CN206019733U - A kind of small-sized extendible water flow sensor - Google Patents
A kind of small-sized extendible water flow sensor Download PDFInfo
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- CN206019733U CN206019733U CN201621027383.2U CN201621027383U CN206019733U CN 206019733 U CN206019733 U CN 206019733U CN 201621027383 U CN201621027383 U CN 201621027383U CN 206019733 U CN206019733 U CN 206019733U
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- valve body
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Abstract
The utility model is related to a kind of small-sized extendible water flow sensor.Be difficult to change and keep in repair for sensor in prior art, complex procedures high cost, the defect that there is the risk for coming off.A kind of small-sized extendible water flow sensor is disclosed, by water inlet end, rotor assembly, Hall subassembly and water side composition；The form that water inlet valve body connector is docked with water outlet valve body connector is a kind of buckle docking structure；Rotor assembly is located at water inlet valve body connector and is docked in the pipe to be formed with water outlet valve body connector；In the pcb board insertion Hall fixing device of Hall subassembly, in the groove between the first gripping block and the second gripping block, boss in groove, is provided with, the groove that boss is provided with the side of pcb board is complementary.The utility model part is easily changed, easy to maintenance, compact conformation, effectively eliminate the risk that comes off.
Description
Technical field
The utility model is related to a kind of Hall flow sensor, more particularly to a kind of small-sized extendible discharge sensing
Device, can be used for the discharge Detection ＆ Controling of manager of filter element, Drinking fountain, water purifier, coffee machine, water dispenser etc..
Background technology
Not only pipe joint species is more for industry such flow sensor interior at present, and the requirement of different clients docking port and flow
Different.In order to meet different clients to multiple different interfaces or the needs of flow, the common practice of the industry, it is that exploitation is more
Money product, or the reply of external pipe joint, virtually increase product category, reduce the interchangeability and versatility of product,
While increased the complexity that maintenance is changed, production and the management cost of product is also add.
Additionally, Hall water flow sensor also has that Hall subassembly is caducous at present.Existing Hall subassembly is solid
Fixed, typically common have two kinds, and one kind is as an entirety, with drying in high temperature after epoxy sealing and make using Hall subassembly
For an entirety, then the entirety is assembled on flow sensor valve body, another is that Hall subassembly is directly fixed on biography
On sensor valve body and then again epoxy sealing is dried through high temperature again and is fixed.
Patent 201510808966.2, the Hall subassembly shown in following Figure 1A are fixed, and are exactly as one using Hall subassembly
Overall, with drying and as an entirety, then the entirety being assembled on flow sensor valve body after epoxy sealing.Its
Operating procedure is:First by Hall IC 58, lead 60 is each welded on pcb board 56, and plate is loaded accommodating case 74, Ran Houyong then
Epoxy sealing resin 76 is sealed, and is then dried again and is integrally formed.Then again the part entire card inbound traffics are passed
The catching portion 62 of sensor valve body 12 is blocked.Side when although the mode of operation solves Hall subassembly or failure answered by flow sensor
Just the problem that changes and keep in repair.Accommodating case 74 is the increase in but, so there is increase in operation and component costs.Other the method
There is the risk that Hall subassembly comes off.The method is that pcb board 56 is put in accommodating case 74, is subsequently entered with epoxy sealing resin 76
Row sealing, is then dried again and is integrally formed.In long-term work, as epoxy resin and accommodating case 74 are not of the same race
Material, receives the effect that thermal expansion can contract, and fixed and sealing can decline.When lead 60 receives the wind that pulling force just has generation to come off
Danger.
Hall subassembly is exactly directly fixed on sensing by patent 201510808966.2, Hall subassembly as shown in Figure 1B
Dried through high temperature with epoxy sealing again on device valve body and then again and fixed.Its operating procedure is:First by Hall IC
132, lead 138 is each welded on pcb board 130, and plate is loaded sensor valve body Hall element locating slot 102, Ran Houyong then
Epoxy sealing resin 136 is sealed, and is then carried out high temperature again and is dried and be integrally formed.Although the mode of operation reduces part
Quantity, but but Hall subassembly or flow sensor are just inconvenient to the problem changing and keep in repair when answering failure, and integrally can only report
Useless.In addition the method there is also the risk that Hall subassembly comes off.The method is that pcb board is loaded sensor valve body Hall element to determine
Position groove 102, is then sealed with epoxy sealing resin 136, is then carried out high temperature drying epoxy resin again and is fixed.Long-term
In work, as epoxy resin and flow sensor valve body 122 are not same materials, receive the effect that thermal expansion can contract, fixed and
Sealing can decline.When lead 60 receives the risk that pulling force just has generation to come off.
In sum, the technical scheme of existing Hall flow sensor has the following disadvantages：
The fixation of Hall subassembly, one is to be difficult to change and keep in repair, and two is complex procedures high cost, and three is the presence of the wind for coming off
Danger.
Utility model content
In order to solve the above-mentioned technological deficiency run in prior art, the utility model provides a kind of small-sized extendible
Water flow sensor, it is characterised in that by water inlet end, rotor assembly, Hall subassembly and water side composition；Wherein water inlet end is provided with
Water inlet valve body；Water side is provided with water outlet valve body connector,；Rotor assembly is made up of vortex generator, magnet rotor, flow guide sleeve；Suddenly
That component is made up of conductor part, Hall IC, pcb board, and Hall subassembly fixing device and water outlet valve body, and Hall subassembly is solid
Determine on device, have the first gripping block, the second gripping block, boss；The water inlet valve body nozzle belt is provided with into water valve body connector；Described
Water side includes water outlet valve body connector；One end that the water inlet valve body connector of described water inlet valve body one end is docked with left end water pipe, with
And the joint form that water outlet valve body connector is docked with right-hand member water pipe is straight connector, nipple, hangnail joint, in draw-in groove joint
Any one；The form that water inlet valve body connector is docked with water outlet valve body connector is a kind of buckle docking structure；Rotor assembly position
Dock in the pipe to be formed with water outlet valve body connector in water inlet valve body connector；In the pcb board insertion Hall fixing device of Hall subassembly,
It is located at the groove for being provided with groove in the groove between the first gripping block and the second gripping block that the side of boss, boss and pcb board is provided with
Complementary.
The utility model is had the following advantages relative to prior art and effect：
One end that the water inlet valve body connector of described water inlet valve body one end is docked with left end water pipe, and water outlet valve body connector and
Right-hand member water pipe docking joint form be straight connector, nipple, hangnail joint, any one in draw-in groove joint, so as to
The replacing of whole sensor can be achieved.The former epoxy resin of abandoning of Hall subassembly dries fixed form, now using straight
The mode that blocks into clamping or clamping+small boss is patched, compact conformation is difficult for drop-off, and can realize rotor assembly more
Change, so as to adapt to the needs of different flow by changing rotor assembly.Knot using Hall fixing device of the present utility model
The structure of the pcb board in structure and Hall subassembly, can neatly realize the replacing of Hall subassembly.
The utility model solves sensor in prior art very well and is difficult to change and keep in repair, complex procedures high cost, deposits
Defect in the risk for coming off.
Description of the drawings
Figure 1A is the relevant view in patent 201510808966.2.
Figure 1B is the relevant view in patent 201510808966.2.
Fig. 2 is the utility model critical piece disassembled view.
Fig. 3 is the possible several interface shape views of the utility model water-in and water-out valve body.
Fig. 4 is several identical interface shape views of water-in and water-out valve body.
Fig. 5 is the assembled view of the different interface shape of water-in and water-out valve body.
Fig. 6 is radial cross sectional view and fluctuating signal figure of the sensor in Hall fixing device position
Fig. 7 is the two kinds of rotor assembly views that enumerates.
Fig. 8 is the 3-D view of water inlet valve body and water outlet valve body docking location.
Fig. 9 is that Hall fixing device splits 3-D view.
Figure 10-1 is a kind of Novel clasp structure three-dimensional view.
Figure 10-2 is a kind of " U " type buckle 3-D view.
Specific embodiment
For the ease of understanding the utility model, the utility model will be made more in conjunction with Figure of description and preferred embodiment
Comprehensively, meticulously describe, but protection domain of the present utility model is not limited to embodiment in detail below.
As shown in figure 3, the water inlet valve body 11 of the product, decoration structure features simple design, valve body connector 11.1 of intaking, can carry spiral shell
The joint of line, or be replaced with the joint of hangnail, then or be replaced with the multiclass type joints such as joint with draw-in groove, therefore this sets
Meter can meet the different market joint demand of water inlet.The structure design principle of water outlet valve body 3 is with water inlet valve body 11, water outlet valve body
Joint 3.1 can be replaced into screwed joint by changing the mold insert up and down at the mould tube place of connecing, or be replaced with down
The joint of thorn, then or it is replaced with the polymorphic type interfaces such as joint with draw-in groove.
Water inlet valve body 11 and water outlet valve body 3 are coordinated by screwing in, and are extendable to the sensor of multiple interfaces type, are such as schemed
Straight pipe type shown in four -1, the screw-type shown in figure four -2, the hangnail type shown in figure four -3, shown in figure four -4 with the straight of draw-in groove
Cast；In addition interface type is further extended to the one head thread type of a straight pipe type as shown in figure five -1, shown in figure five -2
Head one hangnail type of straight pipe type, the straight pipe type of the one headband draw-in groove of a straight pipe type shown in figure five -3, shown in figure five -4
One head thread type of hangnail type, the one head thread type of straight pipe type of the headband draw-in groove shown in Fig. 5, the headband draw-in groove shown in figure five -6
One hangnail type joint fit system of straight pipe type.
The product belongs to Hall-type flow sensor, and its principle is the output of the variation as pulse signal of magnetic direction
(as shown in Figure 6), thus determining flow.Specially when current enter water inlet valve body 11 through water inlet end 1, produce through vortex
During device 21, current are vortexed generator 21 and are divided into multi-strand flow, and act on the blade of magnet rotor 22, therefore magnet rotor
22 just rotate, and the bigger magnet rotor 22 of current just rotates faster.Magnet rotor 22 is through being molded and rushing magnetic.N poles and S extremely into
To arranging, N poles and S poles interval setting on a circumference.When one N poles of magnet rotor blade turn over Hall IC 42, which senses
Device exports a high level, then when one S poles of magnet rotor blade turn over Hall IC 42, its sensor exports a low level,
A continuous pulse signal a is formed as circulation.The bigger frequency of sensor flow is higher as can be seen here, therefore pulse letter
Number frequency be directly proportional to the rotating speed of magnet rotor 22, and because the rotating speed of magnet rotor 22 is directly proportional to discharge, can pass through
The frequency of sensor output knows its flow.
The program provides a kind of method of fast changeable rotor assembly 2 as shown in Figure 7, Figure 8, is embodied as：To turn
Sub-component 2, is directly inserted in water outlet valve body rotor assembly positioning cavity, then loads onto water inlet end 1, and the end with water inlet valve body 11
Face pressure is tightened to the end face of the flow guide sleeve 23 of rotor assembly 2. therefore when different flow is run into, it is possible to be convenient for changing rotor
Component 22.22 points of magnet rotor two kinds of short helical blade 22a and elongated helical blade 22b.
As from the foregoing water inlet valve body 11 and water outlet valve body 3 cooperation, be realize various terminal flow extension basic, in line with
Product complexity and the principle that can be convenient for changing are not increased, the part is designed as：Water inlet end 1 by water inlet valve body 11, the
One O-ring 12 and the second O-ring 13 are constituted.First O-ring 12 loads the second locating slot 11.4, and the second O-ring 13 loads first
Locating slot 11.3, is provided with least one rotation fixing terminal 11.5 on water inlet valve body 11.Water outlet valve body 3 is designed with least one
" 7 " shape for snapping in water inlet end 1 is oriented to fixing groove 3.4, and the opening side of " 7 " shape guiding design of fixing groove 3.4 of water outlet valve body 3 is put down
In water (flow) direction, its purpose ensures that " 7 " shape of water outlet valve body 3 is oriented to 3.4 opening direction of fixing groove and other demoulding sides of mould to row
To consistent, so as to reduce the difficulty of mould, and reduces cost.
As shown in figure 9, what the Hall fixing device 3.2 and water outlet valve body were integrated, and the fixing device 3.2 be provided with convex
Platform 3.2b.Preferably, pcb board 43 is provided with groove, for the cooperation with boss 3.2b, to reduce the wind that Hall subassembly 4 comes off
Danger.Therefore the program not only reduces number of components, and operation is simple.As long as its operation is inserted Hall Hall subassembly 4 and is fixed
In device 3.2.If desired for disassembling or maintenance product, it is only necessary to take out from Hall fixing device 3.2, change and dimension
Repair conveniently.After the assembling and product test are qualified, then toward in Hall fixing device, damp-proof glue (such as silica gel) is added to protect
Hall element, operation are simple, and reduces cost.
It is not very harsh as run into withdrawal force requirement, may be omitted with fluted on pcb board, Hall subassembly fixing device
On have boss.The intensifying force of gripping block 3.2c and 3.2d is only relied on, if desired for taking-up Hall subassembly 4 directly with special pincers
Son is extracted.
Preferably, as shown in Figure 10-1, the buckle structure is by valve body 11 of intaking, the first O-ring 12 and the second O-ring 13
Composition, the first O-ring 12 load in the first O-ring locating slot 11.3, and the second O-ring 13 loads in the second O-ring locating slot
11.4,4 buckle A11.1 are provided with water inlet valve body 11, water outlet valve body 3 is designed with the gathering sill for snapping in water inlet end component 1
A3.1, and the positioning port A3.2 for coordinating with inclined-plane fixing terminal A11.1, specifically as shown in Figure 10-1.
Preferably, as shown in Figure 10-1, water inlet end 1 is made up of water inlet valve body 11, the first O-ring 12 and the second O-ring 13,
First O-ring 12 loads in the first O-ring locating slot 11.3, is provided with locating groove B11.1, water outlet valve body on valve body 11 of intaking
3 are designed with gathering sill B3.2, and the positioning port B3.1 for " U " type locator card B31 lockings, B31 are inserted from gathering sill B3.2
Enter, for filling up gathering sill B3.2, positioning port B3.1, locating groove B11.1, specifically as shown in Figure 10-2.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The restriction of embodiment, other any without departing from the change that is made under Spirit Essence of the present utility model and principle, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (10)
1. a kind of small-sized extendible water flow sensor, it is characterised in that by water inlet end, rotor assembly and go out Hall subassembly
Water end (W.E.) is constituted；Wherein water inlet end is provided with into water valve body；Water side is provided with water outlet valve body connector；
Rotor assembly is made up of vortex generator, magnet rotor, flow guide sleeve；
Hall subassembly is made up of conductor part, Hall IC, pcb board, and Hall subassembly fixing device and water outlet valve body, Hall
There are the first gripping block, the second gripping block, boss on component fixing device；
The water inlet valve body nozzle belt is provided with into water valve body connector；
The water side includes water outlet valve body connector；
One end that the water inlet valve body connector of described water inlet valve body one end is docked with left end water pipe, and water outlet valve body connector and right-hand member
The joint form of water pipe docking is straight connector, nipple, hangnail joint, any one in draw-in groove joint；
The form that the water inlet valve body connector is docked with water outlet valve body connector is a kind of buckle docking structure；
The rotor assembly is located at water inlet valve body connector and is docked in the pipe to be formed with water outlet valve body connector；
Groove in the pcb board insertion Hall fixing device of the Hall subassembly, between the first gripping block and the second gripping block
Interior, boss is provided with groove, the groove that boss is provided with the side of pcb board is complementary.
2. small-sized extendible water flow sensor according to claim 1, it is characterised in that：The water inlet valve body adapter
It is same joint that section has joint and water outlet valve body connector, be straight connector be nipple or be hangnail joint or
It is draw-in groove joint.
3. small-sized extendible water flow sensor according to claim 1, it is characterised in that：The water inlet valve body adapter
Section has joint different with the joint form of water outlet valve body connector, and two joints are straight connector, nipple, hangnail joint, draw-in groove
Any combination of joint.
4. the small-sized extendible water flow sensor according to any one of claim 1-3, it is characterised in that：The Hall
Fixing device is channel-shaped, the pcb board of Hall subassembly and Hall fixing device tight fit.
5. the small-sized extendible water flow sensor according to any one of claim 1-3, it is characterised in that：The PCB
Fluted on plate, boss is provided between first gripping block and the second gripping block of Hall subassembly fixing device.
6. small-sized extendible water flow sensor according to claim 1, it is characterised in that：The magnet rotor point is short
Two kinds of helical blade and elongated helical blade.
7. small-sized extendible water flow sensor according to claim 1, it is characterised in that：The buckle structure be into
By valve body of intaking, the first O-ring and the second O-ring are constituted water end (W.E.), and the first O-ring loads in the first O-ring locating slot, the 2nd O
Type circle loads in the second O-ring locating slot, is provided with 4 buckles on valve body of intaking, and water outlet valve body is designed with and snaps in water inlet end group
The gathering sill of part, and the positioning port for coordinating with inclined-plane fixing terminal.
8. small-sized extendible water flow sensor according to claim 7, it is characterised in that：Water inlet end is by water intaking valve
Body, the first O-ring and the second O-ring composition, the first O-ring loads to be provided with the first O-ring locating slot, water inlet valve body to be determined
Position draw-in groove, water outlet valve body are designed with gathering sill, and the positioning port for " U " type positioning card lock, and " U " type locator card is from guiding
Insert in groove, for filling up gathering sill, positioning port, locating groove.
9. small-sized extendible water flow sensor according to claim 7, it is characterised in that：The buckle structure includes
Up to the rotation fixing terminal of two, water outlet valve body up to lack " 7 " shape guiding fixing groove, the water inlet valve body of 2 to water inlet valve body less
First locating slot of upper and water outlet valve body connection end, the second locating slot, the first O-ring, the second O-ring.
10. small-sized extendible water flow sensor according to claim 9, it is characterised in that：On the water inlet valve body
Rotation fixing terminal quantity is identical with the fixed slot number amount of " 7 " shape guiding on water outlet valve body, is in 3 or 4 or 6
Kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027383.2U CN206019733U (en) | 2016-08-31 | 2016-08-31 | A kind of small-sized extendible water flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027383.2U CN206019733U (en) | 2016-08-31 | 2016-08-31 | A kind of small-sized extendible water flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019733U true CN206019733U (en) | 2017-03-15 |
Family
ID=58258028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621027383.2U Active CN206019733U (en) | 2016-08-31 | 2016-08-31 | A kind of small-sized extendible water flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206019733U (en) |
-
2016
- 2016-08-31 CN CN201621027383.2U patent/CN206019733U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |