CN211452454U - High-precision turbine flowmeter - Google Patents
High-precision turbine flowmeter Download PDFInfo
- Publication number
- CN211452454U CN211452454U CN201922099548.7U CN201922099548U CN211452454U CN 211452454 U CN211452454 U CN 211452454U CN 201922099548 U CN201922099548 U CN 201922099548U CN 211452454 U CN211452454 U CN 211452454U
- Authority
- CN
- China
- Prior art keywords
- fluid
- frame
- flow
- flow tube
- insertion frame
- 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
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a high-precision turbine flowmeter, which comprises a flow tube and a central rotating shaft; the side interlude of flow tube has the back to insert the frame, movable mounting has the removal seat around the inside of back inserted frame, the left end inside of removing the seat rotates through the pivot and is connected with fluid current-limiting swivel mount, the side of fluid current-limiting swivel mount is equipped with the fluid circulation groove, the circular array of fluid circulation groove is arranged in the side of fluid current-limiting swivel mount, fluid current-limiting swivel mount is located the flow tube, the side interlude that the frame was inserted after the flow tube was kept away from has the preceding frame of inserting, the preceding frame of inserting is located the left of inserting the frame after, the preceding upside fixedly connected with rotational speed display that inserts the frame. This high accuracy turbine flowmeter can avoid the turbine seat of commentaries on classics leaf to influence the fluid velocity of flow at first, still can carry out the drainage to the fluid, increases the measurement accuracy, still can measure the fluid when the flow of fluid is less, avoids fluid flow hour flowmeter out of control.
Description
Technical Field
The utility model relates to a turbine flowmeter technical field specifically is a high accuracy turbine flowmeter.
Background
The flow meter is used for measuring the amount (also called instantaneous flow) of liquid (or gas) flowing through the cross section of the pipeline in a unit time and the total amount (also called cumulative flow) of the liquid (or gas) flowing through the cross section of the pipeline in a certain period of time, the worm wheel flow meter is provided with a rotor, the rotor is pushed to rotate when the fluid flows through the meter, the rotation frequency of the rotor is obtained through a sensor, the frequency is in direct proportion to the speed of the fluid flowing through the cross section of the pipeline, so the instantaneous flow of the fluid flowing in the pipeline is obtained, but the current turbine flow meter has some defects, for example, when the fluid is detected, because the fluid is monitored by the rotation of a turbine blade, the base of the turbine blade has certain impact force on the fluid, the flow speed of the fluid flowing through the blade is influenced, the measurement accuracy is influenced, and in view of the design provided by the application number, and can measure instantaneous flow and can measure the accumulative flow, but when flow is less or the water level is lower, the fluid can't drive worm wheel rotor and rotate, makes the fluid pass through, and then can influence the measuring result.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a high accuracy turbine flowmeter, the turbine seat that at first can avoid changeing the leaf influences the fluid velocity of flow, still can carry out the drainage to the fluid, increases the measuring accuracy, still can measure the fluid when fluidic flow is less, avoids the flow of fluid flow hour flowmeter out of control, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-precision turbine flowmeter comprises a flow tube and a central rotating shaft;
a flow tube: the flow tube is characterized in that a rear insertion frame is inserted into the side surface of the flow tube in a penetrating manner, a movable seat is movably mounted in the rear of the rear insertion frame, a fluid flow limiting swivel base is rotatably connected into the left end of the movable seat through a rotating shaft, fluid flow grooves are formed in the side surface of the fluid flow limiting swivel base and are circularly arrayed on the side surface of the fluid flow limiting swivel base, the fluid flow limiting swivel base is located in the flow tube, a front insertion frame is inserted into the side surface of the flow tube, which is far away from the rear insertion frame, the front insertion frame is located on the left side of the rear insertion frame, a rotating speed display is fixedly connected to the upper side of the front insertion frame, fluid can be guided through the fluid flow limiting swivel base, the impact force of fluid with smaller impact force;
the lower end of the central rotating shaft is rotatably connected to the bottom side in the front insertion frame, the side surface of the central rotating shaft is fixedly connected with rotating blades which are arranged on the side surface of the central rotating shaft in a circular array mode, the rotating blades are located in the flow pipe, the upper end of the central rotating shaft is fixedly connected with a rotating speed measuring instrument, the rotating speed measuring instrument is located above the front insertion frame, the rotating blades drive the central rotating shaft to rotate, the rotating speed of the central rotating shaft is measured through the rotating speed measuring instrument, and then the flow of the fluid is measured;
wherein: the rotating speed measuring device is characterized by further comprising a single chip microcomputer, the single chip microcomputer is fixedly connected to the upper side of the front insertion frame, the input end of the single chip microcomputer is electrically connected with an external power supply and the output end of the rotating speed measuring instrument, and the output end of the single chip microcomputer is electrically connected with the input end of the rotating speed display.
