CN207066521U - A kind of flow sensor - Google Patents
A kind of flow sensor Download PDFInfo
- Publication number
- CN207066521U CN207066521U CN201721004712.6U CN201721004712U CN207066521U CN 207066521 U CN207066521 U CN 207066521U CN 201721004712 U CN201721004712 U CN 201721004712U CN 207066521 U CN207066521 U CN 207066521U
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- China
- Prior art keywords
- upper lid
- flow sensor
- impeller
- lower cover
- base
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Abstract
The utility model belongs to field of measuring technique, a kind of more particularly to flow sensor, including upper lid, lower cover, impeller assembly, base and PCB components, the upper lid is connected and is mutually communicated with the lower cover buckle-type, the upper lid is provided with water inlet, the lower cover is provided with delivery port, the impeller assembly and the base may be contained within the inside of the upper lid, the impeller assembly connects with the base engagement, the PCB components include connector, pcb board and Hall element, the connector is arranged at the side ports of the upper lid, the pcb board is welded in the connector, the Hall element welds with the pcb board.Compared to prior art, the utility model has high accuracy and good water proofing property, can fine adjustment, and reduce and be disturbed and abnormal phenomenon occurs.
Description
Technical field
The utility model belongs to field of measuring technique, more particularly to a kind of flow sensor.
Background technology
Flow sensor is the sensor for measuring fluid flow.Flow sensor is a kind of instrument important in e measurement technology
Device, it is widely used in the fields such as industrial stokehold, life science and technology, business application, military affairs.
As automaticity improves constantly, the required precision of flow sensor is more next in modern industrial production and life
It is higher, so high-precision sensor is one of flow sensor development trend.In addition, flow sensor has good water proofing property
Also it is very important.
In view of this, a kind of there is the flow sensor of high accuracy and good water proofing property to ensure to produce it is necessory to provide
Automate reliability.
Utility model content
The purpose of this utility model is：In view of the shortcomings of the prior art, a kind of flow sensor is provided, it has height
Precision and good water proofing property, can fine adjustment, and reduce and be disturbed and abnormal phenomenon occurs.
To achieve these goals, the utility model uses following technical scheme：
A kind of flow sensor, including upper lid, lower cover, impeller assembly, base and PCB components, it is described it is upper lid and it is described under
Cover latch formula is connected and is mutually communicated, and the upper lid is provided with water inlet, and the lower cover is provided with delivery port, the impeller assembly
The inside of the upper lid is may be contained within the base, the impeller assembly connects with the base engagement, the PCB components bag
Connector, pcb board and Hall element are included, the connector is arranged at the side ports of the upper lid, and the pcb board is welded in described
Connector, the Hall element weld with the pcb board.
The utility model flow sensor is using Hall element as core parts, by gathering Hall frequency, according to frequency with
Water proportionate relationship so calculate out of pipeline by water how much, meet board water demand, reach accurate control water effect.Separately
Outside, upper lid is connected with lower cover using fastening type structure, easy to assembly quick.Hall element welds with pcb board, and pcb board is with being connected
Device is welded, and connector is fixed on to the side ports of upper lid by using epoxy resin or other packing materials, isolated sensing,
The water inlet short circuit of PCB components is avoided, is disturbed so as to reduce and abnormal situation occurs.
In use, the utility model is accessed into inlet channel, when current flow ipe, current are flowed into by water inlet and band
Movable impeller component rotates, and when impeller assembly rotates, by Hall element reception signal, the utility model output height electricity frequency is believed
Number, board mainboard gathers frequency of the present utility model, and it is more that equipment mainboard passing ratio relationship analysis converses outflow water flow of pipeline
It is few, and then it is precisely controlled equipment outflow water.
One kind as flow sensor described in the utility model is improved, one end that the lower cover connects with the top cap
Set fluted, the groove is equipped with sealing ring.In the presence of sealing ring, waterproof effect gets a promotion, can also be true
Protect high and low water pressure condition ne-leakage phenomenon.
As flow sensor described in the utility model one kind improve, the impeller assembly include impeller, draw point and
Magnet, the impeller include hollow bulb and some blades located at the hollow bulb outer ring, and the draw point is inserted in described hollow
Portion, the magnet are embedded in some blades.Magnet is assembled with impeller using inline mode, and impeller weight is balanced, is turned
Dynamic frequency is fast, also can impeller rotation compared with weep amount.
One kind as flow sensor described in the utility model is improved, and the external diameter of the impeller is less than the upper lid
Internal diameter.Low discharge frequency needs can be met by being arranged such.
One kind as flow sensor described in the utility model is improved, some blades be disposed as it is rotary and
Direction of rotation is identical.Blade is arranged to rotary, and the angled expansion of water (flow) direction, current by when can effectively ensure that impeller revolves
Become a full member often.
One kind as flow sensor described in the utility model is improved, and the both ends of the draw point are respectively arranged with point
Head.
One kind as flow sensor described in the utility model is improved, and the side of the base is provided with and the point
The depressed part that head matches.Draw point is coordinated with base engagement using cusp formula, is made impeller and base contacts area small, can be led automatically
It is placed in the middle to impeller location, accurate positioning, rotate smooth.
The beneficial effects of the utility model are：The utility model provides a kind of flow sensor, including upper lid, lower cover,
Impeller assembly, base and PCB components, the upper lid are connected and are mutually communicated with the lower cover buckle-type, and the upper lid is provided with
Water inlet, the lower cover are provided with delivery port, and the impeller assembly and the base may be contained within the inside of the upper lid, described
Impeller assembly is connected with the base engagement, and the PCB components include connector, pcb board and Hall element, and the connector is set
The side ports of the upper lid are placed in, the pcb board is welded in the connector, and the Hall element welds with the pcb board.Phase
Than in prior art, the utility model has high accuracy and good water proofing property, can fine adjustment, and reduce and be disturbed and send out
Raw abnormal phenomenon.
Brief description of the drawings
Fig. 1 is stereogram of the present utility model.
Fig. 2 is sectional view of the present utility model.
Fig. 3 is the structural representation of upper lid in the utility model.
Fig. 4 is the structural representation of lower cover in the utility model.
Fig. 5 is the structural representation of impeller assembly in the utility model.
Fig. 6 is the structural representation of the utility model in the base.
Fig. 7 is the structural representation of connector in the utility model.
Fig. 8 is the structural representation of pcb board in the utility model.
Fig. 9 is the structural representation of Hall element in the utility model.
Wherein：Covered on 1-, 2- lower covers, 3- impeller assemblies, 4- bases, 5-PCB components, 6- sealing rings, 10- water inlets, 11-
Side ports, 20- delivery ports, 21- grooves, 31- impellers, 32- draw points, 33- magnet, 41- depressed parts, 51- connectors, 52-PCB
Plate, 53- Hall elements, 321- tips.
Embodiment
With reference to embodiment and Figure of description, the utility model is described in further detail, but this
The embodiment of utility model is not limited to this.
With reference to figure 1 ~ 9, a kind of flow sensor, including upper lid 1, lower cover 2, impeller assembly 3, base 4 and PCB components 5, on
Lid 1 is connected and is mutually communicated with the buckle-type of lower cover 2, and upper lid 1 is provided with water inlet 10, and lower cover 2 is provided with delivery port 20, impeller sets
Part 3 and base 4 may be contained within the inside of lid 1, and impeller assembly 3 and base 4 are connected, PCB components 5 include connector 51,
Pcb board 52 and Hall element 53, connector 51 are arranged at the side ports 11 of lid 1, and pcb board 52 is welded in connector 51, Hall
Element 53 welds with pcb board 52.
Further, one end that lower cover 2 is connected with upper lid 1 sets fluted 21, and groove 21 is equipped with sealing ring 6.
In the presence of sealing ring 6, waterproof effect gets a promotion, and also can ensure that high and low water pressure condition ne-leakage phenomenon.
Further, impeller assembly 3 includes impeller 31, draw point 32 and magnet 33, during impeller 31 includes hollow bulb and is located at
Some blades of empty portion outer ring, draw point 32 are inserted in hollow bulb, and magnet 33 is embedded in some blades.Magnet 33 uses with impeller 31
Inline mode is assembled, and the balanced weight of impeller 31, rotational frequency is fast, compared with weep amount also can impeller 31 rotate.
Further, the external diameter of impeller 31 is less than the internal diameter of upper lid 1.
Further, it is identical to be disposed as rotary and direction of rotation for some blades.Blade is arranged to rotary, with current
The angled expansion in direction, current by when can effectively ensure that impeller 31 rotates normally.
Further, the both ends of draw point 32 are respectively arranged with tip 321.The side of base 4 is provided with and the phase of tip 321
The depressed part 41 matched somebody with somebody.Draw point 32 is coordinated with base 4 and coordinated using cusp formula, makes impeller 31 and the contact area of base 4 small, can be automatic
The position of guide vane wheel 31 is placed in the middle, accurate positioning, rotates smooth.
In use, the utility model is accessed into inlet channel, when current flow ipe, current are flowed into simultaneously by water inlet 10
Impeller component 3 rotates, and when impeller assembly 3 rotates, passes through the reception signal of Hall element 53, the utility model output height electricity
Frequency signal, board mainboard gather frequency of the present utility model, and equipment mainboard passing ratio relationship analysis converses outflow pipeline water
How much is amount, and then is precisely controlled equipment outflow water.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying is changed and changed.Therefore, the utility model is not limited to above-mentioned embodiment, every this area skill
It is new that art personnel any conspicuously improved, replacement or modification made on the basis of the utility model belong to this practicality
The protection domain of type.In addition, although used some specific terms in this specification, but these terms are intended merely to conveniently say
It is bright, any restrictions are not formed to the utility model.
Claims (7)
- A kind of 1. flow sensor, it is characterised in that：Including upper lid, lower cover, impeller assembly, base and PCB components, the upper lid Connect and be mutually communicated with the lower cover buckle-type, the upper lid is provided with water inlet, and the lower cover is provided with delivery port, described Impeller assembly and the base may be contained within the inside of the upper lid, and the impeller assembly connects with the base engagement, described PCB components include connector, pcb board and Hall element, and the connector is arranged at the side ports of the upper lid, the pcb board The connector is welded in, the Hall element welds with the pcb board.
- 2. flow sensor according to claim 1, it is characterised in that：One end that the lower cover connects with the top cap is set Groove is equipped with, the groove is equipped with sealing ring.
- 3. flow sensor according to claim 1, it is characterised in that：The impeller assembly includes impeller, draw point and magnetic Iron, the impeller include hollow bulb and some blades located at the hollow bulb outer ring, and the draw point is inserted in the hollow bulb, The magnet is embedded in some blades.
- 4. flow sensor according to claim 3, it is characterised in that：The external diameter of the impeller is less than the interior of the upper lid Footpath.
- 5. flow sensor according to claim 3, it is characterised in that：Some blades are disposed as rotary and revolved It is identical to turn direction.
- 6. flow sensor according to claim 3, it is characterised in that：The both ends of the draw point are respectively arranged with tip.
- 7. flow sensor according to claim 6, it is characterised in that：The side of the base is provided with and the tip The depressed part to match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004712.6U CN207066521U (en) | 2017-08-11 | 2017-08-11 | A kind of flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004712.6U CN207066521U (en) | 2017-08-11 | 2017-08-11 | A kind of flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207066521U true CN207066521U (en) | 2018-03-02 |
Family
ID=61520524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721004712.6U Active CN207066521U (en) | 2017-08-11 | 2017-08-11 | A kind of flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207066521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823299A (en) * | 2019-11-19 | 2020-02-21 | 重庆大学 | Novel impeller electromagnetic flowmeter |
-
2017
- 2017-08-11 CN CN201721004712.6U patent/CN207066521U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823299A (en) * | 2019-11-19 | 2020-02-21 | 重庆大学 | Novel impeller electromagnetic flowmeter |
| CN110823299B (en) * | 2019-11-19 | 2020-09-22 | 重庆大学 | Novel impeller electromagnetic flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220811 Address after: Pingshan High-tech Industrial Incubation Park, Economic Development Zone, Tongcheng County, Xianning City, Hubei Province 437000 Patentee after: Hubei Yilun Technology Co.,Ltd. Address before: No. 12, East Dayi Street, Shatou, Chang'an Town, Dongguan City, Guangdong Province, 523000 Patentee before: DONGGUAN ERLANG TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |