CN207231559U - A kind of water flow sensing unit - Google Patents
A kind of water flow sensing unit Download PDFInfo
- Publication number
- CN207231559U CN207231559U CN201720795879.2U CN201720795879U CN207231559U CN 207231559 U CN207231559 U CN 207231559U CN 201720795879 U CN201720795879 U CN 201720795879U CN 207231559 U CN207231559 U CN 207231559U
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- China
- Prior art keywords
- impeller
- base enclosure
- sensing unit
- water flow
- water
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Abstract
It the utility model is related to a kind of water flow sensing unit, including base enclosure, water cavity is equipped with base enclosure, base enclosure is equipped with water inlet, water outlet, the installing port communicated with water cavity, the impeller for loading from installing port and being rotated by current driving is equipped with water cavity, impeller is equipped with magnetic pole, technical points are, base enclosure is equipped with the installation lid for covering installing port, installation lid is welded as a whole by welding procedure with base enclosure and forms sensor body, the Hall element of magnetic pole and magnetic field change when sensor body is equipped with sensing wheel rotation.The utility model is simple in structure, easy for installation.
Description
【Technical field】
It the utility model is related to a kind of water flow sensing unit.
【Background technology】
Water flow sensing unit is generally used to detection water flow, generally comprises housing, impeller, Hall element, is set on impeller
Magnetic pole, during wheel rotation, for magnetic pole also with rotation, such Hall element can sense the change of magnetic pole and magnetic field, water flow is big,
Rotating speed is fast, changes of magnetic field is fast, so as to carry out traffic monitoring.Existing water flow sensing unit is typically all to be connected to install with screw, by
Impeller must be installed in water flow sensing unit in housing, while there are sealing requirements again, and bear certain hydraulic pressure, connected with screw
Connect and have to more sealing structure, its is complicated, and installation is inconvenient.
【Utility model content】
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of simple in structure, high water of production efficiency
Flow sensor.
To solve the above-mentioned problems, the utility model uses following technical scheme：
A kind of water flow sensing unit, including base enclosure, are equipped with water cavity in base enclosure, the base enclosure equipped with communicated with water cavity into
The mouth of a river, water outlet, installing port, the water cavity is interior to be equipped with the impeller for loading from the installing port and being rotated by current driving, institute
The impeller stated is equipped with magnetic pole, it is characterised in that：The base enclosure is equipped with the installation lid for covering the installing port, described
Installation lid and base enclosure be welded as a whole composition sensor body by welding procedure, the sensor body is equipped with sensing
The Hall element of magnetic pole and magnetic field change described in during wheel rotation.
A kind of water flow sensing unit as described above, it is characterised in that：The installation is covered equipped with the installation Hall
The lid mounting groove of element, the lid mounting groove are located at the magnetic pole side.
A kind of water flow sensing unit as described above, it is characterised in that：Shaft one end tip cutting of the impeller is described
Water cavity inner wall other end tip cutting is covered in the installation, is arranged with pad on the impeller shaft between impeller and water cavity
Piece.
A kind of water flow sensing unit as described above, it is characterised in that：Set in the water cavity in the installation side of covering
There is the interior sealing block of the closure installing port, one end of the impeller is withstood on the interior sealing block.
A kind of water flow sensing unit as described above, it is characterised in that：Set between the interior sealing block and the water cavity
There is sealing ring.
A kind of water flow sensing unit as described above, it is characterised in that：The base enclosure is equipped with the installation Hall member
The shell mounting groove of part, the shell mounting groove are located at the magnetic pole side, and the base enclosure is inserted into described equipped with one end
Shell mounting groove in Hall element load block, the base enclosure is equipped with fixing groove, Hall element loading block it is another
One end is inserted into the elastic fastening hook in the fixing groove and being buckled on it.
A kind of water flow sensing unit as described above, it is characterised in that：Shaft one end tip cutting of the impeller is described
Water cavity inner wall other end tip cutting on the interior sealing block, on the impeller shaft the impeller and interior sealing block it
Between be arranged with gasket.
A kind of water flow sensing unit as described above, it is characterised in that：The base enclosure and installation lid is plastic part.
The beneficial effects of the utility model have：By setting base enclosure and installation to cover, both are welded into one by welding procedure
Body, it is simple in structure, it is easy for installation；By setting gasket, it is ensured that more smoothed out during wheel rotation, prevent impeller to be subject to when rotating
Downward force and block；By additionally setting interior sealing block, so sealing is more firm, it plays support and sealing function, significantly
Improve the leakproofness and hydraulic pressure ability to bear of sensor.
【Brief description of the drawings】
Fig. 1 is the stereogram of the utility model embodiment one；
Fig. 2 is the explosive view of the utility model embodiment one；
Fig. 3 is the stereogram of the installation lid of the utility model embodiment one；
Fig. 4 is the stereogram of the base enclosure of the utility model embodiment one；
Fig. 5 is the stereogram of the utility model embodiment two；
Fig. 6 is the explosive view of the utility model embodiment two.
【Embodiment】
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
As shown in Figures 1 to 6, a kind of water flow sensing unit, including base enclosure 1, base enclosure 1 is interior to be equipped with water cavity 2, and base enclosure 1 is equipped with
Water inlet 3, water outlet 4, the installing port 5 communicated with water cavity 2, interior be equipped with from installing port 5 of water cavity 2 load what is rotated by current driving
Impeller 6, impeller 6 are equipped with magnetic pole 61, and base enclosure 1 is equipped with the installation lid 7 for covering installing port 5, and base enclosure 1 and installation lid 7 are modeling
Materials and parts.Installation lid 7 is welded as a whole by welding procedure with base enclosure 1 and forms sensor body 10, welding procedure such as ultrasonic wave
Welding, spinning welding etc., heat when passing through welding and reach slush state, so as to be fused, sensor body 10 is equipped with
Sensing the Hall element 8 of 61 changes of magnetic field of magnetic pole when impeller 6 rotates, Hall element 8 is arranged on 61 level side of magnetic pole, every
Certain distance is opened, due to what is fixed during 8 position of Hall element, when there are current, magnetic pole 61 rotates, and such Hall element 8 is felt
The magnetic field that should be arrived can change, and rotating speed is faster, and change is faster, so as to judge water flow.
The mounting means of Hall element 8 and the frame mode of sensor body 10, can there is a variety of, such as embodiment one,
The lid mounting groove 71 that lid 7 is equipped with installation Hall element 8 is installed, lid mounting groove 71 is located at 61 side of magnetic pole.The shaft one of impeller 6
Tip cutting is held on installation lid 7, to be arranged with pad in 6 shaft of impeller between impeller 6 and water cavity 2 in 2 inner wall other end tip cutting of water cavity
Piece 62.Lid 7, Hall element 8 and magnetic pole 61 are installed on the top, Hall element 8 can be fixed in lid mounting groove 71 by glue.
Another way is, i.e. embodiment two, is equipped with the interior sealing block for blocking installing port 5 in water cavity 2 above installation lid 7
9, one end of impeller 6 is withstood on interior sealing block 9, and installation lid 7 is arranged on the lower section of base enclosure 1.Base enclosure 1 is equipped with installation Hall element 8
Shell mounting groove 11, shell mounting groove 11 is located at 61 side of magnetic pole, and base enclosure 1 is equipped with the Hall that one end is inserted into shell mounting groove 11
Element loads block 12, and base enclosure 1 is equipped with fixing groove 13, and the other end that Hall element loads block 12 is inserted into fixing groove 13 and blocks
Elastic fastening hook 14 thereon is buckled in, so conveniently splits out Hall element 8.Shaft one end tip cutting of impeller 6 is another in 2 inner wall of water cavity
Tip cutting is held to be arranged with gasket 62 in 6 shaft of impeller between impeller 6 and interior sealing block 9 on interior sealing block 9.Interior sealing block 9 exists
The lower end of base enclosure 1, plays support and sealing function, can add sealing ring 91 between 2 inner wall of interior sealing block 9 and water cavity.
Claims (8)
1. a kind of water flow sensing unit, including base enclosure (1), base enclosure (1) is interior to be equipped with water cavity (2), and the base enclosure (1) is equipped with and water
Water inlet (3) that chamber (2) communicates, water outlet (4), installing port (5), are equipped with from the installing port (5) in the water cavity (2)
Load the impeller (6) rotated by current driving, the impeller (6) is equipped with magnetic pole (61), it is characterised in that：The base enclosure
(1) the installation lid (7) for covering the installing port (5) is equipped with, the installation lid (7) passes through Welder with base enclosure (1)
Skill, which is welded as a whole, forms sensor body (10), and the sensor body (10) is equipped with sensing impeller (6) and rotates when institute
The Hall element (8) of magnetic pole (61) changes of magnetic field stated.
A kind of 2. water flow sensing unit according to claim 1, it is characterised in that：The installation lid (7) is equipped with installation
The lid mounting groove (71) of the Hall element (8), the lid mounting groove (71) are located at described magnetic pole (61) side.
A kind of 3. water flow sensing unit according to claim 1, it is characterised in that：Shaft one end top of the impeller (6)
Water cavity (2) the inner wall other end tip cutting is inserted on the installation lid (7), in impeller in the impeller (6) shaft
(6) gasket (62) is arranged between water cavity (2).
A kind of 4. water flow sensing unit according to claim 1, it is characterised in that：In the peace in the water cavity (2)
It is equipped with the interior sealing block (9) of the closure installing port (5) above capping (7), one end of the impeller (6) withstands on described
On interior sealing block (9).
A kind of 5. water flow sensing unit according to claim 4, it is characterised in that：The interior sealing block (9) with it is described
Sealing ring (91) is equipped between water cavity (2).
A kind of 6. water flow sensing unit according to claim 4, it is characterised in that：The base enclosure (1) is equipped with installation institute
The shell mounting groove (11) for the Hall element (8) stated, the shell mounting groove (11) is located at described magnetic pole (61) side, described
Base enclosure (1) is equipped with the Hall element that one end is inserted into the shell mounting groove (11) and loads block (12), the base enclosure (1)
Fixing groove (13) is equipped with, the other end that the Hall element loads block (12) is inserted into the fixing groove (13) and blocks
It is buckled in elastic fastening hook (14) thereon.
A kind of 7. water flow sensing unit according to claim 4, it is characterised in that：Shaft one end top of the impeller (6)
Water cavity (2) the inner wall other end tip cutting is inserted on the interior sealing block (9), in institute in the impeller (6) shaft
Gasket (62) is arranged between the impeller (6) and interior sealing block (9) stated.
A kind of 8. water flow sensing unit according to claim 1, it is characterised in that：The base enclosure (1) and installation covers (7) and is
Plastic part.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795879.2U CN207231559U (en) | 2017-06-30 | 2017-06-30 | A kind of water flow sensing unit |
| CN201721558006.6U CN207515854U (en) | 2017-06-30 | 2017-06-30 | A kind of water flow sensing unit |
| CN201721576170.XU CN207515855U (en) | 2017-06-30 | 2017-06-30 | A kind of one body swimming flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795879.2U CN207231559U (en) | 2017-06-30 | 2017-06-30 | A kind of water flow sensing unit |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721558006.6U Division CN207515854U (en) | 2017-06-30 | 2017-06-30 | A kind of water flow sensing unit |
| CN201721576170.XU Division CN207515855U (en) | 2017-06-30 | 2017-06-30 | A kind of one body swimming flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207231559U true CN207231559U (en) | 2018-04-13 |
Family
ID=61853248
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720795879.2U Active CN207231559U (en) | 2017-06-30 | 2017-06-30 | A kind of water flow sensing unit |
| CN201721576170.XU Active CN207515855U (en) | 2017-06-30 | 2017-06-30 | A kind of one body swimming flow sensor |
| CN201721558006.6U Active CN207515854U (en) | 2017-06-30 | 2017-06-30 | A kind of water flow sensing unit |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721576170.XU Active CN207515855U (en) | 2017-06-30 | 2017-06-30 | A kind of one body swimming flow sensor |
| CN201721558006.6U Active CN207515854U (en) | 2017-06-30 | 2017-06-30 | A kind of water flow sensing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN207231559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627210A (en) * | 2018-07-04 | 2018-10-09 | 台州白山机电有限公司 | A kind of flow counting sensor module |
| CN111614348A (en) * | 2020-04-20 | 2020-09-01 | 中山市博安泰电器科技有限公司 | Hall switch with electricity-proof wall |
-
2017
- 2017-06-30 CN CN201720795879.2U patent/CN207231559U/en active Active
- 2017-06-30 CN CN201721576170.XU patent/CN207515855U/en active Active
- 2017-06-30 CN CN201721558006.6U patent/CN207515854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627210A (en) * | 2018-07-04 | 2018-10-09 | 台州白山机电有限公司 | A kind of flow counting sensor module |
| CN111614348A (en) * | 2020-04-20 | 2020-09-01 | 中山市博安泰电器科技有限公司 | Hall switch with electricity-proof wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207515855U (en) | 2018-06-19 |
| CN207515854U (en) | 2018-06-19 |
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