CN205080117U - External how gaseous detection device - Google Patents
External how gaseous detection device Download PDFInfo
- Publication number
- CN205080117U CN205080117U CN201520864589.XU CN201520864589U CN205080117U CN 205080117 U CN205080117 U CN 205080117U CN 201520864589 U CN201520864589 U CN 201520864589U CN 205080117 U CN205080117 U CN 205080117U
- Authority
- CN
- China
- Prior art keywords
- gas
- warehouse
- detector
- phosphine
- communicated
- 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
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an external how gaseous detection device, it sets up in the warehouse outsidely, include: at least one air pump, it communicates with the inside a plurality of sampling pipes in warehouse respectively, and it is inside gaseous to collect the warehouse, the hydrogen phosphate detector, it is through trachea and air pump connected, including detection part that detects the hydrogen phosphate gas strength and the analysis component who predetermines the gaseous early warning value of hydrogen phosphate, the solenoid valve, it is connected with hydrogen phosphate detector electricity to with trachea intercommunication, set up and be: when the inside gaseous hydrogen phosphate gas strength in warehouse exceeded the gaseous early warning value of hydrogen phosphate, the solenoid valve was closed, and when the inside gaseous hydrogen phosphate gas strength in warehouse was less than the gaseous early warning value of hydrogen phosphate, the solenoid valve was opened, oxygen detector and nitrogen gas detector through establishing ties or parallelly connected and solenoid valve intercommunication, detect warehouse inside gaseous oxygen concentration and nitrogen gas concentration. The utility model discloses can carry out composition and concentration detection to warehouse inside gas, judge that it gets into one shot operation whether to be fit for the warehouse staff.
Description
Technical field
The utility model relates to grain-production and detection field.More particularly, the utility model relates to a kind of external many gas-detecting devices for carrying out Concentration Testing to the gas in warehouse.
Background technology
China is grain-production and consumption big country, Ye Shi grain reserves big country, grain is as the grand strategy resource and the specialty goods that concern national economy, ensure that its sufficient supplies and quality safety are related to the development of social stability and national economy, China has all set up corresponding grain reserve system for a long time for this reason.In the management work of grain reserve system at different levels, the warehouse stored grain carries out phosphine fumigation desinsection, is the important step ensureing food security.Phosphine fumigation needs to carry out airtightly then implementing to warehouse, stifling complete warehouse staff needs to enter warehouse and carries out next step operation, if now hydrogen phosphide is as toxic gas, if exceed safe concentration, or the oxygen concentration in warehouse internal gas is not enough to support safety environment, healthy by for extra large warehouse staff.Therefore, carry out detection to the composition of warehouse internal gas and concentration to be absolutely necessary link.
Utility model content
An object of the present utility model solves at least the problems referred to above, and provide the advantage will illustrated at least below.
The utility model also has an object to be to provide a kind of external many gas-detecting devices, and it can carry out composition and Concentration Testing to warehouse internal gas, judges whether that applicable warehouse staff enters and carries out next step operation.
In order to realize according to these objects of the present utility model and other advantage, provide a kind of external many gas-detecting devices, it is arranged on outside, warehouse, comprising:
At least one air pump, it is communicated with the multiple sampling pipe in inside, warehouse respectively, collects warehouse internal gas;
Hydrogen phosphide detector, it is communicated with described air pump by tracheae, and described hydrogen phosphide detector comprises the detection part detecting phosphine gas concentration and the analysis component being preset with phosphine gas early warning value;
Solenoid valve, it is electrically connected with described hydrogen phosphide detector, and be communicated with described tracheae, described solenoid valve is set to: when the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value, described analysis component sends signal, described closed electromagnetic valve, when the phosphine gas concentration of warehouse internal gas is lower than described phosphine gas early warning value, described analysis component sends signal, and described solenoid valve is opened;
Oxygen detection instrument and nitrogen detector, be communicated with described solenoid valve by serial or parallel connection, detects oxygen concentration and the nitrogen gas concn of warehouse internal gas.
Preferably, described external many gas-detecting devices, the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value and refers to: the phosphine gas concentration of warehouse internal gas is equal to or greater than described phosphine gas early warning value, and described phosphine gas early warning value is 0.3ppm.
Preferably, described external many gas-detecting devices, at least one air pump described is three air pumps in parallel, wherein two air pumps are communicated with described tracheae by T-valve, another air pump is communicated with described tracheae by two-port valve, inside, described warehouse is provided with three sampling pipes, and three air pumps are communicated with three sampling pipe one_to_one corresponding respectively.
Preferably, described external many gas-detecting devices, described solenoid valve is communicated with described tracheae by T-valve.
Preferably, described external many gas-detecting devices, described oxygen detection instrument and described nitrogen detector pass through serial communication.
Preferably, described external many gas-detecting devices, described hydrogen phosphide detector is electrically connected with warning device, and when the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value, described warning device sends alarm sound.
Preferably, described external many gas-detecting devices, also comprise:
Background server, it is connected with described hydrogen phosphide detector, described oxygen detection instrument and the communication of described nitrogen detector, add up the phosphine gas of warehouse internal gas, nitrogen, oxygen and gas concentration lwevel, described background server is set to: when the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value, described background server sends alerting signal.
Preferably, described external many gas-detecting devices, the consistent size of described hydrogen phosphide detector, described oxygen detection instrument and described nitrogen detector, width is 16.5cm to the maximum, is highly 22.5cm.
Preferably, described external many gas-detecting devices, also comprise return line, and its one end is communicated with described nitrogen detector with described hydrogen phosphide detector, described oxygen detection instrument, and the other end is communicated with inside, warehouse, and the gas after detecting is imported warehouse.
The utility model at least comprises following beneficial effect:
The first, the utility model is arranged on outside, warehouse, be convenient to operated by personnel, adjustment and supervision, in warehouse grain heap, diverse location arranges multiple gas sampling point, carry out the Concentration Testing of hydrogen phosphide, oxygen and nitrogen successively, hydrogen phosphide is corrosive gas, directly can not carry oxygen supply, nitrogen detector before concentration reaches safety value, cuts off gas contact with oxygen, nitrogen detector by solenoid valve, decrease machine operation, and improve security protection;
Second, solenoid valve is directly actuated by hydrogen phosphide detector, it is the relation that electrical connection signal controls and feeds back between solenoid valve and hydrogen phosphide detector, solenoid valve controls open and close by hydrogen phosphide detector vent relay signal, solenoid valve just isolation hydrogen phosphide detector and other two detectors, effect is afraid of that phosphine gas exceeds standard damage nitrogen, oxygen detection, their tracheae is UNICOM, just solenoid valve separates, hydrogen phosphide detector detects in gas and judges whether opens solenoid valve valve after phosphine gas concentration, under normal circumstances, valve default treatment closed condition, if phosphine concentration is too high and exceed early warning value in gas, then hydrogen phosphide detector can not assign opens solenoid valve valve command, nitrogen is carried out like this with regard to not needing, the detection of carrier of oxygen concentration, only to judge in gas bleeding that phosphine gas concentration belongs to after within safe range value at hydrogen phosphide detector and just can trigger Open valve, oxygen can be detected again after Open valve, nitrogen concentration, ensure that and cut off gas and oxygen, the contact of nitrogen detector,
Three, when the phosphine gas concentration of warehouse internal gas is equal to or greater than 0.3ppm, is and exceeds safe range, high standard sternly requires, people-oriented, the health of maintenance staff; At least one air pump is three air pumps in parallel, when an air pump gas circulation detects, two other air pump cuts out, parallel connection makes fully to carry out gas detect respectively to each gas sampling point, can not take a part for the whole, and monitors warehouse internal gas flow communication state more comprehensively; Solenoid valve is directly communicated with tracheae by T-valve, avoids directly to be communicated with hydrogen phosphide detector to cause gas flow blockage and chaotic possibility; Oxygen and nitrogen are the gas to human-body safety, and oxygen detection instrument and the series connection of nitrogen detector, save circuit under the prerequisite that can not impact result, is convenient to pipeline arrangement;
Four, hydrogen phosphide detector is electrically connected with warning device, the staff's testing result in notice certain limit, enhancing your vigilance property; Background server receives the gas concentration of hydrogen phosphide, oxygen, nitrogen detector, exceed safe range to hydrogen phosphide to report to the police, remind the staff's testing result in machine room, add the distance of people and toxic gas, calculate carbon dioxide content, whether reach to the no environment in inside, warehouse safety standard that applicable people enters to make and judging more accurately, robotization and safe more; The specification of hydrogen phosphide, oxygen, nitrogen detector is little, intensive degree is high; Gas after detection is imported warehouse by return line, avoids directly being disposed to air, reduces air pollution, increases the protection to people.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is side structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As shown in Figure 1, the utility model provides a kind of external many gas-detecting devices, and it is arranged on outside, warehouse, comprising:
At least one air pump 1, it is communicated with the multiple sampling pipe 2 in inside, warehouse respectively, collects warehouse internal gas;
Hydrogen phosphide detector 3, it is communicated with described air pump 1 by tracheae 6, and described hydrogen phosphide detector 3 comprises the detection part detecting phosphine gas concentration and the analysis component being preset with phosphine gas early warning value;
Solenoid valve 7, it is electrically connected with described hydrogen phosphide detector 3, and be communicated with described tracheae 6, described solenoid valve 7 is set to: when the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value, described analysis component sends signal, and described solenoid valve 7 cuts out, when the phosphine gas concentration of warehouse internal gas is lower than described phosphine gas early warning value, described analysis component sends signal, and described solenoid valve 7 is opened;
Oxygen detection instrument 4 and nitrogen detector 5, be communicated with described solenoid valve 7 by serial or parallel connection, detects oxygen concentration and the nitrogen gas concn of warehouse internal gas.
In technique scheme, the utility model is arranged on outside, warehouse, be convenient to operated by personnel, adjustment and supervision, in warehouse grain heap, diverse location arranges multiple gas sampling point, and carry out the Concentration Testing of hydrogen phosphide, oxygen and nitrogen successively, hydrogen phosphide is corrosive gas, oxygen supply, nitrogen detector directly can not be carried before concentration reaches safety value, cut off gas by solenoid valve to contact with oxygen, nitrogen detector, decrease machine operation, and improve security protection.Solenoid valve is directly actuated by hydrogen phosphide detector 3, hydrogen phosphide detector 3 detects in gas and judges whether opens solenoid valve 7 valve after phosphine gas concentration, under normal circumstances, valve default treatment closed condition, if phosphine concentration is too high and exceed early warning value in gas, then hydrogen phosphide detector 3 can not assign opens solenoid valve 7 valve command, nitrogen is carried out like this with regard to not needing, the detection of carrier of oxygen concentration, only to judge in gas bleeding that phosphine gas concentration belongs to after within safe range value at hydrogen phosphide detector 3 and just can trigger Open valve, oxygen can be detected again after Open valve, nitrogen concentration, ensure that and cut off gas and oxygen, the contact of nitrogen detector.
In another kind of technical scheme, described external many gas-detecting devices, the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value and refers to: the phosphine gas concentration of warehouse internal gas is equal to or greater than described phosphine gas early warning value, and described phosphine gas early warning value is 0.3ppm.When the phosphine gas concentration of warehouse internal gas is equal to or greater than 0.3ppm, is and exceeds safe range, high standard sternly requires, people-oriented, the health of maintenance staff.
In another kind of technical scheme, described external many gas-detecting devices, at least one air pump 1 described is three air pumps 1 in parallel, wherein two air pumps 1 are communicated with described tracheae 6 by T-valve, another air pump 1 is communicated with described tracheae 6 by two-port valve, inside, described warehouse is provided with three sampling pipes, 2, three air pumps 1 and is communicated with three sampling pipe 2 one_to_one corresponding respectively.At least one air pump 1 is three air pumps 1 in parallel, when an air pump 1 gas circulation detects, two other air pump 1 cuts out, parallel connection makes fully to carry out gas detect respectively to each gas sampling point, can not take a part for the whole, and monitors warehouse internal gas flow communication state more comprehensively.
In another kind of technical scheme, described external many gas-detecting devices, described solenoid valve 7 is communicated with described tracheae 6 by T-valve.Solenoid valve 7 is directly communicated with tracheae 6 by T-valve, avoids directly to be communicated with hydrogen phosphide detector 3 to cause gas flow blockage and chaotic possibility.
In another kind of technical scheme, described external many gas-detecting devices, described oxygen detection instrument 4 and described nitrogen detector 5 pass through serial communication.Oxygen and nitrogen are the gas to human-body safety, and oxygen detection instrument 4 and nitrogen detector 5 are connected, and save circuit under the prerequisite that can not impact result, are convenient to pipeline arrangement.
In another kind of technical scheme, described external many gas-detecting devices, described hydrogen phosphide detector 3 is electrically connected with warning device, and when the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value, described warning device sends alarm sound.Hydrogen phosphide detector 3 is electrically connected with warning device, the staff's testing result in notice certain limit, enhancing your vigilance property.
In another kind of technical scheme, described external many gas-detecting devices, also comprise:
Background server, it is connected with described hydrogen phosphide detector 3, described oxygen detection instrument 4 and the communication of described nitrogen detector 5, add up the phosphine gas of warehouse internal gas, nitrogen, oxygen and gas concentration lwevel, described background server is set to: when the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value, described background server sends alerting signal.Background server receives the gas concentration of hydrogen phosphide, oxygen, nitrogen detector, exceed safe range to hydrogen phosphide to report to the police, remind the staff's testing result in machine room, add the distance of people and toxic gas, calculate carbon dioxide content, whether reach to the no environment in inside, warehouse safety standard that applicable people enters to make and judging more accurately, robotization and safe more.
In another kind of technical scheme, described external many gas-detecting devices, the consistent size of described hydrogen phosphide detector 3, described oxygen detection instrument 4 and described nitrogen detector 5, width is 16.5cm to the maximum, is highly 22.5cm.The specification of hydrogen phosphide, oxygen, nitrogen detector is little, intensive degree is high.
In another kind of technical scheme, described external many gas-detecting devices, also comprise return line, and its one end is communicated with described nitrogen detector 5 with described hydrogen phosphide detector 3, described oxygen detection instrument 4, the other end is communicated with inside, warehouse, and the gas after detecting is imported warehouse.Gas after detection is imported warehouse by return line, avoids directly being disposed to air, reduces air pollution, increases the protection to people.
Structure and appearance requirement
External many gas-detecting devices should be made up of parts such as detecting device, external pump, electromagnetic valve, communication interface, inspection software, warning devices.
Detecting device should have weather proof, sand control, insect protected mechanism, easy for installation.Warning device should be convenient to install, operate and monitor.
Application resistant material manufactures instrument or carries out anti-corrosion treatment on instrument surface, its application and painted difficult drop-off.
Be easy to when pick-up unit is in running order identify.
Pick-up unit is easy to correct.
The each connecting hose of pick-up unit should connect closely, anti-aging.
Pick-up unit has return line, is delivered into grain heap again after gas detect by return line.
Process description
Warehouse is got tracheae connection and is got air pump, after controller opens air pump, air pump is extracted gas in storehouse out and is delivered to first gas detecting instrument (hydrogen phosphide detector) through tracheae, hydrogen phosphide detector detects in the gas extracted out and judges whether Open valve by hydrogen phosphide detector after phosphine gas concentration, if phosphine concentration is too high and exceed early warning value in gas bleeding, then hydrogen phosphide detector can not assign Open valve instruction, does not so just need the detection carrying out nitrogen, carrier of oxygen concentration; If within gas bleeding, phosphine concentration belongs to safe range and lower than early warning value, then hydrogen phosphide detector assigns Open valve instruction, such valve is just opened, gas bleeding is delivered to every two gas detecting instruments (oxygen detection instrument) by tracheae, oxygen detection instrument detects the gas bleeding simultaneously of gas bleeding oxygen concentration and is delivered to the 3rd gas detecting instrument (nitrogen detector), is detected the nitrogen gas concn of gas bleeding by nitrogen detector.
Hydrogen phosphide is corrosive gas, directly can not carry oxygen supply, nitrogen detector before concentration reaches safety value.Our design cut off gas bleeding by stainless steel solenoid valve and contacts with oxygen, nitrogen detector before hydrogen phosphide detector judges whether safety for this reason.
Solenoid valve is directly actuated by hydrogen phosphide detector, under normal circumstances, valve default treatment closed condition, only to judge in gas bleeding that phosphine gas concentration belongs to after within safe range value at hydrogen phosphide detector and just can trigger Open valve, after Open valve, oxygen, nitrogen concentration can be detected again.
Here the number of devices illustrated and treatment scale are used to simplify explanation of the present utility model.The application of the external many gas-detecting devices of the utility model, modifications and variations be will be readily apparent to persons skilled in the art.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. external many gas-detecting devices, it is arranged on outside, warehouse, it is characterized in that, comprising:
At least one air pump, it is communicated with the multiple sampling pipe in inside, warehouse respectively, collects warehouse internal gas;
Hydrogen phosphide detector, it is communicated with described air pump by tracheae, and described hydrogen phosphide detector comprises the detection part detecting phosphine gas concentration and the analysis component being preset with phosphine gas early warning value;
Solenoid valve, it is electrically connected with described hydrogen phosphide detector, and be communicated with described tracheae, described solenoid valve is set to: when the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value, described analysis component sends signal, described closed electromagnetic valve, when the phosphine gas concentration of warehouse internal gas is lower than described phosphine gas early warning value, described analysis component sends signal, and described solenoid valve is opened;
Oxygen detection instrument and nitrogen detector, be communicated with described solenoid valve by serial or parallel connection, detects oxygen concentration and the nitrogen gas concn of warehouse internal gas.
2. external many gas-detecting devices as claimed in claim 1, it is characterized in that, the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value and refers to: the phosphine gas concentration of warehouse internal gas is equal to or greater than described phosphine gas early warning value, and described phosphine gas early warning value is 0.3ppm.
3. external many gas-detecting devices as claimed in claim 1, it is characterized in that, at least one air pump described is three air pumps in parallel, wherein two air pumps are communicated with described tracheae by T-valve, another air pump is communicated with described tracheae by two-port valve, inside, described warehouse is provided with three sampling pipes, and three air pumps are communicated with three sampling pipe one_to_one corresponding respectively.
4. external many gas-detecting devices as claimed in claim 1, it is characterized in that, described solenoid valve is communicated with described tracheae by T-valve.
5. external many gas-detecting devices as claimed in claim 1, is characterized in that, described oxygen detection instrument and described nitrogen detector pass through serial communication.
6. external many gas-detecting devices as claimed in claim 1, it is characterized in that, described hydrogen phosphide detector is electrically connected with warning device, and when the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value, described warning device sends alarm sound.
7. external many gas-detecting devices as claimed in claim 1, is characterized in that, also comprise:
Background server, it is connected with described hydrogen phosphide detector, described oxygen detection instrument and the communication of described nitrogen detector, add up the phosphine gas of warehouse internal gas, nitrogen, oxygen and gas concentration lwevel, described background server is set to: when the phosphine gas concentration of warehouse internal gas exceedes described phosphine gas early warning value, described background server sends alerting signal.
8. external many gas-detecting devices as claimed in claim 1, is characterized in that, the consistent size of described hydrogen phosphide detector, described oxygen detection instrument and described nitrogen detector, and width is 16.5cm to the maximum, is highly 22.5cm.
9. external many gas-detecting devices as claimed in claim 1, it is characterized in that, also comprise return line, its one end is communicated with described nitrogen detector with described hydrogen phosphide detector, described oxygen detection instrument, the other end is communicated with inside, warehouse, and the gas after detecting is imported warehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520864589.XU CN205080117U (en) | 2015-10-30 | 2015-10-30 | External how gaseous detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520864589.XU CN205080117U (en) | 2015-10-30 | 2015-10-30 | External how gaseous detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080117U true CN205080117U (en) | 2016-03-09 |
Family
ID=55432517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520864589.XU Active CN205080117U (en) | 2015-10-30 | 2015-10-30 | External how gaseous detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205080117U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546646A (en) * | 2016-10-20 | 2017-03-29 | 浙江中烟工业有限责任公司 | A kind of low-concentration hydrogen phosphide concentration on-line monitoring method |
| CN106546286A (en) * | 2016-10-20 | 2017-03-29 | 浙江中烟工业有限责任公司 | A kind of cigarette bag composite technology parameter online system |
| CN108120804A (en) * | 2017-12-21 | 2018-06-05 | 重庆多邦科技股份有限公司 | Gas detecting instrument and gas detecting system applied to silo |
| CN108775923A (en) * | 2018-07-02 | 2018-11-09 | 成都比斯特科技有限责任公司 | A kind of silo worm air water detection unit and detection method with self-protection function |
| CN111309062A (en) * | 2020-03-16 | 2020-06-19 | 山东浪潮通软信息科技有限公司 | Intelligent nitrogen charging system for squat silo, control method and visual intelligent control system |
| CN113188969A (en) * | 2021-05-11 | 2021-07-30 | 江苏锦诚检测科技有限公司 | Unmanned detection device and detection method for environment toxic and harmful gas |
| CN115235839A (en) * | 2022-09-22 | 2022-10-25 | 国网湖北省电力有限公司中超建设管理公司 | Portable gas monitor |
-
2015
- 2015-10-30 CN CN201520864589.XU patent/CN205080117U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546646A (en) * | 2016-10-20 | 2017-03-29 | 浙江中烟工业有限责任公司 | A kind of low-concentration hydrogen phosphide concentration on-line monitoring method |
| CN106546286A (en) * | 2016-10-20 | 2017-03-29 | 浙江中烟工业有限责任公司 | A kind of cigarette bag composite technology parameter online system |
| CN106546646B (en) * | 2016-10-20 | 2019-10-29 | 浙江中烟工业有限责任公司 | A kind of low-concentration hydrogen phosphide concentration on-line monitoring method |
| CN106546286B (en) * | 2016-10-20 | 2020-01-21 | 浙江中烟工业有限责任公司 | Tobacco bale comprehensive technological parameter on-line monitoring system |
| CN108120804A (en) * | 2017-12-21 | 2018-06-05 | 重庆多邦科技股份有限公司 | Gas detecting instrument and gas detecting system applied to silo |
| CN108775923A (en) * | 2018-07-02 | 2018-11-09 | 成都比斯特科技有限责任公司 | A kind of silo worm air water detection unit and detection method with self-protection function |
| CN111309062A (en) * | 2020-03-16 | 2020-06-19 | 山东浪潮通软信息科技有限公司 | Intelligent nitrogen charging system for squat silo, control method and visual intelligent control system |
| CN113188969A (en) * | 2021-05-11 | 2021-07-30 | 江苏锦诚检测科技有限公司 | Unmanned detection device and detection method for environment toxic and harmful gas |
| CN115235839A (en) * | 2022-09-22 | 2022-10-25 | 国网湖北省电力有限公司中超建设管理公司 | Portable gas monitor |
| CN115235839B (en) * | 2022-09-22 | 2022-12-27 | 国网湖北省电力有限公司中超建设管理公司 | Portable gas monitor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205080117U (en) | External how gaseous detection device | |
| CN201096714Y (en) | SF6 gas online detection alarming system | |
| CN213633331U (en) | Environmental monitoring device in airtight space | |
| CN106781183A (en) | A kind of building fire-fighting warning system and method based on Internet of Things | |
| CN109062104A (en) | A kind of pipeline valve network monitoring system for things | |
| CN109637091A (en) | Sulfur hexafluoride gas leakage monitoring system based on Internet of Things | |
| CN202637775U (en) | Intelligent firefighting device for offshore wind generator set | |
| CN206295534U (en) | Intelligent fire-fighting monitoring system | |
| CN207379535U (en) | A kind of Shui nationality using wechat alarm tie up generating apparatus on-line monitoring system | |
| CN204790417U (en) | Basement environment intelligent management system of community | |
| CN210534947U (en) | Smoke alarm and alarm system for ship | |
| CN211787380U (en) | Safety control system for preventing hydrogen leakage | |
| CN206295535U (en) | Fire hydrant detects leakage inspector | |
| CN211121371U (en) | Safety linkage system for fuel cell engine and hydrogen system laboratory | |
| CN202193360U (en) | Intelligent leakproof device of cylinder cabinet | |
| CN216979910U (en) | Workshop toxic gas monitoring devices | |
| CN111626555A (en) | Fire-fighting equipment operation warning and state evaluation system and device | |
| CN203551031U (en) | Cable trench water level monitoring and alarming system of transformer substation | |
| CN116608008A (en) | Dry powder extinguishing monitoring system for electromechanical chamber of mine | |
| CN206573519U (en) | A kind of CO concentration automatic detection alarm device | |
| CN203588427U (en) | Infrared body induction triggered fumigation gas alarm device | |
| CN203432742U (en) | Alarm system of reaction device | |
| CN202677578U (en) | Early-stage gas on-line monitoring and alarm system | |
| CN202722342U (en) | Circulatory medicine adding fumigation system | |
| CN105573223A (en) | Novel gas leak monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |