CN110824990A - Three-proofing ventilation system of civil air defense engineering - Google Patents
Three-proofing ventilation system of civil air defense engineering Download PDFInfo
- Publication number
- CN110824990A CN110824990A CN201911105486.4A CN201911105486A CN110824990A CN 110824990 A CN110824990 A CN 110824990A CN 201911105486 A CN201911105486 A CN 201911105486A CN 110824990 A CN110824990 A CN 110824990A
- Authority
- CN
- China
- Prior art keywords
- proofing
- engineering
- data
- control platform
- civil air
- 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.)
- Pending
Links
- 230000007123 defense Effects 0.000 title claims abstract description 33
- 238000009423 ventilation Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000007726 management method Methods 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 10
- 238000013523 data management Methods 0.000 claims description 7
- 239000002341 toxic gas Substances 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 229910052704 radon Inorganic materials 0.000 claims description 3
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 2
- 231100000614 poison Toxicity 0.000 claims description 2
- 239000002574 poison Substances 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010223 real-time analysis Methods 0.000 description 2
- 239000003053 toxin Substances 0.000 description 2
- 231100000765 toxin Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B13/00—Special devices for ventilating gasproof shelters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Ventilation (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a three-proofing ventilation system of civil air defense engineering, which comprises a parameter detection system, an intelligent control platform connected with the parameter detection system through an Internet of things gateway and a three-proofing detection controller connected with the intelligent control platform, wherein the parameter detection system is used for detecting and collecting the mouth and internal parameters of the three-proofing engineering, the Internet of things gateway is used for realizing protocol conversion between the parameter detection system and the intelligent control platform, the intelligent control platform is used for collecting monitoring data of various parameters from the interior of the three-proofing engineering and key areas around the engineering and recording and analyzing the data, and the three-proofing detection controller is used for detecting and controlling the mouth and partial internal equipment parameters of the three-proofing engineering and carrying out real-time communication and protocol analysis with the intelligent control platform Safety and high efficiency.
Description
Technical Field
The invention relates to the technical field of three-proofing engineering, in particular to a three-proofing ventilation system of civil air-defense engineering.
Background
At present, a three-prevention information processing system mainly used in national defense command engineering in China is an information platform developed based on a CAN bus technology, and mainly undertakes the collection, processing, auxiliary decision making and information uploading of three-prevention information, and the three-prevention control is uniformly controlled by a special engineering control platform and needs to be equipped by perfect civil defense engineering information networks and maintenance management personnel. And for projects such as professional team projects, underground markets, underground hospitals and the like in civil air defense projects, a three-prevention information processing and control system can not be established according to the requirements of command posts. According to the civil air defense engineering chemical design standard requirements, the three-prevention detection and ventilation control box is also adopted to process the three-prevention information in real time in the engineering, and the protection state of the engineering can be controlled according to the information collected by the three-prevention detection and ventilation control box. Because the three-proofing detection and ventilation control box is not customized at present and has no perfect product, the three-proofing information acquisition, processing and engineering protection state control of the engineering cannot be completely realized at present. Therefore, it is very important to develop a set of civil air defense engineering intelligent control platform with functions and performances completely meeting the technical requirements of civil air defense engineering tactics.
Disclosure of Invention
The present invention is directed to overcoming the above problems in the prior art and providing a three-proofing ventilation system for civil air defense engineering.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a three proofings ventilation system of civil air defense engineering, including parameter detecting system, through the thing networking gateway with the intelligent management and control platform that parameter detecting system connects and with the three proofings detection control ware that intelligent management and control platform is connected, parameter detecting system is used for detecting three proofings engineering oral area and internal parameter and gathers, the thing networking gateway is used for realizing parameter detecting system with protocol conversion between the intelligent management and control platform, the intelligent management and control platform is used for collecting the monitoring data that comes from the inside of three proofings engineering and all kinds of parameters of the peripheral key region of engineering to take notes, analysis with these data, three proofings detection control ware is used for detecting and controlling three proofings engineering oral area and partial internal equipment parameter, and with the intelligent management and control platform carries out real-time communication and agreement is analytic.
Preferably, in the three-proofing ventilation system of civil air defense engineering, the parameter detection system comprises a programmable controller, and a gas sensor, a temperature sensor, a humidity sensor and a radiation detector which are connected with the programmable controller.
Preferably, among the three proofings ventilation system of above-mentioned civil air defense engineering, gas sensor includes poison gas detector and air quality detector, poison gas detector is used for detecting whether three proofings engineering oral area and inside air are contaminated with poison, air quality detector is used for detecting the gas concentration of the inside carbon dioxide of three proofings engineering, radon gas, oxygen concentration, formaldehyde, TVOC.
Preferably, among the three proofings ventilation system of above-mentioned civil air defense engineering, intelligence management and control platform is including preventing chemical monitoring subsystem, data management subsystem and platform management subsystem, the state information and the early warning that chemical monitoring subsystem is used for real-time supervision three proofings engineering, data management subsystem is used for three proofings engineering monitoring data information's integration and statistics, platform management subsystem is used for user information management and authority management.
Preferably, in the three-proofing ventilation system of the civil air defense engineering, the intelligent management and control platform further comprises a data server and a command control terminal connected with the data server, the data server is used for storing detection data, analysis data and control information data of the three-proofing engineering, and the command control terminal is used for monitoring and controlling equipment of each three-proofing engineering on line.
Preferably, in the three-proofing ventilation system of the civil air defense engineering, the data server is connected with the parameter detection system through an internet of things gateway.
Preferably, in the above-mentioned civil air defense engineering's three proofings ventilation system, the three proofings control detector adopts the PC, and the three proofings controller with the data server is connected.
The invention has the beneficial effects that:
the invention has reasonable design, can accurately detect the chemical defense information outside and inside the project, and gives alarm and operation prompt by real-time analysis of the information. Then, the engineering is quickly converted into the ultra-pressure type toxin filtering ventilation protection or the isolated protection, so that the personnel to be shielded can normally work, live and have a rest under the condition of not wearing personal protection equipment, and the life safety of the personnel to be shielded is guaranteed. Meanwhile, the air quantity of the filtered and ventilated air can be effectively measured during the protection of the filtered and ventilated air, and the air quantity can be effectively controlled within the rated air quantity range of the filter absorber through the fan frequency conversion control technology, so that the safe operation of the filter absorber is ensured. The system can realize one-key conversion of the three-proofing ventilation mode of civil air defense engineering, and has the characteristics of rapidness, safety and high efficiency.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a parameter detection system according to the present invention;
fig. 3 is a functional structure diagram of the intelligent management and control platform according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a parameter detection system; 2-an internet of things gateway; 3, an intelligent control platform; 4-three-proofing detection controller; 5-a programmable controller; 6-a gas sensor; 7-a temperature sensor; 8-a humidity sensor; 9-a radiation detector; 10-toxic gas detector; 11-air quality detector; 12-chemical defense monitoring subsystem; 13-a data management subsystem; 14-a platform management subsystem; 15-a data server; and 16-commanding the control terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment is a three-proofing ventilation system for civil air-defense engineering, which includes a parameter detection system 1, an intelligent control platform 3 connected to the parameter detection system 1 through an internet of things gateway 2, and a three-proofing detection controller 4 connected to the intelligent control platform 3, wherein the parameter detection system 1 is used for detecting and collecting the oral and internal parameters of the three-proofing engineering, the internet of things gateway 2 is used for implementing protocol conversion between the parameter detection system 1 and the intelligent control platform 3, the intelligent control platform 3 is used for collecting monitoring data from the internal of the three-proofing engineering and the key areas around the engineering, recording and analyzing the data, the three-proofing detection controller 4 is used for detecting and controlling the oral and partial internal device parameters of the three-proofing engineering, and performing real-time communication and protocol analysis with the intelligent control platform 3, the parameter detection system 1 comprises a programmable controller 5, a gas sensor 6 connected with the programmable controller 5, a temperature sensor 7, a humidity sensor 8 and a radiation detector 9, the gas sensor 6 comprises a poison gas detector 10 and an air quality detector 11, the poison gas detector 10 is used for detecting whether the mouth part and the inside air of the three-proofing project are contaminated, the air quality detector 11 is used for detecting the gas concentrations of carbon dioxide, radon gas, oxygen concentration, formaldehyde and TVOC inside the three-proofing project, the intelligent management and control platform 3 comprises a chemical defense monitoring subsystem 12, a data management subsystem 13 and a platform management subsystem 14, the chemical defense monitoring subsystem 12 is used for monitoring the state information and early warning of the three-proofing project in real time, the data management subsystem 13 is used for integrating and counting the monitoring data information of the three-proofing project, and the platform management subsystem 14 is used for user information management and authority management, the intelligent control platform 3 further comprises a data server 15 and a command control terminal 16 connected with the data server 15, the data server 15 is used for storing detection data, analysis data and control information data of three-prevention projects, the data server 15 is connected with the parameter detection system 1 through the internet of things gateway 2, the command control terminal 16 is used for monitoring and controlling equipment of each three-prevention project on line, the three-prevention detection controller 4 is a PC (personal computer), and the three-prevention detection controller 4 is connected with the data server 15.
The invention has reasonable design, can accurately detect chemical defense information outside and inside a three-proofing project, and gives alarm and operation prompt by real-time analysis of the information. Then, the engineering is quickly converted into the ultra-pressure type toxin filtering ventilation protection or the isolated protection, so that the personnel to be shielded can normally work, live and have a rest under the condition of not wearing personal protection equipment, and the life safety of the personnel to be shielded is guaranteed. Meanwhile, the air quantity of the filtered and ventilated air can be effectively measured during the protection of the filtered and ventilated air, and the air quantity can be effectively controlled within the rated air quantity range of the filter absorber through the fan frequency conversion control technology, so that the safe operation of the filter absorber is ensured. The system can realize one-key conversion of the three-proofing ventilation mode of civil air defense engineering, and has the characteristics of rapidness, safety and high efficiency.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a civil air defense engineering's three proofings ventilation system which characterized in that: comprises a parameter detection system (1), an intelligent management and control platform (3) connected with the parameter detection system (1) through an internet of things gateway (2) and a three-prevention detection controller (4) connected with the intelligent management and control platform (3), the parameter detection system (1) is used for detecting and collecting the three-proofing engineering oral and internal parameters, the internet of things gateway (2) is used for realizing protocol conversion between the parameter detection system (1) and the intelligent management and control platform (3), the intelligent control platform (3) is used for collecting monitoring data of various parameters from the interior of the three-prevention project and key areas around the project, and the data are recorded and analyzed, and the three-prevention detection controller (4) is used for detecting and controlling parameters of three-prevention engineering ports and part of internal equipment, and carrying out real-time communication and protocol analysis with the intelligent control platform (3).
2. The civil air defense engineering three proofing ventilation system of claim 1, wherein: the parameter detection system (1) comprises a programmable controller (5), and a gas sensor (6), a temperature sensor (7), a humidity sensor (8) and a radiation detector (9) which are connected with the programmable controller (5).
3. The civil air defense engineering three proofing ventilation system of claim 2, wherein: gas sensor (6) are including poison gas detector (10) and air quality detector (11), poison gas detector (10) are used for detecting whether three proofings engineering oral area and inside air are infected with the poison, air quality detector (11) are used for detecting the gas concentration of the inside carbon dioxide of three proofings engineering, radon gas, oxygen concentration, formaldehyde, TVOC.
4. The civil air defense engineering three proofing ventilation system of claim 1, wherein: the intelligent management and control platform (3) comprises a chemical defense monitoring subsystem (12), a data management subsystem (13) and a platform management subsystem (14), the chemical defense monitoring subsystem (12) is used for monitoring state information and early warning of a three-prevention project in real time, the data management subsystem (13) is used for integration and statistics of monitoring data information of the three-prevention project, and the platform management subsystem (14) is used for user information management and authority management.
5. The civil air defense engineering three proofing ventilation system of claim 1, wherein: the intelligent management and control platform (3) further comprises a data server (15) and a command control terminal (16) connected with the data server (15), the data server (15) is used for storing detection data, analysis data and control information data of three-prevention projects, and the command control terminal (16) is used for monitoring and controlling equipment of each three-prevention project on line.
6. The civil air defense engineering three proofing ventilation system of claim 5, wherein: the data server (15) is connected with the parameter detection system (1) through an Internet of things gateway (2).
7. The civil air defense engineering three proofing ventilation system of claim 5, wherein: the three-proofing detection controller (4) adopts a PC, and the three-proofing detection controller (4) is connected with the data server (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105486.4A CN110824990A (en) | 2019-11-13 | 2019-11-13 | Three-proofing ventilation system of civil air defense engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105486.4A CN110824990A (en) | 2019-11-13 | 2019-11-13 | Three-proofing ventilation system of civil air defense engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110824990A true CN110824990A (en) | 2020-02-21 |
Family
ID=69554693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911105486.4A Pending CN110824990A (en) | 2019-11-13 | 2019-11-13 | Three-proofing ventilation system of civil air defense engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110824990A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289918A (en) * | 2011-05-05 | 2011-12-21 | 中国人民解放军防化指挥工程学院 | Civil air defense command construction protection facility monitoring system |
| CN106899638A (en) * | 2015-12-21 | 2017-06-27 | 中国科学院信息工程研究所 | A kind of fusions networking relationships system for solving Heterogeneous data and method |
| CN107230027A (en) * | 2017-06-28 | 2017-10-03 | 安徽天枢信息科技有限公司 | A kind of civil air defense constructions and installations information comprehensive management system |
| CN107316151A (en) * | 2017-06-28 | 2017-11-03 | 安徽天枢信息科技有限公司 | A kind of people's air defense information monitoring management system based on big data |
| WO2018039958A1 (en) * | 2016-08-31 | 2018-03-08 | 刘哲 | Smart safety system for operation of elevator on basis of internet of things |
| CN108764830A (en) * | 2018-05-18 | 2018-11-06 | 王建兵 | Civil air defense constructions and installations equipment quality relevant information acquisition analysis system |
-
2019
- 2019-11-13 CN CN201911105486.4A patent/CN110824990A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289918A (en) * | 2011-05-05 | 2011-12-21 | 中国人民解放军防化指挥工程学院 | Civil air defense command construction protection facility monitoring system |
| CN106899638A (en) * | 2015-12-21 | 2017-06-27 | 中国科学院信息工程研究所 | A kind of fusions networking relationships system for solving Heterogeneous data and method |
| WO2018039958A1 (en) * | 2016-08-31 | 2018-03-08 | 刘哲 | Smart safety system for operation of elevator on basis of internet of things |
| CN107230027A (en) * | 2017-06-28 | 2017-10-03 | 安徽天枢信息科技有限公司 | A kind of civil air defense constructions and installations information comprehensive management system |
| CN107316151A (en) * | 2017-06-28 | 2017-11-03 | 安徽天枢信息科技有限公司 | A kind of people's air defense information monitoring management system based on big data |
| CN108764830A (en) * | 2018-05-18 | 2018-11-06 | 王建兵 | Civil air defense constructions and installations equipment quality relevant information acquisition analysis system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104360667B (en) | A kind of polluter on-line monitoring platform and the anti-counterfeiting method of pollution source monitoring data | |
| CN208512145U (en) | A kind of dust monitors automatically and dust pelletizing system | |
| CN111426799A (en) | Indoor air quality intelligent monitoring system and control method thereof | |
| CN104766158A (en) | Environment protection full-process monitoring system | |
| CN103869782A (en) | Automatic remote monitoring system for environmental protection equipment | |
| CN110864938A (en) | Intelligent air environment monitoring management system for building | |
| CN205783359U (en) | A kind of for outdoor haze cancellation element | |
| CN106054850A (en) | Intelligent transformer station environment monitoring and intelligent control system | |
| CN113537842A (en) | Intelligent monitoring management method and system for building engineering personnel | |
| CN110493180A (en) | A kind of substation network communication flow real-time analysis method | |
| CN108288875A (en) | A kind of relay protection intelligent alarm method and system opened based on multi-source data with check analysis | |
| CN114660982A (en) | Laboratory safety inspection method and device based on Internet of things | |
| CN110824990A (en) | Three-proofing ventilation system of civil air defense engineering | |
| CN105225398B (en) | A kind of forest fire protection monitor supervision platform | |
| CN112486230B (en) | Intelligent poultry breeding management system | |
| CN108871459A (en) | A kind of intelligent environment protection monitoring system | |
| CN210466175U (en) | Medicine warehouse environmental monitoring system | |
| CN104922821A (en) | Alarm method and device of respiratory protection article | |
| CN207396277U (en) | Airborne dust monitors system | |
| CN206292202U (en) | A kind of industrial waste gas monitoring system | |
| CN108802299A (en) | A kind of VOCs detection method and device | |
| CN214096143U (en) | Kitchen oil smoke multi-parameter online monitoring system | |
| CN107328025A (en) | A kind of underground machinery-room intelligent ventilation system recognized based on ambient condition | |
| CN211014194U (en) | Air negative oxygen ion detection and networking device | |
| CN209182687U (en) | Smart profile supervisory systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200221 |
|
| RJ01 | Rejection of invention patent application after publication |