CN114354973A - Flow velocity sensor - Google Patents
Flow velocity sensor Download PDFInfo
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- CN114354973A CN114354973A CN202111612775.0A CN202111612775A CN114354973A CN 114354973 A CN114354973 A CN 114354973A CN 202111612775 A CN202111612775 A CN 202111612775A CN 114354973 A CN114354973 A CN 114354973A
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- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000010030 laminating Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 14
- 241000309551 Arthraxon hispidus Species 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a flow velocity sensor which comprises a base, wherein a supporting plate is arranged at the upper end of the base, an injection pipeline is fixedly arranged at the upper end of the supporting plate, an outflow pipeline is fixedly arranged at the right end of the injection pipeline, a casing is fixedly arranged at the upper end of the outflow pipeline, a main measurement and control cavity is arranged in the casing, a pressure balance mechanism is fixedly arranged at the lower end of the main measurement and control cavity, and a cut-off mechanism is arranged at the left end of the pressure balance mechanism; through the survey control mechanism that sets up, utilize resistance card and the laminating head that sets up in the survey control mechanism, when liquid flows through injection pipe and outflow pipeline, because the change of velocity of flow, the unbalanced sliding piston atress slides from top to bottom along balanced chamber, consequently, it slides from top to bottom at the resistance card to facilitate the laminating head, the fluctuation value that changes the velocity of flow is turned into the variation value of signal of telecommunication, so the current anti-fluctuation nature change of signal conductor and signal processing module of flowing through, the testing result has been shown to the apparent, make the measurement of the velocity of flow more directly perceived, the precision and the efficiency of observing and controling have been heightened very much.
Description
Technical Field
The application relates to the field of sensors, in particular to a flow velocity sensor.
Background
The target flowmeter appeared in the first 20 th century and 60 th century of sliding rod, and is based on mechanics principle, and is mainly used for solving the flow measurement problem of high-viscosity and low-Reynolds-number fluid. The flow velocity feedback device has the advantages that the data acquisition precision is high, the flow velocity feedback is timely, the influences such as attenuation and the like on the flow velocity of the pipeline are avoided, the flow velocity feedback device is widely used in some high-precision application fields, the requirements on the application environment are higher, the equipment cost is higher, the conditions required by the operation environment are severe, and the flow velocity of the simple single pipeline is not beneficial to effective measurement and control.
Disclosure of Invention
The present application has been made in view of the state of the art described above. The application aims to provide a flow velocity sensor, which adopts the following technical scheme:
the application provides a flow velocity sensor, which comprises a base, wherein a supporting plate is arranged at the upper end of the base, an injection pipeline is fixedly arranged at the upper end of the supporting plate, an outflow pipeline is fixedly arranged at the right end of the injection pipeline, a casing is fixedly arranged at the upper end of the outflow pipeline, a main measurement and control cavity is arranged inside the casing, a pressure balance mechanism is fixedly arranged at the lower end of the main measurement and control cavity, a shutoff mechanism is arranged at the left end of the pressure balance mechanism, and a measurement and control mechanism is arranged at the upper end of the shutoff mechanism; the pressure balancing mechanism is used for measuring flow speed and pressure, the interception mechanism is used for measuring the flow speed of the injected pipeline, and the measurement and control mechanism is used for sensing and measuring the flow speed; the fixed fluting that dams that is equipped with in injection pipe's upper end, the mechanism that dams sets up including sliding the closure plate in the fluting that dams, the fixed throttle operation piece of upper end wall department of injection pipe, the inside of throttle operation piece is equipped with the transmission chamber, the fixed logical groove that is equipped with of lower extreme in transmission chamber, the fixed throttle motor that is equipped with in upper end wall department in transmission chamber, the lower extreme drive of throttle motor is equipped with the threaded rod, the lower extreme of threaded rod is rotated and is connected the lower extreme wall department in transmission chamber, threaded connection thread block on the threaded rod, the right-hand member of thread block is fixed and is equipped with the connecting block, the right-hand member fixed connection of connecting block is in the left end face department of closure plate.
Preferably, pressure balance mechanism is including fixed the setting main balancing piece of observing and controling chamber lower extreme end wall middle part department, the inside of balancing piece is equipped with balanced chamber, it is equipped with sliding piston to slide in the balanced chamber, the fixed slide bar that is equipped with in sliding piston upper end, sliding piston with it is fixed to be equipped with balance spring to balance between the chamber upper end wall, sliding piston is used for supplementary observing and controling the flow through the net flow of injection pipeline.
Preferably, the measurement and control mechanism includes fixed connection and is in the measurement and control operation piece of main measurement and control chamber rear end wall department, the fixed resistance fixed block that is equipped with in end wall department about the measurement and control operation piece, the fixed resistance card that is equipped with on the resistance fixed block, the fixed electricity piece that connects that is equipped with in upper end of resistance card, the fixed signal of telecommunication processing module that is equipped with in upper end wall department in measurement and control chamber, the fixed display that is equipped with of lower extreme of signal of telecommunication processing module, signal of telecommunication processing module with connect and switch on through signal conductor between the electricity piece.
Preferably, the upper end of slide bar is fixed and is equipped with the connecting rod, the fixed laminating piece that is equipped with of terminal surface department about the connecting rod, the inside of laminating piece is equipped with the laminating chamber, laminating chamber right-hand member wall department is equipped with horizontal spout, it is equipped with horizontal slide bar to slide in the horizontal spout, horizontal slide bar's right-hand member is fixed and is equipped with the laminating head.
Preferably, a fitting spring is fixedly arranged between the left end face of the fitting head and the right end face of the fitting block, the horizontal sliding rods are communicated through the light conducting wire, and the end face of the fitting head is always fitted with the resistor disc.
Through adopting foretell technical scheme, this application provides a velocity of flow sensor, possesses following beneficial effect: through the survey control mechanism that sets up, utilize resistance card and the laminating head that sets up in the survey control mechanism, when liquid flows through injection pipe and outflow pipeline, because the change of velocity of flow, the unbalanced sliding piston atress slides from top to bottom along balanced chamber, consequently, it slides from top to bottom at the resistance card to facilitate the laminating head, the fluctuation value that changes the velocity of flow is turned into the variation value of signal of telecommunication, so the current anti-fluctuation nature change of signal conductor and signal processing module of flowing through, the testing result has been shown to the apparent, make the measurement of the velocity of flow more directly perceived, the precision and the efficiency of observing and controling have been heightened very much.
Drawings
FIG. 1 is a schematic external view of a flow sensor according to the present invention;
FIG. 2 is a schematic view of the internal structure of a flow rate sensor according to the present invention;
FIG. 3 is an enlarged schematic view of the shut-off mechanism of FIG. 2;
FIG. 4 is an enlarged schematic view of the metering mechanism of FIG. 2.
Detailed Description
Exemplary embodiments of the present application are described below with reference to the accompanying drawings. It should be understood that the detailed description is intended only to teach one skilled in the art how to practice the application, and is not intended to be exhaustive or to limit the scope of the application in all possible ways:
as shown in fig. 1 to 4, a flow rate sensor according to an embodiment of the present invention includes a base 10, a support plate 11 is disposed at an upper end of the base 10, an injection pipe 12 is fixedly disposed at an upper end of the support plate 11, an outflow pipe 13 is fixedly disposed at a right end of the injection pipe 12, a casing 14 is fixedly disposed at an upper end of the outflow pipe 13, a main measurement and control chamber 48 is disposed inside the casing 14, a pressure balancing mechanism 15 is fixedly disposed at a lower end of the main measurement and control chamber 48, a shutoff mechanism 16 is disposed at a left end of the pressure balancing mechanism 15, and a measurement and control mechanism 17 is disposed at an upper end of the shutoff mechanism 16; the pressure balancing mechanism 15 is used for measuring flow rate and pressure, the shutoff mechanism 16 is used for measuring the flow rate passing through the injection pipeline 12, and the measurement and control mechanism 17 is used for sensing and measuring the flow rate; the upper end of the injection pipeline 12 is fixedly provided with an interception groove 47, the interception mechanism 16 comprises an interception plate 26 slidably arranged in the interception groove 47, the upper end wall of the injection pipeline 12 is fixedly provided with a throttling operation block 23, a transmission cavity 24 is arranged in the throttling operation block 23, the lower end of the transmission cavity 24 is fixedly provided with a through groove 25, the upper end wall of the transmission cavity 24 is fixedly provided with a throttling motor 27, the lower end of the throttling motor 27 is provided with a threaded rod 28 in a driving manner, the lower end of the threaded rod 28 is rotatably connected to the lower end wall of the transmission cavity 24, the threaded rod 28 is in threaded connection with a threaded block 29, the right end of the threaded block 29 is fixedly provided with a connecting block 30, and the right end of the connecting block 30 is fixedly connected to the left end surface of the interception plate 26; by controlling the starting of the throttle motor 27, the threaded rod 28 and the threaded block 29 are driven to perform thread transmission, so that the threaded block 29, the connecting block 30 and the cut-off plate 26 are driven to integrally move up and down, and the flow rate in the injection pipeline 12 is controlled.
Beneficially, the pressure balance mechanism 15 includes a balance weight 18 fixedly disposed at the middle of the lower end wall of the main measurement and control cavity 48, a balance cavity 19 is disposed inside the balance weight 18, a sliding piston 22 is slidably disposed in the balance cavity 19, a sliding rod 20 is fixedly disposed at the upper end of the sliding piston 22, a balance spring 21 is fixedly disposed between the sliding piston 22 and the upper end wall of the balance cavity 19, and the sliding piston 22 is used for assisting in measuring and controlling the net flow rate flowing through the injection pipeline 12.
Beneficially, measurement and control mechanism 17 includes fixed connection and is in the measurement and control operation block 31 of main measurement and control chamber 48 rear end wall department, the fixed resistance fixed block 41 that is equipped with in end wall department about measurement and control operation block 31, the fixed resistance card 42 that is equipped with on the resistance fixed block 41, the fixed electricity block 43 that connects that is equipped with in upper end of resistance card 42, the fixed electric signal processing module 44 that is equipped with in upper end wall department of measurement and control chamber 32, the fixed display 45 that is equipped with of lower extreme of electric signal processing module 44, electric signal processing module 44 with switch on through signal conductor 46 between the electricity block 43.
Beneficially, a connecting rod 33 is fixedly arranged at the upper end of the sliding rod 20, a fitting block 34 is fixedly arranged at the left end face and the right end face of the connecting rod 33, a fitting cavity 35 is arranged inside the fitting block 34, a horizontal sliding groove 36 is arranged at the right end wall of the fitting cavity 35, a horizontal sliding rod 37 is slidably arranged in the horizontal sliding groove 36, and a fitting head 38 is fixedly arranged at the right end of the horizontal sliding rod 37.
Beneficially, an attaching spring 39 is fixedly arranged between the left end face of the attaching head 38 and the right end face of the attaching block 34, the horizontal sliding rods 37 are conducted through the light conducting wire 40, and the end face of the attaching head 38 is always attached to the resistor disc 42; the resistance sheet 42 slides up and down through the fitting head 38, so that the current passing through the signal conductor 46 is changed, an electric signal is transmitted to the electric signal processing module 44, and finally, a measurement and control result is displayed on the display 45.
The flow velocity sensor of the invention has the following working procedures:
in an initial state, the throttle motor 27 is started, and the throttle motor 27 is started to drive the threaded rod 28 and the threaded block 29 to perform threaded transmission, so that the threaded block 29, the connecting block 30 and the cut-off plate 26 are driven to integrally move up and down, and the circulation aperture of the injection pipeline 12 is adjusted;
then, when the liquid flows through the injection pipe 12 and the outflow pipe 13, the sliding piston 22 slides up and down along the balance cavity 19 due to the unbalanced force caused by the change of the flow rate, and the sliding piston 22 slides up and down to drive the sliding rod 20 and the connecting rod 33 to change the position in the vertical direction;
then, the attaching head 38 slides up and down on the resistive sheet 42, so that the current flowing through the signal wire 46 and the electric signal processing module 44 changes in a wave manner, and finally, the electric signal is processed by the electric signal processing module 44 and displayed on the display 45.
It should be understood that the above embodiments are merely exemplary, and are not intended to limit the present application. Various modifications and alterations of the above-described embodiments may be made by those skilled in the art in light of the teachings of this application without departing from the scope thereof.
Claims (8)
1. A flow rate sensor comprising a base (10), characterized in that: a supporting plate (11) is arranged at the upper end of the base (10), an injection pipeline (12) is fixedly arranged at the upper end of the supporting plate (11), an outflow pipeline (13) is fixedly arranged at the right end of the injection pipeline (12), a casing (14) is fixedly arranged at the upper end of the outflow pipeline (13), a main measurement and control cavity (48) is arranged inside the casing (14), a pressure balancing mechanism (15) is fixedly arranged at the lower end of the main measurement and control cavity (48), a closure mechanism (16) is arranged at the left end of the pressure balancing mechanism (15), and a measurement and control mechanism (17) is arranged at the upper end of the closure mechanism (16); the pressure balancing mechanism (15) is used for measuring flow speed and pressure, the interception mechanism (16) is used for measuring the flow speed passing through the injection pipeline (12), and the measurement and control mechanism (17) is used for sensing and measuring the flow speed; and the upper end of the injection pipeline (12) is fixedly provided with a cut-off groove (47).
2. A flow rate sensor according to claim 1, wherein: the intercepting mechanism (16) is arranged in the intercepting plate (26) in the intercepting groove (47) in a sliding mode, the upper end wall of the injection pipeline (12) is fixedly provided with a throttling operation block (23), the inside of the throttling operation block (23) is provided with a transmission cavity (24), the lower end of the transmission cavity (24) is fixedly provided with a through groove (25), the upper end wall of the transmission cavity (24) is fixedly provided with a throttling motor (27), the lower end of the throttling motor (27) is driven to be provided with a threaded rod (28), the lower end of the threaded rod (28) is rotatably connected to the lower end wall of the transmission cavity (24), the threaded rod (28) is connected with a threaded block (29) in a threaded mode, the right end of the threaded block (29) is fixedly provided with a connecting block (30), and the right end of the connecting block (30) is fixedly connected to the left end face of the intercepting plate (26).
3. A flow rate sensor according to claim 1, wherein: pressure balance mechanism (15) are including fixed setting up balancing piece (18) of main survey accuse chamber (48) lower extreme wall middle part department, the inside of balancing piece (18) is equipped with balanced chamber (19), it is equipped with sliding piston (22) to slide in balanced chamber (19), sliding piston (22) upper end is fixed and is equipped with slide bar (20), sliding piston (22) with it is fixed between balanced chamber (19) upper end wall to be equipped with balanced spring (21).
4. A flow rate sensor according to claim 1, wherein: survey and control mechanism (17) including fixed connection the observing and controlling operation piece (31) of main observing and controlling chamber (48) rear end wall department, the fixed resistance fixed block (41) that is equipped with of end wall department about observing and controlling operation piece (31), fixed resistance card (42) that is equipped with on resistance fixed block (41), the upper end of resistance card (42) is fixed to be equipped with and connects electric block (43), the fixed signal of telecommunication processing module (44) that is equipped with of upper end wall department of observing and controlling chamber (32), the fixed display (45) that is equipped with of lower extreme of signal of telecommunication processing module (44).
5. A flow rate sensor according to claim 3, wherein: the electric signal processing module (44) is conducted with the electric connection block (43) through a signal conducting wire (46).
6. A flow rate sensor according to claim 1, wherein: the fixed connecting rod (33) that is equipped with in upper end of slide bar (20), the fixed laminating piece (34) that is equipped with of terminal surface department about connecting rod (33), the inside of laminating piece (34) is equipped with laminating chamber (35), laminating chamber (35) right-hand member wall department is equipped with horizontal spout (36), it is equipped with horizontal slide bar (37) to slide in horizontal spout (36), the fixed head (38) that is equipped with of right-hand member of horizontal slide bar (37).
7. A flow rate sensor according to claim 5, wherein: and a joint spring (39) is fixedly arranged between the left end surface of the joint head (38) and the right end surface of the joint block (34).
8. A flow rate sensor according to claim 6, wherein: the horizontal sliding rods (37) are communicated through the light conducting wire (40), and the end face of the attaching head (38) is attached to the resistor disc (42) all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612775.0A CN114354973A (en) | 2021-12-27 | 2021-12-27 | Flow velocity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612775.0A CN114354973A (en) | 2021-12-27 | 2021-12-27 | Flow velocity sensor |
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| Publication Number | Publication Date |
|---|---|
| CN114354973A true CN114354973A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111612775.0A Pending CN114354973A (en) | 2021-12-27 | 2021-12-27 | Flow velocity sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117824596A (en) * | 2024-03-05 | 2024-04-05 | 中交第一航务工程勘察设计院有限公司 | Voltage proportional fixed-point ocean current observation device and method |
-
2021
- 2021-12-27 CN CN202111612775.0A patent/CN114354973A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117824596A (en) * | 2024-03-05 | 2024-04-05 | 中交第一航务工程勘察设计院有限公司 | Voltage proportional fixed-point ocean current observation device and method |
| CN117824596B (en) * | 2024-03-05 | 2024-05-17 | 中交第一航务工程勘察设计院有限公司 | Voltage proportional fixed-point ocean current observation device and method |
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Application publication date: 20220415 |