CN219608107U - Portable thermal environment parameter detection device for high-temperature thermal damage mine - Google Patents

Portable thermal environment parameter detection device for high-temperature thermal damage mine Download PDF

Info

Publication number
CN219608107U
CN219608107U CN202320877465.XU CN202320877465U CN219608107U CN 219608107 U CN219608107 U CN 219608107U CN 202320877465 U CN202320877465 U CN 202320877465U CN 219608107 U CN219608107 U CN 219608107U
Authority
CN
China
Prior art keywords
temperature
module
monitoring
wind speed
humidity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320877465.XU
Other languages
Chinese (zh)
Inventor
李士栋
简俊常
马砺
刘恒
秦志华
周常徐
闫玉山
周忠桥
孟洋洋
张震
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian University of Science and Technology
Yankuang Energy Group Co Ltd
Original Assignee
Xian University of Science and Technology
Yankuang Energy Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian University of Science and Technology, Yankuang Energy Group Co Ltd filed Critical Xian University of Science and Technology
Priority to CN202320877465.XU priority Critical patent/CN219608107U/en
Application granted granted Critical
Publication of CN219608107U publication Critical patent/CN219608107U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The utility model discloses a portable thermal environment parameter detection device for a high-temperature thermal injury mine, which is applied to the technical field of thermal comfort environments. The device comprises a box body shell, wherein a wind speed monitoring module, a temperature and humidity monitoring module, an information display and control module, a power module and a monitoring track recording module are sequentially arranged in the box body shell from top to bottom; the wind speed monitoring module, the temperature and humidity monitoring module and the monitoring track recording module are all in communication connection with the information display and control module; the power module is electrically connected with the wind speed monitoring module, the temperature and humidity monitoring module, the monitoring track recording module and the information display and control module. The device is small, simple and convenient, belongs to a portable device, and can monitor the thermal environment parameters in a mine tunnel in a movable way and feed back information in time.

Description

Portable thermal environment parameter detection device for high-temperature thermal damage mine
Technical Field
The utility model relates to the technical field of thermal comfort environments, in particular to a portable thermal environment parameter detection device for a high-temperature thermal damage mine.
Background
Along with the continuous development of the current society and economy, the living standard of people is continuously improved, the pursuit of living quality is higher and higher, and the requirement on environmental comfort is also improved; however, most of the existing thermal environment test auxiliary devices cannot adjust the position of the detection equipment according to requirements when in use, so that the detection equipment cannot detect the temperature of each layer in the indoor space, the detection range is narrow, the data volume collected by detection is small, and the accuracy of the thermal environment parameter distribution test result is low.
The existing mine thermal environment measuring device is single, only one parameter is simply detected, and great waste and dispersion are realized; the lack of a device for specifically detecting the thermal environment underground; the equipment is inconvenient to install; the existing device lacks a continuous detection function; in a mine, the more the measuring devices are, the more the space is needed, so that the underground space is greatly reduced; the monitored data change trend cannot be intuitively displayed and stored for a short period of time.
Therefore, a portable thermal environment parameter detection device for a high-temperature thermal injury mine is provided to solve the problems of the prior art, which are needed to be solved by the person skilled in the art.
Disclosure of Invention
In view of the above, the utility model provides a portable thermal environment parameter detection device for a high-temperature heat damage mine.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the portable thermal environment parameter detection device for the high-temperature heat damage mine comprises a box shell, wherein a wind speed monitoring module, a temperature and humidity monitoring module, an information display and control module, a power module and a monitoring track recording module are sequentially arranged in the box shell from top to bottom; the wind speed monitoring module, the temperature and humidity monitoring module and the monitoring track recording module are all in communication connection with the information display and control module; the power module is electrically connected with the wind speed monitoring module, the temperature and humidity monitoring module, the monitoring track recording module and the information display and control module.
Optionally, the information display and control module includes: the information display and control module comprises: a touch display screen and a PLC controller; the touch control display screen is in communication connection with the PLC, and a display screen switch, a wind speed monitoring module state indicator lamp and a temperature and humidity monitoring module state indicator lamp are arranged on the touch control display screen; the wind speed monitoring module state indicator lamp is electrically connected with the wind speed monitoring module and is used for displaying the working state of the wind speed monitoring module; the temperature and humidity monitoring module state indicator lamp is electrically connected with the temperature and humidity monitoring module and used for displaying the working state of the temperature and humidity monitoring module.
The technical scheme achieves the following effects: the display screen switch, the wind speed monitoring module state indicator lamp and the temperature and humidity monitoring module state indicator lamp are designed by fireproof materials, one end of the display screen switch is provided with the display screen switch of the control device switch, and the other end is provided with the wind speed monitoring module state indicator lamp and the temperature and humidity monitoring module state indicator lamp; the touch display screen is used for feeding back information and adjusting the control device, so that the real-time state of the detection data can be more intuitively known.
Optionally, the touch display screen adopts a multifunctional touch screen type control panel.
Optionally, the wind speed monitoring module includes: the device comprises a wind speed monitoring processor, a transmitting probe, a receiving probe, a probe bracket, a push button and a linkage rod; one side of the linkage rod is connected with a probe support, the probe support is fixedly connected with the top of the box shell, the two sides of the probe support are correspondingly provided with a transmitting probe and a receiving probe, the probe support is connected with a wind speed monitoring processor through a first data transmission line, and the wind speed monitoring processor is connected with a touch display screen through a wind speed monitoring command input line, a wind speed monitoring output line and a wind speed monitoring module state indicator lamp.
Optionally, the temperature and humidity monitoring module includes: a temperature and humidity monitoring processor and a temperature and humidity monitoring probe; the temperature and humidity monitoring processor is in communication connection with the temperature and humidity monitoring probe, one side of the inner wall of the box body shell is provided with an air inlet grille, the other side corresponding to the air inlet grille is provided with an air outlet, and the temperature and humidity monitoring probe is arranged in the air inlet grille; the temperature and humidity monitoring probe is connected with the temperature and humidity monitoring processor through a temperature and humidity monitoring transmission line, and the temperature and humidity monitoring processor is in communication connection with the information display and control module through a temperature and humidity monitoring output line and a temperature and humidity monitoring instruction input line.
Optionally, the power module and the monitoring track recording module are arranged at the bottom of the case shell in parallel.
Optionally, the monitoring track recording module adopts an inertial measurement device, and the inertial measurement device is in communication connection with the information display and control module through an inertial measurement unit instruction input line and a track recording output line.
Optionally, the bottom of box shell is equipped with charge mouth and USB interface, and charge mouth is connected with the lithium cell through the circuit, and USB interface exports circuit and information display and control module communication connection through speed and position data.
Compared with the prior art, the utility model discloses a portable thermal environment parameter detection device for a high-temperature heat damage mine, which has the beneficial effects that:
1) Compared with the existing device for monitoring the thermal environment, the existing thermal environment detection is used for independently monitoring a single parameter, and the utility model integrates the temperature, the humidity and the wind speed of the thermal environment monitoring, reduces the occupied space and improves the monitoring efficiency;
2) The device belongs to a portable device, and can be used for detection in any space of a mine;
3) Compared with the existing monitoring mode, the device has the advantages of simple structure, accurate measurement and high monitoring efficiency;
4) The method can continuously monitor a certain position of the mine, and can visually see the change of data through the display screen;
5) The monitoring track and the travelling speed in the monitoring process can be recorded.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a system for a portable thermal environment parameter detection device for a high temperature heat damage mine provided by the utility model;
FIG. 2 is an internal view of a portable thermal environment parameter sensing device for a high temperature heat damage mine provided by the utility model;
FIG. 3 is a front view showing a detection state of a portable thermal environment parameter detection device for a high-temperature heat damage mine;
FIG. 4 is a front view of a portable thermal environment parameter sensing device for use in a high temperature heat damage mine in an undetected state according to the present utility model;
fig. 5 is a flow chart of an internal information processing process of the display module provided by the utility model.
The intelligent temperature and humidity monitoring system comprises a 1-box shell, a 2-touch display screen, a 3-charging port, a 4-lithium battery, a 5-air inlet grille, a 6-push button, a 7-linkage rod, an 8-wind speed monitoring module state indicator, a 9-temperature and humidity monitoring module state indicator, a 10-display screen switch, a 11-transmitting probe, a 12-receiving probe, a 13-energizing line, a 14-third power supply line, a 15-second power supply line, a 16-first power supply line, a 17-temperature and humidity monitoring probe, a 18-wind speed monitoring output line, a 19-wind speed monitoring command input line, a 20-temperature and humidity monitoring output line, a 21-temperature and humidity monitoring command input line, a 22-probe support, a 23-air outlet, a 24-first data transmission line, a 25-second data transmission line, a 26-wind speed monitoring processor, a 27-temperature and humidity monitoring processor, a 28-fourth power supply line, a 29-inertia measuring device, a 30-USB interface, a 31-inertia measuring unit command input line, a 32-track record output line and a 33-speed and position data derivation line.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the utility model discloses a portable thermal environment parameter detection device for a high-temperature heat damage mine, which comprises: the intelligent monitoring system comprises a box body shell 1, wherein a wind speed monitoring module, a temperature and humidity monitoring module, an information display and control module, a power module and a monitoring track recording module are sequentially arranged in the box body shell 1 from top to bottom; the wind speed monitoring module, the temperature and humidity monitoring module and the monitoring track recording module are all in communication connection with the information display and control module; the power module is electrically connected with the wind speed monitoring module, the temperature and humidity monitoring module, the monitoring track recording module and the information display and control module.
Further, the information display and control module includes: the touch control display screen 2 and the PLC controller; the touch control display screen 2 is in communication connection with the PLC, and a display screen switch 10, a wind speed monitoring module state indicator lamp 8 and a temperature and humidity monitoring module state indicator lamp 9 are arranged on the touch control display screen 2; the wind speed monitoring module state indicator lamp 8 is electrically connected with the wind speed monitoring module and is used for displaying the working state of the wind speed monitoring module; the temperature and humidity monitoring module state indicator lamp 9 is electrically connected with the temperature and humidity monitoring module and is used for displaying the working state of the temperature and humidity monitoring module.
Further, the touch display screen 2 adopts a multifunctional touch screen type control panel.
Further, the wind speed monitoring module includes: the wind speed monitoring processor 26, the transmitting probe 11, the receiving probe 12, the probe bracket 22, the push button 6 and the linkage rod 7; one side of the linkage rod 7 is connected with a probe support 22, the probe support 22 is fixedly connected with the top of the box body housing 1, the two sides of the probe support 22 are correspondingly provided with a transmitting probe 11 and a receiving probe 12, the probe support 22 is connected with a wind speed monitoring processor 26 through a data transmission line 24, and the wind speed monitoring processor 26 is connected with the touch display screen 2 through a wind speed monitoring command input line 19, a wind speed monitoring output line 18 and a wind speed monitoring state indicator lamp 8.
Specifically, in the wind speed monitoring module, the transmitting probe 11 and the receiving probe 12 are embedded on the probe support, the size of the transmitting probe 11 and the receiving probe 12 is 110mm, the support is contained in the cuboid box body when not in use, and when in use, the push button arranged at the right upper end of the box body is pushed upwards to the top end, and the linkage rod connected with the push button is driven to enable the probe support to leak out of the box body for detection.
Further, the humiture monitoring module includes: a temperature and humidity monitoring processor 27 and a temperature and humidity monitoring probe 17; the temperature and humidity monitoring processor 27 is in communication connection with the temperature and humidity monitoring probe 17, one side of the inner wall of the box body shell 1 is provided with an air inlet grille 5, the other side corresponding to the air inlet grille 5 is provided with an air outlet 23, and the temperature and humidity monitoring probe 17 is arranged in the air inlet grille 5; the temperature and humidity monitoring probe 17 is connected with a temperature and humidity monitoring processor 27 through a temperature and humidity transmission line 25, and the temperature and humidity monitoring processor 27 is in communication connection with an information display and control module through a temperature and humidity monitoring data output line 20 and a temperature and humidity monitoring instruction input line 21.
Specifically, the casing is an explosion-proof rectangular box body which is made of ABS engineering materials, has the size of 160 mm-120 mm-36 mm and the thickness of 3mm, and is mainly used for accommodating all modules; charging a high-performance explosion-proof battery (the duration is 48h in a use state) with a charging port of YSN-1208800 model, and supplying power to each monitoring module through a main power line; the size of the air inlet grid and the air outlet is 100 mm/30 mm, and all the periphery is in a sealing state except for the circuit pipe holes; the display screen size is 110mm, 65mm, 30mm, embedded on the cuboid box body, and four sides are sealed.
Further, the power module and the monitoring track recording module are arranged at the bottom of the box body shell 1 in parallel.
Further, the monitoring track recording module adopts an inertial measurement device 29, and the inertial measurement device 29 is in communication connection with the information display and control module through an inertial measurement unit command input line 31 and a track recording output line 32.
Specifically, the monitoring track recording module adopts a BW-IMU127 inertial measurement unit as a core, the size of the monitoring track recording module is 55mm 36mm, and the applicable temperature range is-40 ℃ to +85 ℃.
Further, a charging port 3 and a USB interface 30 are arranged at the bottom of the box body shell 1, the charging port 3 is connected with the lithium battery 4 through a circuit, and the USB interface 30 is in communication connection with the information display and control module through a speed and position data deriving circuit 33.
Referring to fig. 3, a front view of a detection state of a portable thermal environment parameter detection device for a high-temperature heat damage mine is provided; referring to fig. 4, a front view of an undetected state of a portable thermal environment parameter detection apparatus for a high-temperature heat damage mine is provided.
The specific operation steps are as follows:
at the position needing to be monitored in the pit, a worker holds the equipment, pushes the support probe of the wind speed monitoring module to the top end through the push button, opens the switch of the display screen, adjusts the wind speed monitoring module, the temperature and humidity monitoring module and the inertia measuring unit to the running state through the touch-control display screen, and directly faces the equipment, and then can start monitoring. In the use process, the pulverized coal dust carried in the wind current is attached to the wind grating and the monitoring probe possibly due to overlong time, so that the wind window and the monitoring probe are required to be cleaned regularly, and the accuracy of data monitoring is ensured.
In a specific embodiment, referring to fig. 2, the wind speed monitoring module lifts the probe support 22 through the push button 6 before detection, supplies power to the wind speed monitoring module through the first power supply line 16, the transmitting probe 11 transmits ultrasonic waves, the receiving probe 12 receives the ultrasonic waves, calculates the wind speed at a certain point through the time difference method, the measured data is transmitted to the wind speed monitoring processor 26 through the first data transmission line 24, the measured signal converts the analog signal into a digital signal through the a/D, and the digital signal is transmitted to the display module through the wind speed monitoring value output line through the I/O output end.
The temperature and humidity monitoring module is powered by the second power supply line 15; the wind flows through the air inlet grille 5 to the temperature and humidity monitoring probe 17 and flows out through the air outlet 23, the measured data are transmitted to the temperature and humidity monitoring processor 27 through the second data transmission line 25, the A/D converts the analog signals into digital signals, and the digital signals are transmitted to the display module through the I/O output end temperature and humidity monitoring output line 20.
The information display and control module is characterized in that a third power supply line 14 provides a power source, a device is opened through a display screen switch 10, an adjusting instruction is input on a touch-control display screen, the state of a monitoring module is adjusted through an air speed monitoring instruction input line 19 and a temperature and humidity monitoring module instruction input line 21, and monitoring is started when an air speed monitoring module state indicator lamp 8 and a temperature and humidity monitoring module state indicator lamp 9 reach a specified state; the internal information processing process of the display module is shown in fig. 5, the two modules transmit data to a DSM (data storage unit), the data stored in a short period are transmitted to an MPU (micro processor unit) for data analysis, and real-time display is carried out on a display screen; and the data of the data storage unit can be exported through the USB interface by the data transmission line 33 for analysis.
The track monitoring module is a power source provided by a fourth power supply line 28, an inertial measurement device 29 measures angular velocity and acceleration acquisition track records through a high-performance Kalman filtering algorithm, the data are transmitted to a DSM in the touchable display screen 2 through a TXD transmission line through the track records for short-term data storage, the data are exported through a velocity and position data export line 33 and a USB interface 30 for analysis and detection paths, and the velocity in the detection process is analyzed in combination with the detection time.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The portable thermal environment parameter detection device for the high-temperature heat damage mine is characterized by comprising a box shell (1), wherein a wind speed monitoring module, a temperature and humidity monitoring module, an information display and control module, a power module and a monitoring track recording module are sequentially arranged in the box shell (1) from top to bottom; the wind speed monitoring module, the temperature and humidity monitoring module and the monitoring track recording module are all in communication connection with the information display and control module; the power module is electrically connected with the wind speed monitoring module, the temperature and humidity monitoring module, the monitoring track recording module and the information display and control module.
2. The portable thermal environment parameter sensing device for high temperature heat damage mine of claim 1, wherein the information display and control module comprises: a touch control display screen (2) and a PLC controller; the touch control display screen (2) is in communication connection with the PLC, and a display screen switch (10), a wind speed monitoring module state indicator lamp (8) and a temperature and humidity monitoring module state indicator lamp (9) are arranged on the touch control display screen (2); the wind speed monitoring module state indicator lamp (8) is electrically connected with the wind speed monitoring module and is used for displaying the working state of the wind speed monitoring module; the temperature and humidity monitoring module state indicator lamp (9) is electrically connected with the temperature and humidity monitoring module and is used for displaying the working state of the temperature and humidity monitoring module.
3. The portable thermal environment parameter detection device for the high-temperature heat damage mine according to claim 2, wherein the touch display screen (2) adopts a multifunctional touch screen type control panel.
4. The portable thermal environment parameter detection device for high temperature heat damage mine of claim 1, wherein the wind speed monitoring module comprises: the wind speed monitoring processor (26), the transmitting probe (11), the receiving probe (12), the probe bracket (22), the push button (6) and the linkage rod (7); one side of the linkage rod (7) is connected with a probe support (22), the probe support (22) is fixedly connected with the top of the box body housing (1), the two sides of the probe support (22) are correspondingly provided with a transmitting probe (11) and a receiving probe (12), the probe support (22) is connected with a wind speed monitoring processor (26) through a first data transmission line (24), and the wind speed monitoring processor (26) is connected with a touch display screen (2) through a wind speed monitoring instruction input line (19), a wind speed monitoring output line (18) and a wind speed monitoring module state indicator lamp (8).
5. The portable thermal environment parameter detection device for high-temperature heat damage mines according to claim 1, wherein the temperature and humidity monitoring module comprises: a temperature and humidity monitoring processor (27) and a temperature and humidity monitoring probe (17); the temperature and humidity monitoring device comprises a temperature and humidity monitoring processor (27) and a temperature and humidity monitoring probe (17), wherein one side of the inner wall of a box body shell (1) is provided with an air inlet grille (5), the other side corresponding to the air inlet grille is provided with an air outlet (23), and the temperature and humidity monitoring probe (17) is arranged in the air inlet grille (5); the temperature and humidity monitoring probe (17) is connected with the temperature and humidity monitoring processor (27) through the temperature and humidity transmission line (25), and the temperature and humidity monitoring processor (27) is in communication connection with the information display and control module through the temperature and humidity monitoring output line (20) and the temperature and humidity monitoring instruction input line (21).
6. The portable thermal environment parameter detecting device for high-temperature heat damage mine according to claim 1, wherein,
the power module and the monitoring track recording module are arranged at the bottom of the box body shell (1) in parallel.
7. The portable thermal environment parameter detecting device for high-temperature heat damage mine according to claim 1, wherein,
the monitoring track recording module adopts an inertial measurement device (29), and the inertial measurement device (29) is in communication connection with the information display and control module through an inertial measurement unit instruction input line (31) and a track recording output line (32).
8. The portable thermal environment parameter detecting device for high-temperature heat damage mine according to claim 1, wherein,
the bottom of box shell (1) is equipped with charge mouth (3) and USB interface (30), and charge mouth (3) are connected with lithium cell (4) through the circuit, and USB interface (30) are connected with information display and control module communication through speed and position data derivation circuit (33).
CN202320877465.XU 2023-04-14 2023-04-14 Portable thermal environment parameter detection device for high-temperature thermal damage mine Active CN219608107U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320877465.XU CN219608107U (en) 2023-04-14 2023-04-14 Portable thermal environment parameter detection device for high-temperature thermal damage mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320877465.XU CN219608107U (en) 2023-04-14 2023-04-14 Portable thermal environment parameter detection device for high-temperature thermal damage mine

