CN116182964A - Electromagnetic flowmeter - Google Patents
Electromagnetic flowmeter Download PDFInfo
- Publication number
- CN116182964A CN116182964A CN202310466444.3A CN202310466444A CN116182964A CN 116182964 A CN116182964 A CN 116182964A CN 202310466444 A CN202310466444 A CN 202310466444A CN 116182964 A CN116182964 A CN 116182964A
- Authority
- CN
- China
- Prior art keywords
- water
- electromagnetic flowmeter
- monitoring
- linkage
- pipe
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to the technical field of flowmeters, and discloses an electromagnetic flowmeter, which comprises an electromagnetic flowmeter and a control device, wherein the electromagnetic flowmeter can detect the flow of water; the monitoring mechanism is connected to the electromagnetic flowmeter and can monitor whether the joint of the electromagnetic flowmeter and the water pipe leaks or not. This electromagnetic flowmeter, when water leakage appears in electromagnetic flowmeter and the junction of water pipe, collect water through the catchment shell, the inside of collecting water through the part flow that intakes to the monitoring box for the water that leaks takes place the reaction with the filler in the monitoring box and produces gas, and the gas that produces promotes the part that intakes makes its sealedly, promotes the mobile part in the blast pipe simultaneously, makes mobile part drive the mobile part and triggers warning part, makes warning part send audible and visual warning, so that the staff can in time discover that water leaks and in time maintain, when the mobile part removes, drives the linkage subassembly and promotes the sealing member and remove.
Description
Technical Field
The invention relates to the technical field of flowmeters, in particular to an electromagnetic flowmeter.
Background
An electromagnetic flowmeter is an instrument which applies the electromagnetic induction principle and measures the flow of an electric fluid according to the electromotive force induced when the electric fluid passes through an externally applied magnetic field; people acquire real-time flow through the display screen on the electromagnetic flowmeter to be convenient for observe and control electric fluid flow, and when electromagnetic flowmeter measures the flow of water, generally use bolt and nut to fix two ends of electromagnetic flowmeter business turn over water respectively with two sections water pipes, because often can mix with the bubble in the water, when water flows in water pipe and electromagnetic flowmeter, lead to water pipe and electromagnetic flowmeter to appear the shake, lead to the junction of water pipe and electromagnetic flowmeter to become flexible easily, thereby make the water leak, the staff is difficult to in time discover and maintain it.
Disclosure of Invention
The present invention is directed to an electromagnetic flowmeter, which solves the above-mentioned problems.
The embodiment of the application adopts the following technical scheme:
an electromagnetic flowmeter includes an electromagnetic flowmeter capable of detecting a flow rate of water; the monitoring mechanism is connected to the electromagnetic flowmeter, can monitor whether the junction of electromagnetic flowmeter and water pipe leaks, and in time discover and maintain when leaking, the monitoring mechanism includes monitoring component, warning part, interlock subassembly and sealing member, the monitoring component can take place the reaction with the water of leaking and generate gas to trigger the warning part, drive the interlock subassembly simultaneously and remove, make the interlock subassembly promotes the sealing member and is close to the water pipe, the sealing member can seal the junction of electromagnetic flowmeter and water pipe when water leaks.
Preferably, the monitoring mechanism further comprises a water collecting shell, the monitoring assembly, the warning component and the linkage assembly are all connected to the water collecting shell, the sealing element is connected to the joint of the electromagnetic flowmeter and the water pipe, and the water collecting shell can collect leaked water in a concentrated mode.
Preferably, the monitoring assembly comprises a monitoring box, the inner side of the monitoring box is filled with filler, the filler can react with water to generate gas, the top of the monitoring box is connected with a water inlet component and an exhaust pipe, the water inlet component can convey water in a water collecting shell into the monitoring box, and after the water reacts with the filler to generate gas, the water inlet component can be automatically closed.
Preferably, the inner side of the exhaust pipe is inserted with a moving part, one end of the moving part extending out of the exhaust pipe is connected with a pushing part, after gas is generated, the air pressure inside the monitoring box is increased to push the moving part in the exhaust pipe to move, and the pushing part is driven to move by the moving part, so that the warning part is triggered by the pushing part.
Preferably, the water inlet component comprises a water inlet pipe, the inner side of the water inlet pipe is connected with a blocking part and a supporting part, the supporting part is located below the blocking part, the top of the supporting part is connected with a guiding part, the top of the guiding part is connected with a movable part, the movable part is inserted into the blocking part and can seal the water inlet component, and the movable part and the blocking part are separated and can open the water inlet component.
Preferably, the seal includes a sealing portion and a mounting portion coupled to the sealing portion, the mounting portion being capable of providing support to the sealing portion.
Preferably, the warning part is an audible and visual alarm, and a control button is arranged on the warning part and faces the monitoring assembly.
Preferably, the linkage assembly comprises a first linkage part, a second linkage part, a third linkage part, a fourth linkage part and a fifth linkage part, and the first linkage part, the second linkage part, the third linkage part, the fourth linkage part and the fifth linkage part are sequentially connected, so that the monitoring assembly is linked with the sealing element.
Preferably, the electromagnetic flowmeter comprises a shell, two ends of the shell are respectively provided with a water inlet end and a water outlet end, the water inlet end and the water outlet end of the shell are both connected with connecting parts, and the connecting parts can be connected with a water pipe through bolts and nuts.
Preferably, a display part is connected to the housing, and the display part displays the flow rate of the detected water.
The beneficial effects of the invention are as follows:
when water leakage occurs at the joint of the electromagnetic flowmeter and the water pipe, the water is collected through the water collecting shell, the collected water flows into the monitoring box through the water inlet component, so that the leaked water reacts with the filler in the monitoring box and generates gas, the generated gas pushes the water inlet component to seal the water inlet component, meanwhile, the moving part in the exhaust pipe is pushed, the moving part drives the pushing part to move and trigger the warning component, the warning component gives out audible and visual alarm, so that workers can timely find water leakage and timely maintain the water leakage, and when the pushing part moves, the linkage component is driven to push the sealing component to move, so that the joint of the electromagnetic flowmeter and the water pipe, which is loose, is sealed, and continuous water leakage is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partially cut-away perspective of a monitoring mechanism according to the present invention;
FIG. 3 is a schematic cross-sectional perspective view of a monitoring assembly according to the present invention;
FIG. 4 is a schematic perspective view of a seal and linkage assembly of the present invention;
FIG. 5 is a schematic view of a front cross-sectional structure of a water intake member of the present invention;
fig. 6 is an exploded view of the water intake member of the present invention.
In the figure: 1. an electromagnetic flowmeter; 11. a housing; 12. a display section; 13. a connection part; 131. an annular groove; 2. a monitoring mechanism; 21. a water collecting shell; 22. a seal; 221. a sealing part; 222. a mounting part; 23. a monitoring component; 231. a monitoring box; 232. a water inlet member; 2321. a water inlet pipe; 2322. a blocking portion; 2323. a movable part; 2324. a support part; 2325. a guide part; 233. an exhaust pipe; 234. a moving part; 235. a pushing part; 236. a filler; 24. a warning member; 25. a linkage assembly; 251. a first linkage part; 252. a second linkage part; 253. a third linkage part; 254. a fourth linkage part; 255. and a fifth linkage part.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
As shown in fig. 1-6, an electromagnetic flowmeter; including electric magnetic flowmeter 1, can detect the flow of water, be connected with monitoring mechanism 2 on the electric magnetic flowmeter 1, monitoring mechanism 2 can monitor whether the junction of electric magnetic flowmeter 1 and water pipe leaks, simultaneously can be when the junction of electric magnetic flowmeter 1 and water pipe leaks, alert the staff, so that in time maintain the junction of electric magnetic flowmeter 1 and water pipe, monitoring mechanism 2 includes sealing member 22, monitoring component 23 and warning part 24, sealing member 22 can be when the junction of electric magnetic flowmeter 1 and water pipe becomes flexible, seal the junction of electric magnetic flowmeter 1 and water pipe, monitoring component 23 can monitor whether the junction of electric magnetic flowmeter 1 and water pipe takes place to leak, warning part 24 can be opened by monitoring component 23 when the water leaks, thereby alert the staff to maintain the junction of electric magnetic flowmeter 1 and water pipe in time.
As shown in fig. 1, the electromagnetic flowmeter 1 includes a housing 11, the housing 11 can supply water to flow, the top of the housing 11 is connected with a display component 12, the display component 12 can display the flow of water, two ends of the housing 11 are a water inlet end and a water outlet end respectively, the water inlet end and the water outlet end are both connected with a connecting part 13, the connecting part 13 is annular, and a connecting hole is formed in the connecting part 13, and the electromagnetic flowmeter 1 can connect the connecting part 13 with a water pipe by using bolts and nuts, so that the flow of water is conveniently detected.
As shown in fig. 1 to 6, the monitoring mechanism 2 includes a water collecting shell 21, a sealing member 22, a monitoring assembly 23, a warning member 24 and a linkage assembly 25, wherein the water collecting shell 21 is mounted on the outer side of the connecting portion 13, can collect leaked water, the sealing member 22 is connected to the side surface of the connecting portion 13, can seal a loose gap when the connection portion of the electromagnetic flowmeter 1 and the water pipe is loose, so that the water is prevented from leaking all the time, the warning member 24 is connected to the water collecting shell 21, can give out an audible and visual alarm when the water leakage occurs at the water connection portion of the electromagnetic flowmeter 1 and the water pipe, so that a worker can find and maintain in time, the monitoring assembly 23 is connected to the water collecting shell 21, can react with the leaked water when the water leakage occurs, and starts the warning member 24, the linkage assembly 25 is connected between the monitoring assembly 23 and the sealing member 22, and can drive the sealing member 22 to seal the gap between the electromagnetic flowmeter 1 and the water pipe after the water leakage occurs.
As shown in fig. 1-2, the water collecting shell 21 has an inner cavity, can collect leaked water, an annular groove 131 is arranged on the connecting portion 13, a sealing element 22 is inserted into the inner side of the annular groove 131, the sealing element 22 comprises a sealing portion 221 and a mounting portion 222 connected to the side face of the sealing portion 221, the sealing portion 221 is a sealing rubber ring, the mounting portion 222 is a hard plate, the mounting portion 222 can be made of hard plastic, ferrous material or other hard alloy materials, each part of the sealing portion 221 can be ensured to move transversely at the same time, and the sealing element 22 can move towards a water pipe, so that after water leakage occurs at the joint of the electromagnetic flowmeter 1 and the water pipe, the joint of the electromagnetic flowmeter 1 and the water pipe is sealed timely.
As shown in fig. 2, 3, 5 and 6, the monitoring assembly 23 includes a monitoring box 231 connected to the bottom of the water collecting shell 21, a water inlet member 232 is connected to the top of the water collecting shell 21, a filler 236 is filled in the water collecting shell 21, the filler 236 may be solid sodium peroxide, solid silicon carbide or other materials that react with water to generate gas, the solid sodium peroxide reacts with water to generate oxygen gas quickly, the solid silicon carbide reacts with water to generate acetylene gas quickly, in this embodiment, the filler 236 is solid sodium peroxide, the water inlet member 232 can convey water in the water collecting shell 21 into the monitoring box 231, and simultaneously, the water inlet member 232 is automatically closed after the water reacts with the filler 236 to generate gas, an exhaust pipe 233 is also connected to the top of the monitoring box 231, a moving part 234 is inserted into the inner side of the exhaust pipe 233, the generated gas can be conveyed into the exhaust pipe 233 and push the moving part 234 to move, one end of the moving part 234 extending out of the exhaust pipe 233 is connected to a pushing part 235, the moving part 234 can move to drive the pushing part 235 to trigger the warning member 235, the warning member 24 to push the sound and light button 24 to face the warning member 24.
With continued reference to fig. 5 and 6, the water inlet component 232 includes a water inlet pipe 2321, a blocking portion 2322 and a supporting portion 2324 are connected to the inner side of the water inlet pipe 2321, the blocking portion 2322 is located above the supporting portion 2324, a guiding portion 2325 is connected to the top of the supporting portion 2324, a movable portion 2323 is inserted into the top of the guiding portion 2325, after leaked water flows onto the movable portion 2323, the movable portion 2323 can be pushed to move downwards, the movable portion 2323 is separated from the blocking portion 2322, at this time, the leaked water flows into the monitoring box 231 from a gap between the movable portion 2323 and the water inlet pipe 2321, when the generated gas reacts with the filler 236 in the monitoring box 231 to generate gas, the generated gas pushes the movable portion 2323 upwards, so that the generated gas is inserted into the blocking portion 2322, thereby sealing the water inlet pipe 2321, the generated gas is conveyed into the exhaust pipe 233, and the moving portion 234 is pushed.
With continued reference to fig. 2 and 4, the linkage assembly 25 is connected between the sealing member 22 and the monitoring assembly 23, the linkage assembly 25 includes a plurality of first linkage parts 251 connected to the top of the pushing part 235, one end of the first linkage parts 251 transversely passes through one side of the water collecting shell 21 and is connected with the second linkage parts 252, the top of the second linkage parts 252 is connected with the third linkage parts 253, the top of the third linkage parts 253 is connected with the fourth linkage parts 254, one side of the fourth linkage parts 254 is connected with the fifth linkage parts 255, the fifth linkage parts 255 extend into the annular groove 131 of the connecting part 13, the number of the fifth linkage parts 255 is not limited, in this embodiment, the fifth linkage parts 255 are arranged in a ring shape, and are all connected with the mounting parts 222 on the sealing member 22, when the pushing part 235 moves towards the warning member 24, the linkage assembly 25 is driven to move, and the sealing member 22 is continuously loosened by the water pipe 1 and the sealing member 1 when the sealing member 22 is forced to move, and the water pipe 1 is continuously loosened.
Working principle: when the electromagnetic flowmeter is used, the flow rate of water is detected through the electromagnetic flowmeter 1, the detected data are displayed by the display component 12, when leakage occurs at the joint of the electromagnetic flowmeter 1 and the water pipe, the leaked water flows into the water collecting shell 21 and flows into the monitoring box 231 through the water inlet component 232, the leaked water reacts with the filler 236 in the monitoring box 231 to generate gas, the pressure in the monitoring box 231 is increased, at the moment, the gas generated by the reaction pushes the movable part 2323 upwards to be inserted into the blocking part 2322, so that the water inlet component 232 is closed, meanwhile, the movable part 234 in the exhaust pipe 233 is pushed to move, the pushing part 235 is driven to move through the moving part 234, a control button on the warning component 24 is pressed after a certain distance is moved, so that the warning component 24 is started, the warning component 24 gives out audible and visual alarm, a worker can timely find and maintain the leaked position, the linkage assembly 25 is driven to move towards the opening direction of the annular groove 131 through the linkage assembly 25, and the gap of the electromagnetic flowmeter 1 and the loose water pipe is sealed.
Claims (10)
1. An electromagnetic flowmeter, comprising:
an electromagnetic flowmeter capable of detecting the flow rate of water;
the monitoring mechanism is connected to the electromagnetic flowmeter, can monitor whether the junction of electromagnetic flowmeter and water pipe leaks, and in time discover and maintain when leaking, the monitoring mechanism includes monitoring component, warning part, interlock subassembly and sealing member, the monitoring component can take place the reaction with the water of leaking and generate gas to trigger the warning part, drive the interlock subassembly simultaneously and remove, make the interlock subassembly promotes the sealing member and is close to the water pipe, the sealing member can seal the junction of electromagnetic flowmeter and water pipe when water leaks.
2. An electromagnetic flowmeter according to claim 1, wherein: the monitoring mechanism further comprises a water collecting shell, the monitoring assembly, the warning component and the linkage assembly are all connected to the water collecting shell, the sealing piece is connected to the joint of the electromagnetic flowmeter and the water pipe, and the water collecting shell can collect leaked water in a concentrated mode.
3. An electromagnetic flowmeter according to claim 1, wherein: the monitoring assembly comprises a monitoring box, the inner side of the monitoring box is filled with filler, the filler can react with water to generate gas, the top of the monitoring box is connected with a water inlet component and an exhaust pipe, the water inlet component can convey water in a water collecting shell into the monitoring box, and after the water reacts with the filler to generate gas, the water inlet component can be automatically closed.
4. An electromagnetic flowmeter according to claim 3, wherein: the inside of blast pipe has peg graft movable part, the one end that movable part stretched out the blast pipe is connected with the pushing part, produces gaseous back, the inside atmospheric pressure of monitoring box increases, promotes movable part in the blast pipe removes, drives the pushing part through the movable part and removes, and then triggers warning part by the pushing part.
5. An electromagnetic flowmeter according to claim 3, wherein: the water inlet component comprises a water inlet pipe, the inner side of the water inlet pipe is connected with a blocking part and a supporting part, the supporting part is located below the blocking part, the top of the supporting part is connected with a guiding part, the top of the guiding part is connected with a movable part, the movable part is inserted into the blocking part and can be used for sealing the water inlet component, and the movable part and the blocking part are separated and can be used for opening the water inlet component.
6. An electromagnetic flowmeter according to claim 1, wherein: the seal includes a sealing portion and a mounting portion coupled to the sealing portion, the mounting portion being capable of providing support to the sealing portion.
7. An electromagnetic flowmeter according to claim 1, wherein: the warning part is an audible and visual alarm, and a control button is arranged on the warning part and faces the monitoring assembly.
8. An electromagnetic flowmeter according to claim 1, wherein: the linkage assembly comprises a first linkage part, a second linkage part, a third linkage part, a fourth linkage part and a fifth linkage part, wherein the first linkage part, the second linkage part, the third linkage part, the fourth linkage part and the fifth linkage part are sequentially connected, so that the monitoring assembly and the sealing element are linked.
9. An electromagnetic flowmeter according to claim 1, wherein: the electromagnetic flowmeter comprises a shell, wherein two ends of the shell are respectively provided with a water inlet end and a water outlet end, the water inlet end and the water outlet end of the shell are both connected with connecting parts, and the connecting parts can be connected with a water pipe through bolts and nuts.
10. An electromagnetic flowmeter according to claim 9, wherein: the shell is connected with a display part, and the display part displays the flow velocity of the detected water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310466444.3A CN116182964B (en) | 2023-04-27 | 2023-04-27 | Electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310466444.3A CN116182964B (en) | 2023-04-27 | 2023-04-27 | Electromagnetic flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116182964A true CN116182964A (en) | 2023-05-30 |
| CN116182964B CN116182964B (en) | 2023-07-18 |
Family
ID=86434872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310466444.3A Active CN116182964B (en) | 2023-04-27 | 2023-04-27 | Electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116182964B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212110184U (en) * | 2020-07-02 | 2020-12-08 | 郭淑梅 | Natural gas flowmeter structure |
| CN214893872U (en) * | 2021-03-05 | 2021-11-26 | 甘肃省景泰川电力提灌管理局(甘肃省景泰川电力提灌工程指挥部) | Pump station packing box detection device that leaks |
| CN215061352U (en) * | 2021-04-02 | 2021-12-07 | 北京骏陇国际石油工程技术有限公司 | Oil gas gathering and transportation gas detection device |
| CN216844174U (en) * | 2021-12-03 | 2022-06-28 | 浙江枫叶管业科技股份有限公司 | Water pipe leakage monitoring device |
| CN217276333U (en) * | 2022-03-02 | 2022-08-23 | 天津华文仪器仪表有限公司 | Internet of things electromagnetic flowmeter |
| CN218408927U (en) * | 2022-10-28 | 2023-01-31 | 王文友 | Butt joint connecting device for natural gas conveying pipeline |
| CN218724444U (en) * | 2022-10-12 | 2023-03-24 | 无锡欧百仪表科技有限公司 | Non-full-through pipe flowmeter |
-
2023
- 2023-04-27 CN CN202310466444.3A patent/CN116182964B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212110184U (en) * | 2020-07-02 | 2020-12-08 | 郭淑梅 | Natural gas flowmeter structure |
| CN214893872U (en) * | 2021-03-05 | 2021-11-26 | 甘肃省景泰川电力提灌管理局(甘肃省景泰川电力提灌工程指挥部) | Pump station packing box detection device that leaks |
| CN215061352U (en) * | 2021-04-02 | 2021-12-07 | 北京骏陇国际石油工程技术有限公司 | Oil gas gathering and transportation gas detection device |
| CN216844174U (en) * | 2021-12-03 | 2022-06-28 | 浙江枫叶管业科技股份有限公司 | Water pipe leakage monitoring device |
| CN217276333U (en) * | 2022-03-02 | 2022-08-23 | 天津华文仪器仪表有限公司 | Internet of things electromagnetic flowmeter |
| CN218724444U (en) * | 2022-10-12 | 2023-03-24 | 无锡欧百仪表科技有限公司 | Non-full-through pipe flowmeter |
| CN218408927U (en) * | 2022-10-28 | 2023-01-31 | 王文友 | Butt joint connecting device for natural gas conveying pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 王增豪, 王孝聪: "电磁流量计泄漏全自动测试机设计和研究", 机械设计与研究, no. 03 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116182964B (en) | 2023-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20050046180A1 (en) | Apparatus and method for actuating or maintaining a seal by differential pressure | |
| CN116182964B (en) | Electromagnetic flowmeter | |
| CA2359007A1 (en) | Improved flow monitoring apparatus | |
| CN215721038U (en) | Water supply pipeline has monitoring signal's anti-return device | |
| CN215764659U (en) | Ammonia gas conveying safety protection pipeline device with gas leakage detection function | |
| CN206414654U (en) | A kind of fire extinguisher of heptafluoropropane | |
| CN212458795U (en) | Pipeline detector | |
| CN204799633U (en) | Vacuum pipe dredge | |
| CN217177631U (en) | Valve body assembly with leakproofness detects function | |
| CN203745144U (en) | Sealed type safety valve airtightness test verifying apparatus | |
| CN220104430U (en) | Gas pipeline interface gas tightness detection device | |
| CN220355180U (en) | Natural gas pipeline flange micro-leakage detection equipment | |
| CN218996141U (en) | Gas detection alarm convenient to carry | |
| CN215811074U (en) | Flowmeter with sealing detection structure for ship energy efficiency management system | |
| CN1935460A (en) | Open abrasive-filling jet-flow device based on highpressure abrasive jel-flow diaphragm pump | |
| CN216746537U (en) | Silicon piezoresistive gas pressure sensor | |
| CN217605178U (en) | Steam power pipeline pressure monitoring device | |
| CN218794039U (en) | Vacuum defoaming machine for chemical production | |
| CN213716114U (en) | Cable production safety early warning system | |
| CN218223897U (en) | Flow measuring device for pulverized coal pipe | |
| CN217637481U (en) | Gas abnormal micro flow detection device | |
| CN218297518U (en) | Welding quality 90-degree vacuum tightness detection cover | |
| CN212082752U (en) | Shell air tightness testing mechanism | |
| CN216746540U (en) | Silicon piezoresistive gas pressure sensor with good air tightness | |
| CN220290433U (en) | Gas pipeline warning sign |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |