CN208417619U - Constant-temperature water mixing valve and water heater - Google Patents
Constant-temperature water mixing valve and water heater Download PDFInfo
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- CN208417619U CN208417619U CN201820905057.XU CN201820905057U CN208417619U CN 208417619 U CN208417619 U CN 208417619U CN 201820905057 U CN201820905057 U CN 201820905057U CN 208417619 U CN208417619 U CN 208417619U
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Abstract
The utility model relates to field of water heaters, a kind of constant-temperature water mixing valve and water heater are disclosed.Constant-temperature water mixing valve includes valve body and spool, and valve body includes constant-temperature effluent mouth；Mixed water cavity has hot water valve port and cold water valve port and is connected to constant-temperature effluent mouth；Cold water cavity is connected to cold water valve port and has cold water inlet and cooling water outlet；Hot-water cavity is connected to hot water valve port and has hot water inlet, and spool can adjust the opening area of hot water valve port and/or the opening area of cold water valve port；The one-way non-return device that being provided in hot water circulation passage between hot water inlet and mixed water cavity allows hot water to be flowed into mixed water cavity passes and flows into mixing chamber only to allow hot water, it avoids cold water that hot water is forced to flow back from hot water inlet, improves the performance with water for providing the consumer with proper temperature.It is adjusted into cool water quantity and hot water amount in mixed water cavity simultaneously, so that hot and cold water is sufficiently mixed in advance in mixed water cavity, is then flowed out again from constant-temperature effluent mouth, so that provide the consumer with proper temperature uses water.
Description
Technical field
The utility model relates to technical field of water heaters, and in particular, to a kind of constant-temperature water mixing valve and a kind of water heater.
Background technique
Existing consumer increasingly pays close attention to quality of the life, and the comfort level of bathing domestic water, water temperature shakiness, water temperature are excessively boiling hot
All affect the experience of consumer's bathing.Pot-type boiler is at present all in accordance with there is a water mixing valve, such as manual water mixing valve or mechanical
Thermostatic valve, spool can adjust the supply amount of hot water and cold water, so that using after hot water and cold water mix for consumer.
But the manual water mixing valve or mechanical thermostatic valve that water heater uses at present have the following disadvantages:
Manual water mixing valve manually controls hot and cold water aperture by handle, its mixed outlet water temperature is made to reach consumer's needs
Water temperature and be difficult to control manually, be easy to cause toning water temperature excessively boiling hot, together but the disadvantage is that hot and cold water is directly mixed in water outlet
When gradually decrease with outlet water temperature of water heater, need to frequently manually adjust leaving water temperature；
Mechanical thermostatic valve inside has temperature-sensitive spool, by temperature change, the automatic breathing of spool mandril, and travel displacement amount, this
Displacement drives spool displacement, controls cold-hot water proportion, and mixed outlet water temperature reaches temperature required for consumer, the disadvantage is that, it is cold
Hot water is directly mixed in water outlet, and temperature adjustment is corresponding slow, and set temperature and practical temperature error out are big, pressure and changes in flow rate
When, water temperature is unstable.
In addition, in actual use, there is also certain deficiencies for existing water mixing valve, for example, in actual use, hot and cold water
Hydraulic pressure can change, for example, may result in cold water if cold water pressure is excessive and enter in hot-water cavity, thus by hot
Water forces flowing, this meeting is so that a large amount of cold water flows out from constant-temperature effluent mouth and influences user and use good opinion.
Utility model content
The purpose of the utility model is to provide a kind of constant-temperature water mixing valves, and the structure is simple, can be avoided cold water and force hot water
It flows back from hot water inlet, to improve the performance with water for providing the consumer with proper temperature.
To achieve the goals above, the utility model provides a kind of constant-temperature water mixing valve, the constant-temperature water mixing valve include valve body and
Spool is formed in the valve body: constant-temperature effluent mouth；Mixed water cavity, the mixed water cavity have hot water valve port and cold water valve port, and
The mixed water cavity is connected to the constant-temperature effluent mouth；Cold water cavity, the cold water cavity are connected to the cold water valve port and have cold water
Entrance and cooling water outlet；Hot-water cavity, the hot-water cavity are connected to the hot water valve port and have hot water inlet；Wherein, the valve
Core can be movably arranged as in the valve body, and the spool can adjust the hot water valve port opening area and/or
The opening area of the cold water valve port；Also, setting in the hot water circulation passage between the hot water inlet and the mixed water cavity
Having allows hot water to be flowed into the one-way non-return device in the mixed water cavity.
Through the above technical solutions, allowing heat due to being provided in the hot water circulation passage between hot water inlet and mixed water cavity
Water is flowed into the one-way non-return device in mixed water cavity, in this way, the one-way non-return device can be passed and flowed into only to allow hot water it is mixed
Chamber is closed, and hot water can be forced to flow back from hot water inlet to avoid cold water, to improve the use for providing the consumer with proper temperature
The performance of water.Meanwhile the opening area of hot water valve port and/or the opening area of cold water valve port, then phase are adjusted by spool activity
The cool water quantity being adjusted into answering in mixed water cavity and hot water amount, so that hot and cold water is sufficiently mixed in advance in mixed water cavity,
Then it is flowed out again from constant-temperature effluent mouth, to provide the consumer with the use water of proper temperature, for example meets consumer and comfortably wash
Bath requires.
Further, the one-way non-return device is arranged in the hot-water cavity.
Further, in a kind of form, the one-way non-return device includes the rear pedestal with inflow entrance, has outflow
Front pedestal, spring and the non-return column of mouth, wherein the rear pedestal is fixedly connected with the front pedestal and the hot-water cavity is arranged in
Interior, the non-return column can be slidably arranged between the rear pedestal and the front pedestal, and the spring is connected to institute
It states between non-return column and the front pedestal；The non-return column can block or open the inflow entrance.
Further, the inner peripheral surface of the inflow entrance is formed towards the widened tapered surface of the front pedestal, described to stop
Being provided on the outer peripheral surface of prop drawing can be with the elastic sealing ring of the taper face contact.
Selectively, in another form, the one-way non-return device is elastic valve plate, wherein the elastic valve plate is solid
Surely it is connected on the inner surface of the hot-water cavity and covers the hot water inlet and can be under the action of hot water towards the hot water
It stirs to open the hot water inlet in intracavitary portion.
In addition, the mixed aquaporin that between the mixed water cavity and the constant-temperature effluent mouth there is bending to extend.
Further, mixed water jacket is provided in the valve body, the inside of the mixed water jacket forms the mixed water cavity；Wherein,
The annular guiding gutter communicated with the constant-temperature effluent mouth, the bottom of the annular guiding gutter are formed on the outer surface of the mixed water jacket
The water guide mouth for being connected to the mixed water cavity with the annular guiding gutter is formed on wall, the annular guiding gutter extends as bending
The mixed aquaporin.
Further, the spool is formed by valve rod, wherein one end of the valve rod passes through power conversion mechanism
It connects and can move axially with the motor power transmitting being fixed on the valve body, the other end of the valve rod extend into described
In mixed water cavity, and the other end of the valve rod is axially spaced to be provided with hot water valve port closure part and cold water valve port closure part.
Further, hot water valve port closure part and cold water valve port closure part are supported on the interior of the mixed water jacket
On surface.
In addition, the power conversion mechanism includes the bridgeware with the rotation connection of the output shaft synchronous of the motor, wherein
It is formed with internal screw thread on one of the other end of the valve rod and the bridgeware, is formed in another one and the internal screw thread
The external screw thread of cooperation, and valve rod anti-rotation structure is provided between the valve rod and the valve body.
In addition, the constant-temperature water mixing valve includes cold water sensor, hot water sensor, the mixed water for connecting with control unit
Sensor and flow detection unit, wherein the cold water sensor is arranged in the cavity wall of the cold water cavity for detecting institute
State the temperature of cold water in cold water cavity；The hot water sensor is arranged in the cavity wall of the hot-water cavity for detecting the hot water
The temperature of hot water in chamber；The mixed water sensor is arranged at the constant-temperature effluent mouth with the temperature for detecting mixed water；It is described
Flow detection unit is arranged at the cooling water outlet for detecting cold water flow of inlet water；The motor include for control
The connection-peg of unit connection processed.
In addition, the utility model provides a kind of water heater, which includes the heat with cold water interface and interface of hot water
Constant-temperature water mixing valve described in hydrophone ontology and any of the above, wherein the cooling water outlet is connect with the cold water interface；The heat
Water inlet is connect with the interface of hot water.
In this way, as described above, by the constant-temperature water mixing valve, which can satisfy the comfortable bathing of consumer and wants
It asks, improves the overall quality of water heater.
Further, the water heater includes control display interface and control unit, wherein in the constant-temperature water mixing valve packet
In the case of including cold water sensor, hot water sensor, mixing water sensor and flow detection unit and motor, the cold water sensing
Device, the hot water sensor, the mixed water sensor, the flow detection unit and the motor and described control unit connect
It connects.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of perspective view for constant-temperature water mixing valve that specific embodiment of the present invention provides；
Fig. 2 is a schematic cross-sectional view of the constant-temperature water mixing valve of Fig. 1；
Fig. 3 is the enlarged diagram of partial structurtes at the one of Fig. 2；
Fig. 4 is the enlarged diagram of another place's partial structurtes of Fig. 2.
Description of symbols
1- valve body, 2- spool, 3- mix water cavity, 4- hot water valve port, 5- cold water valve port, 6- constant-temperature effluent mouth, 7- cold water cavity, 8-
Cold water inlet, 9- cooling water outlet, 10- hot-water cavity, 11- hot water inlet, 12- inflow entrance, 13- rear pedestal, 14- outflux, after 15-
Pedestal, 16- spring, 17- non-return column, 18- tapered surface, 19- elastic sealing ring, 20- valve rod, 21- motor, 22- hot water valve port envelope
Stifled portion, 23- cold water valve port closure part, 24- mix water jacket, 25- annular guiding gutter, 26- water guide mouth, 27- bridgeware, 28- cold water biography
Sensor, 29- hot water sensor, 30- mix water sensor, 31- flow detection unit, 32- connection-peg.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Structure referring to fig. 1 and fig. 2, constant-temperature water mixing valve provided by the utility model include valve body 1 and spool 2, valve
It is formed in body 1:
Constant-temperature effluent mouth 6；
Mixed water cavity 3, mixing water cavity 3 has hot water valve port 4 and cold water valve port 5, and mixed water cavity 3 is connected to constant-temperature effluent mouth 6；
Cold water cavity 7, cold water cavity 7 are connected to cold water valve port 5 and have cold water inlet 8 and cooling water outlet 9；
Hot-water cavity 10, hot-water cavity 10 are connected to hot water valve port 4 and have hot water inlet 11；
Wherein, spool 2 can be movably arranged as in valve body 1, and spool 2 can adjust the opening face of hot water valve port 4
Long-pending and/or cold water valve port 5 opening area；Also, it is provided in the hot water circulation passage between hot water inlet 11 and mixed water cavity 3
Hot water is allowed to be flowed into the one-way non-return device in mixed water cavity 3.
In the technical scheme, due to being provided with permission in the hot water circulation passage between hot water inlet 11 and mixed water cavity 3
Hot water is flowed into the one-way non-return device in mixed water cavity 3, in this way, the one-way non-return device can pass and flow into only to allow hot water
Mixing chamber 3, and can be forced to avoid cold water hot water from hot water inlet 11 flow back, effectively prevent cold water crossfire, thus improve to
The performance with water of consumer's offer proper temperature.Meanwhile by the opening area of the activity adjustment hot water valve port 4 of spool 2 and/or
The opening area of cold water valve port 5, the then cool water quantity being correspondingly adjusted into mixed water cavity 3 and hot water amount, so that hot and cold water exists
It is sufficiently mixed, is then flowed out again from constant-temperature effluent mouth 6, to provide the consumer with proper temperature in advance in mixed water cavity 3
With water, for example meet the comfortable bathing requirement of consumer.
Herein it is to be appreciated that spool 2 can be adjusted by diversified forms hot water valve port 4 opening area and/or
In the opening area of cold water valve port 5, such as a kind of form, spool 2 can be rotatably arranged in valve body 1, while shape on spool 2
At there is through slot corresponding with hot water valve port 4 and cold water valve port 5 respectively, in this way, spool 2 rotates in mixed water cavity 3, so that it may adjust
Hot water valve port 4 and cold water valve port 5 respectively with the connection area of corresponding through slot, so as to adjust the heat for entering mixed water cavity 3
Water and cool water quantity.
Alternatively, respective spool 2 is respectively arranged at hot water valve port 4 and cold water valve port 5 in another form, in this way, logical
It crosses and adjusts corresponding spool 2, also the adjustable hot water amount for entering mixed water cavity 3 and cool water quantity.
Alternatively, can use structure as shown in Figure 2 and Figure 4 in another form, spool 2 can be by valve rod come real
It now and in valve body 1 reciprocatingly slides to adjust the opening area of the opening area of hot water valve port 4 and/or cold water valve port 5 and (specifically will
It is described in detail below).
Certainly, which can be set at any position appropriate, enter for example, it can be set in hot water
At mouth 11, alternatively, as shown in Figures 2 and 3, one-way non-return device is arranged in hot-water cavity 10.In this way, heat can be made full use of
The one-way non-return device is easily installed in the inner space of water cavity 10.
Certainly, which can have diversified forms, for example, in a kind of form, as shown in Figures 2 and 3,
One-way non-return device includes the rear pedestal 13 with inflow entrance 12, the front pedestal 15 with outflux 14, spring 16 and non-return column
17, wherein rear pedestal 13 is fixedly connected with front pedestal 15 and is arranged in hot-water cavity 10, and non-return column 17 can be slidably arranged in
Between rear pedestal 13 and front pedestal 15, and spring 16 is connected between non-return column 17 and front pedestal 15；Non-return column 17 can seal
Stifled or opening inflow entrance 12.In this way, hot water opens non-return column 17 to beat under the pressure of the hot water flowed into from hot water inlet 11
Inflow entrance 12 is opened, to allow hot water to enter in mixed water cavity by hot water valve port 4, if the insufficient pressure of hot water is to open only
When prop drawing 17, a pressurizing device appropriate can be set at hot water inlet 11 to increase the pressure of hot water.And work as cold water pressure
When excessive, non-return column 17 can then block inflow entrance 12, and cold water is avoided to pass through.
Further, as shown in Figure 3, inflow entrance 12 is blocked or opened for the ease of non-return column 17, it is preferable that inflow entrance
12 inner peripheral surface is formed towards the widened tapered surface 18 of front pedestal 15, and being provided on the outer peripheral surface of non-return column 17 can be with taper
The elastic sealing ring 19 that face 18 contacts.In this way, elastic sealing ring 19 and tapered surface 18 are one when non-return column 17 blocks inflow entrance 12
The gradual contact sealing of kind, this gradual contact sealing are also convenient for elastic sealing ring 19 and leave tapered surface 18 and open inflow entrance
12。
Alternatively, one-way non-return device is elastic valve plate, wherein feather valve in another form of the one-way non-return device
Piece is fixedly connected on capping hot water inlet 11 on the inner surface of hot-water cavity 10 and can be under the action of hot water towards hot-water cavity 10
It stirs to open hot water inlet 11 inside.For example, elastic valve plate can be high temperature resistant silicon film.
In addition, mixed water cavity 3 directly can be directly connected to by the opening in its cavity wall with constant-temperature effluent mouth 6, in this way, mixed water
The mixing water of proper temperature can quickly directly be flowed out from constant-temperature effluent mouth 6 in chamber 3.
