CN216283711U - Stable flow sensor - Google Patents
Stable flow sensor Download PDFInfo
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- CN216283711U CN216283711U CN202023016319.3U CN202023016319U CN216283711U CN 216283711 U CN216283711 U CN 216283711U CN 202023016319 U CN202023016319 U CN 202023016319U CN 216283711 U CN216283711 U CN 216283711U
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- detection channel
- flow sensor
- flow detection
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Abstract
The utility model relates to the technical field of flow sensors, in particular to a stable flow sensor which solves the defects in the prior art and comprises a valve body, wherein a flow detection channel is formed in the valve body, a rotor is rotatably arranged in the flow detection channel, a turbine is sleeved outside the rotor, a flow guide assembly is fixedly arranged on the inner wall of the flow detection channel and comprises flow guide plates which are annularly distributed in the flow detection channel; through the arrangement of the structures such as the extension part, the mounting seat, the connecting part and the like, the connection extension part for mounting the Hall element can be detached from the valve body, and the valve body can be replaced only after being damaged, so that the manufacturing cost is reduced.
Description
Technical Field
The utility model relates to the technical field of flow sensors, in particular to a stable flow sensor.
Background
The fluid of the liquid flow meter flows through the sensor shell, because the blade of the impeller has a certain angle with the flow direction, the impulse force of the fluid enables the blade to have a rotation moment, the blade rotates after overcoming the friction moment and the fluid resistance, the rotating speed is stable after the moment is balanced, the rotating speed of the liquid flow meter is in direct proportion to the flow speed under a certain condition, because the blade has magnetic conductivity, the blade is positioned in the magnetic field of a signal detector (consisting of permanent magnet steel and a coil), the rotating blade cuts magnetic lines of force, the magnetic flux of the coil is periodically changed, so that electric pulse signals are induced at two ends of the coil, and the signals are amplified and shaped by an amplifier to form continuous rectangular pulse waves with a certain amplitude and can be transmitted to a display instrument to display the instantaneous flow or the total amount of the fluid.
The flow sensor in the prior art has the following defects: the circuit part of the Hall element for induction is integrated with the valve body, and if the valve body is damaged, the whole equipment needs to be replaced, so that the production cost is improved; secondly, the flow rate of the internal liquid is unstable, and the fluid with disordered flow state can make the measurement data unstable or impossible to measure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a stable flow sensor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a stable flow sensor comprises a valve body, wherein a flow detection channel is formed in the valve body, a rotor is rotatably arranged in the flow detection channel, a turbine is sleeved outside the rotor, a flow guide assembly is fixedly arranged on the inner wall of the flow detection channel, the flow guide assembly comprises flow guide plates, and the flow guide plates are annularly distributed in the flow detection channel;
the top of the valve body is fixedly provided with a connecting portion, the connecting portion is connected with the mounting seat in a threaded mode, an extending portion is fixedly arranged at the bottom of the mounting seat and located inside the connecting seat, and a Hall element is mounted on the extending portion.
Preferably, the valve body and the connecting part are of an integrally formed structure.
Preferably, a through groove communicated with the flow detection channel is formed in the connecting seat, and the extending part is embedded in the through groove.
Preferably, the outer side of the connecting seat and the inner wall of the mounting seat are respectively provided with corresponding external threads and internal threads.
Preferably, the end of the mounting seat is in threaded connection with a screw cap.
The utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the extending part, the mounting seat, the connecting part and other structures, the connecting extending part for mounting the Hall element can be detached from the valve body, and the valve body can be replaced only after being damaged, so that the manufacturing cost is reduced.
2. According to the utility model, through the design of the flow guide assembly, the fluid flowing into the flow detection channel is guided, so that the fluid flows stably in the flow detection channel, and the problem that the measurement data is unstable or cannot be measured due to the fluid in a disordered state is solved.
Drawings
FIG. 1 is a schematic structural diagram of a stable flow sensor according to the present invention;
FIG. 2 is a front view of a stabilized flow sensor in accordance with the present invention;
fig. 3 is a cross-sectional view of a stabilized flow sensor in accordance with the present invention.
In the figure: 1 valve body, 11 connecting parts, 12 external threads, 2 mounting seats, 21 extending parts, 22 internal threads, 3 flow guide assemblies, 4 rotors and 5 turbines.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a stable flow sensor comprises a valve body 1, wherein a flow detection channel is formed in the valve body 1, a rotor 4 is rotatably arranged in the flow detection channel, a turbine 5 is sleeved outside the rotor 4, a flow guide assembly 3 is fixedly arranged on the inner wall of the flow detection channel, and the flow guide assembly 3 comprises flow guide plates which are annularly distributed in the flow detection channel; the top of valve body 1 is fixed and is provided with connecting portion 11, and threaded connection has mount pad 2 on connecting portion 11, and the bottom of mount pad 2 is fixed and is provided with extension 21, and extension 21 is located the inside of connecting seat, and installs hall element on the extension 21.
Wherein, through the setting of extension 21, mount pad 2 and connecting portion 11 isotructures, a connection extension 21 for installing hall element can be dismantled with valve body 1, can only change valve body 1 after valve body 1 damages, manufacturing cost has been reduced, design through water conservancy diversion subassembly 3, lead to the fluid of inflow flow detection passageway, it is stable that the fluid flows in flow detection passageway, thereby solved chaotic state fluid and made measured data unstable or unable measuring problem.
In the embodiment, when the flow detection device works, the valve body 1 is arranged on a pipeline, when fluid enters the flow detection channel, the fluid flows stably under the action of the annular flow guide assembly 3, the fluid passing through the turbine 5 is ensured to be stable, the turbine 5 drives the rotor 4 to rotate under the action of the fluid, five magnetic steels are arranged on the turbine 5, and after the turbine rotates for one circle, signals are amplified and output under the matching action of the turbine 5 and a Hall element, so that the flow is detected;
furthermore, if the valve body 1 is damaged, personnel can select the mounting seat 2 and the extension part 21 and only replace the valve body 1, so that the production cost is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. A stable flow sensor comprises a valve body (1), and is characterized in that a flow detection channel is formed in the valve body (1), a rotor (4) is rotatably arranged in the flow detection channel, a turbine (5) is sleeved outside the rotor (4), a flow guide assembly (3) is fixedly arranged on the inner wall of the flow detection channel, the flow guide assembly (3) comprises flow guide plates, and the flow guide plates are annularly distributed in the flow detection channel;
the top of valve body (1) is fixed and is provided with connecting portion (11), threaded connection has mount pad (2) on connecting portion (11), the fixed extension (21) that is provided with in bottom of mount pad (2), extension (21) are located the inside of connecting seat, and install hall element on extension (21).
2. A stabilized flow sensor according to claim 1, wherein the valve body (1) and the connecting portion (11) are of one-piece construction.
3. The stable flow sensor according to claim 1, wherein the connecting seat has a through groove formed therein and communicating with the flow sensing channel, and the extension portion (21) is embedded in the through groove.
4. A stabilized flow sensor according to claim 1, wherein the outer side of the connecting socket and the inner wall of the mounting socket (2) are provided with corresponding external (12) and internal (22) threads, respectively.
5. A stabilized flow sensor according to claim 1, wherein a screw cap is screwed onto the end of the mounting (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023016319.3U CN216283711U (en) | 2020-12-15 | 2020-12-15 | Stable flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023016319.3U CN216283711U (en) | 2020-12-15 | 2020-12-15 | Stable flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216283711U true CN216283711U (en) | 2022-04-12 |
Family
ID=81002354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023016319.3U Active CN216283711U (en) | 2020-12-15 | 2020-12-15 | Stable flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216283711U (en) |
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2020
- 2020-12-15 CN CN202023016319.3U patent/CN216283711U/en active Active
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