CN108978727A - A kind of Multifunctional well cover - Google Patents
A kind of Multifunctional well cover Download PDFInfo
- Publication number
- CN108978727A CN108978727A CN201811195503.3A CN201811195503A CN108978727A CN 108978727 A CN108978727 A CN 108978727A CN 201811195503 A CN201811195503 A CN 201811195503A CN 108978727 A CN108978727 A CN 108978727A
- Authority
- CN
- China
- Prior art keywords
- data acquisition
- acquisition device
- cover body
- liquid
- manhole cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Abstract
The invention discloses a kind of Multifunctional well covers, it includes manhole cover body, the manhole cover body is equipped with the pressure relief device for pressure release draining, the bottom of the well lid is equipped with the liquid data acquisition device for detecting the environment data acquisition device of the gas parameter below the well lid and for detecting the liquid parameter below the well lid, and the Multifunctional well cover further includes the detection data for receiving the environment data acquisition device and the liquid data acquisition device and the data are sent to the wireless communication device of external server.In the present invention; the bottom of manhole cover body is equipped with environment data acquisition device and liquid data acquisition device; it is monitored for the data to gaseous environment and liquid below well lid; and it can device be sent in external server by wireless communication by monitoring result; in order to which staff understands the air environment below well lid in real time, the personal safety for the personnel of going into the well can also be further protected.
Description
Technical field
The present invention relates to the technical fields of municipal pipeline, in particular to a kind of Multifunctional well cover.
Background technique
With the development of the city, underground pipe network becomes increasingly complex, and maintenance and maintenance difficulties are very big.Due to being embedded in underground, very
Difficulty monitors it in advance, could often find after pipeline breaking, to cause serious loss, or even causes serious people
Member casualty accident, pipeline in convey be severe toxicity or radiating medium, if these pipelines crack, leak hole will cause Jie
Matter leakage, causes accident that disaster even occurs.
Traditional underground piping well lid cannot detect the air regime in above-mentioned gas leakage and pipeline in advance, also with regard to nothing
Method provides related data in pipeline in real time.
Summary of the invention
In view of this, its object is to improve well lid to the ring of underground piping the invention proposes a kind of Multifunctional well cover
The monitoring in border.
Specifically, the invention proposes embodiments in detail below:
A kind of Multifunctional well cover comprising manhole cover body, the manhole cover body are equipped with the pressure relief device for pressure release draining,
The bottom of the well lid is equipped with for detecting the environment data acquisition device of the gas parameter below the well lid and for detecting
The liquid data acquisition device of liquid parameter below the well lid, the Multifunctional well cover further include for receiving the environment
The detection data of data acquisition device and the liquid data acquisition device and the nothing that the data are sent to external server
Line communication device.
Further, in the present invention, the top of the manhole cover body is equipped with solar charging panel, the solar recharging
Plate is for being powered environment data acquisition device, the liquid data acquisition device and the wireless communication device.
Further, in the present invention, the solar charging panel is multiple.
Further, in the present invention, the pressure relief device is overflow valve, and the overflow valve receives the wireless communication dress
The control signal set.
Further, in the present invention, the pressure relief device is set to the middle part of the manhole cover body.
Further, in the present invention, the environment data acquisition device is hydrogen sulfide detector.
Further, in the present invention, the liquid data acquisition device is flow detector.
Further, in the present invention, the bottom of the manhole cover body is equipped with for accommodating environment data acquisition device, institute
State the Multifunctional cabin of liquid data acquisition device and the wireless communication device.
Further, in the present invention, the manhole cover body is cylindrical.
Further, in the present invention, the Multifunctional cabin is equipped with step clamping groove.
A kind of Multifunctional well cover of the invention comprising manhole cover body, the manhole cover body are equipped with for pressure release draining
Pressure relief device, the bottom of the well lid be equipped with environment data acquisition device for detecting the gas parameter below the well lid and
For detecting the liquid data acquisition device of the liquid parameter below the well lid, the Multifunctional well cover further includes for receiving
The data are simultaneously sent to external clothes by the detection data of the environment data acquisition device and the liquid data acquisition device
The wireless communication device of business device.In the present invention, the bottom of manhole cover body is equipped with environment data acquisition device and liquid data is adopted
Acquisition means are monitored for the data to gaseous environment and liquid below well lid, and monitoring result can be passed through wireless
Communication device is sent in external server, can be in order to which staff understands the air environment below well lid in real time
Further protect the personal safety for the personnel that go into the well.
In conclusion the structure that the present invention is special, has the advantages that above-mentioned many and practical value, and in similar product
In there are no similar method and publish or use and really belong to innovation, produce handy and practical effect, more existing skill
Art has effects that the multinomial of enhancement, thus more suitable for practical, and there is extensive industrial value.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of a kind of structural schematic diagram of Multifunctional well cover of the invention；
Fig. 2 is a kind of a kind of structural schematic diagram of Multifunctional well cover of the invention.
Drawing reference numeral explanation:
100- Multifunctional well cover；
10- manhole cover body；
11- pressure relief device；
12- environment data acquisition device；
13- Multifunctional cabin；
14- solar charging panel；
15- step clamping groove；
16- liquid data acquisition device；
20- wireless communication device.
Specific embodiment
To facilitate the understanding of the present invention, a kind of Multifunctional well cover tool is more fully retouched below with reference to relevant drawings
It states.A kind of embodiment of Multifunctional well cover is given in attached drawing.But a kind of Multifunctional well cover can be in many different forms
To realize, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to a kind of multi-functional
The disclosure of well lid is more thorough and comprehensive.
Hereinafter, various embodiments of the present invention will be described more fully.The present invention can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that: there is no various embodiments of the present invention are limited to spy disclosed herein
Determine the intention of embodiment, but should invention is construed as cover in the spirit and scope for falling into various embodiments of the present invention
All adjustment, equivalent and/or optinal plan.
Hereinafter, disclosed in the term " includes " that can be used in various embodiments of the present invention or " may include " instruction
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing
Used in various embodiments of the present invention, term " includes ", " having " and its cognate are meant only to indicate special characteristic, number
Word, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude first one or more other
Feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more features, number,
Step, operation, element, component or aforementioned item combination a possibility that.
In various embodiments of the present invention, statement " A or/and B " includes any combination or the institute of the text listed file names with
There is combination, such as, it may include A, it may include B or may include A and B both.
The statement (" first ", " second " etc.) used in various embodiments of the present invention can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, the above statement is not intended to limit the suitable of the element
Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, the first user fills
It sets and indicates different user device with second user device, although the two is all user apparatus.For example, of the invention each not departing from
In the case where the range of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first
Element.
It should also be noted that in the present invention, unless otherwise specific regulation and definition, the arts such as " installation ", " connection ", " fixation "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection or being integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be and be directly connected to, and can be indirectly connected through an intermediary；It can be two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In the present invention, those skilled in the art are it is to be appreciated that indicating position or positional relationship in text
Term be orientation based on the figure or positional relationship, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
The term used in various embodiments of the present invention is used only for the purpose of describing specific embodiments and not anticipates
In limitation various embodiments of the present invention.Unless otherwise defined, otherwise all terms used herein (including technical term and
Scientific term) there is contain identical with the normally understood meaning of various embodiments of the present invention one skilled in the art
Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field
The identical meaning of situational meaning and Utopian meaning or meaning too formal will be interpreted as having, unless this
It is clearly defined in the various embodiments of invention.
Embodiment
Please refer to Fig. 1-2.
A kind of Multifunctional well cover 100 comprising manhole cover body 10, the manhole cover body 10 are equipped with letting out for pressure release draining
Pressure device 11, the bottom of the manhole cover body 10 are equipped with the environment number of the gas parameter for detecting 10 lower section of manhole cover body
The liquid data acquisition device of liquid parameter according to acquisition device and for detecting 10 lower section of manhole cover body, it is described multi-functional
Well lid further includes for receiving the detection data of the environment data acquisition device 12 and the liquid data acquisition device 16 simultaneously
The data are sent to the wireless communication device 20 of external server.
Above-mentioned, the bottom of manhole cover body 10 is equipped with environment data acquisition device 12, since manhole cover body 10 is installed on underground
On pipeline, municipal sewer pipe, therefore the environment data acquisition device 12 for being installed on the bottom of manhole cover body 10 can be main right
Gaseous environment in pipeline is monitored, appearance the case where to have discovered whether gas leakage in time.
Municipal sewer pipe has also been laid with many gas transmission pipeline net works in addition to for draining usually.And sewer pipe is due to dirt
The siltation of mud, which also accommodates, generates carbon dioxide or biogas etc., rashly lower to pipe in the uncomprehending situation of situation in pipeline
Road is easy to impact the personal safety of staff.And it is installed on the environment data acquisition device of 10 lower section of manhole cover body
12 can timely feedback the air conditions in pipeline, and staff is allowed to understand the air conditions in pipeline in advance.Specifically, environment
Data acquisition device 12 detects content, the concentration of various data etc. in pipeline.
In addition, the bottom of Multifunctional well cover 100 is also provided with liquid data acquisition device 16, liquid data acquisition device
16 pairs of liquid for flowing through 10 lower section of manhole cover body detect, and specifically, can detecte the flow velocity, flow, liquid level, water quality of liquid
Etc., in order to be adopted to the liquid data flowed through below manhole cover body 10 in the case where being not switched on manhole cover body 10
Collection.
Further, environment data acquisition device 12 and liquid data acquisition device 16 can will monitor that data pass through nothing
Line communication device 20 is sent in external server, in order to the air environment below staff's real-time reception well lid.Tool
Body, environment data acquisition device 12 can by bluetooth, 2G 3G the wireless communication devices 20 such as 4G data information sent out in real time
It send to external server.
In the present embodiment, the top of the manhole cover body 10 is equipped with solar charging panel 14, the solar charging panel
14 for supplying the environment data acquisition device 12, liquid data acquisition device 16 and the wireless communication device 20
Electricity.
Solar charging panel 14 above-mentioned, that the top of manhole cover body 10 is equipped with, the electric energy that solar charging panel 14 generates can
To be first stored in battery, then by the battery to environment data acquisition device 12, liquid data acquisition device 16 and nothing
Line communication device 20 is powered, with guarantee environment data acquisition device 12, liquid data acquisition device 16 and wireless communication dress
Set 20 non-stop run.
In the present embodiment, the solar charging panel 14 is multiple.
Above-mentioned, solar charging panel 14 can be to be multiple, and the shape of solar charging panel 14 can be annular shape.
In the present embodiment, the pressure relief device 11 is overflow valve, and the overflow valve receives the wireless communication device 20
Control signal.
Above-mentioned, the ponding on road surface can be emitted into sewer pipe by pressure relief device 11, can also will be under manhole cover body 10
The spilling water discharge of side, the high concentrations of gas in pipeline or the liquid overflowed can also be discharged.And in the present embodiment, overflow valve
It is communicated to connect with wireless communication device 20, can receive the control signal of the transmission of wireless communication device 20, and believe according to control
Number execute corresponding operating.For example, external communication terminal, which is sent, opens the control signal of pressure relief device 11 to wireless communication device
20, wireless communication device 20 transmits the signal to overflow valve again, after overflow valve receives the signal, executes and opens the dynamic of valve
Make.So as to remotely realize that fixed point opens the operation of the pressure relief device 11 of corresponding Multifunctional well cover 100.Wireless communication device
20 can be bluetooth, 2G 3G 4G etc..
In the present embodiment, the pressure relief device 11 is set to the middle part of the manhole cover body 10.
In the present embodiment, the liquid data acquisition device 16 is flow detector.
Above-mentioned, liquid data acquisition device 16 can be flow detector, and flow monitor is used under manhole cover body 10
The fluid of side carries out flow monitoring, and device 20 is sent to external server by wireless communication by the data of monitoring.Water flow
Meter is made of sensor and converter two parts.In addition to the volume flow that can measure general conducting liquid, it may also be used for measurement is strong
The volume flow of the uniform liquid-solid two-phase suspension liquid such as the deep-etchings such as sour highly basic liquid and mud, ore pulp, paper pulp.
Fluid flowmeter is to be manufactured according to karman vortex principle for measuring liquid in sealing pipeline, gas, steam flow
Precision instrument detects in vivo, not measured medium since detecting element is sealed in, and internal without movable member, live without carrying out
Maintenance, therefore the deep high praise by users are widely used in textile printing and dyeing, petroleum, chemical industry, metallurgical pharmacy, thermoelectricity, papermaking,
The management through quantification and process control of fire-fighting industry have the power supply of band scene display 3.6V battery and outer power supply source and output 4-20mA；
Teletransmission, which is shown, can match secondary meter liquid crystal Chinese display, while can be with temperature pressure compensation.
In addition, in the present embodiment, liquid data acquisition device 16 can also include leve monitor, and leve monitor is again
Claiming liquid level sensor (static pressure liquid level meter/fluid level transmitter/liquid level sensor/water level sensor) is a kind of pressure for measuring liquid level
Sensor.Static pressure throw-in type liquid transmitter (liquidometer) is the original proportional to the height of the liquid based on surveyed fluid pressure
Reason spreads silicon-sensitive element or ceramic capacitive pressure sensitive sensor using isolated form, static pressure is converted to electric signal, using
Temperature-compensating and linear amendment, are converted to standard electric signal.Leve monitor is used to carry out below manhole cover body 11 liquid level
Monitoring, and device 20 is sent to external server by wireless communication by the data of monitoring.
Static pressure throw-in type liquid transmitter (liquidometer) is suitable for petrochemical industry, metallurgy, electric power, pharmacy, water supply and sewage, environmental protection
Etc. the various media of systems and industry level gauging.Exquisite structure, simple adjustment and flexible mounting means are user
Easily using providing convenience.
Liquid level is measured using hydrostatic principle, is an important application of pressure sensor.Using extraordinary centre
Cable and special sealing technique with airway, not only ensure that the watertightness of sensor, but make reference pressure chamber with
Environmental pressure communicates, to ensure that the high-precision and high stability of measurement.
In addition, the liquid data acquisition device 16 of the present embodiment can also include flow velocity, Water quality detector etc., that is to say,
Liquid data acquisition device 16 can include a variety of detectors to detect liquid all data simultaneously.
In the present embodiment, the environment data acquisition device 12 is hydrogen sulfide detector.
Above-mentioned, hydrogen sulfide detector can be used for detecting the concentration of hydrogen sulfide situation of the air of 10 lower section of manhole cover body.Sulphur
Existing low, high, TWA the and STEL gas alarm of pernicious gas can clearly be shown by changing hydrogen detector, be recorded
TWA, STEL and peak value can be shown according to instruction.Hydrogen sulfide detector has data record and multilingual support also for choosing
It selects.Detector with data recording function is equipped with built-in infrared communication port, and data can be automatically transferred to calculating
In machine or MicroDockll Docking station module, it is not necessarily to wiring.Portable hydrogen sulfide detector trouble-freely operates, durable,
It and is to use cheapest product in current single environment data acquisition devices 12 all in the market.
In addition, in the present embodiment, environment data acquisition device 12 can also include that carbon monoxide detector or methane are examined
Survey device.
Above-mentioned, carbon monoxide detector can be used for detecting the carbonomonoxide concentration feelings of the air of 10 lower section of manhole cover body
Condition.Carbon monoxide detector can be with the gas detecting instrument of a variety of gas with various sensors of flexible configuration.Instrument can be detected continuously
Toxic gas, oxygen, flammable explosive gas concentration observe existing gas concentration value at any time.It is widely used in petroleum, chemical industry, coal mine,
The industries such as metallurgy, papermaking, fire-fighting, municipal administration, telecommunications, food, weaving.
Methane detector can be used for detecting the methane concentration situation of the air of 10 lower section of manhole cover body.Methane detector is
Newly developed a new generation's combustible gas detector, using high-performance catalytic combustion type sensor.Methane detector is intended to protect
Human life's safety, detection are exposed to the concentration of hazardous gas in extreme environment；The instrument can use in such as desert or the arctic
It encloses in this kind of changeable abnormal climatic environment.Methane detector can be used for petrochemical industry, environmental accident, methane, liquefied petroleum gas,
The industries such as coal gas detect various combustible gases.It include: alkane, liquefied petroleum gas, methane, hydrogen etc..
Environment data acquisition device 12 can also include the detector for detecting the concentration of other gases, therefore, environment
Data acquisition device 12 can include multiple gases detector simultaneously.
In the present embodiment, the bottom of the manhole cover body 10 be equipped with for accommodate the environment data acquisition device 12 and
The Multifunctional cabin 13 of the wireless communication device 20.
Above-mentioned, environment data acquisition device 12, liquid data acquisition device 16 and wireless communication device 20 are long in order to prevent
Phase is corroded in the duct, therefore the bottom of manhole cover body 10 is equipped with for accommodating environment data acquisition device 12 and channel radio
The Multifunctional cabin 13 of T unit 20.Multifunctional cabin 13 is not the cabin of sealing, and the bottom of Multifunctional cabin 13, which can be equipped with, enables environment
The exposed hole of the detection probe of data acquisition device 12.Further, multi-functional when environment data acquisition device 12 is multiple
The bottom in cabin 13 can be equipped with the hole equal with the quantity of environment data acquisition device 12.
In the present embodiment, the manhole cover body 10 is cylindrical.
Above-mentioned, manhole cover body 10 is cylindrical.
In the present embodiment, the outer rim of the manhole cover body 10 is equipped with step clamping groove 15.
Above-mentioned, the outer rim at the top of manhole cover body 10 extends outwardly protrusion, forms the step clamping that can be clamped well lid hole
Slot 15 is installed in well lid hole convenient for manhole cover body 10.
Although the above more term for having used expression structure, it does not exclude the possibility of using other terms.It uses
These terms are only for the convenience of describing and explaining the nature of the invention；It is construed as any additional limit
System is disagreed with spirit of that invention.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Multifunctional well cover, which is characterized in that including manhole cover body, the manhole cover body is equipped with letting out for pressure release draining
Pressure device, the bottom of the manhole cover body are equipped with the environmental data collecting for detecting the gas parameter below the manhole cover body
Device and liquid data acquisition device for detecting the liquid parameter below the manhole cover body, the Multifunctional well cover also wrap
It includes the detection data for receiving the environment data acquisition device and the liquid data acquisition device and sends out the data
It send to the wireless communication device of external server.
2. a kind of Multifunctional well cover according to claim 1, which is characterized in that the top of the manhole cover body is equipped with the sun
Energy charging panel, the solar charging panel are used for environment data acquisition device, the liquid data acquisition device and the nothing
Line communication device is powered.
3. a kind of Multifunctional well cover according to claim 2, which is characterized in that the solar charging panel is multiple.
4. a kind of Multifunctional well cover according to claim 1, which is characterized in that the pressure relief device is overflow valve, described
Overflow valve receives the control signal of the wireless communication device.
5. a kind of Multifunctional well cover according to claim 1, which is characterized in that the pressure relief device is set to the well lid sheet
The middle part of body.
6. a kind of Multifunctional well cover according to claim 1, which is characterized in that the environment data acquisition device is vulcanization
Hydrogen detector.
7. a kind of Multifunctional well cover according to claim 1, which is characterized in that the liquid data acquisition device is flow
Detector.
8. a kind of Multifunctional well cover according to claim 1, which is characterized in that the bottom of the manhole cover body is equipped with and is used for
Accommodate the Multifunctional cabin of environment data acquisition device, the liquid data acquisition device and the wireless communication device.
9. a kind of Multifunctional well cover according to claim 1, which is characterized in that the manhole cover body is cylindrical.
10. a kind of Multifunctional well cover according to claim 1, which is characterized in that the outer rim of the manhole cover body is equipped with platform
Rank clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195503.3A CN108978727A (en) | 2018-10-15 | 2018-10-15 | A kind of Multifunctional well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195503.3A CN108978727A (en) | 2018-10-15 | 2018-10-15 | A kind of Multifunctional well cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108978727A true CN108978727A (en) | 2018-12-11 |
Family
ID=64543634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811195503.3A Pending CN108978727A (en) | 2018-10-15 | 2018-10-15 | A kind of Multifunctional well cover |
Country Status (1)
| Country | Link |
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| CN (1) | CN108978727A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403387A (en) * | 2018-12-17 | 2019-03-01 | 江西君泽文化传媒有限公司 | A kind of well lid |
| CN110056010A (en) * | 2019-05-17 | 2019-07-26 | 南京管科智能科技有限公司 | A kind of intelligent well cover and preparation method thereof with wireless charging function |
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| CN209099402U (en) * | 2018-10-15 | 2019-07-12 | 深圳市施罗德工业集团有限公司 | A kind of Multifunctional well cover |
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| CN109403387A (en) * | 2018-12-17 | 2019-03-01 | 江西君泽文化传媒有限公司 | A kind of well lid |
| CN110056010A (en) * | 2019-05-17 | 2019-07-26 | 南京管科智能科技有限公司 | A kind of intelligent well cover and preparation method thereof with wireless charging function |
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