Alternatively, in order to further enhance the effect of hot and cold water mixing, to provide temperature water outlet preferably, it is preferable that this
In the constant-temperature water mixing valve that utility model provides, the mixed aquaporin that between water cavity 3 and constant-temperature effluent mouth 6 there is bending to extend is mixed.This
Sample, the cold and hot mixing water in mixed water cavity 3 will be flowed out from constant-temperature effluent mouth 6 again after flowing through the mixed aquaporin that bending extends, and curved
In the mixed aquaporin of Qu Yanshen during flowing, hot and cold water will be mixed further, to promote hot and cold water mixed effect.
In addition, the inside of valve body 1 can directly form mixed water cavity 3, alternatively, in order to further promote mixed water effect, it is excellent
Selection of land, as shown in Figure 2 and Figure 4, mixed water jacket 24 is provided in valve body 1, the inside of mixed water jacket 24 forms mixed water cavity 3；Wherein, it mixes
The annular guiding gutter 25 communicated with constant-temperature effluent mouth 6, shape on the bottom wall of annular guiding gutter 25 are formed on the outer surface of water jacket 24
At there is the water guide mouth 26 for being connected to mixed water cavity 3 with annular guiding gutter 25, annular guiding gutter 25 is as the mixed aquaporin for being bent extension.
In this way, will be entered by water guide mouth 26 in annular guiding gutter 25 after hot and cold water first mixes in mixed water cavity 3, and by leading
The mouth of a river 26 and during the annular guiding gutter 25, hot and cold water can be mixed further, and finally be flowed from constant-temperature effluent mouth 6
Out.
Certainly, as described above, spool 2 can adjust the opening area of hot water valve port 4 and/or cold by diversified forms
The opening area of water valve mouth 5, for example, spool 2 is formed by valve rod 20 in Fig. 2 and structure type shown in Fig. 4, wherein
One end of valve rod 20 is connected and can be moved axially with 21 power of the motor transmitting being fixed on valve body 1 by power conversion mechanism
(it is, 21 positive and negative rotation of motor is able to drive the movement of 20 axial reciprocating of valve rod), the other end of valve rod 20 extend into mixed water cavity 3
It is interior, and the other end of valve rod 20 is axially spaced to be provided with hot water valve port closure part 22 and cold water valve port closure part 23.In this way,
The axial reciprocating movement of valve rod 20 is able to drive hot water valve port closure part 22 and cold water valve port closure part 23 and adjusts hot water valve respectively
The aperture of mouth 4 and cold water valve port 5, so as to adjust the cold and hot water entered in mixed water cavity 3.
In addition, avoiding the other end of valve rod 20 hanging for the stability that poppet stem 20 moves back and forth, it is preferable that heat
Water valve mouth closure part 22 and cold water valve port closure part 23 are supported on the inner surface of mixed water jacket 24.In this way, just taking full advantage of mixed
The inner surface of water jacket 24 supports valve rod 20, avoids that additional support construction is arranged again in mixed water jacket 24, such as from mixed water jacket
Inner surface on the support frame that radially-inwardly stretches out, this also simplifies the internal structures of mixed water jacket 24.
Certainly, power conversion mechanism can have diversified forms, as long as axial movement can be converted to for the rotation of motor
?.For example, as shown in Figure 2, power conversion mechanism includes the bridgeware 27 with the rotation connection of the output shaft synchronous of motor 21,
Wherein, it is formed with internal screw thread on one of the other end of valve rod 20 and bridgeware 27, is formed in another one and matches with internal screw thread
The external screw thread of conjunction, and valve rod anti-rotation structure is provided between valve rod 20 and valve body 1.In this way, motor 21 rotates, matched by screw thread
Conjunction and valve rod anti-rotation structure, it will be able to which band ovable valve stem 20 moves axially.
Certainly, bridgeware 27 can be for as shown in Figure 2 with externally threaded screw rod, or tool internal thread spiral shell
It is female.
In addition, in order to promote the convenience that user uses, and promote the accuracy of cold and hot water mixing, it is preferable that such as Fig. 1
Shown in, constant-temperature water mixing valve includes cold water sensor 28, hot water sensor 29, the mixed water sensor for connecting with control unit
30 and flow detection unit 31, wherein cold water sensor 28 is arranged in the cavity wall of cold water cavity 7 for detecting in cold water cavity 7
The temperature of cold water；Hot water sensor 29 is arranged in the cavity wall of hot-water cavity 10 with the temperature for detecting hot water in hot-water cavity 10；
Mixed water sensor 30 is arranged at constant-temperature effluent mouth 6 with the temperature for detecting mixed water；Flow detection unit 31 is arranged in cold water
It exports at 9 for detecting cold water flow of inlet water；Motor 21 includes the connection-peg 32 for connecting with control unit.
In this way, after the constant-temperature water mixing valve practical set, cold water sensor 28, hot water sensor 29, mixed water sensor 30,
Flow detection unit 31 and motor 21 are connect with control unit, and in actual use, user can set out water temperature by the needs of oneself
Degree can press specific control logic and hot and cold water contribution calcutation parameter by control unit, such as by motor band movable valve plug
Valve rod moves axially to control the cold and hot water entered in mixing chamber, reaches the automatic adjustment of hot and cold water mixed proportion, out water temperature
Degree can be controlled in water temperature set by user, carries out constant-current constant-temperatureself-injection water outlet, and water temperature fluctuation can be effectively controlled and high temperature is anti-scald, letter
Single operation, accurate control, using happy, for example user is preferably allowed to carry out bathing experience；And motor drives the stem to move axially
Control can then be detectd by the real-time of set temperature, practical leaving water temperature, cold water temperature, hot water temperature and cold water flow
It surveys, is controlled by sequential operation, accurately exported with reaching effluent temperature constancy.
Further, zero-bit limit switch has can be set in motor, to control the angle initial bit of motor, adjusts rotation
Process control is more accurate.Variable parameter is controlled by hot water test, cold water thermometric, constant-temperature effluent thermometric, Real-time Feedback is accurate
Temperature value can gradually finely tune the rotation amount of motor, reach effluent temperature constancy control according to temperature change.
In addition, hot water inlet 11 is connected with hot water union, cooling water outlet 9 for the ease of the connection of the constant-temperature water mixing valve
Place is connected with cold water union, is such as connect with water heater with facilitating.And cold water inlet 8 can connect with the originally pipeline of user
It connects, constant-temperature effluent mouth 6 can connect tap or other water outlet valve bodies in shower or user family.
Finally, the utility model provides a kind of water heater, which includes the heat with cold water interface and interface of hot water
Constant-temperature water mixing valve described in hydrophone ontology and any of the above, wherein cooling water outlet 9 is connect with cold water interface；Hot water inlet 11 with
Interface of hot water connection.In this way, as described above, by the constant-temperature water mixing valve, which can satisfy consumer and comfortably washes
Bath requires, and improves the overall quality of water heater.
Further, for the ease of user's control, water heater includes control display interface and control unit, wherein in perseverance
Warm water mixing valve includes cold water sensor 28, hot water sensor 29, mixed water sensor 30 and flow detection unit 31 and motor
Under situation, cold water sensor 28, hot water sensor 29, mixed water sensor 30, flow detection unit 31 and motor 21 and control are single
Member connection.
In this way, user can set leaving water temperature by the needs of oneself operation control display interface, it can be by control unit
By specific control logic and hot and cold water contribution calcutation parameter, controlled by the such as valve rod axial movement of motor band movable valve plug
The cold and hot water in mixing chamber is entered, the automatic adjustment of hot and cold water mixed proportion is reached, the rotation angle control of motor 21 passes through
The set temperature of user, practical leaving water temperature, cold water temperature, hot water temperature, cold water flow of inlet water detecting real-time, then pass through journey
Sequence operation control, by motor rotate the micro control of angle, band movable valve plug movement such as valve rod axial movement with hot water valve port and
Cold water valve port generates microdisplacement adjustment, thus change the mixed proportion of hot and cold water, it is accurately defeated to reach effluent temperature constancy
Out, so that leaving water temperature can be controlled in water temperature set by user, constant-current constant-temperatureself-injection water outlet is carried out, and water temperature fluctuation can be effectively controlled
And high temperature is anti-scald, simple operations, accurate control, using happy, for example user is preferably allowed to carry out bathing experience.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the utility model is to each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (13)
1. a kind of constant-temperature water mixing valve, which is characterized in that including valve body (1) and spool (2), be formed in the valve body (1):
Constant-temperature effluent mouth (6)；
Mixed water cavity (3), the mixed water cavity (3) have hot water valve port (4) and cold water valve port (5), and the mixed water cavity (3) and institute
State constant-temperature effluent mouth (6) connection；
Cold water cavity (7), the cold water cavity (7) are connected to the cold water valve port (5) and have cold water inlet (8) and cooling water outlet
(9)；
Hot-water cavity (10), the hot-water cavity (10) are connected to the hot water valve port (4) and have hot water inlet (11)；
Wherein, the spool (2) can be movably arranged as in the valve body (1), and the spool (2) can adjust it is described
The opening area of the opening area of hot water valve port (4) and/or the cold water valve port (5)；Also, the hot water inlet (11) and institute
Stating to be provided in the hot water circulation passage between mixed water cavity (3) allows hot water to be flowed into the one-way non-return in the mixed water cavity (3)
Device.
2. constant-temperature water mixing valve according to claim 1, which is characterized in that the one-way non-return device is arranged in the hot water
In chamber (10).
3. constant-temperature water mixing valve according to claim 2, which is characterized in that the one-way non-return device includes having inflow entrance
(12) rear pedestal (13), front pedestal (15), spring (16) and non-return column (17) with outflux (14), wherein
The rear pedestal (13) is fixedly connected with the front pedestal (15) and is arranged in the hot-water cavity (10), the non-return column
(17) it can be slidably arranged between the rear pedestal (13) and the front pedestal (15), and the spring (16) is connected to
Between the non-return column (17) and the front pedestal (15)；
The non-return column (17) can block or open the inflow entrance (12).
4. constant-temperature water mixing valve according to claim 3, which is characterized in that the inner peripheral surface of the inflow entrance (12) is formed as court
To the front pedestal (15) widened tapered surface (18), being provided on the outer peripheral surface of the non-return column (17) can be with the taper
The elastic sealing ring (19) of face (18) contact.
5. constant-temperature water mixing valve according to claim 2, which is characterized in that the one-way non-return device is elastic valve plate,
In, the elastic valve plate, which is fixedly connected on the inner surface of the hot-water cavity (10), covers the hot water inlet (11) and can be
It stirs under the action of hot water towards the hot-water cavity (10) is internal to open the hot water inlet (11).
6. constant-temperature water mixing valve described in any one of -5 according to claim 1, which is characterized in that the mixed water cavity (3) and institute
State the mixed aquaporin that between constant-temperature effluent mouth (6) there is bending to extend.
7. constant-temperature water mixing valve according to claim 6, which is characterized in that mixed water jacket (24) are provided in the valve body (1),
The inside of the mixed water jacket (24) forms the mixed water cavity (3)；
Wherein,
The annular guiding gutter (25) communicated with the constant-temperature effluent mouth (6), institute are formed on the outer surface of the mixed water jacket (24)
State the water guide mouth for being formed on the bottom wall of annular guiding gutter (25) and being connected to the mixed water cavity (3) with the annular guiding gutter (25)
(26), the mixed aquaporin that the annular guiding gutter (25) extends as bending.
8. constant-temperature water mixing valve according to claim 7, which is characterized in that the spool (2) is formed by valve rod (20),
Wherein, one end of the valve rod (20) is passed by power conversion mechanism with motor (21) power being fixed on the valve body (1)
It passs and connects and can move axially, the other end of the valve rod (20) is extend into the mixed water cavity (3), and the valve rod
(20) the other end is axially spaced to be provided with hot water valve port closure part (22) and cold water valve port closure part (23).
9. constant-temperature water mixing valve according to claim 8, which is characterized in that hot water valve port closure part (22) and described cold
Water valve mouth closure part (23) is supported on the inner surface of the mixed water jacket (24).
10. constant-temperature water mixing valve according to claim 8, which is characterized in that the power conversion mechanism includes and the electricity
The bridgeware (27) of the output shaft synchronous rotation connection of machine (21), wherein
It is formed with internal screw thread on one of other end and the bridgeware (27) of the valve rod (20), is formed in another one
With the external screw thread of the screw-internal thread fit, and valve rod anti-rotation structure is provided between the valve rod (20) and the valve body (1).
11. constant-temperature water mixing valve according to claim 1, which is characterized in that the constant-temperature water mixing valve include for control
Cold water sensor (28), hot water sensor (29), mixed water sensor (30) and the flow detection unit (31) of unit connection,
In,
The cold water sensor (28) is arranged in the cavity wall of the cold water cavity (7) with cold in the cold water cavity (7) for detecting
The temperature of water；The hot water sensor (29) is arranged in the cavity wall of the hot-water cavity (10) for detecting the hot-water cavity
(10) temperature of hot water in；Mixed water sensor (30) setting is sentenced in the constant-temperature effluent mouth (6) for detecting mixed water
Temperature；Flow detection unit (31) setting is sentenced in the cooling water outlet (9) for detecting cold water flow of inlet water；
It is provided with motor (21) on the valve body (1), the motor (21) includes the connection-peg for connecting with control unit
(32)。
12. a kind of water heater, which is characterized in that including the water heater body with cold water interface and interface of hot water and according to right
It is required that constant-temperature water mixing valve described in any one of 1-11, wherein
The cooling water outlet (9) connect with the cold water interface；
The hot water inlet (11) connect with the interface of hot water.
13. water heater according to claim 12, which is characterized in that the water heater includes control display interface and control
Unit, wherein
It include cold water sensor (28), hot water sensor (29), mixed water sensor (30) and flow inspection in the constant-temperature water mixing valve
It surveys in the case of unit (31) and motor,
The cold water sensor (28), the hot water sensor (29), the mixed water sensor (30), the flow detection unit
(31) it is connect with the motor (21) with described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820905057.XU CN208417619U (en) | 2018-06-11 | 2018-06-11 | Constant-temperature water mixing valve and water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820905057.XU CN208417619U (en) | 2018-06-11 | 2018-06-11 | Constant-temperature water mixing valve and water heater |
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| Publication Number | Publication Date |
|---|---|
| CN208417619U true CN208417619U (en) | 2019-01-22 |
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ID=65111918
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| CN201820905057.XU Active CN208417619U (en) | 2018-06-11 | 2018-06-11 | Constant-temperature water mixing valve and water heater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081205A (en) * | 2019-04-29 | 2019-08-02 | 合肥美的暖通设备有限公司 | Method for yielding water, water mixing valve and computer readable storage medium |
| CN110081206A (en) * | 2019-04-29 | 2019-08-02 | 合肥美的暖通设备有限公司 | Spool control method, water mixing valve and computer readable storage medium |
| CN110159803A (en) * | 2018-06-11 | 2019-08-23 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN112344078A (en) * | 2019-08-09 | 2021-02-09 | 芜湖美的厨卫电器制造有限公司 | Thermostatic valve, control method of thermostatic valve and water heater |
-
2018
- 2018-06-11 CN CN201820905057.XU patent/CN208417619U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159803A (en) * | 2018-06-11 | 2019-08-23 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN110159803B (en) * | 2018-06-11 | 2021-08-27 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN110081205A (en) * | 2019-04-29 | 2019-08-02 | 合肥美的暖通设备有限公司 | Method for yielding water, water mixing valve and computer readable storage medium |
| CN110081206A (en) * | 2019-04-29 | 2019-08-02 | 合肥美的暖通设备有限公司 | Spool control method, water mixing valve and computer readable storage medium |
| CN112344078A (en) * | 2019-08-09 | 2021-02-09 | 芜湖美的厨卫电器制造有限公司 | Thermostatic valve, control method of thermostatic valve and water heater |
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Effective date of registration: 20230406 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241000 Wanchun East Road, East District, Wuhu Economic and Technological Development Zone, Anhui Province Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |
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