CN111473832A - Internal pressure measuring method and internal pressure measuring device of electromagnetic water meter - Google Patents
Internal pressure measuring method and internal pressure measuring device of electromagnetic water meter Download PDFInfo
- Publication number
- CN111473832A CN111473832A CN202010324890.7A CN202010324890A CN111473832A CN 111473832 A CN111473832 A CN 111473832A CN 202010324890 A CN202010324890 A CN 202010324890A CN 111473832 A CN111473832 A CN 111473832A
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- Prior art keywords
- pressure
- water meter
- pressure sensor
- signal conversion
- conversion controller
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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
- G01F15/14—Casings, e.g. of special material
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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
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0061—Electrical connection means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/086—Means for indicating or recording, e.g. for remote indication for remote indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/147—Details about the mounting of the sensor to support or covering means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/148—Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the field of electromagnetic water meters, in particular to an internal pressure taking method and an internal pressure taking device of an electromagnetic water meter, wherein the internal pressure taking device of the electromagnetic water meter comprises a water meter body, a fixing frame, a battery box, a signal conversion controller and a pressure sensor; an internal pressure tapping method of an electromagnetic water meter, the method comprising: s1, arranging the pressure sensor in the water meter body and connecting the pressure sensor with the signal conversion controller; s2, coating a rubber lining in the pipeline of the water meter body; s3, connecting the upper end of the pressure taking connecting pipe with a pressure sensor; s4, inserting the pressure taking electrode into the rubber lining and connecting the pressure taking and connecting pipe; by adopting the invention, the external battery box is convenient for replacing and overhauling the power supply, the pressure sensor built in the upper end of the inside of the water meter body is not easy to damage, the pressure taking connecting pipe and the pressure taking electrode are matched to form a split pressure taking assembly, and when the pressure sensor needs to be replaced and overhauled, the whole machine is not required to be disassembled; certain protection is ensured, and the repair cannot be carried out.
Description
Technical Field
The invention relates to the field of electromagnetic water meters, in particular to an internal pressure measuring method and an internal pressure measuring device of an electromagnetic water meter.
Background
With the gradual improvement of the reliability performance of electronic products, the defects of operation and convenience of mechanical products are gradually reflected. In recent years, the electromagnetic water meter gradually replaces a mechanical water meter, and the functions of the electromagnetic water meter are more and more. Pipeline pressure sensing is one of the main items.
The pressure measurement mode of pipeline pressure detection is basically divided into internal pressure measurement and external pressure measurement.
The internal pressure measurement is mainly that a pressure sensor is arranged in a sensor and is transmitted to a terminal after being processed by an electronic component. The advantages are that: the appearance is not influenced, the protection level is high, the volume is small, and the whole structure is not influenced; the disadvantages are as follows: the pressure sensor cannot be repaired or replaced after being damaged.
The external pressure measurement is to add a pressure measurement hole or a related device from the outside of the sensor, and transmit signals to the converter/controller through an external conduit for processing. The advantages are that: convenient replacement and quick repair. The disadvantages are as follows: large appearance transformation, poor product interchangeability and poor protection grade.
Disclosure of Invention
The invention aims to provide a pressure measuring device which does not affect the appearance, has higher protection grade, is convenient to replace and has strong protection performance, and a method for realizing internal pressure measurement.
The technical scheme of the invention is as follows:
an internal pressure taking device of an electromagnetic water meter comprises a water meter body, a fixing frame, a battery box, a signal conversion controller, a pressure taking electrode and a pressure sensor;
the inner wall of the pipeline of the water meter body is coated with a rubber lining; the fixing frame is fixed on the shell of the water meter body, and the battery box and the signal conversion controller are both fixed on the fixing frame; the pressure sensor is arranged in the water meter body, the upper end of the pressure sensor is connected with the signal conversion controller, and the lower end of the pressure sensor is connected with the pressure taking and connecting pipe; the pressure measuring electrode penetrates through the rubber lining and is connected with the pressure measuring connecting pipe;
the pressure sensor and the signal conversion controller are electrically connected with the battery box.
Furthermore, the rubber lining, the pressure measuring electrode and the pressure measuring connecting pipe are all filled and bonded by epoxy resin.
Furthermore, potting silicone gel is used for filling and bonding between the pressure sensor and the signal conversion controller.
Further, the pressure sensor is connected with a signal conversion controller, and a signal antenna is arranged in the signal conversion controller.
An internal pressure tapping method of an electromagnetic water meter, the method comprising:
s1, arranging the pressure sensor in the water meter body and connecting the pressure sensor with the signal conversion controller;
s2, coating a rubber lining in the pipeline of the water meter body;
s3, connecting the upper end of the pressure taking connecting pipe with a pressure sensor;
and S4, inserting the pressure taking electrode into the rubber lining and connecting the pressure taking pipe.
Further, the rubber lining, the pressure taking electrode and the pressure taking connecting pipe in the S2, the S3 and the S4 are all filled and bonded by epoxy resin.
Further, in S1, a potting silicone gel is used to fill and bond the pressure sensor and the signal conversion controller.
Furthermore, when the pressure sensor needs to be overhauled and maintained, the encapsulation silicone gel is removed, and after treatment and maintenance, encapsulation is carried out again.
Compared with the prior art, the invention has the following beneficial effects:
in the embodiment of the invention, the fixing frame is fixed on the water meter body, the battery box and the signal converter are externally fixed on the fixing frame, the inner wall of the pipeline of the water meter body adopts the rubber lining, so that the water meter body has good waterproof performance, and the pressure sensor in the water meter body can work efficiently;
by adopting the invention, the external battery box is convenient for replacing and overhauling the power supply, the specification can be selected according to the requirement, the pressure sensor arranged at the upper end inside the water meter body is not easy to damage, the pressure taking connecting pipe and the pressure taking electrode are matched to form the split pressure taking assembly, and when the pressure sensor needs to be replaced and overhauled, the whole machine is not needed to be disassembled; certain protection is ensured, and the repair cannot be carried out.
Drawings
Fig. 1 is a schematic view of an internal pressure measuring device of an electromagnetic water meter according to the present invention, partially in cross-section;
fig. 2 is a side view of an internal pressure tapping fitting of an electromagnetic water meter in accordance with the present invention;
reference numerals: 1-water meter body, 2-fixing frame, 3-battery box, 4-signal conversion controller, 5-pressure sensor, 6-pressure taking connecting pipe, 7-pressure taking electrode, 8-epoxy resin, 9-rubber lining and 10-encapsulating silicone gel.
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.
Referring to fig. 1-2, the water meter comprises a water meter body 1, a fixing frame 2, a battery box 3, a signal conversion controller 4, a pressure taking electrode 7 and a pressure sensor 5;
the inner wall of the pipeline of the water meter body 1 is coated with a rubber lining 9; the fixing frame 2 is fixed on the shell of the water meter body 1, and the battery box 3 and the signal conversion controller 4 are both fixed on the fixing frame 2; the pressure sensor 5 is arranged in the water meter body 1, the upper end of the pressure sensor 5 is connected with the signal conversion controller 4, and the lower end of the pressure sensor 5 is connected with the pressure-taking connection pipe 6; the pressure measuring electrode 7 penetrates through the rubber lining 9 and is connected with the pressure measuring connecting pipe 6;
the pressure sensor 5 and the signal conversion controller 4 are both electrically connected with the battery box 3.
In the embodiment of the invention, a fixing frame 2 is fixed on a water meter body 1, a battery box 3 and a signal converter 4 are externally fixed on the fixing frame 2, the inner wall of a pipeline of the water meter body 1 adopts a rubber lining 9, so that the water meter has good waterproof performance, the pressure sensor 5 in the water meter body 1 can work efficiently, the upper end of the pressure sensor 5 is connected with a signal conversion controller, the lower end of the pressure sensor 5 is connected with a pressure taking connecting pipe 6, a pressure taking electrode 7 penetrates through the rubber lining 9 and is connected with the pressure taking connecting pipe 6, the pressure taking electrode 7 arranged in the pipeline of the water meter body 1 is not easy to damage, the pressure taking connecting pipe 6 is arranged separately, when the pressure sensor 5 has a fault, the whole device is not required to be disassembled, and only the pressure;
by adopting the invention, the external battery box 3 is convenient for replacing and overhauling a power supply, specification selection can be carried out according to requirements, the pressure sensor 5 which is arranged at the upper end inside the water meter body 1 is not easy to damage, and a pressure taking connecting pipe 6 and a pressure taking electrode 7 are matched to form a split type pressure taking assembly, when the pressure sensor 5 needs to be replaced and overhauled, the whole machine is not needed to be disassembled; certain protection is ensured, and the repair cannot be carried out.
Furthermore, the rubber lining 9, the pressure taking electrode 7 and the pressure taking connecting pipe 6 are filled and bonded by epoxy resin 8;
in this embodiment, adopt epoxy 8 to fill the bonding, epoxy 8 fillibility is better with the adhesion, and hardness is optional, can easily dig out, and the later maintenance of being convenient for is dismantled.
Further, the pressure sensor 5 and the signal conversion controller 4 are in filling adhesion by using potting silicone gel 10;
in this embodiment, the potting silicone gel 10 is a common jelly glue, which is not easy to mildew, deform and foam, and has hot melt property, and when the pressure sensor 5 needs to be overhauled and maintained, the silicone gel can be heated and dissolved, and after operation, the silicone gel can be filled and sealed again, and the appearance of the electromagnetic water meter is not changed.
Further, the pressure sensor 5 is connected with the signal conversion controller 4, and a signal antenna is arranged in the signal conversion controller;
in this embodiment, the pressure sensor 5 is responsible for collecting the pipeline pressure of the water meter body 1, and after the signal conversion controller 4 converts the signal, the signal can be sent to a nearby receiving terminal through a built-in antenna, so as to complete the remote monitoring of the pipeline pressure test and realize the internal pressure-taking overall scheme.
An internal pressure tapping method of an electromagnetic water meter, the method comprising:
s1, arranging the pressure sensor 5 in the water meter body 1 and connecting the pressure sensor with the signal conversion controller 4;
s2, coating a rubber lining 9 in the pipeline of the water meter body 1;
s3, connecting the upper end of the pressure taking connecting pipe 6 with the pressure sensor 5;
and S4, inserting the pressure taking electrode 7 into the rubber lining 9 and connecting the pressure taking connecting pipe 6.
Further, the rubber lining 9, the pressure tapping electrode 7 and the pressure tapping pipe 6 in the steps S2, S3 and S4 are all filled and bonded by using epoxy resin 8.
Further, in S1, the potting silicone gel 10 is used to fill and bond the pressure sensor 5 and the signal conversion controller 4.
Further, the potting silicone gel 10 is removed when the pressure sensor 5 needs to be overhauled and maintained, and the potting is carried out again after the treatment and maintenance.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. An internal pressure taking device of an electromagnetic water meter is characterized by comprising a water meter body (1), a fixing frame (2), a battery box (3), a signal conversion controller (4), a pressure taking electrode (7) and a pressure sensor (5);
the inner wall of the pipeline of the water meter body (1) is coated with a rubber lining (9); the fixing frame (2) is fixed on the shell of the water meter body (1), and the battery box (3) and the signal conversion controller (4) are fixed on the fixing frame (2); the pressure sensor (5) is arranged in the water meter body (1), the upper end of the pressure sensor (5) is connected with the signal conversion controller (4), and the lower end of the pressure sensor is connected with the pressure connection pipe (6); the pressure measuring electrode (7) penetrates through the rubber lining (9) to be connected with the pressure measuring connecting pipe (6);
the pressure sensor (5) and the signal conversion controller (4) are electrically connected with the battery box (3).
2. An internal pressure tapping device of an electromagnetic water meter as claimed in claim 1, wherein said rubber lining (9), said pressure tapping electrode (7) and said pressure tapping pipe (6) are filled and bonded by epoxy resin (8).
3. An internal pressure tapping device for an electromagnetic water meter as claimed in claim 1, wherein said pressure sensor (5) is attached to said signal conversion controller (4) by filling with potting silicone gel (10).
4. An internal pressure tapping device of an electromagnetic water meter as claimed in claim 1, wherein said pressure sensor (5) is connected to a signal conversion controller (4), and said signal conversion controller (4) has a signal antenna built therein.
5. An internal pressure tapping method for an electromagnetic water meter, the method comprising:
s1, arranging the pressure sensor in the water meter body and connecting the pressure sensor with the signal conversion controller;
s2, coating a rubber lining in the pipeline of the water meter body;
s3, connecting the upper end of the pressure taking connecting pipe with a pressure sensor;
and S4, inserting the pressure taking electrode into the rubber lining and connecting the pressure taking pipe.
6. An internal pressure tapping method of an electromagnetic water meter as claimed in claim 5, wherein said rubber linings, pressure tapping electrodes and pressure tapping pipes of said S2, S3 and S4 are all bonded together by filling epoxy resin.
7. The method of claim 5, wherein the pressure sensor is bonded to the signal conversion controller by potting silicone gel filling in the S1.
8. An internal pressure tapping method as claimed in any one of claims 5 to 7, wherein said potting silicone gel is removed when said pressure sensor is to be repaired or maintained, and is re-potted after being disposed of for maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324890.7A CN111473832A (en) | 2020-04-23 | 2020-04-23 | Internal pressure measuring method and internal pressure measuring device of electromagnetic water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324890.7A CN111473832A (en) | 2020-04-23 | 2020-04-23 | Internal pressure measuring method and internal pressure measuring device of electromagnetic water meter |
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| Publication Number | Publication Date |
|---|---|
| CN111473832A true CN111473832A (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010324890.7A Pending CN111473832A (en) | 2020-04-23 | 2020-04-23 | Internal pressure measuring method and internal pressure measuring device of electromagnetic water meter |
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| CN (1) | CN111473832A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0694490A (en) * | 1992-09-11 | 1994-04-05 | Mitsubishi Heavy Ind Ltd | Inline gas flow rate measuring device |
| CN101929883A (en) * | 2009-12-14 | 2010-12-29 | 浙江大学 | Method for measuring flow of conductive fluid in non-full pipe by using electromagnetic flow meter |
| CN102305648A (en) * | 2011-07-27 | 2012-01-04 | 上海肯特仪表股份有限公司 | Unlined measurement head of electromagnetic flowmeter |
| US20120285233A1 (en) * | 2001-06-13 | 2012-11-15 | Maute Robert E | Fluid Flow Measuring Device and Method |
| CN106052778A (en) * | 2016-07-25 | 2016-10-26 | 赵吉利 | Electromagnetic measurement system for oil well flow quantity |
| CN206038066U (en) * | 2016-08-19 | 2017-03-22 | 浙江迪元仪表有限公司 | Electromagnetic water meter with pressure detection function |
| CN207730274U (en) * | 2018-01-16 | 2018-08-14 | 南京惠然测控技术有限公司 | A kind of electromagnetism water meter measurement pipe |
| CN208269984U (en) * | 2018-05-31 | 2018-12-21 | 南京金昇能源科技股份有限公司 | A kind of electromagnetic flowmeter being driven using helical worm gear |
| CN208805240U (en) * | 2018-08-29 | 2019-04-30 | 天津市皓阳自动化设备有限公司 | A kind of electromagnetic flowmeter with liner protective device |
-
2020
- 2020-04-23 CN CN202010324890.7A patent/CN111473832A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0694490A (en) * | 1992-09-11 | 1994-04-05 | Mitsubishi Heavy Ind Ltd | Inline gas flow rate measuring device |
| US20120285233A1 (en) * | 2001-06-13 | 2012-11-15 | Maute Robert E | Fluid Flow Measuring Device and Method |
| CN101929883A (en) * | 2009-12-14 | 2010-12-29 | 浙江大学 | Method for measuring flow of conductive fluid in non-full pipe by using electromagnetic flow meter |
| CN102305648A (en) * | 2011-07-27 | 2012-01-04 | 上海肯特仪表股份有限公司 | Unlined measurement head of electromagnetic flowmeter |
| CN106052778A (en) * | 2016-07-25 | 2016-10-26 | 赵吉利 | Electromagnetic measurement system for oil well flow quantity |
| CN206038066U (en) * | 2016-08-19 | 2017-03-22 | 浙江迪元仪表有限公司 | Electromagnetic water meter with pressure detection function |
| CN207730274U (en) * | 2018-01-16 | 2018-08-14 | 南京惠然测控技术有限公司 | A kind of electromagnetism water meter measurement pipe |
| CN208269984U (en) * | 2018-05-31 | 2018-12-21 | 南京金昇能源科技股份有限公司 | A kind of electromagnetic flowmeter being driven using helical worm gear |
| CN208805240U (en) * | 2018-08-29 | 2019-04-30 | 天津市皓阳自动化设备有限公司 | A kind of electromagnetic flowmeter with liner protective device |
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Application publication date: 20200731 |