CN111637945A - Reed pipe type Internet of things water meter based on NB-IoT valve control - Google Patents
Reed pipe type Internet of things water meter based on NB-IoT valve control Download PDFInfo
- Publication number
- CN111637945A CN111637945A CN202010315089.6A CN202010315089A CN111637945A CN 111637945 A CN111637945 A CN 111637945A CN 202010315089 A CN202010315089 A CN 202010315089A CN 111637945 A CN111637945 A CN 111637945A
- Authority
- CN
- China
- Prior art keywords
- water meter
- water
- shell
- plate
- level
- 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
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a reed pipe type Internet of things water meter based on NB-IoT valve control, which comprises a water meter shell and a water meter core arranged in the water meter shell, wherein the water meter shell is of a shell structure, the water meter core is fixedly arranged in an inner cavity of the water meter shell, a dial plate is arranged above the water meter core, a dial plate cover is rotatably arranged on one side of the dial plate, a water inlet is arranged at the front end of the water meter shell, a water outlet is arranged at the rear end of the water meter shell, and the water inlet and the water outlet are both connected with the water meter core in the water; through setting traditional thing networking water gauge shell to by outer heat preservation, one-level heat-conducting layer and second grade heat-conducting layer three layer construction constitute to circuitous resistance heating wire that is provided with in the one-level cavity between outer heat preservation and one-level heat-conducting layer, thereby heat through its cavity between outer heat preservation and the one-level heat-conducting layer, thereby guarantee that water gauge shell temperature maintains in certain suitable within range, thereby avoid its normal work that influences the water gauge body.
Description
Technical Field
The invention relates to the technical field of water meters of the Internet of things, in particular to a reed pipe type water meter of the Internet of things based on NB-IoT valve control.
Background
The water meter of the Internet of things is used as a device for shunting, converging or flowing direction switching of media in a pipeline; the water meter of the internet of things is widely applied to pipelines in coal chemical industry, petrochemical industry, rubber, papermaking, pharmacy and the like as a medium shunting and converging or flow direction switching device, the water meter of the internet of things generally adopts a top-mounted structure, connecting bolts of a valve body are reduced under the conditions of high pressure and large caliber, the reliability of the valve is enhanced, and the influence of the dead weight of the system on the normal work of the valve can be overcome.
The water meter adopts a novel water meter which adopts micro-electronic technology, sensing technology and the like to measure water consumption and adopts water data transmission and settlement transaction, the water meter is often applied to severe environment due to the characteristics of convenient control and monitoring, and once the weather of the water meter for measuring the water flow is cold, the measurement of the water meter body is very easy to interfere, and the traditional anti-freezing means is that a layer of heat insulation material is wrapped on the water meter and a water pipe, but the water meter needs to record data frequently, so that the water meter cannot be wrapped completely, the anti-freezing treatment effect is general, and the interference to the water meter of the internet of things is very easy to cause.
Disclosure of Invention
The invention aims to provide a quick sand screening device for municipal engineering aiming at the defects of the prior art so as to solve the problem that the metering effect of a water meter is influenced by low temperature.
In order to achieve the purpose, the invention provides the following technical scheme: the invention provides a rapid sand screening device for municipal engineering, which provides the following technical scheme: the utility model provides a dry reed pipe formula thing networking water gauge based on NB-IoT valve accuse, includes water gauge shell and the water gauge core of setting inside the water gauge shell, the water gauge shell is a shell structure, water gauge core fixed mounting is in the inner chamber of water gauge shell, and the top of water gauge core is provided with the dial plate, one side of dial plate is rotated and is installed the dial plate lid, the front end of water gauge shell is provided with the water inlet, and its rear end is provided with the delivery port, the water inlet all is connected with the water gauge core of water gauge shell inside with the delivery port, the lower surface of water gauge shell is provided with the connecting piece, the connecting piece symmetries altogether is provided with a set ofly, and is provided with the mounting panel below it.
Preferably, the dial cover is cast by a polystyrene plastic foam plate.
Preferably, the casing lateral wall of water gauge shell comprises outer heat preservation, one-level heat-conducting layer and second grade heat-conducting layer, all leave the space between outer heat preservation and the one-level heat-conducting layer, between one-level heat-conducting layer and the second grade heat-conducting layer, and its space is one-level cavity and second grade cavity respectively, and connects fixedly through the connecting rod between outer heat preservation, one-level heat-conducting layer and the second grade heat-conducting layer three.
Preferably, a resistance heating wire is arranged in a one-level cavity between the outer heat-insulating layer and the one-level heat-conducting layer in a roundabout mode, the resistance heating wire is electrically connected with a power supply through a temperature control switch, the temperature control switch is fixedly installed in a two-level cavity between the one-level heat-conducting layer and the two-level heat-conducting layer, and heat-conducting oil is injected into the two-level cavity.
Preferably, the outer heat-insulating layer is a polystyrene plastic foam board, and the first-level heat-conducting layer and the second-level heat-conducting layer are copper thin plates.
Preferably, the connecting piece comprises an upper connecting seat, a connecting plate, a lower connecting seat and adjusting bolts, the upper connecting seat is formed by combining a cylinder and a circular plate, the upper connecting seat is provided with an installation groove, the edge part of the circular plate is provided with four guide rod holes separately, and the number of the guide rod holes is four.
Preferably, the connecting plate is a circular plate, the center of the plate body is provided with a rotating groove, the lower surface of the plate body is provided with a rotating hole, the rotating hole is communicated with the rotating groove, the lower connecting seat is a short cylinder, the lower surface of the cylinder body is fixedly welded on the upper surface of the mounting plate, bolt holes are symmetrically formed in the lower connecting seat, and the positions of the bolt holes correspond to the positions of the rotating hole.
Preferably, a buffer spring is arranged between the upper connecting seat and the connecting plate, the upper end of the buffer spring is fixedly glued in a mounting groove on the upper connecting seat, the lower end of the buffer spring is fixedly glued on the upper surface of the connecting plate, a guide rod is fixedly welded on the upper surface of the connecting plate, the position of the guide rod corresponds to the position of the guide rod hole, and the guide rod is movably arranged in the guide rod hole.
Preferably, adjusting bolt is a shank of bolt, and the top of its body of rod is provided with changes the board, the plate body size that changes the board is identical with the size of turn trough, and its rotation sets up in its notch, and the body of rod of shank of bolt leans on upper end position department fixed welding to have adjusting nut, commentaries on classics board, adjusting bolt are integrated into one piece for casting.
Compared with the prior art, the invention has the beneficial effects that:
1. the traditional Internet of things water meter shell is set to be composed of three layers of structures of an outer heat insulation layer, a first heat conduction layer and a second heat conduction layer, and a resistance heating wire is arranged in a circuitous way in a first-stage cavity between the outer heat insulation layer and the first heat conduction layer, so that the cavity between the outer heat insulation layer and the first heat conduction layer is heated through the resistance heating wire, the temperature of the water meter shell is guaranteed to be maintained in a certain proper range, and the normal work of a water meter body is prevented from being influenced;
2. the temperature in the inner cavity of the water meter shell is more stably balanced through the heat conduction effect of the heat conduction oil injected into the second-stage cavity between the first-stage heat conduction layer and the second-stage heat conduction layer;
3. the installation is connected to thing networking water gauge and mounting panel through setting up the connecting piece to can fix thing networking water gauge through connecting piece and mounting panel, thereby avoid the direct unsettled installation of thing networking water gauge on water piping structure, let the direct atress of water pipe body, lead to the phenomenon that the damage appears in its junction easily, and buffer spring in the connecting piece can effectively avoid its top thing networking water gauge to appear damaging because of external collision.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a half sectional view of the connector of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
FIG. 6 is an enlarged view of the structure at C in FIG. 4;
FIG. 7 is a schematic view of a top connection seat according to the present invention;
FIG. 8 is a cross-sectional view of a web of the present invention;
fig. 9 is a schematic view of an adjusting bolt structure according to the present invention.
In the figure: the water meter comprises a water meter shell 1, a water meter movement 2, a dial plate 3, a dial plate cover 4, a water inlet 5, a water outlet 6, a connecting piece 7, a mounting plate 8, a mounting hole 9, an outer heat preservation layer 10, a first-level heat conduction layer 11, a second-level heat conduction layer 12, a connecting rod 13, a resistance heating wire 14, an upper connecting seat 15, a connecting plate 16, a lower connecting seat 17, an adjusting bolt 18, a mounting groove 19, a guide rod hole 20, a guide rod 21, a buffer spring 22, a bolt hole 23, a rotating plate 24, an adjusting nut 25, a rotating groove 26 and.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a reed pipe type Internet of things water meter based on NB-IoT valve control comprises a water meter shell 1 and a water meter core 2 arranged inside the water meter shell 1, wherein the water meter shell 1 is of a shell structure, the water meter core 2 is fixedly arranged in an inner cavity of the water meter shell 1, a dial plate 3 is arranged above the water meter core 2, a dial plate cover 4 is rotatably arranged on one side of the dial plate 3, a water inlet 5 is arranged at the front end of the water meter shell 1, a water outlet 6 is arranged at the rear end of the water meter shell, the water inlet 5 and the water outlet 6 are both connected with the water meter core 2 inside the water meter shell 1, a connecting piece 7 is arranged on the lower surface of the water meter shell 1, a group of connecting pieces 7 is symmetrically arranged, a mounting plate 8 is arranged below the connecting.
Further, the dial cover 4 is cast by a polystyrene plastic foam plate;
furthermore, the side wall of the housing of the water meter housing 1 is composed of an external thermal insulation layer 10, a first-stage heat conduction layer 11 and a second-stage heat conduction layer 12, gaps are reserved between the external thermal insulation layer 10 and the first-stage heat conduction layer 11, and between the first-stage heat conduction layer 11 and the second-stage heat conduction layer 12, and the gaps are respectively a first-stage cavity and a second-stage cavity, and the external thermal insulation layer 10, the first-stage heat conduction layer 11 and the second-stage heat conduction layer 12 are connected and fixed through a connecting rod 13, the traditional things-networking water meter housing 1 is composed of three layers of the external thermal insulation layer 10, the first-stage heat conduction layer 11 and the second-stage heat conduction layer 12, and a resistance heating wire 14 is arranged in a circuitous way in the first-stage cavity between the external thermal insulation layer 10 and the first-stage heat conduction layer 11, thereby avoiding the influence on the normal work of the water meter body.
Further, circuitous resistance heating wire 14 that is provided with in the one-level cavity between outer heat preservation 10 and the one-level heat conduction layer 11, resistance heating wire 14 passes through temperature detect switch and is connected with the power electricity, its temperature detect switch fixed mounting is in the second grade cavity between one-level heat conduction layer 11 and second grade heat conduction layer 12, and it has the conduction oil to pour into among the second grade cavity, through in the second grade cavity between one-level heat conduction layer 11 and second grade heat conduction layer 12, and it has the conduction oil to pour into among the second grade cavity, through the heat conduction effect of conduction oil, let the more stable equilibrium of medium temperature of 1 inner chambers of.
Further, the outer heat-insulating layer 10 is a polystyrene plastic foam board, the first-stage heat-conducting layer 11 and the second-stage heat-conducting layer 12 are copper thin plates, the external constant temperature effect of the device is improved, and the internal heat-conducting effect of the device is improved.
Further, connecting piece 7 is by upper connecting seat 15, connecting plate 16, lower connecting seat 17 and adjusting bolt 18 constitute, upper connecting seat 15 is formed by a cylinder and a circular panel combination, and seted up mounting groove 19 on it, and the edge part of its circular panel separately is equipped with guide rod hole 20, guide rod hole 20 is provided with four altogether, connect the installation to thing networking water gauge and mounting panel 8 through setting up connecting piece 7, thereby can fix thing networking water gauge through connecting piece 7 and mounting panel 8, thereby avoid thing networking water gauge direct suspension to install on the water piping structure, let the direct atress of water piping body, lead to the phenomenon that its junction appears the damage easily, and buffer spring 22 in connecting piece 7 can effectively avoid its above thing networking water gauge to appear damaging because of external collision.
Furthermore, the connecting plate 16 is a circular plate, the center of the plate is provided with a rotating groove 26, the lower surface of the plate is provided with a rotating hole 27, the rotating hole 27 is communicated with the rotating groove 26, the lower connecting seat 17 is a short cylinder, the lower surface of the cylinder is fixedly welded on the upper surface of the mounting plate 8, bolt holes 23 are symmetrically formed in the lower connecting seat, and the positions of the bolt holes 23 correspond to the positions of the rotating hole 27.
Further, be provided with buffer spring 22 between upper connecting seat 15 and the connecting plate 16, buffer spring 22's upper end fixed glue connects in mounting groove 19 on upper connecting seat 15, its lower extreme fixed glue connects the upper surface at connecting plate 16, and the fixed welding of upper surface of connecting plate 16 has guide arm 21, the position of guide arm 21 is corresponding with the position of guide rod hole 20, and the activity of guide arm 21 sets up in guide rod hole 20, the guide arm structure lets buffer spring 22 when the motion, can guarantee the stability of connecting piece 7 when the motion.
Further, adjusting bolt 18 is a shank of bolt, and the top of its body of rod is provided with commentaries on classics board 24, the plate body size of commentaries on classics board 24 is identical with the size of turn trough 26, and it rotates and sets up in its notch, and the body of rod of shank of bolt leans on the fixed welding of upper end position department to have adjusting nut 25, change board 24, adjusting bolt 18 is integrative cast moulding, adjusting bolt 18 on the connecting piece 7 can be very convenient let the staff adjust the holding power size of connecting piece 7, thereby guarantee that buffer spring 22 can be in the compression state of suitable intensity, thereby when guaranteeing its buffering effect, can the stability of effectual assurance water gauge body.
The working principle is as follows: when the temperature sensor is in practical use, when the external temperature is low, the temperature control switch in the secondary cavity between the first heat conduction layer 11 and the second heat conduction layer 12 is switched on, so that the heating device between the outer heat preservation layer 10 and the first heat conduction layer 11 is switched on, and the heating device is heated through the temperature control switch, and the heat generated by the heating structure can heat the heat conduction oil in the secondary cavity through the first heat conduction layer 11, so that the heat is conducted to the position of the water meter core inside the temperature control switch through the heat conduction oil and the second heat conduction layer 12, thereby ensuring that the water meter core 2 can always work in a proper temperature environment, avoiding the interference of the external low temperature on the measurement of the water meter body, and the connecting piece 7 below the water meter of the internet of things can be collided with the water meter body, or when the vibration phenomenon is generated by the operation of a large machine nearby, the, thereby play and reduce its vibration phenomenon to adjusting bolt 18 on connecting piece 7 can be very convenient let the staff adjust the holding power size of connecting piece 7, thereby guarantee that buffer spring 22 can be in the compression state of suitable intensity, thereby when guaranteeing its buffering effect, can the effectual stability of guaranteeing the water gauge body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a reed pipe formula thing networking water gauge based on NB-IoT valve accuse, includes water gauge shell (1) and sets up water gauge core (2) inside water gauge shell (1), its characterized in that: water gauge shell (1) is a shell structure, water gauge core (2) fixed mounting is in the inner chamber of water gauge shell (1), and the top of water gauge core (2) is provided with dial plate (3), one side of dial plate (3) is rotated and is installed dial plate lid (4), the front end of water gauge shell (1) is provided with water inlet (5), and its rear end is provided with delivery port (6), water inlet (5) all are connected with water gauge core (2) of water gauge shell (1) inside with delivery port (6), the lower surface of water gauge shell (1) is provided with connecting piece (7), connecting piece (7) symmetries altogether are provided with a set ofly, and is provided with mounting panel (8) below it, mounting hole (9) have all been seted up to four edges of the plate body of mounting panel (8).
2. The NB-IoT valve-controlled reed pipe type internet of things-based water meter according to claim 1, wherein: the dial cover (4) is cast by a polystyrene plastic foam plate.
3. The NB-IoT valve-controlled reed pipe type internet of things-based water meter according to claim 1, wherein: the water meter shell (1) is characterized in that the side wall of the shell body is composed of an outer heat insulation layer (10), a first-level heat conduction layer (11) and a second-level heat conduction layer (12), gaps are reserved between the outer heat insulation layer (10) and the first-level heat conduction layer (11) and between the first-level heat conduction layer (11) and the second-level heat conduction layer (12), the gaps are respectively a first-level cavity and a second-level cavity, and the outer heat insulation layer (10), the first-level heat conduction layer (11) and the second-level heat conduction layer (12) are fixedly connected through a connecting rod (.
4. The NB-IoT valve-controlled reed pipe type internet of things-based water meter according to claim 3, wherein: the heat-insulating and heat-conducting composite pipe is characterized in that resistance heating wires (14) are arranged in a one-level cavity between the outer heat-insulating layer (10) and the one-level heat-conducting layer (11) in a winding manner, the resistance heating wires (14) are electrically connected with a power supply through temperature control switches, the temperature control switches are fixedly installed in a two-level cavity between the one-level heat-conducting layer (11) and the two-level heat-conducting layer (12), and heat-conducting oil is injected into.
