energy automobile gateway with power control - Google Patents
New energy automobile gateway with power control Download PDFInfo
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- CN117040972A CN117040972A CN202311280677.0A CN202311280677A CN117040972A CN 117040972 A CN117040972 A CN 117040972A CN 202311280677 A CN202311280677 A CN 202311280677A CN 117040972 A CN117040972 A CN 117040972A
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- 238000004891 communication Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
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- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The application relates to the technical field of network communication of new energy automobiles, in particular to a new energy automobile gateway with power control.
Description
Technical Field
The application relates to the technical field of network communication of new energy automobiles, in particular to a new energy automobile gateway with power control.
Background
The existing new energy automobile uses a gateway and a large number of domain controllers to control the automobile, and the gateway has the function of connecting the same and different communication protocol vehicle-mounted electronic devices, so that different vehicle-mounted electronic devices can be mutually matched in the whole automobile network for use, thereby completing all the functions of controlling the automobile, information interaction, audio and video entertainment and the like. The domain controller of the new energy automobile is mostly responsible for controlling the same attribute or controlling the vehicle-mounted electronic equipment in the area. With the gradual increase of the integration level and the complexity of the vehicle-mounted electronic equipment, the combination of the gateway and the domain controller is more obvious. Because the gateway is typically placed under the cockpit instrumentation, and the domain controller responsible for the information and entertainment systems is also placed under the cockpit instrumentation. To a certain extent, the gateway passes the information to the infotainment domain controller, which then performs the control information. The control information is transmitted to the information entertainment domain controller through the connector and the wire harness by the gateway, and then the opening or closing of the corresponding vehicle-mounted electronic equipment is controlled, two pairs of connectors and part of wire harnesses are added in the prior art, information transmission nodes are added, the processing time for encoding and decoding information is increased, the vehicle manufacturing cost is increased, and the manufacturing difficulty of the whole vehicle is increased.
Disclosure of Invention
Therefore, the present application aims to provide a new energy automobile gateway with power control, so as to overcome the problem that the existing new energy automobile gateway transmits information to an infotainment domain controller, and then the infotainment domain controller executes control information, thereby increasing the control time of an information transmission node.
In order to achieve the above purpose, the application adopts the following technical scheme:
the application provides a new energy automobile gateway with power control, which comprises:
the information receiving module is used for acquiring control information input by a user;
the gateway control module is used for analyzing the control information, and if the control information is information entertainment domain control information, the gateway control module controls a switching circuit connected with an I/O port according to the analyzed control information so as to control vehicle-mounted electronic equipment of the new energy automobile;
and the isolation circuit module is arranged between the I/O port and the switch circuit and is used for protecting the I/O port of the gateway control module from being damaged by the current surge of the switch circuit.
Further, in the new energy automobile gateway with power control described above, the gateway control module is further configured to determine a domain controller to which the control information belongs if the control information is not information entertainment domain control information, and send the control information to the domain controller through a corresponding I/O port.
Further, the new energy automobile gateway with power control described above, the domain controller at least includes: a powertrain domain controller, a body electronics domain controller, and a chassis domain controller.
Further, in the new energy automobile gateway with power control described above, the control information acquired by the information receiving module is sent by a physical key or a touch screen.
Further, the new energy automobile gateway with power control described above, the gateway control module includes: and a gateway MCU.
Further, the new energy automobile gateway with power control described above, the switching circuit includes: MOS tube switch circuit.
The beneficial effects of the application are as follows:
the application is provided with an information receiving module which is used for acquiring control information input by a user; the gateway control module is used for analyzing the control information, and if the control information is information entertainment domain control information, the gateway control module controls a switching circuit connected with the I/O port according to the analyzed control information so as to control the vehicle-mounted electronic equipment of the new energy automobile; and the isolation circuit module is arranged between the I/O port and the switch circuit and is used for protecting the I/O port of the gateway control module from being damaged by the current surge of the switch circuit. In the application, a switch circuit is added on the basis of the existing new energy automobile gateway, and the switching-on and switching-off of the switch circuit is controlled by utilizing the residual I/O port resources of the gateway, so that the control of the new energy automobile vehicle-mounted electronic equipment is realized, the whole control flow which originally needs the gateway to forward the control information to the domain controller is simplified to be directly controlled by the gateway to receive the control information, the intermediate environment transmission environment is reduced, the I/O port resources of the gateway MCU are fully utilized, the information transmission node is reduced, and the control time is shortened.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a new energy vehicle gateway with power control according to an embodiment of the present application;
fig. 2 is a CAN bus data frame information table provided by an embodiment of a new energy automobile gateway with power control according to the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, based on the examples herein, which are within the scope of the application as defined by the claims, will be within the scope of the application as defined by the claims.
The gateway passes the information to the infotainment domain controller, which then performs control information. The control information is transmitted to the information entertainment domain controller through the connector and the wire harness by the gateway, and then the opening or closing of the corresponding vehicle-mounted electronic equipment is controlled, two pairs of connectors and part of wire harnesses are added in the prior art, information transmission nodes are added, the processing time for encoding and decoding information is increased, the vehicle manufacturing cost is increased, and the manufacturing difficulty of the whole vehicle is increased.
Therefore, the present application aims to provide a new energy automobile gateway with power control, so as to overcome the problem that the existing new energy automobile gateway transmits information to an infotainment domain controller, and then the infotainment domain controller executes control information, thereby increasing the control time of an information transmission node.
Fig. 1 is a schematic structural diagram of a new energy automobile gateway with power control according to an embodiment of the present application. Referring to fig. 1, the present embodiment may include:
the information receiving module 1 is used for acquiring control information input by a user;
the gateway control module 2 is used for analyzing the control information, and if the control information is information entertainment domain control information, the gateway control module controls the switching circuit 3 connected with the I/O port according to the analyzed control information so as to realize the control of the vehicle-mounted electronic equipment of the new energy automobile;
and the isolation circuit module 4 is arranged between the I/O port and the switch circuit 3 and is used for protecting the I/O port of the gateway control module 2 from being damaged by the current surge of the switch circuit.
It can be understood that the application is provided with an information receiving module for acquiring control information input by a user; the gateway control module is used for analyzing the control information, and if the control information is information entertainment domain control information, the gateway control module controls a switching circuit connected with the I/O port according to the analyzed control information so as to control the vehicle-mounted electronic equipment of the new energy automobile; and the isolation circuit module is arranged between the I/O port and the switch circuit and is used for protecting the I/O port of the gateway control module from being damaged by the current surge of the switch circuit. In the application, a switch circuit is added on the basis of the existing new energy automobile gateway, and the switching-on and switching-off of the switch circuit is controlled by utilizing the residual I/O port resources of the gateway, so that the control of the new energy automobile vehicle-mounted electronic equipment is realized, the whole control flow which originally needs the gateway to forward the control information to the domain controller is simplified to be directly controlled by the gateway to receive the control information, the intermediate environment transmission environment is reduced, the I/O port resources of the gateway MCU are fully utilized, the information transmission node is reduced, and the control time is shortened.
Preferably, the gateway control module is further configured to determine a domain controller to which the control information belongs if the control information is not information entertainment domain control information, and send the control information to the domain controller through a corresponding I/O port.
Preferably, the domain controller includes at least: a powertrain domain controller, a body electronics domain controller, and a chassis domain controller.
Preferably, the control information acquired by the information receiving module is sent by a physical key or a touch screen.
Preferably, the gateway control module includes: and a gateway MCU.
Preferably, the switching circuit includes: MOS tube switch circuit.
It can be understood that the embodiment adds the MOS tube switch circuit based on the existing common new energy automobile gateway, and utilizes the excessive I/O port resources of the gateway MCU to control the MOS tube switch circuit, thereby realizing the full utilization of the gateway MCU resources, reducing the manufacturing cost of the whole automobile by one domain controller, reducing the number of controllers, reducing the length of the wire harness, the number of connectors and the possibility of communication congestion. And an isolation circuit is added between the gateway MCU and the MOS tube switch circuit and used for protecting the MCU I/O port from being damaged by the current surge of the MOS tube switch circuit. In some optional embodiments, when a specific new energy automobile electronic device is controlled, software algorithm writing is performed according to a control rule specified by a protocol, so that the on-vehicle electronic device to be controlled can be accurately turned on or off.
Taking the CAN bus communication protocol as an example, as shown in fig. 2, PS 1-PS 8 are used as target addresses, the prior art scheme is to set the target address of the information entertainment domain controller, the gateway is changed into the target address, and when the gateway recognizes the information sent to the gateway, the gateway performs control according to the content in the data segment. The definition of each data segment of the CAN bus data frame is shown in table 1.
Table 1CAN bus data frame each data segment definition table
The control information is shown in table 2, and the position of the BYTE represents the corresponding control information, and when the BYTE information changes, the gateway with power control controls the corresponding MOS tube switch circuit to be turned on or off, so that the corresponding device is turned on or off. For example, when BYTE1 is "1", the radio request signal is closed, i.e., the radio function is turned on. The gateway controls the MOS transistor switch circuit to transmit the radio signal to the radio to make the radio work. For example, when BYTE4 is "1", a seat heating request signal is sent, and the corresponding MOS tube is controlled to be closed by the gateway with power control at this time, so that the specific feature of heating the seat heating component is provided by the power supply.
Table 2 control information table
It is to be understood that the same or similar parts in the above embodiments may be referred to each other, and that in some embodiments, the same or similar parts in other embodiments may be referred to.
It should be noted that in the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present application, unless otherwise indicated, the meaning of "plurality" means at least two.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It is to be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (6)
1. A new energy automobile gateway with power control, comprising:
the information receiving module is used for acquiring control information input by a user;
the gateway control module is used for analyzing the control information, and if the control information is information entertainment domain control information, the gateway control module controls a switching circuit connected with an I/O port according to the analyzed control information so as to control vehicle-mounted electronic equipment of the new energy automobile;
and the isolation circuit module is arranged between the I/O port and the switch circuit and is used for protecting the I/O port of the gateway control module from being damaged by the current surge of the switch circuit.
2. The new energy automobile gateway with power control according to claim 1, wherein,
the gateway control module is further configured to determine a domain controller to which the control information belongs if the control information is not information entertainment domain control information, and send the control information to the domain controller through a corresponding I/O port.
3. The new energy vehicle gateway with power control of claim 2, wherein the domain controller comprises at least: a powertrain domain controller, a body electronics domain controller, and a chassis domain controller.
4. The gateway with power control according to claim 3, wherein the control information acquired by the information receiving module is sent by a physical key or a touch screen.
5. The new energy automobile gateway with power control of claim 4, wherein the gateway control module comprises: and a gateway MCU.
6. The new energy automobile gateway with power control of claim 5, wherein the switching circuit comprises: MOS tube switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311280677.0A CN117040972A (en) | 2023-10-07 | 2023-10-07 | New energy automobile gateway with power control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311280677.0A CN117040972A (en) | 2023-10-07 | 2023-10-07 | New energy automobile gateway with power control |
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2023
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| CN103777589A (en) * | 2012-10-26 | 2014-05-07 | 中国北车股份有限公司 | Remote control system for locomotive rolling platform test |
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