CN112392124A - Wisdom drainage inspection shaft - Google Patents
Wisdom drainage inspection shaft Download PDFInfo
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- CN112392124A CN112392124A CN202011150169.7A CN202011150169A CN112392124A CN 112392124 A CN112392124 A CN 112392124A CN 202011150169 A CN202011150169 A CN 202011150169A CN 112392124 A CN112392124 A CN 112392124A
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- 238000007689 inspection Methods 0.000 title claims abstract description 81
- 239000007789 gas Substances 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 231100001261 hazardous Toxicity 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 26
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 12
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 239000005341 toughened glass Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000004092 self-diagnosis Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 230000007774 longterm Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 231100000331 toxic Toxicity 0.000 abstract description 3
- 230000002588 toxic effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0044—Sulphides, e.g. H2S
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
-
- 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
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Public Health (AREA)
- Hydrology & Water Resources (AREA)
- Thermal Sciences (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to an intelligent drainage inspection well.A shaft of the inspection well is additionally provided with an independent equipment cavity for placing and protecting monitoring equipment, and the shaft of the inspection cavity and the equipment cavity are respectively provided with an independently openable well cover; the equipment intracavity is equipped with aspirator pump and unification hazardous gas detector more, and the breather pipe is connected to the air inlet of aspirator pump, in the breather pipe stretched into inspection chamber well room and inspection chamber pit shaft through flexible waterproof sleeve pipe, the gas at the different positions of extraction inspection intracavity, the gas vent of aspirator pump is connected unification hazardous gas detector more at most, is detected the gas of extraction by unification hazardous gas detector more. The inspection well can protect equipment from being corroded by toxic and harmful gases in the inspection well, and is convenient for workers to maintain and overhaul the detection equipment.
Description
Technical Field
The invention belongs to the technical field of urban drainage pipe network information monitoring, and relates to an intelligent drainage inspection well with intelligent sensing and pre-alarming functions.
Background
The urban drainage pipe network is an important municipal infrastructure for urban production and life, but risks such as concentration accumulation of hazardous gases, toxic and harmful gases and the like, exceeding standards, pipeline silting and blocking and the like often occur in the urban drainage pipe network, and various safety production accidents can be caused if sensing and pre-alarming means are absent or are not in time, so that the normal operation of the urban drainage system can be seriously threatened, and the loss of lives and properties of people is caused. In recent years, along with the construction development of wisdom water utilities in various regions, higher requirement has been put forward to the monitoring early warning of municipal drainage pipe network, and domestic monitoring to the hazardous gas concentration and the liquid level of drainage pipe network mainly still adopts artifical sample analysis or portable instrument in the past, and this not only needs to spend a large amount of manpower and materials, and the application demand that wisdom city was administered is synthesized can not be satisfied far away to measured data moreover, and the means of treating urgent need to pass through wisdom is energized for the drainage inspection shaft.
Disclosure of Invention
The invention aims to provide a smart drainage inspection well which can realize all-around and whole-process monitoring on the concentration and liquid level height information of dangerous gas in a drainage pipe network, not only provide bottom data for the construction of urban smart water affairs, but also judge the overproof condition of the concentration of the dangerous gas in the drainage pipe network and the blockage condition of the pipe network according to the monitoring data, remind maintainers to treat accidents before accidents occur, and effectively reduce the accident probability of the urban drainage pipe network.
In order to achieve the purpose, the technical scheme of the invention is as follows: an intelligent drainage inspection well comprises an inspection cavity, wherein the inspection cavity comprises an inspection cavity well chamber and an inspection cavity shaft positioned above the inspection cavity well chamber; the equipment intracavity is equipped with aspirator pump and unification hazardous gas detector more, and the breather pipe is connected to the air inlet of aspirator pump, in the breather pipe stretched into inspection chamber well room and inspection chamber pit shaft through flexible waterproof sleeve pipe, the gas at the different positions of extraction inspection intracavity, the gas vent of aspirator pump is connected unification hazardous gas detector more at most, is detected the gas of extraction by unification hazardous gas detector more.
Furthermore, the gap between the flexible waterproof sleeve and the vent pipe is sealed by adopting a corrosion-resistant elastic rubber material, so that the dangerous gas in the inspection cavity is prevented from entering the equipment cavity to corrode the equipment at ordinary times.
Further, equipment chamber well lid divide into three layer construction, from the top down is toughened glass layer, solar cell panel layer and well lid base layer in proper order, and the equipment intracavity is equipped with the battery and cooperatees with the solar cell panel on the well lid for provide permanent, lasting power supply for equipment.
Furthermore, a flange preformed hole for mounting the probe of the ultrasonic liquid level meter is reserved at the bottom of the equipment cavity at the top of the inspection cavity well chamber and used for mounting the ultrasonic liquid level meter.
Furthermore, a main controller is also arranged in the equipment cavity, the main controller judges whether the concentration of the dangerous gas and the liquid level height in the inspection well are out of limit or not according to the detection result of the detection instrument, and if the concentration and the liquid level height are out of limit, different pre-alarm signals are sent to a remote server according to different set values; in addition, the main controller can also determine the working time of the next detection instrument according to the detection results of two adjacent times, and control the detection instrument to work in the working time of the next detection instrument.
The control method of the main controller comprises the following steps:
s1, presetting the first working time interval delta T of the detecting instrument in the inspection well1Longest working time interval Δ TmaxShortest operating time interval Δ TminPre-warning concentration of methane gas
Alarm concentration
Pre-alarm concentration of hydrogen sulfide gas
Alarm concentration
Liquid level pre-alarm height WLAlarm height Ah；
S2, recording the time T of the adjacent 2 times of detection datamAnd Tm-1Detected concentration of methane gas CH4，mAnd CH4，m-1Detected concentration of hydrogen sulfide gas H2SmAnd H2Sm-1Height of liquid level LmAnd Lm-1；
S3, judging whether the gas concentration and the liquid level height of the methane and the hydrogen sulfide exceed the pre-alarm value, entering S4 if the gas concentration and the liquid level height of the methane and the hydrogen sulfide exceed the pre-alarm value, and entering S5 if the gas concentration and the liquid level height exceed the pre-alarm value;
s4, if the alarm value exceeds the pre-alarm value but does not exceed the alarm value, sending a pre-alarm to the remote server to remind the staff of paying attention; if the alarm value is exceeded, entering a continuous detection state;
s5, calculating the time interval Δ T of two measurementsm-Tm-1Difference in methane gas concentration Δ CH4＝CH4,m-CH4,m-1Difference in hydrogen sulfide gas concentration Δ H2S＝H2Sm-H2Sm-1The difference of liquid level height DeltaL ═ Lm-Lm-1；
S6, calculating
And judge
ΔTLIf there is any value less than or equal to 0, let the value of the term less than 0 be Δ Tmax；
S7, calculating
And is compared with a preset delta Tmax，ΔTminMaking a comparison if Δ Tmin≤ΔT≤ΔTmaxThen, the next working time interval Δ T of the meter is setm+1Δ T; if Δ T is not less than Δ TmaxThen, the next working time of the meter is set according to the interval Delta Tm+1＝ΔTmax(ii) a If Δ T is less than or equal to Δ TminThen, the next working time of the meter is set according to the interval Delta Tm+1＝ΔTmin。
Furthermore, an NB-IoT wireless communication module is installed in the inspection well equipment cavity, and by using the module, not only can the instrument detection result and the system operation state be directly sent to a remote server, but also the instruction sent by the server can be sent to a main controller.
Furthermore, the intelligent drainage inspection well is characterized in that a main controller installed in an inspection well equipment cavity has a self-diagnosis function, can perform periodic inspection on conditions such as faults of a detection instrument, low electric quantity of a storage battery, damage of a communication module and the like, and can automatically send corresponding fault codes to a remote server when an abnormality occurs.
The invention has the advantages that: according to the invention, the equipment cavity is additionally arranged at the shaft of the traditional drainage inspection well, the detection equipment is independently placed in the equipment cavity, the equipment cavity is not directly communicated with the drainage inspection well, and gas in the drainage inspection well is sucked into the equipment well by using the air suction pump and the vent pipe for detection, so that on one hand, the equipment is protected from being corroded by toxic and harmful gas in the inspection well, and on the other hand, the maintenance and overhaul of the detection equipment by workers are facilitated; in addition, the main controller in the inspection well has a function of self-adaptive adjustment of detection time, and is used for flexibly adjusting the interval between two adjacent detection times, reducing the overall energy consumption of the equipment and prolonging the service life of the instrument detection equipment.
Drawings
FIG. 1 is a schematic sectional view of an intelligent drainage inspection well;
FIG. 2 is a schematic top view of the intelligent drainage inspection well;
FIG. 3 is a schematic diagram of an apparatus arrangement of an apparatus chamber;
FIG. 4 is a schematic view of an ultrasonic level gauge installation;
FIG. 5 is a flow chart of the main controller control;
the drawing comprises a 1, an inspection cavity, a 2, an equipment cavity, a 3, an inspection cavity well cover, a 4, an equipment cavity well cover, a 5, a solar cell panel, a 6, a storage battery, a 7, a vent pipe, a 8, a suction pump, a 9, a main controller, a 10, a flexible waterproof sleeve, a 11, an equipment cavity well cover vent hole, a 12, toughened glass, a 13, an ultrasonic liquid level meter, a 14, an all-in-one gas detector, a 15, a wireless communication module, a 16, a corrosion-resistant elastic rubber material, a 17 and a flange reserved hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in FIG. 1, an intelligent drainage manhole is mainly composed of an inspection chamber 1 and an equipment chamber 2. The inspection chamber comprises a traditional inspection chamber body of the inspection chamber 1, an inspection chamber well chamber and an inspection chamber shaft located above the inspection chamber well chamber, wherein the equipment chamber is a closed space which is close to the inspection chamber shaft and located above the inspection chamber well chamber, a storage battery 6, a suction pump 8, a main controller 9, an ultrasonic liquid level meter 13, an all-in-one gas detector 14 and an NB-IoT wireless communication module 15 are placed in the equipment chamber. The equipment chamber 2 in the inspection shaft and the inspection chamber 1 are not directly communicated, the hazardous gas in the drainage pipe network can not enter the equipment chamber 2 through natural loss, the inspection chamber 1 and the equipment chamber 2 are respectively provided with an independent openable well cover, and a worker can independently overhaul and maintain the faults of different chambers.
In the invention, the well chamber of the inspection cavity is communicated with the shaft of the inspection cavity, and the shaft is arranged above the well chamber, because various dangerous gases exist in the sewage pipe network, and the specific gravities of different dangerous gases to air are not completely the same, only the gas concentration data existing at a single height is detected, and the detection data can have larger errors, the gas concentration data at two positions of the well chamber of the inspection cavity and the shaft of the inspection cavity are sampled.
The main controller of the invention adopts the sng1600f controller, and can realize the main functions of low power consumption continuous operation, data receiving and transmitting, GPS positioning, clock control and the like.
The NB-IoT wireless communication module adopts a Wisefone7100 chip, covers the advantages of wide range, low power consumption, large connection and low cost, and serves as a bridge between local and remote control of the inspection well.
In addition, the inspection cavity and the equipment cavity are separated by a concrete well wall, two flexible waterproof sleeves 10 are embedded in the well wall, a vent pipe 7 of the air suction pump stretches into the inspection cavity through the waterproof sleeves, and a gap between each waterproof sleeve and each vent pipe is sealed by a fluororubber O-shaped sealing ring.
As shown in fig. 2, independent maintenance well lid is installed respectively to inspection chamber 1 and equipment chamber 2, is equipped with two exhaust holes 11 on 2 well lids of equipment chamber for the circulation of the interior air of equipment chamber 2, and be equipped with the cavity of laying solar cell panel 5 between two exhaust holes 11, and the cavity top is protected by toughened glass 2, and usable solar cell panel 5 charges for battery 6 at ordinary times, guarantees that check out test set can long-time steady operation.
As shown in FIG. 3, the air inlet of the getter pump and the air pipe 7, and the air outlet of the getter pump and the air inlet of the all-in-one gas detector 14 are connected by hoses. When the inspection well needs to detect information in the well, the air suction pump is started to operate, and air in the inspection cavity is sucked into the all-in-one air detector 14 for detection. After the detection is finished, the detector transmits the detection result to the main controller 9, the main controller 9 judges whether an alarm signal needs to be sent out or not and calculates the next working time, the NB-IoT wireless communication module 15 transmits data to the remote server for storage, and the sucked gas is naturally emitted to the atmosphere along the equipment cavity well lid exhaust hole 11, so that a detection period is finished.
As shown in FIG. 4, a flange preformed hole 17 for installing the probe of the ultrasonic liquid level meter is reserved at the top of the concrete of the inspection cavity at the bottom of the equipment cavity, and the ultrasonic liquid level meter 13 is installed in the equipment cavity through a flange and detects the liquid level height in the inspection cavity through the preformed hole. The liquid level detection data and the gas detection data are transmitted to the main controller 9 for judgment, and then the NB-IoT wireless communication module transmits the liquid level detection data and the gas detection data to the remote server for storage.
The main flow of the control method of the main controller in the inspection well is shown in FIG. 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement or improvement made within the technical spirit and the principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. An intelligent drainage inspection well comprises an inspection cavity, wherein the inspection cavity comprises an inspection cavity well chamber and an inspection cavity shaft positioned above the inspection cavity well chamber; the equipment intracavity is equipped with aspirator pump and unification hazardous gas detector more, and the breather pipe is connected to the air inlet of aspirator pump, in the breather pipe stretched into inspection chamber well room and inspection chamber pit shaft through flexible waterproof sleeve pipe, the gas at the different positions of extraction inspection intracavity, the gas vent of aspirator pump is connected unification hazardous gas detector more at most, is detected the gas of extraction by unification hazardous gas detector more.
2. The intelligent drainage inspection well of claim 1, wherein the gap between the flexible waterproof casing and the vent pipe is sealed with a corrosion-resistant elastic rubber material to prevent the dangerous gas in the inspection chamber from entering the equipment chamber to corrode the equipment.
3. The intelligent drainage inspection well of claim 1, wherein the equipment chamber is divided into three layers, from top to bottom, a toughened glass layer, a solar cell panel layer and a well lid base layer, and the storage battery in the equipment chamber is matched with the solar cell panel on the well lid to provide long-term and continuous power supply for the equipment.
4. The intelligent drainage manhole of claim 1 wherein a flange hole for mounting the probe of the ultrasonic level meter is reserved at the bottom of the equipment chamber at the top of the manhole chamber for mounting the ultrasonic level meter.
5. The intelligent drainage inspection well of claim 1, wherein the equipment chamber is further provided with a main controller, the main controller judges whether the concentration and the liquid level of the dangerous gas in the inspection well are out of limit according to the detection result of the detection instrument, if the out of limit occurs, different pre-alarm signals are sent to the remote server according to different set values; in addition, the main controller can also determine the working time of the next detection instrument according to the detection results of two adjacent times, and control the detection instrument to work in the working time of the next detection instrument.
6. The intelligent drainage manhole of claim 5 wherein the control method of the main controller comprises the steps of:
s1, presetting the first working time interval delta T of the detecting instrument in the inspection well1Longest working time interval Δ TmaxShortest operating time interval Δ TminPre-warning concentration of methane gas
Alarm concentration
Pre-alarm concentration of hydrogen sulfide gas
Alarm concentration
Liquid level pre-alarm height WLAlarm height Ah；
S2, recording the time T of the adjacent 2 times of detection datamAnd Tm-1Detected concentration of methane gas CH4，mAnd CH4，m-1Detected concentration of hydrogen sulfide gas H2SmAnd H2Sm-1Height of liquid level LmAnd Lm-1；
S3, judging whether the gas concentration and the liquid level height of the methane and the hydrogen sulfide exceed the pre-alarm value, entering S4 if the gas concentration and the liquid level height of the methane and the hydrogen sulfide exceed the pre-alarm value, and entering S5 if the gas concentration and the liquid level height exceed the pre-alarm value;
s4, if the alarm value exceeds the pre-alarm value but does not exceed the alarm value, sending a pre-alarm to the remote server to remind the staff of paying attention; if the alarm value is exceeded, entering a continuous detection state;
s5, calculating the time interval Δ T of two measurementsm-Tm-1Difference in methane gas concentration Δ CH4＝CH4,m-CH4,m-1Difference in hydrogen sulfide gas concentration Δ H2S＝H2Sm-H2Sm-1The difference of liquid level height DeltaL ═ Lm-Lm-1；
S6, calculating
And judge
ΔTLIf there is any value less than or equal to 0, let the value of the term less than 0 be Δ Tmax；
S7, calculating
And is compared with a preset delta Tmax，ΔTminMaking a comparison if Δ Tmin≤ΔT≤ΔTmaxThen, the next working time interval Δ T of the meter is setm+1Δ T; if Δ T is not less than Δ TmaxThen, the next working time of the meter is set according to the interval Delta Tm+1＝ΔTmax(ii) a If Δ T is less than or equal to Δ TminThen, the next working time of the meter is set according to the interval Delta Tm+1＝ΔTmin。
7. The intelligent drainage manhole of claim 1 wherein the manhole equipment chamber is equipped with an NB-IoT wireless communication module, which can be used to transmit the meter test results and the system operation status to a remote server directly, and transmit the commands from the server to the main controller.
8. The intelligent drainage inspection well of claim 1, wherein the main controller has a self-diagnosis function, and can periodically check the fault of the inspection instrument, the low battery, the damage of the communication module, and the like, and automatically send a corresponding fault code to the remote server when an abnormality occurs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011150169.7A CN112392124A (en) | 2020-10-23 | 2020-10-23 | Wisdom drainage inspection shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011150169.7A CN112392124A (en) | 2020-10-23 | 2020-10-23 | Wisdom drainage inspection shaft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267209A (en) * | 2021-05-26 | 2021-08-17 | 安徽新宇生态产业股份有限公司 | Online intelligent monitoring equipment for inspection well shaft and using method thereof |
| CN114593958A (en) * | 2022-05-07 | 2022-06-07 | 奥来国信（北京）检测技术有限责任公司 | Continuous intermittent sampling and sample reserving device in remote control sewage inspection well |
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| CN109610610A (en) * | 2019-01-14 | 2019-04-12 | 中国市政工程西北设计研究院有限公司 | A kind of application apparatus of new city drainage inspection well |
| CN210562518U (en) * | 2019-07-03 | 2020-05-19 | 广东天元建筑设计有限公司 | Mechanical automatic flow-dividing inspection well |
| CN211200620U (en) * | 2019-08-02 | 2020-08-07 | 上海新三星给排水设备有限公司 | Dry-wet separation type integrated intelligent intercepting well |
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| CN113267209A (en) * | 2021-05-26 | 2021-08-17 | 安徽新宇生态产业股份有限公司 | Online intelligent monitoring equipment for inspection well shaft and using method thereof |
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