CN108397689A - A kind of quick judgment means of sewage network quality and method based on technology of Internet of things - Google Patents
A kind of quick judgment means of sewage network quality and method based on technology of Internet of things Download PDFInfo
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- CN108397689A CN108397689A CN201810543093.0A CN201810543093A CN108397689A CN 108397689 A CN108397689 A CN 108397689A CN 201810543093 A CN201810543093 A CN 201810543093A CN 108397689 A CN108397689 A CN 108397689A
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- 239000010865 sewage Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 61
- 238000005070 sampling Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 238000007689 inspection Methods 0.000 claims description 32
- 238000004451 qualitative analysis Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000007619 statistical method Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 29
- 238000012360 testing method Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000011982 device technology Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- 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
-
- 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
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Medicine (AREA)
- Food Science & Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sewage (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A kind of quick judgment means of sewage network quality and method based on technology of Internet of things, it is related to sewage network detection device technology field.It includes device case, first micromotor, first sensor, first connecting line, first probe, second micromotor, second sensor, second connecting line, second probe, equipment installation cavity, sampling equipment, mobile phone fixed bit, described device enclosure interior side is provided with the first micromotor, it is provided with first sensor in the middle part of the corresponding device case of first micromotor, device case lower surface is provided with the first probe, and first pops one's head in setting below first sensor, the setting of first connecting line one end is on the first micromotor driving end, the setting of the first connecting line other end is on the first probe.After adopting the above technical scheme, the present invention has the beneficial effect that：Equipment is simply light, easy to carry, and equipment price and testing cost are cheap, and without going into the well, energy detection data, detection data is accurate and can conduct in time.
Description
Technical field
The present invention relates to sewage network detection device technology fields, and in particular to a kind of sewage pipe based on technology of Internet of things
The quick judgment means of net quality and method.
Background technology
It is embedded in phenomena such as sewage network of underground is prone to damaged, siltation, influences sewage collecting, it is serious to ooze
Leakage, polluted river and underground water.
Traditional sewage network detection technique has direct-vision method, reflective mirror inspection technique, diver's inspection technique, CCTV detections
Method, sonar detection method, penetrating antenna detection method, pipeline scanning are with assessment technique, multiple sensor etc..It is direct-vision method, reflective
Spectroscopy method, diver's inspection technique etc. need manual operation, and detection needs certain experience, as a result accuracy easily by people's subjectivity because
Certain influence of element；CCTV detection methods detection device is expensive, and pipe plugging is needed to draw water, and detection time is long, and testing cost is high；Sound
Detection method equipment of receiving is expensive, needs to place a device in pipeline, testing cost is high.
In addition, the needs such as direct-vision method, reflective mirror inspection technique, diver's inspection technique, CCTV detection methods, sonar detection method
Personnel enter in well, or equipment is placed in well, and toxic and harmful gas is easily to human injury in well；Penetrating antenna detects
Method, pipeline scan high with the testing cost of the detection techniques such as assessment technique, multiple sensor.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of sewage based on technology of Internet of things
The quick judgment means of pipe network quality and method, equipment is simply light, easy to carry, simple operation, equipment price and check fee
With cheap, without going into the well, can detection data, the physical safety of testing staff, detection time can be protected short, detection data is accurate
And can conduct in time, people can independently working, can be sewage network into one with fast qualitative analysis utilizing sewage network situation
Step refinement detection provides direction, is supported to the pipe of sewage network and maintenance has very important significance.
To achieve the above object, the present invention is using following technical scheme：
A kind of quick judgment means of sewage network quality based on technology of Internet of things, it includes that device case 1, first is miniature
Motor 2, first sensor 3, the 5, second micromotor 6 of the first connecting line 4, first probe, second sensor 7, the second connecting line
8, the second probe 9, equipment installation cavity 10, sampling equipment 11, mobile phone fixed bit 12,1 interior side of described device shell are provided with
First micromotor 2,2 corresponding device case middle part of the first micromotor are provided with first sensor 3,1 following table of device case
Face is provided with the first probe 5, and the first probe 5 is arranged below first sensor 3, and 4 one end of the first connecting line is arranged first
Micromotor 2 drives on end, and the setting of 4 other end of the first connecting line passes through first on the first probe 5 among first connecting line 4
Sensor 3, the 1 inside other side of device case are provided with the second micromotor 6, in 6 corresponding device case of the second micromotor
Portion is provided with second sensor 7, and 1 lower surface of device case is provided with the second probe 9, and 9 setting of the second probe is in the second sensing
The lower section of device 7, the setting of 8 one end of the second connecting line is on the second micromotor 6 driving end, and the setting of 8 other end of the second connecting line is the
On two probes 9, second sensor 7 is passed through among the second connecting line 8, the second probe 9 is internally provided with equipment installation cavity 10, equipment
Sampling equipment 11 can be installed, 1 upper surface centre position of device case is provided with mobile phone fixed bit 12 in installation cavity 10.
The shape of described device shell 1 is strip.
First micromotor, 2 and second micromotor 6 is axially symmetric about device case 1.
The first sensor 3 is axially symmetric about device case 1 with second sensor 7.
First probe, 5 and second probe 9 is axially symmetric about device case 1.
A kind of sewage network quality quick judgment method based on technology of Internet of things, it is comprised the following steps：
Step 1 opens cell phone system, scans the bar code on sampling equipment 11, sampling equipment 11 is recorded, by sampling equipment
11 are installed in the second probe 9, and the density of the first probe 5 is slightly below the density of water, is visited for water level elevation in detecting shaft, second
First 9 density ratio water is big, and is provided with equipment installation cavity 10, detects sewage inspection well bottom absolute altitude and water sampling；
Step 2 is fixed mobile phone by mobile phone fixed bit 12, connects associated data line；
Step 3 opens well lid, and sewage network device for fast detecting is fixed on well head, using global position system, measures
The coordinate and elevation of inspection shaft, identify well location in system；
Step 4, the corresponding micromotor of startup allow corresponding probe slowly to drop in well, and water level is measured respectively using sensor
With height of the shaft bottom away from well head, and system is uploaded to, is automatically converted into water level elevation and shaft bottom elevation in well；
Step 5, the corresponding micromotor of startup withdraw corresponding probe and sampling equipment 11；
Step 6 is detected the indexs such as water sample progress COD concentration；
It is step 7, for statistical analysis to indexs such as the water level conditions of each inspection shaft and COD using system.
The step 7 the specific steps are：Qualitative analysis sewage network situation, if in adjacent inspection shaft water level elevation it
Difference meets hydraulic gradient requirement, and COD concentration differs in the reasonable scope, then illustrates that the segment pipe is preferable；If upstream inspection shaft
Interior water level is higher, and the water level in the inspection shaft of downstream is relatively low, illustrates that this section of pipe has siltation, blocking etc. and influence pipe drainage situation；
If the COD concentration difference in adjacent inspection shaft is larger, it is damaged to illustrate that pipeline exists, has underground water etc. to penetrate into sewage network
In.
After adopting the above technical scheme, the present invention has the beneficial effect that：Equipment is simply light, easy to carry, simple operation, if
Standby price and testing cost are cheap, without going into the well, energy detection data, when can protect physical safety, the detection of testing staff
Between it is short, detection data is accurate and can conduct in time, people can independently working, can be with fast qualitative analysis utilizing sewage network feelings
Condition provides direction for the further refinement detection of sewage network, and the pipe of sewage network, which is supported and safeguarded, has very important meaning
Justice.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the principle of the present invention schematic block diagram.
Reference sign：Device case 1, the first micromotor 2, first sensor 3, the first connecting line 4, first probe
5, the second micromotor 6, second sensor 7, the second connecting line 8, second probe 9, equipment installation cavity 10, sampling equipment 11, hand
Machine fixed bit 12.
Specific implementation mode
Shown in Fig. 1-Fig. 2, present embodiment the technical solution adopted is that：
A kind of quick judgment means of sewage network quality based on technology of Internet of things, it includes that device case 1, first is miniature
Motor 2, first sensor 3, the 5, second micromotor 6 of the first connecting line 4, first probe, second sensor 7, the second connecting line
8, the second probe 9, equipment installation cavity 10, sampling equipment 11, mobile phone fixed bit 12,1 interior side of described device shell are provided with
First micromotor 2,2 corresponding device case middle part of the first micromotor are provided with first sensor 3,1 following table of device case
Face is provided with the first probe 5, and the first probe 5 is arranged below first sensor 3, and 4 one end of the first connecting line is arranged first
Micromotor 2 drives on end, and the setting of 4 other end of the first connecting line passes through first on the first probe 5 among first connecting line 4
Sensor 3, the 1 inside other side of device case are provided with the second micromotor 6, in 6 corresponding device case of the second micromotor
Portion is provided with second sensor 7, and 1 lower surface of device case is provided with the second probe 9, and 9 setting of the second probe is in the second sensing
The lower section of device 7, the setting of 8 one end of the second connecting line is on the second micromotor 6 driving end, and the setting of 8 other end of the second connecting line is the
On two probes 9, second sensor 7 is passed through among the second connecting line 8, the second probe 9 is internally provided with equipment installation cavity 10, equipment
Sampling equipment 11 can be installed, 1 upper surface centre position of device case is provided with mobile phone fixed bit 12 in installation cavity 10.
The shape of described device shell 1 is strip.
First micromotor, 2 and second micromotor 6 is axially symmetric about device case 1.
The first sensor 3 is axially symmetric about device case 1 with second sensor 7.
First probe, 5 and second probe 9 is axially symmetric about device case 1.
A kind of sewage network quality quick judgment method based on technology of Internet of things, it is comprised the following steps：
Step 1 opens cell phone system, scans the bar code on sampling equipment 11, sampling equipment 11 is recorded, by sampling equipment
11 are installed in the second probe 9, and the density of the first probe 5 is slightly below the density of water, is visited for water level elevation in detecting shaft, second
First 9 density ratio water is big, and is provided with equipment installation cavity 10, detects sewage inspection well bottom absolute altitude and water sampling；
Step 2 is fixed mobile phone by mobile phone fixed bit 12, connects associated data line；
Step 3 opens well lid, and sewage network device for fast detecting is fixed on well head, using global position system, measures
The coordinate and elevation of inspection shaft, identify well location in system；
Step 4, the corresponding micromotor of startup allow corresponding probe slowly to drop in well, and water level is measured respectively using sensor
With height of the shaft bottom away from well head, and system is uploaded to, is automatically converted into water level elevation and shaft bottom elevation in well；
Step 5, the corresponding micromotor of startup withdraw corresponding probe and sampling equipment 11；
Step 6 is detected the indexs such as water sample progress COD concentration；
It is step 7, for statistical analysis to indexs such as the water level conditions of each inspection shaft and COD using system,
The step 7 the specific steps are：Qualitative analysis sewage network situation, if in adjacent inspection shaft water level elevation it
Difference meets hydraulic gradient requirement, and COD concentration differs in the reasonable scope, then illustrates that the segment pipe is preferable；If upstream inspection shaft
Interior water level is higher, and the water level in the inspection shaft of downstream is relatively low, illustrates that this section of pipe has siltation, blocking etc. and influence pipe drainage situation；
If the COD concentration difference in adjacent inspection shaft is larger, it is damaged to illustrate that pipeline exists, has underground water etc. to penetrate into sewage network
In.
The operation principle of the present invention：Cell phone system is opened, the bar code on sampling equipment 11 is scanned, records sampling equipment
11, sampling equipment 11 is installed in the equipment installation cavity 10 inside the second probe 9；The density of first probe 5 is slightly below water
Density, for water level elevation in detecting shaft, the density ratio water of the second probe 9 is big, and is provided with equipment installation cavity 10, detects sewage
Inspection shaft bottom absolute altitude and water sampling；Mobile phone fixed bit is installed convenient for mobile phone and is fixed, and is received data using mobile phone and is measured ground height
Journey is convenient for the conversion of water level elevation and shaft bottom elevation；Well lid is opened, sewage network device for fast detecting is fixed on well head, profit
With global position system, the coordinate and elevation of inspection shaft are measured, and related data is transferred to system, is compared using coordinate,
Well location is identified in system；Starting corresponding micromotor according to actual demand allows corresponding probe slowly to drop in well, utilizes biography
Sensor measures the height of water level and shaft bottom away from well head respectively, and uploads to system, and subtracting height difference by ground elevation can be automatic
It is converted into water level elevation and shaft bottom elevation in well；Two micromotors are used for the folding and unfolding of receipt of wire and control line；Start corresponding micro-
Type motor withdraws corresponding probe and sampling equipment；The indexs such as COD concentration are carried out to water sample to be detected；Further, it is also possible to according to
Actual needs, for example poisonous and harmful substance present in industrial wastewater etc., increases relevant detection content；Using system to each
The indexs such as water level elevation, water, the COD of inspection shaft are for statistical analysis, qualitative analysis sewage network situation；If adjacent inspection
The difference of water level elevation meets hydraulic gradient requirement in well, and COD concentration differs in the reasonable scope, then illustrates that the segment pipe is preferable；
If water level is higher in the inspection shaft of upstream, the water level in the inspection shaft of downstream is relatively low, illustrates that this section of pipe has the influences such as siltation, blocking
Pipe drainage situation；If the COD concentration difference in adjacent inspection shaft is larger, it is damaged to illustrate that pipeline exists, has underground water isotonic
Thoroughly in sewage network.
After adopting the above technical scheme, the present invention has the beneficial effect that：Equipment is simply light, easy to carry, simple operation, if
Standby price and testing cost are cheap, without going into the well, energy detection data, when can protect physical safety, the detection of testing staff
Between it is short, detection data is accurate and can conduct in time, people can independently working, can be with fast qualitative analysis utilizing sewage network feelings
Condition provides direction for the further refinement detection of sewage network, and the pipe of sewage network, which is supported and safeguarded, has very important meaning
Justice.
The above is merely illustrative of the technical solution of the present invention and unrestricted, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of quick judgment means of sewage network quality based on technology of Internet of things, it is characterised in that：It includes device case
(1), the first micromotor (2), first sensor (3), the first connecting line (4), first probe (5), the second micromotor (6),
Second sensor (7), the second connecting line (8), the second probe (9), equipment installation cavity (10), sampling equipment (11), mobile phone are fixed
Position (12), described device shell (1) interior side are provided with the first micromotor (2), the corresponding device of the first micromotor (2)
Housing central section is provided with first sensor (3), and device case (1) lower surface is provided with the first probe (5), and the first probe (5)
Setting is below first sensor (3), and on the first micromotor (2) driving end, first connects the setting of the first connecting line (4) one end
The setting of wiring (4) other end passes through first sensor (3), device case on the first probe (5) among the first connecting line (4)
(1) the internal other side is provided with the second micromotor (6), and the is provided in the middle part of the corresponding device case of the second micromotor (6)
Two sensors (7), device case (1) lower surface is provided with the second probe (9), and the second probe (9) is arranged in second sensor
(7) lower section, on the second micromotor (6) driving end, the second connecting line (8) other end is set the setting of the second connecting line (8) one end
It sets on the second probe (9), second sensor (7) is passed through among the second connecting line (8), the second probe (9), which is internally provided with, to be set
Standby installation cavity (10), equipment installation cavity (10) is interior can to install sampling equipment (11), the setting of device case (1) upper surface centre position
There is mobile phone fixed bit (12).
2. a kind of quick judgment means of sewage network quality based on technology of Internet of things according to claim 1, feature
It is：The shape of described device shell (1) is strip.
3. a kind of quick judgment means of sewage network quality based on technology of Internet of things according to claim 1, feature
It is：First micromotor (2) is axially symmetric about device case (1) with the second micromotor (6).
4. a kind of quick judgment means of sewage network quality based on technology of Internet of things according to claim 1, feature
It is：The first sensor (3) is axially symmetric about device case (1) with second sensor (7).
5. a kind of quick judgment means of sewage network quality based on technology of Internet of things according to claim 1, feature
It is：First probe (5) and the second probe (9) are axially symmetric about device case (1).
6. a kind of sewage network quality quick judgment method based on technology of Internet of things, it is characterised in that it is comprised the following steps：
Step 1 opens cell phone system, scans the bar code on sampling equipment 11, records sampling equipment 11, sampling equipment 11 is pacified
Loaded in the second probe 9, the density of the first probe 5 is slightly below the density of water, for water level elevation in detecting shaft, the second probe 9
Density ratio water it is big, and be provided with equipment installation cavity 10, detect sewage inspection well bottom absolute altitude and water sampling；
Step 2 is fixed mobile phone by mobile phone fixed bit 12, connects associated data line；
Step 3 opens well lid, and sewage network device for fast detecting is fixed on well head, using global position system, measures and checks
The coordinate and elevation of well, identify well location in system；
Step 4, the corresponding micromotor of startup allow corresponding probe slowly to drop in well, and water level and well are measured respectively using sensor
Height of the bottom away from well head, and system is uploaded to, it is automatically converted into water level elevation and shaft bottom elevation in well；
Step 5, the corresponding micromotor of startup withdraw corresponding probe and sampling equipment 11；
Step 6 is detected the indexs such as water sample progress COD concentration；
It is step 7, for statistical analysis to indexs such as the water level conditions of each inspection shaft and COD using system.
7. a kind of sewage network quality quick judgment method based on technology of Internet of things according to claim 6, feature
It is：The step 7 the specific steps are：Qualitative analysis sewage network situation, if in adjacent inspection shaft water level elevation difference
Meet hydraulic gradient requirement, COD concentration differs in the reasonable scope, then illustrates that the segment pipe is preferable；If in the inspection shaft of upstream
Water level is higher, and the water level in the inspection shaft of downstream is relatively low, illustrates that this section of pipe has siltation, blocking etc. and influence pipe drainage situation；Such as
COD concentration difference in the adjacent inspection shaft of fruit is larger, and it is damaged to illustrate that pipeline exists, has underground water etc. to penetrate into sewage network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543093.0A CN108397689B (en) | 2018-05-30 | 2018-05-30 | Sewage pipe network quality rapid judging device and method based on Internet of things technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543093.0A CN108397689B (en) | 2018-05-30 | 2018-05-30 | Sewage pipe network quality rapid judging device and method based on Internet of things technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108397689A true CN108397689A (en) | 2018-08-14 |
| CN108397689B CN108397689B (en) | 2023-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810543093.0A Active CN108397689B (en) | 2018-05-30 | 2018-05-30 | Sewage pipe network quality rapid judging device and method based on Internet of things technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN108397689B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406210A (en) * | 2018-11-12 | 2019-03-01 | 苏州市职业大学 | A kind of water quality detection system and its control method based on NB-IoT |
| CN109725366A (en) * | 2018-11-23 | 2019-05-07 | 北京建筑大学 | The localization method and system of rainwater plugging point |
| CN112099459A (en) * | 2020-10-20 | 2020-12-18 | 万体物联信息科技(无锡)有限公司 | Operation monitoring system and method for rainwater and sewage pipe network |
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| DE102014106891A1 (en) * | 2014-05-15 | 2015-11-19 | MJM GmbH | Apparatus for testing water pipes for contamination |
| CN106802177A (en) * | 2017-02-28 | 2017-06-06 | 中山市知科应用科技研究有限公司 | It is a kind of to aid in that the device that the depth of water monitors pressure sensor is installed |
| CN206863020U (en) * | 2017-07-13 | 2018-01-09 | 福建（泉州）哈工大工程技术研究院 | A kind of municipal sewage pipe network monitoring water quality on line system |
| CN208381767U (en) * | 2018-05-30 | 2019-01-15 | 北京师范大学珠海分校 | A kind of quick judgment means of sewage network quality based on technology of Internet of things |
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2018
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| DE102014106891A1 (en) * | 2014-05-15 | 2015-11-19 | MJM GmbH | Apparatus for testing water pipes for contamination |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406210A (en) * | 2018-11-12 | 2019-03-01 | 苏州市职业大学 | A kind of water quality detection system and its control method based on NB-IoT |
| CN109725366A (en) * | 2018-11-23 | 2019-05-07 | 北京建筑大学 | The localization method and system of rainwater plugging point |
| CN112099459A (en) * | 2020-10-20 | 2020-12-18 | 万体物联信息科技(无锡)有限公司 | Operation monitoring system and method for rainwater and sewage pipe network |
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| Publication number | Publication date |
|---|---|
| CN108397689B (en) | 2023-08-25 |
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