5. The NB-IoT valve-controlled reed pipe type internet of things-based water meter according to claim 3, wherein: the outer heat-insulating layer (10) is a polystyrene plastic foam board, and the first-level heat-conducting layer (11) and the second-level heat-conducting layer (12) are copper thin plates.
6. The NB-IoT valve-controlled reed pipe type internet of things-based water meter according to claim 1, wherein: the connecting piece (7) is composed of an upper connecting seat (15), a connecting plate (16), a lower connecting seat (17) and adjusting bolts (18), the upper connecting seat (15) is formed by combining a cylinder and a circular plate, a mounting groove (19) is formed in the upper connecting seat, guide rod holes (20) are formed in the edge portion of the circular plate in a separated mode, and the number of the guide rod holes (20) is four.
7. The NB-IoT valve-controlled reed pipe type internet of things-based water meter according to claim 6, wherein: the connecting plate (16) is a circular plate, a rotating groove (26) is formed in the center of the plate body, a rotating hole (27) is formed in the lower surface of the plate body, the rotating hole (27) is communicated with the rotating groove (26), the lower connecting seat (17) is a short cylinder, the lower surface of the cylinder is fixedly welded to the upper surface of the mounting plate (8), bolt holes (23) are symmetrically formed in the cylinder, and the positions of the bolt holes (23) correspond to the positions of the rotating hole (27).
8. The NB-IoT valve-controlled reed pipe type internet of things-based water meter according to claim 6, wherein: be provided with buffer spring (22) between superior connecting seat (15) and connecting plate (16), the fixed mounting groove (19) that splice on superior connecting seat (15) in the upper end of buffer spring (22), the fixed upper surface that splices at connecting plate (16) of its lower extreme, and the fixed welding of upper surface of connecting plate (16) has guide arm (21), the position of guide arm (21) is corresponding with the position of guide arm hole (20), and guide arm (21) activity sets up in guide arm hole (20).
9. The NB-IoT valve-controlled reed pipe type internet of things-based water meter according to claim 6, wherein: adjusting bolt (18) are a shank of bolt, and the top of its body of rod is provided with changes board (24), the plate body size of changeing board (24) is identical with the size of changeing groove (26), and its rotation sets up in its notch, and the body of rod of shank of bolt leans on upper end position department fixed welding to have adjusting nut (25), change board (24), adjusting bolt (18) are integrated into one piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315089.6A CN111637945A (en) | 2020-04-21 | 2020-04-21 | Reed pipe type Internet of things water meter based on NB-IoT valve control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315089.6A CN111637945A (en) | 2020-04-21 | 2020-04-21 | Reed pipe type Internet of things water meter based on NB-IoT valve control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111637945A true CN111637945A (en) | 2020-09-08 |
Family
ID=72330813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010315089.6A Pending CN111637945A (en) | 2020-04-21 | 2020-04-21 | Reed pipe type Internet of things water meter based on NB-IoT valve control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111637945A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833968A (en) * | 2021-01-29 | 2021-05-25 | 江苏华尔威科技集团有限公司 | Wide-range high-temperature-resistant steam two-phase flowmeter |
| CN113063470A (en) * | 2021-05-17 | 2021-07-02 | 深圳市前海海洋仪表科技有限公司 | Ultrasonic wave thing networking water gauge that two keys were encrypted |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012057323A (en) * | 2010-09-07 | 2012-03-22 | Kurimoto Shoji Kk | Water supply control method |
| CN202885891U (en) * | 2012-09-26 | 2013-04-17 | 山东金王电器有限公司 | Anti-freezing box favorable for inspection |
| CN206469932U (en) * | 2017-01-26 | 2017-09-05 | 苏州大学 | A kind of anti-freezing water gauge box |
| CN207335807U (en) * | 2017-11-13 | 2018-05-08 | 北京华航能信科技有限公司 | A kind of photoelectric direct-reading Internet of Things water meter based on NB-IoT valve controls |
| CN108020273A (en) * | 2018-01-09 | 2018-05-11 | 北京华航能信科技有限公司 | A kind of dry-reed Internet of Things water meter based on NB-IoT valve controls |
| CN207540610U (en) * | 2017-12-15 | 2018-06-26 | 浙江苍南仪表集团股份有限公司 | Formula water meter is read in novel camera shooting |
| CN207832265U (en) * | 2018-02-05 | 2018-09-07 | 邬光红 | A kind of valve control photoelectricity Intelligent water meter of Internet of things |
| CN207907978U (en) * | 2018-01-19 | 2018-09-25 | 临沂市贝泉水表有限公司 | A kind of Internet of Things intelligent wireless remote transmission water meter |
-
2020
- 2020-04-21 CN CN202010315089.6A patent/CN111637945A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012057323A (en) * | 2010-09-07 | 2012-03-22 | Kurimoto Shoji Kk | Water supply control method |
| CN202885891U (en) * | 2012-09-26 | 2013-04-17 | 山东金王电器有限公司 | Anti-freezing box favorable for inspection |
| CN206469932U (en) * | 2017-01-26 | 2017-09-05 | 苏州大学 | A kind of anti-freezing water gauge box |
| CN207335807U (en) * | 2017-11-13 | 2018-05-08 | 北京华航能信科技有限公司 | A kind of photoelectric direct-reading Internet of Things water meter based on NB-IoT valve controls |
| CN207540610U (en) * | 2017-12-15 | 2018-06-26 | 浙江苍南仪表集团股份有限公司 | Formula water meter is read in novel camera shooting |
| CN108020273A (en) * | 2018-01-09 | 2018-05-11 | 北京华航能信科技有限公司 | A kind of dry-reed Internet of Things water meter based on NB-IoT valve controls |
| CN207907978U (en) * | 2018-01-19 | 2018-09-25 | 临沂市贝泉水表有限公司 | A kind of Internet of Things intelligent wireless remote transmission water meter |
| CN207832265U (en) * | 2018-02-05 | 2018-09-07 | 邬光红 | A kind of valve control photoelectricity Intelligent water meter of Internet of things |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833968A (en) * | 2021-01-29 | 2021-05-25 | 江苏华尔威科技集团有限公司 | Wide-range high-temperature-resistant steam two-phase flowmeter |
| CN113063470A (en) * | 2021-05-17 | 2021-07-02 | 深圳市前海海洋仪表科技有限公司 | Ultrasonic wave thing networking water gauge that two keys were encrypted |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111637945A (en) | Reed pipe type Internet of things water meter based on NB-IoT valve control | |
| CN201724699U (en) | Turbulence-treated flow meter tube of cleanable ultraviolet heat meter | |
| CN203287064U (en) | Power plant heating steam supply flow measuring device based on heat balance | |
| CN209415660U (en) | A kind of anti-tampering liquid level sensor and ice storage unit | |
| CN208350154U (en) | A kind of harnessing the river for strong applicability uses water meter structure | |
| CN218724405U (en) | Small-caliber integrated pressure valve water meter structure | |
| CN106052778A (en) | Electromagnetic measurement system for oil well flow quantity | |
| CN208155368U (en) | A kind of Intelligent gas turbine flowmeter | |
| CN209111358U (en) | A kind of closed type chill roll | |
| CN215763528U (en) | Marine valve that protectiveness is good | |
| CN206378230U (en) | A kind of low-speed big electric eddy current dynamometer of direct water-cooling | |
| CN202501878U (en) | Flow measurement tube of ultrasonic calorimeter | |
| CN212963505U (en) | Ultrasonic water meter | |
| CN201508256U (en) | Cleanable flow rate measuring pipe of ultrasonic calorimeter | |
| CN202101708U (en) | Ultrasonic heat meter | |
| CN105044148A (en) | Device for multifunctional solar gravity heat pipe power detection | |
| CN217384370U (en) | Flowmeter shell with protection structure | |
| CN204789428U (en) | A device that is used for multi -functional solar energy gravity heat pipe power detection | |
| CN208902183U (en) | A kind of Serro type volumetric flowmeter | |
| CN219715296U (en) | High efficiency water conservancy hydrology sand content detection device | |
| CN208619718U (en) | A kind of valve with flow indication function | |
| CN205898213U (en) | Oil well flow electromagnetic measurement system | |
| CN221859648U (en) | Anti-freezing mechanism for differential pressure flowmeter | |
| CN205208052U (en) | Heat insulating ball valve | |
| CN219319491U (en) | Fluid flow measuring device for large-caliber pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200908 |