CN212647641U - Wireless toxic and harmful gas alarm system - Google Patents
Wireless toxic and harmful gas alarm system Download PDFInfo
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- CN212647641U CN212647641U CN202021479641.7U CN202021479641U CN212647641U CN 212647641 U CN212647641 U CN 212647641U CN 202021479641 U CN202021479641 U CN 202021479641U CN 212647641 U CN212647641 U CN 212647641U
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- 231100000331 toxic Toxicity 0.000 title claims abstract description 28
- 230000002588 toxic effect Effects 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 78
- 238000004891 communication Methods 0.000 claims abstract description 68
- 238000005070 sampling Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 95
- 239000002360 explosive Substances 0.000 description 6
- 238000007726 management method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The application relates to a wireless toxic and harmful gas alarm system, which comprises a plurality of gas detection devices, a plurality of fixed alarm devices and a mobile alarm device; the gas detection device transmits a gas detection result to the fixed alarm device and supplies power to the fixed alarm device; the fixed alarm device transmits a gas detection result to the mobile alarm device, in the actual use process, the gas detection device is dispersedly arranged in a region to be monitored and is correspondingly connected with the fixed alarm device dispersedly arranged in the region to be monitored, the fixed alarm device is in wireless communication connection with the mobile alarm device worn on the body of a field person, the gas detection device transmits the gas detection result to the fixed alarm device, the fixed alarm device transmits the gas detection result to the mobile alarm device, and the mobile alarm device gives an alarm to the field person according to the gas detection result, so that the alarm can be timely and accurately transmitted to the field person, and the field person can timely process the alarm.
Description
Technical Field
The application relates to the technical field of industrial field explosive gas and toxic and harmful gas concentration alarm, in particular to a wireless toxic and harmful gas alarm system.
Background
In industrial fields such as large-scale petrochemical industry, there are dangerous areas where explosive gases and toxic and harmful gases may leak, when these areas are used for operations such as inspection, maintenance, construction and the like, if a worker can acquire gas concentration overrun alarm information in the environment and can transmit the information to a background manager in real time, the life safety guarantee capability of the worker can be greatly improved, and therefore, it is very necessary to arrange and install an alarm in these areas, but in the implementation process, the inventor finds that at least the following problems exist in the conventional technology: the traditional explosive gas and toxic and harmful gas monitoring technology has poor effectiveness and accuracy in transmitting alarm information to field workers.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a wireless toxic and harmful gas alarm system for solving the problem of poor effectiveness and accuracy of transmitting alarm information to field workers by the traditional explosive gas and toxic and harmful gas monitoring technology.
In order to achieve the above object, the embodiment of the present application provides a wireless toxic and harmful gas alarm system, which includes a plurality of gas detection devices, a plurality of fixed alarm devices, and a mobile alarm device;
the gas detection device is correspondingly connected with the fixed alarm device in a wired way; the fixed alarm device is in wireless communication connection with the mobile alarm device;
the gas detection device transmits a gas detection result to the fixed alarm device and supplies power to the fixed alarm device; the fixed alarm device transmits the gas detection result to the mobile alarm device.
In one embodiment, the system further comprises a cloud server;
the cloud server is in wireless communication connection with the mobile alarm device.
In one embodiment, the system further comprises a background management device;
the background management device is in communication connection with the cloud server.
In one embodiment, the fixed alarm device comprises a first main control chip, a first wireless communication chip and a first alarm;
the first main control chip is electrically connected with the first wireless communication chip and the first alarm respectively;
the first wireless communication chip is in wireless communication connection with the mobile alarm device.
In one embodiment, the fixed alarm device further comprises a 485 communication chip;
the 485 communication chip is respectively and electrically connected with the first main control chip and the gas detection device.
In one embodiment, the fixed alarm device further comprises a sampling circuit;
the sampling circuit is respectively and electrically connected with the first main control chip and the gas detection device.
In one embodiment, the mobile alarm device comprises a second main control chip, a second wireless communication chip and a second alarm;
the second main control chip is respectively and electrically connected with the second wireless communication chip and the second alarm;
the second wireless communication chip is in wireless communication connection with the first wireless communication chip.
In one embodiment, the mobile alarm device further comprises a display screen;
the display screen is electrically connected with the second main control chip.
In one embodiment, the mobile alarm device further comprises a wireless wide area network communication chip;
the wireless wide area network communication chip is electrically connected with the second main control chip and is used for being connected with the cloud server.
In one embodiment, the first alarm is an acoustic alarm device, an optical alarm device or an audible and visual alarm device; the second alarm is a sound alarm device, a light alarm device, a vibration alarm or a sound and light alarm device.
One of the above technical solutions has the following advantages and beneficial effects:
the wireless toxic and harmful gas alarm system provided by each embodiment of the application comprises a plurality of gas detection devices, a plurality of fixed alarm devices and a mobile alarm device; the gas detection device is correspondingly connected with the fixed alarm device in a wired way; the fixed alarm device is in wireless communication connection with the mobile alarm device; the gas detection device transmits a gas detection result to the fixed alarm device and supplies power to the fixed alarm device; the fixed alarm device transmits a gas detection result to the mobile alarm device, in the actual use process, the gas detection device is dispersedly arranged in a region to be monitored and is correspondingly connected with the fixed alarm device dispersedly arranged in the region to be monitored, the fixed alarm device is in wireless communication connection with the mobile alarm device worn on the body of a field person, the gas detection device transmits the gas detection result to the fixed alarm device, the fixed alarm device transmits the gas detection result to the mobile alarm device, the mobile alarm device gives an alarm to the field person according to the gas detection result, so that the alarm can be timely and accurately transmitted to the field person, the field person can timely process the alarm, in addition, the fixed alarm device can also give an alarm according to the gas detection result, double alarm is realized, and the field safety is further improved.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular description of preferred embodiments of the application, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the subject matter of the present application.
FIG. 1 is a schematic diagram of a wireless toxic and harmful gas alarm system according to an embodiment;
FIG. 2 is a schematic diagram of the structure of a fixed alarm unit in one embodiment;
FIG. 3 is a schematic view of the structure of a fixed alarm unit in another embodiment;
FIG. 4 is a schematic diagram of the mobile alarm device in one embodiment;
FIG. 5 is a schematic diagram of a mobile alarm unit according to another embodiment;
fig. 6 is a schematic structural diagram of a wireless toxic and harmful gas alarm system in another embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In order to solve the problems of poor alarm effectiveness and accuracy of the conventional explosive gas and toxic and harmful gas monitoring technology, in one embodiment, as shown in fig. 1, a wireless toxic and harmful gas alarm system is provided, which comprises a plurality of gas detection devices 11, a plurality of fixed alarm devices 13 and a mobile alarm device 15;
the gas detection device 11 is correspondingly connected with a fixed alarm device 13 in a wired way; the fixed alarm device 13 is connected with the mobile alarm device 15 in a wireless communication way;
wherein, the gas detection device 11 transmits the gas detection result to the fixed alarm device 13 and supplies power to the fixed alarm device 13; the stationary alarm unit 13 transmits the gas detection result to the mobile alarm unit 15.
It should be noted that the gas detection device is used for detecting dangerous gases (e.g., explosive gases, toxic and harmful gases) in the air, and when the concentration of the dangerous gases in the air is detected to exceed a limit, a gas detection result is generated and transmitted to the fixed alarm device, wherein the gas detection result includes the composition and the corresponding content of the dangerous gases. In one example, the gas detection device comprises a gas sensor, a 485 communication chip, a power supply circuit and a main control chip, wherein the main control chip is electrically connected with the gas sensor, the 485 communication chip and the power supply circuit respectively, the gas sensor is used for detecting dangerous gas, the 485 communication chip is used for communicating with the fixed alarm device and transmitting a gas detection result to the fixed alarm device, and the power supply circuit is used for supplying power to the fixed alarm device. In another example, the gas detection device comprises a gas sensor, a 4-20mA signal transmission circuit, a power supply circuit and a main control chip, wherein the main control chip is electrically connected with the gas sensor, the 4-20mA signal transmission circuit and the power supply circuit respectively. Further, the number of gas detection devices is determined according to the size of the area to be monitored.
The fixed alarm devices are fixedly and dispersedly arranged in the area to be monitored, and the specific arrangement condition is determined according to the actual condition. The fixed alarm device is used for sending an alarm signal to field personnel, specifically, the fixed alarm device gives an alarm according to a gas detection result obtained from the gas detection device, and the fixed alarm device can give an alarm by sound, can give an alarm by flashing or can give an alarm by sound and light at the same time.
In one example, as shown in fig. 2, the fixed alarm device 13 includes a first main control chip 131, a first wireless communication chip 133, and a first alarm 135; the first main control chip 131 is electrically connected with the first wireless communication chip 133 and the first alarm 134 respectively; the first wireless communication chip 133 is connected to the mobile alarm device 15 in wireless communication. The first main control chip is a control center for fixing the alarm device and is used for controlling the first wireless communication chip and the first alarm to work, and when the first main control chip receives the gas detection result, the gas detection result is analyzed to control the first alarm to alarm, for example. The first alarm is controlled to perform sound broadcasting, or to flash, or to perform sound broadcasting and flashing at the same time, in one example, the first alarm is a sound alarm device, a light alarm device, or a sound and light alarm device. In one example, the first wireless communication chip is a 2.4GHz (gigahertz) wireless communication chip.
The fixed alarm device may obtain the gas detection result from the gas detection device in different ways, and in one example, as shown in fig. 3, the fixed alarm device 13 further includes a 485 communication chip 137; the 485 communication chip is respectively 135 electrically connected with the first main control chip 131 and the gas detection device 11, and the fixed alarm device 13 is communicated with the gas detection device 11 through the 485 communication chip 137; in another example, as shown in FIG. 3, the stationary alarm unit 13 further includes a sampling circuit 139; the sampling circuit 139 is electrically connected to the first main control chip 131 and the gas detection device 11, respectively, and the fixed alarm device obtains a gas detection result from the gas detection device through the sampling circuit by using a 4-20mA signal. In another example, as shown in fig. 3, the fixed alarm device 13 further includes a 485 communication chip 137 and a sampling circuit 139, the first main control chip 131 is electrically connected to the gas detection device through the 485 communication chip 137 and the sampling circuit 139, respectively, and in a signal transmission process, the first main control chip 131 can select one path from the 485 communication chip 137 and the sampling circuit 139 to obtain a gas detection result from the gas detection device 11.
The fixed alarm device further comprises a battery module, and the battery module is used for supplying power to the first main control chip, the first wireless communication chip, the first alarm, the 485 communication chip and the sampling circuit.
The mobile alarm device is worn on the body of a field person and used for directly giving an alarm to the field person to remind the field person of dangerous conditions, and specifically, the mobile alarm device receives a gas detection result sent by the fixed alarm device closest to the mobile alarm device and gives an alarm according to the gas detection result. In one example, as shown in fig. 4, the mobile alarm device 15 includes a second main control chip 151, a second wireless communication chip 153, and a second alarm 155; the second main control chip 151 is electrically connected with the second wireless communication chip 153 and the second alarm 155 respectively; the second wireless communication chip 153 is connected to the first wireless communication chip 133 in wireless communication. The second main control chip is a control center of the mobile alarm device and is used for controlling the second wireless communication chip and the second alarm to work, when the second main control chip receives the gas detection result, the gas detection result is analyzed to control the second alarm to alarm, for example, the second alarm is controlled to perform sound broadcasting, or the second alarm is controlled to flash, or the second alarm is controlled to vibrate, or the second alarm is controlled to perform sound broadcasting and flashing at the same time, in one example, the second alarm is a sound alarm device, a light alarm device, a vibration alarm device or a sound and light alarm device. In one example, the second wireless communication chip is a 2.4GHz wireless communication chip.
In one example, as shown in FIG. 5, the mobile alert device 15 also includes a display screen 157; the display 157 is electrically connected to the second main control chip 151. The display screen is used for displaying information contained in the gas detection result, specifically, the composition and the corresponding content of the hazardous gas and the hazard level, so that field personnel can know the current hazard condition of the field conveniently.
In one example, as shown in fig. 5, the mobile alarm device 15 also includes a wireless wide area network communication chip 159; the wireless wide area network communication chip 159 is electrically connected to the second main control chip 151 and is configured to connect to the cloud server 17. The wireless wide area network communication chip is communicated with the cloud server under the control of the second main control chip, and the gas detection result is reported to the cloud server for data management. In one example, as shown in fig. 5, a cloud server 17 is further included; the cloud server 17 is connected with the mobile alarm device 15 in a wireless communication mode.
Further, in one example, as shown in fig. 6, a background management device 19 is further included; the background management device 19 is communicatively connected to the cloud server 17. The background management equipment is computer equipment and is used for displaying the gas detection result of the cloud server so that background management personnel can record and manage the dangerous conditions on site.
In each embodiment of the wireless toxic and harmful gas alarm system, the wireless toxic and harmful gas alarm system comprises a plurality of gas detection devices, a plurality of fixed alarm devices and a mobile alarm device; the gas detection device is correspondingly connected with the fixed alarm device in a wired way; the fixed alarm device is in wireless communication connection with the mobile alarm device; the gas detection device transmits a gas detection result to the fixed alarm device and supplies power to the fixed alarm device; the fixed alarm device transmits a gas detection result to the mobile alarm device, in the actual use process, the gas detection device is dispersedly arranged in a region to be monitored and is correspondingly connected with the fixed alarm device dispersedly arranged in the region to be monitored, the fixed alarm device is in wireless communication connection with the mobile alarm device worn on the body of a field person, the gas detection device transmits the gas detection result to the fixed alarm device, the fixed alarm device transmits the gas detection result to the mobile alarm device, the mobile alarm device gives an alarm to the field person according to the gas detection result, so that the alarm can be timely and accurately transmitted to the field person, the field person can timely process the alarm, in addition, the fixed alarm device can also give an alarm according to the gas detection result, double alarm is realized, and the field safety is further improved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A wireless toxic and harmful gas alarm system is characterized by comprising a plurality of gas detection devices, a plurality of fixed alarm devices and a mobile alarm device;
the gas detection device is correspondingly connected with the fixed alarm device in a wired way; the fixed alarm device is in wireless communication connection with the mobile alarm device;
the gas detection device transmits a gas detection result to the fixed alarm device and supplies power to the fixed alarm device; and the fixed alarm device transmits the gas detection result to the mobile alarm device.
2. The wireless toxic harmful gas alarm system of claim 1, further comprising a cloud server;
the cloud server is in wireless communication connection with the mobile alarm device.
3. The wireless toxic and harmful gas alarm system of claim 2, further comprising a background management device;
the background management device is in communication connection with the cloud server.
4. The wireless toxic and harmful gas alarm system of any one of claims 1 to 3, wherein the fixed alarm device comprises a first main control chip, a first wireless communication chip and a first alarm;
the first main control chip is respectively and electrically connected with the first wireless communication chip and the first alarm;
the first wireless communication chip is in wireless communication connection with the mobile alarm device.
5. The wireless toxic harmful gas alarm system of claim 4, wherein the fixed alarm device further comprises a 485 communication chip;
the 485 communication chip is respectively and electrically connected with the first main control chip and the gas detection device.
6. The wireless toxic harmful gas alarm system of claim 4, wherein the fixed alarm device further comprises a sampling circuit;
the sampling circuit is respectively and electrically connected with the first main control chip and the gas detection device.
7. The wireless toxic and harmful gas alarm system of claim 4, wherein the mobile alarm device comprises a second main control chip, a second wireless communication chip and a second alarm;
the second main control chip is respectively and electrically connected with the second wireless communication chip and the second alarm;
the second wireless communication chip is in wireless communication connection with the first wireless communication chip.
8. The wireless toxic harmful gas alarm system of claim 7, wherein the mobile alarm device further comprises a display screen;
the display screen is electrically connected with the second main control chip.
9. The wireless toxic harmful gas alarm system of claim 8, wherein the mobile alarm device further comprises a wireless wide area network communication chip;
the wireless wide area network communication chip is electrically connected with the second main control chip and is used for being connected with a cloud server.
10. The wireless toxic harmful gas alarm system of claim 9, wherein the first alarm is an audible alarm device, an optical alarm device or an audible and visual alarm device; the second alarm is a sound alarm device, a light alarm device, a vibration alarm or a sound and light alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021479641.7U CN212647641U (en) | 2020-07-23 | 2020-07-23 | Wireless toxic and harmful gas alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021479641.7U CN212647641U (en) | 2020-07-23 | 2020-07-23 | Wireless toxic and harmful gas alarm system |
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| Publication Number | Publication Date |
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| CN212647641U true CN212647641U (en) | 2021-03-02 |
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| CN202021479641.7U Active CN212647641U (en) | 2020-07-23 | 2020-07-23 | Wireless toxic and harmful gas alarm system |
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Address after: 518000 b1-1201, building b1b2, Guangming science and Technology Park, Investment Promotion Bureau, Fenghuang community, Fenghuang street, Guangming District, Shenzhen, Guangdong (business premises are set up in units 5B and 5C, building B6, Guangming science and Technology Park, Investment Promotion Bureau, Fenghuang community, Fenghuang street, Guangming District, Shenzhen to engage in production and business activities) Patentee after: Shenzhen noan intelligent Co.,Ltd. Address before: 518107 12th floor, building A2, Guangming Science Park, China Merchants Group, 3009 Guangming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN NUOAN ENVIRONMENTAL & SAFETY Inc. |