CN112213517A - Water flow indicator capable of electronic display - Google Patents
Water flow indicator capable of electronic display Download PDFInfo
- Publication number
- CN112213517A CN112213517A CN202010834181.3A CN202010834181A CN112213517A CN 112213517 A CN112213517 A CN 112213517A CN 202010834181 A CN202010834181 A CN 202010834181A CN 112213517 A CN112213517 A CN 112213517A
- Authority
- CN
- China
- Prior art keywords
- valve body
- water flow
- flow indicator
- block
- impeller
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000009434 installation Methods 0.000 claims abstract description 34
- 239000011521 glass Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 chemical engineering Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
- G01P5/06—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes
- G01P5/065—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes with mechanical coupling to the indicating device
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
- G01P5/06—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes
- G01P5/07—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes with electrical coupling to the indicating device
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
Abstract
The invention discloses a water flow indicator capable of being electronically displayed, which comprises a valve body, wherein a first installation block is arranged on the front surface of the valve body, the first installation block is annular, an observation window is arranged in the middle of the first installation block, a second installation block is arranged on the back surface of the valve body, the second installation block is annular, a water inlet pipe is arranged on one side of the valve body, a water outlet pipe is arranged on the other side of the valve body, the water inlet pipe and the water outlet pipe are both communicated with the inside of the valve body, a first connecting block is fixedly arranged on the front surface of the second installation block, a bearing is arranged on one side surface of the first connecting block, the bearing is rotationally connected with the first connecting block, an impeller mechanism is arranged on the side surface of; through setting up rotational speed inductor, electronic display screen and signal receiver, the rotational speed inductor gives signal receiver with signal transmission, and signal receiver gives electronic display screen with signal transmission, shows rivers numerical value on the electronic display screen.
Description
Technical Field
The invention relates to the technical field of water flow indicators, in particular to a water flow indicator capable of being electronically displayed.
Background
The water flow indicator belongs to a sight glass instrument valve, is suitable for industrial production pipelines such as petroleum, chemical engineering, chemical fiber, medicine, food, power plants, pumps and the like, can observe the turbidity of media such as liquid, gas, steam and the like at any time through a window and measure the flow speed reaction condition of the media, is one of indispensable pipeline accessories for ensuring normal production and ensuring the product quality, and has a threaded connection mode; a flange type; the welding type water flow indicator can also be used for an automatic water spraying fire extinguishing system, can be arranged on the side surface of a main water supply pipe or a cross rod water pipe, provides an electric signal for water flow of a small area in a certain subarea, can be sent to an electric cabinet, but is not used as a control switch for starting a fire-fighting water pump generally.
The water flow indicator is installed on the side of the spraying pipeline in a protected area and monitors the water flow, and when the water flow indicator is used, the flowing water impacts the impeller, and the rotation condition of the impeller is observed through the glass window so as to judge the flowing condition of the water. In practical applications, a problem is often encountered: flowing water is when assaulting the impeller, and easy sputter, when falling to the glass window, produce water smoke easily, increase the degree of difficulty for observing that the impeller rotates, also can not be accurate understand the size of water flow velocity to, when the glass window receives the pollution, also be convenient for see the inside water flow velocity size of water flow indicator clearly, consequently, but we have proposed a water flow indicator that can electronic display.
Disclosure of Invention
The invention aims to solve the problems that the prior art can not accurately know the water flow speed and the water flow speed inside a water flow indicator can not be clearly seen when a glass window is polluted, and provides an electronically displayed water flow indicator which has the effect of conveniently seeing the water flow speed inside the water flow indicator.
In order to achieve the purpose, the invention provides the following technical scheme: a water flow indicator capable of being displayed electronically comprises a valve body, wherein a first installation block is arranged on the front side of the valve body, the first installation block is annular, an observation window is arranged in the middle of the first installation block, a second installation block is arranged on the back side of the valve body, the second installation block is annular, a water inlet pipe is arranged on one side of the valve body, a water outlet pipe is arranged on the other side of the valve body, the water inlet pipe and the water outlet pipe are both communicated with the inside of the valve body, a first connecting block is fixedly arranged on the front side of the second installation block, a bearing is arranged on one side face of the first connecting block, the bearing is rotatably connected with the first connecting block, an impeller catch is arranged on the side face of the bearing, an impeller mechanism is arranged on the side face of the impeller catch, the impeller mechanism comprises a rotating shaft, a cylindrical roller, a rotating, the cylindrical roller is characterized in that a plurality of impeller blades are arranged on the outer side of the cylindrical roller, an electronic display screen is arranged above the valve body, and a signal receiver is arranged on the side face of the electronic display screen.
As a preferred technical scheme, a plurality of screw holes are formed in the first mounting block and the second mounting block, screws are arranged in the screw holes, and the first mounting block and the second mounting block are fixedly connected to the valve body through the screws.
As a preferred technical scheme of the invention, a sealing ring is arranged at the joint of the first mounting block and the valve body, and a sealing ring is arranged at the joint of the second mounting block and the valve body.
As a preferred technical scheme, a first groove is formed in the bearing, a connecting block is fixedly arranged on one side of the impeller retaining piece, and a second connecting block is fixedly arranged in the first groove.
As a preferable technical scheme of the invention, the observation window is made of colorless transparent glass.
As a preferable technical scheme of the invention, the pipe orifices of the water inlet pipe and the water outlet pipe are both provided with thread grooves.
As a preferable technical solution of the present invention, a waterproof membrane is disposed on a surface of the rotation speed sensor.
As a preferred technical solution of the present invention, a bolt is disposed on one side of the signal receiver, and the signal receiver is fixedly connected to the electronic display screen through the bolt.
As a preferable technical scheme of the invention, the surfaces of the valve body, the first mounting block, the second mounting block, the water inlet pipe and the water outlet pipe are coated with antirust paint.
As a preferable technical scheme of the invention, one side of the impeller baffle plate is provided with a second groove, and the impeller baffle plate is fixedly connected to the impeller mechanism through the second groove.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the impeller mechanism and the impeller baffle plate, the water flow can drive the impeller baffle plate so as to drive the impeller mechanism to rotate, and the water flow speed can be seen from the observation window; through setting up rotational speed inductor, electronic display screen and signal receiver, the rotational speed inductor is given signal transmission to signal receiver, shows the rotational speed on the electronic display screen, and is succinct clear.
2. By arranging the screw hole, when the interior of the water flow indicator is blocked, the mounting block I and the mounting block II can be opened through the screw hole to overhaul the interior; through setting up the sealing washer for the inside water of rivers indicator can not flow to the outside.
3. The observation window is made of colorless transparent glass, so that the condition of the water quality of the internal water flow can be seen through the observation window; the waterproof membrane is arranged, so that the rotating speed sensor is well protected from water flow, and a protection effect is achieved; through scribbling the anti-rust paint, avoid rivers indicator to meet water and take place to corrode, increase its chemical life.
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 specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a perspective view of an electronically displayable water flow indicator according to the present invention;
FIG. 2 is a perspective cross-sectional view of an electronically displayable water flow indicator in accordance with the present invention;
FIG. 3 is a perspective view of a blade wheel mechanism of an electronically displayable water flow indicator in accordance with the present invention;
fig. 4 is an enlarged view of a portion a of an electronically displayable water flow indicator according to the present invention.
Description of the reference numerals
1. A valve body; 2. a first mounting block; 3. a second mounting block; 4. a water inlet pipe; 5. a water outlet pipe; 6. a thread groove; 7. a screw hole; 8. a screw; 9. an observation window; 10. an impeller mechanism; 11. a rotating shaft; 12. a cylindrical roll; 13. impeller blades; 14. a rotational speed sensor; 15. a seal ring; 16. an impeller baffle plate; 17. a second groove; 18. a first connecting block; 19. a bearing; 20. a first groove; 21. a second connecting block; 22. an electronic display screen; 23. a signal receiver; 24. and (4) bolts.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, an electronic display water flow indicator comprises a valve body 1, a first installation block 2 is arranged on the front side of the valve body 1, the first installation block 2 is annular, an observation window 9 is arranged in the middle of the first installation block 2, a second installation block 3 is arranged on the back side of the valve body 1, the second installation block 3 is annular, a water inlet pipe 4 is arranged on one side of the valve body 1, a water outlet pipe 5 is arranged on the other side of the valve body 1, the water inlet pipe 4 and the water outlet pipe 5 are both communicated with the inside of the valve body 1, a first connection block 18 is fixedly arranged on the front side of the second installation block 3, a bearing 19 is arranged on the side of the first connection block 18, the bearing 19 is rotatably connected with the first connection block 18, an impeller retaining sheet 16 is arranged on the side of the bearing 19, an impeller mechanism 10 is arranged on the side of, a rotating speed sensor 14 is embedded in the cylindrical roller 12, a plurality of impeller blades 13 are arranged on the outer side of the cylindrical roller 12, an electronic display screen 22 is arranged above the valve body 1, and a signal receiver 23 is arranged on the side surface of the electronic display screen 22. By arranging the impeller mechanism 10 and the impeller baffle 16, water flow can drive the impeller baffle 16, so that the impeller mechanism 10 is driven to rotate, and the water flow velocity can be seen from the observation window 9; through setting up rotational speed inductor 14, electronic display screen 22 and signal receiver 23, the rotational speed inductor gives signal transmission to signal receiver 23 with 14 signals, shows rivers rotational speed numerical value on electronic display screen 22, and is succinct clear.
Preferably, a plurality of screw hole 7 has all been seted up to installation piece one 2 and installation piece two 3 insides, the inside screw 8 that is provided with of screw hole 7, installation piece one 2 and installation piece two 3 all are through screw 8 fixed connection in valve body 1, installation piece one 2 is provided with sealing washer 15 with the 1 junction of valve body, installation piece two 3 is provided with sealing washer 15 with the 1 junction of valve body, 19 inside recess one 20 of seting up of bearing, impeller separation blade 16 one side is fixed and is provided with connecting block two 21, connecting block two 21 is fixed to be set up in recess one 20, observation window 9 is the colorless transparent glass material. By arranging the screw hole 7, when the interior of the water flow indicator is blocked, the first mounting block 2 and the second mounting block 3 can be opened through the screw hole 7 to overhaul the interior; by providing the seal ring 15, water inside the water flow indicator does not leak to the outside.
Preferably, the observation window 9 is colorless transparent glass material, the mouth of pipe of inlet tube 4 and outlet pipe 5 all is provided with thread groove 6, 14 surfaces of rotational speed inductor are provided with the waterproofing membrane, 23 one sides of signal receiver are provided with bolt 24, signal receiver 23 passes through bolt 24 fixed connection in electronic display screen, 22 valve body 1, installation piece one 2, installation piece two 3, the surface of inlet tube 4 and outlet pipe 5 all is scribbled the anti-rust paint, impeller separation blade 16 one side is provided with recess two 17, impeller separation blade 16 passes through recess two 17 fixed connection in impeller mechanism 10. The observation window 9 is made of colorless transparent glass, so that the condition of the water quality of the internal water flow can be seen through the observation window; the waterproof membrane is arranged, so that the rotating speed sensor is well protected from water flow, and a protection effect is achieved; through scribbling the anti-rust paint, avoid rivers indicator to meet water and take place to corrode, increase its chemical life.
When the water flow indicator is used, the water inlet pipe 4 and the water outlet pipe 5 are connected to a water pipe through the thread groove 6, water flow in the water pipe impacts the impeller blocking piece 4, the impeller blocking piece 4 rotates to drive the impeller mechanism 10 to rotate, the rotating speed sensor 14 in the impeller mechanism 10 senses rotation and generates signals to be transmitted to the signal receiver 23, the signal receiver 23 receives the signals and transmits the signals to the electronic display screen 22, specific numerical values of the rotating speed of the water flow are displayed on the electronic display screen 22, the water quality condition of the water flow can be observed through the observation window 9, if the inside is blocked, the water inlet pipe 4 and the water outlet pipe 5 are detached from the water pipe through the thread groove 6, the mounting block I2 and the mounting block II 3 are detached through screwing the screw 8 to overhaul the inside, water in the water flow indicator cannot be exposed to the outside through the sealing ring 15, the waterproof membrane is arranged, and the rotating speed sensor is, the protective effect is achieved; through scribbling the anti-rust paint, avoid rivers indicator to meet water and take place to corrode, increase its chemical life.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (10)
1. A water flow indicator capable of electronic display, comprising a valve body (1), characterized in that: the valve body (1) is positively provided with a first installation block (2), the first installation block (2) is annular, an observation window (9) is arranged in the middle of the first installation block (2), a second installation block (3) is arranged on the back surface of the valve body (1), the second installation block (3) is annular, a water inlet pipe (4) is arranged on one side of the valve body (1), a water outlet pipe (5) is arranged on the other side of the valve body (1), the water inlet pipe (4) and the water outlet pipe (5) are communicated with the inside of the valve body (1), a first connection block (18) is fixedly arranged on the front surface of the second installation block (3), a bearing (19) is arranged on the side surface of the first connection block (18), the bearing (19) is rotationally connected with the first connection block (18), an impeller retaining piece (16) is arranged on the side surface of the bearing (19), an impeller retaining piece, the impeller mechanism (10) comprises a rotating shaft (11), a cylindrical roller (12), a rotating speed sensor (14) and a plurality of impeller blades (13), the rotating shaft (11) is sleeved with the cylindrical roller (12), the rotating speed sensor (14) is embedded in the cylindrical roller (12), the impeller blades (13) are arranged on the outer side of the cylindrical roller (12), an electronic display screen (22) is arranged above the valve body (1), and a signal receiver (23) is arranged on the side face of the electronic display screen (22).
2. The electronically displayable water flow indicator of claim 1, wherein: the valve body (1) is characterized in that the first mounting block (2) and the second mounting block (3) are internally provided with a plurality of screw holes (7), screws (8) are arranged in the screw holes (7), and the first mounting block (2) and the second mounting block (3) are fixedly connected with the valve body (1) through the screws (8).
3. The electronically displayable water flow indicator of claim 1, wherein: the mounting block I (2) and the valve body (1) are provided with a sealing ring (15) at the joint, and the mounting block II (3) and the valve body (1) are provided with a sealing ring (15) at the joint.
4. The electronically displayable water flow indicator of claim 1, wherein: a first groove (20) is formed in the bearing (19), a second connecting block (21) is fixedly arranged on one side of the impeller baffle (16), and the second connecting block (21) is fixedly arranged in the first groove (20).
5. The electronically displayable water flow indicator of claim 1, wherein: the observation window (9) is made of colorless transparent glass.
6. The electronically displayable water flow indicator of claim 1, wherein: the pipe orifices of the water inlet pipe (4) and the water outlet pipe (5) are provided with thread grooves (6).
7. The electronically displayable water flow indicator of claim 1, wherein: and a waterproof membrane is arranged on the surface of the rotating speed sensor (14).
8. The electronically displayable water flow indicator of claim 1, wherein: and a bolt (24) is arranged on one side of the signal receiver (23), and the signal receiver (23) is fixedly connected to the electronic display screen (22) through the bolt (24).
9. The electronically displayable water flow indicator of claim 1, wherein: the valve body (1), installation piece (2) installation piece two (3) inlet tube (4) with outlet pipe (5) surface all is scribbled the anti-rust paint.
10. The electronically displayable water flow indicator of claim 1, wherein: one side of the impeller baffle plate (16) is provided with a second groove (17), and the impeller baffle plate (16) is fixedly connected to the impeller mechanism (10) through the second groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834181.3A CN112213517B (en) | 2020-08-19 | 2020-08-19 | Water flow indicator capable of being displayed electronically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834181.3A CN112213517B (en) | 2020-08-19 | 2020-08-19 | Water flow indicator capable of being displayed electronically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112213517A true CN112213517A (en) | 2021-01-12 |
| CN112213517B CN112213517B (en) | 2024-04-05 |
Family
ID=74058866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010834181.3A Active CN112213517B (en) | 2020-08-19 | 2020-08-19 | Water flow indicator capable of being displayed electronically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112213517B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113785682A (en) * | 2021-09-15 | 2021-12-14 | 湖南怡田美农业科技有限公司 | Nozzle and herbicide spraying device for synchronous transplanting of rice transplanter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004251793A (en) * | 2003-02-21 | 2004-09-09 | Myotoku Ltd | Flow indicator |
| CN201654061U (en) * | 2009-11-19 | 2010-11-24 | 江门市保值久机电有限公司 | Water flow indicator of cooling system |
| CN204067182U (en) * | 2014-09-15 | 2014-12-31 | 天津弘凯仪表控制系统科技有限公司 | A kind of intelligent water flow indicator |
| CN205120735U (en) * | 2015-10-28 | 2016-03-30 | 浙江龙鼎消防器材有限公司 | Electronic display formula water flow indicator |
| KR20160045379A (en) * | 2014-10-17 | 2016-04-27 | 삼창비에프 주식회사 | Water flowing indicator having a opening and closing display lamp |
| CN205781311U (en) * | 2016-07-07 | 2016-12-07 | 温州罗斯蒙机械科技有限公司 | A kind of water flow indicator |
| CN208654145U (en) * | 2018-08-17 | 2019-03-26 | 福建省贵峰消防科技有限公司 | A kind of water flow indicator having warning function |
-
2020
- 2020-08-19 CN CN202010834181.3A patent/CN112213517B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004251793A (en) * | 2003-02-21 | 2004-09-09 | Myotoku Ltd | Flow indicator |
| CN201654061U (en) * | 2009-11-19 | 2010-11-24 | 江门市保值久机电有限公司 | Water flow indicator of cooling system |
| CN204067182U (en) * | 2014-09-15 | 2014-12-31 | 天津弘凯仪表控制系统科技有限公司 | A kind of intelligent water flow indicator |
| KR20160045379A (en) * | 2014-10-17 | 2016-04-27 | 삼창비에프 주식회사 | Water flowing indicator having a opening and closing display lamp |
| CN205120735U (en) * | 2015-10-28 | 2016-03-30 | 浙江龙鼎消防器材有限公司 | Electronic display formula water flow indicator |
| CN205781311U (en) * | 2016-07-07 | 2016-12-07 | 温州罗斯蒙机械科技有限公司 | A kind of water flow indicator |
| CN208654145U (en) * | 2018-08-17 | 2019-03-26 | 福建省贵峰消防科技有限公司 | A kind of water flow indicator having warning function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113785682A (en) * | 2021-09-15 | 2021-12-14 | 湖南怡田美农业科技有限公司 | Nozzle and herbicide spraying device for synchronous transplanting of rice transplanter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112213517B (en) | 2024-04-05 |
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