CN2600792Y - Dismountable integral electromagnetic vortex flowmeter - Google Patents
Dismountable integral electromagnetic vortex flowmeter Download PDFInfo
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- CN2600792Y CN2600792Y CN 03223948 CN03223948U CN2600792Y CN 2600792 Y CN2600792 Y CN 2600792Y CN 03223948 CN03223948 CN 03223948 CN 03223948 U CN03223948 U CN 03223948U CN 2600792 Y CN2600792 Y CN 2600792Y
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Abstract
A dismountable integrated electromagnetic vortex flow-meter comprises a vortex generator (5), a magnetic body (2), a detection electrode (4) and a flow integrating display instrument (6) which are provided in a liquid pipeline (1); the vortex generator (5), the magnetic body (2) and the detection electrode (4) form a whole body; the vortex generator (5) is vertical with the axes of the liquid pipeline (1); the detection electrode (4) is crossly provided at the through-hole (21) of the magnetic body (2) and is parallel with the vortex generator (5); the insulator (3) at the top of the detection electrode (4) separates the detection electrode from the magnetic body (2); the lower-end emerged part of the detection electrode (4) electrically contacts the liquid and sends the detection signal to the flow integrating display instrument (6); the whole body is mounted on the pipeline wall (11) of the liquid pipeline (1), and can be dismounted. Compared with the prior art, the utility model has the advantages of great anti-interference and anti-vibration, the simple structure, convenience on dismounting and mounting, and also convenience on maintenance and checkout.
Description
Technical field the utility model relates to flow measurement device, particularly relates to the flowmeter that is used for measuring the conductive fluid flow that utilizes Karman vortex street principle and Faraday's electromagnetic induction law design.
Background technology calculates flow rate of fluid and flow by detecting the cross frequence of the eddy current that produces in vortex generation body downstream, and this is the vortex shedding flow meter that adopts the Karman vortex street principle to form usually.Conductive fluid cutting magnetic line in magnetic field produces electromotive force, calculates the flow velocity of detected fluid with this, and this is the electromagnetic flowmeter that adopts Faraday's electromagnetic induction law to form.At present, vortex shedding flow meter and electromagnetic flowmeter have become the ripe product of technology, have been widely used in the measurement of fluid.Vortex shedding flow meter is poor anti jamming capability in application, and measuring accuracy and accuracy are difficult to improve.Though electromagnetic flowmeter precision height, big caliber costs an arm and a leg, and range of application is limited.In some practical application, exist surface deposition foreign material take place, influence accuracy of measurement, flowmeter is difficult to problems such as dismounting and maintenance again after installing and using on the pipeline.
The summary of the invention the technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and proposes a kind of removable integral type electromagnetism swirl flowmeter, this flowmeter merges the advantage of electromagnetic flowmeter and vortex shedding flow meter, according to the cross frequence of Karman vortex street principle and Faraday's electromagnetic induction law detection vortex, realize the flow measurement of conductive fluid.
Another technical matters that will solve of the utility model be propose a kind ofly to be convenient to dismantle and assemble, the removable integral type electromagnetism swirl flowmeter of maintenance and verification.
Technical matters of the present utility model can be by realizing by the following technical solutions:
Design, a kind of removable integral type electromagnetism swirl flowmeter of making, comprise the vortex generation body, magnet, detecting electrode and the flow accumulation display instrument that place fluid line, described vortex generation body, magnet and detecting electrode are an integral body, described vortex generation body is perpendicular to the axis of fluid line, described detecting electrode passes through the through hole that is opened on the magnet and parallel with vortex generation body, and detecting electrode top has insulator that electrode is separated with magnet; Detecting electrode lower end exposed portions serve and fluid electrically contact and detection signal are delivered to the flow accumulation display instrument; Described integral installation is on the duct wall of fluid line, and this integral body can break.
The removable integral type electromagnetism of the utility model swirl flowmeter adopts short as far as possible detecting electrode, compared with prior art, effect possesses skills: so that the vibration interference of non-flow signal is limited in lesser extent, it is simple in structure, has overcome the shortcoming of conventional vortex shedding flow meter; Have measuring accuracy height, wide ranges, freedom from vibration is strong and barotolerance is good characteristics; The characteristics of the detachable and assembling of its integral type are convenient to maintenance and verification.
Description of drawings
Fig. 1 is the structural representation of the removable integral type electromagnetism of the utility model bumpy flow flowmeter.
Fig. 2 is the synoptic diagram of the magnet 2 of described electromagnetism swirl flowmeter; Fig. 2-the 1st wherein, magnet 2 be shaped as columniform synoptic diagram; Fig. 2-the 2nd, the synoptic diagram that is shaped as rectangular cylinder of magnet 2;
Fig. 3 is the synoptic diagram of the detecting electrode 4 of described electromagnetism swirl flowmeter, Fig. 3-the 1st wherein, detecting electrode 4 be shaped as columniform synoptic diagram; Fig. 3-the 2nd, the synoptic diagram that is shaped as rectangular cylinder of detecting electrode 4.
Embodiment is described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
A kind of removable integral type electromagnetism swirl flowmeter, as shown in Figure 1, comprise the vortex generation body 5, magnet 2, detection detecting electrode 4 and the flow accumulation display instrument 8 that place fluid line 1, described vortex generation body 5, magnet 2 and detection detecting electrode 4 consist of an integral body, described vortex generation body 5 is perpendicular to the axis of fluid line 1, described detecting electrode 4 passes through the through hole 21 that is opened on the magnet 2 and parallel with vortex generation body 5, and detecting electrode 4 tops have insulator 3 that this electrode 4 and magnet 2 electricity are isolated; Detecting electrode 4 lower end exposed portions serve and fluid electrically contacts and detection signal is delivered to flow accumulation display instrument 8; Described integral installation is on the duct wall 11 of fluid line 1, and this integral body can break.Described flow accumulation display instrument 8 can connect together with described integral body, and they can be assemblied on the mount pad 9 that places fluid line wall 11 outsides by flange or alternate manner.
In the utility model, described magnet 2 is permanent magnet or calutron, is shaped as cylindrical or rectangular cylinder, sees shown in Figure 2ly, and its N, the S utmost point are perpendicular to the axis of described fluid line 1.Described detecting electrode 4 is a solid cylinder, and it is shaped as cylindrical or rectangular cylinder, sees shown in Figure 3.
Vortex generation body 5 makes the fluid that flows through produce two row's inward turning and interlaced eddy current, and the generated frequency of eddy current is directly proportional with flow rate of fluid.The magnetic line of force of conducting fluids eddy current cutting magnet 2, just with detecting electrode 4 that fluid becomes to electrically contact on produce electrical signal of reaction, the frequency of electric signal is exactly the eddy current frequency, detecting electrode is delivered to the flow accumulation display instrument with the electric signal that detects, sampling eddy current frequency just can be measured flow rate of fluid and flow.
A kind of removable integral type electromagnetism swirl flowmeter shown in Figure 1, detecting electrode 4 passes the through hole 21 of the magnet 2 that places on the duct wall 11, and detecting electrode 4 can be lacked as far as possible, so that the vibration interference of non-flow signal is limited in lesser extent.In some practical application, exist surface deposition foreign material take place, influence accuracy of measurement, flowmeter is difficult to dismounting and maintenance again after installing and using on the pipeline, the utility model can need not under the situation that fluid line 1 is disassembled from pipeline, integral body is disassembled from the mounting seat that places fluid line wall 11 outsides, can be at this vortex generation body on the whole, magnet, detecting electrode and flow accumulation display instrument detect, the maintenance and calibrate surely at the enterprising rower of standard set-up, solved existing flowmeter in a single day be contained in just be difficult on the pipeline dismounting, maintenance, demarcate the problem of calibration.
Claims (7)
1. a removable integral type electromagnetism swirl flowmeter comprises the vortex generation body (5), magnet (2), detecting electrode (4) and the flow accumulation display instrument (8) that place fluid line (1), it is characterized in that:
Described vortex generation body (5), magnet (2) and detecting electrode (4) are formed an integral body, described vortex generation body (5) is perpendicular to the axis of fluid line (1), described detecting electrode (4) passes through the through hole (21) that is opened on the magnet (2) and parallel with vortex generation body (5), and described detecting electrode (4) top has insulator (3) that this detecting electrode (4) and magnet (2) electricity are isolated; The fluid of its lower end exposed portions serve and described vortex generation body (5) back electrically contacts, and described detecting electrode (4) is delivered to described flow accumulation display instrument (8) by lead with detection signal;
Described integral body (5), (2), (4) are installed on the duct wall (11) of fluid line (1) by mount pad (9).
2. removable integral type electromagnetism swirl flowmeter as claimed in claim 1 is characterized in that: described magnet (2) be shaped as right cylinder or rectangular cylinder.
3. removable integral type electromagnetism swirl flowmeter as claimed in claim 1 is characterized in that: described detecting electrode (4) is a solid cylinder.
4. removable integral type electromagnetism swirl flowmeter as claimed in claim 1 is characterized in that: described detecting electrode (4) be shaped as right cylinder or rectangular cylinder.
5. removable integral type electromagnetism swirl flowmeter as claimed in claim 1 is characterized in that: described magnet (2) N, the S utmost point are perpendicular to the axis of fluid line (1).
6. removable integral type electromagnetism swirl flowmeter as claimed in claim 1, it is characterized in that: described magnet (2) is permanent magnet or calutron.
7. removable integral type electromagnetism swirl flowmeter as claimed in claim 1 is characterized in that: described flow accumulation display instrument (8) connects together with described integral body (5), (2), (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03223948 CN2600792Y (en) | 2003-02-28 | 2003-02-28 | Dismountable integral electromagnetic vortex flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03223948 CN2600792Y (en) | 2003-02-28 | 2003-02-28 | Dismountable integral electromagnetic vortex flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2600792Y true CN2600792Y (en) | 2004-01-21 |
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ID=34163100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03223948 Expired - Fee Related CN2600792Y (en) | 2003-02-28 | 2003-02-28 | Dismountable integral electromagnetic vortex flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2600792Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334302B (en) * | 2007-06-29 | 2011-03-16 | 上海星空自动化仪表有限公司 | Heavy caliber electromagnetic vortex sjeddomg flowmeter |
| CN103900645B (en) * | 2014-03-28 | 2017-01-11 | 哈尔滨工程大学 | Inserting electromagnetic vortex shedding flowmeter |
| CN110987092A (en) * | 2019-12-27 | 2020-04-10 | 东北石油大学 | Multiphase flow vortex shedding flowmeter in pit |
| CN111006726A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Underground vortex street flowmeter for underground charging type intelligent water distributor |
-
2003
- 2003-02-28 CN CN 03223948 patent/CN2600792Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334302B (en) * | 2007-06-29 | 2011-03-16 | 上海星空自动化仪表有限公司 | Heavy caliber electromagnetic vortex sjeddomg flowmeter |
| CN103900645B (en) * | 2014-03-28 | 2017-01-11 | 哈尔滨工程大学 | Inserting electromagnetic vortex shedding flowmeter |
| CN111006726A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Underground vortex street flowmeter for underground charging type intelligent water distributor |
| CN110987092A (en) * | 2019-12-27 | 2020-04-10 | 东北石油大学 | Multiphase flow vortex shedding flowmeter in pit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |