CN206818669U - Dangerous matter sources gas monitoring system - Google Patents
Dangerous matter sources gas monitoring system Download PDFInfo
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- CN206818669U CN206818669U CN201720481350.3U CN201720481350U CN206818669U CN 206818669 U CN206818669 U CN 206818669U CN 201720481350 U CN201720481350 U CN 201720481350U CN 206818669 U CN206818669 U CN 206818669U
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- matter sources
- dangerous matter
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- sources gas
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Abstract
The utility model provides a kind of dangerous matter sources gas monitoring system, including BIM O＆Ms server and several dangerous matter sources gas controlling devices；Dangerous matter sources gas controlling device includes data acquisition unit, control unit, wireless communication unit, monitoring box and exhaust unit；Data acquisition unit is opened in setting time interval and extracts gas in inspection shaft, corresponding gas concentration in detection, and testing result is fed back into control unit in real time；Maximum acceptable concentration value of the control unit in response to the testing result that sensor group is fed back beyond setting, generates alarm signal；Exhaust unit is connected with control unit, is generated alarm signal in response to control unit, is switched to starting state；Control unit is connected with wireless communication unit, and data interaction is realized by network and Surveillance center.The utility model can carry out on line real-time monitoring to many kinds of parameters such as the dangerous matter sources gases in inspection shaft, and utilize cordless communication network by collection in worksite data transferring to Surveillance center.
Description
Technical field
Monitoring environmental data field is the utility model is related to, in particular to a kind of dangerous matter sources gas monitoring system.
Background technology
Wisdom piping lane is that a tunnel space is lowly built in city, and electric power, communication, combustion gas, heat supply, plumbing etc. is each
Kind utilities pipeline is integrated in one, and unified planning, Uniting, agrees to build and manages, and is the important foundation for ensureing city operations
Facility and " lifeline ".
Effectively managed however, existing network security lacks in national each province and city, humid environment, relative envelope in underground pipe network
Close, waste water, blowdown decompose substantial amounts of inflammable and explosive, toxic and harmful gas, are collected in closed pipe network space, such as can not be timely
Pump drainage is disposed, once concentration over-standard, it is possible to cause blast or personnel's intoxication accident.
Utility model content
The utility model purpose is to provide a kind of dangerous matter sources gas monitoring system, can be to the dangerous matter sources gas in inspection shaft
On line real-time monitoring is carried out Deng many kinds of parameters, and using cordless communication network by collection in worksite data transferring extremely monitoring
The heart.
To reach above-mentioned purpose, the utility model proposes a kind of dangerous matter sources gas monitoring system, the dangerous matter sources gas-monitoring
System is suitable to monitor a variety of dangerous matter sources gases in inspection shaft in real time, and monitoring result is fed back into Surveillance center, separately
Outside, when monitoring that dangerous matter sources gas is exceeded, dangerous matter sources gas is emitted into purifier, including BIM O＆Ms server and
Several dangerous matter sources gas controlling devices, BIM O＆M servers are placed in Surveillance center, several drainage pipeline networks monitoring devices
It is distributed in several inspection shafts for needing to monitor, each inspection shaft lays a dangerous matter sources gas controlling device；
The dangerous matter sources gas controlling device include data acquisition unit, control unit, wireless communication unit, monitoring box with
And exhaust unit；
The data acquisition unit includes aspiration pump, the first exhaust tube, downtake pipe and sensor group；
The aspiration pump is arranged in monitoring box, has the first air exhaust nozzle and first row valve, one end of the first exhaust tube
It is connected with the first air exhaust nozzle, the other end is extended in the inspection shaft, and one end of downtake pipe is connected with first row valve, another
End is extended in the purifier；
The aspiration pump is connected with control unit, is provided in and gas in inspection shaft is opened and extracted in setting time interval
Body；
The sensor group is located inside the section of tubing in monitoring box installed in downtake pipe, and it connects with control unit
Connect, be configured to detect corresponding gas concentration in downtake pipe in real time, and testing result is fed back into control unit；
Described control unit has a configuration part, and the configuration part is used for the maximum acceptable concentration for setting each dangerous matter sources gas
Value, control unit are configured to the testing result in response to sensor group feedback beyond the maximum acceptable concentration value of setting, generation
Alarm signal；
The exhaust unit includes exhaust pump, the second exhaust tube and second exhaust pipe, exhaust pump have the second air exhaust nozzle and
Second row valve, one end of the second exhaust tube are connected with the second air exhaust nozzle, and the other end is extended in inspection shaft, and the one of second exhaust pipe
End is connected with second row valve, and the other end is extended in purifier；
The exhaust pump is connected with control unit, is generated alarm signal in response to control unit, is switched to starting state；
Described control unit is connected with the wireless communication unit, realizes that data are handed over by network and BIM O＆M servers
Mutually.
