CN210572216U

CN210572216U - Miniature gas monitoring device

Info

Publication number: CN210572216U
Application number: CN201921198616.9U
Authority: CN
Inventors: 崔善超; 刘亮; 王杨匀; 陈云; 李柏雨
Original assignee: JIANGSU RED LIGHT INSTRUMENT AND METER PLANT CO LTD
Current assignee: JIANGSU RED LIGHT INSTRUMENT AND METER PLANT CO LTD
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-05-19
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a miniature gas monitoring device, including setting up wind direction sensor and the wind speed sensor in rack upper end both sides, the gaseous sampling probe and the environment changer at rack top, wind direction sensor, wind speed sensor and environment changer all with data acquisition module signal connection, gaseous acquisition probe passes through the trachea and is connected with the inlet end of aspiration pump, the end of giving vent to anger of aspiration pump with the inlet end intercommunication of filter, the inlet end of three-way valve is connected to the end of giving vent to anger of filter. The device has the advantages that the device is more compact in structural design, small in occupied space and free of storing standard gas cylinders, when correction is needed, an operator only needs to carry a portable gas cylinder to connect a standard gas interface, the correction can be realized by switching the three-way valve, and the occupied area and the processing cost are greatly reduced; meanwhile, the device gives consideration to the influence of wind direction, wind speed, temperature, humidity and atmospheric pressure on the detection result, so that the authenticity of the detection data is better, and the processing guidance is stronger.

Description

Miniature gas monitoring device

Technical Field

The utility model relates to a monitoring devices, in particular to miniature gas monitoring devices.

Background

The odor is the general term of various odors (peculiar smells), the peculiar smell in the atmosphere, water and waste is sensed by acting on the olfactory thinking of people through an air medium, and the characterization of the odor is not only based on analysis data, but also needs to be analyzed and judged through the sensing thinking of people. According to the discussion at home and abroad, the malodor can be defined as any gas that can harm the living environment of human beings, produce intolerable odor or produce unpleasant feeling, and is commonly called malodor.

The electronic nose is an odor fingerprint detection method, the spectrum displayed by the detection result is also called an odor fingerprint spectrum, and is a new object which is developed rapidly in the last decade, and the device mainly utilizes an odor sensor, data processing equipment and analysis software, takes gas as an analysis object, captures and detects the odor to be detected through a human olfactory system, so the odor fingerprint detection device is called the electronic nose vividly, and the odor fingerprint detection technology is also called the electronic nose technology. The electronic nose online stink detector can continuously monitor the stink condition of a specific position in real time within the time of hours, days or even months, and analyze the influence on the peripheral area.

An online detection device based on environment malodor monitoring electronic nose remote inverse control is disclosed in the patent CN108362840A published by the prior application at present, but the device still has the phenomenon of inaccurate monitoring data in the use process, and does not take into account the influence of the external actual environment on the detection result, such as wind direction factors, wind blows from west to east, the measurement data is certainly higher, if the wind blows from east to west, the measurement value is lower, so that the detection data has larger error; factors such as wind speed: when the wind speed is high, the polluted gas is easy to blow away, and the measured value is small; for example, parameters such as temperature and humidity also affect the measurement data, and technicians need to make a judgment according to historical experience and combination of meteorological environment and measurement data; meanwhile, the structure is excessively complex, the gas circuit preparation sections are more, the occupied area is large, the installation cost is high, and the popularization and the use of enterprises are not facilitated. To this end, we propose a micro gas monitoring device.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a miniature gas monitoring device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a miniature gas monitoring device, is including setting up wind direction sensor and the wind speed sensor in rack upper end both sides, the gaseous sampling probe and the environment changer at rack top, wind direction sensor, wind speed sensor and environment changer all with data acquisition module signal connection, gaseous sampling probe passes through the trachea and is connected with the inlet end of aspiration pump, the end of giving vent to anger of aspiration pump with the inlet end intercommunication of filter, the inlet end of the end connection three-way valve of giving vent to anger of filter, another inlet end connection mark gas interface of three-way valve, the end of giving vent to anger of three-way valve and the inlet end intercommunication of flowmeter, the end intercommunication of giving vent to anger of flowmeter sensor module, and sensor module and data acquisition module signal connection, data acquisition module and touch-sensitive screen signal connection, touch-sensitive screen and 4G data transmission module signal connection.

Further, the sensor module is an odor sensor, an ammonia sensor, a nitrogen dioxide sensor and a sulfur dioxide sensor.

Further, a pressure regulating valve is arranged on an air outlet pipeline of the flowmeter.

Further, the 4G data transmission module is electrically connected with a signal antenna arranged outside the cabinet.

The air switch is electrically connected with the air outlet, and a water outlet and an evacuation port are respectively arranged on two sides of the bottom of the cabinet.

Further, the water outlet is connected with the filter through a pipeline.

Furthermore, the cabinet surface layer is provided with an observation window for checking the touch screen.

Compared with the prior art, the utility model discloses following beneficial effect has:

the wind direction and the wind speed of a detection environment can be recorded in real time by arranging the wind direction sensor, the environment transmitter and the wind speed sensor, the temperature, the humidity and the atmospheric pressure in the environment are monitored by the environment transmitter, and the detection data are fed back together with the malodorous gas detection sensor in the prior art, so that the accuracy of real-time data is better ensured, the later data analysis is more accurate, and the auxiliary guidance effect is stronger;

the air outlet end of the filter is connected with one air inlet end of the three-way valve, the other air inlet end of the three-way valve is connected with the standard air interface, and the air outlet end of the three-way valve is communicated with the air inlet end of the flowmeter;

thirdly, the pressure regulating valve controls the flow rate of the gas, and the gas flow is stabilized and then sent to the sensor module for detection;

in conclusion, the device is more compact in structural design, small in occupied space, free of storing standard gas cylinders, and capable of achieving correction only by carrying a portable gas cylinder to be connected with a standard gas interface and switching a three-way valve when correction is needed, so that the occupied area and the processing cost are greatly reduced; meanwhile, the device gives consideration to the influence of wind direction, wind speed, temperature, humidity and atmospheric pressure on the detection result, so that the authenticity of the detection data is better, and the processing guidance is stronger.

Drawings

FIG. 1 is a schematic view of the internal structure of the miniature air monitoring device of the present invention;

FIG. 2 is a schematic diagram of the line connection of the miniature air monitoring device of the present invention;

fig. 3 is the external structure schematic diagram of the miniature air monitoring device of the present invention.

In the figure: 1. a wind direction sensor; 2. a gas sampling probe; 3. an environmental transmitter; 4. a wind speed sensor; 5. an air switch; 6. a data acquisition module; 7. a 4G data transmission module; 8. a flow meter; 9. an air pump; 10. a sensor module; 11. a power supply module; 12. a signal antenna; 13. a filter; 14. a pressure regulating valve; 15. a three-way valve; 16. a standard gas interface; 17. a water outlet; 18. emptying the air; 19. a touch screen; 20. a cabinet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The following embodiments relate to electrical connection methods of electrical components and devices that all use the prior art, and the types of the electrical components and devices are as follows:

the model of the wind direction sensor 1 is as follows: PHWDZ-24V-A1;

the environment transmitter 3 model is: CTW-6141;

the model of the wind speed sensor 4 is as follows: RS-FS-I20;

the model of the data acquisition module is as follows: SY-16CJ produced by Sujiu group;

the model of the 4G data transmission module is as follows: shaogu Chilian DT7710FA

The type of the flowmeter is as follows: 701 HB; the model of the air pump is kamore brand KVP 8-KB-S;

the filter model is: SS-2T

Embedded integrated touch screen: kunlun state TPC7062 TD;

as shown in figures 1-3, a miniature gas monitoring device comprises a wind direction sensor 1 and a wind speed sensor 4 arranged on two sides of the upper end of a cabinet 20, a gas sampling probe 2 and an environment transmitter 3 arranged on the top of the cabinet 20, wherein the wind direction sensor 1, the wind speed sensor 4 and the environment transmitter 3 are all in signal connection with a data acquisition module 6 through 4-20ma signal lines, the gas sampling probe 2 is connected with the air inlet end of a suction pump 9 through an air pipe, the air outlet end of the suction pump 9 is communicated with the air inlet end of a filter 13, the air outlet end of the filter 13 is connected with one air inlet end of a three-way valve 15, the other air inlet end of the three-way valve 15 is connected with a standard gas interface 16, the air outlet end of the three-way valve 15 is communicated with the air inlet end of a flowmeter 8, a pressure regulating valve 14 is arranged on the air outlet pipeline of the flowmeter 8, Ammonia sensor, nitrogen dioxide sensor and sulfur dioxide sensor, and sensor module 10 and data acquisition module 6 realize signal connection through 4-20ma signal line, data acquisition module 6 and embedding integral type touch-sensitive screen 19 realize signal connection through the RS485 signal line, embedding integral type touch-sensitive screen 19 and 4G data transmission module 7 realize signal connection through the RS485 signal line, 4G data transmission module 7 is connected the signal antenna 12 that sets up in the rack 20 outside through the antenna lead wire electricity.

The air conditioner further comprises a power module 11 arranged in the cabinet 20, the power module 11 is electrically connected with the air switch 5, the power module 11 converts a 220V power supply into 24V power supply, then the power supply is electrically connected with each sensor and used for supplying power, a water outlet 17 and an evacuation port 18 are respectively arranged on two sides of the bottom of the cabinet 20, the water outlet 17 is connected with the filter 13 through a pipeline, and the sensor module 10 discharges measured air through the evacuation port 18.

Wherein, be equipped with the observation window that is used for looking over touch-sensitive screen 20 on the rack 20 top layer, the observation window is fixed on the cabinet door, and this kind of design plays the guard action to inside electrical components.

It should be noted that, the utility model relates to a miniature gas monitoring device, in operation, connect municipal power supply 220V line, open air switch 5, insert standard gas through mark gas interface 16, the pipeline that three-way valve 15 connects mark gas interface 16 this moment is opened, the gas circuit of connecting filter 13 is closed, mark the device, confirm the calibration cycle according to the in-use situation, generally, half a year or a year is once marked, after marking, when normal use, the air extracting pump 9 sucks the gas that gas sampling probe 2 gathered, and then it filters to enter filter 13, the steam that produces in the filter 13 filtering process is discharged from outlet 17, the gas after the filtration gets into flowmeter 8, adjust the gas flow who gets into sensor module 10 through air-vent valve 14, data transfer to data acquisition module 6 and final feedback on touch-sensitive screen 19 after the analysis of odor sensor, ammonia sensor, nitrogen dioxide sensor and sulfur dioxide sensor is accomplished, meanwhile, the detected data are fed back to the cloud platform by matching with the functions of the 4G data transmission module 7, then the detected data are checked through a computer or a mobile phone, finally, the detected tail gas is discharged from the evacuation port 18, and when the detection is needed, the door of the cabinet 20 is opened for maintenance.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A miniature gas monitoring device which characterized in that: the device comprises wind direction sensors (1) and wind speed sensors (4) arranged on two sides of the upper end of a cabinet (20), a gas sampling probe (2) and an environment transmitter (3) arranged at the top of the cabinet (20), wherein the wind direction sensors (1), the wind speed sensors (4) and the environment transmitter (3) are in signal connection with a data acquisition module (6), the gas sampling probe (2) is connected with the air inlet end of an air pump (9) through an air pipe, the air outlet end of the air pump (9) is communicated with the air inlet end of a filter (13), the air outlet end of the filter (13) is connected with the air inlet end of a three-way valve (15), the other air inlet end of the three-way valve (15) is connected with a standard air interface (16), the air outlet end of the three-way valve (15) is communicated with the air inlet end of a flowmeter (8), the air outlet end of the flowmeter (8) is communicated with a sensor module (10), and the sensor module (10) is in, the data acquisition module (6) is in signal connection with the touch screen (19), and the touch screen (19) is in signal connection with the 4G data transmission module (7).

2. A micro gas monitoring device according to claim 1, wherein: the sensor module (10) is an odor sensor, an ammonia sensor, a nitrogen dioxide sensor and a sulfur dioxide sensor.

3. A micro gas monitoring device according to claim 1, wherein: and a pressure regulating valve (14) is arranged on the air outlet pipeline of the flowmeter (8).

4. A micro gas monitoring device according to claim 1, wherein: the 4G data transmission module (7) is connected with a signal antenna (12) arranged on the outer side of the cabinet (20).

5. A micro gas monitoring device according to claim 1, wherein: the air switch is characterized by further comprising a power module (11) arranged in the cabinet (20), wherein the power module (11) is electrically connected with the air switch (5), and a water outlet (17) and an evacuation port (18) are respectively formed in two sides of the bottom of the cabinet (20).

6. A micro gas monitoring device according to claim 5, wherein: the water outlet (17) is connected with the filter (13) through a pipeline.

7. A micro gas monitoring device according to claim 1, wherein: and an observation window for viewing the touch screen (19) is arranged on the surface layer of the cabinet (20).