CN209656656U - A kind of wireless gas detecting instrument - Google Patents
A kind of wireless gas detecting instrument Download PDFInfo
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- CN209656656U CN209656656U CN201920131932.8U CN201920131932U CN209656656U CN 209656656 U CN209656656 U CN 209656656U CN 201920131932 U CN201920131932 U CN 201920131932U CN 209656656 U CN209656656 U CN 209656656U
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Abstract
The utility model provides a kind of wireless gas detecting instrument, including display module, sensing module, main control module, wireless transport module and power module；Wherein, main control module includes microcontroller；Sensing module includes gas sensing probe and analog-digital converter, and gas sensing probe is connected with analog-digital converter, and analog-digital converter is connected with main control module, and transformation result is transmitted to main control module by analog-digital converter, is handled by main control module analysis；Display module is connect with main control module, and the data result after display main control module analysis, display module includes liquid crystal display；Wireless transport module is connected with main control module, receives data result, and be transmitted to external equipment；Power module is powered to wireless gas detecting instrument, the beneficial effects of the utility model are: applicable gaseous species are more, battery service life is long, be applicable in narrow environment, detector can be achieved without dead angle deployment, install convenient.
Description
Technical Field
The utility model relates to a gaseous detection area, in particular to wireless gas detector.
Background
The concentration monitoring of gaseous pollutants in key pollution industries such as chemical industry, metallurgy, spraying, printing, packaging and the like is especially important for comprehensively implementing an atmospheric pollution prevention method and an environmental protection tax law. In addition, from the viewpoint of safety, an online real-time monitoring device for gas leakage becomes a safety-required device of a plant. In the prior art, the gas detector adopts a wired transmission mode, so that the installation cost is high, and particularly, when equipment is newly added, the factory production stop is required to be matched with installation and debugging; the wired power supply mode of 24V or 220V mains supply is adopted, and the deployment process is complicated for installation points with difficult power supply; the mounting and dismounting processes are complex, and when a user needs to move the monitoring position at variable time, the traditional fixed gas monitor has great limitation; the detector lacks intelligent attribute, and the visual of data, user experience such as sensor calibration are not strong.
Therefore, there is a need for a gas detector with wireless transmission capability, convenient power supply, visual data, portability or fixed installation.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a wireless gas detector, the technical scheme of the utility model is implemented like this:
a wireless gas detection instrument, comprising: the device comprises a display module, a sensing module, a main control module, a wireless transmission module and a power supply module; the master control module comprises a microcontroller; the sensing module comprises a gas sensing probe and an analog-to-digital converter, the gas sensing probe is connected with the analog-to-digital converter, the analog-to-digital converter is connected with the main control module, and the analog-to-digital converter transmits a conversion result to the main control module and is analyzed and processed by the main control module; the display module is connected with the main control module and used for displaying the data result analyzed by the main control module, and the display module comprises a liquid crystal display; the wireless transmission module is connected with the main control module, receives the data result and transmits the data result to external equipment; and the power supply module supplies power to the wireless gas detector.
Preferably, the gas sensing probe is configured to be detachable, plug and play, and the gas sensing probe is of a type including IR, PID, EC and/or MEMS semiconductors.
Preferably, the microcontroller uses an ultra-low power consumption single chip microcomputer.
Preferably, the wireless transmission module supports GPRS, NB-IOT and/or LoRa technologies.
Preferably, the system further comprises a remote control center, and the wireless transmission module transmits data to the remote control center.
Preferably, the power module comprises a built-in power supply and a matched battery module.
Preferably, the wireless gas detector further comprises a micro gas sampling pump.
Preferably, the wireless gas detector further comprises a GPS positioning module and a three-axis acceleration sensor.
Preferably, the wireless gas detector further comprises a PLC, an alarm controller, a preprocessing system and a gas sample reserving system, the wireless gas detector is connected with the main control module through an RS-485 serial interface, and the preprocessing system comprises a filtering system and a power supply system to supply power to the wireless gas detector.
Implement the utility model has the advantages that:
1. the gas sensing probe is arranged to be detachable, and various detachable probes are used, so that the applicable gas types are various;
2. the system algorithm is optimized, the main control module uses a microcontroller, the energy consumption of the detector is reduced, and the service cycle of the battery is prolonged;
3. the detector has a simple structure, is small in size, is suitable for a narrow environment, increases the suitable environment of the detector, and can be quickly installed by being provided with the quick installation bracket;
4. a micro gas sampling pump is arranged and matched with a bendable gas sampling pipe, so that the detector can be deployed without dead angles;
5. and the display module is arranged, and the wireless transmission module is arranged to transmit the detection data to the external equipment, so that the user can check the detection data conveniently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structure diagram of a whole system according to embodiment 1 of the present invention;
fig. 2 is a structural diagram of the detector and the internal power supply according to embodiment 1 of the present invention;
fig. 3 is a structural diagram of the disassembly of the detector and the matched power module in embodiment 2 of the present invention;
fig. 4 is a structural diagram of a detector and a solar power supply system according to embodiment 2 of the present invention;
fig. 5 is a diagram of a whole system according to embodiment 3 of the present invention.
In the above drawings, the reference numerals denote:
1-a display module; 2-a sensing module; 3-a main control module; 4-a wireless transmission module; 5-a power supply module; 6-a microcontroller; 7-an electricity storage battery; 8-gas sensing probe; 9-an analog-to-digital converter; 10-a liquid crystal screen; 11-internal power supply; 12-a matching power supply module; 13-a battery cover; 14-micro gas sampling pump; 15-a GPS positioning module; 16-a three-axis acceleration sensor; 17-PLC; 18-an alarm controller; 19-a pretreatment system; 20-gas sample retention system; 21-a transformer; 22-photoelectric conversion panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in 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.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1
In a specific embodiment of the present invention, a wireless gas detector, as shown in fig. 1 and 2, includes: the device comprises a display module 1, a sensing module 2, a main control module 3, a wireless transmission module 4 and a power supply module 5; wherein, the main control module 3 comprises a microcontroller 6; the sensing module 2 comprises a gas sensing probe 8 and an analog-to-digital converter 9, the gas sensing probe 8 is connected with the analog-to-digital converter 9, the analog-to-digital converter 9 is connected with the main control module 3, and the analog-to-digital converter 9 transmits a conversion result to the main control module 3 and is analyzed and processed by the main control module 3; the display module 1 is connected with the main control module 3 and displays the data result analyzed by the main control module 3, and the display module 1 comprises a liquid crystal screen 10; the wireless transmission module 4 is connected with the main control module 3, receives the data result and transmits the data result to external equipment; the power module 5 supplies power to the wireless gas detector.
The main control module 3 controls the sensing probe to detect the gas concentration, and the sensing module 2 converts the gas concentration into a digital signal and transmits the digital signal to the main control module 3. After receiving the digital signal, the main control module 3 transmits the digital signal to the display module 1 and the wireless transmission module 4, and the display module 1 displays the detection result, the working state of the detector and other information, so that a user can conveniently check the information. The wireless transmission module 4 can transmit the detection result, the working state of the detector and other information to external control and display equipment, the external equipment includes but is not limited to a PC and a mobile phone, and a user can also input control information through the wireless transmission module 4 to control the working state of the detector or modify data such as the electric signal conversion mode of the detector. The operation is convenient, the user can operate the detector without entering the to-be-detected environment field, the time cost and the labor cost of equipment maintenance are reduced, the equipment can be installed in a closed environment where subsequent inconvenient personnel enter, the environment suitable for the equipment is increased, and the compatibility of the equipment is improved.
Longer gas path channel gas does not need to be arranged in the detector, the structure of the detector is simplified, and the cost of the device is reduced. When the gas to be detected contacts the detector, the gas sensing probe 8 immediately starts working, the detected gas concentration is rapidly converted into an analog voltage or current signal, the waiting time of a user is reduced, and the detection efficiency is improved. The gas sensing probe 8 transmits the analog signal to the main control module 3, the analog-to-digital converter 9 converts the analog signal into a digital signal which can be recognized by the main control module 3, and the digital signal is transmitted to the main control module 3. The type of the analog-to-digital converter 9 can be selected according to the components of the gas to be detected, the type of the gas sensing probe 8 and the type of the microcontroller 6.
The power consumption of the display module 1 is large, the liquid crystal screen 10 can use low-power-consumption display screens such as a black-and-white liquid crystal dot matrix display screen, and a user can control the liquid crystal screen 10 to be opened or closed, so that the energy consumption of the display module 1 is reduced, the detector can conveniently distribute more electric quantity to the sensing module 2, the main control module 3 and the wireless transmission module 4, the maintenance period is prolonged, the reliability of the detector is improved, and the maintenance cost of the user is reduced.
In a preferred embodiment, as shown in FIG. 1, the gas sensing probe 8 is configured to be detachable, plug and play, and the gas sensing probe 8 types include IR, PID, EC, and/or MEMS semiconductors. The gas sensing probe 8 is detachable, different gas sensing probes 8 can be selected by a user according to data such as detection environment, types of gas to be detected, detection precision requirements and maintenance period, compatibility of the detector is improved, the user can be suitable for most detection scenes by using the same detector mold, and the detector mold can be produced in large scale and is beneficial to reducing cost of the detector. When the use scene is changed, the user only needs to change another plug-and-play sensor probe to detect, the operation is easy, and the use cost of the user is reduced. In the prior art, the detection sensitivity of the gas sensing probe 8 is gradually reduced along with the use, and the detector equipment needs to be calibrated or replaced again. When the gas sensing probe 8 is aged or damaged, a user only needs to replace a new gas sensing probe 8, and the maintenance cost is low.
In a preferred embodiment, the microcontroller 6 uses an ultra low power consumption single chip, as shown in figure 1. The wireless transmission module 4 can be provided with an intelligent algorithm for optimizing data uploading frequency and saving energy consumption, and meanwhile, the microcontroller 6 uses an ultra-low power consumption single chip microcomputer, so that the overall energy consumption of the detector is greatly reduced, and the service life of a battery is prolonged. The detector can use a battery with small volume and small electric quantity, and the ultra-low power consumption single chip microcomputer has small volume, so that the size of the detector is convenient to reduce, the detector is suitable for the environment with narrow space, and the compatibility of the detector is improved.
In a preferred embodiment, as shown in FIG. 1, the wireless transport module 4 supports GPRS, NB-IOT and/or LoRa technologies. When the external equipment supports the GPRS or NB-IOT technology, the connection mode of the detector and the external equipment is simple, and if the external equipment does not support the wireless communication technology, a user can adopt an ad hoc network LoRa wireless transmission mode to transmit detection data to the data detection platform in time. The user can select 4 types of wireless transmission modules according to on-site equipment, and the compatibility of the detector is improved.
In a preferred embodiment, a wireless gas detector, as shown in fig. 1, further includes a remote control center, and the wireless transmission module 4 transmits data to the remote control center. When the user needs to detect different positions of the area to be detected, a plurality of detectors need to be arranged, the user can go to different areas to patrol, check data of the detectors respectively, and also can check the data together through a remote control center. A user can log in a remote control center through a PC or a mobile phone APP, and the gas concentration value of each detection node can be checked at any time. The user can set up alarm system in remote control center, when certain detection node detected concentration surpassed the default, remote control center reported to the police for the user, improved the reliability of detector to alarm system sets up in remote control center, simplifies the detector structure. The user can also set a user identification system in the remote control center, so that the safety of the system is improved.
In a preferred embodiment, a wireless gas detection instrument, as shown in FIG. 1, further includes a micro gas sampling pump 14. By using the micro gas sampling pump 14, the ambient gas can quickly contact the gas sensing probe 8, and the response time of the detector is shortened. In certain high-concentration polluted gas environments, the safety of operators is effectively protected. A bendable gas sampling pipe can be arranged on the detector and connected with the micro gas sampling pump 14, so that the deployment without dead angles is realized.
In a preferred embodiment, as shown in fig. 1 and 2, a wireless gas detector further comprises a GPS positioning module 15 and a three-axis acceleration sensor 16. Under the conditions that the detector falls or is moved by mistake, the three-axis acceleration sensor 16 detects and monitors that the detector moves, prompts the microcontroller 6 to start the GPS positioning module 15 to collect the position of the detector and transmit the position to the display module 1 and the wireless transmission module 4, and avoids the damage of the wireless gas detector or the error of the monitoring result caused by the movement of the position.
In a preferred embodiment, as shown in fig. 1 and 2, the power module 5 includes a built-in power supply 11. The detector may use a battery as the internal power source 11 and a battery cover 13 is provided to fix the position of the battery, which is convenient for a user to hold the detector in hand and detect different areas in the detection site.
Example 2
In a preferred embodiment, unlike in example 1, the power module 5 includes a mating power module 12, as shown in fig. 3 and 4. When the detector needs to be fixed in a certain area for long-time detection, a user can open the battery cover 13 of the detector, take out the built-in battery 11 and screw in the matched power module 12, so that external power supply can be realized for the detector. The power module 12 may be externally connected to a commercial power or a power supply system, which includes but is not limited to a solar power supply system. The matched power module 12 is matched with the built-in power supply 11, so that the power supply mode is convenient to switch, the size of the power module 5 is reduced, and the size of the detector is effectively reduced.
In this specific embodiment, the detector uses a solar power supply system, the solar power supply system includes a transformer 21, a photoelectric conversion panel 22 and an electricity storage battery 7, the transformer 21 and the photoelectric conversion panel 22 are connected to the matching power module 12 through the transformer 21, and a voltage suitable for the detector is provided, so that the detector automatically operates for a long time, maintenance is not needed, maintenance cost is reduced, the transformer 21 is external, and the size of the detector is further reduced.
Example 3
In a preferred implementation manner, different from embodiments 1 and 2, as shown in fig. 5, the wireless gas detector further includes a PLC 17, an alarm controller 18, a preprocessing system 19, and a gas sample reserving system 20, and is connected to the main control module 3 through an RS-485 serial interface, where the preprocessing system 19 includes a filtering system and a power supply system, and the power supply system supplies power to the wireless gas detector. The RS-485 serial interface can be arranged in the matched power supply module 12, the matched power supply module 12 supplies power and transmits signals simultaneously, the size of the device is reduced, the pretreatment system 19 can remove solid small particles in the gas to be detected firstly, the solid small particles in the gas are prevented from being deposited on the gas sensing probe 8, the detection precision can be improved, and the service life of the device is prolonged. When the gas concentration is too high, the main control module 3 controls the alarm controller 18 to work and controls the gas sample reserving system 20 to reserve a sample for the gas, so that the subsequent analysis of a user is facilitated, and the reliability of the system is improved. The PLC 17 collects relevant data of the pretreatment system 19 and the gas sample reserving system 20, transmits the data to the main control module 3, and transmits the data to the display module 1 and the wireless transmission module 4 through the main control module 3.
The various embodiments listed above can be combined with each other without contradiction, and a person skilled in the art can combine the drawings and the above explanations of the embodiments as a basis for combining technical features of different embodiments.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (9)
1. A wireless gas detector, comprising:
the device comprises a display module, a sensing module, a main control module, a wireless transmission module and a power supply module; wherein,
the main control module comprises a microcontroller;
the sensing module comprises a gas sensing probe and an analog-to-digital converter, the gas sensing probe is connected with the analog-to-digital converter, the analog-to-digital converter is connected with the main control module, and the analog-to-digital converter transmits a conversion result to the main control module and is analyzed and processed by the main control module;
the display module is connected with the main control module and used for displaying the data result analyzed by the main control module, and the display module comprises a liquid crystal display;
the wireless transmission module is connected with the main control module, receives the data result and transmits the data result to external equipment;
and the power supply module supplies power to the wireless gas detector.
2. The wireless gas detector according to claim 1, wherein said gas sensing probe is configured to be detachable, plug and play, and said gas sensing probe is of a type comprising IR, PID, EC and/or MEMS semiconductors.
3. The wireless gas detector of claim 2, wherein the microcontroller uses an ultra-low power consumption single-chip microcomputer.
4. The wireless gas detector of claim 3, wherein the wireless transmission module supports GPRS, NB-IOT and/or LoRa technologies.
5. The wireless gas detector of claim 4, further comprising a remote control center, wherein the wireless transmission module transmits data to the remote control center.
6. The wireless gas detector according to claim 5, wherein the power module (5) comprises a built-in power supply and a mating battery module.
7. The wireless gas detector of claim 6, further comprising a micro gas sampling pump.
8. The wireless gas detector of claim 7, further comprising a GPS location module and a three-axis acceleration sensor.
9. The wireless gas detector according to claim 8, further comprising a PLC, an alarm controller, a preprocessing system and a gas sample reserving system, connected to the main control module via an RS-485 serial interface, wherein the preprocessing system includes a filtering system and a power supply system, and the power supply system supplies power to the wireless gas detector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920131932.8U CN209656656U (en) | 2019-01-25 | 2019-01-25 | A kind of wireless gas detecting instrument |
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| CN201920131932.8U CN209656656U (en) | 2019-01-25 | 2019-01-25 | A kind of wireless gas detecting instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337637A (en) * | 2020-04-27 | 2020-06-26 | 新疆丝路六合电气科技有限公司 | Electric power safety thing allies oneself with harmful gas detection instrument |
| CN112798734A (en) * | 2020-12-23 | 2021-05-14 | 苏州工业园区泰智测控技术有限公司 | Wireless emission type high-precision gas detector |
-
2019
- 2019-01-25 CN CN201920131932.8U patent/CN209656656U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337637A (en) * | 2020-04-27 | 2020-06-26 | 新疆丝路六合电气科技有限公司 | Electric power safety thing allies oneself with harmful gas detection instrument |
| CN112798734A (en) * | 2020-12-23 | 2021-05-14 | 苏州工业园区泰智测控技术有限公司 | Wireless emission type high-precision gas detector |
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