CN209102156U - A kind of Hall flow meter - Google Patents
A kind of Hall flow meter Download PDFInfo
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- CN209102156U CN209102156U CN201821958095.8U CN201821958095U CN209102156U CN 209102156 U CN209102156 U CN 209102156U CN 201821958095 U CN201821958095 U CN 201821958095U CN 209102156 U CN209102156 U CN 209102156U
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- impeller
- main casing
- flow meter
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- hall
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Abstract
The claimed Hall flow meter of the utility model; including main casing; impeller fixed frame, impeller, connector and wiring board Hall switch, the impeller is rotatably arranged in the main casing by the impeller fixed frame, wherein being provided with magnetic part on the impeller；The Hall switch setting corresponds to impeller setting by the connector and fixes relative to the main casing in the wiring board, the wiring board, and the Hall switch can incude the changes of magnetic field of the magnetic part caused by the wheel rotation.The utility model structure is simple, is not only convenient for the assembly of Hall flow meter entirety, and reduces the volume of Hall flow meter entirety；Hall switch setting simultaneously in the circuit board, and is assembled with wiring board is whole with connector, further to reduce the complexity that the Hall flow meter integrally assembles.
Description
Technical field
The utility model belongs to the relevant technical field of fluid flowmeter, more particularly to a kind of Hall flow meter.
Background technique
Hall flow meter is a kind of based on displacement sensing, however fluid forces impeller rotates, and has magnet on impeller, generates
Magnetic field exchange, then revolving speed is fast greatly for flow velocity.Hall flow meter is widely used, and can be applied to community water supply faucet, water dispenser, coffee
Coffee machine rushes milk etc., can be realized the real-time statistics to flow.
Currently, existing Hall flow meter volume is larger, assembly space required for when assembly is corresponding is big, and Hall stream
Meter complicated integral structure is not easy to the assembly of whole Hall flow meter.In addition, for sensing changes of magnetic field on Hall flow meter
Hall switch and wiring board be split settings, specifically the two is electrically connected with connector 40, with this according to Hall switch institute
Corresponding fluid flow is calculated in the magnetic field variation signal measured, is not easy to the integrally-built dress of Hall slip-stream amount part
Match.
Utility model content
Based on this, it is necessary to for the technical problems in the prior art, provide a kind of Hall flow meter.
Specifically, a kind of Hall flow meter, including main casing, impeller fixed frame, impeller, connector and wiring board and suddenly
You switch, and the impeller is rotatably arranged in the main casing by the impeller fixed frame, wherein on the impeller
It is provided with magnetic part；The Hall switch setting is corresponded to described in the wiring board, the wiring board by the connector
Impeller is arranged and is detachably arranged relative to the main casing, and the Hall switch can incude institute caused by the wheel rotation
State the changes of magnetic field of magnetic part.
As a preferred embodiment of the present invention, an installation opening is offered on the connector, the wiring board fixation is set
It sets in the installation opening of the connector.
As a preferred embodiment of the present invention, the connector is set as box-like, the connector and the main casing
Fixation is attached in a manner of clamping.
As a preferred embodiment of the present invention, an opening is provided on the connector, the connector is opened described
It is provided with a snap-on in mouthful, the opening of the connector can be fastened on the main casing, and with the snap-on and the shell
It is fixed between body.
As a preferred embodiment of the present invention, a cavity is formed inside the main casing, wherein the sky of the main casing
It is intracavitary to be provided with a partition, a through-hole is offered on the partition, and when liquid flows in the cavity of the main casing, by way of
The liquid of through-hole is flowed out and is acted on the impeller on the partition, to drive the wheel rotation.
As a preferred embodiment of the present invention, it is provided with multiple limit salient points in the cavity wall of the main casing cavity, uses
It is fixed in the cavity of the main casing in by impeller fixed frame limit.
As a preferred embodiment of the present invention, convex ribs are provided in the cavity wall of the main casing cavity, the impeller is solid
Determine to offer bar groove on the side wall of frame, and the convex ribs match with the bar groove.
As a preferred embodiment of the present invention, shaft, the impeller are respectively arranged on two opposite ends of the impeller
It is arranged on the impeller fixed frame in a manner of being rotatablely connected the shaft.
As a preferred embodiment of the present invention, the impeller includes 4 blades that uniformly arrangement is arranged, wherein per adjacent
Junction between two blades is respectively arranged with a magnetic part.
As a preferred embodiment of the present invention, the impeller is teflon impellers, and the impeller fixed frame is poly-
Tetrafluoroethene impeller fixed frame.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
Hall flow meter provided by the utility model, Hall switch is to magnetic part on impeller by main casing on available line plate
The driving of internal working fluid and the changes of magnetic field generated, realize Hall flow meter work to fluid flow in main casing with this
Measurement；The Hall flow meter overall structure is simple, is not only convenient for the assembly of Hall flow meter entirety, and reduces this suddenly
The volume of your flowmeter entirety, plays the role of assembling on access convenient for the Hall flow meter with this；Hall switch is set simultaneously
It sets in the circuit board, and is assembled with wiring board is whole with connector, it is further to reduce what the Hall flow meter integrally assembled
Complexity.
Detailed description of the invention
Fig. 1 is the exploded view of Hall flow meter provided by one embodiment of the utility model.
Fig. 2 is another angular views of the main casing of Hall flow meter in Fig. 1.
Fig. 3 is the impeller fixed frame of Hall flow meter and the assembling schematic diagram of impeller in Fig. 1.
Fig. 4 is another angular views of the impeller of Hall flow meter in Fig. 1.
Fig. 5 is another angular views of the connector of Hall flow meter in Fig. 1.
Fig. 6 is another angular views of the connector of Hall flow meter in Fig. 1.
Wherein, 10, main casing；11, partition；12, through-hole；13, convex ribs；14, salient point is limited；20, impeller fixed frame；21,
Bar groove；30, impeller；31, shaft；32, blade；33, magnetic part；40, connector；41, installation opening；42, reinforcing rib；43, it is open；
44, snap-on；50, wiring board；51, Hall switch；52, wire connecting portion.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Referring to Fig. 1, Hall flow meter provided by one embodiment of the utility model, including main casing 10, impeller are solid
Determine frame 20, impeller 30, connector 40, wiring board 50 and Hall switch 51；The impeller 30 passes through 20 energy of impeller fixed frame
It is enough rotatably arranged in the main casing 10, wherein being provided with magnetic part 33 on the impeller 30, the Hall switch 51 is set
It sets on the wiring board 50, and the Hall switch 51 can incude the impeller 30 and the rotation of magnetic part 33 is caused to be produced
Raw changes of magnetic field.
Referring to Figure 2 together, the main casing 10 be the Hall flow meter main structure, inside be formed with
Chamber, and the Hall flow meter is applied on access, the liquid on access can enter to institute from one end of the main casing 10
In the cavity for stating main casing 10, then discharged again from the other end of the main casing 10, with this realize the main casing 10 with
The connection of access.
In the present embodiment, it is provided with a partition 11 in the cavity of the main casing 10, offers one on the partition 11
Through-hole 12, when so that liquid flowing in the cavity of main casing 10, the liquid of through-hole 12 flows out and makees on the partition 11
With on the impeller 30, to drive the impeller 30 to rotate, the liquid in the main casing 10 is played with this and is convenient for impeller 30
Rotate driving.
In the present embodiment, multiple limit salient points 14 are provided in the cavity wall of 10 cavity of main casing, being used for will be described
The limit of impeller fixed frame 20 is fixed on the cavity of the main casing 10.Specifically, multiple limit salient points 14 with it is described every
The cooperation of plate 11 can be fixed on the cavity of the main casing 10 limit of impeller fixed frame 20 being placed between the two.Wherein,
Salient point 14 is limited there are two being symmetrical arranged in the cavity wall of 10 cavity of main casing.It is appreciated that 10 cavity of main casing
The quantity for the limit salient point 14 being provided in cavity wall is not limited to embodiment illustrated, and those skilled in the art can be according to demand
The limit salient point of different number is set.
It is provided with convex ribs 13 in the cavity wall of 10 cavity of main casing, offers item on the side wall of the impeller fixed frame 20
Slot 21, the bar groove 14 match with the convex ribs 13.So that the impeller fixed frame 20 is inserted into the sky of the main casing 10
When chamber, the impeller fixed frame 20 can be inserted into the main casing 10 by the cooperation of bar groove 21 and the convex ribs 14,
Middle convex ribs 14 are slidably matched with the bar groove 21 of the impeller fixed frame 20 and can mutually abut, and on the one hand realize main casing 10
Circumferential direction limit to impeller fixed frame 20 disposed within, has on the other hand been also convenient for impeller fixed frame 20 in main casing 10
Assembly.Wherein, two convex ribs 13 are symmetrically provided in the cavity wall of 10 cavity of main casing, the impeller fixed frame 20 is equipped with
Two bar grooves 21 corresponding to the convex ribs 13.It is appreciated that the quantity of the convex ribs 13 and the bar groove 21 is not
It is limited to embodiment illustrated, the convex ribs 13 and bar groove 21 of respective numbers can be arranged in those skilled in the art according to demand,
In addition, the bar groove 21 and the convex ribs 13 can be replaced mutually setting, i.e., it is arranged in the impeller fixed frame 20 similar
Convex ribs, and similar bar groove is set in the main casing 10.No longer repeat one by one.
Also referring to Fig. 3, the impeller 30 is arranged on the impeller fixed frame 20, and passes through the impeller fixed frame
20 are rotatably arranged in the main casing 10.And the impeller 30 is by the liquid driven flowed in the main casing 10,
Realize the rotary motion done relative to the impeller fixed frame 20.
Referring to Figure 4 together, it is respectively arranged with shaft 31 on two opposite ends of the impeller 30, and the impeller 30 passes through
The shaft 31 is arranged on the impeller fixed frame 20, realizes that the rotation between impeller 30 and impeller fixed frame 20 connects with this
It connects.It also can be rotation with two shafts 31 on the impeller 30 that is, the impeller 30 is assemblied on the impeller fixed frame 20
Center line does the rotary motion relative to the impeller fixed frame 20.
In the present embodiment, the impeller 30 is provided with 32,4, the 4 blades uniformly arrangements of blade 32, wherein every phase
The junction of adjacent two blades 32 is respectively arranged with a magnetic part 33, so that 30 blade 32 of the impeller was flowed
When rotating on impeller fixed frame 20, magnetic part 33 follows the rotation of the blade 32 to generate changes of magnetic field for the driving of liquid.It can
To understand, the magnetic part 33 generated magnetic field exchange, rotation speed and main casing with blade 32 when blade being followed to rotate
The flow velocity of liquid corresponds in body 10, realizes measurement of the Hall flow meter to fluid flow in main casing 10 with this.Wherein,
The magnetic part 33 is preferably magnet.It is appreciated that the quantity and shape of 30 blade 32 of impeller are not limited to the reality of diagram
Mode is applied, in the case where can be realized the object of the invention, those skilled in the art can be other any according to actual demand seat
Suitable variation or deformation.
As a preferred embodiment of the present invention, the impeller 30 is teflon impellers, the impeller fixed frame 20
For teflon impellers fixed frame.That is, the impeller 30 and the impeller fixed frame 20 are by polytetrafluoroethylene (PTFE) system
It is standby to form, so as to improve the wearability of the impeller 30 and impeller fixed frame 20, and then there is the work for improving the Hall flow meter
Precision, and extend the effect of the Hall flow meter service life.
The connector 40 is used to the wiring board 50 being fixed on the main casing 10, so as on the wiring board 50
Hall switch 51 incude the impeller 30 rotate caused by the magnetic part 33 changes of magnetic field.
In the present embodiment, the connector 40 is set as box-like, and the connector 40 is with the main casing 10 to be clamped
Mode be attached fixation.It is specifically clamped on the main casing 10 and is provided on the part of impeller 30, to be fixed on connection
The Hall switch 51 on wiring board 50 on part 40 senses that the impeller 30 rotates the changes of magnetic field for leading to the magnetic part 33.
Also referring to Fig. 5, Fig. 6, installation opening 41 is provided on the connector 40, and the wiring board 50 is fixedly installed
In the installation opening 41 of the connector 40, in the present embodiment, preferably used between the wiring board 50 and the connector 40
Glue is fixed.
Further, multiple reinforcing ribs 42 are arranged in the connector 40 on the cell wall of installation opening 41, for being placed in
The wiring board 50 stated in installation opening 41 is limited, that is to say, that the wiring board 50 can be bonded the connector 40 and assemble
Reinforcing rib 42 on mouth 41 is inserted into the installation opening 41 of the connector 40, in order between wiring board 50 and connector 40
Assembly.
Wherein, an opening 43 is provided on the connector 40, and the connector 40 is provided in the opening 43
One snap-on 44, and when the connector 40 is with the 10 mutually assembly of main casing, the opening 43 on the connector 40 can be used
It is connected on the main casing 10, and is fixed with the snap-on 44, that is to say, that be connected to the master with snap-on 44
On the lateral wall of shell 10, being fixedly connected between connector 40 and main casing 10 is realized with this.
The wiring board 50 can cooperate with the connector 40, and can be fixed on the main casing by the connector 40
On body 10.The Hall switch 51 is arranged on the wiring board 50, and the Hall switch 51 can receive the impeller 30
On the generated changes of magnetic field when impeller 30 being followed to rotate of magnetic part 33, realized with this and flowed on 10 cavity of main casing
Fluid flow carry out signal acquisition；And the Hall switch 51 can believe the corresponding circuit that switchs to of the received magnetic field signal of institute
Number, and it is sent to wiring board 50, so that wiring board 50 is by calculating the corresponding flow value for obtaining liquid in the main casing 10.
In present embodiment, tipping has wire connecting portion 52 on the wiring board 50, and the wire connecting portion 52 can be by the route
Plate connects external devices, such as power supply, processor etc., and the flow value can be by the processor to the letter of the Hall switch
It number is obtained through operation.It is appreciated that the processor can also be directly arranged on the wiring board 50.
To sum up, Hall flow meter provided by the utility model, Hall switch is to magnetic part on impeller on available line plate
The magnetic field exchange generated by the liquid driven flowed in main casing realizes Hall flow meter work to liquid in main casing with this
The measurement of body flow.The Hall flow meter overall structure is simple, is not only convenient for the assembly of Hall flow meter entirety, and reduce
The volume of Hall flow meter entirety, plays the role of assembling on access convenient for the Hall flow meter with this；Hall simultaneously
Switch setting in the circuit board, and is assembled with wiring board is whole with connector, further to reduce Hall flow meter entirety
The complexity of assembly.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of Hall flow meter, it is characterised in that: including main casing, impeller fixed frame, impeller, connector and wiring board and
Hall switch, the impeller is rotatably arranged in the main casing by the impeller fixed frame, wherein the impeller
On be provided with magnetic part；In the wiring board, the wiring board corresponds to institute by the connector for the Hall switch setting
It states impeller setting and is detachably arranged relative to the main casing, the Hall switch can incude caused by the wheel rotation
The changes of magnetic field of the magnetic part.
2. Hall flow meter according to claim 1, it is characterised in that: offer an installation opening, institute on the connector
Wiring board is stated to be fixed in the installation opening of the connector.
3. Hall flow meter according to claim 2, it is characterised in that: the connector is set as box-like, the connection
Part and the main casing are attached fixation in a manner of being clamped.
4. Hall flow meter according to claim 3, it is characterised in that: an opening is provided on the connector, it is described
Connector is provided with a snap-on in the opening, and the opening of the connector can be fastened on the main casing, and use institute
It states and is fixed between snap-on and the shell.
5. Hall flow meter according to claim 1, it is characterised in that: a cavity is formed inside the main casing, wherein
It is provided with a partition in the cavity of the main casing, a through-hole is offered on the partition, and liquid is in the sky of the main casing
It when intracavitary flowing, flows out and is acted on the impeller by way of the liquid of through-hole on the partition, to drive the wheel rotation.
6. Hall flow meter according to claim 5, it is characterised in that: be provided in the cavity wall of the main casing cavity more
A limit salient point, for impeller fixed frame limit to be fixed in the cavity of the main casing.
7. Hall flow meter according to claim 6, it is characterised in that: be provided in the cavity wall of the main casing cavity convex
Muscle offers bar groove on the side wall of the impeller fixed frame, and the convex ribs match with the bar groove.
8. Hall flow meter according to claim 1, it is characterised in that: be respectively arranged on two opposite ends of the impeller
Shaft, the impeller are arranged on the impeller fixed frame the shaft in a manner of being rotatablely connected.
9. Hall flow meter according to claim 1, it is characterised in that: the impeller includes 4 leaves that uniformly arrangement is arranged
Piece, wherein the junction between each adjacent two blade is respectively arranged with a magnetic part.
10. Hall flow meter according to claim 1, it is characterised in that: the impeller is teflon impellers, the leaf
Wheel fixed frame is teflon impellers fixed frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958095.8U CN209102156U (en) | 2018-11-26 | 2018-11-26 | A kind of Hall flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958095.8U CN209102156U (en) | 2018-11-26 | 2018-11-26 | A kind of Hall flow meter |
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| Publication Number | Publication Date |
|---|---|
| CN209102156U true CN209102156U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821958095.8U Active CN209102156U (en) | 2018-11-26 | 2018-11-26 | A kind of Hall flow meter |
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| CN (1) | CN209102156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050861A (en) * | 2020-09-23 | 2020-12-08 | 绍兴市上虞东虞塑料电器有限公司 | Temperature flow detection circuit and sensor thereof |
-
2018
- 2018-11-26 CN CN201821958095.8U patent/CN209102156U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050861A (en) * | 2020-09-23 | 2020-12-08 | 绍兴市上虞东虞塑料电器有限公司 | Temperature flow detection circuit and sensor thereof |
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