CN215334627U

CN215334627U - Water heater with constant-temperature water mixing valve

Info

Publication number: CN215334627U
Application number: CN202121497555.3U
Authority: CN
Inventors: 谢德伟; 梁天生; 林志亮; 高锡忠
Original assignee: Anhui Weibo New Energy Heating And Water Supply Equipment Co ltd
Current assignee: Anhui Weibo New Energy Heating And Water Supply Equipment Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-28
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a water heater with a constant-temperature water mixing valve, which comprises a water heater body, wherein a water inlet pipe for injecting cold water and a water outlet pipe for outputting hot water are arranged on the water heater body, a constant-temperature water mixing valve assembly for automatically adjusting the proportion of cold water and hot water is also arranged on the water heater body, the constant-temperature water mixing valve assembly is respectively connected with the water inlet pipe and the water outlet pipe through bent pipe assemblies on two sides, when the water heater is used, a high-sensitivity temperature sensing element is arranged on a valve core of the constant-temperature water mixing valve assembly to sense the change of the water temperature of a water outlet and transmit feedback information to a control panel, and the control panel completes the control of the opening sizes of a cold water valve port and a hot water valve port by controlling the movement of a valve in the valve core, so that the proportion of cold water and hot water is automatically adjusted by the constant-temperature water mixing valve assembly, the water temperature is stable, and the purpose of outputting constant-temperature water is achieved.

Description

Water heater with constant-temperature water mixing valve

Technical Field

The utility model belongs to the technical field of water heaters, and particularly relates to a water heater with a constant-temperature water mixing valve.

Background

The play water end of most of water heaters on the market can adopt ordinary muddy water valve at present, mixes hot water and cold water and uses behind the suitable temperature, but this kind of mode goes out the water temperature and is not stable enough, receives the undulant influence of water pressure and flow easily, needs the user frequently to manually adjust the temperature when going out the water temperature and appearing suddenly cold suddenly and suddenly hot, consequently uses very inconveniently, and the user uses and experiences relatively poorly.

One of the existing solutions is to install a mechanical thermostatic valve on a water heater, and a high-sensitivity temperature sensing element is arranged in the thermostatic valve, so that a valve core in the valve is pushed to move by sensing the change of the water temperature at a water outlet, and the proportion of cold water and hot water is automatically adjusted, thereby stabilizing the water temperature at the water outlet and basically achieving the purpose of constant-temperature bathing. However, the thermostatic valve cannot realize automatic constant temperature, and when the outlet water temperature needs to be adjusted, the thermostatic valve also needs to manually adjust a temperature knob, so that the thermostatic valve is inconvenient to operate, and is generally arranged outside a water heater to influence the appearance of the water heater.

The other type is that an electronic thermostatic valve is installed on the water heater, a temperature sensing probe is arranged at a mixed water outlet of the thermostatic valve, the temperature sensing probe can detect the temperature of mixed water and feed a water temperature signal back to a circuit board, and then the circuit board adjusts the proportion of cold water and hot water to a thermostatic valve core through a motor, so that constant-temperature water outlet is realized. The electronic thermostatic valve has the disadvantages that when the temperature of cold water and hot water changes or the water pressure fluctuates, in order to achieve the effect of constant temperature, the motor needs to be continuously adjusted back and forth, the service life is greatly reduced, and once the valve core is blocked by foreign matters, the valve rod can be blocked, the thermostatic motor can still be in a working state at the moment, and the motor is connected with a power supply but cannot normally operate, so that the motor is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water heater with a constant-temperature water mixing valve, wherein a high-sensitivity temperature sensing element is arranged on a valve core of the constant-temperature water mixing valve assembly, the control panel completes the control of the sizes of openings of a cold water valve port and a hot water valve port by sensing the change of the water temperature at a water outlet and transmitting feedback information to the control panel, and the control panel controls the movement of a valve in the valve core to realize the automatic regulation of the proportion of cold water and hot water, so that the water temperature at the water outlet is stable, the aim of outputting water at constant temperature is fulfilled, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a water heater with constant temperature mixes water valve, includes the water heater body, be equipped with the inlet tube that is used for pouring into cold water and the outlet pipe that is used for exporting hot water on the water heater body, still be equipped with the constant temperature that automatically regulated hot and cold water proportion on the water heater body and mix the water valve subassembly, the constant temperature mixes the water valve subassembly and passes through the return bend subassembly of both sides respectively with inlet tube and play water piping connection.

