CN202974330U - Water flow and temperature sensor - Google Patents
Water flow and temperature sensor Download PDFInfo
- Publication number
- CN202974330U CN202974330U CN 201220618525 CN201220618525U CN202974330U CN 202974330 U CN202974330 U CN 202974330U CN 201220618525 CN201220618525 CN 201220618525 CN 201220618525 U CN201220618525 U CN 201220618525U CN 202974330 U CN202974330 U CN 202974330U
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- temperature
- temperature sensor
- discharge
- probe rod
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Abstract
The utility model discloses a water flow and temperature sensor. The water flow and temperature sensor comprises a body which is internally hollow to form a chamber; a rotation device arranged inside the chamber and comprising a wheel axle, and a magnetic block and impellers, which are arranged on the wheel axle; a Hall element device which is used for measuring the rotation speed of the impellers and feeding back rotation speed signals, and is arranged at one side of the body; and a temperature sensing device which is used for measuring the temperature and feeding back signals, and comprises a probe rod and a probe arranged at the tail end of the probe rod, wherein the probe rod is connected to the body and the temperature sensing probe extends into the chamber. The water flow and temperature sensor based on the utility model is capable of simultaneously detecting the water flow and the water temperature, thereby widening the application scope of the sensor; and the water flow and temperature sensor is simple in structure, small in size, and low in cost. The utility model also discloses an electric water heater having the aforementioned water flow and temperature sensor.
Description
Technical field
The utility model relates to a kind of sensor, discharge and the temperature sensor of the temperature of the especially a kind of flow that can measure simultaneously water and water.
Background technology
At present, use water flow sensing unit in existing electric heater product, only be used for the flow of water sensing, and temperature that can not water sensing.When the flow of product needed water sensing, when needing again the temperature of water sensing simultaneously, can only connect again the device of a sensing temperature in electric heater, complex structure thus, volume takies more greatly installing space, and cost is high.
The utility model content
The utility model is intended to solve at least one of technical matters that exists in prior art.For this reason, a purpose of the present utility model is to propose discharge and the temperature sensor of the temperature of a kind of flow that can measure simultaneously water and water.
Another purpose of the present utility model is to propose a kind of electric heater with above-mentioned discharge and temperature sensor.
A kind of discharge and temperature sensor according to the utility model first aspect embodiment comprise: body, and described body interior hollow is to form chamber; Wheelwork, described wheelwork are located in described chamber and comprise wheel shaft, are located at magnetic patch and impeller on wheel shaft; Be used for measuring the rotating speed of described impeller and feed back the Hall element device of tach signal, described Hall element device is located at described body one side; With the temperature-sensing device that is used for measuring temperature and feedback signal, described temperature-sensing device comprises probe rod and the probe that is located at described probe rod end, and described probe rod is connected to described body and described temperature-sensing probe extend in described chamber.
According to discharge of the present utility model and temperature sensor, by wheelwork, Hall element device and temperature-sensing device are set simultaneously, can detect simultaneously the temperature of discharge and detection water, improved the scope of application of sensor, simple in structure, volume is little and cost is low.And, because Hall element device and temperature-sensing device feed back to controller with corresponding signal respectively, complete machine is controlled, reduced thus the requirement to the controller of electric heater, cost further reduces.
In addition, also have following additional technical feature according to discharge of the present utility model and temperature sensor:
The probe rod of described temperature sensing device is provided with the first connecting portion, and is formed with the second connecting portion on described body, and described the first connecting portion and described the second connecting portion coordinate so that described probe rod is connected on described body.
In an embodiment of the present utility model, described the first connecting portion is the stage portion that is located on described probe rod, and described the second connecting portion is the stepped hole that is formed on described body, and described stage portion and described stepped hole coordinate.
Preferably, seal by seal between described stage portion and described stepped hole.
Alternatively, described seal is O-ring seal.
In an example of the present utility model, described discharge and temperature sensor further comprise: pressing plate, described pressing plate be pressed in described stage portion away from a side of described body so that described probe rod is pressed on described body.
In another example of the present utility model, be formed with external thread on described stage portion, and described stepped hole inwall is formed with internal thread, described internal thread coordinates that with described external thread described probe rod is fastened on described body.
According to discharge of the present utility model and temperature sensor, can detect simultaneously the temperature of discharge and detection water, improved the scope of application of sensor, simple in structure, volume is little and cost is low.
A kind of electric heater according to the utility model second aspect embodiment comprises: housing limits chamber in described housing, and has water inlet on described housing; According to the described discharge of the utility model first aspect embodiment and temperature sensor, described discharge and temperature sensor are located in described chamber and are positioned at described water inlet to detect temperature and the water velocity of entry; Controller, wherein said Hall element device and described temperature-sensing device are connected with described controller respectively with the signal feedback that will collect separately to described controller; Heating arrangement, described heating arrangement are connected to control heating by described controller with described controller; Level sensor, described level sensor is connected with described controller.
According to the electric heater of the utility model embodiment, by adopting discharge and temperature sensor, can detect simultaneously the temperature of discharge and water in the water inlet, saved the space in hydroecium, and simple to operate.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is according to the discharge of an embodiment of the utility model and the schematic diagram of temperature sensor;
Fig. 2 is the enlarged diagram that Fig. 1 centre circle shows A section;
Fig. 3 is according to the discharge of another embodiment of the utility model and the schematic diagram of temperature sensor;
Fig. 4 is the enlarged diagram that Fig. 2 centre circle shows B section.
Embodiment
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", orientation or the position relationship of the indications such as D score, " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or hint that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, need to prove, unless clear and definite regulation and restriction are separately arranged, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
The below is at first referring to figs. 1 to discharge and the temperature sensor 100 of Fig. 4 description according to the utility model first aspect embodiment.In the following description, being used for electric heater (scheming not shown) take discharge described in the utility model and temperature sensor 100 describes as example, thus, discharge and temperature sensor 100 are connected with controller in electric heater, export controller to impulse form after the temperature of measurement discharge and water, then the heating arrangement (scheming not shown) in controller adjusting electric heater is to regulate the heating to water.Those skilled in the art are appreciated that according to the discharge of the utility model embodiment and temperature sensor 100 and are not limited to this, also can be used in the electrical equipment of other temperature that need to detect simultaneously discharge and water such as water fountain, wall-hung boiler etc.
Discharge and temperature sensor 100 according to the utility model embodiment comprise: body 1, wheelwork 2, Hall element device 3 and temperature-sensing device.As shown in figures 1 and 3, body 1 inner hollow to be forming chamber 10, and wheelwork 2 is located in chamber 10 and comprises wheel shaft 21, is located at magnetic patch 22 and impeller 23 on wheel shaft 21.
The temperature-sensing device that temperature-sensing device is used for mensuration temperature and feedback signal comprises probe rod 41 and the probe 42 that is located at probe rod 41 ends, probe rod 41 is connected to body 1, and temperature-sensing probe 42 extend in chamber 10 so that the water in the chamber 10 of flowing through is carried out thermometric.And temperature-sensing device is connected with controller in electric heater by temperature plug end 43, carry out thermometric by 42 pairs of water of temperature-sensing probe thus after output pulse signal to controller.Temperature survey principle as for temperature-sensing device is known by those skilled in the art, is not described in detail at this.
Thus, in when work, discharge and temperature sensor 100 are mounted to the cooling water inlet place of electric heater.When water inlet, water is by wheelwork 2, particularly, water-driven impeller 23 drives magnetic patch 22 rotations and rotating speed changes along with the fluctuations in discharge of water, Hall element device 3 is exported the corresponding pulses signals at this moment, feed back to controller, carried out the power of On/Off heating arrangement or adjusting heating arrangement by controller according to the size of discharge.
Simultaneously, when water passed through temperature-sensing probe 42, temperature-sensing device sensed the temperature of water and exports corresponding signal, feeds back to controller, heating arrangement is controlled according to the variation of temperature by controller.
Discharge and temperature sensor 100 according to the utility model embodiment, by wheelwork 2, Hall element device 3 and temperature-sensing device are set simultaneously, can detect simultaneously the temperature of discharge and detection water, improved the scope of application of sensor, simple in structure, volume is little and cost is low.And, because Hall element device 3 and temperature-sensing device feed back to controller with corresponding signal respectively, complete machine is controlled, reduced thus the requirement to the controller of electric heater, cost further reduces.
Particularly, the probe rod 41 of temperature sensing device is provided with the first connecting portion, and is formed with the second connecting portion on body 1, and the first connecting portion and the cooperation of the second connecting portion are connected on body 1 with the probe rod 41 with temperature-sensing device.
As shown in Fig. 1 to Fig. 4, in embodiment more of the present utility model, the first connecting portion is the stage portion 5a that is located on probe rod 41, and the second connecting portion is the stepped hole 5b that is formed on body 1, and stage portion 5a and stepped hole 5b coordinate.Particularly, stage portion 5a is inserted in stepped hole 5b accordingly, is connected on body 1 with the probe rod 41 with temperature-sensing device.Preferably, as depicted in figs. 1 and 2, seal by seal 6 between stage portion 5a and stepped hole 5b.Alternatively, seal 6 can be O-ring seal.
In an example of the present utility model, discharge and temperature sensor 100 also can comprise pressing plate 7, pressing plate 7 be pressed in stage portion 5a away from a side of body 1 so that probe rod 41 is pressed on body 1.
And in another example of the present utility model, omitted pressing plate 7, and but be formed with external thread on stage portion 5a, and stepped hole 5b inwall being formed with internal thread, internal thread coordinates that with external thread probe rod 41 is fastened on body 1, as shown in Figure 3 and Figure 4.
According to discharge of the present utility model and temperature sensor, can detect simultaneously the temperature of discharge and detection water, improved the scope of application of sensor, simple in structure, volume is little and cost is low.
A kind of electric heater (scheming not shown) according to the utility model second aspect embodiment comprising: housing, discharge and temperature sensor 100, controller, heating arrangement and level sensor.Wherein, discharge and temperature sensor 100 are according to discharge and the temperature sensor described in the utility model first aspect embodiment.
Limit hydroecium in housing, has water inlet on housing, and discharge and temperature sensor 100 are located in hydroecium and are positioned at the water inlet to detect temperature and the water velocity of entry, and wherein Hall element device 3 and temperature-sensing device are connected with controller respectively with the signal feedback that will collect separately to controller.Heating arrangement is connected to control heating by controller with controller, and level sensor is connected to transmit water level signal to controller with controller.When receiving the corresponding signal of other sensor feedback such as Hall element device 3, temperature-sensing device or level sensor when controller, control heating arrangement water is heated.
The below will specifically describe the principle of work according to electric heater of the present utility model.
When work, add cold water from the cooling water inlet of electric heater, water is by wheelwork 2, drive impeller 23 drives magnetic patch 22 rotations and rotating speed changes along with the fluctuations in discharge of water, Hall element device 3 is exported the corresponding pulses signals at this moment, feed back to controller, carried out the power of On/Off heating arrangement or adjusting heating arrangement by controller according to the size of discharge.
Simultaneously, when water passed through temperature-sensing probe 42, temperature sensor 100 sensed the temperature of water and exports corresponding signal, feeds back to controller, heating arrangement is controlled according to the variation of temperature by controller.
And level sensor detects in real time water level signal and is sent to controller, controller compares the water level signal of actual measurement with the signal that presets, must deviate, then according to the character of deviation, to sending the electric signal of " opening ", " pass " for the water motorized valve in heating arrangement, guarantee to reach designated water level in hydroecium.
After the water inlet program was completed, controller was controlled the water in hydroecium is heated.During to design temperature.Controller is just given an order stopped heating and is made electric heater enter keeping warm mode.Wherein, in programming process, in the situation that do not reach safety level, controller is controlled and is not heated, thereby has avoided the loss of heat and the generation of accident in order to ensure electric heater.
According to the electric heater of the utility model embodiment, by adopting discharge and temperature sensor, can detect simultaneously the temperature of discharge and water in the water inlet, saved the space in hydroecium, and simple to operate.
Consist of according to other of the electric heater of the utility model embodiment and wait and operation is all known for those of ordinary skills, be not described in detail here.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (8)
1. a discharge and temperature sensor, is characterized in that, comprising:
Body, described body interior hollow is to form chamber;
Wheelwork, described wheelwork are located in described chamber and comprise wheel shaft, are located at magnetic patch and impeller on wheel shaft;
Be used for measuring the rotating speed of described impeller and feed back the Hall element device of tach signal, described Hall element device is located at described body one side; With
Be used for measuring the temperature-sensing device of temperature and feedback signal, described temperature-sensing device comprises probe rod and the probe that is located at described probe rod end, and described probe rod is connected to described body and described temperature-sensing probe extend in described chamber.
2. discharge according to claim 1 and temperature sensor, it is characterized in that, the probe rod of described temperature sensing device is provided with the first connecting portion, and be formed with the second connecting portion on described body, described the first connecting portion and described the second connecting portion coordinate so that described probe rod is connected on described body.
3. discharge according to claim 2 and temperature sensor, it is characterized in that, described the first connecting portion is the stage portion that is located on described probe rod, and described the second connecting portion is the stepped hole that is formed on described body, and described stage portion and described stepped hole coordinate.
4. discharge according to claim 3 and temperature sensor, is characterized in that, seals by seal between described stage portion and described stepped hole.
5. discharge according to claim 4 and temperature sensor, is characterized in that, described seal is O-ring seal.
6. the described discharge of any one and temperature sensor according to claim 3-5, is characterized in that, further comprises:
Pressing plate, described pressing plate be pressed in described stage portion away from a side of described body so that described probe rod is pressed on described body.
7. the described discharge of any one and temperature sensor according to claim 3-5, it is characterized in that, be formed with external thread on described stage portion, and described stepped hole inwall is formed with internal thread, described internal thread coordinates that with described external thread described probe rod is fastened on described body.
8. an electric heater, is characterized in that, comprising:
Housing limits chamber in described housing, and has water inlet on described housing;
According to claim 1, the described discharge of any one and temperature sensor in-7, described discharge and temperature sensor are located in described chamber and are positioned at described water inlet to detect temperature and the water velocity of entry;
Controller, wherein said Hall element device and described temperature-sensing device are connected with described controller respectively with the signal feedback that will collect separately to described controller;
Heating arrangement, described heating arrangement are connected to control heating by described controller with described controller;
Level sensor, described level sensor is connected with described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618525 CN202974330U (en) | 2012-11-20 | 2012-11-20 | Water flow and temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618525 CN202974330U (en) | 2012-11-20 | 2012-11-20 | Water flow and temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974330U true CN202974330U (en) | 2013-06-05 |
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ID=48515390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220618525 Expired - Lifetime CN202974330U (en) | 2012-11-20 | 2012-11-20 | Water flow and temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974330U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017107352A1 (en) * | 2015-12-23 | 2017-06-29 | 芜湖美的厨卫电器制造有限公司 | Flow regulating apparatus and gas water heater having same |
| CN107559490A (en) * | 2017-08-22 | 2018-01-09 | 宁波优尔多电器有限公司 | Electric hot water tap |
-
2012
- 2012-11-20 CN CN 201220618525 patent/CN202974330U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017107352A1 (en) * | 2015-12-23 | 2017-06-29 | 芜湖美的厨卫电器制造有限公司 | Flow regulating apparatus and gas water heater having same |
| CN107559490A (en) * | 2017-08-22 | 2018-01-09 | 宁波优尔多电器有限公司 | Electric hot water tap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |