CN104655196A - Flow detection module - Google Patents
Flow detection module Download PDFInfo
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- CN104655196A CN104655196A CN201310586876.4A CN201310586876A CN104655196A CN 104655196 A CN104655196 A CN 104655196A CN 201310586876 A CN201310586876 A CN 201310586876A CN 104655196 A CN104655196 A CN 104655196A
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- holder
- impeller
- angle
- current detecting
- detecting module
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Abstract
The invention relates to a flow detection module. The module comprises a tube, a diversion part, an impeller, a magnetic part and a magnetic sensor. The diversion part is combined with the tube and is adjacent to the position of an inlet, the impeller is arranged in the tube, the magnetic part is arranged on one blade of the impeller, and the magnetic sensor senses magnetic field changes of the magnetic part and sends a signal. The module has the advantages that by the aid of the diversion effect of the diversion part, the direction of flows flowing through fins of the diversion part is changed, and accordingly, the blades of the impeller bears most of flow component force, the defect of mistaken no water feeding determining of flow detection modules of prior water heaters when the flow is small and the flow speed is slow is overcome.
Description
Technical field
The present invention is relevant with the accessory of water heater; Refer to a kind of current detecting module especially.
Background technology
As everyone knows; general domestic water comes from oneself water tower or running water pipe; if with meeting water tower water shortage during water, or waterworks water supply at night decompression, often can cause water shortage; the water yield cannot be continued and stablize; cause supplying water intermittently, such water supply situation easily causes the anxiety of free burnings of water heater, and when shortcoming cold water effectively absorb water heater produce heat energy; hydraulic pipeline will be made to damage, or cause the problem of other safety in utilization.
As is known in the art, large more options install a current detecting module in the water system of water heater, whether flow state is in detect current, as shown in Figure 1, existing current detecting module 1 installs an impeller 3 at a body 2, current can drive this impeller 3 to rotate through this body 2, a detector 4 is coordinated to detect the rotation status of impeller 3 again, if when current are in good flow state, this wheel rotation is smooth and easy, and this detector 4 effectively records rotation signal, and the heating arrangement starting water heater is according to this to carry out the heating operation of water, so, known existing water heater current detecting module discharge low and with water velocity slow time, as shown in Figure 2, the thrust of flow action on impeller 3 is lower than when rotating the maximum static friction force of this impeller 3, this detector 4 is easily made cannot effectively to record rotation signal, and then cause these current detecting module to judge into not water inlet by accident, and fail to start in time heating arrangement, cause the water temperature flowed out from the water delivering orifice of this water heater on the low side, cause and use inconvenience and increase puzzlement on foot.
Summary of the invention
In view of this, object of the present invention is used for providing a kind of current to detect module, when the water flow velocity of water heater in water system can be made low, also correctly can provide information, make water heater correctly judge whether to start heating arrangement, make water heater reach safety and the effect of constant temperature.
Edge is to reach above-mentioned purpose, and current detecting module provided by the present invention comprises a body, a conducting element, an impeller, a magnetic part and a Magnetic Sensor.Wherein, this body has an entrance and an outlet, and definition has a central axis by this center, entry and exit and axially extends along this body; This conducting element is incorporated into this body and is positioned at this porch contiguous, this conducting element has one first holder and multiple fin, respectively this fin is between the tube wall and this first holder of this body, described fin arranges radially and is connected to this first holder, respectively this central shaft wire clamp one first angle of this fin and this body; This impeller is located at the inside of this body rotationally, and has a pin joint seat and be arranged in the multiple blades on this pin joint seat radially, respectively this central shaft wire clamp one second angle of this blade and this body; One magnetic part, is located on this blade of this impeller, and moves on a circular path along with the rotation of this impeller; This sensor can send a signal after the changes of magnetic field sensing the generation of this magnetic part.
Preferably, include a fastener, this fastener is incorporated into this body and is positioned at this exit contiguous, this fastener comprises one second holder and multiple rib, described rib is between the tube wall and this second holder of this body, and the pin joint seat of this impeller is articulated in this first holder, the second holder.
Preferably, the pin joint seat of this impeller includes the pedestal and a pivot that are connected, and described blade is linked to this pedestal, and this pivot one end is articulated in this first holder, this second holder of other end pivot joint.
Preferably, this first angle and this second angle are summed up between 80 degree ~ 100 degree.
Preferably, this first angle and this second angle are summed up is 90 degree.
Effect of the present invention is the water conservancy diversion effect through this conducting element, be a predetermined angular after making current flow through this fin of this conducting element, the blade of this impeller is made to bear most current component, flow action thrust is on the impeller vanes made to be greater than the maximum static friction force rotating this impeller, make this impeller more easily detect the flowing velocity of current, what make water heater control heating arrangement more accurately heats amplitude.
Accompanying drawing explanation
Fig. 1 is a stereographic map, discloses existing current detecting module.
Fig. 2 is an exploded view, discloses the action principle schematic diagram of existing current detecting module.
Fig. 3 is a stereographic map, discloses the current detecting module of present pre-ferred embodiments.
Fig. 4 is an exploded view, discloses the current detecting module of present pre-ferred embodiments.
Fig. 5 is a schematic diagram, discloses the angle schematic diagram of current of the present invention detecting module blade and central axis.
Fig. 6 is a schematic diagram, discloses the action principle schematic diagram of current of the present invention detecting module.
[symbol description]
100 current detecting modules
10 bodys
12 entrances 14 export
20 conducting elements
22 first holder 24 fins
30 fasteners
32 second holder 34 ribs
40 impellers
42 pin joint seat 44 blade 46 projections
50 magnetic parts
60 Magnetic Sensors
L central axis
L1 first standard lines
L2 second standard lines
W current
1 existing current detecting module
The body of 2 existing current detecting modules
The impeller of 3 existing current detecting modules
The detector of 4 existing current detecting modules
θ 1 first angle
θ 2 second angle
Embodiment
For can the present invention be illustrated more clearly in, hereby lift preferred embodiment and coordinate diagram to be described in detail as follows, shown in please refer to the drawing 3 to Fig. 6, for the current detecting module 100 of a preferred embodiment of the present invention, these current detecting module 100 is arranged in the water system of a water heater (not shown), be to provide a kind of current detecting function, it comprises body 10, conducting element 20, fastener 30, impeller 40, magnetic part 50 and a Magnetic Sensor 60.
This body 10 has an entrance 12 and and exports 14, allows water can flow into and flow out this body 10, and the definition of this body 10 has a central axis L by this entrance 10 and this outlet 14 center and axially extends along this body 10.
This conducting element 20 is incorporated into this body 10 and is positioned at this entrance 12 place, this conducting element 20 has one first holder 22 and multiple fin 24, respectively this fin 24 is between the tube wall and this first holder 22 of this body 10, and described fin 24 arranges radially, in this definition respectively this fin 24 there is one first standard lines L1 respectively, described first standard lines L1 extends arrangement and radially distinctly by the connecting part of fin 24 and this first holder 22 and this central axis L sandwiched one first angle theta 1 that is each and this body 10.In the present embodiment, this first holder 22 is formed in one with described fin 24.
This fastener 30 is incorporated into this body 10 and is positioned at this outlet 14 place, this fastener 30 comprises one second holder 32 and multiple rib 34, described rib 34 is between the tube wall and this second holder 32 of this body 10, and preferably, this second holder 32 is formed in one with described rib 34.
This impeller 40 has a pin joint seat 42 and multiple blade 44, wherein said blade 44 is arranged on this pin joint seat 42 radially, this pin joint seat two end protrudes formation two projection 46 respectively, this two projection 46 forms a pivot jointly, wherein this projection 46 is articulated in this first holder 22, another this this second holder 32 of projection 46 pivot joint, in other words, this two projection 46 is just positioned at this central axis L, makes this impeller 40 be located at the inside of this body 10 rotationally thus.Separately, respectively the definition of this blade 44 has one second standard lines L2, second standard lines L2 of described blade 44 also arranges radially, and respectively this second standard lines L2 extends through the connecting part of blade 44 and this pin joint seat 42 and this central axis L sandwiched one second angle theta 2 that is each and this body 10.What another was carried is, this impeller 40 can save the design of projection 46 structure, change to utilize an axle (not shown) directly to pass, and the two ends of this axle link with the first holder 22 and the second holder 32 respectively, the mode that this impeller 40 can be rotated relative to this axle makes, and it can make this impeller 40 smooth rotation equally.
On this this blade 44 of magnetic part 50 located therein, and move on a circular path along with the rotation of this impeller 40; It is outside that this Magnetic Sensor 60 is arranged at this body 10 in the present embodiment, and this Magnetic Sensor 60 senses the changes of magnetic field of this magnetic part 50 on this circular path and sends a signal, more particularly, this Magnetic Sensor 60 be this magnetic part 50 along circular path rotate one time time, soon send a sensor signal.
With reference to shown in Fig. 5, Fig. 6, this central axis L and this fin 24 press from both sides this second angle theta 2 of this first angle theta 1, this central axis L and this blade 44, in the present embodiment, this first angle theta 1 is all an acute angle with this second angle theta 2, and this first angle theta 1 and this second angle theta 2 are summed up between degree angle, 80 degree of angle ~ 100, and be wherein better with an angle of 90 degrees, thus, make these current W can clash into respectively this blade 44 with vertical direction; After current enter this body 10, current W enters respectively this blade 44 of this impeller 40 after changing its direction of advancing via each this fin 24 water conservancy diversion, as dotted line path shown in, the thrust of flow action on impeller 40 blade 44 is greater than and rotates the maximum static friction force of this impeller 40.
In the present embodiment, as shown in Figure 6, this first angle theta 1 and this second angle theta 2 are all acute angles, and this first angle theta 1 and this second angle theta 2 are summed up between degree angle, 80 degree of angle ~ 100, and are wherein better with an angle of 90 degrees.
Current flow through this body 10 and drive this impeller 40 to rotate, this Magnetic Sensor 60 be this magnetic part 50 along circular path rotate one time time, soon send a sensor signal S, wherein this water heater also includes control system 200 and a heating system 300, this signal S is connected to control system 200, draw flow rate of water flow through this control system 200 computing, and this control system C controls the Energy transmission of water heater 300.
In sum, current detecting module 100 of the present invention, is installed in the water supply installation of water heater, whether is in flow state to detect current; When feature of the present invention is that adjoint water velocity is slow when discharge is low, impeller 40 still correctly can detect its uninterrupted, and then makes the current of water heater reach default temperature, makes water heater reach safety and the effect of constant temperature.
The foregoing is only the better possible embodiments of the present invention, the equivalence that application instructions of the present invention and claim are done such as changes, and ought to be included in the scope of the claims of the present invention.
Claims (5)
1. a current detecting module, is characterized in that comprising:
One body, has an entrance and an outlet, and definition has a central axis by this center, entry and exit and axially extends along this body;
One conducting element, be incorporated into this body and be positioned at this porch contiguous, this conducting element has one first holder and multiple fin, respectively this fin is between the tube wall and this first holder of this body, described fin arranges radially and is connected to this first holder, and this central shaft wire clamp one first angle of respectively this fin and this body;
One impeller, is located at the inside of this body rotationally, and has a pin joint seat and be arranged in the multiple blades on this pin joint seat radially, respectively this central shaft wire clamp one second angle of this blade and this body;
One magnetic part, is located on wherein this blade of this impeller, and moves on a circular path along with the rotation of this impeller;
One Magnetic Sensor, for sense when this magnetic part moves produce changes of magnetic field after can send a signal.
2. current detecting module according to claim 1, it is characterized in that, include a fastener, this fastener is incorporated into this body and is positioned at this exit contiguous, this fastener comprises one second holder and multiple rib, described rib is between the tube wall and this second holder of this body, and the pin joint seat of this impeller is articulated in this first holder, the second holder.
3. current detecting module according to claim 2, it is characterized in that, the pin joint seat of this impeller includes the pedestal and a pivot that are connected, and described blade is linked to this pedestal, this pivot one end is articulated in this first holder, this second holder of other end pivot joint.
4. current detecting module according to claim 1, it is characterized in that, this first angle and this second angle are summed up between 80 degree ~ 100 degree.
5. current detecting module according to claim 4, it is characterized in that, it is 90 degree that this first angle and this second angle are summed up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586876.4A CN104655196A (en) | 2013-11-20 | 2013-11-20 | Flow detection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586876.4A CN104655196A (en) | 2013-11-20 | 2013-11-20 | Flow detection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104655196A true CN104655196A (en) | 2015-05-27 |
Family
ID=53246597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310586876.4A Pending CN104655196A (en) | 2013-11-20 | 2013-11-20 | Flow detection module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104655196A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105772A (en) * | 1994-10-05 | 1996-04-23 | Paloma Ind Ltd | Flow rate sensor |
| CN201210062Y (en) * | 2008-06-11 | 2009-03-18 | 钱志鸿 | Fluid flow sensor having flow guiding fin and reverse prevention device |
| CN201251457Y (en) * | 2008-07-22 | 2009-06-03 | 青岛隆盛希望电子有限公司 | Running water sensor |
| CN201382582Y (en) * | 2008-09-11 | 2010-01-13 | 上海正克电器有限公司 | Magnetic induction water flow switch |
| CN201463941U (en) * | 2009-04-23 | 2010-05-12 | 浙江恒翔实业发展有限公司 | Water flow rate induction device |
-
2013
- 2013-11-20 CN CN201310586876.4A patent/CN104655196A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105772A (en) * | 1994-10-05 | 1996-04-23 | Paloma Ind Ltd | Flow rate sensor |
| CN201210062Y (en) * | 2008-06-11 | 2009-03-18 | 钱志鸿 | Fluid flow sensor having flow guiding fin and reverse prevention device |
| CN201251457Y (en) * | 2008-07-22 | 2009-06-03 | 青岛隆盛希望电子有限公司 | Running water sensor |
| CN201382582Y (en) * | 2008-09-11 | 2010-01-13 | 上海正克电器有限公司 | Magnetic induction water flow switch |
| CN201463941U (en) * | 2009-04-23 | 2010-05-12 | 浙江恒翔实业发展有限公司 | Water flow rate induction device |
Non-Patent Citations (1)
| Title |
|---|
| 夏昭知，伍国福: "《燃气热水器》", 31 December 2002, 重庆大学出版社出版 * |
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Application publication date: 20150527 |