CN208331326U - A kind of electronic constant-temperature water mixing valve - Google Patents

Abstract

The utility model discloses a kind of electronic constant-temperature water mixing valve, mounting base is set on valve body, installation cavity compatible with temperature sensor is arranged in mounting base, the both ends of mounting base are provided with the cylinder of screw hole, temperature sensor is fixed by screws on installation cavity, baffle for protecting temperature sensor is set in mounting base, flow chamber is also set up on valve body, impeller is arranged in flow chamber, rotor is set on institute's impeller, positioning ring, the sealing cover for sealing flow chamber is arranged in valve body, locating slot compatible with positioning ring is arranged in the inside of sealing cover, rotor chamber compatible with rotor, land is formed between locating slot and rotor chamber, corresponding land position is arranged in the outside of sealing cover, for installing the groove of Hall sensor, Hall sensor is used to detect the tach signal of rotor, outer cover is also set up on the outside of sealing cover, it is equipped between outer cover and sealing cover The opening passed through for the harness of Hall sensor.

Description

A kind of electronic constant-temperature water mixing valve

Technical field

The utility model relates to water mixing valve technical fields, are to be related to a kind of electronic constant-temperature water mixing valve more specifically.

Background technique

Electronic constant-temperature water mixing valve on the market is designed with temperature sensing in mixed water cavity, the water inlet end of mixed water cavity and water outlet Device, these temperature sensors do not have protective device to be directly installed on valve body, temperature sensor are caused to be easily damaged failure.In valve The cold water water inlet end of body has setting Hall flow meter, and impeller of rotor is directly connect with cold water water inlet end spiral, such knot Not compact its of structure is easy to cause leak.In order to overcome drawbacks described above, we have developed a kind of improved electronic constant-temperature water mixing valve.

Utility model content

The purpose of this utility model is to provide a kind of electronic constant-temperature water mixing valve, the setting protection temperature sensor on valve body Device, by the impeller of rotor of Hall flow meter be set to valve body flow chamber in so that the structure of electronic constant-temperature water mixing valve is tighter It gathers, with overcome the deficiencies in the prior art.

The technical scheme in the invention for solving the technical problem is: a kind of electronic constant-temperature water mixing valve, including valve body, valve body Cold water water inlet end, cold water water outlet, hot water is respectively set on the valve body in interior water-mixing valve core, the motor being mounted on valve body Temperature sensing is respectively set in water inlet end, mixed water water outlet, the mixed water cavity of the valve body, the cold water end of mixed water cavity, hot water water inlet end Device, mounting base is arranged on the valve body, and installation cavity compatible with temperature sensor, the temperature sensing is arranged in the mounting base Device is fixed on installation cavity, and baffle is arranged in the mounting base, and the baffle stretches out forwards, also set up on the valve body with it is cold Rotor, positioning are arranged on the impeller for the flow chamber that water water inlet end, cold water water outlet communicate, the flow intracavitary setting impeller The sealing cover for sealing flow chamber is arranged in ring, the valve body, and the outside of the sealing cover is arranged for installing Hall sensor Groove, the Hall sensor is used to detect the tach signal of rotor.

Locating slot compatible with positioning ring, rotor chamber compatible with rotor is arranged in the inside of the sealing cover, described Land is formed between locating slot and rotor chamber, the position of the groove and the position of land are corresponding.

Outer cover is also set up on the outside of the sealing cover, and the harness for Hall sensor is equipped between the outer cover and sealing cover The opening passed through.

The axocoel of support shaft is respectively arranged in the flow chamber, rotor chamber, the shaft passes through impeller, rotor.

The periphery of the locating slot is additionally provided with support land, and sealing ring is arranged in the support land.

It covers outside described equipped with locating piece, location hole compatible with locating piece is set on the sealing cover.

The mounting post of screw hole is provided on the valve body, the sealing cover, outer cover are connect by screw with valve body.

The electronic constant-temperature water mixing valve is H-shaped tube assembly, the ipsilateral setting of the cold water water inlet end and cold water water outlet, Hot water water inlet end and the mixed ipsilateral setting in water water outlet, hot water or cold water side by connecting tube connection, the flow chamber also with connecting tube phase It is logical.

The baffle is arc-shaped.

The both ends of the mounting base are provided with the cylinder of screw hole.

The beneficial effects of the utility model are:

The utility model provides a kind of electronic constant-temperature water mixing valve, compact-sized, by the way that temperature sensor is arranged on valve body Protection baffle so that temperature sensor is protected, flow chamber is located at threeway intersection, and cavity volume is larger, impeller used The existing Hall flow meter of volume ratio in impeller it is at least big by 50%, the sensitivity of revolving speed is improved, so that Hall sensor can To detect more accurate tach signal.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of electronic constant-temperature water mixing valve in the utility model.

Fig. 2 is the scheme of installation of temperature sensor in the utility model.

Fig. 3 is the structural schematic diagram of impeller in the utility model.

Fig. 4 is the scheme of installation of impeller in the utility model.

Fig. 5 is the structural schematic diagram of the inside of sealing cover in the utility model.

Fig. 6 is the structural schematic diagram in the outside of sealing cover in the utility model.

Fig. 7 is the cross-section diagram in the face sealing cover in the utility model " A-A ".

Fig. 8 is the structural schematic diagram of outer cover in the utility model.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " transverse direction ", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.Unless It is otherwise noted, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " should broadly understood, for example, it may be being fixedly connected.It may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Referring to Fig. 1-8, electronic constant-temperature water mixing valve is H-shaped tube assembly, including the intracorporal water-mixing valve core of valve body 1, valve, peace Motor on valve body, motor drive the hot and cold water water mixing proportion thus regulating mixed water valve core by controller, distinguish on valve body Cold water water inlet end 11, cold water water outlet 12, hot water water inlet end 13, mixed water water outlet 14, cold water water inlet end, cold water water outlet are set Positioned at ipsilateral (cold water side), hot water water inlet end, mixed water water outlet are located at ipsilateral (hot water side), and hot water or cold water side passes through connecting tube 15 Connection, mixed water cavity are located at the threeway junction of hot water side, and mixed water cavity is located in valve chamber, and spool is equipped in valve chamber.

Temperature sensor 2 is respectively set in the mixed water cavity 161 of valve body, the cold water end 161 of mixed water cavity, hot water water inlet end 13, temperature Degree covers disposed on sensor has sealing ring, and mounting base is arranged on valve body, and installation cavity compatible with temperature sensor, peace is arranged in mounting base The both ends of dress seat are provided with the cylinder 21 of screw hole, fix temperature sensor by screw, also set up and be arc-shaped in mounting base Baffle 23, baffle stretches out forwards, and baffle keeps temperature sensor not easily damaged for protecting temperature sensor.

Flow chamber 17 is also set up on valve body, flow chamber is communicated with cold water water inlet end 11, cold water water outlet 12, connecting tube 15, Impeller 3 is arranged in flow chamber, and rotor 31, positioning ring 32 is arranged on impeller.

Sealing cover 4 for sealing flow chamber is set on valve body, and the inside setting of sealing cover is compatible with positioning ring fixed Position slot 41, rotor chamber 42 compatible with rotor are respectively arranged in flow chamber, rotor chamber support the axocoel 43 of shaft 33, Shaft passes through impeller, rotor.

Land 44 is formed between locating slot and rotor chamber, the groove for installing Hall sensor is arranged in the outside of sealing cover 45, the position of groove and the position of land are corresponding, and Hall sensor is used to detect the tach signal of rotor, and the periphery of locating slot is set There is support land 46, supports and place sealing ring 48 in land.

Outer cover 5 is also set up on the outside of sealing cover, is covered outside equipped with locating piece 51, is arranged on the outside of sealing cover and locating piece Compatible location hole 47, is equipped with the opening 52 that passes through of harness 61 for Hall sensor between outer cover and sealing cover, on valve body It is provided with the mounting post 53 of screw hole, sealing cover, outer cover are connect by screw with valve body.

When valve is opened, tap water enters impact impeller through cold water water inlet end, rotates rotor, positioned at the Hall of groove Sensor detects changes in flow rate signal by inductiopn rotor slewing rate, and signal is uploaded to controller, controller After comprehensive water flow signal, inlet and outlet temperature signal, set according to (such as being inputted by potentiometer) that built-in or user inputs Determine water temperature, issue spool opening degree instruction by lower water temperature rule, the order of spool aperture regulation is executed by motor, so as to adjust cold and hot Water aperture ratio.

While there has been shown and described that the embodiments of the present invention, those skilled in the art should understand that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are limited by claim and its equivalent replacement, without changing made by creative work Into etc., it should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of electronic constant-temperature water mixing valve, including valve body, motor valve intracorporal water-mixing valve core, be mounted on valve body, the valve Cold water water inlet end, cold water water outlet, hot water water inlet end, mixed water water outlet, the mixed water cavity of the valve body, mixed water are respectively set on body Temperature sensor is respectively set in the cold water end of chamber, hot water water inlet end, it is characterised in that: mounting base is set on the valve body, it is described Installation cavity compatible with temperature sensor is arranged in mounting base, and the temperature sensor is fixed on installation cavity, the mounting base Upper setting baffle, the baffle stretch out forwards, and the stream communicated with cold water water inlet end, cold water water outlet is also set up on the valve body Chamber is measured, rotor, positioning ring are arranged on the impeller for the flow intracavitary setting impeller, and the valve body is arranged for sealing flow The groove for installing Hall sensor is arranged in the sealing cover of chamber, the outside of the sealing cover, and the Hall sensor is for examining Survey the tach signal of rotor.

2. electronic constant-temperature water mixing valve according to claim 1, it is characterised in that: the inside of the sealing cover is arranged and positioning ring Compatible locating slot, rotor chamber compatible with rotor, form land between the locating slot and rotor chamber, the groove Position is corresponding with the position of land.

3. electronic constant-temperature water mixing valve according to claim 2, it is characterised in that: outer cover is also set up on the outside of the sealing cover, The opening passed through for the harness of Hall sensor is equipped between the outer cover and sealing cover.

4. electronic constant-temperature water mixing valve according to claim 3, it is characterised in that: be respectively set in the flow chamber, rotor chamber It is used to support the axocoel of shaft, the shaft passes through impeller, rotor.

5. electronic constant-temperature water mixing valve according to claim 4, it is characterised in that: the periphery of the locating slot is additionally provided with support ring Sealing ring is arranged in the support land in platform.

6. electronic constant-temperature water mixing valve according to claim 5, it is characterised in that: it covers outside described equipped with locating piece, it is described close Location hole compatible with locating piece is set in capping.

7. electronic constant-temperature water mixing valve according to claim 6, it is characterised in that: be provided with the installation of screw hole on the valve body Column, the sealing cover, outer cover are connect by screw with valve body.

8. electronic constant-temperature water mixing valve according to claim 1, it is characterised in that: the electronic constant-temperature water mixing valve is H-shaped Tube assembly, the ipsilateral setting of the cold water water inlet end and cold water water outlet, hot water water inlet end and the mixed ipsilateral setting in water water outlet, cold, Hot water side is connected by connecting tube, and the flow chamber is also communicated with connecting tube.

9. electronic constant-temperature water mixing valve according to claim 1, it is characterised in that: the baffle is arc-shaped.

10. electronic constant-temperature water mixing valve according to claim 1, it is characterised in that: the both ends of the mounting base are provided with screw hole Cylinder.