CN115902104A - Exhaust emission monitoring terminal and monitoring system - Google Patents

Abstract

The application relates to a tail gas emission monitoring terminal and a monitoring system. The tail gas emission monitoring terminal is used for monitoring a tail gas emission system of the mobile machine. The first port group of exhaust emission monitor terminal is used for communicating with the electronic control unit of mobile machinery, and the second port group of exhaust emission monitor terminal is used for communicating with the sensing module of mobile machinery, and exhaust emission monitor terminal is used for acquireing exhaust emission system's first exhaust emission data through first port group, still is used for acquireing exhaust emission system's second exhaust emission data through second port group. The application of exhaust emission monitor terminal, port kind is abundant, can be connected with various types of sensing unit, and then can acquire various first exhaust emission data, the second exhaust emission data that remove machinery, and the exhaust emission condition of real-time supervision removal machinery has improved exhaust emission monitor terminal's compatibility and practicality.

Description

Exhaust emission monitoring terminal and monitoring system

technical field

The application relates to the technical field of environmental protection engineering, in particular to an exhaust emission monitoring terminal for monitoring the exhaust emitted by mobile machinery and a monitoring system with the exhaust emission monitoring terminal.

Background technique

Due to the deteriorating ecological environment and global warming, in order to reduce the pollution emitted by non-road mobile machinery, the state has formulated and issued various standards for environmental protection and vehicle exhaust emissions. However, there is currently a lack of effective monitoring methods for mobile machinery exhaust emissions on the market, and it is imminent to realize the monitoring of mechanical vehicle exhaust emissions.

In view of this, how to realize effective monitoring of mobile machinery exhaust emission is a problem to be solved urgently by those skilled in the art.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of this application is to provide a tail gas emission monitoring terminal and a monitoring system. Various types of ports of the tail gas emission monitoring terminal can be connected with various types of sensing units, thereby obtaining various The first exhaust emission data and the second exhaust emission data of the mobile machinery monitor the exhaust emission of the mobile machinery in real time, which improves the compatibility and practicability of the exhaust emission monitoring terminal.

In a first aspect, the present application provides an exhaust emission monitoring terminal for monitoring an exhaust emission system of a mobile machine. The exhaust emission monitoring terminal includes a first port group and a second port group, the first port group is used to communicate with the electronic control unit of the mobile machine, and the second port group is used to communicate with the mobile machine Sensing module communication, the tail gas emission monitoring terminal is used to obtain the first tail gas emission data of the tail gas emission system through the first port group, and is also used to obtain the tail gas emission data of the tail gas emission system through the second port group Second exhaust emission data.

In an exemplary embodiment, the sensing module includes one or more of a nitrogen and oxygen sensing unit, a particle sensing unit, a temperature sensing unit, and a pressure sensing unit, and the second exhaust emission data includes nitrogen One or more of oxide concentration, particulate matter concentration, temperature data, or pressure data.

In an exemplary embodiment, the second port group includes a first port, and the sensing module includes a nitrogen and oxygen sensing unit, and the nitrogen and oxygen sensing unit is used for real-time sensing of nitrogen oxidation of the exhaust emission system concentration; the first port is connected to the nitrogen and oxygen sensing unit, and is used to acquire the nitrogen oxide concentration of the exhaust emission system sensed by the nitrogen and oxygen sensing unit.

In an exemplary embodiment, the second port group includes a second port, the sensing module includes a particle sensing unit, and the particle sensing unit is configured to sense the concentration of particulate matter in the exhaust emission system in real time; The second port is connected to the particle sensing unit, and is used to acquire the particle concentration of the exhaust emission system sensed by the particle sensing unit.

In an exemplary embodiment, the second port group includes a third port, and the sensing module includes a temperature sensing unit for sensing the temperature of the exhaust emission system of the mobile machine in real time Data; the third port is connected to the temperature sensing unit, and is used to acquire the temperature data of the exhaust emission system sensed by the temperature sensing unit.

In an exemplary embodiment, the second port group includes a fourth port, and the sensing module includes a pressure sensing unit for sensing pressure data in the exhaust emission system in real time; The fourth port is connected to the pressure sensing unit to acquire pressure data in the exhaust emission system sensed by the pressure sensing unit.