Further, the setting time is at intervals of 10min.
Further, the dangerous matter sources gas controlling device also has a moisture separator, moisture separator peace
On downtake pipe, between first row valve and sensor group.
Further, the sensor group includes sensing methane concentration device, concentration of hydrogen sulfide sensor.
Further, there is an early warning value configuration part for dangerous matter sources gas setting, and control unit is configured to respond
Reach early warning value in the result of detection of sensor group feedback, generate pre-warning signal.
Further, the early warning value is less than the maximum acceptable concentration value of setting.
Further, described control unit sends early warning short message by wireless communication unit and extremely referred in response to pre-warning signal
Determine mobile phone.
Further, the dangerous matter sources gas monitoring system has an alarm unit, and alarm unit is arranged on the monitoring
In center, it is configured to, in response to alarm signal, send alarm.
Further, the dangerous matter sources gas controlling device has a liquid level sensor, and liquid level sensor is placed on inspection shaft
It is interior, under monitoring box, it is connected with control unit；
Described control unit is configured to be detected with liquid in response to the liquid level sensor to reach its detecting head surface, raw
Into liquid level warning signal, and send to Surveillance center.
Further, the dangerous matter sources gas controlling device also has a lifting unit, and lifting unit is vertically laid in
In inspection shaft, monitoring box is arranged on the lifting unit；
The lifting unit is connected with control unit, is configured in response to liquid level warning signal, is moved to catch pit port direction
It is dynamic, so as to raise monitoring box present position.
By above the technical solution of the utility model, compared with existing, its significant beneficial effect is that it is possible to inspection shaft
The many kinds of parameters such as interior dangerous matter sources gas carry out on line real-time monitoring, and using cordless communication network that collection in worksite data are remote
Journey is sent to Surveillance center.
It should be appreciated that as long as all combinations of aforementioned concepts and the extra design described in greater detail below are at this
Sample design it is not conflicting in the case of can be viewed as the disclosure utility model theme a part.In addition, want
Ask the theme of protection all combinations be considered as the disclosure utility model theme a part.
The foregoing and other side of the utility model teaching can be more fully appreciated from the following description with reference to accompanying drawing
Face, embodiment and feature.The feature and/or beneficial effect of other additional aspects such as illustrative embodiments of the present utility model
To be obvious in the following description, or learnt in the practice by the embodiment instructed according to the utility model.
Brief description of the drawings
Accompanying drawing is not intended to drawn to scale.In the accompanying drawings, each identical or approximately uniform group shown in each figure
It can be indicated by the same numeral into part.For clarity, in each figure, not each part is labeled.
Now, by example and the embodiment of various aspects of the present utility model will be described in reference to the drawings, wherein：
Fig. 1 is the structural representation of dangerous matter sources gas controlling device of the present utility model.
Fig. 2 is the structural representation of dangerous matter sources gas monitoring system of the present utility model.
Embodiment
In order to know more about technology contents of the present utility model, especially exemplified by specific embodiment and institute's accompanying drawings are coordinated to be described as follows.
Each side of the present utility model is described with reference in the disclosure, shown in the drawings of the implementation of many explanations
Example.It is not intended to cover all aspects of the present utility model for embodiment of the disclosure.It should be appreciated that a variety of structures presented hereinbefore
Think and embodiment, and describe in more detail below those design and embodiment can in many ways in any one
To implement, because design disclosed in the utility model and embodiment are not limited to any embodiment.In addition, this practicality
New disclosed some aspects can be used alone, or with the utility model disclosed in it is otherwise it is any it is appropriately combined come
Use.
Usual inspection shaft is arranged in the turning of pipeline, branch, fallen etc., it is therefore an objective to and it is easy to staff to check, dredging, one
Bar pipeline generally has multiple inspection shafts.An inspection shaft is arranged a dangerous matter sources by we
Gas controlling device, a variety of dangerous matter sources gases in inspection shaft are monitored in real time, monitoring result is fed back into Surveillance center, and
And when monitoring that dangerous matter sources gas is exceeded, dangerous matter sources gas is emitted into purifier, is emitted into again in air after purification.
With reference to Fig. 1, Fig. 2, the dangerous matter sources gas controlling device 100 includes data acquisition unit 1, control unit 2, channel radio
Believe unit 3, monitoring box 4 and exhaust unit 5.
Monitoring box 4 be one can waterproof, rain-proof, the containment housing of even signal shielding function, aforementioned data is gathered single
Member 1, control unit 2, wireless communication unit 3 are arranged in monitoring box 4, it is therefore an objective to reduce external environment to dangerous matter sources gas-monitoring
The influence of device 100, enable the normal operation of dangerous matter sources gas controlling device 100.
Data acquisition unit 1 includes aspiration pump 1a, the first exhaust tube 1b, downtake pipe 1c and sensor group 1d.
Aspiration pump 1a has the first air exhaust nozzle and first row valve, and the first exhaust tube 1b one end and the first air exhaust nozzle connect
Connect, the other end is extended in current inspection shaft, and downtake pipe 1c one end is connected with first row valve, and the other end extends to purification
In device 8.
The purpose for setting purifier is to by after dangerous matter sources gas treatment, reduce its harmfulness, then is emitted into air,
Environmental protection.
And sensor group 1d is located inside the section of tubing in monitoring box installed in downtake pipe 1c, such as pipe laying
On inwall, sensor group 1d includes sensing methane concentration device, concentration of hydrogen sulfide sensor, also has the dangerous matter sources that other needs monitor
Gas sensor.
By said structure design, the gas in inspection shaft is evacuated in downtake pipe 1c by aspiration pump 1a first, gas edge
Downtake pipe is mobile to export direction (i.e. in purifier 8), in moving process, by sensor group 1d, sensor group
1d detects the concentration value of wherein dangerous matter sources gas in real time, and testing result is fed back into control unit 2.
Because inspection shaft humid environment, the atmospheric water content that aspiration pump 1a is extracted is high, if such a moisture is high
The process sensor group 1d of gas long term frequent, sensor group 1d are easy for damaging.Therefore, the dangerous matter sources that the application proposes
Gas controlling device 100 is separately provided with a moisture separator 6, and the moisture separator 6 is arranged on downtake pipe, is located at
Between first row valve and sensor group 1d.In this way, the gas from the discharge of first row valve can first pass through moisture separator 6,
After aqueous vapor separates, gas part is further continued for, by sensor group 1d, reaching purifier 8.
The generation of usual dangerous matter sources gas and gather needs and take some time, only emergency episode generation
When, the mutation on some concentration parameters just occurs, the otherwise change of concentration parameter there should be certain regularity and steady
Property.Therefore, if aspiration pump 1a works always, inspection shaft is interior, the gas even in piping lane is constantly extracted out, and aspiration pump 1a power consumptions are tight
Weight, while also it is unfavorable for the maintenance of working environment in inspection shaft.
In order to solve the above problems, aspiration pump 1a is set and worked at interval by the application, i.e.,：Aspiration pump 1a is every a setting
The a small amount of gas of decimation in time is for checking, for example, aspiration pump 1a is every 30 minutes, to set 1 minute gas of power extraction, so
Both the energy has been saved, can also accomplish effective monitoring.
In view of the appearance of emergency situations, foregoing setting time can suitably shorten, and be changed to 10 minutes by 30 minutes.More
Notably, clearly knowing that this time interval can be with when being possible to emergency situations occur or know that emergency situations have occurred and that
Shorter again, the increasing detection frequency of setting.
Control unit 2 has a configuration part, and the configuration part is used for the maximum acceptable concentration value for setting each dangerous matter sources gas, when
When the data of sensor group 1d feedbacks reach the maximum permissible value of setting, alarm signal is generated.Above procedure can pass through one
Comparator is realized.
Now, inspection shaft is in the hole, it is necessary to as early as possible discharge exceeded dangerous matter sources gas, therefore, the application is carried
And dangerous matter sources gas controlling device 100 be also additionally provided with an exhaust unit 5.
Exhaust unit 5 includes exhaust pump 5a, the second exhaust tube 5b and second exhaust pipe 5c.Exhaust pump 5a has the second pumping
Mouth and second row valve, similar to the structure design of aspiration pump, the second exhaust tube 5b one end is connected with the second air exhaust nozzle, another
End is extended in inspection shaft, and second exhaust pipe 5c one end is connected with second row valve, and the other end is extended in purifier 8.
When control unit 2 generates alarm signal, control unit 2 sends the alarm signal to Surveillance center 200, monitoring
An alarm unit 7 is provided with center 200, such as signal lamp, siren etc., alarm unit 7 are sent in response to the alarm signal
The current inspection shaft of alert notification monitoring personnel is in the hole.At the same time, control unit 2 sends enabled instruction to exhaust pump
5a, exhaust pump 5a start working, and constantly extract the exceeded gas in inspection shaft, make the concentration of dangerous matter sources gas gradually reduce, until
It is up to standard.
In order to achieve the above object, the application is provided with the following course of work：
Control unit 2 is additionally provided with a safe concentration value, it will be appreciated that safe concentration in addition to maximum acceptable concentration value
Value is less than maximum acceptable concentration value.Data acquisition unit 1 detects that gas is exceeded, and control unit 2 starts exhaust pump 5a and constantly taken out
The exceeded gas in inspection shaft is taken, at the same time, the continuous firing of data acquisition unit 1 or high frequency task, until the knot detected
Untill fruit reaches the safe concentration value of setting.
In view of reinforming the situation in monitoring personnel inspection shaft when dangerous matter sources gas is exceeded, do not left to monitoring personnel
Enough reaction time and the time of process problem.Control unit 2 is separately provided with an early warning value for each dangerous matter sources gas, in advance
Alert value is slightly below maximum acceptable concentration value, when data acquisition unit 1 detects that the gas concentration now in inspection shaft has reached pre-
During alert value, control unit 2 sends early warning short message to designated mobile phone, prior notice monitoring personnel by wireless communication unit 3 and carried out
Prepare.
It is more that gas is endangered in inspection shaft, working environment is complicated, than the setting of detection frequency as the aforementioned, if using artificial behaviour
Make, when emergency situations have occurred and that or be imminent, it is easy to which staff is fallen into danger.
Therefore, it is necessary in Surveillance center's remote control dangerous matter sources gas controlling device 100, the application passes through channel radio
Unit 3 is believed to realize, the wireless communication unit 3 is a radio network interface, and in monitoring box 4, and control device 2 connects
Connect.By the wireless communication unit 3 and the wireless network being laid in piping lane, the He of dangerous matter sources gas controlling device 100 is realized
The data interaction of Surveillance center 200.On the one hand, dangerous matter sources gas controlling device 100 by testing result, alarm signal and is worked as
On the other hand the working condition Real-time Feedback of preceding 100 each building block of dangerous matter sources gas controlling device, is supervised to Surveillance center 200
Control center 200 sends control instruction to the control unit 2 of dangerous matter sources gas controlling device 100, then by control unit 2 to other
Part is manipulated, such as setting aspiration pump 1a pumpdown time interval, the maximum acceptable concentration value of each dangerous matter sources gas of setting
Etc..
On the basis of foregoing dangerous matter sources gas controlling device, the application proposes a kind of dangerous matter sources gas monitoring system, should
Dangerous matter sources gas monitoring system includes a BIM O＆Ms server 9 and several dangerous matter sources gas controlling devices 100, such as preceding institute
State, monitoring in need piping lane inspection shaft in be respectively laid with a dangerous matter sources gas controlling device 100.
BIM O＆Ms server 9 is placed in Surveillance center, built-in conventional BIM O＆M softwares, the BIM O＆Ms server 9
Data transfer is realized with all dangerous matter sources gas controlling devices 100 by network and wireless communication unit 3, helps monitor
Member grasps the overall work state of monitoring piping lane.
Foregoing BIM O＆Ms server 9 can use BIM O＆Ms controller commonly used in the prior art, such as the patent No.
BIM mentioned in a kind of 201521143957.8 utility model application " building monitoring system based on BIM O＆M devices "
O＆M controller, along with necessary display unit forms.
Moister in inspection shaft, when rainwater is larger, water level rises in inspection shaft, and dangerous matter sources gas controlling device 100 is
The situation in piping lane can be monitored more in time, it will usually which selection is placed on position relatively low in inspection shaft, therefore, in inspection shaft
When water level rises, dangerous matter sources gas controlling device 100 has certain risk part or is all placed under water, causes dangerous matter sources gas
The damage of monitoring device 100.
In order to avoid the appearance of afore-mentioned, dangerous matter sources gas controlling device 100 also includes a liquid level sensor 10, the liquid
Level sensor 10 is placed in inspection shaft, under monitoring box 4, is connected with control unit 2.When liquid level sensor 10 is detected with
Liquid reaches its detecting head surface, and control unit 2 generates liquid level warning signal, sends to Surveillance center, reminds staff timely
Processing.
Because working environment is severe, it is necessary to reduce manual operation as far as possible in inspection shaft.We can in inspection shaft vertically cloth
If a lifting unit, such as connecting rod, guide rail etc., whole dangerous matter sources gas controlling device 100 is arranged on lifting unit, lifting
Unit is located at higher one end and is connected with a motor, and motor is fixed in inspection shaft.The motor generates liquid level in response to control unit 2
Alarm signal, rotating speed is adjusted, driving lifting unit is retracted to motor drive direction, so as to raise dangerous matter sources gas controlling device 100
Position, it is avoided by water submerged.
Likewise, the motor 12 is connected with control unit 2, according to the works under instruction of control unit 2, therefore can also incite somebody to action
It is arranged to by the remote control of Surveillance center 200.
So as to, the utility model proposes dangerous matter sources gas controlling device and dangerous matter sources gas monitoring system can be to inspection shaft
The many kinds of parameters such as interior dangerous matter sources gas carry out on line real-time monitoring, and using cordless communication network that collection in worksite data are remote
Journey is sent to Surveillance center.
Although the utility model is disclosed above with preferred embodiment, so it is not limited to the utility model.This reality
With new those of ordinary skill in the art, do not departing from spirit and scope of the present utility model, it is each when that can make
The change and retouching of kind.Therefore, the scope of protection of the utility model is worked as and is defined depending on those as defined in claim.
Claims (10)
1. a kind of dangerous matter sources gas monitoring system, the dangerous matter sources gas monitoring system is suitable to a variety of dangerous matter sources gases in inspection shaft
Monitored in real time, and monitoring result is fed back into Surveillance center, in addition, when monitoring that dangerous matter sources gas is exceeded, will be endangered
Dangerous source gas is emitted into purifier, it is characterised in that is filled including BIM O＆Ms server and several dangerous matter sources gas-monitorings
Put, BIM O＆M servers are placed in Surveillance center, several drainage pipeline networks monitoring devices be distributed in need monitor several
In inspection shaft, each inspection shaft lays a dangerous matter sources gas controlling device；
The dangerous matter sources gas controlling device includes data acquisition unit, control unit, wireless communication unit, monitoring box and row
Gas unit；
The data acquisition unit includes aspiration pump, the first exhaust tube, downtake pipe and sensor group；
The aspiration pump is arranged in monitoring box, has the first air exhaust nozzle and a first row valve, one end of the first exhaust tube and the
One air exhaust nozzle is connected, and the other end is extended in the inspection shaft, and one end of downtake pipe is connected with first row valve, and the other end prolongs
Extend in the purifier；
The aspiration pump is connected with control unit, is provided in and gas in inspection shaft is opened and extracted in setting time interval；
The sensor group is located inside the section of tubing in monitoring box installed in downtake pipe, and it is connected with control unit,
It is configured to detect corresponding gas concentration in downtake pipe in real time, and testing result is fed back into control unit；
Described control unit has a configuration part, and the configuration part is used for the maximum acceptable concentration value for setting each dangerous matter sources gas, control
Unit processed is configured to the testing result in response to sensor group feedback beyond the maximum acceptable concentration value of setting, generates alarm signal
Number；
The exhaust unit includes exhaust pump, the second exhaust tube and second exhaust pipe, and exhaust pump has the second air exhaust nozzle and second
Exhaust nozzle, one end of the second exhaust tube are connected with the second air exhaust nozzle, and the other end is extended in inspection shaft, one end of second exhaust pipe with
Second row valve is connected, and the other end is extended in purifier；
The exhaust pump is connected with control unit, is generated alarm signal in response to control unit, is switched to starting state；
Described control unit is connected with the wireless communication unit, and data interaction is realized by network and BIM O＆M servers.
2. dangerous matter sources gas monitoring system according to claim 1, it is characterised in that the setting time at intervals of
10min。
3. dangerous matter sources gas monitoring system according to claim 1, it is characterised in that the dangerous matter sources gas controlling device
Also there is a moisture separator, the moisture separator is arranged on downtake pipe, positioned at first row valve and sensor
Between group.
4. dangerous matter sources gas monitoring system according to claim 1, it is characterised in that it is dense that the sensor group includes methane
Spend sensor, concentration of hydrogen sulfide sensor.
5. dangerous matter sources gas monitoring system according to claim 1, it is characterised in that the configuration part is directed to dangerous matter sources gas
Body is set with an early warning value, and control unit is configured to reach early warning value in response to the result of detection of sensor group feedback, generated
Pre-warning signal.
6. dangerous matter sources gas monitoring system according to claim 5, it is characterised in that the early warning value is less than setting most
Big safe level value.
7. dangerous matter sources gas monitoring system according to claim 5, it is characterised in that described control unit is in response to early warning
Signal, early warning short message is sent to designated mobile phone by wireless communication unit.
8. dangerous matter sources gas monitoring system according to claim 1, it is characterised in that the dangerous matter sources gas monitoring system
With an alarm unit, alarm unit is arranged in the Surveillance center, is configured to, in response to alarm signal, send alarm.
9. dangerous matter sources gas monitoring system according to claim 1, it is characterised in that the dangerous matter sources gas controlling device
With a liquid level sensor, liquid level sensor is placed in inspection shaft, under monitoring box, is connected with control unit；
Described control unit is configured to be detected with liquid in response to the liquid level sensor to reach its detecting head surface, generates liquid
Position alarm signal, and send to Surveillance center.
10. dangerous matter sources gas monitoring system according to claim 9, it is characterised in that the dangerous matter sources gas-monitoring dress
Putting also has a lifting unit, and lifting unit is vertically laid in inspection shaft, and monitoring box is arranged on the lifting unit；
The lifting unit is connected with control unit, is configured in response to liquid level warning signal, is moved to catch pit port direction, from
And raise monitoring box present position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720481350.3U CN206818669U (en) | 2017-05-03 | 2017-05-03 | Dangerous matter sources gas monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720481350.3U CN206818669U (en) | 2017-05-03 | 2017-05-03 | Dangerous matter sources gas monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818669U true CN206818669U (en) | 2017-12-29 |
Family
ID=60755063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720481350.3U Active CN206818669U (en) | 2017-05-03 | 2017-05-03 | Dangerous matter sources gas monitoring system |
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| Country | Link |
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| CN (1) | CN206818669U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961692A (en) * | 2018-08-01 | 2018-12-07 | 合肥泽众城市智能科技有限公司 | A kind of fuel gas detection system and monitoring method |
| CN110118580A (en) * | 2019-05-24 | 2019-08-13 | 无锡佶达德光电子技术有限公司 | Laser detection system with environmental factor compensation |
| CN110118751A (en) * | 2019-05-24 | 2019-08-13 | 无锡佶达德光电子技术有限公司 | The laser detection system of automatic adjusument monitoring frequency |
| CN112326876A (en) * | 2020-09-23 | 2021-02-05 | 北京无线电计量测试研究所 | Automatic ventilation sewage well monitoring equipment, system and method |
-
2017
- 2017-05-03 CN CN201720481350.3U patent/CN206818669U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961692A (en) * | 2018-08-01 | 2018-12-07 | 合肥泽众城市智能科技有限公司 | A kind of fuel gas detection system and monitoring method |
| CN110118580A (en) * | 2019-05-24 | 2019-08-13 | 无锡佶达德光电子技术有限公司 | Laser detection system with environmental factor compensation |
| CN110118751A (en) * | 2019-05-24 | 2019-08-13 | 无锡佶达德光电子技术有限公司 | The laser detection system of automatic adjusument monitoring frequency |
| CN112326876A (en) * | 2020-09-23 | 2021-02-05 | 北京无线电计量测试研究所 | Automatic ventilation sewage well monitoring equipment, system and method |
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Address after: 210000 No.23, Changqing street, moling street, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone) Patentee after: Nanjing Longkun Suchang industrial Internet Co., Ltd Address before: No. 199 Zhong Fang Road, Jiangning Economic Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING LUCULENT CO., LTD. |