CN201126365Y - Clear collection type temperature head compensating vortex street effusion meter - Google Patents
Clear collection type temperature head compensating vortex street effusion meter Download PDFInfo
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- CN201126365Y CN201126365Y CNU2007200976048U CN200720097604U CN201126365Y CN 201126365 Y CN201126365 Y CN 201126365Y CN U2007200976048 U CNU2007200976048 U CN U2007200976048U CN 200720097604 U CN200720097604 U CN 200720097604U CN 201126365 Y CN201126365 Y CN 201126365Y
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- explosion
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Abstract
A mingji type warm press compensation vortex shedding flowmeter is provided. An explosion proof flowmeter head is permanently connected with a connection box cover of an explosion proof connection box and the bottom of the explosion proof connection box is connected with a flow sensor by a hollow connection rod and a pressure sensor is mounted on the flow sensor and at the upstream of a vortex detection body and a temperature sensor is mounted on the flow sensor and at the downstream of the vortex detection body. An entrance hole is on the explosion proof connection box and the connection lines of the pressure sensor and the temperature sensor respectively pass through each entrance hole and are connected with the connection terminals in the explosion proof connection box. The connection line of the flow sensor passes through the connection rod and is connected with the connection terminal in the explosion proof connection box. The connection line in the explosion proof flowmeter head passes through the explosion proof connection box cover and is connected with the connection terminal in the explosion proof connection box. The flow, pressure, temperature sensors are dependently mounted in one structure and are convenient for examining and repairing with low maintenance cost. The flowmeter head can optionally perform the running fix in 330 degree around the shaft to utmost satisfy for viewing the display window from each visual angle.
Description
Technical field
The utility model relates to a kind of vortex shedding flow meter, particularly relate to and a kind of flow, pressure, three kinds of sensing element unifications of temperature are arranged on one above the structural housing, be suitable for all temps pressure occasion, solved a kind of bright collection formula temperature and pressure compensation vortex shedding flow meter that in fluid mass flow and the mark side's flow measurement process density of detected fluid is carried out the temperature pressure compensation correction effectively.
Background technology
At present, for temperature and pressure compensation type vortex shedding flow meter, both at home and abroad prior art mostly is that temperature element (TE) and pressure elements are built in (integral type) among vortex street probe or the eddy generator.Because general pressure elements can only bear medium and low temperature, can not bear high temperature, so prior art generally can only be applied to the measurement of medium and low temperature medium, often take pressure elements is moved on to and shows on the close pipeline of body in the high temperature occasion, adopt the split type installation of pressure-inducting device.In addition, because the discreteness of pressure elements signal is bigger, prior art is taked pressure transducer and the supporting one to one verification of flowmeter, supporting then assembling.The technology that also has adopts not equipped pressure elements, only pressure parameter is simply adopted parameter setting to handle.Therefore the characteristics of prior art are: the built-in installation of temperature, pressure element, or pressure elements is not installed; Advantage is a compact conformation, and outward appearance is simple; But shortcoming is: the internal hidden type structure complex process is difficult for maintain and replace, element cost and maintenance cost height; And be not easy to the high-temperature medium environment and use, temperature element (TE) only is being housed, do not adorn pressure elements and when adopting the parameter setting mode, compensation effect is bad; During supporting one to one assembling pressure transducer, in case the fault of being damaged, the unusual difficulty of straightened up in place behind the sensor that more renews is not if proofread and correct the service precision extreme difference.
Summary of the invention
Technical problem to be solved in the utility model is, provide a kind of flow, pressure, three kinds of sensing element unifications of temperature to be arranged on one above the structural housing, and independent the installation, easy access, maintenance cost is low, be suitable for all temps pressure occasion, and carry out pressure parameter with pressure transducer actual range and signal amplitude and set, solved the pressure sensor signal discreteness effectively to the supporting adverse effect of interchangeability, bright collection formula temperature and pressure compensation vortex shedding flow meter that can very convenient supporting pressure transducer accurately.
The technical scheme that the utility model adopted is: a kind of bright collection formula temperature and pressure compensation vortex shedding flow meter, include explosion-proof flowmeter gauge outfit, flow sensor, also be provided with anti-explosion terminal box, pressure transducer and temperature sensor, described explosion-proof flowmeter gauge outfit is fixedlyed connected with the explosion-proof wiring lid of anti-explosion terminal box, the bottom of anti-explosion terminal box is connected with flow sensor by the connecting link of hollow, described pressure transducer and temperature sensor all are connected on the flow sensor, wherein, pressure transducer is positioned at the upstream of the vortex detection body of flow sensor, and temperature sensor is positioned at the downstream of the vortex detection body of flow sensor; On anti-explosion terminal box, have the entrance hole of pressure transducer and temperature sensor, the connection terminal that the connecting line of pressure transducer and temperature sensor penetrates respectively in separately entrance hole and the anti-explosion terminal box is connected, the connection terminal that the connecting line of flow sensor runs through in connecting link and the anti-explosion terminal box is connected, and the connecting line in the explosion-proof flowmeter gauge outfit runs through the interior connection terminal of explosion-proof wiring lid and anti-explosion terminal box and is connected.
Described pressure transducer is fixedly connected on the flow sensor by needle valve and pressure gauge stand; Temperature sensor is fixedly connected on the flow sensor by the temperature gauge stand.
Described temperature sensor is fixedly connected on the flow sensor by the temperature gauge stand; Pressure transducer is to be connected on the flow sensor by needle valve, U type condenser pipe and 90 ° of elbows, wherein, pressure transducer is connected with needle valve, needle valve connects an end of U type condenser pipe by flat seal head alive, the other end of U type condenser pipe connects 90 ° of elbows by flat seal head alive, and 90 ° of elbows directly are fixedly connected on the flow sensor.
Described needle valve also is fixed on the connecting link by L type bent plate and U type clip, and wherein, needle valve is by the end of screw retention at L type bent plate, and the other end of L type bent plate is fixed on the connecting link by U type clip.
Described explosion-proof wiring lid is made up of lid and connecting link two parts, outer periphery at connecting link is formed with flange, the bottom of described explosion-proof flowmeter gauge outfit is formed with the adapter sleeve with its internal communication, the connecting link of explosion-proof wiring lid inserts in the adapter sleeve of explosion-proof flowmeter gauge outfit, and fixedlys connected with adapter sleeve by screw on the flange and screw.
The side of the adapter sleeve of described explosion-proof flowmeter gauge outfit is provided with spacing jackscrew, is formed with two axial back-up rings up and down with spacing jackscrew corresponding section on the outer peripheral face of connecting link.
Described connecting link is formed with the O type circle that guarantees sealing on the outer peripheral face that the adapter sleeve with explosion-proof flowmeter gauge outfit contacts.
Described connecting link also is formed with the circumferential shotpin of the explosion-proof flowmeter gauge outfit anglec of rotation of control on the outer peripheral face that the adapter sleeve with explosion-proof flowmeter gauge outfit contacts.
The top of described connecting link forms the explosion suppresion surface with the explosion-proof surface of contact of seam type with the contacting of adapter sleeve of explosion-proof flowmeter gauge outfit.
Bright collection formula temperature and pressure compensation vortex shedding flow meter of the present utility model is arranged on one above the structural housing with flow, pressure, three kinds of sensing element unifications of temperature, and independent the installation, easy access, and erected cost and maintenance cost are low; Explosion-proof flowmeter gauge outfit can be around its axis any rotational positioning in 330 °, to satisfy each view display window to greatest extent, the convenient use; The U type condenser pipe of design can effectively be isolated high temperature and be transmitted pressure, and needle valve makes things convenient for the pressure maintenance, can make flowmeter be used in the high temperature occasion easily like this; Actual range and signal amplitude with pressure transducer are carried out the pressure parameter setting, have solved the pressure sensor signal discreteness effectively to the supporting adverse effect of interchangeability, make the supporting pressure transducer of this utility model very convenient accurately.Design has explosion-proof and non-type of protection [of an electrical apparatus for explosive atmospheres, is convenient to use under the various environment.
Description of drawings
Fig. 1 is the bright collection formula of a utility model normal temperature temperature and pressure compensation vortex shedding flow meter structural representation;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the bright collection formula of a utility model high temperature temperature and pressure compensation vortex shedding flow meter structural representation;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the local structural representation that amplifies of Fig. 3;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is the section structure synoptic diagram that the explosion-proof flowmeter gauge outfit of the bright collection formula of the utility model temperature and pressure compensation vortex shedding flow meter combines with the explosion-proof wiring lid;
Fig. 8 is the A-A section of Fig. 7 and the structural representation of explosion-proof flowmeter gauge outfit.
Wherein:
1: explosion-proof flowmeter gauge outfit 2: anti-explosion terminal box
3: pressure transducer 4: temperature sensor
5: flow sensor 6: needle valve
7: structure fastening kit 8:U type condenser pipe
9:O type circle 10: axial back-up ring
11: spacing jackscrew 12: explosion suppresion surface
13: trip bolt 14: circumferential shotpin
15: 16:90 ° of elbow of flat seal articulation
17:L shape bent plate 18:U shape clip
19: the fastening screw 20 of needle-valve: connecting link
21: entrance hole 22: the explosion-proof wiring lid
23: pressure gauge stand 24: the temperature gauge stand
Embodiment
Provide specific embodiment below in conjunction with accompanying drawing, further specify bright collection formula temperature and pressure compensation vortex shedding flow meter of the present utility model and how to realize.
As shown in Figure 1 and Figure 2, bright collection formula temperature and pressure compensation vortex shedding flow meter, include explosion-proof flowmeter gauge outfit 1, flow sensor 5, also be provided with anti-explosion terminal box 2, pressure transducer 3 and temperature sensor 4, described explosion-proof flowmeter gauge outfit 1 is fixedlyed connected with the explosion-proof wiring lid 22 of anti-explosion terminal box 2, and the bottom of anti-explosion terminal box 2 is connected with flow sensor 5 by the connecting link 20 of hollow, and described pressure transducer 3 is connected on the flow sensor 5 by needle valve 6 and pressure gauge stand 23; Temperature sensor 4 is connected on the flow sensor 5 by temperature gauge stand 24, wherein, pressure transducer 3 is positioned at the upstream of the vortex detection body of flow sensor 5, and temperature sensor 4 is positioned at the downstream of the vortex detection body of flow sensor 5, thereby as a whole with the vortex shedding flow meter set; On anti-explosion terminal box 2, have the entrance hole 21 of pressure transducer 3 and temperature sensor 4, the connection terminal that the connecting line of pressure transducer 3 and temperature sensor 4 penetrates respectively in separately entrance hole 21 and the anti-explosion terminal box 2 is connected, the connection terminal that the connecting line of flow sensor 5 runs through in connecting link 20 and the anti-explosion terminal box 2 is connected, connecting line in the explosion-proof flowmeter gauge outfit 1 runs through explosion-proof wiring lid 22 and anti-explosion terminal box 2 interior connection terminals and is connected, thereby with flow, temperature, the electric interfaces unification of three sensors of pressure is connected in the anti-explosion terminal box below the flowmeter gauge outfit.
When above-mentioned bright collection formula temperature and pressure compensation vortex shedding flow meter is used to measure under the situation of normal temperature medium, adopt structure as shown in Figure 1 and Figure 2, pressure transducer 3 is connected on the flow sensor 5 by needle valve 6 and pressure gauge stand 23; Temperature sensor 4 is connected on the flow sensor 5 by temperature gauge stand 24.
When above-mentioned bright collection formula temperature and pressure compensation vortex shedding flow meter is used to measure under the situation of high-temperature medium, adopt as Fig. 3, Fig. 4, shown structure, temperature sensor 4 wherein is fixedly connected on the flow sensor 5 by the temperature gauge stand, and pressure transducer 3 is by needle valve 6, U type condenser pipe 8 and 90 ° of elbows 16 are connected on the flow sensor 5, wherein, pressure transducer 3 is connected with needle valve 6, needle valve 6 is by alive 15 end that connects U type condenser pipes 8 of flat seal, the other end of U type condenser pipe 8 connects 90 ° of elbows 16 by alive 15 of flat seal, 90 ° of elbows 16 directly are fixedly connected on the flow sensor 5, effectively isolate high temperature and measure pressure.The U type condenser pipe 8 of above-mentioned design can effectively be isolated high temperature and be transmitted pressure, and needle valve 6 makes things convenient for the pressure maintenance, can make flowmeter be used in the high temperature occasion easily like this.
As Fig. 5, shown in Figure 6, described needle valve 6 also is fixed on the connecting link 20 by the structure fastening kit of being made up of L type bent plate 17 and U type clip 18 7, wherein, needle valve 6 is by the end of screw retention at L type bent plate 17, and the other end of L type bent plate 17 is fixed on the connecting link 20 by U type clip 18.
As Fig. 7, shown in Figure 8, described explosion-proof wiring lid 22 is made up of lid 22a and connecting link 22b two parts, outer periphery at connecting link 22b is formed with flange 22c, the base of described explosion-proof flowmeter gauge outfit 1 is formed with the adapter sleeve 1a with its internal communication, the connecting link 22b of explosion-proof wiring lid 22 inserts in the adapter sleeve 1a of explosion-proof flowmeter gauge outfit 1, and fixedlys connected with adapter sleeve 1a by screw and screw 13 on the flange 22c.
The side of the adapter sleeve 1a of described explosion-proof flowmeter gauge outfit 1 is provided with spacing jackscrew 11, is formed with two axial back-up rings 10 up and down with spacing jackscrew 11 corresponding sections on the outer peripheral face of connecting link 22b.Described connecting link 22b with outer peripheral face that the adapter sleeve 1a of explosion-proof flowmeter gauge outfit 1 contacts on be formed with the O type circle 9 that guarantees sealing.Described connecting link 22b with outer peripheral face that the adapter sleeve 1a of explosion-proof flowmeter gauge outfit 1 contacts on also be formed with the circumferential shotpin 14 of explosion-proof flowmeter gauge outfit 1 anglec of rotation of control.
After unclamping trip bolt 13, the explosion-proof flowmeter gauge outfit 1 that is connected with anti-explosion terminal box 2 can be prolonged its axis and be rotated 330 ° arbitrarily, when realizing this function, can guarantee explosion-proof flowmeter gauge outfit 1 and the sealing of anti-explosion terminal box 2 junctions, can also guarantee that explosion-proof flowmeter gauge outfit 1 do not throw off with anti-explosion terminal box 2.And, guarantee sealing and prevent to throw off, be that to axially fasten on screw 13 and the explosion-proof flowmeter gauge outfit 1 spacing jackscrew 11 with the axial back-up ring of the last O type circle of the connecting link 22b of explosion-proof connector cover 22 9, two 10, four be the structure realization.
The top of described connecting link 22a forms the explosion suppresion surface 12 with the explosion-proof surface of contact of seam type with the contacting of adapter sleeve 1a of explosion-proof flowmeter gauge outfit 1.
The utility model can be realized various types such as the output of two-wire system or three-wire system 4-20mA electric current, the output of three-wire system 1-5V voltage, three-wire system electric voltage frequency or pulse output, RS485 communication, powered battery, fieldbus on signaling mode.
Claims (9)
1. bright collection formula temperature and pressure compensation vortex shedding flow meter, include explosion-proof flowmeter gauge outfit (1), flow sensor (5), it is characterized in that, also be provided with anti-explosion terminal box (2), pressure transducer (3) and temperature sensor (4), described explosion-proof flowmeter gauge outfit (1) is fixedlyed connected with the explosion-proof wiring lid (22) of anti-explosion terminal box (2), the bottom of anti-explosion terminal box (2) is connected with flow sensor (5) by the connecting link (20) of hollow, described pressure transducer (3) and temperature sensor (4) all are connected on the flow sensor (5), wherein, pressure transducer (3) is positioned at the upstream of the vortex detection body of flow sensor (5), and temperature sensor (4) is positioned at the downstream of the vortex detection body of flow sensor (5); On anti-explosion terminal box (2), have the entrance hole (21) of pressure transducer (3) and temperature sensor (4), the connection terminal that the connecting line of pressure transducer (3) and temperature sensor (4) penetrates respectively in separately entrance hole (21) and the anti-explosion terminal box (2) is connected, the connection terminal that the connecting line of flow sensor (5) runs through in connecting link (20) and the anti-explosion terminal box (2) is connected, and the connecting line in the explosion-proof flowmeter gauge outfit (1) runs through the interior connection terminal of explosion-proof wiring lid (22) and anti-explosion terminal box (2) and is connected.
2. bright collection formula temperature and pressure compensation vortex shedding flow meter according to claim 1 is characterized in that described pressure transducer (3) is fixedly connected on the flow sensor (5) by needle valve (6) and pressure gauge stand (23); Temperature sensor (4) is fixedly connected on the flow sensor (5) by temperature gauge stand (24).
3. bright collection formula temperature and pressure compensation vortex shedding flow meter according to claim 1 is characterized in that described temperature sensor (4) is fixedly connected on the flow sensor (5) by temperature gauge stand (24); Pressure transducer (3) is to be connected on the flow sensor (5) by needle valve (6), U type condenser pipe (8) and 90 ° of elbows (16), wherein, pressure transducer (3) is connected with needle valve (6), needle valve (6) connects an end of U type condenser pipes (8) by flat seal head alive (15), the other end of U type condenser pipe (8) connects 90 ° of elbows (16) by flat seal head alive (15), and 90 ° of elbows (16) directly are fixedly connected on the flow sensor (5).
4. bright collection formula temperature and pressure compensation vortex shedding flow meter according to claim 3, it is characterized in that, described needle valve (6) also is fixed on the connecting link (20) by L type bent plate (17) and U type clip (18), wherein, needle valve (6) is by the end of screw retention at L type bent plate (17), and the other end of L type bent plate (17) is fixed on the connecting link (20) by U type clip (18).
5. bright collection formula temperature and pressure compensation vortex shedding flow meter according to claim 1, it is characterized in that, described explosion-proof wiring lid (22) is made up of lid (22a) and connecting link (22b) two parts, outer periphery at connecting link (22b) is formed with flange (22c), the bottom of described explosion-proof flowmeter gauge outfit (1) is formed with the adapter sleeve (1a) with its internal communication, the connecting link (22b) of explosion-proof wiring lid (22) inserts in the adapter sleeve (1a) of explosion-proof flowmeter gauge outfit (1), and fixedlys connected with adapter sleeve (1a) by screw and screw (13) on the flange (22c).
6. bright collection formula temperature and pressure compensation vortex shedding flow meter according to claim 5, it is characterized in that, the side of the adapter sleeve (1a) of described explosion-proof flowmeter gauge outfit (1) is provided with spacing jackscrew (11), is formed with two axial back-up rings (10) up and down with spacing jackscrew (11) corresponding section on the outer peripheral face of connecting link (22b).
7. bright collection formula temperature and pressure compensation vortex shedding flow meter according to claim 5 is characterized in that, described connecting link (22b) with outer peripheral face that the adapter sleeve (1a) of explosion-proof flowmeter gauge outfit (1) contacts on be formed with the O type circle (9) that guarantees sealing.
8. bright collection formula temperature and pressure compensation vortex shedding flow meter according to claim 5, it is characterized in that, described connecting link (22b) with outer peripheral face that the adapter sleeve (1a) of explosion-proof flowmeter gauge outfit (1) contacts on also be formed with the circumferential shotpin (14) of control explosion-proof flowmeter gauge outfit (1) anglec of rotation.
9. bright collection formula temperature and pressure compensation vortex shedding flow meter according to claim 5 is characterized in that, the top of described connecting link (22a) forms the explosion suppresion surface (12) with the explosion-proof surface of contact of seam type with the contacting of adapter sleeve (1a) of explosion-proof flowmeter gauge outfit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200976048U CN201126365Y (en) | 2007-11-09 | 2007-11-09 | Clear collection type temperature head compensating vortex street effusion meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200976048U CN201126365Y (en) | 2007-11-09 | 2007-11-09 | Clear collection type temperature head compensating vortex street effusion meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201126365Y true CN201126365Y (en) | 2008-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200976048U Expired - Lifetime CN201126365Y (en) | 2007-11-09 | 2007-11-09 | Clear collection type temperature head compensating vortex street effusion meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201126365Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858761A (en) * | 2009-02-13 | 2010-10-13 | 旭有机材工业株式会社 | Swirl flowmeter |
| CN103808373A (en) * | 2014-01-26 | 2014-05-21 | 上海肯特仪表股份有限公司 | High-precision vortex flowmeter |
| CN105371916A (en) * | 2014-09-01 | 2016-03-02 | 江苏三剂实业有限公司 | Swiveling pipe liquid flowmeter |
| CN109632030A (en) * | 2018-11-06 | 2019-04-16 | 上海库科自动化科技有限公司 | A kind of municipal administration gas flow pressure monitoring system |
| CN112903040A (en) * | 2019-11-18 | 2021-06-04 | 阿自倍尔株式会社 | Electromagnetic flowmeter |
-
2007
- 2007-11-09 CN CNU2007200976048U patent/CN201126365Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858761A (en) * | 2009-02-13 | 2010-10-13 | 旭有机材工业株式会社 | Swirl flowmeter |
| CN101858761B (en) * | 2009-02-13 | 2013-07-10 | 旭有机材工业株式会社 | A vortex flowmeter |
| CN103808373A (en) * | 2014-01-26 | 2014-05-21 | 上海肯特仪表股份有限公司 | High-precision vortex flowmeter |
| CN105371916A (en) * | 2014-09-01 | 2016-03-02 | 江苏三剂实业有限公司 | Swiveling pipe liquid flowmeter |
| CN109632030A (en) * | 2018-11-06 | 2019-04-16 | 上海库科自动化科技有限公司 | A kind of municipal administration gas flow pressure monitoring system |
| CN112903040A (en) * | 2019-11-18 | 2021-06-04 | 阿自倍尔株式会社 | Electromagnetic flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGHUAN TIG CO., LTD. Free format text: FORMER OWNER: TIANJIN TIG INSTRUMENTS GROUP CO., LTD. Effective date: 20101201 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300110 NO.92, CHANGJIANG ROAD, NANKAI DISTRICT, TIANJIN TO: 300384 NO.1, ROAD 2, HI-TECH DEVELOPMENT, HUAYUAN INDUSTRIAL PARK (OUTER RING), TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101201 Address after: 300384 Tianjin Huayuan Industrial Park (outer ring) Haitai development two Road No. 1 Patentee after: Zhonghuan TIG Co., Ltd. Address before: 300110 No. 92 Changjiang Road, Tianjin, Nankai District Patentee before: Tianjin Tianyi Group Instrument Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081001 |