Publications (1)

Publication Number Publication Date
CN219608107U true CN219608107U (en) 2023-08-29

Family

ID=87743267

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320877465.XU Active CN219608107U (en) 2023-04-14 2023-04-14 Portable thermal environment parameter detection device for high-temperature thermal damage mine

Country Status (1)

Country Link
CN (1) CN219608107U (en)

Similar Documents

Publication Publication Date Title
CN201177594Y (en) Dust concentration sensor
CN203672855U (en) Portable air quality detecting instrument based on T-shaped channel
CN203964959U (en) A kind of stockyard spontaneous combustion of coal pick-up unit
CN105737886A (en) Mining multi-parameter measuring device
CN202256247U (en) Multifunction handheld harmful gas detector
CN219608107U (en) Portable thermal environment parameter detection device for high-temperature thermal damage mine
CN205607948U (en) Methane carbon monoxide detector alarm
CN102384360B (en) Mine lamp with functions of displaying carbon monoxide concentration in digitized way, detecting carbon monoxide concentration and alarming
CN110320331A (en) A kind of Atmosphere Environment Monitoring System Bases
CN203759570U (en) Intelligent control apparatus for greenhouse
CN206540736U (en) A kind of intelligent atmosphere sampling instrument
CN203880877U (en) Remote control device of air purifier
CN105301219A (en) CJT4/1000X suspended type methane and carbon monoxide detector
CN219285826U (en) Fire smoke sensor calibration device
CN211426409U (en) Atmospheric environment monitoring system
CN203630936U (en) Communication information acquiring and transmitting device
CN218157533U (en) Perfluoroisobutyronitrile and carbon dioxide mixing ratio detector
CN203717034U (en) Intelligent mine ventilation monitoring and adjusting device
CN211904257U (en) Closed compensation NB-IoT ultrasonic water meter
CN202221321U (en) Miniature indoor environment detection case possessing data real time publish function
CN208239404U (en) A kind of air quality detector
CN206532141U (en) Nuclear power station intelligent patrol detection device
CN207336468U (en) Public place microclimate air quality detector
CN206683676U (en) A kind of boiler parameter harvester
CN201650367U (en) Portable gas outburst predicting instrument

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant