CN110864754A - Flow display device convenient to install based on flow monitoring - Google Patents
Flow display device convenient to install based on flow monitoring Download PDFInfo
- Publication number
- CN110864754A CN110864754A CN201911135488.8A CN201911135488A CN110864754A CN 110864754 A CN110864754 A CN 110864754A CN 201911135488 A CN201911135488 A CN 201911135488A CN 110864754 A CN110864754 A CN 110864754A
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- pipe
- water inlet
- flow
- mounting
- display device
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- 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
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
Abstract
The invention provides a flow display device which is based on flow monitoring and convenient to install. The invention provides a flow display device convenient to mount and based on flow monitoring, which comprises a water inlet pipe, a water outlet pipe connected with the water inlet pipe, a flow display instrument, a flow monitor electrically connected with the flow display instrument and a mounting pipe used for connecting the display device, wherein the flow display instrument is arranged on the water inlet pipe; according to the invention, when the mounting pipe is connected with the water inlet pipe, the sealing ring with a sealing function is embedded in the outer wall of the mounting pipe, so that the sealing connection between the mounting pipe and the water inlet pipe is realized by using the sealing ring when the mounting pipe is connected with the water inlet pipe.
Description
Technical Field
The invention relates to the technical field of flow display equipment, in particular to a flow display device convenient to install and based on flow monitoring.
Background
The metering is the eye of industrial production, the flow metering is one of the components of the metering science and technology, has close relation with national economy, national defense construction and scientific research, has important functions on ensuring the product quality, improving the production efficiency and promoting the development of the science and technology, and particularly has more obvious position and function in the national economy at the present of energy crisis and higher industrial production automation degree, and the flow meter means that: meters that indicate the measured flow rate and/or the total amount of fluid in a selected time interval are, in short, meters for measuring the flow rate of fluid in a pipe or open channel.
When a flowmeter is used for monitoring an industrial production process, in order to improve the monitoring effect, the flowmeter and a monitoring instrument are often combined to operate so as to achieve the effect of improving the product quality and the production efficiency. For example, patent application No. 201910064665.1 and publication No. CN109521806A, entitled a remote monitoring system and monitoring method based on a flow meter device, disclose a technical solution for monitoring a flow meter.
When detecting the flowmeter through the monitoring instrument, it is the necessary prerequisite of realizing the monitoring to connect flowmeter and monitoring instrument into the pipeline, but when installing above-mentioned flowmeter, often can not lead to the liquid leakage in the pipeline because of sealed not tight, not only can cause adverse effect to equipment, can influence the accuracy of flow monitoring moreover.
Therefore, there is a need to provide a new flow display device based on flow monitoring, which is easy to install and solves the above technical problems.
Disclosure of Invention
The invention provides a flow display device convenient to install and based on flow monitoring, and solves the technical problem that when the flowmeter is installed, liquid in a pipeline is often leaked due to poor sealing, so that not only is equipment adversely affected, but also the accuracy of flow monitoring is affected.
In order to solve the technical problems, the flow display device based on flow monitoring and convenient to install comprises a water inlet pipe, a water outlet pipe connected with the water inlet pipe, a flow display instrument, a flow monitor electrically connected with the flow display instrument and an installation pipe used for connecting the display device, wherein the flow display instrument is arranged on the water inlet pipe, the flow monitor is arranged on the water outlet pipe, and the water inlet pipe is hermetically connected with the installation pipe;
the water inlet end of the water inlet pipe is provided with a water inlet end pipe, the water inlet pipe penetrates through the water inlet end pipe and extends outwards, and the outer wall of the water inlet end pipe is in threaded connection with a threaded pipe; the inner wall of the water inlet end pipe is rotatably connected with an installation rod which inclines outwards, one end of the installation rod, far away from the water inlet end pipe, is clamped with a sealing ring in a stretching state, the installation rod can be driven by a threaded pipe to rotate, and the end side surface of the installation rod is fixedly provided with a fixed block for attaching the installation pipe;
and one end of the mounting pipe close to the water inlet pipe is provided with a clamping groove for clamping the sealing ring.
Preferably, a button for control is arranged on the side surface of the flow monitor, and the flow monitor is electrically connected with the flow display instrument through a pipeline.
Preferably, the diapire of inlet end pipe is equipped with the installation piece, the fixed axle has set firmly on the installation piece, the installation pole rotates to be connected on the fixed axle, just the installation pole sets up to the outside along the axial slope of inlet tube.
Preferably, the mounting rod is a J-shaped rod, and the bottom end of the mounting rod is sleeved on the fixed shaft through a shaft sleeve.
Preferably, a stiff spring is arranged between the mounting rod and the mounting block, and the stiff spring is sleeved on the outer wall of the fixing shaft.
Preferably, the outer wall of the water inlet end pipe is provided with an external thread, and the inner wall of the threaded pipe is provided with an internal thread matched with the water inlet end pipe.
Preferably, the mounting rod is provided with a mounting groove at one end far away from the water inlet end pipe, and the sealing ring is clamped in the mounting groove.
Preferably, the water inlet pipe and the water outlet pipe are connected through a sealing flange.
Compared with the related art, the flow display device based on flow monitoring and convenient to install has the following beneficial effects:
1. the invention provides a flow display device convenient to install based on flow monitoring, wherein a sealing ring playing a sealing role is embedded on the outer wall of an installation pipe when the installation pipe is connected with a water inlet pipe, so that the installation pipe is connected with the water inlet pipe in a sealing way by utilizing the sealing ring.
2. According to the invention, the bottom wall of the water inlet end pipe is provided with the mounting block, the mounting block is fixedly provided with the fixed shaft, the mounting rod is rotatably connected to the fixed shaft, the fixed rod is driven by the threaded pipe to rotate along the fixed shaft, the sealing ring is released into the clamping groove when the fixed rod is close to the mounting pipe, and the sealing connection between the mounting pipe and the water inlet pipe is realized by utilizing the sealing property of the sealing ring.
3. According to the invention, the stiffening spring is arranged between the mounting rod and the mounting block, the stiffening spring is sleeved on the outer wall of the fixing shaft, the mounting rod is driven by the threaded pipe to rotate on the fixing shaft, and the stiffening spring is arranged, so that the mounting rod is obliquely arranged on the fixing shaft, and the threaded pipe can conveniently push the mounting rod to rotate.
4. According to the invention, the outer wall of the water inlet end pipe is provided with the external thread, the inner wall of the screwed pipe is provided with the internal thread matched with the water inlet end pipe, and the screwed pipe is moved along the outer wall of the water inlet end pipe by utilizing the matching of the internal thread and the external thread, so that the mounting rod is driven.
Drawings
FIG. 1 is a schematic structural diagram of a flow display device for easy installation based on flow monitoring according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the installation pipe, the water inlet pipe and the threaded pipe connection according to the present invention;
FIG. 3 is a second schematic view of the structure of the installation pipe, the water inlet pipe and the threaded pipe connection according to the present invention;
FIG. 4 is a schematic view of the structure of the connection of the mounting rod, the sealing ring and the mounting block of the present invention;
FIG. 5 is a schematic view of the structure of the connection of the mounting rod and the mounting block of the present invention.
Reference numbers in the figures: 1. a water inlet pipe; 2. a water outlet pipe; 3. a flow display instrument; 4. a flow monitor; 5. installing a pipe; 6. a water inlet end pipe; 7. a threaded pipe; 8. mounting a rod; 9. a seal ring; 10. a card slot; 11. A button; 12. mounting blocks; 13. a fixed shaft; 14. a shaft sleeve; 15. a stiff spring; 16. a placing groove; 17. Sealing the flange; 18. and (5) fixing blocks.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Example 1:
please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a flow display device based on flow monitoring and easy to install according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the structure of the installation pipe, the water inlet pipe and the threaded pipe connection according to the present invention; FIG. 3 is a second schematic view of the structure of the installation pipe, the water inlet pipe and the threaded pipe connection according to the present invention; FIG. 4 is a schematic view of the structure of the connection of the mounting rod, the sealing ring and the mounting block of the present invention; FIG. 5 is a schematic view of the structure of the connection of the mounting rod and the mounting block of the present invention. The flow display device based on flow monitoring and convenient to install comprises a water inlet pipe 1, a water outlet pipe 2 connected with the water inlet pipe 1, a flow display instrument 3, a flow monitor 4 electrically connected with the flow display instrument 3 and an installation pipe 5 used for connecting the display device, wherein the flow display instrument 3 is arranged on the water inlet pipe 1, the flow monitor 4 is arranged on the water outlet pipe 2, and the water inlet pipe 1 is hermetically connected with the installation pipe 5;
a water inlet end pipe 6 is arranged at the water inlet end of the water inlet pipe 1, the water inlet pipe 1 penetrates through the water inlet end pipe 6 and extends outwards, and a threaded pipe 7 is connected to the outer wall of the water inlet end pipe 6 in a threaded mode; the inner wall of the water inlet end pipe 6 is rotatably connected with an installation rod 8 which inclines outwards, one end of the installation rod 8, which is far away from the water inlet end pipe 6, is clamped with a sealing ring 9 in a stretching state, the installation rod 8 can be driven by a threaded pipe 7 to rotate, and the end side surface of the installation rod 8 is fixedly provided with a fixed block 18 attached to the installation pipe 5;
and one end of the mounting pipe 5 close to the water inlet pipe 1 is provided with a clamping groove 10 for clamping the sealing ring 9.
The side of flow monitor 4 is equipped with button 11 that is used for control, is convenient for control flow monitor 4 through button 11, just flow monitor 4 is connected with flow display instrument 3 electricity through the pipeline.
Example 2:
please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a flow display device based on flow monitoring and easy to install according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the structure of the installation pipe, the water inlet pipe and the threaded pipe connection according to the present invention; FIG. 3 is a second schematic view of the structure of the installation pipe, the water inlet pipe and the threaded pipe connection of the present invention; FIG. 4 is a schematic view of the structure of the connection of the mounting rod, the sealing ring and the mounting block of the present invention; FIG. 5 is a schematic view of the structure of the connection of the mounting rod and the mounting block of the present invention. The flow display device based on flow monitoring and convenient to install comprises a water inlet pipe 1, a water outlet pipe 2 connected with the water inlet pipe 1, a flow display instrument 3, a flow monitor 4 electrically connected with the flow display instrument 3 and an installation pipe 5 used for connecting the display device, wherein the flow display instrument 3 is arranged on the water inlet pipe 1, the flow monitor 4 is arranged on the water outlet pipe 2, and the water inlet pipe 1 is hermetically connected with the installation pipe 5;
a water inlet end pipe 6 is arranged at the water inlet end of the water inlet pipe 1, the water inlet pipe 1 penetrates through the water inlet end pipe 6 and extends outwards, and a threaded pipe 7 is connected to the outer wall of the water inlet end pipe 6 in a threaded mode; the inner wall of the water inlet end pipe 6 is rotatably connected with an installation rod 8 which inclines outwards, one end of the installation rod 8, which is far away from the water inlet end pipe 6, is clamped with a sealing ring 9 in a stretching state, the installation rod 8 can be driven by a threaded pipe 7 to rotate, and the end side surface of the installation rod 8 is fixedly provided with a fixed block 18 attached to the installation pipe 5;
and one end of the mounting pipe 5 close to the water inlet pipe 1 is provided with a clamping groove 10 for clamping the sealing ring 9.
The side of flow monitor 4 is equipped with button 11 that is used for control, is convenient for control flow monitor 4 through button 11, just flow monitor 4 is connected with flow display instrument 3 electricity through the pipeline.
The diapire of inlet end pipe 6 is equipped with installation piece 12, fixed axle 13 has set firmly on installation piece 12, installation pole 8 rotates to be connected on fixed axle 13, just installation pole 8 sets up to the outside along the axial slope of inlet tube 1, and the installation pole 8 of being convenient for is close to the direction of installation pipe 5 under the drive of screwed pipe 7 to be convenient for release sealing washer 9 in draw-in groove 10 to and conveniently utilize fixed block 18 to fix installation pipe 5.
The mounting rod 8 is specifically a J-shaped rod, the bottom end of the mounting rod 8 is sleeved on the fixed shaft 13 through a shaft sleeve 14, and the shaft sleeve 14 facilitates the rotation of the mounting rod 8 along the fixed shaft 13 under the driving of the threaded pipe 7.
A stiff spring 15 is arranged between the mounting rod 8 and the mounting block 12, the stiff spring 15 is sleeved on the outer wall of the fixing shaft 13, and the stiff spring 15 is favorable for obliquely arranging the mounting rod 8 on the fixing shaft 13, so that the threaded pipe 7 can push the mounting rod 8 to rotate.
The outer wall of inlet pipe 6 has been seted up the external screw thread, the inner wall of screwed pipe 7 is equipped with inlet pipe 6 assorted internal thread to be convenient for screwed pipe 7 along the outer wall spiral removal of inlet pipe 6.
Mounting bar 8 is kept away from the one end of water inlet end pipe 6 and has been seted up resettlement groove 16, sealing washer 9 block is in resettlement groove 16, and the existence of resettlement groove 16 is favorable to arranging sealing washer 9 that is in the expansion state in the top of mounting bar 8.
The water inlet pipe 1 is connected with the water outlet pipe 2 through the sealing flange 17, and the sealing flange 17 is favorable for improving the connection tightness of the water inlet pipe 1 and the water outlet pipe 2.
The flow display device based on flow monitoring and convenient to install provided by the invention has the following working principle:
when the flow display instrument is used, the flow display instrument 3 and the water inlet pipe 1 are integrally formed, the flow monitor 4 and the water outlet pipe 2 are integrally formed, the water inlet pipe 1 and the water outlet pipe 2 are connected in a sealing mode through the sealing flange 17, when the mounting pipe 5 is connected into the flow display instrument 3 and the flow monitor 4, the mounting pipe 5 is connected into one end, outside the water inlet end pipe 6, of the water inlet pipe 1, the sealing ring 9 to be connected is arranged in the arranging groove 16 at the top end of the mounting rod 8, the sealing ring 9 is in an expansion state at the moment, and then the threaded pipe 7 is rotated to enable the threaded pipe 7 to move towards the mounting pipe 5 along the outer wall of the water inlet end pipe 6;
in the process, the threaded pipe 7 drives the mounting rod 8 to rotate along the fixed shaft 13, and when the mounting rod 8 approaches the mounting pipe 5, the sealing ring 9 on the mounting rod gradually shrinks and is finally released into the clamping groove 10 on the outer wall of the mounting pipe 5, so that the sealing effect of the sealing ring 9 is utilized to realize the sealing connection between the mounting pipe 5 and the water inlet pipe 1, and the adverse effect caused by poor sealing is prevented;
meanwhile, the mounting rod 8 is driven by the threaded pipe 7, and the fixing block 18 on the side face of the end of the mounting rod 8 is attached to the side wall of the mounting pipe 5, so that the mounting pipe 5 is fixed, and the stability of connection of the mounting pipe 5 and the water inlet pipe 1 is improved.
Compared with the related art, the flow display device based on flow monitoring and convenient to install has the following beneficial effects:
1. the invention provides a flow display device convenient to install based on flow monitoring, wherein a sealing ring playing a sealing role is embedded on the outer wall of an installation pipe when the installation pipe is connected with a water inlet pipe, so that the installation pipe is connected with the water inlet pipe in a sealing way by utilizing the sealing ring.
2. According to the invention, the bottom wall of the water inlet end pipe is provided with the mounting block, the mounting block is fixedly provided with the fixed shaft, the mounting rod is rotatably connected to the fixed shaft, the fixed rod is driven by the threaded pipe to rotate along the fixed shaft, the sealing ring is released into the clamping groove when the fixed rod is close to the mounting pipe, and the sealing connection between the mounting pipe and the water inlet pipe is realized by utilizing the sealing property of the sealing ring.
3. According to the invention, the stiffening spring is arranged between the mounting rod and the mounting block, the stiffening spring is sleeved on the outer wall of the fixing shaft, the mounting rod is driven by the threaded pipe to rotate on the fixing shaft, and the stiffening spring is arranged, so that the mounting rod is obliquely arranged on the fixing shaft, and the threaded pipe can conveniently push the mounting rod to rotate.
4. According to the invention, the outer wall of the water inlet end pipe is provided with the external thread, the inner wall of the screwed pipe is provided with the internal thread matched with the water inlet end pipe, and the screwed pipe is moved along the outer wall of the water inlet end pipe by utilizing the matching of the internal thread and the external thread, so that the mounting rod is driven.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A flow display device convenient to mount based on flow monitoring comprises a water inlet pipe (1), a water outlet pipe (2) connected with the water inlet pipe (1), a flow display instrument (3), a flow monitor (4) electrically connected with the flow display instrument (3) and a mounting pipe (5) used for connecting the display device, and is characterized in that the flow display instrument (3) is arranged on the water inlet pipe (1), the flow monitor (4) is arranged on the water outlet pipe (2), and the water inlet pipe (1) is hermetically connected with the mounting pipe (5);
a water inlet end pipe (6) is arranged at the water inlet end of the water inlet pipe (1), the water inlet pipe (1) penetrates through the water inlet end pipe (6) and extends outwards, and a threaded pipe (7) is connected to the outer wall of the water inlet end pipe (6) in a threaded mode; the inner wall of the water inlet end pipe (6) is rotatably connected with an installation rod (8) which inclines to the outside, one end, far away from the water inlet end pipe (6), of the installation rod (8) is clamped with a sealing ring (9) in a stretching state, the installation rod (8) can rotate under the driving of a threaded pipe (7), and the side face of the end of the installation rod (8) is fixedly provided with a fixing block (18) attached to an installation pipe (5);
and one end of the mounting pipe (5) close to the water inlet pipe (1) is provided with a clamping groove (10) for clamping the sealing ring (9).
2. Flow monitoring based easy-to-install flow display device according to claim 1, characterized in that the side of the flow monitor (4) is provided with a button (11) for control, and the flow monitor (4) is electrically connected with the flow display instrument (3) through a pipeline.
3. The flow rate monitoring-based flow rate display device convenient to mount according to claim 1, wherein the bottom wall of the water inlet end pipe (6) is provided with a mounting block (12), a fixed shaft (13) is fixedly arranged on the mounting block (12), the mounting rod (8) is rotatably connected to the fixed shaft (13), and the mounting rod (8) is obliquely arranged outwards along the axial direction of the water inlet pipe (1).
4. The flow rate monitoring based flow rate display device convenient to install according to claim 3, wherein the installation rod (8) is a J-shaped rod, and the bottom end of the installation rod (8) is sleeved on the fixed shaft (13) through a shaft sleeve (14).
5. The flow rate monitoring based flow rate display device convenient to install according to claim 3, wherein a stiff spring (15) is arranged between the installation rod (8) and the installation block (12), and the stiff spring (15) is sleeved on the outer wall of the fixed shaft (13).
6. The flow display device convenient to install and based on flow monitoring as claimed in claim 1, wherein the outer wall of the water inlet pipe (6) is provided with external threads, and the inner wall of the threaded pipe (7) is provided with internal threads matched with the water inlet pipe (6).
7. The flow display device convenient to mount based on flow monitoring as claimed in claim 1, wherein a mounting groove (16) is formed in one end of the mounting rod (8) far away from the water inlet end pipe (6), and the sealing ring (9) is clamped in the mounting groove (16).
8. Flow monitoring based easy to install flow display device according to claim 1, characterized in that the inlet pipe (1) and the outlet pipe (2) are connected by a sealing flange (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911135488.8A CN110864754B (en) | 2019-11-19 | 2019-11-19 | Flow display device convenient to install based on flow monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911135488.8A CN110864754B (en) | 2019-11-19 | 2019-11-19 | Flow display device convenient to install based on flow monitoring |
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| CN110864754A true CN110864754A (en) | 2020-03-06 |
| CN110864754B CN110864754B (en) | 2020-11-27 |
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| JP2002214004A (en) * | 2001-01-19 | 2002-07-31 | Tokyo Gas Co Ltd | Flow meter and inner tube leak displaying control method |
| CN202204623U (en) * | 2011-09-06 | 2012-04-25 | 北京圭利电子科技有限公司 | Energy metering system used for large-scale region |
| CN102767681A (en) * | 2012-07-17 | 2012-11-07 | 苏州原点工业设计有限公司 | Flow meter display with fixing bracket |
| WO2016042516A1 (en) * | 2014-09-18 | 2016-03-24 | Arad Measuring Technologies Ltd. | Utility meter having a meter register utilizing a multiple resonance antenna |
| CN205280154U (en) * | 2015-10-16 | 2016-06-01 | 3M材料技术（广州）有限公司 | Flow sensor , flow -monitoring device and screening system |
| CN205449207U (en) * | 2016-03-16 | 2016-08-10 | 江苏金工科技集团有限公司 | Can take out from formula turbine flowmeter |
| CN205642509U (en) * | 2016-05-19 | 2016-10-12 | 江西百川水表有限公司 | Domestic water gauge with remote control function |
| CN205691176U (en) * | 2016-05-27 | 2016-11-16 | 润泰化学股份有限公司 | A kind of can data transmission pipeline section type ultrasonic flowmeter |
| CN207233183U (en) * | 2017-06-09 | 2018-04-13 | 吴乔男 | A kind of intelligent monitoring device using remote monitoring modules |
| CN207439481U (en) * | 2017-11-09 | 2018-06-01 | 广州天幸机电设备有限公司 | A kind of finned ultrasonic flow sensor |
| CN208043167U (en) * | 2018-04-23 | 2018-11-02 | 南京交通职业技术学院 | A kind of equipment for traffic monitoring |
-
2019
- 2019-11-19 CN CN201911135488.8A patent/CN110864754B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002214004A (en) * | 2001-01-19 | 2002-07-31 | Tokyo Gas Co Ltd | Flow meter and inner tube leak displaying control method |
| CN202204623U (en) * | 2011-09-06 | 2012-04-25 | 北京圭利电子科技有限公司 | Energy metering system used for large-scale region |
| CN102767681A (en) * | 2012-07-17 | 2012-11-07 | 苏州原点工业设计有限公司 | Flow meter display with fixing bracket |
| WO2016042516A1 (en) * | 2014-09-18 | 2016-03-24 | Arad Measuring Technologies Ltd. | Utility meter having a meter register utilizing a multiple resonance antenna |
| CN205280154U (en) * | 2015-10-16 | 2016-06-01 | 3M材料技术（广州）有限公司 | Flow sensor , flow -monitoring device and screening system |
| CN205449207U (en) * | 2016-03-16 | 2016-08-10 | 江苏金工科技集团有限公司 | Can take out from formula turbine flowmeter |
| CN205642509U (en) * | 2016-05-19 | 2016-10-12 | 江西百川水表有限公司 | Domestic water gauge with remote control function |
| CN205691176U (en) * | 2016-05-27 | 2016-11-16 | 润泰化学股份有限公司 | A kind of can data transmission pipeline section type ultrasonic flowmeter |
| CN207233183U (en) * | 2017-06-09 | 2018-04-13 | 吴乔男 | A kind of intelligent monitoring device using remote monitoring modules |
| CN207439481U (en) * | 2017-11-09 | 2018-06-01 | 广州天幸机电设备有限公司 | A kind of finned ultrasonic flow sensor |
| CN208043167U (en) * | 2018-04-23 | 2018-11-02 | 南京交通职业技术学院 | A kind of equipment for traffic monitoring |
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| CN110864754B (en) | 2020-11-27 |
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