CN220168708U - Waterway connecting device and hot water preparation system - Google Patents

Abstract

The utility model belongs to the technical field of hot water preparation, and particularly relates to a waterway connecting device and a hot water preparation system. The utility model aims to solve the technical problems of poor stability and complicated adjustment of the outlet water temperature of the existing water heater. The waterway connecting device comprises an electronic thermostatic valve, a control board, a shell and a pipeline component, wherein the electronic thermostatic valve comprises a valve body, a motor and a valve core component, the control board is electrically connected with the motor, the control board is configured to control the motor to rotate and drive the valve core component to move so as to adjust the water inlet proportion of the first water inlet channel and the second water inlet channel towards the valve cavity, control the water outlet temperature, ensure the stability of the water outlet temperature, and is simple and convenient to operate. The shell is arranged to form a modularized structure, the water heater and the tap water pipe are connected through the two water inlet pipes, the water equipment or the other water heater is connected through the water outlet pipe, and the water heater is simple in installation operation, high in efficiency and convenient to connect with the existing water heater.

Description

Waterway connecting device and hot water preparation system

Technical Field

The utility model belongs to the technical field of hot water preparation, and particularly relates to a waterway connecting device and a hot water preparation system.

Background

The water heater is a device which can raise the temperature of cold water to become hot water in a certain time by various physical principles and is widely applied to life. According to different heating modes, the water heater is generally divided into an electric water heater, a gas water heater, a solar water heater and the like. When the water heater is used, the stability of the outlet water temperature of the water equipment terminal is more and more concerned by users.

In the related art, most users adjust the outlet water temperature by adjusting the water mixing valve of the water equipment terminal, not only the repeated adjustment is needed, but also the outlet water temperature stability is poor. In some schemes, the valve is added at the water outlet end of the water heater to adjust the water temperature, so that the pipeline is required to be rearranged, wires are required to be arranged to be connected to the water heater, and the water heater is complicated in modification and high in workload.

In view of this, the present utility model provides a waterway connection device and a hot water preparation system that can conveniently adjust the outlet water temperature and stabilize the outlet water temperature.

Disclosure of Invention

In order to solve the problems in the prior art, namely to solve the technical problems of poor stability and complicated adjustment of the outlet water temperature of the existing water heater.

The first aspect of the present utility model provides a waterway connection device, including: an electronic thermostatic valve, a control panel, a housing and a pipeline assembly;

the electronic thermostatic valve comprises a valve body, a motor and a valve core assembly, wherein a valve cavity, a first water inlet channel, a second water inlet channel and a water outlet channel are formed in the valve body, the first water inlet channel, the second water inlet channel and the water outlet channel are all communicated with the valve cavity, at least part of the valve core assembly is installed in the valve cavity, the valve core assembly is connected with the motor, and the valve core assembly is configured to move under the driving of the motor so as to adjust the water inlet proportion of the first water inlet channel and the second water inlet channel towards the valve cavity;

the electronic thermostatic valve and the control panel are both arranged in the shell;

the pipeline assembly comprises a first water inlet pipe, a second water inlet pipe and a water outlet pipe, one end of the first water inlet pipe is communicated with the first water inlet channel, and the other end of the first water inlet pipe extends out of the shell; one end of the second water inlet pipe is communicated with the second water inlet channel, and the other end of the second water inlet pipe extends out of the outer shell; one end of the water outlet pipe is communicated with the water outlet channel, and the other end of the water outlet pipe extends out of the outer shell;

the control board is electrically connected with the motor, and the control board is configured to control the motor to rotate so as to adjust the water inlet proportion of the first water inlet channel and the second water inlet channel towards the valve cavity.

In an alternative technical scheme of the waterway connection device, the valve cavity is provided with a first end and a second end along a preset direction, the motor is arranged at the first end of the valve cavity, and the water outlet channel is arranged at the second end of the valve cavity; the valve cavity is communicated with the first water inlet channel through a first communication port arranged on the side wall of the valve cavity, the valve cavity is communicated with the second water inlet channel through a second communication port arranged on the side wall of the valve cavity, and the first communication port and the second communication port are arranged at intervals along the preset direction; the motor is configured to drive the valve core assembly to move along the preset direction so as to adjust the opening proportion of the first communication port and the second communication port, thereby adjusting the water inlet proportion of the first water inlet channel and the second water inlet channel towards the valve cavity.

In an alternative technical scheme of the waterway connecting device, the valve core assembly comprises a connecting shaft, a stud, a plunger and a push rod, wherein one end of the connecting shaft is fixedly connected with the motor, and the other end of the connecting shaft is in threaded connection with the stud; the stud is rotatably connected with the push rod; the plunger comprises an adjusting sleeve and a connecting part arranged in the adjusting sleeve, the connecting part is connected with the push rod, and the positions of the adjusting sleeve, the first communicating port and the second communicating port are adjusted when the plunger moves along the preset direction.

In an optional technical scheme of the waterway connection device, the valve core assembly further comprises a temperature sensing mandrel and a first elastic piece, a mounting cavity which faces to the plunger opening is formed in the stud, and the first elastic piece is mounted in the mounting cavity; one end of the push rod is abutted with the first elastic piece; one end of the temperature sensing core rod is connected with the other end of the push rod, and the water outlet channel is positioned at the other end of the temperature sensing core rod; the temperature-sensing core rod is configured to expand with heat and contract with cold according to the water temperature in the valve cavity, and the plunger is driven to move along the preset direction through the push rod.

In an optional technical scheme of the waterway connection device, the waterway connection device further comprises a communication module, and the communication module is electrically connected with the control board.