In an exemplary embodiment, the exhaust emission monitoring terminal further includes a communication module, a data acquisition module electrically connected to the communication module, a plane positioning module and a space positioning module, the data acquisition module, the plane positioning Both the module and the spatial positioning module are connected to the mobile machine; the first port group and the second port group are set in the data acquisition module, and the data acquisition module passes the first port group and the second port group The second port is connected to the mobile machine to obtain the first exhaust emission data and the second exhaust emission data; the plane positioning module and the spatial positioning module are used to obtain the operation of the mobile machine data.

In an exemplary embodiment, the casing of the exhaust emission monitoring terminal is made of waterproof and dustproof materials.

In an exemplary embodiment, the first exhaust emission data includes at least one or more of operating condition data, fuel consumption data, operation data, diagnosis data, and fault data of the mobile machine, and the first port group It is the interface of on-board automatic diagnosis system.

In a second aspect, the present application provides a monitoring system for monitoring the exhaust emission system of a mobile machine. The monitoring system includes a monitoring platform and the above-mentioned tail gas emission monitoring terminal, the tail gas emission monitoring terminal communicates with the monitoring platform, and the first tail gas emission data and the second tail gas emission data acquired by the tail gas emission monitoring terminal The emission data is transmitted to the supervision platform, so that the supervision platform can monitor the exhaust emission system of the mobile machinery in real time.

To sum up, in the tail gas emission monitoring terminal and monitoring system of the present application, the first port group and the second port group are set in the tail gas emission monitoring terminal, the ports are rich in types, and can be connected with various types of sensing units, and then The first exhaust emission data, the second exhaust emission data, and the operation data of various mobile machinery can be obtained, so that the monitoring system can monitor the exhaust emission of the mobile machinery in real time, and at the same time, carry out fault diagnosis on the mobile machinery and take timely countermeasures to improve The compatibility and practicability of the tail gas emission monitoring terminal are ensured.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a monitoring system disclosed in an embodiment of the present application;

FIG. 2 is a schematic diagram of a usage scenario of the monitoring system shown in FIG. 1;

Fig. 3 is a schematic diagram of the connection between the exhaust emission monitoring terminal shown in Fig. 1 and the mobile machine;

Fig. 4 is a schematic structural diagram of the tail gas emission monitoring terminal shown in Fig. 1 .

Detailed ways

In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Preferred embodiments of the application are shown in the accompanying drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the application more thorough and comprehensive.

The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments that the present application can be used to implement. The serial numbers assigned to components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. The "connection" and "connection" mentioned in this application all include direct and indirect connection (connection) unless otherwise specified. The directional terms mentioned in this application, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., only is to refer to the direction of the attached drawings. Therefore, the direction terms used are for better and clearer description and understanding of the present application, rather than indicating or implying that the referred device or element must have a specific orientation, and must have a specific orientation. construction and operation, therefore should not be construed as limiting the application.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Ground connection, or integral connection; can be mechanical connection; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations. It should be noted that the terms "first" and "second" in the specification and claims of the present application and the drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the term "comprising", "may include", "comprises", or "may include" used in this application indicates the existence of the corresponding disclosed functions, operations, elements, etc., and does not limit other one or more more Functions, operations, components, etc. In addition, the term "comprises" or "comprises" means that there are corresponding features, numbers, steps, operations, elements, components or combinations thereof disclosed in the specification, and does not exclude the existence or addition of one or more other features, numbers, steps, Operations, elements, components, or combinations thereof, are intended to cover non-exclusive inclusions. It should be noted that the terms "step 1" and "step 2" in the specification and claims of the present application and the drawings are used to distinguish different objects, rather than to describe a specific sequence. It should also be understood that the meaning of "at least one" described herein is one or more, such as one, two or three, etc., and the meaning of "multiple" is at least two, such as two or three etc., unless expressly and specifically defined otherwise.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terminology used herein in the description of the application is only for the purpose of describing specific embodiments, and is not intended to limit the application.

Please refer to FIG. 1 and FIG. 2 . FIG. 1 is a schematic structural diagram of a monitoring system 100 disclosed in an embodiment of the present application. FIG. 2 is a schematic diagram of a usage scenario of the monitoring system 100 shown in FIG. 1 . As shown in Figures 1 and 2, in the embodiment of the present application, the monitoring system 100 is used to monitor the exhaust emission system of the mobile machine 200, wherein the mobile machine 200 may at least include an electronic control unit 210 and a sensing module 220.