Furthermore, the right end of the moving seat is provided with an arc-shaped groove, and the arc-shaped groove can prevent the moving seat from resisting the flow of fluid when the moving seat moves back and forth.
Furthermore, the cross section of the fluid circulation groove is arc-shaped, and the arc-shaped fluid circulation groove can reduce the resistance of the fluid and can guide the fluid to the rotating blade.
Further, the flow meter comprises two screws and two installation bases, wherein the two installation bases are fixedly connected to the left end and the right end of the flow tube respectively, the four corners of each installation base are connected with the screws in a threaded mode, and the worm wheel flow meter is installed in the pipeline through the installation bases and the screws.
The fluid flow-limiting rotary seat is driven to move back and forth by the back and forth movement of the back-inserted pull rod, so that the fluid flow-limiting rotary seat is close to fluid, and the flow rate of the fluid can be measured when the flow rate is small.
Compared with the prior art, the beneficial effects of the utility model are that: the high-precision turbine flowmeter has the following advantages:
1. the fluid can be drained through the fluid flow-limiting rotary seat, the impact force of the fluid with smaller impact force such as gas and the like can be increased, the measurement accuracy is improved, the rotating vane drives the central rotating shaft to rotate, the rotating speed of the central rotating shaft is measured through the rotating speed measuring instrument, and then the flow of the fluid is measured.
2. The arc-shaped groove can prevent the moving seat from resisting the flow of fluid when the moving seat moves forwards and backwards, the arc-shaped fluid circulation groove can reduce the resistance of the fluid, meanwhile, the fluid can be guided to the rotating blade, the worm-gear flow meter is installed in a pipeline through the installation seat and the screws, the moving seat is driven to move forwards and backwards through the forward and backward movement of the rear insertion pull rod, the fluid flow limiting rotary seat is close to the fluid, and the flow rate of the fluid can be measured when the flow is small.
3. This high accuracy turbine flowmeter can avoid the turbine seat of commentaries on classics leaf to influence the fluid velocity of flow at first, still can carry out the drainage to the fluid, increases the measurement accuracy, still can measure the fluid when the flow of fluid is less, avoids fluid flow hour flowmeter out of control.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
fig. 3 is a schematic view of the back structure of the present invention.
In the figure: the device comprises a rotating speed measuring instrument 1, a rotating speed display 2, a central rotating shaft 3, a single chip microcomputer 4, a front insertion frame 5, a rotating blade 6, a fluid flow limiting rotary seat 7, a movable seat 8, a flow tube 9, a screw 10, an installation seat 11, a rear insertion frame 12, a push-pull handle 13 and a rear insertion pull rod 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a high-precision turbine flowmeter comprises a flow tube 9 and a central rotating shaft 3;
a flow tube 9: a rear insertion frame 12 is inserted into the side surface of the flow tube 9, a movable base 8 is movably arranged in the rear and front of the inner part of the rear insertion frame 12, a fluid flow limiting swivel base 7 is rotatably connected into the inner part of the left end of the movable base 8 through a rotating shaft, a fluid flow groove is arranged on the side surface of the fluid flow limiting swivel base 7, the fluid flow limiting swivel base 7 is arranged in the flow tube 9, a front insertion frame 5 is inserted into the side surface of the flow tube 9 far away from the rear insertion frame 12, the front insertion frame 5 is arranged at the left side of the rear insertion frame 12, a rotating speed display 2 is fixedly connected to the upper side of the front insertion frame 5, fluid can be guided through the fluid flow limiting swivel base 7, the impact force of fluid with smaller impact force such as gas can be increased, the measurement accuracy is improved, an arc-shaped groove is arranged at the right end of the movable base 8, and the movable base 8 can prevent the movable base, the cross section of the fluid circulation groove is arc-shaped, the arc-shaped fluid circulation groove can reduce the resistance of fluid and can guide the fluid to the rotating blade 6, the fluid circulation groove also comprises two screws 10 and two installation seats 11, the two installation seats 11 are respectively and fixedly connected to the left end and the right end of the flow tube 9, the four corners of each installation seat 11 are respectively in threaded connection with the screws 10, the worm-gear flowmeter is installed in a pipeline through the installation seats 11 and the screws 10, the fluid circulation groove also comprises a push-pull handle 13 and a rear insertion pull rod 14, the front end of the rear insertion pull rod 14 is fixedly connected to the rear side of the moving seat 8, the rear end of the rear insertion pull rod 14 movably penetrates through the rear side of the rear insertion frame 12 and is fixedly connected with the push-pull handle 13, the moving seat 8 is driven to move back and forth through the back and forth movement of the rear insertion pull rod 14, and the fluid flow limiting rotary seat 7 is;
the lower end of the central rotating shaft 3 is rotatably connected to the bottom side in the front insertion frame 5, the side surface of the central rotating shaft 3 is fixedly connected with rotating blades 6, the rotating blades 6 are circularly arrayed on the side surface of the central rotating shaft 3, the rotating blades 6 are positioned in the flow tube 9, the upper end of the central rotating shaft 3 is fixedly connected with a rotating speed measuring instrument 1, the rotating speed measuring instrument 1 is positioned above the front insertion frame 5, the rotating blades 6 drive the central rotating shaft 3 to rotate, the rotating speed of the central rotating shaft 3 is measured through the rotating speed measuring instrument 1, and then the flow of the fluid is measured;
wherein: still include singlechip 4, singlechip 4 fixed connection inserts the upside of frame 5 in the front, and external power source and the output of rotational speed measuring apparatu 1 are connected to singlechip 4's input electricity, and the input of rotational speed display 2 is connected to singlechip 4's output electricity.
When in use: the mounting seat 11 is fixedly mounted in a pipeline, the screw 10 is screwed, when fluid passes through the flow tube 9, the fluid drives the fluid flow limiting rotary base 7 to rotate, the fluid flow limiting rotary base 7 guides the fluid to the rotary vane 6, the fluid drives the rotary vane 6 to rotate, the rotary vane 6 drives the central rotary shaft 3 to rotate, the rotary speed measuring instrument 1 measures the rotary speed of the central rotary shaft 3, the rotary speed measuring instrument 1 transmits information to the single chip microcomputer 4, and the single chip microcomputer 4 transmits the information to the rotary speed display 2 to display the information; when the fluid flow is small, the push-pull handle 13 is pulled, the push-pull handle 13 drives the rear insertion pull rod 14 to move forwards, the rear insertion pull rod 14 drives the movable seat 8 to move forwards, the movable seat 8 drives the fluid flow limiting rotary seat 7 to move forwards, the fluid flow is small, the fluid is drained to the rotary vane 6 after passing through the fluid flow limiting rotary seat 7, and the fluid flow can be measured when the flow is small.
It should be noted that the rotation speed measuring instrument 1 disclosed in the present embodiment may be a DZ362 rotation speed sensor manufactured by yodong vibration automation equipment limited, and the rotation speed display 2 may be an XJP-02B digital display manufactured by shanghai Yang valley automation equipment limited. The rotation speed display 2 is controlled by the singlechip 4 to work by a common method in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high accuracy turbine flowmeter characterized by: comprises a flow tube (9) and a central rotating shaft (3);
flow tube (9): a rear insertion frame (12) is inserted into the side surface of the flow tube (9) in a penetrating manner, a movable seat (8) is movably mounted in the rear of the rear insertion frame (12), a fluid flow limiting swivel base (7) is rotatably connected to the inside of the left end of the movable seat (8) through a rotating shaft, fluid circulation grooves are formed in the side surface of the fluid flow limiting swivel base (7), the fluid flow limiting swivel base (7) is arranged on the side surface of the fluid flow limiting swivel base (7) in a circular array manner, a front insertion frame (5) is inserted into the side surface, far away from the rear insertion frame (12), of the flow tube (9), the front insertion frame (5) is located on the left side of the rear insertion frame (12), and a rotating speed display (2) is fixedly connected to the upper side of the front insertion frame (5);
the lower end of the central rotating shaft (3) is rotatably connected to the bottom side of the interior of the front insertion frame (5), rotating blades (6) are fixedly connected to the side surface of the central rotating shaft (3), the rotating blades (6) are arranged on the side surface of the central rotating shaft (3) in a circular array mode, the rotating blades (6) are located in a flow tube (9), the upper end of the central rotating shaft (3) is fixedly connected with a rotating speed measuring instrument (1), and the rotating speed measuring instrument (1) is located above the front insertion frame (5);
wherein: still including singlechip (4), the upside of frame (5) is inserted in the front to singlechip (4) fixed connection, the output of external power source and rotational speed measuring apparatu (1) is connected to the input electricity of singlechip (4), the input of rotational speed display (2) is connected to the output electricity of singlechip (4).
2. A high accuracy turbine flowmeter according to claim 1, wherein: the right end of the movable seat (8) is provided with an arc-shaped groove.
3. A high accuracy turbine flowmeter according to claim 1, wherein: the cross section of the fluid circulation groove is arc-shaped.
4. A high accuracy turbine flowmeter according to claim 1, wherein: the flowmeter is characterized by further comprising screws (10) and mounting seats (11), the number of the mounting seats (11) is two, the two mounting seats (11) are respectively and fixedly connected to the left end and the right end of the flow tube (9), and the screws (10) are connected to four corners of the mounting seats (11) in a threaded mode.
5. A high accuracy turbine flowmeter according to claim 1, wherein: the novel electric plug is characterized by further comprising a push-pull handle (13) and a rear plug pull rod (14), wherein the front end of the rear plug pull rod (14) is fixedly connected to the rear side of the movable seat (8), and the rear end of the rear plug pull rod (14) movably penetrates through the rear side of the rear plug frame (12) and is fixedly connected with the push-pull handle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099548.7U CN211452454U (en) | 2019-11-27 | 2019-11-27 | High-precision turbine flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099548.7U CN211452454U (en) | 2019-11-27 | 2019-11-27 | High-precision turbine flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211452454U true CN211452454U (en) | 2020-09-08 |
Family
ID=72304532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922099548.7U Active CN211452454U (en) | 2019-11-27 | 2019-11-27 | High-precision turbine flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211452454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870459A (en) * | 2021-01-19 | 2021-06-01 | 温州医科大学附属第一医院 | Portable drainage bag |
-
2019
- 2019-11-27 CN CN201922099548.7U patent/CN211452454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870459A (en) * | 2021-01-19 | 2021-06-01 | 温州医科大学附属第一医院 | Portable drainage bag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211452454U (en) | High-precision turbine flowmeter | |
| CN109298203A (en) | A kind of accurate anerovane and adjusting method | |
| CN112360759A (en) | Water head loss testing system for water inlet and outlet flow channel and flap valve and using method thereof | |
| CN107131917B (en) | A kind of measurement method and measuring device of the specified guide vane water leakage of the hydraulic turbine | |
| CN112078747A (en) | Flow calibration device and calibration method suitable for T-shaped nozzle of water jet propulsion ship model | |
| Khan et al. | Inlet channel effects on Archimedes screw generators | |
| CN210720454U (en) | Special telescopic support for underground flow velocity measurement | |
| CN2704826Y (en) | Instrument for determining vadose in rock crevice | |
| CN215413864U (en) | Portable river flow rate metering device | |
| CN208887717U (en) | A kind of gas roots flowmeter | |
| CN220751265U (en) | Novel rotor type backflow-preventing water meter impeller structure | |
| CN219039100U (en) | Flow velocity meter for detecting water flow velocity | |
| CN208606833U (en) | A kind of dustproof construction of metal scrape plate flow meter | |
| CN208672658U (en) | A kind of water conservancy detection water flow speed measuring device | |
| CN204719069U (en) | A kind of automatic recording type open-channel flow knotmeter | |
| CN216246623U (en) | Tidal level appearance protector that ocean survey and drawing was used | |
| CN214471092U (en) | Sensor for ultrasonic flowmeter capable of being maintained on line | |
| CN212567389U (en) | Hydrology flow measurement support that facilitates use | |
| CN213902486U (en) | Balance flowmeter | |
| CN215893747U (en) | Flow velocity detection device for flowmeter | |
| CN220357095U (en) | Plain river network small flow velocity measuring device | |
| CN220982347U (en) | Vortex street flowmeter | |
| CN211954305U (en) | Measurement support based on hydrology flow detection | |
| CN219551636U (en) | Water level online measurement device for reservoir management | |
| CN212747917U (en) | Flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |