CN211877915U - Gas monitoring device and gas monitoring system based on bus mode - Google Patents
Gas monitoring device and gas monitoring system based on bus mode Download PDFInfo
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- CN211877915U CN211877915U CN202020048760.0U CN202020048760U CN211877915U CN 211877915 U CN211877915 U CN 211877915U CN 202020048760 U CN202020048760 U CN 202020048760U CN 211877915 U CN211877915 U CN 211877915U
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Abstract
The utility model relates to a gaseous monitoring devices and gaseous monitoring system based on bus mode, gaseous monitoring devices includes: the system comprises a main controller, a first communication module and one or more gas collection modules; the gas acquisition module is connected with the main controller in a CAN/RS485 bus mode; the gas collection module transmits collected gas information to the main controller through the CAN/RS485 bus, and the main controller processes the gas information and transmits the processed data information to external equipment through the first communication module. The utility model transmits the signals collected by the gas collecting module to the main controller by using the CAN/RS485 bus, which is beneficial to simultaneously collecting a plurality of gases; the gas monitoring device is also favorable for realizing modular packaging of the gas acquisition module, the gas monitoring device can be used for plug-in replacement of the gas acquisition module according to actual needs, and the gas monitoring device is convenient to use and install.
Description
Technical Field
The utility model relates to a gaseous monitoring technology field, concretely relates to gaseous monitoring devices and gaseous monitoring system based on bus mode.
Background
A gas sensor is a device that converts information such as the composition and concentration of a gas into information that can be used by personnel, instruments, computers, and the like. The gas sensors currently in the mainstream include: semiconductor gas sensors, solid electrolyte gas sensors, electrochemical gas sensors, optical gas sensors, and the like. When a gas acquisition module and a CPU or a data processing module carry out data interaction, an I2C interface is mostly adopted in the conventional gas sensor or gas monitoring device, and the conventional gas sensor or gas monitoring device can only monitor one kind of gas generally. When the type of gas to be monitored changes, only a new gas sensor can be replaced, and the gas sensor is inconvenient to use and install and low in efficiency.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to overcome the deficiencies in the prior art, and provides a gas monitoring device and a gas monitoring system based on a bus method.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a gas monitoring device based on a bus mode comprises:
the system comprises a main controller, a first communication module and one or more gas collection modules;
the gas acquisition module is connected with the main controller in a CAN bus or RS485 bus mode; the gas collection module transmits collected gas information to the main controller through the CAN bus or the RS485 bus, and the main controller processes the gas information and transmits the processed data information to external equipment through the first communication module.
Optionally, the gas collection module includes:
the system comprises a gas sensor, an A/D converter, a sub-controller and a bus transmission module;
the output end of the gas sensor is connected with the input end of the A/D converter, the output end of the A/D converter is connected with the sub-controller, the sub-controller is also connected with the bus transmission module, and the bus transmission module is connected with the main controller through a CAN bus interface or an RS485 bus interface;
the gas sensor collects gas information of a tested environment and transmits the gas information to the A/D converter for digital-to-analog conversion processing, the A/D converter transmits processed data to the sub-controller, and the sub-controller transmits the data to the main controller through the bus transmission module and the CAN bus interface or the RS485 bus interface.
Optionally, the gas collection module is connected with the main controller in a plug-in manner through a CAN bus interface or an RS485 bus interface.
Optionally, the gas sensor comprises: a carbon dioxide sensor, a hydrogen chloride sensor, an oxygen sensor, and/or a carbon monoxide sensor.
Optionally, the gas monitoring device further comprises: and the power supply module is electrically connected with the main controller and supplies power to the main controller.
Optionally, the first communication module includes: the wireless communication module comprises a LoRa wireless communication module, an NB-IoT wireless communication module, a 4G communication module and/or a WIFI wireless communication module.
Optionally, the gas monitoring device further comprises: and the display module is electrically connected with the main controller and is used for displaying the gas information monitored by the gas acquisition module.
Optionally, the main control unit is an STM32 singlechip, and the sub-controller is an STM8 singlechip.
The invention also provides a gas monitoring system comprising:
a gas monitoring device as described above, and,
the upper computer and the second communication module;
the second communication module is matched with the first communication module, and the first communication module and the second communication module are used for realizing data transmission of the gas monitoring device and the upper computer.
Optionally, the gas monitoring system further comprises: and the alarm module is connected with the upper computer and used for sending alarm information when the monitored gas information value exceeds a preset range.
The utility model adopts the above technical scheme, gas monitoring device based on bus mode, include: the system comprises a main controller, a first communication module and one or more gas collection modules; the gas acquisition module is connected with the main controller in a CAN bus or RS485 bus mode; the gas collection module transmits collected gas information to the main controller through the CAN bus or the RS485 bus, and the main controller processes the gas information and transmits the processed data information to external equipment through the first communication module. The utility model discloses the signal transmission who utilizes the mode of CAN bus or RS485 bus to gather gaseous collection module gives main control unit, CAN realize gathering when gaseous such as carbon dioxide, hydrogen chloride, oxygen, in addition, adopts CAN RS485 bus to be favorable to making gaseous collection module realizes the modularization encapsulation, gaseous monitoring devices CAN carry out gaseous collection module's plug-in change according to actual need, realizes monitoring simultaneously one or more gaseous purpose.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram provided by an embodiment of a bus-based gas monitoring device of the present invention;
fig. 2 is a schematic structural diagram of a gas monitoring system according to an embodiment of the present invention.
In the figure: 1. a main controller; 2. a first communication module; 3. a gas collection module; 31. a carbon dioxide sensor; 32. a hydrogen chloride sensor; 33. an oxygen sensor; 34. an A/D converter; 35. a sub-controller; 36. a bus transmission module; 4. a power supply module; 5. a display module; 6. a gas monitoring device; 7. an upper computer; 8. a second communication module; 9. and an alarm module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram provided by an embodiment of the gas monitoring device based on a bus mode.
As shown in fig. 1, the gas monitoring device based on the bus system according to the present embodiment includes:
a main controller 1, a first communication module 2 and one or more gas collection modules 3;
the gas acquisition module 3 is connected with the main controller 1 in a CAN bus or RS485 bus mode; the gas collection module 3 transmits collected gas information to the main controller 1 through the CAN bus or the RS485 bus, and the main controller 1 processes the gas information and transmits the processed data information to external equipment through the first communication module 2.
In actual use, the main controller 1 is connected with the first communication module 2 through a UART interface, and the external equipment comprises an external intelligent terminal, an upper computer and the like.
Further, the gas collection module 3 includes:
a gas sensor, an A/D converter 34, a sub-controller 35 and a bus transfer module 36;
the output end of the gas sensor is connected with the input end of the A/D converter 34, the output end of the A/D converter 34 is connected with the sub-controller 35, the sub-controller 35 is further connected with the bus transmission module 36, and the bus transmission module 36 is connected with the main controller through a CAN bus interface or an RS485 bus interface;
the gas sensor collects gas information of a tested environment and transmits the gas information to the A/D converter 34 for digital-to-analog conversion processing, the A/D converter 34 transmits processed data to the sub-controller 35, and the sub-controller 35 performs data transmission with the main controller 1 through the bus transmission module 36 and the CAN bus interface or the RS485 bus interface.
Furthermore, the gas collection module 3 is connected with the main controller 1 through a CAN bus interface or an RS485 bus interface in a plug-in manner.
Further, the gas sensor includes: a carbon dioxide sensor 31, a hydrogen chloride sensor 32, an oxygen sensor 33, and/or a carbon monoxide sensor.
Further, the gas monitoring device 6 further includes: and the power supply module 4 is electrically connected with the main controller 1 and supplies power to the main controller 1.
Further, the first communication module 2 includes: the wireless communication module comprises a LoRa wireless communication module, an NB-IoT wireless communication module, a 4G communication module and/or a WIFI wireless communication module.
Further, the gas monitoring device further comprises: and the display module 5 is electrically connected with the main controller and is used for displaying the gas information monitored by the gas acquisition module 3.
Further, main control unit 1 is the STM32 singlechip, sub-controller 35's model is STM8 singlechip.
This embodiment gas monitoring device in-service use, gas sensor, AD converter 34, sub-controller 35 and bus transmission module 36 encapsulate in advance and become gas acquisition module 3, gas monitoring device CAN carry out gas acquisition module 3's selection according to actual need, for example, need monitor the concentration information of carbon dioxide and oxygen, then with the gas acquisition module 3 that integrates carbon dioxide sensor 31 and the gas acquisition module 3 that integrates oxygen sensor 33 respectively through CAN bus interface or RS485 bus interface with main control unit 1 plug-in is connected, when the gas kind that needs to monitor changes, CAN plug and change the kind and the quantity of gas acquisition module 3 as required.
The gas monitoring device of the embodiment transmits the signals acquired by the gas acquisition module 3 to the main controller 1 in a CAN/RS485 bus mode, thereby being beneficial to simultaneously acquiring various gases; also be favorable to making gaseous collection module 3 realize the modularization encapsulation, gaseous monitoring devices can carry out the plug-in change of gaseous collection module 3 according to actual need, and it is convenient to use the installation.
Fig. 2 is a schematic structural diagram of a gas monitoring system according to an embodiment of the present invention.
As shown in fig. 2, the gas monitoring system according to the present embodiment includes:
the gas monitoring device 6, as described previously, and,
the upper computer 7 and the second communication module 8;
the second communication module 8 is matched with the first communication module 2, and the first communication module 2 and the second communication module 8 are used for realizing data transmission of the gas monitoring device 6 and the upper computer 7. And the upper computer 7 is used for further analyzing and processing the received gas monitoring data.
Further, the gas monitoring system further comprises: and the alarm module 9 is connected with the upper computer 7 and used for sending alarm information when the monitored gas information value exceeds a preset range.
The gas monitoring system described in this embodiment can realize simultaneous monitoring of a plurality of gases and is convenient to install and use due to the gas monitoring device 6 described in fig. 1.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means at least two unless otherwise specified.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A gas monitoring device based on a bus mode is characterized by comprising:
the system comprises a main controller, a first communication module and one or more gas collection modules;
the gas acquisition module is connected with the main controller in a CAN bus or RS485 bus mode; the gas collection module transmits collected gas information to the main controller through the CAN bus or the RS485 bus, and the main controller processes the gas information and transmits the processed data information to external equipment through the first communication module.
2. The gas monitoring device of claim 1, wherein the gas collection module comprises:
the system comprises a gas sensor, an A/D converter, a sub-controller and a bus transmission module;
the output end of the gas sensor is connected with the input end of the A/D converter, the output end of the A/D converter is connected with the sub-controller, the sub-controller is also connected with the bus transmission module, and the bus transmission module is connected with the main controller through a CAN bus interface or an RS485 bus interface;
the gas sensor collects gas information of a tested environment and transmits the gas information to the A/D converter for digital-to-analog conversion processing, the A/D converter transmits processed data to the sub-controller, and the sub-controller transmits the data to the main controller through the bus transmission module and the CAN bus interface or the RS485 bus interface.
3. The gas monitoring device of claim 2, wherein the gas sensor comprises: a carbon dioxide sensor, a hydrogen chloride sensor, an oxygen sensor, and/or a carbon monoxide sensor.
4. The gas monitoring device of claim 1, wherein the gas collection module is connected to the main controller by a CAN bus interface or an RS485 bus interface in a plug-in manner.
5. The gas monitoring device of claim 1, further comprising: and the power supply module is electrically connected with the main controller and supplies power to the main controller.
6. The gas monitoring device of claim 1, wherein the first communication module comprises: the wireless communication module comprises a LoRa wireless communication module, an NB-IoT wireless communication module, a 4G communication module and/or a WIFI wireless communication module.
7. The gas monitoring device of claim 1, further comprising: and the display module is electrically connected with the main controller and used for displaying the gas information acquired by the gas acquisition module.
8. The gas monitoring device of claim 2, wherein the main controller is an STM32 singlechip and the sub-controller is an STM8 singlechip.
9. A gas monitoring system, comprising:
the gas monitoring device of any one of claims 1 to 8, and,
the upper computer and the second communication module;
the second communication module is matched with the first communication module, and the first communication module and the second communication module are used for realizing data transmission of the gas monitoring device and the upper computer.
10. The gas monitoring system of claim 9, further comprising: and the alarm module is connected with the upper computer and used for sending alarm information when the monitored gas information value exceeds a preset range.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020048760.0U CN211877915U (en) | 2020-01-10 | 2020-01-10 | Gas monitoring device and gas monitoring system based on bus mode |
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| CN202020048760.0U CN211877915U (en) | 2020-01-10 | 2020-01-10 | Gas monitoring device and gas monitoring system based on bus mode |
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| CN211877915U true CN211877915U (en) | 2020-11-06 |
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