CN208254561U - A kind of water flow sensor and its rotor arrangement - Google Patents
A kind of water flow sensor and its rotor arrangement Download PDFInfo
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- CN208254561U CN208254561U CN201820848125.3U CN201820848125U CN208254561U CN 208254561 U CN208254561 U CN 208254561U CN 201820848125 U CN201820848125 U CN 201820848125U CN 208254561 U CN208254561 U CN 208254561U
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Abstract
The utility model discloses a kind of water flow sensor and its rotor arrangements, the rotor arrangement includes mounting cylinder and water flow rotor component, and its both ends offers inlet and outlet respectively, water flow rotor component is set in mounting cylinder, the end face that mounting cylinder is located at water inlet offers the first sliding groove of the one end for plugging water flow rotor component, the periphery of first sliding groove is equipped with the first intake tunnel, first intake tunnel is connected to water inlet, and the shaft of the central axis of the first intake tunnel and water flow rotor component is arranged in an angle.The utility model has the following beneficial effects: can be required according to different gas-fired equipments, change the direction of the first intake tunnel of mounting cylinder, water flow is with the blade of different angle impact water flow rotor component, and to realize the adjusting to the detection accuracy of water flow sensor, structure is versatile.
Description
Technical field
The utility model relates to a kind of water flow sensor and its rotor arrangements.
Background technique
In gas-fired equipment, need that water flow sensor is arranged in water inlet end, to be monitored in real time and be fed back to water flow,
To adjust accordingly the ratio of combustion gas and oxygen in combustion process according to water flow.Existing water flow sensor includes installation
Cylinder sets magnet rotor in the inner, the Hall sensor outside it, and mounting cylinder both ends offer water inlet and water outlet respectively
Mouthful, impact is on magnet rotor from after water inlet inflow for water flow, so that magnet rotor be driven to rotate, and then before making water flow spiral
Into, it being flowed out from water outlet, different water flows makes the velocity of rotation of magnet rotor change, thus the changes of magnetic field of surrounding,
The variation of Hall sensor induced magnetic field, and changed and be converted to signal output, so as to be monitored to water flow.
The water inlet of traditional water flow sensor and the shaft of magnet rotor are arranged in parallel, water flow and output pulse
Functional relation remains unchanged, and remains unchanged the detection accuracy of water flow；And in different gas-fired equipments, it usually needs water
The requirement of flow detection precision is different, and the required precision as required by wall-hung boiler is higher than gas heater, it is therefore desirable to design one
Kind water flow sensor, can satisfy the requirement of different gas-fired equipments.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of water flow sensor and its rotor dress are provided
It sets, can satisfy different gas-fired equipments.
To achieve the goals above, the utility model provides a kind of rotor arrangement for water flow sensor, including peace
Fitted tube and water flow rotor component, the mounting cylinder is hollow form, and its both ends offers inlet and outlet, the water respectively
The sub-component that circulates is set in the mounting cylinder, and the end face that the mounting cylinder is located at the water inlet is offered for plugging the water
The first sliding groove of the one end of circulation sub-component, the periphery of the first sliding groove are equipped with the first intake tunnel, first water inlet
Channel is connected to the water inlet, and the shaft of the central axis of first intake tunnel and the water flow rotor component is in a folder
Angle setting.
Preferably, the second intake tunnel, institute are also provided between first intake tunnel and the water inlet
It states the second intake tunnel to be connected to the water inlet, first intake tunnel, second intake tunnel is parallel to described
Water flow rotor component.
Preferably, the rotor arrangement further includes current stabilization core, and the current stabilization core is installed on the mounting cylinder and is located at
One end of the water inlet, and be connected to the water inlet；Go out described in alternatively, the current stabilization core is installed on the mounting cylinder
The one end at the mouth of a river, and be connected to the water outlet.
Preferably, the current stabilization core is installed on one end that the mounting cylinder is located at the water outlet, the current stabilization
Second sliding slot is offered on core, one end of the water flow rotor component is inserted in the first sliding groove, and the other end is inserted in institute
It states in second sliding slot.
Preferably, the current stabilization core includes: end cap, core, sealing ring, and the core is vertically installed in the end
The inner face of lid, the end cap circumferentially offer the first apopore along the core, and the end cap is connect with the mounting cylinder, institute
It states core to be arranged in the water outlet, the sealing ring is sheathed on the core, and the lateral wall of the sealing ring abuts
The inner sidewall of the mounting cylinder is equipped with gap, the gap between the inner sidewall of the sealing ring and the lateral wall of the core
It is connected to the water outlet, first apopore, the second sliding slot is opened on the core.
Preferably, the mounting cylinder is equipped with step along the periphery of the water outlet, and the sealing ring is set to described
In step, the both ends of the surface of the sealing ring are connected to the inner face of the end cap and the bottom wall of the step respectively.
Preferably, the rotor arrangement further includes mounting base, and the mounting base is installed on the mounting cylinder and is located at
One end of the water outlet, third sliding slot is offered in the mounting base, and one end of the water flow rotor component is inserted in described
In first sliding groove, the other end is inserted in the third sliding slot, and be connected to the water outlet is offered in the mounting base
Two apopores.
Preferably, the water flow rotor component includes: vane rotor, magnetic rings, rotor case,
Several blades are provided on the vane rotor, and one end of the vane rotor is inserted in the first sliding groove
Interior, the magnetic rings are fixedly set in the lateral wall of the vane rotor, and the rotor case fixing sleeve is loaded on the magnetic rings
Lateral wall.
Preferably, the mounting cylinder is located at the inwardly protruding formation lug boss in end face of the water inlet, it is described into
The mouth of a river, the first sliding groove, first intake tunnel are opened on the lug boss, the lateral wall of the lug boss and institute
State between the inner sidewall of mounting cylinder periphery that there are water spaces.
Same purpose, the utility model also provide a kind of water flow sensor, including rotor described in any of the above embodiments
Device, the outside of rotor arrangement position corresponding with the water flow rotor component are equipped with Hall sensor.
The utility model provides a kind of water flow sensor and its rotor arrangement, and rotor arrangement includes mounting cylinder and can be rotated
The water flow rotor component being installed in mounting cylinder, it is logical that the inlet end of mounting cylinder is also provided with the first water inlet being connected to water inlet
Road, the central axis of the first intake tunnel and the shaft of water flow rotor component are arranged in an angle, can be sensed according to the water flow
Different angles is arranged in the gas-fired equipment difference of device application, and by the size of change angle, the direction that water flow flows into can be changed, from
And change water flow to the driving force of the blade in water flow rotor component, to change water flow and export the functional relation of pulse, most
The change to water flow detection accuracy is realized eventually.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of rotor arrangement for water flow sensor of the utility model embodiment one；
Fig. 2 is the cross-sectional view of the mounting cylinder in Fig. 1；
Fig. 3 is a kind of cross-sectional view of rotor arrangement for water flow sensor of the utility model two；
Fig. 4 is the perspective view of the explosion of Fig. 3；
In figure, 10, mounting cylinder；11, water inlet；12, water outlet；13, first sliding groove；14, the first intake tunnel；15,
Two intake tunnels；16, step；17, lug boss；18, water space；20, water flow rotor component；21, vane rotor；22, magnetic
Ring；23, rotor case；30, current stabilization core；31, second sliding slot；32, end cap；321, the first apopore；33, core；34, sealing ring；
40, mounting base；41, third sliding slot；42, the second apopore.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these
Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this
In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
Embodiment one:
Refering to shown in attached drawing 1,2, the present embodiment provides a kind of rotor arrangements for water flow sensor comprising installation
Cylinder 10 and water flow rotor component 20, the mounting cylinder 10 is hollow form, and its both ends offers water inlet 11 and water outlet respectively
12, the water flow rotor component 20 is set in the mounting cylinder 10, and the end face that the mounting cylinder 10 is located at the water inlet 11 is opened
First sliding groove 13 equipped with the one end for plugging the water flow rotor component 20, the periphery of the first sliding groove 13 are equipped with the
One intake tunnel 14, first intake tunnel 14 are connected to the water inlet 11, and the center of first intake tunnel 14
The shaft of axis and the water flow rotor component 20 is arranged in an angle.
Based on the above-mentioned technical proposal, a kind of rotor arrangement is provided in the present embodiment, water flow is flowed into from water inlet 11, from first
Intake tunnel 14 sprays, and rotates water flow rotor component 20 to impact water flow rotor component 20, water flow rotor component 20 rotates band
Water flow spiral flow forward therein is moved, then is flowed out from water outlet 12,20 band of water flow rotor component is magnetic, with water flow
Change 20 rotation speed change of water flow rotor component, so that surrounding magnetic field be made to change, is set to the Hall sensor induction in outside
The signal of changes of magnetic field output-response water flow variation, is monitored water flow.
It is specific as shown in Fig. 2, the central axis of the first intake tunnel 14 in the present embodiment with water flow rotor component 20
Shaft is in α angle, when water flow sensor is applied on different gas-fired equipments, different α angles can be designed, to change water
The functional relation of flow and output pulse.For example, detecting essence according to the water flow to water flow sensor in gas heater
Degree requires, it is desirable that the functional relation of water flow and output pulse are as follows: f=8.1Q-3, and on wall-hung boiler, it is desirable that water flow with
Exporting the functional relation of pulse are as follows: f=13.5Q, wherein the f is output pulse (Hz), and the Q is water flow (L/Min),
I.e. when water flow changes delta Q is identical, it is desirable that output pulse Δ f it is different, wall-hung boiler is relative to gas heater to water flow
The detection accuracy of sensor requirements is higher；At this point, when using the rotor arrangement, water flow is can be changed in the value of regulated variable α angle
From the first intake tunnel 14 spray backlash strike waters circulate sub-component 20 blade direction, thus change water flow driving water flow rotor
The driving force that component 20 rotates can adjust the inspection of water flow sensor to change water flow and export the functional relation of pulse
Precision is surveyed, the versatility of application of the mutually isostructural water flow sensor for different gas-fired equipments is increased.
Specifically, first intake tunnel 14 in the present embodiment and be also provided between the water inlet 11 second into
Aquaporin 15, second intake tunnel 15 are connected to the water inlet 11, first intake tunnel 14, described second into
Aquaporin 15 is parallel to the water flow rotor component 20.Water flow from water inlet 11 flow into, and successively by the second intake tunnel 15,
In the injection to the blade of water flow rotor component 20 of first intake tunnel 14, to drive the water flow rotor component 20 to rotate.
In the present embodiment, in order to make water flow keep stable state, the rotor arrangement further includes current stabilization core 30, described steady
Stream core 30 is installed on one end that the mounting cylinder 10 is located at the water inlet 11, and is connected to the water inlet 11；Alternatively, described
Current stabilization core 30 is installed on one end that the mounting cylinder 10 is located at the water outlet 12, and is connected to the water outlet 12.
In order to optimize steady flow result, refering to shown in attached drawing 1, the current stabilization core 30 is installed on the mounting cylinder 10 positioned at described
One end of water outlet 12 offers second sliding slot 31 on the current stabilization core 30, and one end of the water flow rotor component 20 is inserted in
In the first sliding groove 13, the other end is inserted in the second sliding slot 31.
Specifically, the current stabilization core 30 in the present embodiment includes: end cap 32, core 33, sealing ring 34, the core 33
It is vertically installed in the inner face of the end cap 32, the end cap 32 circumferentially offers the first apopore 321, institute along the core 33
It states end cap 32 to connect with the mounting cylinder 10, the core 33 is arranged in the water outlet 12, and the sealing ring 34 is sheathed on
On the core 33, and the lateral wall of the sealing ring 34 abuts the inner sidewall of the mounting cylinder 10, the sealing ring 34 it is interior
Gap, the gap and the water outlet 12, first apopore 321 are equipped between side wall and the lateral wall of the core 33
It is connected to, the second sliding slot 31 is opened on the core 33.Illustratively, the water flow rotor component 20 slideably covers
In the second sliding slot 31.
Based on the above-mentioned technical proposal, the sealing ring 34 be sheathed on core 33 lateral wall and mounting cylinder 10 inner sidewall it
Between, water flow is flowed out from the first apopore 321, is made by the gap between sealing ring 34 and core 33 due to the variation of water pressure
Sealing ring 34 is different along the degree of the compressed distortion that water (flow) direction occurs, and then the size in the gap is made to change, to produce
Raw current stabilization effect, finally flows out from the first apopore 321.Illustratively, it is round that the sealing ring 34 in the present embodiment, which is section,
O-ring seal, when water pressure is bigger, O-ring seal is compressed bigger along water (flow) direction, so that cross sectional shape is become ellipse, from
And the gap between O-ring seal and core 33 is made to become smaller.
Specifically, the mounting cylinder 10 in the present embodiment offers step 16 along the periphery of the water outlet 12, described
Sealing ring 34 is set in the step 16, and the both ends of the surface of the sealing ring 34 are connected to inner face and the institute of the end cap 32 respectively
The bottom wall of step 16 is stated, blocks the sealing ring 34 securely.
In the present embodiment, it is preferable that the water flow rotor component 20 includes: vane rotor 21, magnetic rings 22, rotor case
23, several blades are provided on the vane rotor 21, and at least one end of the vane rotor 21 is plugged in the mounting cylinder
10 end, the magnetic rings 22 are fixedly set in the lateral wall of the vane rotor 21, and 23 fixing sleeve of rotor case is loaded on
The lateral wall of the magnetic rings 22.The magnetic rings 22 are wrapped between vane rotor 21 and rotor case 23, are risen to magnetic rings 22
Protective effect is arrived, water flow will not directly impact in magnetic rings 22, significantly avoid the adherency of the impurity such as the iron filings in water flow
Cause component stuck or accuracy decline in magnetic rings 22, and vane rotor 21, magnetic rings 22,23 fixing assembling of rotor case are
One component, it is compact-sized.
Specifically, for water flow rotor component 20 described in firm installation, the mounting cylinder 10 is located at the water inlet 11
The inwardly protruding formation lug boss 17 in end face, the water inlet 11, the first sliding groove 13, first intake tunnel 14 open up
In on the lug boss 17.Illustratively, the shaft that second intake tunnel 15 is parallel to the flowing water rotor assembly 20 is set
It sets.
In the present embodiment, in order to make water flow smooth flow in mounting cylinder 10, the lateral wall of the lug boss 17 with it is described
There are water spaces 18 between the inner sidewall of 10 periphery of mounting cylinder.
Same purpose, the utility model also provide a kind of water flow sensor comprising as above described in any item turns
Sub-device, the outside of rotor arrangement position corresponding with the water flow rotor component 20 are equipped with Hall sensor.Because of packet
Rotor arrangement described above, therefore whole beneficial effects with above-mentioned rotor arrangement are included, does not do state one by one herein.
Embodiment two:
Refering to shown in attached drawing 3,4, the present embodiment provides a kind of rotor arrangements for water flow sensor, with embodiment one
Difference be: its not set current stabilization core, one end that the mounting cylinder 10 is located at the water outlet 12 are equipped with mounting base 40, institute
It states and offers third sliding slot 41 in mounting base 40, one end of the water flow rotor component 20 is inserted in the first sliding groove 13,
The other end is inserted in the third sliding slot 41, and the second water outlet being connected to the water outlet 12 is offered in the mounting base 40
Hole 42 can guarantee the firm installation of water flow rotor component 20.Illustratively, one end of the water flow rotor component 20 is slidably
It is sheathed in the third sliding slot 41.
Same purpose, the utility model also provide a kind of water flow sensor comprising rotor arrangement described above,
And the outside of rotor arrangement position corresponding with the water flow rotor component is equipped with Hall sensor.
Based on the above-mentioned technical proposal, the water flow of water flow sensor hits water flow rotor from the ejection backlash of the first intake tunnel 14
The blade of component 20, driving water flow rotor component 20 rotates, to drive water flow spiral flow forward, and from the second of mounting base 40
Apopore 42 flows out, and so that magnetic field is changed in 20 rotation process of water flow rotor component, so that Hall sensor output-response water
The signal of changes in flow rate, to be monitored in real time to water flow.Since the first intake tunnel 14 and water flow rotor component 20 are in α
Angle setting, and α is a variable, it can be by opening up different α angles, the function for changing water flow and exporting between pulse closes
System, to adjust the detection accuracy of water flow sensor.
To sum up, the utility model provides a kind of flow sensor and its rotor arrangement, have compared with the existing technology with
Down the utility model has the advantages that different angles can will be set as between the first intake tunnel 14 and the shaft of water flow rotor component 20, water flow
With the blade of different angle impact water flow rotor component, to adjust the detection accuracy of flow sensor.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (10)
1. a kind of rotor arrangement for water flow sensor, which is characterized in that including mounting cylinder (10) and water flow rotor component
(20),
The mounting cylinder (10) is hollow form, and its both ends offers water inlet (11) and water outlet (12), the water flow respectively
Rotor assembly (20) is set in the mounting cylinder (10), and the end face that the mounting cylinder (10) is located at the water inlet (11) offers
For plugging the first sliding groove (13) of the one end of the water flow rotor component (20), the periphery of the first sliding groove (13) is equipped with
First intake tunnel (14), first intake tunnel (14) is connected to the water inlet (11), and first intake tunnel
(14) shaft of central axis and the water flow rotor component (20) is arranged in an angle.
2. rotor arrangement as described in claim 1, which is characterized in that first intake tunnel (14) and the water inlet
(11) it is also provided between the second intake tunnel (15), second intake tunnel (15) and the water inlet (11), described the
One intake tunnel (14) is connected to, and second intake tunnel (15) is parallel to the water flow rotor component (20).
3. rotor arrangement as described in claim 1, which is characterized in that it further include current stabilization core (30), current stabilization core (30) peace
It is located at one end of the water inlet (11) loaded on the mounting cylinder (10), and is connected to the water inlet (11)；
Alternatively, the current stabilization core (30) is installed on one end that the mounting cylinder (10) are located at the water outlet (12), and with it is described
Water outlet (12) connection.
4. rotor arrangement as claimed in claim 3, which is characterized in that the current stabilization core (30) is installed on the mounting cylinder (10)
Positioned at one end of the water outlet (12), second sliding slot (31) are offered on the current stabilization core (30),
One end of the water flow rotor component (20) is inserted in the first sliding groove (13), and it is sliding that the other end is inserted in described second
In slot (31).
5. rotor arrangement as claimed in claim 4, which is characterized in that the current stabilization core (30) includes: end cap (32), core
(33), sealing ring (34), the core (33) are vertically installed in the inner face of the end cap (32), and the end cap (32) is along described
Core (33) circumferentially offers the first apopore (321), and the end cap (32) connect with the mounting cylinder (10), the core
(33) it is arranged in the water outlet (12), the sealing ring (34) is sheathed on the core (33), and the sealing ring
(34) lateral wall abuts the inner sidewall of the mounting cylinder (10), inner sidewall and the core (33) of the sealing ring (34)
Gap is equipped between lateral wall, the gap is connected to the water outlet (12), first apopore (321),
The second sliding slot (31) is opened on the core (33).
6. rotor arrangement as claimed in claim 5, which is characterized in that the mounting cylinder (10) is along the outer of the water outlet (12)
Week is equipped with step (16), and the sealing ring (34) is set in the step (16), and the both ends of the surface of the sealing ring (34) are supported respectively
It is connected to the inner face of the end cap (32) and the bottom wall of the step (16).
7. rotor arrangement as described in claim 1, which is characterized in that it further include mounting base (40), mounting base (40) peace
It is located at one end of the water outlet (12) loaded on the mounting cylinder (10), offers third sliding slot on the mounting base (40)
(41), one end of the water flow rotor component (20) is inserted in the first sliding groove (13), and the other end is inserted in described the
In three sliding slots (41), the second apopore (42) being connected to the water outlet (12) is offered on the mounting base (40).
8. such as rotor arrangement of any of claims 1-7, which is characterized in that water flow rotor component (20) packet
It includes: vane rotor (21), magnetic rings (22), rotor case (23),
Several blades are provided on the vane rotor (21), and one end of the vane rotor (21) is inserted in described first and slides
In slot (13), the magnetic rings (22) are fixedly set in the lateral wall of the vane rotor (21), and the rotor case (23) is fixed
It is set in the lateral wall of the magnetic rings (22).
9. rotor arrangement as claimed in claim 8, which is characterized in that the mounting cylinder (10) is located at the water inlet (11)
The inwardly protruding formation lug boss (17) in end face, the water inlet (11), the first sliding groove (13), first intake tunnel
(14) it is opened on the lug boss (17), the lateral wall of the lug boss (17) and the inside of the mounting cylinder (10) periphery
There are water space (18) between wall.
10. a kind of water flow sensor, which is characterized in that including rotor arrangement as claimed in any one of claims 1-9 wherein, institute
The outside position corresponding with water flow rotor component (20) for stating rotor arrangement is equipped with Hall sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820848125.3U CN208254561U (en) | 2018-06-01 | 2018-06-01 | A kind of water flow sensor and its rotor arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820848125.3U CN208254561U (en) | 2018-06-01 | 2018-06-01 | A kind of water flow sensor and its rotor arrangement |
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| Publication Number | Publication Date |
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| CN208254561U true CN208254561U (en) | 2018-12-18 |
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ID=64652196
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820848125.3U Active CN208254561U (en) | 2018-06-01 | 2018-06-01 | A kind of water flow sensor and its rotor arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176132A (en) * | 2021-04-20 | 2021-07-27 | 苏州卡美利多仪器有限公司 | Steady flow structure and total organic carbon sampling device for analysis appearance |
-
2018
- 2018-06-01 CN CN201820848125.3U patent/CN208254561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176132A (en) * | 2021-04-20 | 2021-07-27 | 苏州卡美利多仪器有限公司 | Steady flow structure and total organic carbon sampling device for analysis appearance |
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