CN210321848U - Portable liquid flow detection device based on magnetic sensing - Google Patents
Portable liquid flow detection device based on magnetic sensing Download PDFInfo
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- CN210321848U CN210321848U CN201920750097.6U CN201920750097U CN210321848U CN 210321848 U CN210321848 U CN 210321848U CN 201920750097 U CN201920750097 U CN 201920750097U CN 210321848 U CN210321848 U CN 210321848U
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Abstract
The utility model discloses a portable liquid flow detection device based on magnetic sensing, including cup jointing the hard tube, cup jointing, flow test wheel, sensing detection device and fastening device, the fixed setting of flow test wheel is in cup jointing the hard tube, and flow test wheel and cup joint the zero clearance laminating of hard tube inner wall and can freely relative slip, and cup joint connects on the top of cup jointing the hard tube, and sensing detection device is fixed to be set up on the outer wall of cup jointing the hard tube that corresponds in the dead ahead of flow test wheel, and fastening device connects directly over cup jointing. The utility model discloses simple structure, relate to rationally, small, portable, and can dock convenient to use with different interfaces.
Description
Technical Field
The utility model relates to a liquid flow detects technical field, specifically is a portable liquid flow detection device based on magnetic sensing.
Background
The traditional liquid flow detection device is used for manufacturing a flow meter for measuring liquid, gas and the like in a sealed pipeline according to the Karman vortex principle, and is widely popular with wide users because a detection element is sealed in a detection body, a medium is not detected, no movable part is arranged in the detection element, and field maintenance is not needed, so that the detection element is widely used for metering management and process control of textile printing and dyeing, petroleum, chemical engineering, metallurgical pharmacy, thermoelectricity, paper making and fire fighting industries; the remote display can be matched with the secondary instrument liquid crystal Chinese display, and meanwhile, the temperature and pressure compensation can be carried out.
However, the instrument is generally large in size, difficult to carry, low in detection accuracy of small-flow liquid, and difficult to meet the requirement of carrying the practitioner when going out. Moreover, the pipe interfaces of the existing detection device for the liquid flow are various but have no unified standard interface, so that the problem that the pipe to be detected is difficult to match with the detection device is caused, and the detection progress is influenced.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the utility model provides a carry out portable liquid flow detection device based on magnetic sensing who is connected with multiple pipeline interface.
In order to achieve the purpose, the utility model discloses a realize through following technical scheme:
the utility model relates to a portable liquid flow detection device based on magnetic sensing, which comprises a sleeve joint hard pipe, a sleeve joint, a flow test wheel, a sensing detection device and a fastening mechanism;
the flow test wheel is fixedly arranged in the sleeved hard tube, the flow test wheel is in gapless fit with the inner wall of the sleeved hard tube and can freely and relatively slide, the sleeved joint is connected to the top end of the sleeved hard tube, the sensing detection device is fixedly arranged on the outer wall of the sleeved hard tube corresponding to the front part of the flow test wheel, and the fastening mechanism is connected to the position right above the sleeved joint;
the flow test wheel comprises a test wheel body, a plurality of liquid storage mechanisms which are closely arranged are uniformly arranged on the test wheel body, a cylindrical fixed rotating shaft which can freely rotate is arranged at the geometric center of the test wheel body, a plurality of supporting frameworks are fixedly connected between the fixed rotating shaft and the inner wall of the test wheel body, and mounting plates which are fixed with the outer wall of a sleeved hard tube are arranged at two ends of the fixed rotating shaft;
the sensing detection device comprises a PCB fixedly arranged on the outer wall of the sleeved hard tube, and a magnetic sensor is welded on the PCB;
the fastening mechanism comprises a screwing head screwed and connected with the inner thread of the inner wall of the sleeving head, a sleeving hoop is connected above the screwing head, and a flange is arranged at the joint of the screwing head and the sleeving hoop.
The utility model discloses a further improvement lies in: the liquid storage mechanism comprises a liquid temporary storage chamber, a binding plate fixedly connected with the testing wheel body is arranged behind the liquid temporary storage chamber, sheet permanent magnets are fixedly arranged on the surface of the binding plate, and the magnetic poles of the sheet permanent magnets arranged on two adjacent liquid storage mechanisms facing the direction of the testing wheel body are different.
The utility model discloses a further improvement lies in: a layer of water-proof cushion is arranged at the binding position of the mounting plate and the outer wall of the sleeved hard tube.
The utility model discloses a further improvement lies in: the magnetic sensor is a Hall sensor, a giant magnetoresistance sensor or a magnetic tunnel junction sensor.
The utility model discloses a further improvement lies in: the sensitive axis direction of the magnetic sensor is vertical to the opposite direction of the sheet permanent magnet.
The utility model discloses a further improvement lies in: cup joint the clamp and include first clamp and second clamp, and the left and right sides of first clamp all is connected with first buckle, and the left and right sides of second clamp all is connected with the second buckle, and first buckle and second buckle are connected through two fastening bolt, are provided with the nut of screwing on every fastening bolt.
The utility model discloses a further improvement lies in: all be provided with a layer gasket on the inner wall of first clamp and second clamp.
The utility model has the advantages that: the device is simple in structure, small in size and convenient to carry, the liquid flow in the pipe is determined by utilizing the characteristic that the magnetic sensor measures the rotating speed of the flow testing wheel, the mode is high in detection sensitivity, the testing result is accurate, the firm butt joint of different interfaces is realized through the fastening mechanism, and the problem that the pipeline to be detected is difficult to match with the detection device during the detection of the liquid flow in the pipeline is effectively solved.
The utility model discloses simple structure, relate to rationally, small, portable, and can dock convenient to use with different interfaces.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the flow measuring wheel of the present invention;
FIG. 3 is a schematic structural view of the liquid storing mechanism of the present invention;
fig. 4 is a schematic structural diagram of the detection principle of the magnetic sensor of the present invention;
figure 5 is the structure schematic diagram of the utility model discloses cup joint the clamp.
Wherein: 1-sleeved hard pipe, 2-sleeved joint, 201-internal thread, 3-flow test wheel, 301-test wheel body, 302-liquid storage mechanism, 3021-liquid temporary storage chamber, 3022-binding plate, 3023-sheet permanent magnet, 303-fixed rotating shaft, 304-supporting framework, 305-mounting plate, 306-water-proof pad, 4-sensing detection device, 401-magnetic sensor, 402-PCB plate, 5-fastening mechanism, 501-screwing head, 502-flange, 503-sleeved hoop, 5031-first hoop, 5032-second hoop, 5033-first buckle, 5034-second buckle, 5035-fastening bolt, 5036-screwing nut, 5037-sealing piece.
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.
As shown in fig. 1-5, the utility model relates to a portable liquid flow detection device based on magnetic sensing, which comprises a sleeve joint hard tube 1, a sleeve joint 2, a flow test wheel 3, a sensing detection device 4 and a fastening mechanism 5;
the flow test wheel 3 is fixedly arranged in the sleeved hard tube 1, the flow test wheel 3 is in gapless fit with the inner wall of the sleeved hard tube 1 and can freely and relatively slide, the sleeved joint 2 is connected to the top end of the sleeved hard tube 1, the sensing detection device 4 is fixedly arranged on the outer wall of the sleeved hard tube 1 corresponding to the position right in front of the flow test wheel 3, and the fastening mechanism 5 is connected to the position right above the sleeved joint 2;
the flow rate testing wheel 3 comprises a testing wheel body 301, a plurality of liquid storage mechanisms 302 which are closely arranged are uniformly arranged on the testing wheel body 301, a cylindrical fixed rotating shaft 303 which can freely rotate is arranged at the geometric center of the testing wheel body 301, a plurality of supporting frameworks 304 are fixedly connected between the fixed rotating shaft 303 and the inner wall of the testing wheel body 301, two ends of the fixed rotating shaft 303 are respectively provided with a mounting plate 305 which is fixed with the outer wall of the sleeved hard pipe 1, the binding place of the mounting plate 305 and the outer wall of the sleeved hard tube 1 is provided with a layer of water-proof pad 306, the water-proof pad 306 can effectively avoid flowing liquid from overflowing, the liquid storage mechanism 302 comprises a liquid temporary storage chamber 3021, a binding plate 3022 fixedly connected with the testing wheel body 301 is arranged behind the liquid temporary storage chamber 3021, sheet permanent magnets 3023 are fixedly arranged on the surface of the binding plate 3022, and the magnetic poles of the sheet permanent magnets 3023 arranged on two adjacent liquid storage mechanisms 302 towards the testing wheel body 301 are different. The sensing detection device 4 comprises a PCB 402 fixedly arranged on the outer wall of the sleeved hard tube 1, a magnetic sensor 401 is welded on the PCB 402, the sensitive axis direction of the magnetic sensor 401 is perpendicular to the facing direction of the sheet permanent magnet 3023, wherein the magnetic sensor 401 can be any one of a hall sensor, a giant magnetoresistance sensor or a magnetic tunnel junction sensor.
The sheet permanent magnets 3023 fixedly arranged on the surface of the binding plate 3022 generate magnetic fields which are detected by the sensitive shafts of the magnetic sensors 401 welded on the PCB 402, and output signals are generated, because the magnetic poles of the sheet permanent magnets 3023 arranged on the two adjacent liquid storage mechanisms 302 facing the direction of the test wheel body 301 are different, the signals transmitted by the sensors are periodically changed alternating signals, and the images of the alternating signals are displayed on the display screen of the PCB 402 after being processed.
The fastening mechanism 5 comprises a screwing head 501 screwed and connected with an internal thread 201 on the inner wall of the socket joint 2, an external thread is arranged on the outer side of the screwing head 501, the fastening mechanism 5 is fixed by matching the external thread with the internal thread 201 on the socket joint 2, a socket clamp 503 is connected above the screwing head 501, a flange 502 is arranged at the joint of the screwing head 501 and the socket clamp 503, the socket clamp 503 comprises a first clamp 5031 and a second clamp 5032, the left side and the right side of the first clamp 5031 are both connected with a first buckle 5033, the left side and the right side of the second clamp 5032 are both connected with a second buckle 5034, the first buckle 5033 and the second buckle 5034 are connected through two fastening bolts 5035, each fastening bolt 5035 is provided with a screwing nut 5036, a layer of sealing sheet 5037 is arranged on the inner walls of the first clamp 5031 and the second clamp 5032, and liquid seepage can be effectively avoided by the 5037. The specific working principle of the fastening mechanism 5 is that when the upper interface of the sleeved hard tube 1 cannot be in standard butt joint with a test pipeline, the fastening mechanism 5 is installed, and the liquid flow in the pipeline to be tested is tested by utilizing the clamping mode of the fastening mechanism 5. The method comprises the steps of firstly, screwing the tightening head 501 to the upper end of the sleeved hard pipe 1, simultaneously, mutually fastening the internal thread 201 on the inner wall of the sleeved hard pipe 1 and the tightening head 501, opening the screwing nut 5036 on the sleeved hoop 503 at the moment, separating the first hoop 5031 from the second hoop 5032, clamping the pipeline to be tested with the first hoop 5031 and the second hoop 5032, screwing the screwing nut 5036, and firmly clamping the pipeline to be tested by the first hoop 5031 and the second hoop 5032 at the moment to realize firm butt joint of different interfaces.
It is worth mentioning that the sleeving hard pipe 1 is made of nonmagnetic hard material, and can be made of aluminum copper or hard plastic.
The utility model discloses simple structure, relate to rationally, small, portable, and can dock convenient to use with different interfaces.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. Portable liquid flow detection device based on magnetic sensing, its characterized in that: comprises a sleeve joint hard pipe (1), a sleeve joint (2), a flow test wheel (3), a sensing detection device (4) and a fastening mechanism (5);
the flow testing wheel (3) is fixedly arranged in the sleeved hard pipe (1), the flow testing wheel (3) is attached to the inner wall of the sleeved hard pipe (1) without a gap and can freely and relatively slide, the sleeved joint (2) is connected to the top end of the sleeved hard pipe (1), the sensing detection device (4) is fixedly arranged on the outer wall of the sleeved hard pipe (1) corresponding to the position right in front of the flow testing wheel (3), and the fastening mechanism (5) is connected to the position right above the sleeved joint (2);
the flow testing wheel (3) comprises a testing wheel body (301), a plurality of liquid storage mechanisms (302) which are closely arranged are uniformly arranged on the testing wheel body (301), a cylindrical fixed rotating shaft (303) which can freely rotate is arranged at the geometric center of the testing wheel body (301), a plurality of supporting frameworks (304) are fixedly connected between the fixed rotating shaft (303) and the inner wall of the testing wheel body (301), and mounting plates (305) which are fixed with the outer wall of the sleeved hard pipe (1) are arranged at two ends of the fixed rotating shaft (303);
the sensing detection device (4) comprises a PCB (402) fixedly arranged on the outer wall of the sleeved hard tube (1), and a magnetic sensor (401) is welded on the PCB (402);
fastening device (5) include with the internal thread (201) of cup jointing head (2) inner wall screw the head (501) of screwing of being connected each other, the top of screwing head (501) is connected with and cup joints clamp (503), screws head (501) and cup joints clamp (503) junction and is provided with flange (502).
2. A portable magnetic sensing-based liquid flow sensing device according to claim 1, wherein; the liquid storage mechanism (302) comprises a liquid temporary storage chamber (3021), a binding board (3022) fixedly connected with the testing wheel body (301) is arranged behind the liquid temporary storage chamber (3021), sheet permanent magnets (3023) are fixedly arranged on the surface of the binding board (3022), and adjacent two magnetic poles of the sheet permanent magnets (3023) towards the testing wheel body (301) are different from each other, wherein the sheet permanent magnets (3023) are arranged on the liquid storage mechanism (302).
3. A portable magnetic sensing-based liquid flow sensing device according to claim 1 or 2, wherein; a layer of water-proof cushion (306) is arranged at the binding position of the mounting plate (305) and the outer wall of the sleeved hard tube (1).
4. A portable magnetic sensing-based liquid flow sensing device according to claim 1, wherein; the magnetic sensor (401) is a Hall sensor, a giant magnetoresistance sensor or a magnetic tunnel junction sensor.
5. A portable magnetic sensing-based liquid flow sensing device as claimed in claim 2, wherein: the sensitive axis direction of the magnetic sensor (401) is perpendicular to the opposite direction of the sheet permanent magnet (3023).
6. A portable magnetic sensing-based liquid flow sensing device as claimed in claim 1, wherein: the sleeved hoop (503) comprises a first hoop (5031) and a second hoop (5032), wherein the left side and the right side of the first hoop (5031) are both connected with a first buckle (5033), the left side and the right side of the second hoop (5032) are both connected with a second buckle (5034), the first buckle (5033) and the second buckle (5034) are connected through two fastening bolts (5035), and each fastening bolt (5035) is provided with a screwing nut (5036).
7. A portable magnetic sensing-based liquid flow sensing device as claimed in claim 6, wherein: a layer of sealing sheet (5037) is arranged on the inner wall of each of the first clamp (5031) and the second clamp (5032).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750097.6U CN210321848U (en) | 2019-05-23 | 2019-05-23 | Portable liquid flow detection device based on magnetic sensing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750097.6U CN210321848U (en) | 2019-05-23 | 2019-05-23 | Portable liquid flow detection device based on magnetic sensing |
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| CN210321848U true CN210321848U (en) | 2020-04-14 |
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| CN201920750097.6U Active CN210321848U (en) | 2019-05-23 | 2019-05-23 | Portable liquid flow detection device based on magnetic sensing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044429A (en) * | 2019-05-23 | 2019-07-23 | 南京师范大学泰州学院 | Portable fluid flow detector based on magnetic sensing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044429A (en) * | 2019-05-23 | 2019-07-23 | 南京师范大学泰州学院 | Portable fluid flow detector based on magnetic sensing |
| CN110044429B (en) * | 2019-05-23 | 2024-02-02 | 南京师范大学泰州学院 | Portable liquid flow detection device based on magnetic sensing |
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