CN201589628U - Axial rotor type water flow sensing unit - Google Patents
Axial rotor type water flow sensing unit Download PDFInfo
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- CN201589628U CN201589628U CN2009202957360U CN200920295736U CN201589628U CN 201589628 U CN201589628 U CN 201589628U CN 2009202957360 U CN2009202957360 U CN 2009202957360U CN 200920295736 U CN200920295736 U CN 200920295736U CN 201589628 U CN201589628 U CN 201589628U
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- water flow
- switch housing
- turbine
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Abstract
The utility model discloses an axial rotor type water flow sensing unit, which comprises a valve body, a turbine switch housing, a switch cover, and a Hall sensor, wherein the turbine switch housing and the switch cover are arranged in the valve body and placed at the water inlet end of the valve body, the two ends of a rotor are arranged on the turbine switch housing and the switch cover, and the Hall sensor is arranged outside the valve body and placed on one side of the rotor. The water flow sensing unit is characterized in that a brake hoop is arranged at the end part of the rotor, and a constant-current stabilizer is arranged at the water outlet end of the valve body. Because the brake hoop is arranged at the end part of the rotor, the rotor in high speed revolution can be quickly stopped to stop the impulse signal, so as to greatly improve the accuracy of delivering the information of the sensor, make a controller instantly cut off the air source, and further effectively reduce the phenomena that the water is cut off and the temperature rises; the constant-current stabilizer can ensure that a water heater gets in a thermostatic state quickly; and stainless-steel balls are arranged at the two ends of the rotor, so that the pick-up has the characteristics of long service life, and quick and reliable motor-reaction speed.
Description
Technical field
The utility model relates to a kind of water flow sensor, in particular for the axial rotor formula water flow sensor of gas heater.
Background technology
After the development of China's gas industry, particularly China joined WTO, emphasize that safe and reliable, energy savings is the top priority of combustion gas tool industry.The differential water valve of selecting for use in the combustion gas tool in the past starts the hydraulic pressure height, and high floor user need increase water pump could use water heater.Along with the non-ferrous metal day of China is becoming tight, the spurt in prices of copper.Differential water valve has consumed a large amount of copper forging, and cost is very high.In addition, some client adopts the turnover plate type water valve, though can reduce cost, easily produces the magnetization of incrustation scale or tongue tube and causes the water heater misoperation to produce shortcoming such as the dry combustion method combustion gas tool industry of decorporating gradually because the water quality of China is hard.Traditional differential and turnover plate type water valve is because the needs of complex structure, poor, the easy misoperation of versatility, the very difficult adaptation of startup hydraulic pressure height problems such as (hydraulic pressure 0.2MPa could start) China's national situation.For example: what patent 99225340 gas heater proportioning valves adopted is inserting pieces combined structure, each utmost point is to be inlaid in plastics the insides with the permanent magnetic sheet of high strength to stick with glue agent again and seal, and adopts the low-cost Hall element of homemade muting sensitivity (magnetic induction is greater than 120GS).Like this, thus impurity causes rotation imbalance and rotating speed to influence combustion gas tool performance slowly even can not work in the too strong planar water easily of the magnetic field intensity of rotor.
My company has just developed the Hall-type water flow sensor of suitable China's national situation in order to solve above-mentioned deficiency as far back as 1998.Divide from application principle, what application was more at present is axial rotor formula and tangential vane type water flow sensor two big classes basically: 1, tangential vane type: magnetic patch is fixed on the impeller, there are offset distance in water inlet center and impeller center, impeller was rotated when current tangentially fed, different magnetic poles conducting when the Hall element disconnects when leaving.2, axial rotor formula: the turbine switch housing is fixed, and magnet rotor is movable, when current when the turbine switch housing, it is movable to promote magnet rotor rotary permanent-magnet piece, different magnetic poles conducting during near Hall element disconnects when leaving.This two classes water flow sensor all is the rotating magnetic fields that detect different magnetic poles by the Hall effect principle, cutting magnetic line, produce the height impulse level and export to computer controller, judge the size that calculates discharge by controller again, realize the intellectuality control of functions such as constant temperature, timing, have simple in structure, versatility good, the low advantages such as (hydraulic pressure 0.01MPa can start) of startup hydraulic pressure.But when changing owing to intake pressure, current are stable inadequately, thereby influence the effect of fast constant temperature; In addition, the rotor of high speed rotating is because the cause of inertia, and when cutting off the water, rotor also will be rotated further, and controller can not cut off source of the gas immediately, thus the phenomenon of the temperature rise that occurs cutting off the water.
The utility model content
In order to overcome above-mentioned deficiency, not only have stabilized current characteristic and make the gas heater fast constant temperature thereby the utility model purpose is to provide a kind of, and can also accurately transmit the axial rotor formula water flow sensor of flowing water information.
To achieve these goals, the technical solution adopted in the utility model is: axial rotor formula water flow sensor, include valve body, turbine switch housing, switch cover, rotor, Hall element, turbine switch housing, switch cover are located in the valve body and are positioned at the water inlet end of valve body, the two ends of rotor are located on turbine switch housing, the switch cover, Hall element is located at outside the valve body and is positioned at a side of rotor, and it is characterized in that: the end of described rotor is provided with brake hoop; The water side of described valve body is provided with constant-current stabilizer.
Described constant-current stabilizer is to be made of current stabilization core, current stabilization O shape circle and current stabilization ring, and current stabilization O shape snare is also used the current stabilization loop mapping on the current stabilization core.
Be provided with stainless steel ball between the two ends of described rotor and turbine switch housing and the switch cover.
Described rotor is to adopt the good compound substance integral high-temperature of anticorrosive, anti-incrustation scale performance injection molded.
Described valve body is to be made by the PPS material.
The beneficial effects of the utility model: owing to be provided with brake hoop in the end of rotor, the rotor of high speed rotating is stopped fast,, improved the accuracy of sensor transmission information greatly with the stopping pulse signal, make controller cut off source of the gas immediately, thereby effectively reduce the phenomenon of the temperature rise of cutting off the water; Owing to established constant-current stabilizer, can guarantee the realization of water heater fast constant temperature; Because stainless steel ball has been established at the two ends of rotor, makes sensor have long service life, the rapid reliable characteristics of movement response.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1, be outside drawing of the present utility model;
Fig. 2 is an inner structure synoptic diagram shown in Figure 1.
Among the figure: 1, valve body; 2, turbine switch housing; 3, rotor; 4, switch cover; 5, Hall element; 6, brake hoop; 7, constant-current stabilizer; 8, current stabilization core; 9, current stabilization O shape circle; 10, current stabilization ring; 11, stainless steel ball.
Embodiment
As shown in Figure 1 and Figure 2, axial rotor formula water flow sensor, include valve body 1, turbine switch housing 2, switch cover 4, rotor 3, Hall element 5 that the PPS material is made, turbine switch housing 2, switch cover 4 are located in the valve body 1 and are positioned at the water inlet end of valve body 1, the two ends of rotor 3 are located on turbine switch housing 2, the switch cover 4, Hall element 5 is located at outside the valve body 1 and is positioned at a side of rotor 3, and it is characterized in that: the end of described rotor 3 is provided with brake hoop 6; The water side of described valve body 1 is provided with constant-current stabilizer 7.Described constant-current stabilizer 7 is to be made of current stabilization core 8, current stabilization O shape circle 9 and current stabilization ring 10, and current stabilization O shape circle 9 is enclosed within on the current stabilization core 8 and with current stabilization ring 10 and locatees.Be provided with stainless steel ball 11 between the two ends of described rotor 3 and turbine switch housing 2 and the switch cover 4.Rotor 3 is to adopt the good compound substance integral high-temperature of anticorrosive, anti-incrustation scale performance injection molded.
Of the present utility model also have a following characteristics: adopt the combined type design, select the current stabilization assembly of different model can satisfy the requirement of different capabilities water heater; Adopt split type configuration design, each parts all can conveniently be replaced, and makes things convenient for the client to prepare flexibly, greatly improves the versatility of product; Hall element adopts imported with original packaging, and it is wide to be suitable for voltage range, and voltage 4.5～24V is the energy action message all, and is highly sensitive, and magnetic field intensity all can magnetic induction less than 70GS. Detection range is wide, and discharge 1～30L/min all can reliably differentiate output signal, is suitable for the requirement of different capabilities different types of machines.
Claims (5)
1. axial rotor formula water flow sensor, include valve body (1), turbine switch housing (2), switch cover (4), rotor (3), Hall element (5), turbine switch housing (2), switch cover (4) are located in the valve body (1) and are positioned at the water inlet end of valve body (1), the two ends of rotor (3) are located on turbine switch housing (2), the switch cover (4), Hall element (5) is located at outside the valve body (1) and is positioned at a side of rotor (3), and it is characterized in that: the end of described rotor (3) is provided with brake hoop (6); The water side of described valve body (1) is provided with constant-current stabilizer (7).
2. axial rotor formula water flow sensor according to claim 1, it is characterized in that: described constant-current stabilizer (7) is to be made of current stabilization core (8), current stabilization O shape circle (9) and current stabilization ring (10), and current stabilization O shape circle (9) is enclosed within current stabilization core (8) and goes up and locate with current stabilization ring (10).
3. axial rotor formula water flow sensor according to claim 1 is characterized in that: be provided with stainless steel ball (11) between the two ends of described rotor (3) and turbine switch housing (2) and the switch cover (4).
4. axial rotor formula water flow sensor according to claim 1 is characterized in that: described rotor (3) is to adopt the good compound substance integral high-temperature of anticorrosive, anti-incrustation scale performance injection molded.
5. axial rotor formula water flow sensor according to claim 1 is characterized in that: described valve body is to be made by the PPS material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202957360U CN201589628U (en) | 2009-12-30 | 2009-12-30 | Axial rotor type water flow sensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202957360U CN201589628U (en) | 2009-12-30 | 2009-12-30 | Axial rotor type water flow sensing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201589628U true CN201589628U (en) | 2010-09-22 |
Family
ID=42749415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202957360U Expired - Fee Related CN201589628U (en) | 2009-12-30 | 2009-12-30 | Axial rotor type water flow sensing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201589628U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848902A (en) * | 2014-02-18 | 2015-08-19 | 伊利诺斯工具制品有限公司 | Water-carrying capacity sensing component, water-carrying capacity sensor and water heater installing with water-carrying capacity sensor |
| CN106052768A (en) * | 2016-08-04 | 2016-10-26 | 东莞市倍益清环保科技有限公司 | Flow meter for metering flow of water purifier |
| CN106969805A (en) * | 2016-01-13 | 2017-07-21 | 樱花卫厨（中国）股份有限公司 | Water-carrying capacity detector |
-
2009
- 2009-12-30 CN CN2009202957360U patent/CN201589628U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848902A (en) * | 2014-02-18 | 2015-08-19 | 伊利诺斯工具制品有限公司 | Water-carrying capacity sensing component, water-carrying capacity sensor and water heater installing with water-carrying capacity sensor |
| CN106969805A (en) * | 2016-01-13 | 2017-07-21 | 樱花卫厨（中国）股份有限公司 | Water-carrying capacity detector |
| CN106052768A (en) * | 2016-08-04 | 2016-10-26 | 东莞市倍益清环保科技有限公司 | Flow meter for metering flow of water purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20181230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |