Instant power generation type digital display thermostatic valve and water heater

Abstract

The utility model discloses an instant power generation type digital display thermostatic valve and a water heater, the instant power generation type digital display thermostatic valve comprises a shell, a valve body, a thermostatic valve core, a display screen, a temperature sensor and a water flow generator, the valve body is provided with a cold water inlet pipe, a hot water inlet pipe and a warm water outlet pipe; a generator containing cavity, a water inlet flow channel and a water outlet flow channel are formed in the position, close to a warm water outlet cavity of the constant-temperature valve element, of the side end of the valve body, and the water inlet flow channel and the water outlet flow channel are communicated with the generator containing cavity. The inner end of the water flow generator is inserted into the generator containing cavity, and the inner end face of the water flow generator abuts against the valve body in a sealed mode. When water flows through the water flow generator, power is generated immediately, the display screen can display the water outlet temperature in real time according to the water outlet state and the water closing state or the display screen is turned off, a traditional storage battery is replaced, the operation of replacing the storage battery is not needed any more, operation complexity is simplified, electric energy is saved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of thermostatic valve, especially to an instant power generation type digital display thermostatic valve and a water heater comprising the digital display thermostatic valve. BACKGROUND

[0002] At present, the warm water for domestic life is mainly obtained by heating the municipal water supply to high temperature water and then mixing the high temperature water with the low temperature municipal water supply to obtain the warm water suitable for use. The temperature of the warm water can be adjusted by changing the mixing ratio of the high temperature water and the municipal water supply. At present, the digital display thermostatic valve is mainly used when mixing the high temperature water and the municipal water supply.

[0003] The prior art CN213900080U discloses a thermostatic valve with temperature display function, which comprises a thermostatic valve body, a front cover, a rear cover, a display, a temperature sensor and a power supply. A temperature measuring hole is formed in the warm water outlet pipeline of the thermostatic valve body, the temperature sensor is inserted into the temperature measuring hole to measure the temperature of the flowing warm water, the front cover is provided with a display window, the display is installed on the back of the front cover, and the display screen faces the display window. The rear cover is provided with a battery compartment, and the power supply is installed in the battery compartment. This scheme is based on the thermostatic valve, and the display screen and the temperature sensor are powered by the battery. Since the display screen and the temperature sensor consume power when working, the user only needs to use the display screen and the temperature sensor under normal circumstances. If the display screen and the temperature sensor are always in working state, most of the power of the storage battery will be wasted, and the storage battery needs to be replaced frequently. Therefore, the present application provides an instant power generation type digital display thermostatic valve, which generates power when water is discharged and stops power when water is turned off. The display screen can display the water temperature in real time or turn off the screen according to the water discharge and water off state. This water discharge power generation and intermittent display of water temperature according to the water discharge state can replace the storage battery, so that the storage battery does not need to be replaced, the operation complexity is simplified, and the service life is prolonged. SUMMARY

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: an instant power generation type digital display thermostatic valve, which comprises a shell, a valve body, a thermostatic valve core, a display screen, a temperature sensor and a water flow generator. The valve body is provided with a cold water inlet pipeline, a hot water inlet pipeline and a warm water outlet pipeline. The thermostatic valve core is connected with the cold water inlet pipeline, the hot water inlet pipeline and the warm water outlet pipeline,

[0005] The valve body side end is close to the warm water outlet cavity of the thermostatic valve core, and is provided with a generator accommodating cavity, and a water inlet flow channel and a water outlet flow channel communicated with the generator accommodating cavity; the inner end of the water flow generator is inserted into the generator accommodating cavity and is sealed against the valve body; the water inlet flow channel connects the warm water outlet cavity of the thermostatic valve core to the water inlet end of the water flow generator; the water outlet flow channel connects the water outlet end of the water flow generator to the warm water outlet pipe; a sealing element is arranged between the outer end of the water flow generator and the generator accommodating cavity; and the temperature sensor is arranged at the flow channel between the inner water inlet end and the water outlet end of the water flow generator.

[0006] As a preferred technical solution, the front end outer surface of the shell is provided with an inwardly recessed display accommodating groove, the display screen is press-fitted into the display accommodating groove from the front end outer surface of the shell, and a wire passing hole is arranged on the display accommodating groove.

[0007] As a preferred technical solution, the front end outer surface of the shell is further provided with a display screen cover film or a display screen cover plate.

[0008] As a preferred technical solution, the display screen is electrically connected to the water flow generator through a wire connector one, and is electrically connected to the temperature sensor through a wire connector two.

[0009] As a preferred technical solution, the water inlet flow channel is arranged at the side wall of the generator accommodating cavity and corresponds to the water inlet end arranged on the circumferential side of the water flow generator, and the water outlet flow channel is arranged at the inner end of the generator accommodating cavity and corresponds to the water outlet end arranged on the bottom of the water flow generator.

[0010] Or the water inlet flow channel is arranged at the inner end of the generator accommodating cavity and corresponds to the water inlet end arranged on the bottom of the water flow generator, and the water outlet flow channel is arranged at the side wall of the generator accommodating cavity and corresponds to the water outlet end arranged on the circumferential side of the water flow generator.

[0011] As a preferred technical solution, the generator accommodating cavity is integrally formed on the valve body and arranged close to the warm water outlet cavity of the thermostatic valve core.

[0012] The valve body comprises a water mixing valve body and a switch valve body, the water mixing valve body and the switch valve body are detachably connected, and the generator accommodating cavity is integrally formed on the water mixing valve body and arranged close to the warm water outlet cavity of the thermostatic valve core.

[0013] The valve body comprises a water mixing valve body and split valve one and split valve two arranged on both sides of the water mixing valve body, the split valve one, the split valve two and the water mixing valve body are detachably connected, and the generator accommodating cavity is integrally formed on the split valve two and arranged close to the warm water outlet cavity of the thermostatic valve core.

[0014] As a preferred technical scheme, the water inlet end of the water current generator is provided with a filter screen.

[0015] As a preferred technical scheme, the water current generator is externally screwed into the generator accommodating cavity.

[0016] As a preferred technical scheme, the display screen is a liquid crystal display screen or an LED display screen.

[0017] As a preferred technical scheme, the water heater comprises a shell and an inner container, the inner container is provided with a water inlet and a water outlet, and further comprises the instant power generation type digital display constant temperature valve, the cold water outlet pipe of the constant temperature valve is connected with the water inlet of the inner container, and the hot water inlet pipe of the constant temperature valve is connected with the water outlet of the inner container.

[0018] Due to the adoption of the above technical scheme, the application has the advantages that: the constant temperature valve is taken as a carrier, the water current generator, the temperature sensor and the display screen are installed on the constant temperature valve, the temperature sensor and the display screen are driven by the electric energy generated by the water current generator, the mixed water temperature detected by the temperature sensor can be directly displayed on the display screen, the user is prevented from being scalded by hot water, the use is safer, the water temperature does not need to be adjusted by trial and error, time and water resources are saved, the water current generates electricity immediately when the water current passes through the water current generator, the water current generator stops generating electricity when the water is turned off, the display screen can display the water outlet temperature in real time or turn off the screen according to the water outlet and water off states, the water outlet generates electricity immediately, the water outlet temperature can be dynamically and intermittently displayed according to the water outlet state, an instant power generation type digital display constant temperature valve is realized, the traditional storage battery is replaced, the operation complexity is simplified, the electric energy is saved, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0019] The following drawings are only intended to schematically illustrate and explain the application, and do not limit the scope of the application.

[0020] Figure 1 is a structural schematic diagram of the embodiment one of the application;

[0021] Figure 2 is a structural split diagram of the embodiment one of the application;

[0022] Figure 3 is an internal structural schematic diagram of the embodiment one of the application;

[0023] Figure 4 is a state diagram of the water current generator before installation of the embodiment one of the application;

[0024] Figure 5 is a principle diagram of the water current generator after installation of the embodiment one of the application;

[0025] Figure 6 is a structural schematic view of the water current generator of the embodiment one of the utility model;

[0026] Figure 7 is the connection schematic view of the water current generator and the display screen of the embodiment one of the utility model;

[0027] Figure 8 is a structural schematic view of the embodiment two of the utility model;

[0028] Figure 9 is the internal structure schematic view of the embodiment two of the utility model;

[0029] Figure 10 is the installation principle view of the water current generator of the embodiment two of the utility model;

[0030] Figure 11 is the internal structure schematic view of the embodiment three of the utility model;

[0031] Figure 12 is the installation principle view of the water current generator of the embodiment three of the utility model;

[0032] In the drawing: 1 - shell, 2 - valve body, 2a - mixed water valve body, 2b - switch valve body, 2c - split valve one, 2d - split valve two, 3 - thermostatic valve core, 4 - display screen, 5 - water current generator, 6 - cold water inlet pipe, 7 - hot water inlet pipe, 8 - warm water outlet pipe, 9 - warm water outlet cavity, 10 - generator containing cavity, 11 - water inlet flow channel, 12 - water outlet flow channel, 13 - sealing element, 14 - sealing ring, 15 - display container slot, 16 - display screen cover plate, 17 - wire connector one, 18 - wire connector two. DETAILED DESCRIPTION

[0033] The utility model is further described below in combination with the drawings and embodiments. In the following detailed description, only certain exemplary embodiments of the utility model are described by way of illustration. It is needless to say that those skilled in the art can realize that the described embodiments can be modified in various ways without departing from the spirit and scope of the utility model. Therefore, the drawings and description are illustrative in nature and are not used to limit the protection scope of the claims.

[0034] Embodiment one:

[0035] As Figures 1 to 4As shown, an instant power generation type digital display thermostatic valve comprises a housing 1, a valve body 2, a thermostatic valve core 3, a display screen 4, a temperature sensor (not shown in the figure) and a water flow generator 5, the valve body 2 is provided with a cold water inlet pipe 6, a hot water inlet pipe 7 and a warm water outlet pipe 8, the thermostatic valve core 3 communicates the cold water inlet pipe 6, the hot water inlet pipe 7 and the warm water outlet pipe 8, the display screen 4 is electrically connected with the temperature sensor, and the display screen 4 and the temperature sensor are respectively electrically connected with the water flow generator 5. In this embodiment, the thermostatic valve is taken as a carrier, the water flow generator 5, the temperature sensor and the display screen 4 are mounted thereon, the temperature sensor detects the mixed water temperature which can be directly displayed on the display screen 4 by using the electric energy generated by the water flow generator 5, so that people are prevented from being scalded by hot water, the use is safer, and the water temperature does not need to be adjusted by trial and error, which is beneficial to saving time and water resources; the water flow generates electricity immediately when passing through the water flow generator 5, the water flow generator 5 stops generating electricity when the water is turned off, and the display screen 4 can display the outlet water temperature in real time or turn off the screen according to the outlet water and off water state. This kind of outlet water generates electricity immediately, and the outlet water temperature can be dynamically and intermittently displayed according to the outlet water state, so that an instant power generation type digital display thermostatic valve is realized, the traditional storage battery is replaced, the operation of replacing the storage battery is no longer needed, the operation complexity is simplified, the electric energy is saved, and the service life is prolonged.

[0036] Referring to Figure 4 and Figure 5 , the valve body 2 is provided with a generator accommodating cavity 10 and water inlet flow channels 11 and water outlet flow channels 12 which communicate with the generator accommodating cavity 10 near the warm water outlet cavity 9 of the thermostatic valve core 3, the inner end of the water flow generator 5 is inserted into the generator accommodating cavity 10 and the inner end face is sealed against the valve body 2, the water inlet flow channels 11 communicate the warm water outlet cavity 9 of the thermostatic valve core 3 to the water inlet end of the water flow generator 5, the water outlet flow channels 12 communicate the water outlet end of the water flow generator 5 to the warm water outlet pipe 8, and the outer end of the water flow generator 5 is provided with a sealing element 13 between the generator accommodating cavity 10, the sealing element 13 is a sealing ring arranged on the outer periphery of the water flow generator, and the temperature sensor is arranged at the flow channel between the water inlet end and the water outlet end of the water flow generator 5.

[0037] In order to facilitate the quick installation of the water flow generator 5, the generator accommodating cavity 10 is integrally formed on the valve body 2, and the generator accommodating cavity 10 is located at the side end of the valve body 2 (see Figure 4The left end or the right end of the water flow generator 5 can be directly inserted from the outside to the inside of the valve body 2, the shell 1 can be removed without disassembling the valve body 2, the water flow generator 5 can be replaced, and the water flow generator 5 is convenient to disassemble and assemble and convenient to maintain. The water inlet channel 11 and the water outlet channel 12 are reasonably arranged, the hot water in the hot water outlet cavity 9 of the thermostatic valve core 3 can be stably introduced into the water flow generator 5, the water flow generator 5 is driven to work, and the water inlet channel 11 and the water outlet channel 12 are vertically arranged, and the water flow is reversed to better meet the driving of the water flow generator 5.

[0038] In the embodiment, the valve body 2 includes a mixing valve body 2a and a switch valve body 2b, the mixing valve body 2a and the switch valve body 2b are detachably connected, the cold water inlet pipe 6, the hot water inlet pipe 7 and the switch knob are arranged on the switch valve body 2b, and the thermostatic valve core 3 and the hot water outlet pipe 8 are arranged on the mixing valve body 2a. At this time, the generator accommodating cavity 10 is integrally formed when the mixing valve body 2a is processed, and the generator accommodating cavity 10 is arranged close to the hot water outlet cavity 9 of the thermostatic valve core 3.

[0039] The generator accommodating cavity 10 is integrally formed when the mixing valve body 2a is processed, the processing is convenient, the cost is low, the structural strength is high, when the water flow generator 5 is inserted and arranged from the outside to the inside of the generator accommodating cavity 10, the water flow generator 5 is fixed in the generator accommodating cavity 10 by screwing, the inner end surface sealing ring 14 of the water flow generator 5 abuts against the shoulder of the valve body 2, and the sealing element 13 of the outer peripheral end of the water flow generator 5 abuts against the outer end peripheral side of the generator accommodating cavity 10, so that the positioning and installation are facilitated, and the sealing property is ensured.

[0040] In the existing thermostatic valve, in order to ensure the structural layout of the valve body 2, a flow channel is formed between the hot water outlet pipe 8 and the hot water outlet cavity 9 of the thermostatic valve core 3. The generator accommodating cavity 10 is integrally formed when the mixing valve body 2a is processed, and the generator accommodating cavity 10 can also serve as a filter screen accommodating cavity. When the thermostatic valve is a non-digital thermostatic valve and does not need to be arranged with the water flow generator 5, an annular filter screen and a plug can be arranged in the cavity, without affecting the normal use of the valve body 2. When the thermostatic valve is a digital thermostatic valve, the water flow generator 5 is directly arranged in the generator accommodating cavity 10, the display screen 4 is arranged on the front cover of the shell 1 and electrically connected by wires. The design of one cavity with multiple functions can reduce the processing cost of the product.

[0041] In the embodiment, the water flow generator 5 adopts a structure of side water inlet and bottom water outlet, which is a product known in the prior art. At this time, the water inlet channel 11 is arranged on the side wall of the generator accommodating cavity 10 and corresponds to the water inlet end arranged on the periphery of the water flow generator 5, and the water outlet channel 12 is arranged on the inner end of the generator accommodating cavity 10 and corresponds to the water outlet end arranged on the bottom of the water flow generator 5. The water inlet end of the water flow generator 5 is provided with a filter screen. For the water flow generator 5 of side water inlet and bottom water outlet, the filter screen is arranged on the water inlet peripheral surface of the water flow generator 5.

[0042] When the faucet is opened, the water outlet pressure can reach 3-5 kg. The current product design of the water flow generator 5 is more sensitive, and only 1 kg of water pressure is required for starting. Therefore, the water flow generator 5 applied to the thermostatic valve can meet the use requirements and realize the effect of water outlet generating electricity.

[0043] In the embodiment, the temperature sensor is integrally arranged in the water flow generator 5. When the water flow generator 5 generates electricity, the temperature sensor can be powered on to measure the temperature. The probe of the temperature sensor is arranged in the flow channel between the water inlet end and the water outlet end in the water flow generator 5. The position is reasonable, does not affect the rapid installation of the water flow generator 5, and can measure the temperature of the water flowing through, which is more accurate.

[0044] The front end outer surface of the shell 1 is provided with an inwardly recessed display accommodating groove 15. The display screen 4 is press-fitted into the display accommodating groove 15 from the front end outer surface of the shell 1. The display accommodating groove 15 is provided with a wire passing hole for the passing of wires. This installation method can also facilitate the replacement of the display screen.

[0045] The front end outer surface of the shell 1 is further provided with a display screen cover film or a display screen cover plate 16. The display screen cover film or the display screen cover plate 16 can adopt a transparent material, does not affect the covering of the display screen 4, and can position and prevent moisture in front of the display screen 4. Or adopt a non-transparent material, and a screen display area is arranged on the surface to position, shield and prevent moisture of the outer ring of the display screen 4.

[0046] The display screen 4 and the water flow generator 5 are electrically connected through a wire connector one 17, and the display screen 4 and the temperature sensor are electrically connected through a wire connector two 18. The wire connector one 17 and the wire connector two 18 are quick connectors commonly used in the prior art. The male head and the female head are inserted and connected quickly, which is convenient to connect.

[0047] The display screen 4 is a liquid crystal display screen 4 or an LED display screen 4.

[0048] The shell 1 is installed by the front cover and the back cover, and is convenient to disassemble.

[0049] Embodiment two:

[0050] The main difference between this embodiment and embodiment one is that the structure of the water flow generator 5 is different, and the corresponding water inlet channel 11 and water outlet channel 12 are also arranged differently. See Figures 8 to 10 In this embodiment, the water flow generator 5 adopts a structure of bottom water inlet and side water outlet, at this time the water inlet channel 11 is arranged at the inner end of the generator accommodating cavity 10 and corresponds to the water inlet end of the water flow generator 5 arranged at the bottom, the water outlet channel 12 is arranged at the side wall of the generator accommodating cavity 10 and corresponds to the water outlet end of the water flow generator 5 arranged at the periphery, and the water inlet end of the water flow generator 5 is provided with a filter screen. For the water flow generator 5 of bottom water inlet and side water outlet, the filter screen is arranged at the bottom end surface of the water flow generator 5.

[0051] In this embodiment, the valve body 2 includes a water mixing valve body 2a and split valve one 2c and split valve two 2d arranged on both sides of the water mixing valve body 2a, the split valve one 2c, the split valve two 2d and the water mixing valve body 2a are detachably connected, the cold water inlet pipe 6 and the cold water outlet pipe are arranged on the split valve one 2c, the thermostatic valve core 3 is arranged on the water mixing valve body 2a, and the hot water inlet pipe 7 and the warm water outlet pipe 8 are arranged on the split valve two 2d, at this time the generator accommodating cavity 10 is integrally formed when the split valve two 2d is processed, and the generator accommodating cavity 10 is arranged close to the warm water outlet cavity 9 of the thermostatic valve core 3, see Figure 9 and Figure 10 When the split valve two 2d and the water mixing valve body 2a are assembled, the water inlet channel 11 of the generator accommodating cavity 10 is in communication with the warm water outlet cavity 9 of the thermostatic valve core 2.

[0052] Embodiment three:

[0053] In this embodiment, the valve body 2 is an integrated valve body, see Figure 11 and Figure 12 At this time, the generator accommodating cavity 10 is integrally formed when the valve body 2 is processed, and the generator accommodating cavity 10 is arranged close to the warm water outlet cavity 9 of the thermostatic valve core 3.

[0054] Embodiment four:

[0055] The water heater comprises a shell and an inner container, the inner container is provided with a water inlet and a water outlet, and further comprises the instant power generation type digital display thermostatic valve described above, the cold water outlet pipe of the thermostatic valve is connected with the water inlet of the inner container, and the hot water inlet pipe 7 of the thermostatic valve is connected with the water outlet of the inner container. This embodiment is further designed on the basis of embodiment two, and the thermostatic valve of embodiment two can be applied to the water heater.

[0056] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An instant power generation digital display thermostatic valve, comprising a housing, a valve body, a thermostatic valve core, a display screen, a temperature sensor and a water flow generator, the valve body is provided with a cold water inlet pipe, a hot water inlet pipe and a warm water outlet pipe, the thermostatic valve core is communicated with the cold water inlet pipe, the hot water inlet pipe and the warm water outlet pipe, characterized in that: the side end of the valve body is provided with a generator accommodating cavity near the warm water outlet cavity of the thermostatic valve core, and a water inlet flow channel and a water outlet flow channel communicated with the generator accommodating cavity, the inner end of the water flow generator is inserted and installed in the generator accommodating cavity and the inner end face is sealed against the valve body, the water inlet flow channel is communicated from the warm water outlet cavity of the thermostatic valve core to the water inlet end of the water flow generator, the water outlet flow channel is communicated from the water outlet end of the water flow generator to the warm water outlet pipe, a sealing element is arranged between the outer end of the water flow generator and the generator accommodating cavity, and the temperature sensor is arranged at the flow channel between the inner water inlet end and the water outlet end of the water flow generator. The front end outer surface of the housing is provided with an inwardly recessed display accommodating groove, the display screen is press-fitted in the display accommodating groove from the front end outer surface of the housing, and a wire passing hole is arranged on the display accommodating groove.

2. The instant generation digital thermostatic valve according to claim 1, wherein: The front end outer surface of the housing is further provided with a display screen cover film or a display screen cover plate.

3. The instant electric digital thermostat valve as set forth in claim 2, wherein: The display screen is electrically connected with the water flow generator through a wire connector one, and is electrically connected with the temperature sensor through a wire connector two.

4. The instant electric digital thermostat valve as set forth in claim 1, wherein: The water inlet flow channel is arranged corresponding to the water inlet end arranged on the circumferential side of the water flow generator between the side wall of the generator accommodating cavity and the water flow generator, and the water outlet flow channel is arranged corresponding to the water outlet end arranged on the bottom of the water flow generator between the inner end of the generator accommodating cavity and the water flow generator.

5. The instant electric digital thermostat valve as set forth in claim 1, wherein: The water inlet flow channel is arranged corresponding to the water inlet end arranged on the bottom of the water flow generator between the inner end of the generator accommodating cavity and the water flow generator, and the water outlet flow channel is arranged corresponding to the water outlet end arranged on the circumferential side of the water flow generator between the side wall of the generator accommodating cavity and the water flow generator. The generator accommodating cavity is integrally formed on the valve body and arranged near the warm water outlet cavity of the thermostatic valve core.

6. The instant electric digital thermostat valve as set forth in claim 1, wherein: The valve body comprises a mixing valve body and a switch valve body, the mixing valve body and the switch valve body are detachably connected, and the generator accommodating cavity is integrally formed on the mixing valve body and arranged near the warm water outlet cavity of the thermostatic valve core. The valve body comprises a mixing valve body and split valve one and split valve two arranged on both sides of the mixing valve body, the split valve one, the split valve two and the mixing valve body are detachably connected, and the generator accommodating cavity is integrally formed on the split valve two and arranged near the warm water outlet cavity of the thermostatic valve core. The water inlet end of the water flow generator is provided with a filter screen.

7. The instant electric digital thermostat valve as set forth in claim 1, wherein: The water flow generator is externally threadedly connected in the generator accommodating cavity.

8. The instant electric digital thermostat valve as set forth in claim 1, wherein: The display screen is a liquid crystal display screen or an LED display screen.

9. The instant electric digital thermostat valve as set forth in claim 1, wherein: The instant power generation digital display thermostatic valve of any one of claims 1 to 9 is further provided, the cold water outlet pipe of the thermostatic valve is connected with the water inlet of the inner container, and the hot water inlet pipe of the thermostatic valve is connected with the water outlet of the inner container.

10. A water heater comprising a housing and an inner tank, the inner tank having a water inlet and a water outlet, characterised by: ​

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