CN207163507U - A kind of Combined gas flow meter - Google Patents
A kind of Combined gas flow meter Download PDFInfo
- Publication number
- CN207163507U CN207163507U CN201721307431.8U CN201721307431U CN207163507U CN 207163507 U CN207163507 U CN 207163507U CN 201721307431 U CN201721307431 U CN 201721307431U CN 207163507 U CN207163507 U CN 207163507U
- Authority
- CN
- China
- Prior art keywords
- hole
- housing
- bearing
- gas flow
- flow meter
- 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.)
- Active
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
It the utility model is related to a kind of Combined gas flow meter, a kind of Combined gas flow meter, including housing, bearing and display screen assembly, housing is connected with display screen assembly by bearing, offered in housing and hold the passage that fluid passes through, the piezoelectric transducer for being used for flow in Measurement channel is provided with bearing, the induction end of piezoelectric transducer is located in passage, piezoelectric transducer is fixedly connected with the casing, vortex generator is provided with passage, vortex generator and the thermal sensor for measuring tiny flow quantity are fixed with housing, thermal sensor is located at the surface of vortex generator, induction cavity is provided between the induction end and housing of thermal sensor, it is with hole and portals in vortex generator, enter hole to connect by induction cavity with portalling.The utility model improves measuring accuracy and the process for measuring range ratio, meeting the measuring requirement of field working conditions, simplifying accurate measurement fluid.
Description
Technical field
It the utility model is related to flowmeter, and in particular to a kind of Combined gas flow meter.
Background technology
At present, the various flow instruments that the flow instrument producer of main flow is produced in the world, due to the original in measuring principle
Cause, the limitation of separate unit instrument range of flow is caused, general range is all 1：10 or so.Moreover, the fluid in flow conduit
Often there is too fast and excessively slow situation and occurred in flow velocity, the flow rates that can be measured considerably beyond instrument, beyond metering model
The fluid enclosed typically all can not accurately be recorded by flow instrument, in addition basic just record less than.It is existing any a
Flow instrument can not meet the measuring requirement of field working conditions, and the accurate measurement to fluid brings very big difficulty.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of Combined gas flow meter, improve measuring accuracy and
Metering range ratio, the process for meeting the measuring requirement of field working conditions, simplifying accurate measurement fluid.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of Combined gas flow meter, including shell
Body, bearing and display screen assembly, the housing are connected by the bearing with the display screen assembly, offered in the housing
Hold the passage that fluid passes through, the piezoelectric transducer for being used for flow in Measurement channel, the piezoelectric transducer are provided with the bearing
Induction end be located in the passage, the piezoelectric transducer is fixedly connected with the housing, and vortex is provided with the passage and is sent out
Device is given birth to, vortex generator and the thermal sensor for measuring tiny flow quantity, the thermal sensor are fixed with the housing
Positioned at the surface of the vortex generator, induction cavity, institute are provided between the induction end of the thermal sensor and the housing
State and be with hole and portal in vortex generator, it is described enter hole with it is described portal connected by the induction cavity.
The beneficial effects of the utility model are：Low discharge is measured by thermal sensor, piezoelectric transducer measures big flow,
Improve the measuring range and measurement accuracy of flowmeter.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
It is described enter hole include lateral aperture A, Duo Gesuo that a vertical holes A and multiple directions along vertical holes A are uniformly arranged
The one end for stating lateral aperture A connects with the passage, and the multiple lateral aperture A other end connects with the vertical holes A, institute
Vertical holes A is stated to connect with the induction cavity.
Beneficial effect using above-mentioned further scheme is to prevent tiny flow quantity from convection current occurs after hole entrance is entered, and is easy to flow
Body measures through lateral aperture A, vertical holes A and induction cavity successively.
The lateral aperture B being uniformly arranged including a vertical holes B and multiple directions along vertical holes B that portals, it is described perpendicular
Straight hole B is connected with the vertical holes A by the induction cavity, and the multiple lateral aperture B one end connects with the vertical holes B
Logical, the multiple lateral aperture B other end connects with the passage.
It is easy for flowing into through vertical holes B and lateral aperture A after fluid measurement using the beneficial effect of above-mentioned further scheme and leads to
Road, prevent convection current.
Temperature sensor is provided between described housing and the bearing, installation through-hole A is offered on the housing, it is described
The induction end of temperature sensor is through the installation through-hole A and in the passage.
Beneficial effect using above-mentioned further scheme is temperature value directly can be included into compensation meter when calculating normal flow
Calculate, improve the precision of measurement result.
Pressure sensor is provided between described housing and the bearing, installation through-hole B is offered on the housing, it is described
Installation through-hole connects with the passage, and the pressure sensor is installed on the housing and the induction end position of pressure sensor
In in the installation through-hole B.
Beneficial effect using above-mentioned further scheme is pressure value directly can be included into compensation meter when calculating normal flow
Calculate, improve the precision of measurement result.
The both ends of described housing are equipped with ring flange, and two ring flanges are integrally formed with the housing.
It is easy for being installed on pipeline using the beneficial effect of above-mentioned further scheme, convection body is measured in real time.
The top of described housing is fixedly connected with the bottom of the bearing, and the top of the bearing and the display screen are total
Connected into by connector.
Display screen assembly is easy to staff to see in the top when beneficial effect using above-mentioned further scheme is measurement
Examine and record measurement data.
The bottom of described display screen assembly offers upper tapped through hole, and lower screw thread is offered at the top of the bearing and is led to
Hole, axially extending bore is offered in the connector, and the inner chamber of the bearing passes through the axially extending bore with the display screen assembly
Connection, the connector be externally provided with branch brace shoulder, with the upper tapped through hole coordinate upper external screw thread and with the lower tapped through hole
The lower external screw thread coordinated, the upper externally threaded bottom are connected by the connector with the top of the branch brace shoulder, the branch
The bottom of brace shoulder by the connector with it is described under externally threaded top be connected.
Beneficial effect using above-mentioned further scheme is simple in construction and stable connection, is easy to sensor and display screen
Electric wire used is electrically connected between assembly directly through axially extending bore, is easy to sensor to be connected with display screen assembly, while can be with
Have the function that to save space and protect electric wire.
The bearing is provided with plug, and installation through-hole C, the installation through-hole C are offered at the top of the bearing and is located at institute
The surface of thermal sensor is stated, the plug is tightly connected with the installation through-hole C.
The direct placement and taking-up of thermal sensor are easy for using the beneficial effect of above-mentioned further scheme, is easy to tie up
Repair.
Described lateral aperture A diameter is less than the diameter of the vertical holes A, and the diameter of the lateral aperture B is less than described erect
Straight hole B diameter.
Beneficial effect using above-mentioned further scheme is further to prevent fluid from entering hole and interior generation convection current of portalling, and is protected
Card measurement work carries out obtaining precise and high efficiency.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is Fig. 1 I portions partial enlarged drawing；
Fig. 3 is the structural representation of connector；
Fig. 4 is the structural representation of display screen assembly；
Fig. 5 is the structural representation of bearing；
In accompanying drawing, the list of parts representated by each label is as follows：
1st, housing, 2, vortex generator, 3, piezoelectric transducer, 4, temperature sensor, 5, pressure sensor, 6, bearing, 7,
Passage, 8, display screen assembly, 9, thermal sensor, 10, induction cavity, 11, lateral aperture A, 12, vertical holes A, 13, vertical holes B, 14,
Lateral aperture B, 15, axially extending bore, 16, connector, 17, branch brace shoulder, 18, ring flange, 19, upper external screw thread, 20, lower external screw thread, 21,
Upper tapped through hole, 22, lower tapped through hole, 23, installation through-hole C, 24, plug.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in Fig. 1~5, including housing 1, bearing 6 and display screen assembly 8, housing 1 and display screen assembly 8 pass through bearing 6
Connect, offered in housing 1 and hold the passage 7 that fluid passes through, the piezoelectric sensing for being used for flow in Measurement channel 7 is provided with bearing 6
Device 3, the induction end of piezoelectric transducer 3 are located in passage 7, and piezoelectric transducer 3 is fixedly connected with housing 1, and vortex is provided with passage 7
Generator 2, vortex generator 2 and the thermal sensor 9 for measuring tiny flow quantity, thermal sensor 9 are fixed with housing 1
In the surface of vortex generator 2, induction cavity 10, vortex generator 2 are provided between the induction end and housing 1 of thermal sensor 9
Inside it is with hole and portals, enters hole and connected with portalling by induction cavity 10.Temperature sensor 4 is provided between housing 1 and bearing 6,
Installation through-hole A is offered on housing 1, the induction end of temperature sensor 4 is through installation through-hole A and in passage 7.The He of housing 1
Pressure sensor 5 is provided between bearing 6, offers installation through-hole B on housing 1, installation through-hole connects with passage 7, pressure sensing
Device 5 is installed on housing 1 and the induction end of pressure sensor 5 is located in installation through-hole B.
The lateral aperture A11 for entering that hole includes that a vertical holes A12 and multiple directions along vertical holes A12 be uniformly arranged, it is multiple
Lateral aperture A11 one end connects with passage 7, and multiple lateral aperture A 11 other end connects with vertical holes A12, vertical holes
A12 connects with induction cavity 10.Portal the level being uniformly arranged including a vertical holes B13 and multiple directions along vertical holes B13
Hole B14, vertical holes B13 and vertical holes A12 are connected by induction cavity 10, and multiple lateral aperture B14 one end connects with vertical holes B13
Logical, the multiple lateral aperture B14 other end connects with passage 7.Wherein, it is preferred that lateral aperture A11 diameter is less than vertical holes
A12 diameter, lateral aperture B14 diameter are less than vertical holes B13 diameter.Vertical holes A12 and vertical holes B13 respectively with induction cavity
10 both ends connection, it is ensured that fluid can contact completely with induction cavity 10, and the data of measurement are more accurate.Multiple lateral aperture A11's
Central axis and multiple lateral aperture B14 central axis are parallel with the direction of flow of fluid, and multiple lateral aperture A11 are located at
Vortex generator 2 enters one end of air stream enter runner 7 close to fluid, and multiple lateral aperture B14 are located on vortex generator 2 to flow out close to fluid
One end of runner 7 so that be located at the ensemble stream of the fluid of the both sides of vortex generator 2 in into the fluid and runner 7 of induction cavity 10
To identical, the fluid reflux into induction cavity 10 is prevented, ensure that the accuracy of measurement.
The top of housing 1 is fixedly connected with the bottom of bearing 6, and the top of bearing 6 and display screen assembly 8 pass through connector 16
Connection.The both ends of housing 1 are equipped with ring flange 18, and two ring flanges 18 are integrally formed with housing 1.The top of bearing 6 offers
Installation through-hole C23, bearing 6 are provided with plug 24, and installation through-hole C23 is located at the surface of thermal sensor 9, plug 24 and installation
Through hole C23 is tightly connected.The bottom of display screen assembly 8 offers upper tapped through hole (21), and the top of bearing 6 offers lower screw thread
Through hole 22, axially extending bore 15 is offered in connector 16, the inner chamber of bearing 6 is connected with display screen assembly 8 by axially extending bore 15,
Connector 16 be externally provided with branch brace shoulder 17, with upper tapped through hole (21) coordinate upper external screw thread 19 and with lower tapped through hole 22 coordinate
Lower external screw thread 20, the bottom of upper external screw thread 19 are connected by connector 16 with the top of branch brace shoulder 17, and the bottom of branch brace shoulder 17 leads to
The top that connector 16 is crossed with lower external screw thread 20 is connected.
Housing 1 is connected with transporting the pipeline of fluid by ring flange 18, made in fluid entering channel 7, fluid is with certain
Flow velocity flow through swirl generating body 2, the fluid of low discharge enters induction cavity 10, hot type sensing through lateral aperture A11 and vertical holes A12
The reception signal of device 9 is measured, and fluid is sent out from lateral aperture B14 and vertical holes B13 outflow vortexs generating body 2 and with remaining from vortex
The fluid that the both sides of raw body 2 are flowed through produces mains ripple with piezoelectric transducer 3 together.Pressure sensor 5 and temperature sensor 4 simultaneously
Pressure and temperature in induction channels 7 feeds back to display screen assembly 8, by computing, it can be deduced that operating mode flow, actual flow,
Real time temperature, real-time pressure, standard condition flow and total flow, complete measurement.Minimum range ratio can reach 1:50, carry significantly
High measuring range ratio, can be measured to low discharge and big flow respectively, by compensation temperature and pressure change, the essence measured
Du Genggao.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (10)
- A kind of 1. Combined gas flow meter, it is characterised in that：It is described including housing (1), bearing (6) and display screen assembly (8) Housing (1) and the display screen assembly (8) are connected by the bearing (6), are offered in the housing (1) and are held what fluid passed through Passage (7), the interior piezoelectric transducer (3) being provided with for Measurement channel (7) interior flow of the bearing (6), the piezoelectric transducer (3) induction end is located in the passage (7), and the piezoelectric transducer (3) is fixedly connected with the housing (1), the passage (7) vortex generator (2) is provided with, vortex generator (2) and the heat for measuring tiny flow quantity are fixed with the housing (1) Formula sensor (9), the thermal sensor (9) are located at the surface of the vortex generator (2), the thermal sensor (9) Induction end and the housing (1) between be provided with induction cavity (10), is with hole and portals in the vortex generator (2), institute State into hole with it is described portal connected by the induction cavity (10).
- A kind of 2. Combined gas flow meter according to claim 1, it is characterised in that：It is described enter hole include a vertical holes The lateral aperture A (11) that A (12) and multiple directions along vertical holes A (12) are uniformly arranged, one end of multiple lateral aperture A (11) Connected with the passage (7), the other end of multiple lateral aperture A (11) connects with the vertical holes A (12), described perpendicular Straight hole A (12) connects with the induction cavity (10).
- A kind of 3. Combined gas flow meter according to claim 2, it is characterised in that：It is described to portal including a vertical holes The lateral aperture B (14) that B (13) and multiple directions along vertical holes B (13) are uniformly arranged, the vertical holes B (13) with it is described vertical Hole A (12) is connected by the induction cavity (10), and one end of the multiple lateral aperture B (14) connects with the vertical holes B (13) Logical, the other end of multiple lateral aperture B (14) connects with the passage (7).
- A kind of 4. Combined gas flow meter according to claim 3, it is characterised in that：The housing (1) and the bearing (6) temperature sensor (4) is provided between, installation through-hole A, the sensing of the temperature sensor (4) are offered on the housing (1) End is through the installation through-hole A and in the passage (7).
- A kind of 5. Combined gas flow meter according to claim 4, it is characterised in that：The housing (1) and the bearing (6) pressure sensor (5) is provided between, installation through-hole B, the installation through-hole B and the passage are offered on the housing (1) (7) connect, the pressure sensor (5) is installed on the housing (1) and the induction end of pressure sensor (5) is positioned at described In installation through-hole B.
- 6. according to a kind of any one of Claims 1 to 5 Combined gas flow meter, it is characterised in that：The housing (1) Both ends are equipped with ring flange (18), and two ring flanges (18) are integrally formed with the housing (1).
- A kind of 7. Combined gas flow meter according to claim 6, it is characterised in that：The top of the housing (1) and institute The bottom for stating bearing (6) is fixedly connected, and the top of the bearing (6) and the display screen assembly (8) are connected by connector (16) Connect.
- A kind of 8. Combined gas flow meter according to claim 7, it is characterised in that：The bottom of the display screen assembly (8) Portion offers upper tapped through hole (21), and lower tapped through hole (22) is offered at the top of the bearing (6), and the connector (16) is interior Axially extending bore (15) is offered, the inner chamber of the bearing (6) is connected with the display screen assembly (8) by the axially extending bore (15) It is logical, the connector (16) be externally provided with branch brace shoulder (17), the upper external screw thread (19) coordinated with the upper tapped through hole (21) and with The lower external screw thread (20) that the lower tapped through hole (22) coordinates, the bottom of the upper external screw thread (19) passes through the connector (16) It is connected with the top of the branch brace shoulder (17), the bottom of the branch brace shoulder (17) passes through the connector (16) and the lower outer spiral shell The top connection of line (20).
- 9. according to a kind of any one of claim 3~5 Combined gas flow meter, it is characterised in that：The bearing (6) Top offers installation through-hole C (23), and the bearing (6) is provided with plug (24), and the installation through-hole C (23) is located at the heat The surface of formula sensor (9), the plug (24) are tightly connected with the installation through-hole C (23).
- 10. according to a kind of any one of claim 3~5 Combined gas flow meter, it is characterised in that：The lateral aperture A (11) diameter is less than the diameter of the vertical holes A (12), and the diameter of the lateral aperture B (14) is less than the vertical holes B (13) Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721307431.8U CN207163507U (en) | 2017-10-11 | 2017-10-11 | A kind of Combined gas flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721307431.8U CN207163507U (en) | 2017-10-11 | 2017-10-11 | A kind of Combined gas flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207163507U true CN207163507U (en) | 2018-03-30 |
Family
ID=61724658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721307431.8U Active CN207163507U (en) | 2017-10-11 | 2017-10-11 | A kind of Combined gas flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207163507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741256A (en) * | 2017-10-11 | 2018-02-27 | 迈格仪表(成都)有限公司 | A kind of Combined gas flow meter |
-
2017
- 2017-10-11 CN CN201721307431.8U patent/CN207163507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741256A (en) * | 2017-10-11 | 2018-02-27 | 迈格仪表(成都)有限公司 | A kind of Combined gas flow meter |
| CN107741256B (en) * | 2017-10-11 | 2024-03-29 | 迈格仪表(成都)有限公司 | Combined gas flowmeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201748942U (en) | Heat distribution type gas mass flow meter | |
| CN207163507U (en) | A kind of Combined gas flow meter | |
| CN202757650U (en) | Steam screw-in vortex flowmeter | |
| CN107741256A (en) | A kind of Combined gas flow meter | |
| CN202562533U (en) | A gas flow measuring device metering from zero | |
| CN209727178U (en) | A kind of undergauge type electromagnetism water meter | |
| CN208672111U (en) | A kind of method of standard table portable dynamic electromagnetic flowmeter calibrating apparatus | |
| CN205642471U (en) | Vortex shedding flowmeter for measuring gas | |
| CN209069357U (en) | A kind of temperature and pressure type micro-flow meter | |
| CN211651707U (en) | Thermal gas mass flowmeter | |
| CN204461518U (en) | A kind of heating type turbine integral type flowmeter | |
| CN209280059U (en) | A kind of ultrasonic type gas-liquid two-phase measuring device | |
| CN209342163U (en) | Long flowmeter for pipe | |
| CN207662471U (en) | A kind of damping type vortex-shedding meter | |
| CN209117081U (en) | A kind of bypass measuring device of pipeline water flow amount | |
| CN208488130U (en) | A kind of apparatus for measuring air quantity | |
| CN207540604U (en) | A kind of plug-in type ultrasonic water meter for carrying out discontented water pipe section and measuring | |
| CN206627170U (en) | Use for laboratory gas flowmeter | |
| CN205940651U (en) | Special construction's turbine flowmeter | |
| CN110864749A (en) | Large-caliber anti-seismic vortex shedding flowmeter | |
| CN205138584U (en) | Be used for rock core displacement liquid trace metering device | |
| CN217687342U (en) | Ultrasonic flowmeter for industrial gas | |
| CN104280076A (en) | High-precision large-diameter vortex flowmeter | |
| CN209459709U (en) | Novel wet gas meter | |
| CN208907823U (en) | A kind of gas mass flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |