CN109085318A - A kind of urban duct drinking water quality monitoring anticorrosion lucite tube - Google Patents
A kind of urban duct drinking water quality monitoring anticorrosion lucite tube Download PDFInfo
- Publication number
- CN109085318A CN109085318A CN201811056893.6A CN201811056893A CN109085318A CN 109085318 A CN109085318 A CN 109085318A CN 201811056893 A CN201811056893 A CN 201811056893A CN 109085318 A CN109085318 A CN 109085318A
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- Prior art keywords
- monitoring
- monitoring pipe
- water quality
- pipe
- anticorrosion
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Classifications
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses a kind of urban duct drinking water quality monitoring anticorrosion lucite tubes, including the first monitoring pipe that quantity is two, second monitoring pipe and pipeline body, it is characterized by: the second monitoring pipe is connected to the first monitoring pipe, the first monitoring pipe is connected to pipeline body, the bottom of the second monitoring pipe is fixedly connected with sealing shroud, the sealing shroud is connect with the first monitoring pipe screw thread, the phase back side of two the first monitoring pipes is provided with PH automatic analyzer, the probe of the PH automatic analyzer manages through the first monitoring and extends to the inside of the first monitoring pipe.The present invention can effectively monitor pipeline drinking water, solve existing detection mode mostly and be periodically, fixed point sampled, then sample relevant departments are taken to chemically examine, process is relatively complicated, and real-time monitoring can not be carried out to water quality, drinking water safety cannot ensure, drink and there are problems that security risk.
Description
Technical field
The present invention relates to drinking water safety monitoring technical field, specially a kind of urban duct drinking water quality monitoring is used anti-
Corrode lucite tube.
Background technique
Water is Source of life, and safe drinking water problem is directly related to the health of broad masses of the people, and present people are very
Pay close attention to food safety, but have ignored the safety of water, in fact, drinking-water safety and food safety it is of equal importance, China with
The quickening of urbanization process, drinking water source safety surface near water matter constantly deteriorate, security protection system and safeguard it is weak
And the problems such as underground water pollution.
Water is that the people institute that survives is indispensable, water it is clean whether directly will affect the health of people, currently, water
Resource pollution status is serious, and wherein the pollution of surface water, underground water causes social extensive concern, drinking water in display life
Conveying is conveyed using pipeline mostly, and in pipeline tap water transmission process, water quality monitoring is mostly periodically, pinpoints progress
Sampling, then takes relevant departments for sample and chemically examines, and the effect of real-time monitoring is not achieved, drinking water safety cannot be protected
Barrier, drinks that there are security risks.
Summary of the invention
The purpose of the present invention is to provide a kind of urban duct drinking water quality monitoring anticorrosion lucite tubes, with solution
It is certainly mentioned above in the background art in pipeline tap water transmission process, water quality monitoring be mostly periodically, fixed point sampled,
Then sample is taken relevant departments to chemically examine, and the effect of real-time monitoring is not achieved, drinking water safety cannot ensure, drink
With there is security risk.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of urban duct drinking water quality monitors
With anticorrosion lucite tube, exist including the first monitoring pipe, the second monitoring pipe and pipeline body, feature that quantity is two
In: the second monitoring pipe is connected to the first monitoring pipe, and the first monitoring pipe is connected to pipeline body, the second monitoring pipe
Bottom be fixedly connected with sealing shroud, the sealing shroud connect with the first monitoring pipe screw thread, and two described first monitor the phase of pipe
Back side is provided with PH automatic analyzer, and the probe of the PH automatic analyzer manages through the first monitoring and extends to the first monitoring
The inside of pipe, the side of the second monitoring pipe are provided with temperature sensor, and the temperature sensor is managed simultaneously through the second monitoring
The inside of the second monitoring pipe is extended to, the surface activity of the second monitoring pipe is arranged with a point water card, the top for dividing water card
It is fixedly connected with ultrasonic wave pipeline flowmeter, water intake valve is provided at the top of the second monitoring pipe, the second monitoring pipe
Top is equipped with turbidity water quality automatic analyzer, and the probe of the turbidity water quality automatic analyzer extends to the interior of the second monitoring pipe
Portion, the top movable of the pipeline body are connected with protecting crust, and the first monitoring pipe and the second monitoring pipe are respectively positioned on protecting crust
Inside, be fixedly connected with electric-controlled box at the top of the protecting crust, the inside of the electric-controlled box is fixedly installed with central controller,
The input terminal of the central controller is electrically connected the output end of A/D converter, and the input terminal of the A/D converter is electrical respectively
The output end of PH automatic analyzer, ultrasonic wave pipeline flowmeter, temperature sensor and turbidity water quality automatic analyzer is connected, it is described
Central processing unit with ROM preset module is two-way is electrically connected, the output end of the ROM preset module is electrically connected data comparator
Input terminal, the data comparator with central processing unit is two-way is electrically connected, be fixedly installed with signal at the top of the electric-controlled box and connect
Receive device, the central processing unit with signal receiver is two-way is electrically connected, the signal receiver passes through the connection of 4G net two-way signaling
There is remote terminal, is provided with alarm module at the top of the electric-controlled box, the output end of the central controller and alarm module
Input terminal electrical connection.