In the embodiment of the present application, the monitoring system 100 may at least include an exhaust emission monitoring terminal 10 and a monitoring platform 30 . The exhaust emission monitoring terminal 10 communicates with the supervision platform 30, and the exhaust emission monitoring terminal 10 may at least include a first port group 11 for communicating with the electronic control unit 210 of the mobile machine 200 and for communicating with the The second port group 12 for communication with the sensing module 220 of the mobile machine 200, the exhaust emission monitoring terminal 10 acquires the first exhaust emission data of the exhaust emission system through the first port group 11, and also through the second port group 11 The two-port group 12 acquires the second exhaust emission data of the exhaust emission system.

The tail gas emission monitoring terminal 10 is also used to transmit the first tail gas emission data and the second tail gas emission data to the supervision platform 30, so that the supervision platform 30 can monitor the mobile machinery 200 in real time .

In the embodiment of the present application, the mobile machine 200 includes an exhaust gas discharge system, and the exhaust gas discharge system is used to discharge the waste gas generated during the operation of the mobile machine 200 out of the mobile machine 200 , that is, into the air. The exhaust emission system may mainly include a catalytic converter and a diesel particulate filter (Diesel Particulate Filter, DPF), wherein the catalytic converter is mainly used to convert harmful gases in the exhaust gas into harmless gases to the human body. The diesel particulate filter mainly traps particles through its surface and internal filter devices, so as to reduce particulate matter in the gas emitted by the mobile machine 200 .

In the embodiment of the present application, the exhaust emission monitoring terminal 10 and the supervision platform 30 may adopt wireless interactive communication, which is not specifically limited in the present application.

In the embodiment of the present application, the electronic control unit 210 (Electronic Control Unit, ECU) is also called "driving computer", "vehicle computer" and so on. The composition of the electronic control unit mainly includes a microcontroller (MicroController Unit, MCU), a memory, an input/output interface (I/O), an analog-to-digital converter (Analog-to-Digital Converter, ADC) and shaping, driving, etc. Scale integrated circuits.

Please also refer to FIG. 3 . FIG. 3 is a schematic diagram of the connection between the exhaust emission monitoring terminal 10 and the mobile machine 200 shown in FIG. 1 . As shown in FIG. 3 , in some embodiments of the present application, the sensing module 220 includes but not limited to nitrogen and oxygen sensing unit 221 , particle sensing unit 222 , temperature sensing unit 223 and pressure sensing unit 224 One or more, the sensing module 220 is used to supplement the acquisition of exhaust emission data not obtained from the electronic control unit 210, that is, the second exhaust emission data for subsequent exhaust emission monitoring, which is not discussed in the present application. Make specific restrictions.

In the embodiment of the present application, the nitrogen and oxygen sensing unit 221 may be a NOx nitrogen and oxygen sensor, the particle sensing unit 222 may be a PM particle sensor, the temperature sensing unit 223 may be a temperature sensor, and the pressure The sensing unit 224 may be a pressure sensor.

In the embodiment of the present application, the exhaust emission monitoring terminal 10 is provided with a second port group 12 that can communicate with various sensors (that is, the above-mentioned sensing units). The second port group 12 includes information related to various sensors. Matching various ports. Thus, the exhaust emission monitoring terminal 10 can communicate with various sensing modules 220 configured on the mobile machine 200 to obtain the second exhaust emission data of the mobile machine 200, and then the second exhaust gas The emission data is transmitted to the monitoring platform 30 for monitoring the subsequent exhaust emission of the mobile machine 200 .

In the embodiment of the present application, the mobile machine 200 may be a non-road mobile machine, such as an excavator, an excavator, a bulldozer, or a loader, or a land mobile machine, such as a car, a train, or a motorcycle, or a Ships and other mobile machinery. It can be understood that the mobile machinery 200 that needs to monitor its exhaust gas can be used as the application subject of the monitoring system 100 provided in this application, and this application does not specifically limit it.

Please continue to refer to FIG. 3 , in the embodiment of the present application, the first port group 11 is connected to the electronic control unit 210 to realize interactive communication between the exhaust emission monitoring terminal 10 and the electronic control unit 210 . The first port group 11 of the exhaust emission monitoring terminal 10 obtains the first exhaust emission data of the mobile machine 200 in real time through the electronic control unit 210 . The tail gas emission monitoring terminal 10 transmits the obtained first tail gas emission data to the monitoring platform 30, and the monitoring platform 30 monitors the tail gas emission system of the mobile machine 200 according to the received first tail gas emission data. Wherein, the first exhaust emission data may include but not limited to: at least one or more of working condition data, fuel consumption data, operation data, diagnosis data and fault data of the mobile machine 200 .

In a specific embodiment of the present application, the tail gas emission monitoring terminal 10 may transmit the real-time acquired first tail gas emission data and second tail gas emission data to the monitoring platform 30 through wireless communication or other means. Furthermore, based on the first exhaust emission data and the second exhaust emission data acquired in real time, the management department can view various exhaust emission data in the background to realize remote monitoring.

In a specific embodiment of the present application, the first port group 11 may be an on-board diagnostic system (On-Board Diagnostics, OBD) interface, and the OBD interface may be connected to the controller area network (Controller Area Network) of the mobile machine 200. , CAN) bus connection. Specifically, the OBD interface is connected to the diagnostic interface of the CAN bus to realize interactive communication between the exhaust emission monitoring terminal 10 and the electronic control unit 210 .

As shown in Figure 3, in the embodiment of the present application, when it is necessary to supplement the monitoring of the concentration of nitrogen oxides (NOx) in the exhaust emission system of the mobile machine 200, the mobile machine 200 can correspondingly supplement the NOx sensor A unit 221 , the nitrogen and oxygen sensing unit 221 is used for real-time sensing of the concentration of nitrogen oxides in the exhaust emission system of the mobile machine 200 . Correspondingly, the second port group 12 includes a first port 121, and the first port 121 is connected to the nitrogen and oxygen sensing unit 221 to obtain the exhaust gas sensed by the nitrogen and oxygen sensing unit 221 NOx concentration in the exhaust system. The exhaust emission monitoring terminal 10 transmits the obtained concentration of nitrogen oxides to the monitoring platform 30 , and the monitoring platform 30 assists in judging whether the exhaust emission system of the mobile machine 200 is qualified according to the concentration of nitrogen oxides. It can be understood that, at this time, the second tail gas emission data is the concentration of nitrogen oxides.

In a specific embodiment of the present application, the first port 121 may be connected to a controller area network (Controller Area Network, CAN) bus of the mobile machine 200 . Specifically, the first port 121 is connected to the diagnostic interface of the CAN bus to realize signal transmission between the exhaust emission monitoring terminal 10 and the nitrogen and oxygen sensing unit 221 .

In the embodiment of the present application, the nitrogen oxides (NOx) may be at least one or more of nitrogen oxides including but not limited to N2O, NO, N2O4 and N2O5, which are not specifically limited in the present application.

In a specific embodiment of the present application, the nitrogen and oxygen sensing unit 221 may be a NOx nitrogen oxygen sensor, which is not specifically limited in the present application. It should be noted that the first port 121 can be connected to multiple NOx nitrogen oxygen sensors, that is, it supports the access of multiple NOx nitrogen oxygen sensors to obtain different concentrations of nitrogen oxides in exhaust emissions.

As shown in FIG. 3 , in the embodiment of the present application, when it is necessary to supplementary monitoring of the particle concentration in the exhaust emission system of the mobile machine 200, the mobile machine 200 may include a particle sensing unit 222 accordingly, the particle sensor The measuring unit 222 is used for real-time sensing the particle concentration in the exhaust emission system of the mobile machine 200 . Correspondingly, the second port group 12 may include a second port 122, and the second port 122 is connected to the particle sensing unit 222, so as to obtain the exhaust emission sensed by the particle sensing unit 222. The particle concentration of the system. The tail gas emission monitoring terminal 10 transmits the obtained particulate matter concentration to the monitoring platform 30, and the monitoring platform 30 assists in judging whether the exhaust gas emission of the mobile machine 200 is qualified according to the particulate matter concentration. It can be understood that, at this time, the second tail gas emission data is the particle concentration.

In a specific embodiment of the present application, the second port 122 may be a 485 communication interface, and the 485 communication interface is connected to the particle sensing unit 222 to realize the exhaust emission monitoring terminal 10 and the particle sensing The signals of unit 222 are transmitted interactively.

In the embodiment of the present application, the particulate matter may include but not limited to at least one or more of PM2.5, PM1, PM0.5, or PM0.3. Wherein, the PM means fine particulate matter (particulate matter).

In a specific embodiment of the present application, the particle sensing unit 222 may be a PM particle sensor, specifically a photoelectric PM sensor, a high-voltage current PM sensor, etc., which is not specifically limited in the present application. It can be understood that, at this time, the second tail gas emission data is the particle concentration.

As shown in FIG. 3 , in the embodiment of the present application, when the temperature data in the exhaust emission system of the mobile machine 200 needs to be additionally monitored, the mobile machine 200 includes a temperature sensing unit 223 correspondingly, and the temperature sensing unit 223 The unit 223 is used to sense the temperature data of the exhaust emission system of the mobile machine 200 in real time. Correspondingly, the second port group 12 may include a third port 123, and the third port 123 is connected to the temperature sensing unit 223, so as to acquire the temperature of the mobile machine sensed by the temperature sensing unit 223. 200 temperature data of the exhaust system. The exhaust emission monitoring terminal 10 transmits the acquired temperature data of the exhaust emission system to the monitoring platform 30, and the monitoring platform 30 assists in judging whether the exhaust emission system is normal according to the temperature data. When the supervision platform 30 judges that the exhaust emission system of the mobile machine 200 is abnormally heated according to the temperature data, it can quickly issue an alarm signal.

It can be understood that, at this time, the second exhaust emission data is temperature data.

In a specific embodiment of the present application, the third port 123 may be an IIC interface, and the IIC interface is connected to the temperature sensing unit 223 to realize the exhaust emission monitoring terminal 10 and the temperature sensing unit 223 signal transmission.

In a specific embodiment of the present application, the exhaust emission monitoring terminal 10 is connected to the temperature sensing unit 223 through the third port 123 to monitor the temperature data of the exhaust emission system in real time. The exhaust emission monitoring terminal 10 transmits the acquired temperature data of the exhaust emission system to the monitoring platform 30, and the monitoring platform 30 assists in judging whether the exhaust emission system is normal according to the temperature data. When the exhaust emission monitoring terminal 10 determines that the exhaust emission system of the mobile machine 200 is abnormally heated according to the temperature data, it can quickly send out an alarm signal to protect the exhaust emission system of the mobile machine 200 and prevent malfunctions caused by high temperature. For example, when the catalytic conversion device heats up abnormally, the tail gas emission monitoring terminal 10 can quickly send out an alarm signal.

In a specific embodiment of the present application, the temperature sensing unit 223 may be a temperature sensor, which is not specifically limited in the present application. It should be noted that the third port 123 can be connected with multiple temperature sensors, that is, it supports the access of multiple temperature sensors, so as to obtain the temperatures of different positions in the exhaust gas emission system.

As shown in Fig. 3, in the embodiment of the present application, when the pressure data in the exhaust emission system of the mobile machine 200 needs to be monitored supplementarily, the mobile machine 200 is correspondingly provided with a pressure sensing unit 224, the pressure sensor The measuring unit 224 is used to sense the pressure data in the exhaust emission system of the mobile machine 200 in real time. Correspondingly, the second port group 12 may include a fourth port 124, and the fourth port 124 is connected to the pressure sensing unit 224 to obtain the exhaust emission sensed by the pressure sensing unit 224. Pressure data in the system. The exhaust emission monitoring terminal 10 transmits the acquired pressure data to the monitoring platform 30, and the monitoring platform 30 judges whether the exhaust emission system is blocked according to the pressure data. When the exhaust emission monitoring terminal 10 judges that the exhaust emission system is blocked according to the pressure data, corresponding measures can be taken in time. It can be understood that, at this time, the second exhaust emission data is pressure data.

In a specific embodiment of the present application, when the pressure data is abnormal due to clogging of the diesel particulate trap, the exhaust emission monitoring terminal 10 can take corresponding measures in time.

In a specific embodiment of the present application, the fourth port 124 may be an integrated circuit bus (Inter-Integrated Circuit, IIC) interface, and the IIC interface is connected with the pressure sensing unit 224 to realize the exhaust emission monitoring Signal transmission between the terminal 10 and the pressure sensing unit 224 .

In a specific embodiment of the present application, the pressure sensing unit 224 may be a pressure sensor, which is not specifically limited in the present application.

In the embodiment of the present application, the exhaust emission monitoring terminal 10 is provided with a fourth port 124, which can be connected to the pressure sensing unit 224 to obtain pressure data in the exhaust emission system, which is especially suitable for DPF upgrade of the exhaust emission system Application scenarios of renovation and black smoke control.

In the embodiment of the present application, if the second exhaust emission data requiring supplementary detection is multiple types of nitrogen oxide concentration, particulate matter concentration, temperature data or pressure data, the mobile machine 200 is set correspondingly to the second tail gas emission data requiring supplementary detection. The two sensing units match the exhaust emission data to form the sensing module 220 . Further, the tail gas emission monitoring terminal 10 communicates with the sensing module 220 to obtain the second tail gas emission data. Correspondingly, the second tail gas emission data includes, but is not limited to: one or more of nitrogen oxide concentration, particulate matter concentration, temperature data or pressure data.

In the embodiment of the present application, the second port group 12 is set, and the second port group 12 includes at least one or more of the first port 121, the second port 122, the third port 123 or the fourth port 124 There are many types of ports, which realize communication with the above-mentioned various sensing units, improve the compatibility and adaptability of the exhaust emission monitoring terminal 10, and can be used for monitoring the exhaust emission systems of various mobile machines 200.

Please also refer to FIG. 4 . FIG. 4 is a schematic structural diagram of the tail gas emission monitoring terminal 10 shown in FIG. 1 . In the embodiment of the present application, the exhaust emission monitoring terminal 10 may at least include a communication module 102 , and a data acquisition module 105 , a plane positioning module 106 and a spatial positioning module 108 electrically connected to the communication module 102 . Wherein, the data collection module 105 , the plane positioning module 106 and the space positioning module 108 are connected to the mobile machine 200 . The first port group 11 and the second port group 12 can be set in the data collection module 105, so that the data collection module 105 can be connected with the mobile machine 200, and then obtain the first exhaust emission data and the second exhaust emission data. The planar positioning module 106 and the spatial positioning module 108 are used to acquire the operation data of the mobile machine 200 . The tail gas emission monitoring terminal 10 is used to transmit the obtained first tail gas emission data, the second tail gas emission data and the operation data to the supervision platform 30 through the communication module 102 .

In the embodiment of the present application, the operation data mainly refers to the position information of the mobile machine 200, including two-dimensional and three-dimensional position information. The monitoring platform 30 can monitor the trajectory and running conditions of the mobile machine 200 according to the received running data, and further obtain driving behavior, fuel consumption, track tracking, etc. based on this. In this way, the monitoring platform 30 can assist in monitoring the exhaust emission system of the mobile machine 200, so as to avoid errors in the data collected by the data collection module 105, which will affect the accuracy of monitoring the exhaust emission system.

In the embodiment of the present application, the communication module 102 may be a wireless full network communication module, the plane positioning module 106 may be a high-precision positioning module, and the spatial positioning module 108 may be a three-axis gravity sensor. No specific restrictions are made.

In some embodiments of the present application, the plane positioning module 106 may be a centimeter-level positioning module, at this time, the motion trajectory of the mobile machine 200 can be accurately obtained, and then the motion trajectory and operating conditions of the mobile machine 200 can be accurately obtained, To further obtain accurate driving behavior, fuel consumption, track tracking, etc., this application does not make specific limitations on this.

In the embodiment of the present application, the exhaust emission monitoring terminal 10 can implement the IP67 standard to achieve dustproof and waterproof, that is, the casing of the exhaust emission monitoring terminal 10 is made of waterproof and dustproof materials, and can be used in ships and other underwater environments. Mobile machinery 200 on land. Wherein, the IP67 refers to a protection safety level (Ingress Protection Rating).

To sum up, in the tail gas emission monitoring terminal 10 and the monitoring system 100 of the present application, the tail gas emission monitoring terminal 10 is provided with a first port group 11 and a second port group 12, the ports are rich in types, and can be connected with various types of sensors The measuring unit is connected, and then the first exhaust emission data, the second exhaust emission data and the operation data of various mobile machines 200 can be obtained. In order to realize the monitoring system 100 to monitor the exhaust emission of the mobile machine 200 in real time, and to diagnose the fault of the mobile machine 200 and make timely countermeasures, the compatibility and practicability of the exhaust emission monitoring terminal 10 are improved.

In addition, the exhaust emission monitoring terminal 10 implements IP67, can be waterproof and dustproof, can be used in various types of mobile machines 200, can adapt to various working environments, and has strong adaptability.

In the description of this specification, reference to the terms "one embodiment", "some embodiments", "exemplary embodiments", "example", "specific examples" or "some examples" etc. The specific features, structures, materials or features described in the manner or example are 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 embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

All possible combinations of the various technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on the appended claims.

Claims (10)

1. An exhaust emission monitoring terminal for monitoring the exhaust emission system of a mobile machine, characterized in that the exhaust emission monitoring terminal includes a first port group and a second port group, and the first port group is used for communicate with the electronic control unit of the mobile machine, the second port group is used to communicate with the sensing module of the mobile machine, and the exhaust emission monitoring terminal is used to obtain the exhaust emission through the first port group The first exhaust emission data of the system is also used to obtain the second exhaust emission data of the exhaust emission system through the second port group. 2. The tail gas emission monitoring terminal according to claim 1, wherein the sensing module includes one or more of a nitrogen and oxygen sensing unit, a particle sensing unit, a temperature sensing unit and a pressure sensing unit The second tail gas emission data includes one or more of nitrogen oxide concentration, particulate matter concentration, temperature data or pressure data. 3. The tail gas emission monitoring terminal according to claim 1, wherein the second port group includes a first port, and the sensing module includes a nitrogen and oxygen sensing unit, and the nitrogen and oxygen sensing unit is used for Sensing the nitrogen oxide concentration of the exhaust emission system in real time; The first port is connected to the nitrogen and oxygen sensing unit, and is used to obtain the concentration of nitrogen oxides of the exhaust emission system sensed by the nitrogen and oxygen sensing unit. 4. The tail gas emission monitoring terminal according to claim 3, wherein the second port group includes a second port, and the sensing module includes a particle sensing unit, and the particle sensing unit is used for real-time sensing Measuring the concentration of particulate matter in the exhaust emission system; The second port is connected to the particle sensing unit, and is used to acquire the particle concentration of the exhaust emission system sensed by the particle sensing unit. 5. The exhaust emission monitoring terminal according to claim 4, wherein the second port group includes a third port, and the sensing module includes a temperature sensing unit for real-time sensing Measure the temperature data of the exhaust emission system of the mobile machinery; The third port is connected to the temperature sensing unit for acquiring temperature data of the exhaust emission system sensed by the temperature sensing unit. 6. The tail gas emission monitoring terminal according to claim 5, wherein the second port group includes a fourth port, and the sensing module includes a pressure sensing unit for real-time sensing Measuring the pressure data in the exhaust emission system; The fourth port is connected to the pressure sensing unit to acquire pressure data in the exhaust emission system sensed by the pressure sensing unit. 7. The tail gas emission monitoring terminal according to any one of claims 1-6, characterized in that, the tail gas emission monitoring terminal also includes a communication module, a data acquisition module electrically connected with the communication module, and a plane positioning module and a space positioning module, the data acquisition module, the plane positioning module and the space positioning module are all connected to the mobile machine; The first port group and the second port group are set in the data acquisition module, and the data acquisition module is connected to the mobile machine through the first port group and the second port, so as to obtain the the first tail gas emission data and the second tail gas emission data; The planar positioning module and the spatial positioning module are used to acquire operation data of the mobile machine. 8. The exhaust emission monitoring terminal according to any one of claims 1-6, characterized in that, the casing of the exhaust emission monitoring terminal is made of waterproof and dustproof materials. 9. The tail gas emission monitoring terminal according to any one of claims 1-6, wherein the first tail gas emission data includes working condition data, fuel consumption data, manipulation data, diagnostic data and faults of the mobile machinery For at least one or more types of data, the first port group is an on-vehicle automatic diagnosis system interface. 10. A monitoring system for monitoring the exhaust emission system of a mobile machine, characterized in that the monitoring system includes a monitoring platform and an exhaust emission monitoring terminal according to any one of claims 1-9, the The tail gas emission monitoring terminal communicates with the supervision platform, and the tail gas emission monitoring terminal transmits the obtained first tail gas emission data and the second tail gas emission data to the supervision platform, so that the supervision platform can monitor all Real-time monitoring of the exhaust emission system of the above-mentioned mobile machinery.

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