As a still further scheme of the utility model: the elbow pipe assembly further comprises nuts arranged at two ends of the elbow pipe, and the elbow pipe assembly is connected with the constant-temperature water mixing valve assembly, the water inlet pipe and the water outlet pipe in a locking mode through the nuts at the two ends.

As a still further scheme of the utility model: the constant-temperature water mixing valve assembly is provided with a flange, the flange is fixedly connected with a support, and the support is fixedly connected with a shell of the water heater body.

As a still further scheme of the utility model: the constant-temperature water mixing valve assembly comprises a hot water cavity, a water mixing cavity and a cold water cavity, wherein the cold water cavity comprises a cold water inlet and a cold water inlet through which cold water enters the water heater body, the cold water cavity is communicated with a cold water valve port of the water mixing cavity, the hot water cavity comprises a hot water inlet communicated with a water outlet pipe, the hot water cavity is communicated with a hot water valve port of the water mixing cavity, and the water mixing cavity further comprises a water mixing water outlet.

As a still further scheme of the utility model: the constant-temperature water mixing valve assembly further comprises a valve body, a valve core, a bottom shell and an upper shell, wherein a temperature sensing element, a spring and a valve are sequentially arranged inside the valve core along the longitudinal direction, the valve core is fixedly installed on the axis of the valve body through an inner screw rod and an outer valve rod, the inner screw rod is in threaded fit connection with the outer valve rod, the bottom shell is fixed on the valve body through screws, a stepping motor is fixedly installed on the bottom shell, the output end of the stepping motor is connected with a driving gear, one end of the outer valve rod penetrates through the bottom shell and is provided with a driven gear, the driving gear is meshed with the driven gear and is connected with the driven gear, and the upper shell is fixedly arranged on the bottom shell.

As a still further scheme of the utility model: and a magnetic rotor and a Hall element are arranged in a pipeline of a cold water inlet of the constant-temperature water mixing valve assembly.

As a still further scheme of the utility model: and a temperature sensor is arranged in a pipeline of a mixed water outlet of the constant-temperature mixed water valve assembly.

As a still further scheme of the utility model: plugs are arranged on two sides of the constant-temperature water mixing valve assembly and inside the hot water cavity and the cold water cavity, and filter screens are arranged inside the plugs.

As a still further scheme of the utility model: the inside of epitheca is provided with the control panel.

As a still further scheme of the utility model: the temperature sensing element is a paraffin wax temperature sensing bulb.

The utility model has the beneficial effects that:

1. according to the utility model, the valve core of the constant-temperature water mixing valve assembly is provided with the high-sensitivity temperature sensing element, the change of the water temperature of the water outlet is sensed, the feedback information is transmitted to the control panel, the control panel controls the sizes of the openings of the cold water valve port and the hot water valve port by controlling the movement of the valve in the valve core, and the automatic regulation of the proportion of cold water and hot water is realized, so that the water temperature of the water outlet is stable, and the purpose of outputting water at constant temperature is achieved;

2. the constant-temperature water mixing valve assembly is also provided with the stepping motor and the control panel, the control panel receives a set temperature signal sent by a user, and the stepping motor is automatically controlled to adjust the valve to a proper position, so that the set temperature is consistent with the outlet water temperature, and stable and reliable constant-temperature outlet water is realized;

3. according to the utility model, the filter screens are arranged at the water inlet end and the water outlet end of the constant-temperature water mixing valve component, so that the valve body can be effectively prevented from being clamped due to the fact that foreign matters such as silt and scrap iron enter the valve core, and the reliability of the constant-temperature water mixing valve component can be effectively improved;

4. the bottom shell is arranged on the constant-temperature water mixing valve assembly, the stepping motor and the control panel are fixed through the bottom shell, and the upper shell is arranged on the bottom shell for sealing, so that the constant-temperature water mixing valve assembly has good waterproof and moisture-proof performances, and the service life of the constant-temperature water mixing valve assembly is prolonged;

5. the constant-temperature water mixing valve assembly is in threaded connection with the water inlet pipe and the water outlet pipe of the water heater body through the bent pipe, and the bracket is arranged and fixed on the shell of the water heater, so that the constant-temperature water mixing valve assembly is convenient to install, reliable in structure and beneficial to improving the production efficiency.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a perspective view of a water heater with a thermostatic mixing valve.

Fig. 2 is a bottom view of a water heater with a thermostatic mixing valve.

Fig. 3 is a first structural schematic diagram of a thermostatic mixing valve assembly in a water heater with a thermostatic mixing valve.

Fig. 4 is a schematic structural diagram of a thermostatic mixing valve assembly in a water heater with a thermostatic mixing valve.

Fig. 5 is an internal structure view of a thermostatic mixing valve assembly in a water heater with a thermostatic mixing valve.

Fig. 6 is an exploded view of a thermostatic mixing valve assembly in a water heater with a thermostatic mixing valve.

In the figure: 1. a water heater body; 101. a housing; 2. a water outlet pipe; 3. a constant temperature water mixing valve assembly; 31. a hot water cavity; 32. a water mixing cavity; 33. a cold water cavity; 4. a water inlet pipe; 5. a support; 61. a cold water inlet; 62. a mixed water outlet; 63. a cold water inlet; 64. a hot water inlet; 65. a cold water valve port; 66. a hot water valve port; 7. a temperature sensor; 8. a valve body; 9. a plug; 10. a flange; 11. a tube bending assembly; 12. a nut; 13. a bottom case; 14. an upper shell; 15. a valve core; 16. a Hall element; 17. filtering with a screen; 18. a temperature sensing element; 19. a spring; 20. a valve; 21. an inner screw rod; 22. an outer valve stem; 23. a driven gear; 24. a control panel; 25. a magnetic rotor; 26. a stepping motor; 27. a drive gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a water heater with a constant temperature water mixing valve includes a water heater body 1, a water inlet pipe 4 for injecting cold water and a water outlet pipe 2 for outputting hot water are disposed on the water heater body 1, a constant temperature water mixing valve assembly 3 for automatically adjusting a ratio of cold water to hot water is further disposed on the water heater body 1, and the constant temperature water mixing valve assembly 3 is respectively connected to the water inlet pipe 4 and the water outlet pipe 2 through elbow pipe assemblies 11 on two sides.

When the thermostatic mixing valve assembly 3 is used, the valve core 15 of the thermostatic mixing valve assembly 3 is provided with the high-sensitivity temperature sensing element 18 (please give a signal of the temperature sensing element 18), the change of the water temperature at the water outlet is sensed, the feedback information is transmitted to the control panel 24 (please give the model and the name of the control panel 24), the control panel 24 moves by controlling the valve 20 in the valve core 15, the control on the sizes of the openings of the cold water valve port 65 and the hot water valve port 66 is completed, the automatic adjustment of the cold water-hot water proportion of the thermostatic mixing valve assembly 3 is realized, the water temperature at the water outlet is stable, and the purpose of outputting water at constant temperature is achieved.

Referring to fig. 1-2, the elbow assembly 11 further includes nuts 12 disposed at two ends of the elbow, the elbow assembly 11 is connected to the thermostatic mixing valve assembly 3, the water inlet pipe 4 and the water outlet pipe 2 in a locking manner through the nuts 12 at the two ends, a flange 10 is disposed on the thermostatic mixing valve assembly 3, the flange 10 is fixedly connected to the bracket 5, and the bracket 5 is fixedly connected to the housing 101 of the water heater body 1.

During the use, adopt threaded connection with inlet tube 4 and outlet pipe 2 of water heater body 1 through return bend subassembly 11 with constant temperature water mixing valve subassembly 3 to be provided with on support 5 is fixed in the shell 101 of water heater body 1, simple to operate, the structure is reliable, is favorable to improving production efficiency.

Referring to fig. 3 to 6, the thermostatic mixing valve assembly 3 includes a hot water cavity 31, a mixing cavity 32 and a cold water cavity 33, the cold water cavity 33 includes a cold water inlet 61 and a cold water inlet 63 through which cold water enters the water heater body 1, the cold water cavity 33 is communicated with a cold water valve port 65 of the mixing cavity 32, the hot water cavity 31 includes a hot water inlet 64 communicated with the water outlet pipe 2, the hot water cavity 31 is communicated with a hot water valve port 66 of the mixing cavity 32, and the mixing cavity 32 further includes a mixing water outlet 62.

During the use, cold water gets into cold water cavity 33 from cold water inlet 61, gets into cold water valve port 65 of valve body 8 all the way after filter screen 17, gets into water heater body 1 through cold water entry 63 all the way, and hot water flows out from water heater body 1 through outlet pipe 2 to get into hot water inlet 64 and get into valve body 8 hot water cavity 31, get into muddy water cavity 32 through hot water valve port 66 again, cold water and hot water through mixing in the water cavity 32 and intensive mixing, flow out through muddy water delivery port 62, supply the user's bathing.

Referring to fig. 5-6, the thermostatic mixing valve assembly 3 further includes a valve body 8, a valve core 15, a bottom shell 13 and an upper shell 14, the temperature sensing element 18, a spring 19 and a valve 20 are sequentially disposed inside the valve core 15 along a longitudinal direction, the valve core 15 is fixedly mounted on an axis of the valve body 8 through an inner screw 21 and an outer valve 22, the inner screw 21 is in threaded fit with the outer valve 22, the bottom shell 13 is fixed on the valve body 8 through a screw, a stepping motor 26 is fixedly mounted on the bottom shell 13, an output end of the stepping motor 26 is connected with a driving gear 27, one end of the outer valve 22 penetrates through the bottom shell 13 and is provided with a driven gear 23, the driving gear 27 is in meshed connection with the driven gear 23, the bottom shell 13 is fixedly provided with the upper shell 14, a control board 24 is disposed inside the upper shell 14, and the bottom shell 13 is sealed by the upper shell 14, the water-proof and moisture-proof constant-temperature water mixing valve assembly has good water-proof and moisture-proof performance, and the service life of the constant-temperature water mixing valve assembly 3 is prolonged;

during the use, through temperature sensing element 18 on the case 15, the change of perception delivery port temperature, and convey feedback information to control panel 24, receive the settlement temperature signal that the user sent through control panel 24, automatic control step motor 26 drive driving gear 27 and driven gear 23 meshing transmission, make driven gear 23 drive outer valve rod 22 and rotate, thereby realize outer valve rod 22 drive inner screw rod 21 and promote valve 20 and move in vertical direction, realize adjusting valve 20 to suitable position, make settlement temperature and play water temperature keep unanimous, realize reliable and stable constant temperature and go out water.

Referring to fig. 5-6, the magnetic rotor 25 and the hall element 16 are disposed in the pipe of the cold water inlet 61 of the thermostatic mixing valve assembly 3, and are used for detecting the flow signal of the cold water inlet 61 and feeding back the flow signal to the control board 24.

Referring to fig. 4, a temperature sensor 7 is disposed in a pipe of the mixed water outlet 62 of the thermostatic mixing valve assembly 3, and is used for measuring the temperature of the mixed water outlet 62 and feeding the temperature back to the control panel 24.

Referring to fig. 3, the inside that the both sides of constant temperature mixes water valve subassembly 3 and be located hot water cavity 31 and cold water cavity 33 is provided with end cap 9, the inside of end cap 9 is provided with filter screen 17, can effectively avoid the foreign matter to get into case 15 and lead to the valve body 8 card dead like silt, iron fillings, can effectively improve the reliability that mixes water valve subassembly 3 with constant temperature.

The working principle is as follows: when the water heater works, cold water enters the cold water cavity 33 from the cold water inlet 61, passes through the filter screen 17 and then enters the cold water valve port 65 of the valve body 8, passes through the cold water inlet 63 and enters the water heater body 1, hot water flows out of the water heater body 1 through the water outlet pipe 2 and enters the hot water inlet 64 and enters the hot water cavity 31 of the valve body 8, then enters the mixed water cavity 32 through the hot water valve port 66, the cold water and the hot water are fully mixed in the mixed water cavity 32 and flow out through the mixed water outlet 62, in the flowing process of the valve body 8, the change of the water temperature at the water outlet is sensed through the temperature sensing element 18 on the valve core 15, feedback information is transmitted to the control panel 24, a set temperature signal sent by a user is received through the control panel 24, the automatic control stepping motor 26 drives the driving gear 27 to be meshed with the driven gear 23, so that the driven gear 23 drives the outer valve rod 22 to rotate, and therefore the outer valve rod 22 drives the inner screw rod 21 to push the valve 20 to move in the vertical direction, the valve 20 is adjusted to a proper position, so that the set temperature is consistent with the outlet water temperature, and stable and reliable constant-temperature outlet water is realized for a user to bath.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a water heater with water valve is mixed to constant temperature, includes water heater body (1), be equipped with inlet tube (4) that are used for pouring into cold water on water heater body (1) and outlet pipe (2) that are used for exporting the hot water, its characterized in that, still be equipped with constant temperature that automatically regulated hot and cold water proportion on water heater body (1) and mix water valve subassembly (3), constant temperature mixes water valve subassembly (3) and is connected with inlet tube (4) and outlet pipe (2) respectively through return bend subassembly (11) of both sides.

2. The water heater with the constant-temperature water mixing valve is characterized in that the elbow assembly (11) further comprises nuts (12) arranged at two ends of the elbow, and the elbow assembly (11) is in locking connection with the constant-temperature water mixing valve assembly (3), the water inlet pipe (4) and the water outlet pipe (2) through the nuts (12) at the two ends.

3. A water heater with a thermostatic mixing valve according to claim 1, characterized in that the thermostatic mixing valve assembly (3) is provided with a flange (10), the flange (10) is fixedly connected with a bracket (5), and the bracket (5) is fixedly connected with the outer shell (101) of the water heater body (1).

4. The water heater with the constant-temperature water mixing valve is characterized in that the constant-temperature water mixing valve assembly (3) comprises a hot water cavity (31), a water mixing cavity (32) and a cold water cavity (33), the cold water cavity (33) comprises a cold water inlet (61) and a cold water inlet (63) for cold water to enter the water heater body (1), the cold water cavity (33) is communicated with a cold water valve port (65) of the water mixing cavity (32), the hot water cavity (31) comprises a hot water inlet (64) communicated with a water outlet pipe (2), the hot water cavity (31) is communicated with a hot water valve port (66) of the water mixing cavity (32), and the water mixing cavity (32) further comprises a water mixing water outlet (62).

5. The water heater with the constant-temperature water mixing valve according to claim 4, wherein the constant-temperature water mixing valve assembly (3) further comprises a valve body (8), a valve core (15), a bottom shell (13) and an upper shell (14), a temperature sensing element (18), a spring (19) and a valve (20) are sequentially arranged inside the valve core (15) along the longitudinal direction, the valve core (15) is fixedly arranged on the axis of the valve body (8) through an inner screw rod (21) and an outer valve rod (22), the inner screw rod (21) is in threaded fit connection with the outer valve rod (22), the bottom shell (13) is fixedly arranged on the valve body (8) through a screw, a stepping motor (26) is fixedly arranged on the bottom shell (13), the output end of the stepping motor (26) is connected with a driving gear (27), one end of the outer valve rod (22) penetrates through the bottom shell (13) and is provided with a driven gear (23), the driving gear (27) is meshed with the driven gear (23), an upper shell (14) is fixedly arranged on the bottom shell (13), and a control panel (24) is arranged inside the upper shell (14).

6. A water heater with thermostatic mixing valve according to claim 5 characterized in that the magnetic rotor (25) and Hall element (16) are arranged in the pipe of the cold water inlet (61) of the thermostatic mixing valve assembly (3).

7. A water heater with a thermostatic mixing valve according to claim 5, characterized in that a temperature sensor (7) is arranged in the pipeline of the mixed water outlet (62) of the thermostatic mixing valve assembly (3).

8. The water heater with the constant-temperature water mixing valve is characterized in that plugs (9) are arranged on two sides of the constant-temperature water mixing valve assembly (3) and inside the hot water cavity (31) and the cold water cavity (33), and a filter screen (17) is arranged inside each plug (9).