Preferably, the first monitoring pipe and the second monitoring pipe are anticorrosion organic glass material.
Preferably, the inner wall of the sealing shroud is fixedly connected with sealing ring, and the sealing ring and the first monitoring pipe activity connect
It connects.
Preferably, the junction of the probe of the PH automatic analyzer and the first monitoring pipe is provided with O-ring.
Preferably, sleeve, the first monitoring pipe and tightening external threading are fixedly connected at the top of the pipeline body
Connection, the inner wall of the sleeve are provided with gasket.
Preferably, the remote terminal is one in the mobile device with transmission-receiving function, concretely mobile phone or computer
Kind.
Preferably, the alarm module includes loudspeaker and indicator light, and the indicator light includes red light and green light.
Preferably, the inside of the electric-controlled box is fixedly installed with battery, and it is aobvious that touch is provided at the top of the electric-controlled box
Display screen, the touch display screen are electrically connected with central controller.
Preferably, the electric-controlled box is internally provided with insulating layer.
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention is managed by two first monitorings of setting and managed with the second monitoring, the first monitoring pipe and second is made to monitor pipe jointly
Constitute it is U-shaped, thus make by first monitoring pipe connect with pipeline body when, first monitoring manage second monitor pipe between forms water flow
It is logical, when being detected to pipeline tap water, directly the water flow inside the first monitoring pipe and the second monitoring pipe is detected, PH from
Under the common cooperation for moving analyzer, temperature sensor, turbidity water quality automatic analyzer and ultrasonic wave pipeline flowmeter, it can facilitate
The pH value of drinking water, temperature, turbidity and flow velocity are monitored, without reusing instrument after being sampled water to it
It is analyzed, facilitates and more quickly analysis is carried out to pipeline tap water, it is regular, fixed for solving existing detection mode mostly
Point is sampled, and sample is then taken relevant departments and is chemically examined, the relatively complicated problem of process.
2. passing through PH automatic analyzer, temperature sensor, turbidity water quality automatic analyzer and ultrasonic wave pipeline flowmeter
Under common monitoring, under the processing of A/D converter, real-time pH value, temperature, turbidity and flow velocity are passed into central control
Device, the data of real-time measurement are compared by data comparator with the preset normal range (NR) of ROM preset module at this time, if real
When all data that measures in default range, then it represents that drinking water, which meets, drinks requirement, if all data of real-time measurement
In deposit when abnormal, water quality exception information is passed to alarm module by central controller at this time, at this time alarm module issue alarm
Signal facilitates public affairs to make personnel and notes abnormalities in time, and exception information can be transmitted to remote terminal by signal receiver, facilitate work
Make personnel and it is handled in time, pipeline tap water progress real-time monitoring can not be asked by solving sample detecting drinking water
Topic, avoids drinking and abnormality processing occurs not in time with water, causes abnormal water source to convey on a large scale, influences the life security of drinking person
The phenomenon that occur.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the perspective view that the present invention first monitors pipe；
Fig. 3 is the cross-sectional view that the present invention first monitors pipe；
Fig. 4 is the structural schematic diagram of electric-controlled box of the present invention；
Fig. 5 is the enlarged drawing in Fig. 3 of the present invention at A；
Fig. 6 is system flow chart of the invention.
In figure: 1 first monitoring pipe, 2 second monitoring pipes, 3 sealing shrouds, 4 sealing rings, 5 PH automatic analyzers, 6 pipeline sheets
Body, 7 temperature sensors, 8 points of water cards, 9 ultrasonic wave pipeline flowmeters, 10 water intake valves, 11 turbidity water quality automatic analyzers, 12 protection
Shell, 13 electric-controlled boxes, 14 central controllers, 15 A/D converters, 16 ROM preset modules, 17 data comparators, 18 signals receive
Device, 19 remote terminals, 20 alarm modules, 201 loudspeakers, 202 indicator lights, 2021 red lights, 2022 green lights, 21 batteries, 22 touchings
Touch display screen, 23 insulating layers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Fig. 1-6 is please referred to, a kind of urban duct drinking water quality monitoring anticorrosion lucite tube is present embodiments provided, is wrapped
It includes the first monitoring pipe 1, second that quantity is two and monitors pipe 2 and pipeline body 6, it is characterised in that: the second monitoring pipe 2 and first
It monitors pipe 2 to be connected to, the first monitoring pipe 1 is connected to pipeline body 6, and the bottom of the second monitoring pipe 2 is fixedly connected with sealing shroud 3, close
Big envelope 3 is threadedly coupled with the first monitoring pipe 1, and the phase back side of two first monitoring pipes 1 is provided with PH automatic analyzer 5, and PH is certainly
The probe of dynamic analyzer 5 runs through the first monitoring pipe 1 and extends to the inside of the first monitoring pipe 1, the side setting of the second monitoring pipe 2
There is temperature sensor 7, temperature sensor 7 runs through the second monitoring pipe 2 and extends to the inside of the second monitoring pipe 2, the second monitoring pipe 2
Surface activity be arranged with a point water card 8, divide the top of water card 8 to be fixedly connected with ultrasonic wave pipeline flowmeter 9, the second monitoring pipe 2
Top be provided with water intake valve 10, the top of the second monitoring pipe 2 is equipped with turbidity water quality automatic analyzer 11, and turbidity water quality is automatic
The probe of analyzer 11 extends to the inside of the second monitoring pipe 2, and the top movable of pipeline body 6 is connected with protecting crust 12, and first
Monitoring pipe 1 and the second monitoring pipe 2 are respectively positioned on the inside of protecting crust 12, and the top of protecting crust 12 is fixedly connected with electric-controlled box 13, electricity
The inside of control box 13 is fixedly installed with central controller 14, and the input terminal of central controller 14 is electrically connected A/D converter 15
Output end, the input terminal of A/D converter 15 are electrically connected PH automatic analyzer 5, ultrasonic wave pipeline flowmeter 9, temperature and pass
The output end of sensor 7 and turbidity water quality automatic analyzer 11, central processing unit 14 with ROM preset module 16 is two-way is electrically connected, ROM
The output end of preset module 16 is electrically connected the input terminal of data comparator 17, and data comparator 17 and central processing unit 14 are two-way
Electrical connection, the top of electric-controlled box 13 are fixedly installed with signal receiver 18, central processing unit 14 and the two-way electricity of signal receiver 18
Connection, signal receiver 18 are connected with remote terminal 19 by 4G net two-way signaling, and the top of electric-controlled box 13 is provided with alarm mould
The output end of block 20, central controller 14 is electrically connected with the input terminal of alarm module 20.
In the present embodiment, by two first monitoring pipes 1 of setting and the second monitoring pipe 2, make the first monitoring pipe 1 and the second prison
Test tube 2 collectively form it is U-shaped, thus make by first monitoring pipe 1 connect with pipeline body 6 when, first monitoring pipe 1 and second monitor manage
It is logical that water flow is formed between 2, when detecting to pipeline tap water, directly to the water flow inside the first monitoring pipe 1 and the second monitoring pipe 2
It is detected, in PH automatic analyzer 5, temperature sensor 7, turbidity water quality automatic analyzer 11 and ultrasonic wave pipeline flowmeter 9
It is common cooperation under, easily the pH value of drinking water, temperature, turbidity and flow velocity can be monitored, preferable PH from
The model CHK-111 of dynamic analyzer 5, the model LM135 of temperature sensor 7, the model of turbidity water quality automatic analyzer 11
For WGZ-200C, the model HD-100H of ultrasonic wave pipeline flowmeter 9, and divide water card 8 can be by ultrasonic wave pipeline flowmeter 9
It is mounted on the surface of the second monitoring pipe 2, and is convenient for disassembly, it is divided without reusing instrument after being sampled water
Analysis is facilitated to pipeline tap water progress more quickly analysis, and solving existing detection mode mostly is regular, fixed point progress
Sampling, then takes relevant departments for sample and chemically examines, the relatively complicated problem of process passes through PH automatic analyzer 5, temperature
Under the common monitoring of sensor 7, turbidity water quality automatic analyzer 11 and ultrasonic wave pipeline flowmeter 9, at the place of A/D converter 15
Under reason, real-time pH value, temperature, turbidity and flow velocity are passed into central controller 14, data comparator 17 will be real at this time
When the data that measure be compared with the preset normal range (NR) of ROM preset module 16, if all data of real-time measurement exists
In default range, then it represents that drinking water, which meets, drinks requirement, if being deposited in all data of real-time measurement when abnormal, at this time in
Entreat controller 14 that water quality exception information is passed to alarm module 20, alarm module 20 issues alarm signal at this time, facilitates public work
Personnel note abnormalities in time, and exception information can be transmitted to remote terminal 19 by signal receiver 18, facilitate staff couple
It is handled in time, the model 350432-1 of preferable signal receiver 18, and when water quality occurs abnormal, staff can
Abnormal water is taken out from the second monitoring pipe 2 by water intake valve 10, is used as depth analysis water quality abnormal cause and uses, solve sampling
The problem of drinking water can not carry out real-time monitoring to pipeline tap water is detected, avoids drinking and abnormality processing occurs not in time with water,
The phenomenon that causing abnormal water source to convey on a large scale, influencing the life security of drinking person generation.
Embodiment 2
Please refer to Fig. 1-5, be further improved on the basis of embodiment 1: the first monitoring pipe 1 and the second monitoring pipe 2 are
Anticorrosion organic glass material can make the use longevity of the first monitoring pipe 1 and the second monitoring pipe 2 using anticorrosion organic glass material
Order it is longer, and first monitoring pipe 1 and second monitoring pipe 2 be it is detachable, it is more convenient that replacement, sealing shroud are repaired to it
3 inner wall is fixedly connected with sealing ring 4, and sealing ring 4 is flexibly connected with the first monitoring pipe 1, and sealing ring 4 can effectively prevent first
It has water leakage between monitoring pipe 1 and the second monitoring pipe 2.
Wherein, the junction of the probe of PH automatic analyzer 5 and the first monitoring pipe 1 is provided with O-ring, prevents PH from dividing automatically
The probe of analyzer 5 seeps water with the first monitoring 1 junction of pipe, makes the better tightness of whole device, the top of pipeline body 6
It is fixedly connected with sleeve, the first monitoring pipe 1 is threadedly coupled with sleeve, and the inner wall of sleeve is provided with gasket, makes first
The better tightness between pipe 1 and pipeline body 6 is monitored, water is avoided to ooze out from junction.
Embodiment 3
Please refer to Fig. 1-5, be further improved on the basis of embodiment 1: remote terminal 19 is the shifting with transmission-receiving function
Dynamic equipment, concretely mobile phone or computer can be used directly to central controller 14 in one of mobile phone or computer, staff
It is controlled, can also remotely modify to data default, not need to scene to be debugged, reduce the physical strength of staff
Consumption, alarm module 20 include loudspeaker 201 and indicator light 202, and indicator light 202 includes red light 2021 and green light 2022,
When water quality is normal, green light 2022 light always, when water quality occurs abnormal, green light 2022 is knocked out, and red light 2021 flashes, simultaneously
Loudspeaker 201 can issue alarm, to make staff timely find that water quality goes wrong, to deal in time.
Wherein the inside of electric-controlled box 13 is fixedly installed with battery 21, and the top of electric-controlled box 13 is provided with touch display screen
22, touch display screen 22 is electrically connected with central controller 14, and battery 21 plays the role of providing power source for whole device,
And battery 21 is rechargeable type, when being debugged, staff can also be carried out data by 22 scene of touch display screen
Debugging facilitates staff's operation, and electric-controlled box 13 is internally provided with insulating layer 23, and insulating layer 23 can reduce ambient temperature change
Change the influence to the first monitoring pipe 1 and the second monitoring 2 internal water of pipe, external environment variation is avoided to influence monitoring result.
In description of the invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or
Person's positional relationship is orientation based on the figure or positional relationship, is merely for convenience of description of the present invention and simplification of the description,
Rather than the device or element of instruction or hint meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.
In description of the invention, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, and be also possible to be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of urban duct drinking water quality monitoring anticorrosion lucite tube, including the first monitoring pipe that quantity is two
(1), the second monitoring pipe (2) and pipeline body (6), it is characterised in that: the second monitoring pipe (2) and the first monitoring pipe (2) are even
Logical, the first monitoring pipe (1) is connected to pipeline body (6), and the bottom of the second monitoring pipe (2) is fixedly connected with sealing shroud
(3), the sealing shroud (3) is threadedly coupled with the first monitoring pipe (1), and the phase back side of two first monitoring pipes (1) is respectively provided with
Have PH automatic analyzer (5), the probe of the PH automatic analyzer (5) through the first monitoring pipe (1) and extends to the first monitoring
The inside of (1) is managed, the side of the second monitoring pipe (2) is provided with temperature sensor (7), and the temperature sensor (7) is run through
Second monitoring pipe (2) simultaneously extends to the inside of the second monitoring pipe (2), and the surface activity of the second monitoring pipe (2) is arranged with point
Water card (8), it is described divide at the top of water card (8) be fixedly connected with ultrasonic wave pipeline flowmeter (9), the second monitoring pipe (2)
Top is provided with water intake valve (10), is equipped with turbidity water quality automatic analyzer (11) at the top of the second monitoring pipe (2), described
The probe of turbidity water quality automatic analyzer (11) extends to the inside of the second monitoring pipe (2), and the top of the pipeline body (6) is living
Dynamic to be connected with protecting crust (12), the inside that (2) are respectively positioned on protecting crust (12), institute are managed in the first monitoring pipe (1) and the second monitoring
It states and is fixedly connected at the top of protecting crust (12) electric-controlled box (13), the inside of the electric-controlled box (13) is fixedly installed with central control
Device (14), the input terminal of the central controller (14) are electrically connected the output end of A/D converter (15), the A/D converter
(15) PH automatic analyzer (5), ultrasonic wave pipeline flowmeter (9), temperature sensor (7) and turbid is electrically connected in input terminal
Spend the output end of water quality automatic analyzer (11), the central processing unit (14) with ROM preset module (16) is two-way is electrically connected, institute
State ROM preset module (16) output end be electrically connected data comparator (17) input terminal, the data comparator (17) with
Central processing unit (14) two-way electrical connection is fixedly installed with signal receiver (18) at the top of the electric-controlled box (13), it is described in
Central processor (14) with signal receiver (18) is two-way is electrically connected, the signal receiver (18) passes through 4G net two-way signaling and connects
Have remote terminal (19), be provided with alarm module (20) at the top of the electric-controlled box (13), the central controller (14) it is defeated
Outlet is electrically connected with the input terminal of alarm module (20).
2. a kind of urban duct drinking water quality monitoring anticorrosion lucite tube according to claim 1, feature
Be: it is anticorrosion organic glass material that (1) and the second monitoring pipe (2) are managed in first monitoring.
3. a kind of urban duct drinking water quality monitoring anticorrosion lucite tube according to claim 1, feature
Be: the inner wall of the sealing shroud (3) is fixedly connected with sealing ring (4), the sealing ring (4) and the first monitoring pipe (1) activity
Connection.
4. a kind of urban duct drinking water quality monitoring anticorrosion lucite tube according to claim 1, feature
Be: the junction of the probe of the PH automatic analyzer (5) and the first monitoring pipe (1) is provided with O-ring.
5. a kind of urban duct drinking water quality monitoring anticorrosion lucite tube according to claim 1, feature
It is: is fixedly connected with sleeve at the top of the pipeline body (6), the first monitoring pipe (1) is threadedly coupled with sleeve,
The inner wall of the sleeve is provided with gasket.
6. a kind of urban duct drinking water quality monitoring anticorrosion lucite tube according to claim 1, feature
Be: the remote terminal (19) is the mobile device with transmission-receiving function, concretely one of mobile phone or computer.
7. a kind of urban duct drinking water quality monitoring anticorrosion lucite tube according to claim 1, feature
Be: the alarm module (20) includes loudspeaker (201) and indicator light (202), and the indicator light (202) includes red light
(2021) and green light (2022).
8. a kind of urban duct drinking water quality monitoring anticorrosion lucite tube according to claim 1, feature
Be: the inside of the electric-controlled box (13) is fixedly installed with battery (21), is provided with touch at the top of the electric-controlled box (13)
Display screen (22), the touch display screen (22) are electrically connected with central controller (14).
9. a kind of urban duct drinking water quality monitoring anticorrosion lucite tube according to claim 1, the electricity
Control box (13) is internally provided with insulating layer (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056893.6A CN109085318A (en) | 2018-09-11 | 2018-09-11 | A kind of urban duct drinking water quality monitoring anticorrosion lucite tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056893.6A CN109085318A (en) | 2018-09-11 | 2018-09-11 | A kind of urban duct drinking water quality monitoring anticorrosion lucite tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109085318A true CN109085318A (en) | 2018-12-25 |
Family
ID=64841174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811056893.6A Pending CN109085318A (en) | 2018-09-11 | 2018-09-11 | A kind of urban duct drinking water quality monitoring anticorrosion lucite tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN109085318A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730775A (en) * | 2020-12-16 | 2021-04-30 | 赵丹 | Intelligent water supply monitoring device |
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Application publication date: 20181225 |
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