CN217846941U - Power CAN network system and engineering equipment - Google Patents
Power CAN network system and engineering equipment Download PDFInfo
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Abstract
The utility model provides a power CAN network system and engineering equipment. One of them power CAN network system includes: a first type of data transmission apparatus, the first type of data transmission apparatus comprising: data transmission devices with high failure rates and/or data transmission devices with non-calibratable baud rates. The second type of data transmission device comprises: data transmission means other than the first type of data transmission means. The first power CAN bus comprises a first type data transmission device. The second power CAN bus comprises a second type data transmission device. And the fault information on the first power CAN bus is transmitted to the second power CAN bus through the gateway controller. When the first type of data transmission device breaks down, the power CAN network system CAN prevent the situation that the engineering equipment cannot be normally started due to the fact that all controllers connected to a power CAN bus cannot communicate. Meanwhile, space is reserved for upgrading the communication baud rate of the original power CAN, and the flexibility of the power CAN bus is improved.
Description
This application claims priority from chinese patent application, filed on 29/6/2022 with the chinese intellectual property office under the application number 202221639336.9, entitled "power CAN network system and engineering equipment", the entire contents of which are incorporated herein by reference.
Technical Field
The utility model relates to an engineering equipment control technical field particularly, relates to a power CAN network system and engineering equipment.
Background
At present, the whole vehicle network topology of mainstream traditional fuel vehicles used in the market is composed of four CAN buses, namely a power CAN (PT CAN), a vehicle Body CAN (Body CAN), a chassis CAN (CH CAN) and an entertainment CAN (Info CAN), as well as a T-Box and a VCU, wherein the T-Box and the VCU are connected to the power CAN through CAN serial ports with respect to controllers and sensors related to power transmission.
Because the front/rear nitrogen oxide sensor of the engine and the urea liquid level temperature sensor in the aftertreatment SCR system are arranged at the exhaust rear end of the engine, the working environment is relatively severe, and a socket open circuit or a water inlet short circuit is easy to occur.
In the prior art, a controller and a sensor on a power CAN bus are both related to power output and transmission, and once the controller or the sensor is opened, torsion limiting and speed limiting measures CAN be triggered for safety protection. If the controller or the sensor is in short circuit, the whole power CAN bus enters a paralyzed state because the CAN bus consists of two twisted pairs with voltage difference, the controllers cannot communicate, and the vehicle cannot be started normally. The controller or the sensor on the power CAN is directly connected to the power CAN bus, the working environment of part of the sensors is not considered, and when the fault-prone controller or the sensor is open-circuited or short-circuited, the controller on the whole CAN bus receives fault information to trigger safety protection and even the CAN bus is paralyzed; the communication baud rate of the CAN bus needs to be upgraded synchronously by adopting the uncalibrated sensor and other controllers on the same bus, so that the communication baud rate of part of the controllers and the sensors CAN not be calibrated.
Therefore, how to prevent the breakdown of the CAN bus and improve the flexibility of the power CAN bus is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
To this end, the utility model discloses a first aspect provides a power CAN network system.
A second aspect of the present invention provides an engineering apparatus.
In view of this, the utility model discloses a first aspect provides a power CAN network system, includes: a first type of data transmission apparatus, the first type of data transmission apparatus comprising: data transmission devices with high failure rates and/or data transmission devices with uncalibrated baud rates; a second type of data transfer device, the second type of data transfer device comprising: all data transmission devices except the first type of data transmission device are required to be connected in the power CAN network system; the first power CAN bus comprises a first type data transmission device; the second power CAN bus comprises a second type data transmission device; and the fault information on the first power CAN bus is transmitted to the second power CAN bus through the gateway controller.
The utility model provides a power CAN network system includes: the first kind of data transmission device and the second kind of data transmission device. A first type of data transmission device comprises: data transmission devices with high failure rates and/or data transmission devices with non-calibratable baud rates. The second type of data transmission device includes: all but the first type of data transmission devices require data transmission devices connected in the power CAN network system. The first power CAN bus comprises a first type data transmission device; the second power CAN bus comprises a second type data transmission device; and the fault information on the first power CAN bus is transmitted to the second power CAN bus through the gateway controller. The power CAN bus is divided into two power CAN buses, the data transmission device with high failure rate and/or the first type of data transmission device with uncalibrated baud rate are/is arranged on the first power CAN bus, and the second type of data transmission device which is except the first type of data transmission device and is related to power output and transmission and needs to be connected with the power CAN network system is arranged on the second power CAN bus, so that the whole power CAN bus cannot enter a breakdown state when the first type of data transmission device fails, the situation that all controllers connected on the power CAN bus cannot communicate and engineering equipment cannot be started normally is prevented. Since the first type of data transmission device is often disposed at a location with high temperature or high pressure or a harsh environment in the engineering equipment, the first type of data transmission device is often more easily damaged.
It should be noted that, the power CAN network system provided by the present application is added with a power CAN bus on the basis of the existing system. Therefore, the space is reserved for upgrading the communication baud rate of the power CAN connected to the original second power CAN bus, and the flexibility of the power CAN bus is improved.
In specific application, when the first type of data transmission device has an open-circuit fault, the first power bus cannot send the acquired signals, and the gateway controller cannot receive the signals and sends corresponding fault information to the second power CAN bus after a certain time. And further realize the fault monitoring to first power CAN bus.
According to the utility model provides a power CAN network system CAN also have following additional technical characterstic:
in some possible designs, the second power CAN bus comprises: t-box, TCU, VCU, instrument, diagnosis port, engine controller ECU.
In this design, the second power CAN bus comprises: t-box, TCU, VCU, instrument, diagnosis port, engine controller ECU. Namely, the engine controller ECU and the first type data transmission device are arranged on different power CAN buses. When the first type of data transmission device has an open-circuit fault, the first power bus cannot send the acquired signals, and the gateway controller cannot receive the signals and sends corresponding fault information to the T-box, the TCU, the VCU, the instrument, the diagnostic port and the engine controller ECU after a certain time. And then realize the fault monitoring to first power CAN bus to CAN control the engine, guaranteed that the engine CAN normal work. The situation that the controllers connected to the power CAN bus cannot communicate and the engineering equipment cannot be started normally is prevented.
In some possible designs, the first type of data transmission device includes: a front nitrogen-oxygen sensor and/or a urea level quality sensor and/or a rear nitrogen-oxygen sensor.
In this design, the first type of data transmission device includes: one or more of a front nitrogen-oxygen sensor, a urea level quality sensor, a rear nitrogen-oxygen sensor. Preceding nitrogen oxygen sensor, urea liquid level quality sensor and back nitrogen oxygen sensor all set up in engine exhaust rear end, and operational environment is comparatively abominable, appears inserting socket opening or the short circuit of intaking easily, belongs to the data transmission device of high fault rate. Therefore, the front nitrogen-oxygen sensor, the urea liquid level quality sensor and the rear nitrogen-oxygen sensor are arranged on the first power CAN bus, other data transmission devices (namely, the second type data transmission devices) are arranged on the second power CAN bus, and when one of the front nitrogen-oxygen sensor, the urea liquid level quality sensor and the rear nitrogen-oxygen sensor is prevented from being damaged, the controllers connected to the power CAN bus cannot communicate, and engineering equipment cannot be normally started.
In some possible designs, the gateway controller CAN convert the baud rate of the CAN signal to realize indirect communication between data transmission devices supporting different communication baud rates.
In the design, the gateway controller CAN convert the Baud rate of the CAN signal, and realize indirect communication between data transmission devices supporting different communication Baud rates. Because the baud rates of different data transmission devices are not completely the same, the baud rates of the CAN signals need to be converted during transmission, so that the data transmission devices with different communication baud rates CAN be communicated with each other.
In some possible designs, the gateway controller includes: the communication interface is connected to the first power CAN bus and/or the second power CAN bus; the communication interface supports communication at a plurality of baud rates.
In this design, the gateway controller includes: and the communication interface is connected to the first power CAN bus and/or the second power CAN bus. If the gateway controller is arranged on the first power CAN bus, the communication interface is arranged for connecting the second power CAN bus, or the gateway controller is arranged on the second power CAN bus, and the communication interface is arranged for connecting the first power CAN bus or the gateway controller is provided with a connection communication interface for simultaneously connecting the first power CAN bus and the second power CAN bus. Therefore, information on the first power CAN bus is transmitted to the second power CAN bus. The communication interface supports communication at a plurality of baud rates. And the CAN signals with different baud rates CAN be further transmitted during transmission, so that the data transmission devices with different communication baud rates CAN communicate with each other.
In some possible designs, the second power CAN bus comprises: and a communication interface is additionally arranged in the T-box, the T-box and the first type of data transmission device form a first power CAN bus, and the T-box is used as a gateway controller.
In this design, the second power CAN bus comprises: and the T-box is additionally provided with a communication interface, the T-box and the first type of data transmission device form a first power CAN bus, and the T-box is used as a gateway controller. Through regard as gateway controller with the T-box that originally just sets up on second power CAN bus, reduced design cost, guaranteed simultaneously CAN separately go on first power CAN bus and second power CAN bus. When the fault monitoring of the first power CAN bus is realized, the engine CAN be controlled, and the normal work of the engine is ensured. The situation that the controllers connected to the power CAN bus cannot communicate and the engineering equipment cannot be started normally is prevented.
In some possible designs, the power CAN network system further includes: an engine controller ECU; a communication interface is additionally arranged on an engine controller ECU, the engine controller ECU and a first type data transmission device form a first power CAN bus, and the engine controller ECU is used as a gateway controller.
In this design, the power CAN network system further includes: an engine controller ECU; a communication interface is additionally arranged on an engine controller ECU, the engine controller ECU and a first class data transmission device form a first power CAN bus, and the engine controller ECU is used as a gateway controller. The ECU of the engine controller which must be arranged in the engineering equipment is used as a gateway controller, so that the design cost is reduced, and the first power CAN bus and the second power CAN bus CAN be separately carried out. When the fault monitoring of the first power CAN bus is realized, the engine CAN be controlled, and the normal work of the engine CAN be ensured. The situation that the controllers connected to the power CAN bus cannot communicate and the engineering equipment cannot be started normally is prevented.
In some possible designs, the power CAN network system further includes: a post-processing controller DCU; a communication interface is additionally arranged on the post-processing controller DCU, the post-processing controller DCU and the first type of data transmission device form a first power CAN bus, and the post-processing controller DCU serves as a gateway controller.
In this design, the power CAN network system further includes: a post-processing controller DCU; a communication interface is additionally arranged on the post-processing controller DCU, the post-processing controller DCU and the first type of data transmission device form a first power CAN bus, and the post-processing controller DCU serves as a gateway controller. The post-processing controller DCU which must be arranged in the power CAN network system is used as a gateway controller, so that the design cost is reduced, and the first power CAN bus and the second power CAN bus CAN be separately carried out. When the fault monitoring of the first power CAN bus is realized, the engine CAN be controlled, and the normal work of the engine is ensured. The situation that the controllers connected to the power CAN bus cannot communicate and the engineering equipment cannot be started normally is prevented.
In some possible designs, the communication interface is a serial port supporting communication at 2 or more baud rates of 250Kbps, 500Kbps and 1000 Kbps.
In the design, the communication interface is a serial port supporting communication at 2 or more baud rates in 250Kbps, 500Kbps and 1000Kbps, so that CAN signals with different baud rates CAN be transmitted during transmission, and communication among data transmission devices with different communication baud rates CAN be guaranteed.
The utility model discloses technical scheme of second aspect provides an engineering equipment, include: the power CAN network system according to any one of the above first aspect solutions. Therefore the utility model provides a have the utility model discloses the whole beneficial effect of arbitrary technical scheme's in the first aspect power CAN network system.
The engineering apparatus may include: the construction equipment comprises heavy trucks, trailers, excavators, anchor driving machines, bulldozers, road rollers, concrete pump trucks and other operation vehicles, or tower cranes, construction elevators, material elevators and other mechanical operation equipment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic structural diagram of a power CAN network system according to an embodiment of the present invention.
Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:
1 a first power CAN bus, 10 a first type data transmission device, 12 a front nitrogen-oxygen sensor, 14 a urea liquid level quality sensor, 16 a rear nitrogen-oxygen sensor, 2 a second power CAN bus, 20 a second type data transmission device, 21T-box, 22 TCU,24 VCU,26 instruments, 28 diagnosis ports and 29 an engine controller ECU.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A power CAN network system according to some embodiments of the present invention is described below with reference to fig. 1.
Example one
As shown in fig. 1, according to an embodiment of the present invention, the utility model provides a power CAN network system, include: a first type of data transmission device 10, the first type of data transmission device 10 comprising: data transmission means with a high failure rate and/or data transmission means with a non-calibratable baud rate; a second type of data transmission device 20, the second type of data transmission device 20 comprising: all data transmission devices except the first type data transmission device 10 need to be connected in the power CAN network system; the power CAN bus comprises a first power CAN bus 1, wherein the first power CAN bus 1 comprises a first type data transmission device 10; the second power CAN bus 2, the second power CAN bus 2 includes the second kind of data transmission device 20; the fault information on the first power CAN bus 1 is transmitted to the second power CAN bus 2 through the gateway controller.
The utility model provides a power CAN network system includes: a first type of data transmission device 10 and a second type of data transmission device 20. The first type of data transmission device 10 comprises: data transmission devices with high failure rates and/or data transmission devices with non-calibratable baud rates. The second type of data transmission device 20 includes: all but the first type of data transmission device 10 require a data transmission device connected in the power CAN network system. The power CAN bus comprises a first power CAN bus 1, wherein the first power CAN bus 1 comprises a first type data transmission device 10; the second power CAN bus 2, the second power CAN bus 2 includes the second kind of data transmission device 20; the fault information on the first power CAN bus 1 is transmitted to the second power CAN bus 2 through the gateway controller. The power CAN bus is divided into two power CAN buses, the data transmission device with high fault rate and/or the first type data transmission device 10 with uncollibable baud rate are arranged on the first power CAN bus 1, and the second type data transmission device 20 which is related to power output and transmission and needs to be connected with a power CAN network system except the first type data transmission device 10 is arranged on the second power CAN bus 2, so that the whole power CAN bus cannot enter a paralysis state when the first type data transmission device 10 breaks down, and the situations that all controllers connected to the power CAN bus cannot communicate and engineering equipment cannot be started normally are prevented. Since the first type of data transmission device 10 is often disposed at a location with high temperature or high pressure or harsh environment in the engineering equipment, the first type of data transmission device 10 is often more easily damaged.
It should be noted that, the power CAN network system provided by the present application is added with a power CAN bus on the basis of the existing system. Therefore, the communication baud rate of the power CAN connected to the original second power CAN bus 2 is upgraded to reserve space, and the flexibility of the power CAN bus is improved.
In a specific application, when the first type of data transmission device 10 has an open-circuit fault, the first power bus cannot send the acquired signal, and the gateway controller will send corresponding fault information on the second power CAN bus 2 after the gateway controller cannot receive the signal for a certain time. And further realize the fault monitoring to first power CAN bus 1.
According to the utility model provides a power CAN network system CAN also have following additional technical characterstic:
in some possible designs, the second power CAN bus 2 includes: t-box 21, TCU 22, VCU 24, meter 26, diagnostics port 28, engine controller ECU29.
In this embodiment, as shown in fig. 1, the second power CAN bus 2 includes: t-box 21, TCU 22, VCU 24, meter 26, diagnostics port 28, engine controller ECU29. That is, the engine controller ECU29 and the first type data transmission device 10 are provided on different power CAN buses. When the first type of data transmission device 10 has an open-circuit fault, the first power bus cannot transmit the acquired signal, and the gateway controller cannot receive the signal for more than a certain time and transmits corresponding fault information to the T-box 21, the TCU 22, the VCU 24, the instrument 26, the diagnostic port 28 and the engine controller ECU29. And then realize the fault monitoring to first power CAN bus 1 to CAN control the engine, guarantee that the engine CAN normal work. The situation that the controllers connected to the power CAN bus cannot communicate and the engineering equipment cannot be started normally is prevented.
In some possible designs, the first type of data transmission device 10 includes: a front nox sensor 12 and/or a urea level quality sensor 14 and/or a rear nox sensor 16.
In this embodiment, as shown in fig. 1, the first type data transmission device 10 includes: one or more of a front nox sensor 12, a urea level quality sensor 14, a rear nox sensor 16. The front nitrogen-oxygen sensor 12, the urea liquid level quality sensor 14 and the rear nitrogen-oxygen sensor 16 are all arranged at the rear end of the exhaust of the engine, the working environment is severe, a socket opening or a water inlet short circuit is easy to occur, and the device belongs to a data transmission device with high failure rate. Therefore, the front nitrogen-oxygen sensor 12, the urea liquid level quality sensor 14 and the rear nitrogen-oxygen sensor 16 are arranged on the first power CAN bus 1, and other data transmission devices (namely, the second data transmission device 20) are arranged on the second power CAN bus 2, so that when one of the front nitrogen-oxygen sensor 12, the urea liquid level quality sensor 14 and the rear nitrogen-oxygen sensor 16 is prevented from being damaged, the controllers connected to the power CAN bus cannot communicate, and the engineering equipment cannot be started normally.
In some possible designs, the gateway controller CAN convert the baud rate of the CAN signal to realize indirect communication between data transmission devices supporting different communication baud rates.
In the embodiment, the gateway controller CAN convert the Baud rate of the CAN signal to realize indirect communication between the data transmission devices supporting different communication Baud rates. Because the baud rates of different data transmission devices are not completely the same, the baud rates of the CAN signals need to be converted during transmission, so that the data transmission devices with different communication baud rates CAN be communicated with each other.
In some possible designs, the gateway controller includes: the communication interface is connected to the first power CAN bus 1 and/or the second power CAN bus 2; the communication interface supports communication at a plurality of baud rates.
In this embodiment, the gateway controller includes: and the communication interface is connected to the first power CAN bus 1 and/or the second power CAN bus 2. If the gateway controller is arranged on the first power CAN bus 1, the communication interface is arranged for connecting the second power CAN bus 2, or the gateway controller is arranged on the second power CAN bus 2, and the communication interface is arranged for connecting the first power CAN bus 1 or the gateway controller is provided with a connection communication interface for simultaneously connecting the first power CAN bus 1 and the second power CAN bus 2. Thus, information on the first power CAN bus 1 is transmitted to the second power CAN bus 2. The communication interface supports communication at a plurality of baud rates. The CAN signals with different baud rates CAN be further transmitted during transmission, so that communication among data transmission devices with different communication baud rates CAN be ensured.
In some possible designs, the second power CAN bus 2 includes: the T-box 21 is additionally provided with a communication interface, the T-box 21 and the first type data transmission device 10 form a first power CAN bus 1, and the T-box 21 is used as a gateway controller.
Example two
In addition to the first embodiment, the present embodiment explains the gateway controller. The second power CAN bus 2 in this embodiment comprises: the T-box 21 is additionally provided with a communication interface, the T-box 21 and the first type data transmission device 10 form a first power CAN bus 1, and the T-box 21 is used as a gateway controller. By using the T-box 21, which is originally provided on the second power CAN bus 2, as a gateway controller, the design cost is reduced, and it is ensured that the first power CAN bus 1 and the second power CAN bus 2 CAN be separately performed. When the fault monitoring of the first power CAN bus 1 is realized, the engine CAN be controlled, and the normal work of the engine is ensured. The situation that all controllers connected to the power CAN bus cannot communicate and cannot be started normally by a project is prevented.
EXAMPLE III
In addition to the first embodiment, the present embodiment explains the gateway controller. In this embodiment, the power CAN network system further includes: the engine controller ECU 29; a communication interface is additionally arranged on the engine controller ECU29, the engine controller ECU29 and the first type data transmission device 10 form a first power CAN bus 1, and the engine controller ECU29 is used as a gateway controller. By using the engine controller ECU29, which must be provided in the power CAN network system, as a gateway controller, the design cost is reduced while ensuring that the first power CAN bus 1 and the second power CAN bus 2 CAN be separately implemented. When the fault monitoring of the first power CAN bus 1 is realized, the engine CAN be controlled, and the normal work of the engine is ensured. The situation that the controllers connected to the power CAN bus cannot communicate and the engineering equipment cannot be started normally is prevented.
Example four
In addition to the first embodiment, the present embodiment explains the gateway controller. In this embodiment, the power CAN network system further includes: the post-processing controller DCU. As shown in fig. 1, a communication interface is added to the post-processing controller DCU, the post-processing controller DCU and the first type data transmission device 10 form a first power CAN bus 1, and the post-processing controller DCU serves as a gateway controller. The post-processing controller DCU which must be arranged in the power CAN network system is used as a gateway controller, so that the design cost is reduced, and the first power CAN bus 1 and the second power CAN bus 2 CAN be separately carried out. When the fault monitoring of the first power CAN bus 1 is realized, the engine CAN be controlled, and the normal work of the engine is ensured. The situation that the controllers connected to the power CAN bus cannot communicate and the engineering equipment cannot be started normally is prevented.
In some possible designs, the communication interface is a serial port supporting communication at 2 or more baud rates of 250Kbps, 500Kbps and 1000 Kbps.
In the embodiment, the communication interface is a serial port supporting communication at 2 or more baud rates in 250Kbps, 500Kbps and 1000Kbps, so that CAN signals with different baud rates CAN be transmitted during transmission, and communication among data transmission devices with different communication baud rates CAN be ensured.
An embodiment of the second aspect of the present invention provides an engineering apparatus, including: the power CAN network system of any one of the above first aspect embodiments. Therefore the utility model provides an engineering equipment has the utility model discloses the whole beneficial effect of the power CAN network system of arbitrary embodiment in the first aspect.
The engineering equipment can comprise heavy trucks, trailers, excavators, anchor driving machines, bulldozers, road rollers, concrete pump trucks and other operation equipment, or mechanical operation equipment such as tower cranes, construction elevators, material elevators and the like.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A power CAN network system, comprising:
a first type of data transmission device, the first type of data transmission device comprising: data transmission devices with high failure rates and/or data transmission devices with uncalibrated baud rates;
a second type of data transmission device, the second type of data transmission device comprising: all data transmission devices except the first type of data transmission device are required to be connected in the power CAN network system;
the first power CAN bus comprises the first type data transmission device;
the second power CAN bus comprises the second type data transmission device;
and the fault information on the first power CAN bus is transmitted to the second power CAN bus through a gateway controller.
2. The power CAN network system of claim 1 wherein the second power CAN bus comprises:
t-box, TCU, VCU, instrument, diagnosis port, engine controller ECU.
3. The power CAN network system of claim 1 wherein said first type of data transmission means comprises:
a front nitrogen-oxygen sensor and/or a urea level quality sensor and/or a rear nitrogen-oxygen sensor.
4. The powered CAN network system of claim 1,
the gateway controller CAN convert the Baud rate of the CAN signal to realize indirect communication between data transmission devices supporting different communication Baud rates.
5. The powered CAN network system of claim 4,
the gateway controller includes:
the communication interface is connected to the first power CAN bus and/or the second power CAN bus;
the communication interface supports communication at various baud rates.
6. The power CAN network system of claim 5 wherein said second power CAN bus comprises: the number of the T-box is as follows,
and adding one communication interface to the T-box, wherein the T-box and the first type data transmission device form a first power CAN bus, and the T-box is used as the gateway controller.
7. The power CAN network system of claim 5, further comprising: an engine controller ECU;
and adding one communication interface to the engine controller ECU, wherein the engine controller ECU and the first type data transmission device form a first power CAN bus, and the engine controller ECU is used as the gateway controller.
8. The power CAN network system of claim 5, further comprising: a post-processing controller DCU;
and adding a communication interface to the post-processing controller DCU, wherein the post-processing controller DCU and the first type of data transmission device form a first power CAN bus, and the post-processing controller DCU is used as the gateway controller.
9. The powered CAN network system of any one of claims 5 to 8,
the communication interface is a serial port supporting communication of 2 or more baud rates in 250Kbps, 500Kbps and 1000 Kbps.
10. An engineering plant, characterized in that it comprises a power CAN network system as claimed in claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022216393369 | 2022-06-29 | ||
| CN202221639336 | 2022-06-29 |
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|---|---|
| CN217846941U true CN217846941U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221843550.6U Active CN217846941U (en) | 2022-06-29 | 2022-07-18 | Power CAN network system and engineering equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116155645A (en) * | 2023-02-27 | 2023-05-23 | 上海中韩杜科泵业制造有限公司 | CAN bus-based equipment network access method, device, equipment and medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116155645A (en) * | 2023-02-27 | 2023-05-23 | 上海中韩杜科泵业制造有限公司 | CAN bus-based equipment network access method, device, equipment and medium |
| CN116155645B (en) * | 2023-02-27 | 2023-09-22 | 上海中韩杜科泵业制造有限公司 | CAN bus-based equipment network access method, device, equipment and medium |
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