CN216311017U - Gas alarm controller - Google Patents
Gas alarm controller Download PDFInfo
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- CN216311017U CN216311017U CN202120936292.5U CN202120936292U CN216311017U CN 216311017 U CN216311017 U CN 216311017U CN 202120936292 U CN202120936292 U CN 202120936292U CN 216311017 U CN216311017 U CN 216311017U
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- gas alarm
- alarm controller
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- 238000004891 communication Methods 0.000 claims abstract description 47
- 239000000523 sample Substances 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 3
- 210000000056 organ Anatomy 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of gas detection, and discloses a gas alarm controller which comprises a processor, and a power module, a CAN communication circuit, a wireless communication module, an RS485 communication circuit, an acquisition module, an output module and a buzzer which are respectively electrically connected with the processor, wherein the wireless communication module is a 3G or 4G or 5G communication module, the acquisition module comprises an acquisition circuit and a probe which is electrically connected with the acquisition circuit, and the acquisition circuit is electrically connected with the processor. The utility model solves the problems that the industrial and commercial users cannot remotely operate the meter and cannot remotely read the detection data when using the gas alarm controller.
Description
Technical Field
The utility model relates to the technical field of gas detection, in particular to a gas alarm controller.
Background
Along with the rapid expansion of the application field of combustible gas, the combustible gas brings great convenience to the production and life of people, and due to the characteristics of flammability and explosiveness, the occurrence rate of accidents is correspondingly improved, the life and property safety of people is greatly threatened, the leakage of the combustible gas is very necessary to be detected in the bud, and the gas alarm controller is an important ring thereof and can remind related personnel to take related measures to protect the personnel working on the site, the safe operation of production equipment and the surrounding environment when the leakage or danger is about to occur.
At present, most of existing gas alarm controllers can only display data locally, so that industrial and commercial users cannot remotely operate the meter and read data such as temperature and pressure when using the gas alarm controllers, and the gas alarm controllers are inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: when the gas alarm controller is used by an industrial and commercial user, the remote meter operation cannot be carried out, and the detection data cannot be read remotely.
In order to solve the technical problem, the utility model provides a gas alarm controller which comprises a processor, and a power module, a CAN communication circuit, a wireless communication module, an RS485 communication circuit, an acquisition module, an output module and a buzzer which are respectively electrically connected with the processor, wherein the wireless communication module is a 3G or 4G or 5G communication module, the acquisition module comprises an acquisition circuit and a probe which is electrically connected with the acquisition circuit, and the acquisition circuit is electrically connected with the processor.
Further, the CAN communication circuit comprises a communication chip with the model number SN65HVD230, and the communication chip is electrically connected with the processor.
Furthermore, the acquisition circuit comprises an operational amplifier and an ultrahigh input impedance amplifier which are respectively electrically connected with the processor, the ultrahigh input impedance amplifier is electrically connected with the probe, and the operational amplifier is electrically connected with an external sensor.
Further, the external input signal current value of the ultrahigh input impedance amplifier is 4-20 mA.
Further, the model of the operational amplifier is LM 358.
Further, the RS485 communication line is used for being in communication connection with an external monitoring display device, and the RS485 communication line comprises a chip of a MAX3486ESA model, wherein the chip is electrically connected with the processor.
Further, the processor is of the type ARM M3MCUSTM32F 103.
Further, the gas alarm controller further comprises a liquid crystal display touch screen electrically connected with the processor.
Further, the output module comprises a relay electrically connected with the processor and the power module respectively.
Further, the output value of the power supply module is DC 24V.
Compared with the prior art, the gas alarm controller provided by the technical scheme has the beneficial effects that: the probe is used for detecting the concentration of methane, transmitting detection data to the processor through the acquisition circuit, processing the detection data by the processor, uploading the detection data to the host through the CAN communication circuit, transmitting the detection data to external monitoring display equipment through the RS485 communication circuit, and uploading the detection data to the server through the wireless communication module, so that a worker user CAN remotely operate the gas alarm controller and remotely read the detection data; the acquisition circuit can also be connected with external pressure, temperature and flow sensors and the like, so that the detection and uploading of parameters such as pressure, temperature and flow are realized.
Drawings
FIG. 1 is a schematic diagram of a gas alarm controller according to an embodiment of the present invention;
FIG. 2 is a schematic electrical circuit diagram of a gas alarm controller in accordance with an embodiment of the present invention;
fig. 3 is a circuit schematic diagram of a CAN communication circuit of an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the gas alarm controller provided by the utility model comprises a processor, and a power module, a CAN communication circuit, a wireless communication module, an RS485 communication circuit, an acquisition module, an output module and a buzzer which are respectively electrically connected with the processor, wherein the wireless communication module is a 3G or 4G or 5G communication module, the acquisition module comprises an acquisition circuit and a probe which is electrically connected with the acquisition circuit, and the acquisition circuit is electrically connected with the processor.
The gas alarm controller based on the scheme is characterized in that the probe is used for detecting the concentration of methane and transmitting detection data to the processor through the acquisition circuit, the processor processes the detection data, the detection data CAN be uploaded to the host through the CAN communication circuit, transmitted to external monitoring display equipment through the RS485 communication line and uploaded to the server through the wireless communication module, and a worker user CAN remotely operate the meter of the gas alarm controller and remotely read the detection data; the acquisition circuit can also be connected with external pressure, temperature and flow sensors and the like to realize the detection and uploading of parameters such as pressure, temperature and flow; the buzzer sends out an alarm to remind a worker when the detected signal is abnormal compared with a preset value.
As shown in fig. 3, the CAN communication circuit includes a communication chip with model number SN65HVD230, and the communication chip is electrically connected to the processor, which CAN be seen in the circuit diagram of fig. 3.
Specifically, the acquisition circuit comprises an operational amplifier and an ultrahigh input impedance amplifier which are respectively electrically connected with the processor, the ultrahigh input impedance amplifier is electrically connected with the probe, and the operational amplifier is electrically connected with the external sensor. The current value of an external input signal of the ultrahigh input impedance amplifier is 4-20 mA, the external 4-20 MA is input into the ultrahigh input impedance amplifier and then is amplified and connected to an AD port of the controller, and the AD signal is processed by the controller and then is output to display the pressure and temperature value.
The model of the operational amplifier is LM358, the input of an external temperature sensor or other sensors is amplified by the LM358 operational amplifier and then is received to the AD port of the controller for processing, and the processed output displays the temperature and pressure values.
In addition, the RS485 communication line is used for being in communication connection with external monitoring display equipment, the RS485 communication line comprises a chip of MAX3486ESA model, the chip is electrically connected with the processor, and the chip enables the external monitoring display equipment such as a human-computer interface to be in communication with the controller, so that data such as concentration, temperature and pressure are displayed.
In this embodiment, the processor is of the type ARM M3MCUSTM32F 103.
As shown in fig. 1, the gas alarm controller of the present embodiment further includes a liquid crystal display touch screen electrically connected to the processor for displaying data and operating the controller.
In addition, as shown in fig. 2, the output value of the power module is DC24V, the output module includes relays electrically connected to the processor and the power module, the power module provides driving voltage to the processor and the relays simultaneously, the DC24V voltage generates 5V voltage through D1 diode 1N5822, LM 2596S-5.0, 5V provides voltage for the relay output circuit operation, and the relays output to the liquid crystal touch screen, the 3G or 4G or 5G module, and the buzzer provide power; 5V is further processed by the power supply chip REG 1117-3.3 to generate 3.3V which is used as the working voltage of the processor and the voltage of the CAN communication circuit.
In addition, the model of the relay is HRA-S-DC 5V, the processor controls the switch of the triode S8050 through the control output pin, and the triode is conducted to push the relay switch.
In summary, the embodiment of the present invention provides a gas alarm controller, which CAN read data of a detector on a CAN bus in real time, read data of a transmitter such as an RS485 communication connection flowmeter, read data of a 4-20 mA connection pressure and temperature, and upload the processed data to a server through a 3, 4 or 5G module, so that a user of an industrial and commercial CAN remotely operate a meter on the gas alarm controller and remotely read detection data, and the gas alarm controller is convenient to use.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a gas alarm controller, its characterized in that, including the treater and respectively with power module, CAN communication circuit, wireless communication module, RS485 communication line, collection module, output module and the bee calling organ that the treater electricity is connected, wireless communication module is 3G or 4G or 5G communication module, collection module include collection circuit and with the probe that the collection circuit electricity is connected, collection circuit with the treater electricity is connected.
2. The gas alarm controller of claim 1, wherein the CAN communication circuit comprises a communication chip model SN65HVD230, the communication chip electrically connected to the processor.
3. The gas alarm controller of claim 1, wherein the acquisition circuit comprises an operational amplifier and an ultra-high input impedance amplifier electrically connected to the processor, respectively, the ultra-high input impedance amplifier being electrically connected to the probe, the operational amplifier being electrically connected to an external sensor.
4. The gas alarm controller of claim 3, wherein the value of the external input signal current of the ultra-high input impedance amplifier is 4-20 mA.
5. A gas alarm controller according to claim 3, characterised in that the operational amplifier is of the type LM 358.
6. The gas alarm controller of claim 1, wherein said RS485 communication line is adapted to be communicatively coupled to an external monitoring display device, said RS485 communication line including a MAX3486ESA chip electrically coupled to said processor.
7. The gas alarm controller of claim 1, wherein the processor is of the type ARM M3MCUSTM32F 103.
8. The gas alarm controller of claim 1, further comprising a liquid crystal display touch screen electrically connected to the processor.
9. The gas alarm controller of claim 1, wherein the output module comprises a relay electrically connected to the processor and the power module, respectively.
10. The gas alarm controller of claim 1, wherein the output value of the power module is DC 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936292.5U CN216311017U (en) | 2021-04-30 | 2021-04-30 | Gas alarm controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936292.5U CN216311017U (en) | 2021-04-30 | 2021-04-30 | Gas alarm controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216311017U true CN216311017U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120936292.5U Active CN216311017U (en) | 2021-04-30 | 2021-04-30 | Gas alarm controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN216311017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647621A (en) * | 2023-11-16 | 2024-03-05 | 广州南沙发展燃气有限公司 | Gas detection device and gas detection system |
-
2021
- 2021-04-30 CN CN202120936292.5U patent/CN216311017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647621A (en) * | 2023-11-16 | 2024-03-05 | 广州南沙发展燃气有限公司 | Gas detection device and gas detection system |
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