In the above-mentioned water route connecting device's optional technical scheme, water route connecting device still includes display screen and operation button, the display screen with the operation button all install in on the shell, the display screen with the operation button all with control panel electric connection.

In an optional technical scheme of the waterway connection device, the waterway connection device further comprises a first check valve and a second check valve, and the first check valve and the second check valve are both positioned in the shell; the first one-way valve is mounted on the first water inlet pipe or the first water inlet channel, and the first one-way valve is configured to enable water flow to flow from the first water inlet pipe to the first water inlet channel in a one-way manner; the second one-way valve is mounted on the second water inlet pipe or the second water inlet channel, and the second one-way valve is configured to enable water flow to flow from the second water inlet pipe to the second water inlet channel in a one-way mode.

In an optional technical scheme of the waterway connection device, the waterway connection device further comprises a first temperature sensor, a second temperature sensor and a water flow sensor, wherein the first temperature sensor is used for detecting the temperature of the first water inlet channel or the second water inlet channel, and the second temperature sensor is used for detecting the temperature of the water outlet channel; the water flow sensor is arranged on the water outlet pipe; the first temperature sensor, the second temperature sensor and the water flow sensor are electrically connected with the control board.

A second aspect of the present utility model provides a hot water preparation system comprising: the water outlet of the first water heater is communicated with a first water inlet pipe of the water path connecting device, and a second water inlet pipe of the water path connecting device is used for communicating a tap water pipe.

In an optional technical scheme of the hot water preparation system, the hot water preparation system further comprises a second water heater, a water inlet of the second water heater is communicated with a water outlet pipe of the waterway connection device, and the second water heater is electrically connected with a control board of the waterway connection device; the control board is configured to control the water outlet temperature of the water outlet pipe of the waterway connection device to be a preset target water outlet temperature and control the second water heater to be turned off when the water inlet temperature of the first water inlet pipe is greater than a preset temperature threshold; the control board is further configured to control the water outlet temperature of the water outlet pipe to be a preset set temperature when the water inlet temperature of the first water inlet pipe is smaller than or equal to the temperature threshold, control the second water heater to start heating, and control the heating temperature of the second water heater to be the target water outlet temperature.

As can be appreciated by those skilled in the art, the hot water preparation system of the present utility model adjusts the water temperature through the waterway connection device, the waterway connection device comprises an electronic thermostatic valve, a control board, a housing and a pipe assembly, the electronic thermostatic valve comprises a valve body, a motor and a valve core assembly, a valve cavity, a first water inlet channel, a second water inlet channel and a water outlet channel are formed in the valve body, the first water inlet channel, the second water inlet channel and the water outlet channel are all communicated with the valve cavity, at least part of the valve core assembly is installed in the valve cavity, and the valve core assembly is connected with the motor; the control panel is configured to control the motor to rotate to drive the valve core assembly to move so as to adjust the water inlet proportion of the first water inlet channel and the second water inlet channel towards the valve cavity, control the water outlet temperature, ensure the stability of the water outlet temperature and be simple and convenient to operate.

The electronic thermostatic valve and the control board are both arranged in the shell; the pipeline assembly comprises a first water inlet pipe, a second water inlet pipe and a water outlet pipe, one end of the first water inlet pipe is communicated with the first water inlet channel, and the other end of the first water inlet pipe extends out of the shell; one end of the second water inlet pipe is communicated with the second water inlet channel, and the other end of the second water inlet pipe extends out of the outer shell; one end of the water outlet pipe is communicated with the water outlet channel, and the other end of the water outlet pipe extends out of the outer shell. The waterway connecting device forms a modularized structure by arranging the shell, utilizes two water inlet pipes to connect the water heater and the tap water pipe, utilizes the water outlet pipe to connect water equipment or another water heater, has simple installation and operation and high efficiency, and is convenient to connect with the existing water heater.

Drawings

Alternative implementations of waterway connection devices and hot water preparation systems according to embodiments of the present utility model are described below with reference to the accompanying drawings. The attached drawings are as follows:

fig. 1 is a schematic structural diagram of a waterway connection device according to a first embodiment of the present utility model;

fig. 2 is a schematic diagram of an internal structure of a waterway connection device according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an electronic thermostatic valve of a waterway connection device according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a schematic diagram of a waterway connection device according to a second embodiment of the present utility model;

FIG. 6 is a schematic diagram of a hot water preparation system according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of another hot water preparing system according to an embodiment of the present utility model.

In the accompanying drawings: 100: an electronic thermostatic valve; 110: a valve body; 111: a valve cavity; 112: a first water inlet channel; 1121: a first connection port; 113: a second water inlet channel; 1131: a second connection port; 114: a water outlet channel; 115: a mounting part; 120: a motor; 130: a valve core assembly; 131: a connecting shaft; 132: a stud; 1321: a mounting cavity; 133: a plunger; 1331: adjusting the sleeve; 1332: a connection part; 134: a push rod; 135: a temperature-sensing core rod; 136: a first elastic member; 137: a sealing sleeve; 138: a second elastic member; 140: a connection housing; 150: a support;

200: a control board; 210: a first temperature sensor; 220: a second temperature sensor; 230: a cable; 300: a housing;

400: a conduit assembly; 410: a first water inlet pipe; 411: a first one-way valve; 420: a second water inlet pipe; 421: a second one-way valve; 430: a water outlet pipe; 431: a water flow sensor;

500: a communication module; 610: a display screen; 620: operating the key;

1000: a waterway connection device; 2000: a first water heater; 3000: a tap water pipe; 4000: a second water heater; 5000: and (5) using water equipment.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the embodiments of the present utility model, and are not intended to limit the protection scope of the embodiments of the present utility model. Those skilled in the art can adapt it as desired to suit a particular application.

Further, it should be noted that, in the description of the embodiments of the present utility model, terms such as directions or positional relationships indicated by the terms "inner", "outer", and the like are based on directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or the member must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

Furthermore, it should be noted that, in the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two components. The specific meaning of the above terms in the embodiments of the present utility model can be understood by those skilled in the art according to the specific circumstances.

The water heater is a device which can raise the temperature of cold water to become hot water in a certain time by various physical principles and is widely applied to life. According to different heating modes, the water heater is generally divided into an electric water heater, a gas water heater, a solar water heater and the like. When the water heater is used, the stability of the outlet water temperature of the water equipment terminal is more and more concerned by users.

For example, the solar water heater has the advantages of energy conservation, environmental protection, no noise and the like, but the solar water heater is greatly influenced by weather, has poor heating effect in overcast weather or winter with low air temperature, and cannot directly utilize low-temperature water; in the summer that the weather is clear, it is effectual to heat, in the in-process that uses solar water heater, most users adjust the play water temperature through the mixing valve of adjusting water equipment terminal, not only need adjust repeatedly, and play water temperature stability poor, have the problem of high temperature scald.

For another example, in order to make up for the drawbacks of the solar water heater, users often install the solar water heater together with the gas water heater, and use the solar water heater when weather is good; when the solar water heater is insufficient in heating, the gas water heater is used. Thus, the low-temperature water of the solar water heater still cannot be utilized, and the solar energy utilization efficiency is low; the user independently uses solar water heater and gas heater respectively, and both linkage performance is poor. In order to improve the stability of the water outlet temperature of the water equipment end, valves are respectively arranged at the water outlet ports of the solar water heater and the gas water heater to adjust the water temperature, so that pipelines are required to be rearranged, wires are required to be arranged to be connected to the water heater, and the water heater is complicated in modification and high in workload.

In view of the above, the embodiment of the utility model provides a waterway connection device, which comprises an electronic thermostatic valve, a control board, a shell and a pipeline, wherein the electronic thermostatic valve and the control valve are both arranged in the shell, and the control board is electrically connected with the electronic thermostatic valve so as to control the water outlet temperature, ensure the stability of the water outlet temperature, and is simple and convenient to operate. In addition, the two water inlet ports of the waterway connecting device are connected to the water heater and the tap water pipe, and the water outlet port is connected to water using equipment or another water heater, so that the waterway connecting device is simple in application and installation and small in workload.

The following describes an alternative technical scheme of the waterway connection device and the hot water preparation system according to the embodiment of the present utility model with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a waterway connection device according to a first embodiment of the present utility model;

fig. 2 is a schematic diagram of an internal structure of a waterway connection device according to an embodiment of the present utility model; FIG. 3 is a schematic view of an electronic thermostatic valve of a waterway connection device according to an embodiment of the present utility model; fig. 4 is a cross-sectional view A-A in fig. 3.

Referring to fig. 1 to 4, a waterway connection device according to an embodiment of the present utility model includes: electronic thermostat valve 100, control board 200, housing 300, and piping assembly 400. The control board 200 controls the electronic thermostat 100 to adjust the outlet water temperature; the pipe assembly 400 serves to feed water into and discharge water from the electronic thermostat 100, and the housing 300 provides an installation space for the electronic thermostat 100, the control board 200, and the pipe assembly 400.

Referring to fig. 3 and 4, the electronic thermostat valve 100 according to the embodiment of the present utility model includes a valve body 110, a motor 120, and a valve core assembly 130, wherein a mounting portion 115 is provided on the valve body 110, and the mounting portion 115 is used for fixing the electronic thermostat valve 100 in a housing 300. The mounting portion 115 may be a lug with a mounting hole provided thereon; the mounting portion 115 may also be a mounting seat, and a threaded hole is provided on the mounting seat.

The valve body 110 has a valve cavity 111, a first water inlet passage 112, a second water inlet passage 113, and a water outlet passage 114 formed therein, and the first water inlet passage 112, the second water inlet passage 113, and the water outlet passage 114 are all in communication with the valve cavity 111, and water in the first water inlet passage 112 and the second water inlet passage 113 is mixed in the valve cavity 111 and discharged through the water outlet passage 114. The water inlet temperature of one of the first water inlet passage 112 and the second water inlet passage 113 is high, and the water inlet temperature of the other of the first water inlet passage 112 and the second water inlet passage 113 is low, and after being mixed through the valve chamber 111, constant temperature water satisfying the temperature requirement is discharged through the water outlet passage 114.

The shape of the valve body 110 is not limited in the embodiment of the present utility model, and the valve body 110 may include a body portion in which the valve cavity 111 is formed, and three pipe portions which respectively form the first water inlet passage 112, the second water inlet passage 113, and the water outlet passage 114.

In the embodiment of the utility model, the opening directions of the first water inlet channel 112, the second water inlet channel 113 and the water outlet channel 114 are different, so that the connection of pipelines is facilitated, and the mutual interference of the installation among the pipelines is avoided. Illustratively, based on the direction shown in fig. 4, the opening direction of the first water inlet passage 112 is downward, the opening direction of the second water inlet passage 113 is rightward, and the opening direction of the water outlet passage 114 is upward.

In the embodiment of the present utility model, the valve chamber 111 has a first end and a second end along a preset direction, the motor 120 is disposed at the first end of the valve chamber 111, and the water outlet channel 114 is disposed at the second end of the valve chamber 111. Based on the direction in fig. 4, the valve chamber 111 extends in a substantially left-right direction, the motor 120 is located at the left end of the valve chamber 111, and the water outlet passage 114 is located at the right end of the valve chamber 111. The cross section of the valve cavity 111 is circular, and the axial direction of the valve cavity 111 is a preset direction. The first water inlet passage 112 and the second water inlet passage 113 are both connected to the side wall of the valve chamber 111. The side wall of the valve cavity 111 is provided with a first communication port 1121 and a second communication port 1131, the first communication port 1121 and the second communication port 1131 are arranged at intervals along a preset direction, the valve cavity 111 is communicated with the first water inlet channel 112 through the first communication port 1121, and the valve cavity 111 is communicated with the second water inlet channel 113 through the second communication port 1131.

It should be noted that, in fig. 4, the first water inlet channel 112 is isolated from the second water inlet channel 113, and in this fig. 4, the first water inlet channel 112 includes a first section extending vertically and a second section connecting the first section and the valve cavity 111, and the second water inlet channel 113 bypasses a side surface of the first section and communicates with the valve cavity 111. Of course, this is only one way of disposing the first water inlet passage 112 and the second water inlet passage 113, and is not limited to the shape and position of the arrangement thereof.

At least part of the valve core assembly 130 is installed in the valve cavity 111, the valve core assembly 130 is connected with the motor 120, the motor 120 is electrically connected with the control board 200, the control board 200 controls the working state of the motor 120, and under the control of the control board 200, the valve core assembly 130 moves along a preset direction under the drive of the motor 120 so as to adjust the opening ratio of the first communication port 1121 and the second communication port 1131, thereby adjusting the water inlet ratio of the first water inlet channel 112 and the second water inlet channel 113 towards the valve cavity 111.

The control board 200 is connected to a cable 230 for supplying power to the control board 200 and electric components such as the motor 120 therein, or for transmitting electric signals.

With continued reference to fig. 3 and 4, the valve core assembly 130 according to the embodiment of the present utility model includes a connecting shaft 131, a stud 132, a plunger 133, and a push rod 134, one end of the connecting shaft 131 is fixedly connected with the motor 120, and the other end of the connecting shaft 131 is in threaded connection with the stud 132; the stud 132 is rotatably coupled to a pushrod 134, and the pushrod 134 is coupled to the plunger 133. In this way, the motor 120 drives the connecting shaft 131 to rotate, thereby driving the stud 132 to rotate and move along the preset direction, and further driving the push rod 134 to move along the preset direction, so as to realize the movement of the plunger 133 along the preset direction, and adjust the area of the plunger 133 blocking the first communication port 1121 and the second communication port 1131, thereby adjusting the opening ratio of the first communication port 1121 and the second communication port 1131.

Here, the motor 120 is located outside the valve body 110, and the connection shaft 131 is fixedly connected to the motor 120 to perform rotation. The electronic thermostatic valve 100 of the embodiment of the utility model further comprises a connecting shell 140, the valve core assembly 130 further comprises a sealing sleeve 137, wherein one end of the connecting shell 140 is fixedly connected with the shell of the motor 120, or one end of the connecting shell 140 is integrally formed with the shell of the motor 120; the other end of the connection housing 140 is fixedly connected with the valve body 110 in a connection manner including, but not limited to, screw connection, flange connection, etc., to ensure the stability of the installation of the motor 120.

Part of the sealing sleeve 137 is located in the valve body 110, and the other part of the sealing sleeve 137 is located in the connection housing 140. The sealing sleeve 137 is fixed between the connection housing 140 and the valve body 110, and a sealing ring is provided between the sealing sleeve 137 and the valve body 110 to perform a sealing function. One end of the connecting shaft 131, which is away from the motor 120, is located in the sealing sleeve 137, a rotary sealing ring is arranged between the connecting shaft 131 and the sealing sleeve 137, and one end of the connecting shaft 131, which is towards the motor 120, penetrates through the sealing sleeve 137 to be fixedly connected with an output shaft of the motor 120. Thus, the water leakage is prevented from occurring while the rotation of the connection shaft 131 is ensured. At least a portion of the stud 132 and pushrod 134 is located within the sealing sleeve 137.

With continued reference to fig. 4, the plunger 133 according to the embodiment of the present utility model includes an adjustment sleeve 1331 and a connection portion 1332 disposed in the adjustment sleeve 1331, where the connection portion 1332 is connected to the push rod 134, and the connection portion 1332 may be a circular plate disposed in the adjustment sleeve 1331, and a through hole is formed in the circular plate, so that water entering through the first communication port 1121 enters into the left side to be mixed with water entering through the second communication port 1131.

The adjusting sleeve 1331 of the embodiment of the utility model is a circular sleeve, is installed in the valve cavity 111, at least partially faces the first communication port 1121 and the second communication port 1131, and the part of the adjusting sleeve 1331 opposite to the first communication port 1121 shields the first communication port 1121, and water in the first water inlet channel 112 enters the valve cavity 111 through the part of the first communication port 1121 staggered with the adjusting sleeve 1331; the portion of the adjustment sleeve 1331 opposite to the second communication port 1131 shields the second communication port 1131, and water in the second water inlet channel 113 enters the valve cavity 111 through the portion of the second communication port 1131 staggered from the adjustment sleeve 1331.

In this way, when the plunger 133 moves in the preset direction, the adjustment sleeve 1331 adjusts the positions of the first communication port 1121 and the second communication port 1131, respectively, so as to adjust the opening areas of the first communication port 1121 and the second communication port 1131, thereby adjusting the water inlet ratio of the first water inlet passage 112 and the second water inlet passage 113.

In order to avoid mixing of the water in the first water inlet passage 112 and the second water inlet passage 113 outside the valve chamber 111, a sealing ring is provided between the side wall of the valve chamber 111 between the first communication port 1121 and the second communication port 1131 and the adjustment sleeve 1331.

Therefore, the valve core assembly 130 of the embodiment of the utility model drives the plunger 133 to move along the preset direction by using the motor 120, the connecting shaft 131, the stud 132 and the push rod 134, and adjusts the water inlet ratio of the first water inlet channel 112 and the second water inlet channel 113 by adjusting the opening areas of the first communication port 1121 and the second communication port 1131, so that the adjustment mode is stable and reliable.

With continued reference to fig. 4, the valve core assembly 130 according to the embodiment of the present utility model further includes a temperature sensing mandrel 135 and a first elastic member 136, in which a mounting cavity 1321 is formed in the stud 132 and is opened toward the plunger 133, and the first elastic member 136 is mounted in the mounting cavity 1321, and the first elastic member 136 may be a spring. One end of the push rod 134 is abutted against the first elastic member 136, and an abutting portion may be provided at an end of the push rod 134 to directly abut against the first elastic member 136; alternatively, the end of the push rod 134 indirectly abuts against the first elastic member 136 through an abutting structure. It should be noted that, the push rod 134 moves only in the preset direction, for example, the first elastic member 136 is fixed relative to the valve body 110, and the stud 132 rotates outside the first elastic member 136, so that the push rod 134 can move only in the preset direction.

One end of the temperature-sensing core rod 135 is connected to the other end of the push rod 134, and the push rod 134 may be directly connected to the plunger 133, or the temperature-sensing core rod 135 may be connected to the plunger 133 but the push rod 134 may be indirectly connected to the plunger 133. The water outlet channel 114 is positioned at the other end of the temperature sensing mandrel 135; the temperature-sensing core rod 135 is configured to expand with heat and contract with cold according to the water temperature in the valve cavity 111, and drives the plunger 133 to move along a preset direction through the push rod 134. For example, paraffin is built in the temperature-sensing core rod 135, and the water temperature is sensed in the valve cavity 111 to expand with heat and contract with cold, so that the plunger 133 is driven by the push rod 134 to move along a preset direction, and the water inlet proportion of the first water inlet channel 112 and the second water inlet channel 113 is automatically adjusted, so that constant-temperature water outlet is ensured.

The thermal expansion and contraction of the temperature-sensing core rod 135 engages with the elastic force of the first elastic member 136 to push the plunger 133 to move in a preset direction. In order to ensure that the temperature sensing core rod 135 can reset when the water temperature is reduced, the valve core assembly 130 of the embodiment of the utility model further comprises a second elastic piece 138, the second elastic piece 138 is sleeved on the outer side of the supporting piece 150, and a boss is formed on the outer surface of the supporting piece 150 so as to be abutted against the second elastic piece 138; the other end of the second elastic member 138 abuts against one end of the valve chamber 111 away from the motor 120, and the support member 150 abuts against the temperature-sensing core rod 135. In this way, the second elastic member 138 indirectly abuts against the temperature-sensitive core rod 135 through the support member 150.

The electronic thermostat valve 100 of the embodiment of the present utility model further includes a support 150 for mounting and supporting the temperature-sensing core rod 135. The support 150 is installed at one end of the valve cavity 111 near the water outlet channel 114, the support 150 is provided with an installation channel for installing the temperature sensing core rod 135, and the sidewall of the support 150 is provided with a water mixing channel, so that cold water and hot water are fully mixed. Of course, the water mixing channel and the installation channel are communicated, so that the temperature-sensing core rod 135 can expand with heat and contract with cold under the action of water temperature.

According to the electronic thermostatic valve 100 provided by the embodiment of the utility model, the plunger 133 is driven by the motor 120 to move along the preset direction, the position of the plunger 133 is initially adjusted, the position of the plunger 133 is adjusted again by the temperature sensing core rod 135, the water inlet proportion of the first water inlet channel 112 and the second water inlet channel 113 is adjusted by adjusting the opening area proportion of the first communication port 1121 and the second communication port 1131, and the water inlet proportion of the first water inlet channel 112 and the second water inlet channel 113 is automatically adjusted, so that constant-temperature water outlet is ensured.

The electronic thermostatic valve 100, the control board 200 and at least part of the pipeline assembly 400 are all arranged in the shell 300, so that the waterway regulating device of the embodiment of the utility model forms a modularized structure and is convenient to install; and the housing 300 is advantageous in protecting its internal structure. In the embodiment of the present utility model, the housing 300 is rectangular parallelepiped in shape, but this is not a limitation on the shape of the housing 300.

With continued reference to fig. 2, the waterway connection device of the embodiment of the present utility model further includes a communication module 500, and the communication module 500 is electrically connected to the control board 200. The control board 200 can be electrically connected with the water heater through the communication module 500, so that the working state of the water heater is controlled, and the control board 200 can also receive the target water outlet temperature set by a user through the communication module 500. The communication module 500 may be a wireless communication device such as a WiFi module, and the communication module 500 may also be a wired communication device such as a 485 line. The communication module 500 is mounted in the housing 300, and the mounting position of the communication module 500 is not limited in the embodiment of the present utility model, for example, the communication module 500 may be mounted under the control board 200. In order to improve the strength of the communication signal, small holes may be uniformly distributed on the housing 300 at a position opposite to the communication module 500.

With continued reference to fig. 1, the waterway connection device according to the embodiment of the present utility model further includes a display screen 610 and an operation key 620, wherein the display screen 610 and the operation key 620 are both mounted on the housing 300, and the display screen 610 and the operation key 620 are both electrically connected to the control board 200. The display screen 610 may be used to display temperature, time, etc. The operation button 620 may be used to adjust the outlet water temperature, etc. The operation keys 620 may be mechanical keys, and the operation keys 620 may also be touch keys provided on the display screen 610. The embodiment of the utility model can conveniently obtain water temperature and the like by arranging the display screen 610, and can conveniently operate the waterway connection device by arranging the operation key 620.

With continued reference to fig. 1 and 2, in order to realize connection of the waterway connection device with a water heater, a water using apparatus, etc., the waterway connection device of the embodiment of the present utility model is provided with a pipe assembly 400 including a first water inlet pipe 410, a second water inlet pipe 420, and a water outlet pipe 430, one end of the first water inlet pipe 410 is communicated with the first water inlet channel 112, and the other end of the first water inlet pipe 410 extends to the outside of the housing 300; one end of the second water inlet pipe 420 is communicated with the second water inlet channel 113, and the other end of the second water inlet pipe 420 extends out of the outer shell 300; one end of the water outlet pipe 430 communicates with the water outlet passage 114, and the other end of the water outlet pipe 430 protrudes to the outside of the housing 300. The connection mode for realizing the pipeline communication is not limited by the embodiment of the utility model, and comprises but is not limited to threaded connection, clamping connection, flange connection and the like.

In some implementations, the first water inlet pipe 410 and the second water inlet pipe 420 extend at the bottom end of the housing 300, and the water outlet pipe 430 extends at the top end of the housing 300, which may facilitate connection of pipes. Of course, this is not a limitation of the location of the various conduit extension locations on the housing 300.

Referring to fig. 2, the waterway connection device of the embodiment of the present utility model further includes a first temperature sensor 210, a second temperature sensor 220, and a water flow sensor 431, where a temperature sensing probe of the first temperature sensor 210 is located in the first water inlet channel 112 or the second water inlet channel 113, and is used for detecting a temperature of the first water inlet channel 112 or the second water inlet channel 113. The first temperature sensor 210 is used to detect the inlet temperature of the hot water, and illustratively, the first inlet channel 112 communicates with the outlet of the water heater through the first inlet pipe 410, and the first temperature sensor 210 determines the outlet temperature of the water heater by detecting the temperature of the water in the first inlet channel 112. The second temperature sensor 220 is used for detecting the temperature of the water outlet channel 114; a water flow sensor 431 is mounted on the outlet pipe 430.

The first temperature sensor 210 and the second temperature sensor 220 may be both installed on the valve body 110, or the first temperature sensor 210 is installed on the first water inlet pipe 410 and the second temperature sensor 220 is installed on the water outlet pipe 430.

The first temperature sensor 210, the second temperature sensor 220, and the water flow sensor 431 are electrically connected to the control board 200. The control board 200 can control the state of the electronic thermostatic valve 100 by detecting the water temperature through the first temperature sensor 210 and the water temperature detected through the second temperature sensor 220, and the control board 200 can control the working state of the water heater according to the water flow signal detected by the water flow sensor 431.

Fig. 5 is a schematic diagram of a waterway connection device according to a second embodiment of the present utility model. Referring to fig. 5, the waterway connection device of the embodiment of the present utility model further includes a first check valve 411 and a second check valve 421, and the first check valve 411 and the second check valve 421 are both located in the housing 300.

The first check valve 411 is installed on the first water inlet pipe 410 or the first water inlet passage 112, and the first check valve 411 is configured such that water flows from the first water inlet pipe 410 to the first water inlet passage 112 in one direction, avoiding reverse flow of water. The first check valve 411 may be a mechanical valve, and the first check valve 411 may also be an electronic check valve, which is opened and closed under the control of the control board 200.

The second check valve 421 is installed on the second water inlet pipe 420 or the second water inlet passage 113, and the second check valve 421 is configured to allow water to flow from the second water inlet pipe 420 to the second water inlet passage 113 in a single direction, avoiding the reverse flow of water. The second check valve 421 may be a mechanical valve, and the second check valve 421 may be an electronic check valve, which is opened and closed under the control of the control board 200.

According to the waterway connection device provided by the embodiment of the utility model, the accuracy of the water flow direction is ensured by arranging the first check valve 411 and the second check valve 421, so that water in the first water inlet pipe 410 is prevented from entering the second water inlet pipe 420 through the electronic constant temperature valve 100, and water in the second water inlet pipe 420 is prevented from entering the first water inlet pipe 410 through the electronic constant temperature valve 100.

FIG. 6 is a schematic diagram of a hot water preparation system according to an embodiment of the present utility model; fig. 7 is a schematic diagram of another hot water preparing system according to an embodiment of the present utility model.

Referring to fig. 6 and 7, an embodiment of the present utility model further provides a hot water preparing system, which includes a first water heater 2000 and the above-mentioned waterway connection device 1000, wherein a water outlet of the first water heater 2000 is communicated with a first water inlet pipe of the waterway connection device 1000 to provide hot water to the waterway connection device 1000, and a second water inlet pipe of the waterway connection device is used for connecting a tap water pipe 3000 to provide cold water to the waterway connection device. In this way, the water path connection device 1000 mixes the hot water of the first water heater 2000 with the cold water of the tap water pipe, and discharges the water with constant temperature, so as to avoid the problem of high-temperature scalding.

Referring to fig. 6, in some embodiments, the first water heater 2000 may be an energy-saving water heater such as a solar water heater, an air-source heat pump water heater, etc., which is beneficial to improving the energy-saving performance of the hot water preparation system. The water outlet pipe of the waterway connection device 1000 is connected with a water device 5000.

The control board may be configured to adjust the electronic thermostat according to the water temperature detected by the first temperature sensor and the water temperature detected by the second temperature sensor so that the outlet water temperature of the outlet water pipe satisfies a preset target outlet water temperature.

Referring to fig. 7, in other embodiments, the hot water preparing system further includes a second water heater 4000, a water inlet of the second water heater 4000 is connected to a water outlet pipe of the waterway connection device, and the second water heater 4000 is electrically connected to a control board of the waterway connection device 1000; the second water heater 4000 comprises a gas water heater, a gas heating furnace, an instant electric water heater and the like, plays a role in auxiliary heating, and ensures the stability of the water outlet temperature of the hot water preparation system.

The control panel is configured to control the outlet water temperature of the outlet pipe of the waterway connection device to be a preset target outlet water temperature when the inlet water temperature of the first inlet pipe is greater than a preset temperature threshold value, and control the second water heater 4000 to be shut down, namely, the water does not need to be heated again, so that energy conservation is facilitated. It will be understood that when the outlet water temperature of the first water heater 2000 is high, it means that the first water heater 2000 is hot enough, and the second water heater 4000 is turned off. Through the adjusting function of the waterway connection device 1000, the outlet water temperature of the outlet pipe is adjusted to be the preset target outlet water temperature, and the constant-temperature water is discharged to the water using device 5000 through the second water heater 4000. In this process, the control board may be electrically connected to the second water heater 4000 through the communication module.

According to the embodiment of the utility model, the water temperature of the first water inlet channel can be detected through the first temperature sensor, and the water inlet temperature of the first water inlet pipe can be determined. By way of example, the preset temperature threshold may be 45 ℃.

The control board is further configured to control the outlet water temperature of the outlet pipe to be a preset set temperature, control the second water heater 4000 to start heating, and control the heating temperature of the second water heater 4000 to be a target outlet water temperature when the inlet water temperature of the first water inlet pipe is less than or equal to a temperature threshold. It can be understood that when the outlet temperature of the first water heater 2000 is low, the water path connection device 1000 automatically reduces the outlet temperature of the electronic thermostatic valve to a preset set temperature, which can be 30 ℃, so as to ensure the stability of the inlet water temperature of the second water heater 4000 in the second inlet pipe, and avoid damage to the components of the second water heater 4000 caused by the inlet of the high-temperature water heater 4000 in the second water heater 2000. Meanwhile, the second water heater 4000 starts heating, and the control board controls the heating temperature of the second water heater 4000 to be the target outlet water temperature. So set up, the hot water of second water heater 4000 is through the second inlet tube entering into electronic thermostatic valve, because the first communication port of electronic thermostatic valve is closed, so hot water is discharged through electronic thermostatic valve and outlet pipe, guarantees the constant temperature water outlet.

Optionally, control valves may be respectively disposed at the water inlet and the water outlet of the first water heater 2000 and the water inlet and the water outlet of the second water heater 4000, so as to ensure accuracy of water flow direction and avoid problems such as reverse flow of water flow.

Through the arrangement, low-temperature hot water of the first water heater 1000 can be fully utilized, and the energy utilization efficiency is improved; the hot water can be prevented from entering the second water heater 4000 to damage the parts of the second water heater 4000, so that the hot water preparation system is more energy-saving and safer.

In summary, in the hot water preparing system according to the embodiment of the present utility model, the water temperature is adjusted by the waterway connection device, the waterway connection device includes the electronic thermostatic valve 100, the control board 200, the housing 300 and the pipe assembly 400, the electronic thermostatic valve 100 includes the valve body 110, the motor 120 and the valve core assembly 130, the valve cavity 111, the first water inlet channel 112, the second water inlet channel 113 and the water outlet channel 114 are formed in the valve body 110, the first water inlet channel 112, the second water inlet channel 113 and the water outlet channel 114 are all communicated with the valve cavity 111, at least part of the valve core assembly 130 is installed in the valve cavity 111, and the valve core assembly 130 is connected with the motor 120; the control board 200 is electrically connected with the motor 120, the control board 200 is configured to control the motor 120 to rotate and drive the valve core assembly 130 to move so as to adjust the water inlet proportion of the first water inlet channel 112 and the second water inlet channel 113 towards the valve cavity 111, control the water outlet temperature, ensure the stability of the water outlet temperature, and is simple and convenient to operate.

Both the electronic thermostat valve 100 and the control board 200 are installed in the housing 300; the pipe assembly 400 includes a first water inlet pipe 410, a second water inlet pipe 420, and a water outlet pipe 430, one end of the first water inlet pipe 410 is communicated with the first water inlet passage 112, and the other end of the first water inlet pipe 410 protrudes to the outside of the housing 300; one end of the second water inlet pipe 420 is communicated with the second water inlet channel 113, and the other end of the second water inlet pipe 420 extends out of the outer shell 300; one end of the water outlet pipe 430 communicates with the water outlet passage 114, and the other end of the water outlet pipe 430 protrudes to the outside of the housing 300. The waterway connecting device of the embodiment of the utility model forms a modularized structure by arranging the shell 300, utilizes two water inlet pipes to connect a water heater and a tap water pipe, utilizes a water outlet pipe to connect water equipment or another water heater, is convenient to connect with the existing water heater, and is simple to refit.

Thus far, the technical solution of the present utility model has been described in connection with the alternative embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (10)

1. A waterway connection device, comprising: an electronic thermostatic valve, a control panel, a housing and a pipeline assembly;

the electronic thermostatic valve comprises a valve body, a motor and a valve core assembly, wherein a valve cavity, a first water inlet channel, a second water inlet channel and a water outlet channel are formed in the valve body, the first water inlet channel, the second water inlet channel and the water outlet channel are all communicated with the valve cavity, at least part of the valve core assembly is installed in the valve cavity, the valve core assembly is connected with the motor, and the valve core assembly is configured to move under the driving of the motor so as to adjust the water inlet proportion of the first water inlet channel and the second water inlet channel towards the valve cavity;

the electronic thermostatic valve and the control panel are both arranged in the shell;

the pipeline assembly comprises a first water inlet pipe, a second water inlet pipe and a water outlet pipe, one end of the first water inlet pipe is communicated with the first water inlet channel, and the other end of the first water inlet pipe extends out of the shell; one end of the second water inlet pipe is communicated with the second water inlet channel, and the other end of the second water inlet pipe extends out of the outer shell; one end of the water outlet pipe is communicated with the water outlet channel, and the other end of the water outlet pipe extends out of the outer shell;

the control board is electrically connected with the motor, and the control board is configured to control the motor to rotate so as to adjust the water inlet proportion of the first water inlet channel and the second water inlet channel towards the valve cavity.

2. The waterway connection device of claim 1, wherein the valve cavity has a first end and a second end along a predetermined direction, the motor is disposed at the first end of the valve cavity, and the water outlet channel is disposed at the second end of the valve cavity; the valve cavity is communicated with the first water inlet channel through a first communication port arranged on the side wall of the valve cavity, the valve cavity is communicated with the second water inlet channel through a second communication port arranged on the side wall of the valve cavity, and the first communication port and the second communication port are arranged at intervals along the preset direction;

the motor is configured to drive the valve core assembly to move along the preset direction so as to adjust the opening proportion of the first communication port and the second communication port, thereby adjusting the water inlet proportion of the first water inlet channel and the second water inlet channel towards the valve cavity.

3. The waterway connection device of claim 2, wherein the valve core assembly includes a connection shaft, a stud, a plunger, and a push rod, one end of the connection shaft is fixedly connected with the motor, and the other end of the connection shaft is in threaded connection with the stud; the stud is rotatably connected with the push rod;

the plunger comprises an adjusting sleeve and a connecting part arranged in the adjusting sleeve, the connecting part is connected with the push rod, and the positions of the adjusting sleeve, the first communicating port and the second communicating port are adjusted when the plunger moves along the preset direction.

4. The waterway connector of claim 3, wherein the valve core assembly further includes a temperature sensing mandrel and a first elastic member, the stud having a mounting cavity formed therein that opens toward the plunger, the first elastic member being mounted in the mounting cavity; one end of the push rod is abutted with the first elastic piece;

one end of the temperature sensing core rod is connected with the other end of the push rod, and the water outlet channel is positioned at the other end of the temperature sensing core rod; the temperature-sensing core rod is configured to expand with heat and contract with cold according to the water temperature in the valve cavity, and the plunger is driven to move along the preset direction through the push rod.

5. The waterway connection device of any of claims 1-4, further comprising a communication module electrically coupled to the control board.

6. The waterway connection device of any of claims 1-4, further comprising a display screen and an operation key, the display screen and the operation key each mounted to the housing, the display screen and the operation key each electrically connected to the control board.

7. The waterway connector of any of claims 1-4, further comprising a first check valve and a second check valve, each positioned within the housing;

the first one-way valve is mounted on the first water inlet pipe or the first water inlet channel, and the first one-way valve is configured to enable water flow to flow from the first water inlet pipe to the first water inlet channel in a one-way manner; the second one-way valve is mounted on the second water inlet pipe or the second water inlet channel, and the second one-way valve is configured to enable water flow to flow from the second water inlet pipe to the second water inlet channel in a one-way mode.

8. The waterway connection device of any of claims 1-4, further comprising a first temperature sensor to detect a temperature of the first water inlet channel or the second water inlet channel, a second temperature sensor to detect a temperature of the water outlet channel, and a water flow sensor; the water flow sensor is arranged on the water outlet pipe;

the first temperature sensor, the second temperature sensor and the water flow sensor are electrically connected with the control board.

9. A hot water preparation system, comprising a first water heater and the waterway connection device of any one of claims 1-7, wherein a water outlet of the first water heater is communicated with a first water inlet pipe of the waterway connection device, and a second water inlet pipe of the waterway connection device is used for communicating a tap water pipe.

10. The hot water preparation system of claim 9, further comprising a second water heater, wherein a water inlet of the second water heater is in communication with a water outlet pipe of the waterway connection device, and wherein the second water heater is electrically connected to a control board of the waterway connection device; the control board is configured to control the water outlet temperature of the water outlet pipe of the waterway connection device to be a preset target water outlet temperature and control the second water heater to be turned off when the water inlet temperature of the first water inlet pipe is greater than a preset temperature threshold; the control board is further configured to control the water outlet temperature of the water outlet pipe to be a preset set temperature when the water inlet temperature of the first water inlet pipe is smaller than or equal to the temperature threshold, control the second water heater to start heating, and control the heating temperature of the second water heater to be the target water outlet temperature.