CN211178631U - Flowmeter with high protection performance - Google Patents
Flowmeter with high protection performance Download PDFInfo
- Publication number
- CN211178631U CN211178631U CN201922403034.6U CN201922403034U CN211178631U CN 211178631 U CN211178631 U CN 211178631U CN 201922403034 U CN201922403034 U CN 201922403034U CN 211178631 U CN211178631 U CN 211178631U
- Authority
- CN
- China
- Prior art keywords
- display
- sensor
- metal shell
- flowmeter
- circuit
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 39
- 229920003023 plastic Polymers 0.000 claims abstract description 22
- 239000004033 plastic Substances 0.000 claims abstract description 22
- 230000000007 visual effect Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000006698 induction Effects 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229910002804 graphite Inorganic materials 0.000 claims description 17
- 239000010439 graphite Substances 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 14
- 239000000126 substance Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a flowmeter with high protection performance, which comprises a sensor, a connecting circuit and a display, wherein the sensor is connected with the display through the connecting circuit, the sensor is provided with a plurality of induction contacts, and the flowmeter also comprises a sensor protection structure, a circuit protection structure and a display protection structure, the sensor protection structure comprises a sensor metal shell and a first plastic lining structure, and the sensor is arranged in the sensor metal shell through the first plastic lining structure; the display protection structure comprises a display metal shell, a second plastic lining structure and a visual channel, the display is arranged on the display metal shell through the second plastic lining structure, and the visual channel penetrates through the display metal shell and the second plastic lining structure to be communicated with the display; the circuit protection structure comprises a connecting pipeline and a circuit sealing ring, one end of the connecting pipeline is in threaded connection with the sensor metal shell, the other end of the connecting pipeline is in threaded connection with the display metal shell, and the connecting pipeline is arranged in the connecting pipeline through the circuit sealing ring.
Description
Technical Field
The utility model belongs to the technical field of the flowmeter, concretely relates to flowmeter that barrier propterty is high.
Background
The flowmeter is known by its english name flowmeter, which is defined by the national committee for the examination and determination of scientific and technical terms as: meters that indicate the measured flow rate and/or the total amount of fluid in a selected time interval. Simply a meter for measuring the flow of fluid in a pipe or open channel.
The flow meters are classified into differential pressure type flow meters, rotor flow meters, throttle type flow meters, slit flow meters, volumetric flow meters, electromagnetic flow meters, ultrasonic flow meters, and the like. Classifying according to media: liquid flow meters and gas flow meters.
The flow measurement is widely applied to various fields of industrial and agricultural production, national defense construction, scientific research and foreign trade and people's life. In the production of the petroleum industry, from the exploitation, transportation, smelting and processing of petroleum to trade sale, the flow measurement runs through the whole process, and the flow measurement cannot be carried out in any link, otherwise, the normal production and trade interaction of the petroleum industry cannot be ensured. In the chemical industry, inaccurate flow measurement can cause chemical component distribution ratio imbalance, product quality can not be guaranteed, and production safety accidents can also happen seriously. In the power industry, the measurement and regulation of medium flow of liquid, gas, steam and the like are important. Whether the flow measurement is accurate or not has great economic significance for ensuring that the power plant operates under the optimal parameters, and the flow measurement becomes an important link for ensuring the safe operation of the power plant along with the development of high-temperature high-pressure large-capacity units. Such as the interruption or reduction of the instantaneous feed water flow of a large-capacity boiler, can cause serious dry pot or pipe explosion accidents. This requires that the flow measuring device not only perform accurate measurement, but also send out an alarm signal in time. In the production of steel industry, the flow measurement of circulating water and oxygen (or air) in the steel making process is one of the important parameters for ensuring the product quality. In the industries of light industry, food, textile and the like, flow measurement cannot be avoided.
The transducers used in relatively many applications are of the clip-on type and of the plug-in type. The monophonic ultrasonic flowmeter has a simple structure and is convenient to use, but the flowmeter has poor adaptability to the change of the flow state distribution, the rapid development of the microelectronic technology and the computer technology greatly promotes the updating and upgrading of the meter, and the novel flowmeter emerges like a bamboo shoot in spring after rain. To date, hundreds of flow meters have been said to be on the market, and many troublesome problems in field use are expected to be solved. The recent flow measurement technique developed in China at a later stage is provided at the upstream end of the measurement flow path 6 with respect to the orifices 11 and 12 for reducing the inflow of the fluid to be measured into the orifices 11 and 12, a measurement control section 19 for measuring the propagation time of the ultrasonic wave between the ultrasonic transducers 8 and 9, and a calculation section 20 for calculating the flow rate based on the signal of the measurement control section 19.
The protection grade of the flowmeter comprises IP65, a water-proof type, which allows a water tap to spray water to a sensor from any direction, the water yield is 12.5L/min, the distance is 3 M.IP68, the sensor works in water for a long time, the protection grade is selected according to the practical situation, the sensor of the electromagnetic flowmeter is arranged below the ground, the protection grade of lP68 is selected if the sensor is soaked in water frequently, and the protection grade of IP65 is selected if the sensor is arranged above the ground.
In the prior art, due to the requirement of the environment, the flowmeter with the protection level lP68 is difficult to meet the protection requirement, in the chemical industry, a sensor of the flowmeter needs to be soaked in chemical liquid, a display of the flowmeter is in the environment of toxic gas, the sensor and the display are both easily corroded, the problem of inaccurate flow measurement is caused, the chemical component distribution ratio is seriously disordered, the product quality cannot be guaranteed, and even production safety accidents can occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome among the prior art not enough that flowmeter barrier propterty can not reach the chemical industry requirement, provide a flowmeter that barrier propterty is high.
In order to solve the prior art problem, the utility model discloses a flowmeter with high protection performance, which comprises a sensor, a connecting circuit and a display, wherein the sensor is connected with the display through the connecting circuit, the sensor is provided with a plurality of sensing contacts, and the flowmeter also comprises a peripheral sensor protection structure arranged on the sensor, a circuit protection structure arranged on the periphery of the connecting circuit and a display protection structure arranged on the periphery of the display, wherein the sensor protection structure comprises a sensor metal shell and a first plastic lining structure; the display protection structure comprises a display metal shell, a second plastic lining structure and a visual channel for watching the display, the display is arranged on the display metal shell through the second plastic lining structure, and the visual channel penetrates through the display metal shell and the second plastic lining structure to be communicated with the display; the circuit protection structure comprises a connecting pipeline and a circuit sealing ring, one end of the connecting pipeline is in threaded connection with the sensor metal shell, the other end of the connecting pipeline is in threaded connection with the display metal shell, and the connecting pipeline is arranged in the connecting pipeline through the circuit sealing ring.
Further, still include a plurality of graphite gasket, the response contact is embedded in graphite gasket middle part, graphite gasket periphery is equipped with the screw thread, the threaded hole of sensor metal casing bottom is located to the graphite gasket.
Further, the metal shell of the sensor is a stainless steel shell.
Further, the metal shell of the display is a stainless steel shell.
Further, the connecting pipeline is a stainless steel pipeline.
Further, the outermost side of the visual channel is provided with a transparent PVC sheet.
Further, a resin lens is arranged between the display and the transparent PVC sheet.
The utility model discloses beneficial effect who has:
the protection performance of the flowmeter is effectively improved through the sensor protection structure, the display protection structure and the circuit protection structure; by arranging the graphite gasket, the induction contact is embedded in the graphite gasket, so that the protection performance between the sensor and the induction contact is improved; the protective performance of the connecting circuit is effectively improved by arranging the connecting circuit in the connecting pipeline through the circuit sealing ring; through setting up visual passageway, set up twice safety goggles at visual passageway, effectively promote the protectiveness of display.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Reference numerals: sensor 1, interconnecting link 2, display 3, sensor metal casing 4, first plastics inner lining structure 5, display metal casing 6, second plastics inner lining structure 7, visual passageway 8, connecting tube 9, circuit sealing washer 10, graphite gasket 11, transparent PVC thin slice 12, resin lens 13, inductive contact 14.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-2, the utility model discloses a flowmeter that barrier propterty is high, including sensor 1, interconnecting link 2 and display 3, sensor 1 passes through interconnecting link 2 and connects display 3, the sensor is equipped with a plurality of response contact 14, and in order to promote the barrier propterty of each part of flowmeter, still including the peripheral sensor protective structure who locates sensor 1, locate the outlying circuit protective structure of interconnecting link 2, locate the outlying display protective structure of display 3. The sensor protection structure comprises a sensor metal shell 4 and a first plastic lining structure 5, the sensor 1 is arranged in the sensor metal shell 4 through the first plastic lining structure 5, a plurality of threaded holes are formed in the bottom of the sensor metal shell 4, and the induction contacts 14 are arranged in the threaded holes; the display protection structure comprises a display metal shell 6, a second plastic lining structure 7 and a visual channel 8 for watching the display 3, wherein the display 3 is arranged on the display metal shell 6 through the second plastic lining structure 7, and the visual channel 8 penetrates through the display metal shell 6 and the second plastic lining structure 7 to be communicated with the display 3; the circuit protection structure comprises a connecting pipeline 9 and a circuit sealing ring 10, wherein one end of the connecting pipeline 9 is in threaded connection with the sensor metal shell 4, the other end of the connecting pipeline is in threaded connection with the display metal shell 6, and the connecting pipeline 2 is arranged in the connecting pipeline 9 through the circuit sealing ring 10. Metal casing adds the plastics inside lining, can reach dual protection effect.
In order to promote the sensor 1, the sensor further comprises a plurality of graphite gaskets 11, the induction contact 14 is embedded in the middle of the graphite gasket 11, threads are arranged on the periphery of the graphite gasket 11, and the graphite gasket 11 is arranged in a threaded hole in the bottom of the sensor metal shell 4. The graphite gasket 11 on the one hand promotes the sealing and on the other hand the flexible graphite gasket has an excellent chemical resistance against almost all liquids.
In order to improve the external protection of the flowmeter, the sensor metal shell 4 is a stainless steel shell, the display metal shell 6 is a stainless steel shell, and the connecting pipeline 9 is a stainless steel pipeline. Stainless steel has good rigidity and chemical resistance.
In order to improve the objectivity of the display under the condition of not reducing the protective performance, a transparent PVC sheet 12 is arranged on the outermost side of the visual channel 8, and a resin lens 13 is arranged between the display 3 and the transparent PVC sheet 12 to form double protective glasses.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (7)
1. A flowmeter with high protection performance comprises a sensor (1), a connecting circuit (2) and a display (3), wherein the sensor (1) is connected with the display (3) through the connecting circuit (2), the sensor is provided with a plurality of induction contacts (14), and the flowmeter is characterized by further comprising a peripheral sensor protection structure arranged on the sensor (1), a circuit protection structure arranged on the periphery of the connecting circuit (2) and a display protection structure arranged on the periphery of the display (3),
the sensor protection structure comprises a sensor metal shell (4) and a first plastic lining structure (5), the sensor (1) is arranged in the sensor metal shell (4) through the first plastic lining structure (5), a plurality of threaded holes are formed in the bottom of the sensor metal shell (4), and the induction contacts (14) are arranged in the threaded holes;
the display protection structure comprises a display metal shell (6), a second plastic lining structure (7) and a visual channel (8) for watching the display (3), the display (3) is arranged on the display metal shell (6) through the second plastic lining structure (7), and the visual channel (8) penetrates through the display metal shell (6) and the second plastic lining structure (7) to be communicated with the display (3);
the circuit protection structure comprises a connecting pipeline (9) and a circuit sealing ring (10), wherein one end of the connecting pipeline (9) is in threaded connection with a sensor metal shell (4), the other end of the connecting pipeline is in threaded connection with a display metal shell (6), and the connecting pipeline (9) is arranged in the connecting pipeline (2) through the circuit sealing ring (10).
2. The flowmeter with high protection performance according to claim 1, further comprising a plurality of graphite gaskets (11), wherein the sensing contacts (14) are embedded in the middle of the graphite gaskets (11), the graphite gaskets (11) are provided with threads on the periphery, and the graphite gaskets (11) are arranged in threaded holes at the bottom of the sensor metal shell (4).
3. A flowmeter according to claim 1, wherein said metallic sensor housing (4) is a stainless steel housing.
4. A flowmeter according to claim 1, wherein said metallic housing (6) is a stainless steel housing.
5. A flowmeter according to claim 1, wherein said connecting conduit (9) is a stainless steel conduit.
6. A flowmeter according to claim 1, wherein said visual channel (8) is provided with transparent PVC sheeting (12) on the outermost side.
7. A flowmeter according to claim 6, wherein a resin lens (13) is provided between the display (3) and the transparent PVC sheet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403034.6U CN211178631U (en) | 2019-12-27 | 2019-12-27 | Flowmeter with high protection performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403034.6U CN211178631U (en) | 2019-12-27 | 2019-12-27 | Flowmeter with high protection performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211178631U true CN211178631U (en) | 2020-08-04 |
Family
ID=71804084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922403034.6U Expired - Fee Related CN211178631U (en) | 2019-12-27 | 2019-12-27 | Flowmeter with high protection performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211178631U (en) |
-
2019
- 2019-12-27 CN CN201922403034.6U patent/CN211178631U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5717146A (en) | Device and method for measuring multi-phase fluid flow in a conduit having an abrupt gradual bend | |
| US9000944B2 (en) | Device for detecting a blockage of a mechanical fluid meter, and meter featuring blockage detection | |
| CN202533355U (en) | System for simulating field dynamic corrosion of acid natural gas field | |
| CN211178631U (en) | Flowmeter with high protection performance | |
| CN2872061Y (en) | Liquid-phase leakage detector | |
| CN205655869U (en) | Flow measuring device based on converter | |
| CN211627324U (en) | Simulation petrochemical industry pipeline erodees corrosion monitoring and detects experimental apparatus | |
| CN208254559U (en) | A kind of anti-corrosion type integration orifice plate | |
| CN201867272U (en) | Ultrasonic heat and cold meter | |
| CN210802568U (en) | Arnuba formula gas metering device | |
| CN209027599U (en) | A kind of redundant flow measuring device | |
| CN209607120U (en) | A kind of pipe leakage visualizing monitor warning device | |
| CN206990132U (en) | A kind of base table is the ultrasonic calorimeter of column | |
| CN206618454U (en) | A kind of high pressure positive displacement gas flowmeter | |
| CN209639774U (en) | A kind of wedge-shaped differential pressure flowmeter with heat insulation function | |
| CN210375583U (en) | Intelligent engineering monitoring device | |
| CN205373782U (en) | Swirl vortex precession flowmeter | |
| CN219798480U (en) | Blowing type liquid level measuring device | |
| CN219736457U (en) | Inserted pipeline center measuring flow Li Tuoba sensor | |
| CN210688753U (en) | Heat conduction oil expansion tank | |
| CN211978006U (en) | Anti-freezing differential pressure type flowmeter | |
| CN219890678U (en) | On-line detection device for leakage in safety valve and regulating valve | |
| CN217236900U (en) | Throttling flowmeter with external communication module | |
| CN212539294U (en) | Intelligent combined type ultrasonic flowmeter | |
| CN213579587U (en) | NB-IoT Internet of things water meter rust-proof device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |