CN109341790A - A kind of bi toba flow sensor measuring not full packages water - Google Patents
A kind of bi toba flow sensor measuring not full packages water Download PDFInfo
- Publication number
- CN109341790A CN109341790A CN201811522429.1A CN201811522429A CN109341790A CN 109341790 A CN109341790 A CN 109341790A CN 201811522429 A CN201811522429 A CN 201811522429A CN 109341790 A CN109341790 A CN 109341790A
- Authority
- CN
- China
- Prior art keywords
- pressure
- static
- hole
- static pressure
- water storage
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 230000003068 static effect Effects 0.000 claims abstract description 124
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 4
- 239000002609 medium Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- G01F1/05—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 mechanical effects
- G01F1/34—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 mechanical effects by measuring pressure or differential pressure
- G01F1/36—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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/40—Details of construction of the flow constriction devices
- G01F1/46—Pitot tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/08—Air or gas separators in combination with liquid meters; Liquid separators in combination with gas-meters
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of bi toba flow sensors for measuring not full packages water, including pressure head and complete, the static pressure connecting pipe that are connected, entirely, the top of static pressure connecting pipe is connected with transmitter connector, there is complete, static pressure hole in the left and right side that the upper section of pressure head is cylindricality connector, lower section is opposite, there is complete, static pressure channel in pressure head, pressure head left and right side offers complete, static balance hole, and complete, static balance hole is connected at the top of channel with complete, static pressure respectively；It further include having to extend downward into complete, static pressure water storage hole complete, below static balance hole by pressure overhead, entirely, the top in static pressure channel passes through complete, static pressure flow-guiding channel respectively and is connected with complete, static pressure water storage hole, entirely, static pressure connecting pipe is extended to respectively in complete, static pressure water storage hole, and complete, static pressure connecting pipe bottom extends to complete, static balance hole lower section.When larger for the water-level fluctuation in pipeline, sampling pressure effect of the present invention is good, will not generate measurement error.
Description
Technical field
The present invention relates to a kind of bi toba flow sensors, concretely relate to a kind of Pitot bar for measuring not full packages water
Flow sensor.
Background technique
Bi toba flow meter is the common a kind of flowmeter of fluid flow in measurement pipeline, and bi toba flow meter is mainly by finishing
Hold in the palm bar flow sensor, differential pressure transmitter and flow integrator composition, due to bi toba flow meter composition it is simple, easy for installation and
It is widely used in the measurement of fluids within pipes flow.Bi toba flow sensor is bi toba flow meter measurement fluids within pipes
Pressure when flow, transmitting pressure elements, structure composition mainly include pressure head with the connecting pipe that is connected, connecting pipe includes
The top of total pressure connecting pipe and static pressure connecting pipe, total pressure connecting pipe and static pressure connecting pipe is connected with transmitter connector, transmitter connector
With transmitter total pressure interface and transmitter negative port, the upper section of the pressure head is the opposite left and right of cylindricality connector, lower section
Side is formed with symmetrical left and right inclined-plane, symmetrically offers full pressure hole and static pressure hole on the inclined-plane of left and right, have in pressure head with it is complete
The total pressure channel and static pressure channel that pressure hole is connected with static pressure hole, the axis of the axis and pressure head in total pressure channel and static pressure channel
It in parallel and is in the same plane, is equipped on the cylindricality connector of the pressure head upper section and is set in connecting pipe outside and and transmitter
The connected installation sleeve in connector bottom.Bi toba flow measurement buret road in fluid flow when be by Pitot bar sensor by up to
Under be perpendicularly inserted into pipeline, differential pressure transmitter is the total pressure signal and static pressure transmitted by total pressure connecting pipe and static pressure connecting pipe
Signal sends flow integrator to after being converted into corresponding standard current signal, according to the total pressure that flows fluid in pipeline and quiet
Pressure, in conjunction with the liquid level of fluids within pipes, can calculate fluids within pipes by fluid mechanics principle in flow integrator
Flow.
Using the measurement accuracy of fluid flow in the bi toba flow measurement buret road of above structure, mainly flowed by Pitot bar
The measurement accuracy of quantity sensor determined, when fluid media (medium) full of pipeline or liquid level pressure head full pressure hole and static pressure hole with
When upper, the sampling pressure effect of sensor is good, measurement accuracy is high.But when the fluid media (medium) level fluctuation in pipeline is larger, i.e. liquid
When position height is often located on the full pressure hole and static pressure hole of pressure head or less, the gas when liquid level increases in pipeline will be by total pressure
Hole and static pressure hole, which enter, is simultaneously transmitted to total pressure connecting pipe and static pressure connecting pipe for the pressure of gas, the total pressure that transmits pressure head and
There is error in static pressure signal, finally will affect the measurement accuracy of flowmeter.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind when measuring fluid flow in pipeline, even if fluids within pipes
The larger bi toba flow sensor for measuring not full packages water that will not influence sampling pressure effect of medium level fluctuation.
In order to solve the above technical problems, a kind of bi toba flow sensor for measuring not full packages water of the present invention, including pressure
Head and the connecting pipe that is connected, connecting pipe includes total pressure connecting pipe and static pressure connecting pipe, the top of total pressure connecting pipe and static pressure connecting pipe
End is connected with transmitter connector, and transmitter connector has transmitter total pressure interface and a transmitter negative port, the pressure head it is upper
The left and right side that section is cylindricality connector, lower section is opposite is formed with symmetrical left and right inclined-plane, and left and right symmetrically offers total pressure on inclined-plane
Hole and static pressure hole, have the total pressure channel and static pressure channel being connected with full pressure hole and static pressure hole in pressure head, total pressure channel and
The axis in static pressure channel is parallel with the axis of pressure head and is in the same plane, and fills on the cylindricality connector of the pressure head upper section
There is the installation sleeve for being set in and being connected outside connecting pipe and with transmitter connector bottom, pressure head left and right side symmetrically opens up
Have axis same straight line and with the total pressure balance hole of the axis perpendicular of pressure head and static balance hole, total pressure balance hole and quiet
Pressure balance hole is connected at the top of the total pressure channel and static pressure channel respectively；It further include having to be connect by pressure head upper section cylindricality
Overhead extends downward into the total pressure water storage hole below total pressure balance hole and static balance hole and static pressure water storage hole, total pressure water storage hole
It is placed in static pressure water storage hole and takes the front and rear sides of ram axis, axis and the pressure head in total pressure water storage hole and static pressure water storage hole
Axis is parallel and is in the same plane, and the top in the total pressure channel and static pressure channel passes through total pressure flow-guiding channel and quiet respectively
Pressure flow-guiding channel is connected with the total pressure water storage hole and static pressure water storage hole, the axis of total pressure flow-guiding channel and static pressure flow-guiding channel
Line is parallel to each other and is in the same plane with the axis of total pressure balance hole and static balance hole, the total pressure connecting pipe and static pressure
Connecting pipe is extended to respectively in total pressure water storage hole and static pressure water storage hole, and the bottom of total pressure connecting pipe and static pressure connecting pipe extends to total pressure
The bottom and total pressure water storage hole and static pressure water storage hole of the lower section of balance hole and static balance hole, total pressure connecting pipe and static pressure connecting pipe
Bottom between have gap；Being welded respectively at the aperture of total pressure water storage hole and static pressure water storage hole upper end has short tube, described
The short tube of total pressure connecting pipe and static pressure connecting pipe respectively at hermetically passing total pressure water storage hole and static pressure water storage hole upper end aperture extends to
In total pressure water storage hole and static pressure water storage hole.
The bi toba flow sensor of measurement not full packages water using the above structure, when use will first by total pressure water storage hole and
Water is injected in static pressure water storage hole, the height for injecting water is consistent with the height of total pressure balance hole and static balance hole, when in pipeline
Water-level fluctuation it is larger, by being gradually risen lower than the full pressure hole and static pressure hole position of pressure head, with the raising of water level, in pipeline
Gas can be discharged through the total pressure channel and static pressure channel by the total pressure balance hole and static balance hole, will not be directly right
The bottom of total pressure connecting pipe and static pressure connecting pipe generates pressure, will not generate measurement error, will not influence sampling pressure effect, in turn
Can relatively accurately in transfer canal aqueous medium total pressure and static pressure signal.Bi toba flow sensor in the present invention changes
The structure that traditional complete, static pressure connecting pipe and complete, static pressure channel are connected directly, and it is complete by setting, static balance hole is skilful
Influence of the gas to measurement pressure when not full packages water being discharged wonderfully, sampling pressure effect is good, will not generate measurement error.
Detailed description of the invention
The present invention is described in further detail with reference to the accompanying drawing.
Fig. 1 is a kind of main cross section structure diagram for measuring the not bi toba flow sensor of full packages water of the present invention.
Fig. 2 is the schematic side view of Fig. 1.
Fig. 3 is the cutaway enlargement diagram of the line A-A along Fig. 1.
Specific embodiment
Referring to figures 1-3, a kind of bi toba flow sensor for measuring not full packages water of the present invention, including 100 He of pressure head
Connected connecting pipe 200, connecting pipe 200 include total pressure connecting pipe 210 and static pressure connecting pipe 220, total pressure connecting pipe 210 and static pressure
The top of connecting pipe 220 is connected with transmitter connector 300, and transmitter connector 300 has transmitter total pressure interface 310 and transmitter negative
Mouth 320 is crimped, the upper section of the pressure head 100 is cylindricality connector 110, the left and right side that lower section is opposite is formed with symmetrical left and right
Inclined-plane 120,130 symmetrically offers full pressure hole 121 and static pressure hole 131 on left and right inclined-plane 120,130, have in pressure head 100 with
The total pressure channel 122 and static pressure channel 132 that full pressure hole 121 is connected with static pressure hole 131, total pressure channel 122 and static pressure channel 132
Axis it is parallel with the axis of pressure head 100 and be in the same plane, on the cylindricality connector 110 of 100 upper section of pressure head
Equipped with the installation sleeve 140 for being set in 200 outside of connecting pipe and being connected with 300 bottom of transmitter connector, the pressure head 100 is left
Right side symmetrically offer axis same straight line and with the total pressure balance hole 123 and static balance of the axis perpendicular of pressure head
Hole 133, total pressure balance hole 123 and static balance hole 133 top with the total pressure channel 122 and static pressure channel 132 respectively
It is connected；It further include having by extending downward into total pressure balance hole 123 at the top of 100 upper section cylindricality connector 110 of pressure head and static pressure is put down
The total pressure water storage hole 124 and static pressure water storage hole 134 of 133 lower section of weighing apparatus hole, total pressure water storage hole 124 and static pressure water storage hole 134 are placed in
Take the front and rear sides of ram axis, the axis in total pressure water storage hole 124 and static pressure water storage hole 134 is parallel with the axis of pressure head 100
And be in the same plane, the top in the total pressure channel 122 and static pressure channel 132 passes through 125 He of total pressure flow-guiding channel respectively
Static pressure flow-guiding channel 135 is connected with the total pressure water storage hole 124 and static pressure water storage hole 134, total pressure flow-guiding channel 125 and quiet
The axis of pressure flow-guiding channel 135 is parallel to each other and is generally aligned in the same plane with the axis of total pressure balance hole 123 and static balance hole 133
Interior, the total pressure connecting pipe 210 and static pressure connecting pipe 220 are extended to respectively in total pressure water storage hole 124 and static pressure water storage hole 134, and
The bottom of total pressure connecting pipe 210 and static pressure connecting pipe 220 extends to the lower section in total pressure balance hole 123 and static balance hole 133, total pressure
There is sky between connecting pipe 210 and the bottom and total pressure water storage hole 124 and the bottom in static pressure water storage hole 134 of static pressure connecting pipe 220
Gap 150；Being welded respectively at the aperture of 134 upper end of total pressure water storage hole 124 and static pressure water storage hole has short tube 160, the total pressure
Connecting pipe 210 and static pressure connecting pipe 220 are distinguished at hermetically passing total pressure water storage hole 124 and 134 upper end aperture of static pressure water storage hole
Short tube 160 extends in total pressure water storage hole 124 and static pressure water storage hole 134.Also be connected on the transmitter connector 300 with it is described complete
The total pressure blowback connector 330 and static pressure blowback connector 340 that pressure connecting pipe 210 is connected with static pressure connecting pipe 220.
Claims (2)
1. a kind of bi toba flow sensor of measurement not full packages water, including pressure head (100) and the connecting pipe (200) that is connected,
Connecting pipe (200) includes total pressure connecting pipe (210) and static pressure connecting pipe (220), total pressure connecting pipe (210) and static pressure connecting pipe
(220) top is connected with transmitter connector (300), and transmitter connector (300) has transmitter total pressure interface (310) and transmitter
Negative port (320), the left and right side that the upper section of the pressure head (100) is cylindricality connector (110), lower section is opposite are formed with pair
The left and right inclined-plane (120,130) of title, left and right inclined-plane symmetrically offer full pressure hole (121) and static pressure hole (131) on (120,130),
There is the total pressure channel (122) and static pressure channel being connected with full pressure hole (121) and static pressure hole (131) in pressure head (100)
(132), the axis of total pressure channel (122) and static pressure channel (132) is parallel with the axis of pressure head (100) and is generally aligned in the same plane
It is interior, it is equipped on the cylindricality connector (110) of pressure head (100) upper section and is set in connecting pipe (200) outside and is connect with transmitter
The connected installation sleeve (140) in head (300) bottom, it is characterised in that: pressure head (100) left and right side symmetrically offers axis
Line same straight line and with the total pressure balance hole (123) of the axis perpendicular of pressure head and static balance hole (133), total pressure balance
Hole (123) and static balance hole (133) are connected at the top of the total pressure channel (122) and static pressure channel (132) respectively；
It further include having by extending downward into total pressure balance hole (123) and static balance at the top of pressure head (100) upper section cylindricality connector (110)
Total pressure water storage hole (124) and static pressure water storage hole (134) below hole (133), total pressure water storage hole (124) and static pressure water storage hole
(134) it is placed in and takes the front and rear sides of ram axis, the axis and pressure in total pressure water storage hole (124) and static pressure water storage hole (134)
The axis of head (100) is parallel and is in the same plane, the top difference of the total pressure channel (122) and static pressure channel (132)
Pass through total pressure flow-guiding channel (125) and static pressure flow-guiding channel (135) and the total pressure water storage hole (124) and static pressure water storage hole
(134) be connected, the axis of total pressure flow-guiding channel (125) and static pressure flow-guiding channel (135) be parallel to each other and with total pressure balance hole
(123) it is in the same plane with the axis of static balance hole (133), the total pressure connecting pipe (210) and static pressure connecting pipe
(220) it extends to respectively in total pressure water storage hole (124) and static pressure water storage hole (134), and total pressure connecting pipe (210) and static pressure connecting pipe
(220) bottom extends to the lower section of total pressure balance hole (123) and static balance hole (133), and total pressure connecting pipe (210) and static pressure are led
There are gap (150) between the bottom and total pressure water storage hole (124) and the bottom in static pressure water storage hole (134) of pressure pipe (220)；It is located at
Being welded respectively at the aperture of total pressure water storage hole (124) and static pressure water storage hole (134) upper end has short tube (160), the total pressure pilot
Manage (210) and static pressure connecting pipe (220) hermetically passing total pressure water storage hole (124) and static pressure water storage hole (134) upper end aperture respectively
The short tube (160) at place extends in total pressure water storage hole (124) and static pressure water storage hole (134).
2. the bi toba flow sensor as described in claim 1 for measuring not full packages water, it is characterised in that: the transmitter
The total pressure blowback connector being connected with the total pressure connecting pipe (210) and static pressure connecting pipe (220) is also connected on connector (300)
(330) and static pressure blowback connector (340).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522429.1A CN109341790B (en) | 2018-12-13 | 2018-12-13 | Pitotbar flow sensor for measuring water not full of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522429.1A CN109341790B (en) | 2018-12-13 | 2018-12-13 | Pitotbar flow sensor for measuring water not full of pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109341790A true CN109341790A (en) | 2019-02-15 |
| CN109341790B CN109341790B (en) | 2020-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811522429.1A Active CN109341790B (en) | 2018-12-13 | 2018-12-13 | Pitotbar flow sensor for measuring water not full of pipe |
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| Country | Link |
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| CN (1) | CN109341790B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686736A (en) * | 2019-11-14 | 2020-01-14 | 上海权宥环保科技有限公司 | Pressure taking head of Pitotbar flow sensor |
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| US5481925A (en) * | 1994-09-09 | 1996-01-09 | Environmental Technologies, Inc. | Low turbulence airflow sensor |
| CN202101704U (en) * | 2011-05-26 | 2012-01-04 | 上海华强浮罗仪表有限公司 | Porous pressure measurement Verabar flowmeter |
| CN104122048A (en) * | 2014-08-06 | 2014-10-29 | 苏州宝骅机械技术有限公司 | High-pressure gas tightness detection system |
| CN203964967U (en) * | 2014-08-07 | 2014-11-26 | 辽宁毕托巴科技有限公司 | A kind of measurement is the flow measurement device of full packages sewage not |
| CN204301915U (en) * | 2014-11-26 | 2015-04-29 | 扬州江天流量仪表有限公司 | With the T-shaped pressure drag differential pressure pick-up of steam vent |
| CN207456534U (en) * | 2017-09-25 | 2018-06-05 | 艾默生(北京)仪表有限公司 | For the integrated form connector and differential pressure flowmeter of differential pressure flowmeter |
-
2018
- 2018-12-13 CN CN201811522429.1A patent/CN109341790B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5481925A (en) * | 1994-09-09 | 1996-01-09 | Environmental Technologies, Inc. | Low turbulence airflow sensor |
| CN202101704U (en) * | 2011-05-26 | 2012-01-04 | 上海华强浮罗仪表有限公司 | Porous pressure measurement Verabar flowmeter |
| CN104122048A (en) * | 2014-08-06 | 2014-10-29 | 苏州宝骅机械技术有限公司 | High-pressure gas tightness detection system |
| CN203964967U (en) * | 2014-08-07 | 2014-11-26 | 辽宁毕托巴科技有限公司 | A kind of measurement is the flow measurement device of full packages sewage not |
| CN204301915U (en) * | 2014-11-26 | 2015-04-29 | 扬州江天流量仪表有限公司 | With the T-shaped pressure drag differential pressure pick-up of steam vent |
| CN207456534U (en) * | 2017-09-25 | 2018-06-05 | 艾默生(北京)仪表有限公司 | For the integrated form connector and differential pressure flowmeter of differential pressure flowmeter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686736A (en) * | 2019-11-14 | 2020-01-14 | 上海权宥环保科技有限公司 | Pressure taking head of Pitotbar flow sensor |
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| Publication number | Publication date |
|---|---|
| CN109341790B (en) | 2020-05-01 |
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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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210119 Address after: 112600 No. 265, Ling Dong Street, Tieling Economic Development Zone, Tieling, Liaoning Patentee after: Liaoning pitotbar Polytron Technologies Inc. Address before: 201500 room 3356, 65 lane, 65 Ring Road, Fengjing town, Jinshan District, Shanghai. Patentee before: SHANGHAI QUANYOU ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 265 Lingdong Street, Tieling Economic Development Zone, Tieling City, Liaoning Province, 112366 Patentee after: Liaoning Bitobar Technology Co.,Ltd. Address before: 112600 No. 265, Ling Dong Street, Tieling Economic Development Zone, Tieling, Liaoning Patentee before: Liaoning pitotbar Polytron Technologies Inc. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Bitoba flow sensor for measuring incomplete water in pipes Effective date of registration: 20231228 Granted publication date: 20200501 Pledgee: Tieling Branch of Shengjing Bank Co.,Ltd. Pledgor: Liaoning Bitobar Technology Co.,Ltd. Registration number: Y2023210000358 |