CN115523972A - High-sensitivity anti-backflow intelligent water meter - Google Patents
High-sensitivity anti-backflow intelligent water meter Download PDFInfo
- Publication number
- CN115523972A CN115523972A CN202211404839.2A CN202211404839A CN115523972A CN 115523972 A CN115523972 A CN 115523972A CN 202211404839 A CN202211404839 A CN 202211404839A CN 115523972 A CN115523972 A CN 115523972A
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- water meter
- backflow
- water
- fixedly connected
- side wall
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 230000035945 sensitivity Effects 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 5
- WBWJXRJARNTNBL-UHFFFAOYSA-N [Fe].[Cr].[Co] Chemical compound [Fe].[Cr].[Co] WBWJXRJARNTNBL-UHFFFAOYSA-N 0.000 claims description 3
- 229910001004 magnetic alloy Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 230000000151 anti-reflux effect Effects 0.000 abstract description 9
- 238000010992 reflux Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 9
- 230000002265 prevention Effects 0.000 description 7
- 210000004209 hair Anatomy 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- G01F15/06—Indicating or recording devices
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a high-sensitivity backflow-preventing intelligent water meter which comprises a water meter body, wherein a water outlet pipe is fixedly connected to the water outlet end of the water meter body, a main flow channel is connected to the water inlet end of the water meter body, a plurality of backflow-preventing pipes are communicated with the main flow channel, a fixing cylinder is fixedly connected to one end, away from the water meter body, of the main flow channel, a filtering cavity is arranged in the fixing cylinder, a filtering net is fixedly connected to the inside of the filtering cavity, a cleaning mechanism is arranged on the side wall of the filtering net, a water inlet pipe is fixedly connected to the side wall of the fixing cylinder, and the water inlet pipe is communicated with the inside of the fixing cylinder. The invention has reasonable design and ingenious conception, can realize the anti-reflux effect of the water meter by arranging the guide channel, the reflux channel and the limiting block in the anti-reflux pipe, has simple structure, is more convenient to produce and install, and has no movable component in the anti-reflux pipe, so that the anti-reflux pipe is more durable.
Description
Technical Field
The invention relates to the technical field of water meters, in particular to a high-sensitivity backflow-preventing intelligent water meter.
Background
A water meter is a meter that measures water flow. Water meters are quite common in daily life. Especially, the water meter is convenient for municipal water supply, and the water meter can be convenient for users to pay according to the using amount of water. Traditional water gauge, the function is simpler, and along with the development of science and technology, intelligent water gauge begins to appear, and the accuracy of water gauge obtains improving.
Current intelligent water gauge when using, when closing tap or equipment and breaking down, water can take place the refluence in intelligent water gauge, can make the accuracy of water gauge produce the influence, causes resident's water use number of degrees inaccurate, for solving above-mentioned problem, chinese patent publication No. CN213336295U discloses a high sensitivity prevents intelligent water gauge that flows backwards, including the water gauge body, one side fixedly connected with water inlet of water gauge body, the opposite side of water gauge body is connected with the delivery port, the inside fixedly connected with arc of delivery port, the middle part of arc is provided with the connecting rod, the fixed surface of connecting rod is connected with the fixed disk, the first spring of inner diapire fixedly connected with of recess.
However, in the above scheme, in order to prevent water flow from flowing backwards, a plurality of structures such as a trapezoidal clamping block, a turntable, a clamping groove and blades are arranged, the backflow-preventing structure is complex, and production and installation are troublesome, so the invention provides the high-sensitivity backflow-preventing intelligent water meter.
Disclosure of Invention
The invention provides a high-sensitivity backflow-preventing intelligent water meter, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-sensitivity anti-backflow intelligent water meter comprises a water meter body, wherein a water outlet pipe is fixedly connected to the water outlet end of the water meter body, a main flow channel is connected to the water inlet end of the water meter body, a plurality of anti-backflow pipes are communicated with the main flow channel, a fixed cylinder is fixedly connected to one end, away from the water meter body, of the main flow channel, a filtering chamber is arranged in the fixed cylinder, a filtering net is fixedly connected to the inside of the filtering chamber, a cleaning mechanism is arranged on the side wall of the filtering net, a water inlet pipe is fixedly connected to the side wall of the fixed cylinder, and the water inlet pipe is communicated with the inside of the fixed cylinder;
the backflow prevention pipe comprises a water inlet, a main water outlet, a plurality of scissors-shaped branch pipes and a water return pipe, branch water outlets are formed in two sides of the main water outlet and connected with the branch pipes, the tail ends of the branch pipes are connected with the arc-shaped water return pipe, and the water return pipe is communicated with the middle of the next branch pipe.
As a further improvement scheme of the technical scheme: the main water outlet is arranged in a narrow aperture mode, and the branch water outlets are arranged in a wide aperture mode.
As a further improvement scheme of the technical scheme: clean mechanism includes the fixed plate, fixed plate fixed connection is on filtering the lateral wall of cavity, it is connected with the dwang to rotate on filtering the lateral wall of cavity, the dwang runs through the lateral wall and the fixedly connected with rotor plate of filter screen, be equipped with a plurality of brush hairs on the lateral wall of rotor plate, be equipped with power generation mechanism on the dwang.
As a further improvement scheme of the technical scheme: the power generation mechanism is including taking turns the steamer, the fixed connection that takes turns to is on the lateral wall of dwang, a plurality of first magnets of fixedly connected with on the circumference lateral wall that takes turns to, fixedly connected with second magnet on the lateral wall of solid fixed cylinder, the winding has induction coil on the second magnet.
As a further improvement scheme of the technical scheme: a plurality of first magnet is annular equidistance array fixed connection on the circumference lateral wall of turbine.
As a further improvement scheme of the technical scheme: the first magnet and the second magnet are made of iron-chromium-cobalt permanent magnetic alloy.
As a further improvement scheme of the technical scheme: the induction coil is used for being coupled to a storage battery or electric equipment.
As a further improvement scheme of the technical scheme: the anti-reflux tube is made of stainless steel.
As a further improvement scheme of the technical scheme: the side wall of the filtering chamber close to the anti-reflux pipe is arranged in a conical shape.
As a further improvement scheme of the technical scheme: the upper side of the water meter body is movably connected with a cover plate through a hinge.
Compared with the prior art, the invention has the beneficial effects that:
the device reasonable in design, think about ingeniously, through set up water conservancy diversion passageway, backward flow passageway and stopper in preventing flowing back intraductally, can realize the effect of preventing flowing back of water gauge, its simple structure, the production and the installation of being convenient for more to its inside movable assembly that does not have, make to prevent flowing back the pipe more durable.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic perspective view of a high-sensitivity backflow-preventing intelligent water meter according to the present invention;
fig. 2 is a schematic cross-sectional structural view of a front side of a high-sensitivity anti-backflow intelligent water meter according to the present invention;
FIG. 3 is a schematic view of a connection structure of components on a rotating rod of the high-sensitivity backflow-preventing intelligent water meter according to the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 2;
FIG. 5 is a schematic view of the water flow of the anti-reflux tube of the present invention when water is introduced;
FIG. 6 is a schematic view of the water flowing in the anti-reflux pipe of the present invention;
fig. 7 is a schematic view of a partial cross-sectional structure of the inside of a fixed cylinder in the high-sensitivity backflow-preventing intelligent water meter according to the present invention.
In the drawings, the reference numbers indicate the following list of parts:
1. a water outlet pipe; 2. a water meter body; 3. an anti-reflux tube; 31. a water inlet; 32. a main water outlet; 33 water gaps; 34. a branch pipe; 35. a water return pipe; 4. a fixed cylinder; 5. a water inlet pipe; 6. a second magnet; 7. an induction coil; 8. a main flow channel; 9. a rotating plate; 10. a fixing plate; 11. a steam turbine; 12. a filter screen; 13. a first magnet; 14. rotating the rod; 15. brushing; 16. a filtration chamber.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example 1
Referring to fig. 1 to 7, in the embodiment of the present invention, an intelligent high-sensitivity backflow-prevention water meter includes a water meter body 2, a cover plate is movably connected to an upper side of the water meter body 2 through a hinge, a water outlet pipe 1 is fixedly connected to a water outlet end of the water meter body 2, a main flow channel 8 is connected to a water inlet end of the water meter body 2, a plurality of backflow-prevention pipes 3 are communicated with the main flow channel 8, a fixed cylinder 4 is fixedly connected to one end of the main flow channel 8 away from the water meter body 2, a filtering chamber 16 is disposed in the fixed cylinder 4, the filtering chamber 16 is disposed in a conical shape near a side wall of the backflow-prevention pipes 3, a filtering net 12 is fixedly connected to the inside of the filtering chamber 16, a cleaning mechanism is disposed on a side wall of the filtering net 12, a water inlet pipe 5 is fixedly connected to a side wall of the fixed cylinder 4, and the water inlet pipe 5 is communicated with the inside of the fixed cylinder 4.
Specifically, the backflow prevention pipe 3 includes a water inlet 31, a main water outlet 32, a plurality of scissor-shaped branch pipes 34 and a water return pipe 35, wherein water outlets 33 are arranged on two sides of the main water outlet 32, the water outlets 33 are connected with the branch pipes 34, the tail ends of the branch pipes 34 are connected with the arc-shaped water return pipe 35, the water return pipe 35 is communicated with the middle of the next branch pipe 34, the main water outlet 32 is arranged in a narrow aperture, and the water outlets 33 are arranged in a wide aperture.
As shown in fig. 5, when water flows from the water inlet 31 to the water outlet 32, since the main water outlet 32 is disposed with a narrow aperture and the branch water outlet 33 is disposed with a wide aperture, a part of the water is pressurized to pass through the main water outlet 32, another part of the water enters the water return pipe 35 through the branch water outlet 33, and then enters the branch pipe 34 from the water return pipe 35, and the water flowing out of the branch pipe 34 flows in the same direction as the water flowing out of the main water outlet 32, so that no obstruction occurs, and the water can flow normally.
As shown in fig. 6, when water flows from the water meter body 2 to the main flow passage 8 of the backflow preventing pipe 3 in a reverse flow direction, and then enters the backflow preventing pipe 3, the main water outlet 32 is arranged in a narrow diameter, the branch water outlet 33 is arranged in a wide diameter, and the branch pipe 34 and the return pipe 35 are arranged in a scissor shape, and then the water flows into the main water blowing outlet 32 to generate a blocking effect, most of the water flows enter the branch pipe 34, and since the water of the branch pipe 34 returns to the branch water outlet 33 of the next branch pipe 34 again through the return pipe 35 and flows in a direction opposite to the flow direction of the water in the branch water outlet 33 and the main water outlet 32, the backflow of the water is further blocked, and so on, the backflow of the water is gradually weakened, and in the case of no pressure difference exists in the backflow, the backflow preventing pipes 3 completely restrict the backflow of the water in the main flow passage 8 and the water meter body, thereby effectively flowing, and further improving the sensitivity of water meter detection.
Example 2
On the basis of embodiment 1, clean mechanism includes fixed plate 10, fixed plate 10 fixed connection is on filtering cavity 16's lateral wall, it is connected with dwang 14 to rotate on filtering cavity 16's the lateral wall, dwang 14 runs through filtering screen 12's lateral wall and fixedly connected with rotor plate 9, be equipped with a plurality of brush hairs 15 on rotor plate 9's the lateral wall, be equipped with electricity generation mechanism on the dwang 14, when rotor plate 9 is rotatory, can drive a plurality of brush hairs 15 on its lateral wall and brush impurity on filtering screen 12 lateral wall, prevent that impurity from blockking up filtering screen 12 and make the rivers circulation not smooth.
Example 3
On embodiment 2's basis, power generation mechanism includes turbine 11, turbine 11 structure is similar with the steam turbine, it can drive turbine 11 and rotate to pass through when rivers, turbine 11 fixed connection is on the lateral wall of dwang 14, a plurality of first magnet 13 of fixedly connected with on turbine 11's the circumference lateral wall, fixedly connected with second magnet 6 on the lateral wall of fixed cylinder 4, it has induction coil 7 to twine on second magnet 6, a plurality of first magnet 13 are annular equidistance array fixed connection on turbine 11's circumference lateral wall, first magnet 13 and second magnet 6 adopt iron chromium cobalt system permanent magnetic alloy, turbine 11 is rotatory to drive a plurality of first magnet 13 on the circumference lateral wall and pass through second magnet 6 in order, make the magnetic field periodic fluctuation of second magnet 6, in order to realize the periodic fluctuation of the magnetic flux in the induction coil 7 on second magnet 6, thereby produce induced current, induction coil 7 can couple to battery or consumer.
When water flows reversely enter the main flow channel 8 in the reverse flow prevention pipe 3 from the direction of the water meter body 2, then the water flows enter the reverse flow prevention pipe 3, because the main water outlet 32 is arranged in a narrow diameter, the branch water outlet 33 is arranged in a wide diameter, and the branch pipe 34 and the water return pipe 35 are arranged in a scissor shape, so that the water flows enter the main water blowing outlet 32 to generate a blocking effect, most of the water flows enter the branch pipe 34, because the water of the branch pipe 34 returns to the branch water outlet 33 of the next branch pipe 34 again through the water return pipe 35 and is opposite to the flow direction of the water in the branch water outlet 33 and the main water outlet 32, the water flows collide against each other, the reverse flow of the water is further blocked, the reverse flow of the water is greatly blocked, the reverse flow prevention effect is better if the reverse flow prevention pipes are more, the reverse flow of the water is gradually weakened, and the reverse flow prevention pipes 3 completely limit the reverse flow of the reverse flow in the main flow channel 8 and the water meter body under the condition of no pressure difference of the reverse flow, thereby effectively flowing, and further improving the detection sensitivity of the water meter.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. A high-sensitivity anti-backflow intelligent water meter comprises a water meter body (2) and is characterized in that a water outlet end of the water meter body (2) is fixedly connected with a water outlet pipe (1), a water inlet end of the water meter body (2) is connected with a main flow channel (8), a plurality of anti-backflow pipes (3) are communicated in the main flow channel (8), one end, away from the water meter body (2), of the main flow channel (8) is fixedly connected with a fixed cylinder (4), a filtering chamber (16) is arranged in the fixed cylinder (4), a filtering net (12) is fixedly connected in the filtering chamber (16), a cleaning mechanism is arranged on the side wall of the filtering net (12), a water inlet pipe (5) is fixedly connected to the side wall of the fixed cylinder (4), and the water inlet pipe (5) is communicated with the inside of the fixed cylinder (4);
prevent countercurrent pipe (3) including branch pipe (34) and wet return (35) of water inlet (31) and main delivery port (32) and a plurality of scissors form, main delivery port (32) both sides are provided with a mouth of a river (33), a mouth of a river (33) connection branch pipe (34), branch pipe (34) end-to-end connection curved wet return (35), wet return (35) communicate the middle part of next branch pipe (34).
2. A high sensitivity intelligent water meter against backflow according to claim 2, characterized in that the main water outlet (32) is arranged with a narrow aperture and the branch water outlet (33) is arranged with a wide aperture.
3. The high-sensitivity backflow-preventing intelligent water meter according to claim 1, wherein the cleaning mechanism comprises a fixing plate (10), the fixing plate (10) is fixedly connected to the side wall of the filtering chamber (16), a rotating rod (14) is rotatably connected to the side wall of the filtering chamber (16), the rotating rod (14) penetrates through the side wall of the filtering net (12) and is fixedly connected with a rotating plate (9), a plurality of bristles (15) are arranged on the side wall of the rotating plate (9), and a power generation mechanism is arranged on the rotating rod (14).
4. A high sensitivity intelligent water meter of preventing flowing backwards, as claimed in claim 3, wherein the power generation mechanism includes a turbine (11), the turbine (11) is fixedly connected to the side wall of the rotating rod (14), a plurality of first magnets (13) are fixedly connected to the circumferential side wall of the turbine (11), a second magnet (6) is fixedly connected to the side wall of the fixed cylinder (4), and an induction coil (7) is wound on the second magnet (6).
5. A high sensitivity anti-backflow intelligent water meter according to claim 4, characterized in that a plurality of said first magnets (13) are fixedly connected to the circumferential side wall of the turbine (11) in an annular equidistant array.
6. A high sensitivity anti-backflow intelligent water meter according to claim 5, wherein the first magnet (13) and the second magnet (6) are made of iron-chromium-cobalt permanent magnetic alloy.
7. A high sensitivity intelligent water meter against backflow according to claim 6, characterized in that said induction coil (7) is adapted to be coupled to a battery or an electrical consumer.
8. The high-sensitivity backflow-preventing intelligent water meter according to claim 7, wherein the backflow-preventing pipe (3) is made of stainless steel.
9. A high sensitivity intelligent water meter against backflow according to claim 8, characterized in that the side wall of the filtering chamber (16) near the backflow preventing pipe (3) is conically arranged.
10. A high sensitivity anti-backflow intelligent water meter according to claim 9, wherein the upper side of the water meter body (2) is movably connected with a cover plate through a hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211404839.2A CN115523972B (en) | 2022-11-10 | 2022-11-10 | High-sensitivity backflow-preventing intelligent water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211404839.2A CN115523972B (en) | 2022-11-10 | 2022-11-10 | High-sensitivity backflow-preventing intelligent water meter |
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| Publication Number | Publication Date |
|---|---|
| CN115523972A true CN115523972A (en) | 2022-12-27 |
| CN115523972B CN115523972B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211404839.2A Active CN115523972B (en) | 2022-11-10 | 2022-11-10 | High-sensitivity backflow-preventing intelligent water meter |
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| US20140008275A1 (en) * | 2012-07-06 | 2014-01-09 | Sang Ku Lee | Water treatment apparatus integrated with water meter using magnet |
| CN213336303U (en) * | 2020-11-02 | 2021-06-01 | 山东泰全电子有限公司 | High-sensitivity anti-backflow intelligent water meter |
| CN113108631A (en) * | 2021-04-19 | 2021-07-13 | 青岛理工大学 | Heat exchange assembly capable of switching working conditions and heat exchanger |
| CN113551731A (en) * | 2021-07-20 | 2021-10-26 | 山东远程仪表制造有限公司 | Water meter capable of remotely transmitting data |
| CN216283757U (en) * | 2021-06-10 | 2022-04-12 | 河北鑫达钢铁集团有限公司 | Converter gas flow detection device |
| WO2022095882A1 (en) * | 2020-11-06 | 2022-05-12 | 中国港湾工程有限责任公司 | Slurry treatment device for pile foundation construction |
| CN216559154U (en) * | 2021-12-13 | 2022-05-17 | 山东成泽仪表有限公司 | High sensitivity anti-backflow intelligent water meter |
| WO2022120976A1 (en) * | 2020-12-09 | 2022-06-16 | 淄博创立机电科技有限公司 | Environment-friendly water flow filtration device |
| CN217402668U (en) * | 2022-04-25 | 2022-09-09 | 华能洋浦热电有限公司 | Heating device and heating system |
-
2022
- 2022-11-10 CN CN202211404839.2A patent/CN115523972B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140008275A1 (en) * | 2012-07-06 | 2014-01-09 | Sang Ku Lee | Water treatment apparatus integrated with water meter using magnet |
| CN213336303U (en) * | 2020-11-02 | 2021-06-01 | 山东泰全电子有限公司 | High-sensitivity anti-backflow intelligent water meter |
| WO2022095882A1 (en) * | 2020-11-06 | 2022-05-12 | 中国港湾工程有限责任公司 | Slurry treatment device for pile foundation construction |
| WO2022120976A1 (en) * | 2020-12-09 | 2022-06-16 | 淄博创立机电科技有限公司 | Environment-friendly water flow filtration device |
| CN113108631A (en) * | 2021-04-19 | 2021-07-13 | 青岛理工大学 | Heat exchange assembly capable of switching working conditions and heat exchanger |
| CN216283757U (en) * | 2021-06-10 | 2022-04-12 | 河北鑫达钢铁集团有限公司 | Converter gas flow detection device |
| CN113551731A (en) * | 2021-07-20 | 2021-10-26 | 山东远程仪表制造有限公司 | Water meter capable of remotely transmitting data |
| CN216559154U (en) * | 2021-12-13 | 2022-05-17 | 山东成泽仪表有限公司 | High sensitivity anti-backflow intelligent water meter |
| CN217402668U (en) * | 2022-04-25 | 2022-09-09 | 华能洋浦热电有限公司 | Heating device and heating system |
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| Publication number | Publication date |
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| CN115523972B (en) | 2024-01-19 |
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Effective date of registration: 20240228 Address after: Room 204c, block B, Haitai building, 6 Huatian Road, Huayuan Industrial Zone, Binhai New Area, Tianjin Patentee after: Qiyang instrument (Tianjin) Co.,Ltd. Country or region after: China Address before: Jiangsu University, 301 Xuefu Road, Jingkou District, Zhenjiang City, Jiangsu Province 224000 Patentee before: Hu Junxiang Country or region before: China |