CN218870042U - Warm water system and watering device - Google Patents

Abstract

The utility model belongs to the technical field of drinking water equipment, specifically provide a warm and hot water system and watering device. The warm water system comprises a water pump, a heat exchanger, a heating body, a valve assembly, a connecting pipeline and a water outlet, wherein the heat exchanger comprises a first flow channel, a second flow channel and a third flow channel; the water pump, the first flow channel and the heating body are sequentially communicated, and the connecting pipeline comprises a first hot water pipeline, a second hot water pipeline, a warm water pipeline and a return pipeline; the first hot water pipeline and the warm water pipeline are communicated with the water outlet through the valve assembly, the second hot water pipeline is communicated with the water inlet end of the second flow channel, one end of the return pipeline is communicated with the water inlet end of the third flow channel, and the other end of the return pipeline is communicated with the warm water pipeline and/or the first hot water pipeline. When the water in warm water pipeline and the first hot water pipeline is cooled to form cold water, cold water can enter the third runner through the return line to exchange heat and heat up, the energy consumption that cold water is heated to the boiling water state is saved, and user experience is improved.

Description

Warm water system and watering device

Technical Field

The utility model relates to a drinking water equipment technical field specifically provides a warm and hot water system and watering device.

Background

At present, the types and functions of water dispensers are various, and the water dispenser with the function of directly discharging warm boiled water flows out the warm boiled water which can be directly drunk after the water is heated to a boiling state and then cooled by a heat exchanger.

Because the heat exchange pipeline in the heat exchanger is longer, when the water dispenser is in standby for a long time or does not take water, the water temperature in the heat exchanger and the connecting pipeline can be reduced, especially when the ambient temperature is too low, the water from the water outlet end of the heating body to the heat exchanger or the water outlet is cooled into cold water, and when a user takes water from the water dispenser, the water outlet temperature of the water dispenser is too low. The existing solution is to heat the cold water in the drinking water machine in a circulating manner, but the cold water in the water machine is heated to boiling water, the boiling water is recovered to the set water outlet temperature after passing through the heat exchanger again, the user needs to wait for a long time, and the user experience is poor.

Accordingly, there is a need in the art for a new warm water system that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem, namely, solving the problem of the long time consuming and overlong time of taking warm water again after the long-time standby of the existing water dispenser.

In a first aspect, the present invention provides a warm boiled water system, which includes a water pump, a heat exchanger, a heating member, a valve assembly, a connecting pipeline, and a water outlet, wherein the heat exchanger includes a first flow passage and a second flow passage; the water pump, the first flow channel and the heating body are sequentially communicated, and the connecting pipeline comprises a first hot water pipeline and a second hot water pipeline which are communicated with the water outlet end of the heating body and a warm water pipeline which is communicated with the water outlet end of the second flow channel; the first hot water pipeline and the warm water pipeline are both communicated with the water outlet through the valve assembly, and the second hot water pipeline is communicated with the water inlet end of the second flow channel; the connecting pipeline further comprises a return pipeline, a third flow channel is arranged on the heat exchanger, one end of the return pipeline is communicated with the water inlet end of the third flow channel, and the other end of the return pipeline is communicated with the warm water pipeline and/or the first hot water pipeline; the water outlet end of the third flow passage is communicated with the water inlet end of the water pump; when the water in the warm water pipeline and the water in the first hot water pipeline are cooled to form cold water, the cold water can enter the third flow channel through the return pipeline to exchange heat and raise the temperature.

In the above preferred technical solution of the warm water boiling system, the return line includes a first return line and a second return line, the first return line is communicated with the warm water pipeline, and the second return line is communicated with the first hot water pipeline.

In the above preferred technical solution of the warm water system, the valve assembly includes an adjusting valve, and the adjusting valve includes a first port communicated with the first hot water pipeline, a second port communicated with the warm water pipeline, and a third port communicated with the water outlet.

In the preferable technical scheme of the warm water boiling system, the valve assembly further comprises a first one-way check valve arranged at the water inlet end of the heating body.

In the preferable technical scheme of the warm water heating system, the valve assembly further comprises a switch valve and a second one-way check valve which are arranged on the return pipeline, the first return pipeline is communicated with the second return pipeline in series, and the second one-way check valve is located between the warm water pipeline and the second return pipeline.

In the preferred technical scheme of the warm boiled water system, a first temperature detector and a second temperature detector are respectively arranged in the water inlet end and the water outlet end of the heating body, and the first temperature detector and the second temperature detector are respectively used for detecting the water temperatures of the water inlet end and the water outlet end of the heating body.

In the preferable technical scheme of the warm boiled water system, the water outlet pipeline is provided with a third temperature detector for detecting the temperature of water in the water outlet pipeline.

In the preferable technical scheme of the warm water heating system, a fourth temperature detector for detecting the temperature of water in the warm water pipeline is arranged on the warm water pipeline.

In the preferable technical scheme of the warm boiled water system, the warm boiled water system further comprises a water tank, and the water outlet end of the water tank is communicated with the water inlet end of the water pump.

In a second aspect, the utility model provides a water drinking device, comprising the warm boiled water system.

As can be understood by those skilled in the art, the warm and boiled water system of the present invention comprises a water pump, a heat exchanger, a heating body, a valve assembly, a connecting pipeline and a water outlet, wherein the heat exchanger comprises a first flow passage and a second flow passage; the water pump, the first flow channel and the heating body are sequentially communicated, and the connecting pipeline comprises a first hot water pipeline and a second hot water pipeline which are communicated with the water outlet end of the heating body, and a warm water pipeline which is communicated with the water outlet end of the second flow channel; the first hot water pipeline and the warm water pipeline are both communicated with the water outlet through the valve component, and the second hot water pipeline is communicated with the water inlet end of the second flow channel; the connecting pipeline further comprises a return pipeline, a third flow channel is arranged on the heat exchanger, one end of the return pipeline is communicated with the water inlet end of the third flow channel, and the other end of the return pipeline is communicated with the warm water pipeline and/or the first hot water pipeline; the water outlet end of the third flow passage is communicated with the water inlet end of the water pump. Through such setting, when the water cooling in warm water pipeline and the first hot water pipeline formed cold water, cold water can carry out the heat transfer in getting into the third runner through return line and heaies up, and then makes cold water preheat the intensification in advance with the help of the heat transfer, and the cold water rapid heating up to the boiling water state of being convenient for has practiced thrift the heating member with cold water to the energy consumption of boiling water state, has shortened user waiting for the water intaking time, promotes user experience.

Furtherly, the valve module is still including setting up ooff valve and the one-way check valve of second on the return line, and first return line and the intercommunication of second return line series connection, the one-way check valve of second are located between warm water pipeline and the second return line. Through such setting, when the ooff valve was closed, the one-way check valve of second can avoid the cold water in the first return line to sneak into in the warm water pipeline, guarantees that the temperature in the warm water pipeline is invariable.

Furthermore, the utility model discloses the watering device who further provides on above-mentioned technical scheme's basis owing to adopted foretell warm water system, therefore possesses the technological effect that above-mentioned warm water system possessed, compares in current watering device, the utility model discloses a watering device's saving the user and getting the latency of warm water, promoted user experience.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of a warm water system of the present invention;

FIG. 2 is a schematic view of the flow direction of the normal water production mode of the warm boiled water system of the present invention;

FIG. 3 is a schematic view of the water flow direction in the cold water reflux mode of the warm water system of the present invention;

fig. 4 is a schematic structural view of the heat exchanger of the present invention.

List of reference numerals:

1. a heat exchanger; 11. a first flow passage; 111. a cold water inlet; 112. a cold water outlet; 12. a second flow passage; 121. a hot water inlet; 122. a warm water outlet; 13. a third flow passage; 131. a reflux inlet; 132. a return outlet; 2. adjusting a valve; 21. a first interface; 22. a second interface; 23. a third interface; 3. a water pump; 4. a heating body; 5. a faucet; 61. a first one-way check valve; 62. a second one-way check valve; 7. an on-off valve; 81. a first temperature detector; 82. a second temperature detector; 83. a third temperature detector; 84. a fourth temperature detector; 9. a water tank; 101. a first hot water line; 102. a second hot water line; 103. a second return line; 104. a first return line.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "inner", "outer", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The problem that the time for taking warm water again after the existing water dispenser is standby for a long time is overlong is pointed out based on the background technology. The utility model provides a warm water system, through with heating member and heat exchanger outlet pipe way to the pipeline between the delivery port cold water advance to flow back to and carry out the heat transfer in the heat exchanger and heat up, practiced thrift the heating member with cold water to the energy consumption of boiling water state, shortened user waiting for the time of getting water, promote user experience. The warm water system of the utility model is described in detail with the water dispenser.

Specifically, referring to fig. 1 to 4, the warm water system of the present invention includes a water tank 9, a water pump 3, a heat exchanger 1, a heating body 4, a valve assembly, a connecting pipeline, and a water outlet formed on a faucet 5. As shown in fig. 4, the heat exchanger 1 is a disc type structure, the heat exchanger 1 includes a hot water pipe, a cold water pipe, and a straight-flow pipe, the hot water pipe exchanges heat with the cold water pipe, and the straight-flow pipe radially penetrates through the center of the disc to exchange heat with the hot water pipe and the cold water pipe. Wherein, a first flow passage 11 is formed in the cold water pipe, a second flow passage 12 is formed in the hot water pipe, and a third flow passage 13 is formed in the straight pipe. The heat exchanger 1 includes a cold water inlet 111, a cold water outlet 112, a hot water inlet 121, a warm water outlet 122, a return inlet 131, and a return outlet 132, the cold water inlet 111 and the cold water outlet 112 are respectively located at both ends of the first flow channel 11, the hot water inlet 121 and the warm water outlet 122 are respectively located at both ends of the second flow channel 12, and the return inlet 131 and the return outlet 132 are respectively located at both ends of the third flow channel 13. The valve assembly comprises a regulating valve 2, which regulating valve 2 comprises a first connection 21, a second connection 22 and a third connection 23.

With continued reference to fig. 1, in the water intake direction, the outlet of the water tank 9 communicates with the inlet of the water pump 3, the outlet of the water pump 3 communicates with the cold water inlet 111 of the heat exchanger 1, and the cold water outlet 112 of the heat exchanger 1 communicates with the inlet of the heating body 4. The connecting pipeline comprises a first hot water pipeline 101, a second hot water pipeline 102, a warm water pipeline and a return pipeline, wherein the return pipeline comprises a first return pipeline 104 and a second return pipeline 103.

With continued reference to fig. 1, the first hot water line 101 and the second hot water line 102 are both connected to the water outlet of the heating body 4, and the warm water line is connected to the water outlet of the second flow channel 12. More specifically, both ends of the first hot water line 101 are respectively communicated with the outlet of the heating body 4 and the first port 21 of the regulating valve 2, both ends of the second hot water line 102 are respectively communicated with the outlet of the heating body 4 and the hot water inlet 121 of the heat exchanger 1, and both ends of the warm water line are respectively communicated with the second port 22 of the regulating valve 2 and the warm water outlet 122 of the heat exchanger 1. The second return pipeline 103 is communicated with the first hot water pipeline 101 and used for returning cold water cooled by the first hot water pipeline 101, and the first return pipeline 104 is communicated with the warm water pipeline and used for returning cold water cooled by the warm water pipeline.

Preferably, with continued reference to fig. 1, the valve assembly includes a first one-way check valve 61, a second one-way check valve 62, and a switching valve 7. Wherein, the first one-way check valve 61 is arranged at the water inlet end of the heating body 4. Through such setting, first one-way check valve 61 can avoid the hot water after heating in heating body 4 to flow out from the end of intaking of heating body 4 is reverse. The second one-way check valve 62 and the switch valve 7 are arranged on the return pipeline, the first return pipeline 104 is communicated with the second return pipeline 103 in series, one end of the second return pipeline 103 is connected into the first return pipeline 104, and the second one-way check valve 62 is positioned between the warm water pipeline and the second return pipeline 103 to prevent the cold water of the second return pipeline 103 from flowing into the warm water pipeline. The cooling cold water in the first hot water pipeline 101 passes through the first return pipeline 104 via the second return pipeline 103 and flows back into the third flow channel 13 via the first return pipeline 104 together with the cooling cold water in the warm water pipeline, the return outlet 132 is communicated with the inlet of the water pump 3, and the cold water after heat exchange circulates in the pipeline to the heating body 4 via the water pump 3 to be heated.

It should be noted that, the present invention does not limit the specific structure of the heat exchanger 1, as long as the heat exchanger 1 can exchange heat with the water in the third flow channel 13, and those skilled in the art can set the heat exchange flow channel structure of the heat exchanger 1 according to actual needs. For example, the heat exchanger 1 may be configured as a tube structure, or the heat exchanger 1 may also be configured as a plate-shaped flow passage structure, etc., and the adjustment and change of the specific heat exchanging structure of the heat exchanger 1 are not deviated from the basic principle and scope of the present invention, and should be limited within the protection scope of the present invention.

In addition, it should be noted that the return outlet 132 of the heat exchanger 1 may also be connected to the water tank 9, or the return outlet 132 may also directly flow back to the cold water inlet 111, as long as a circulation pump is provided in the pipeline, and the flexible adjustment and change of the specific connection pipeline of the return outlet 132 are not deviated from the basic principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, with continued reference to fig. 1, a first temperature detector 81 and a second temperature detector 82 are respectively disposed in the water inlet end and the water outlet end of the heating body 4, and the first temperature detector 81 and the second temperature detector 82 are respectively used for detecting the water temperature at the water inlet end and the water outlet end of the heating body 4. Through such setting, heating member 4 can be according to the temperature of intaking and going out the water end so that the system starts cold water backward flow mode, avoids the interior temperature of water of pipeline to hang down excessively.

Preferably, with continued reference to fig. 1, a third temperature detector 83 for detecting the temperature of the outlet water is disposed between the outlet and the third port 23.

Illustratively, with continued reference to fig. 1, a third temperature detector 83 is provided on the outlet line between the third connection 23 of the regulating valve 2 and the water tap 5. When the water temperature of the water tap 5 is too low, the system can conveniently start the cold water backflow mode, and the phenomenon that the water outlet temperature is too low is avoided.

Continuing with the exemplary embodiment of FIG. 1, a fourth temperature sensor 84 is provided in the warm water line for sensing the temperature of the warm water line. When the temperature of water in the warm water pipeline is too low, the system can conveniently start a cold water reflux mode, and cold water is prevented from being reserved in the warm water pipeline.

When the water dispenser enters a normal water supply mode, referring to fig. 2, the switch valve 7 is closed, and the water pump 3 and the heating body 4 are started. The water pump 3 pumps cold water in the water tank 9 and delivers the cold water to the cold water inlet 111 of the heat exchanger 1, the cold water flows through the first flow channel 11 and then flows out of the cold water outlet 112 and enters the heating body 4, and the heating body 4 heats the inflowing cold water to a boiled water state.

A part of the heated hot water enters the second flow passage 12 of the heat exchanger 1 through the second hot water pipeline 102 and the hot water inlet 121 to exchange heat with the first flow passage 11 and cool down to form warm water, and the warm water flows to the second connector 22 of the regulating valve 2 through the warm water outlet 122 and the warm water pipeline. Another part of the heated hot water flows through the first hot water line 101 to the first connection 21 of the control valve 2.

When the first interface 21, the second interface 22 and the third interface 23 of the regulating valve 2 are opened simultaneously, hot water and warm water are converged to form water with proper temperature to flow from the third interface 23 to the water outlet of the faucet 5 by regulating the hot water flow rate in the first interface 21 and the hot water flow rate in the second interface 22.

When the first connector 21 of the regulating valve 2 is closed and the second connector 22 and the third connector 23 are opened, the warm water after heat exchange in the heat exchanger 1 flows to the water outlet of the water tap 5 through the warm water pipeline and the second connector 22 and the third connector 23.

When the second port 22 of the regulating valve 2 is closed and the first port 21 and the third port 23 are opened, the boiled water heated by the heating body 4 flows through the first port 21 and the third port 23 via the first hot water pipeline 101 and then flows to the water outlet of the faucet 5.

When the water dispenser is in standby for a long time or the ambient temperature is too low, the cold water reflux mode of the water dispenser is started. Referring to fig. 3, specifically, the first port 21, the second port 22 and the third port 23 of the regulating valve 2 are all closed, the switch valve 7 is opened, and the water pump 3 and the heating body 4 are started. The water pump 3 drives the water circulation in the pipeline to make the cooling cold water in the first hot water pipeline 101 and the warm water pipeline enter the third flow channel 13 in the heat exchanger 1 through the second return pipeline 103 and the first return pipeline 104 for heat exchange and temperature rise, when the cold water in the pipeline is heated to a boiling water state after passing through the heating body 4, the hot water flows through the first hot water pipeline 101 to replace the cooling cold water in the original pipeline, the hot water flows through the second hot water pipeline 102 to form warm water through the second flow channel 12 to flow out and then replace the cooling cold water in the warm water pipeline, and therefore the water temperature when a user takes water is prevented from being too low.

Wherein, the water dispenser can turn off the cold water backflow mode according to the first temperature detector 81, the third temperature detector 83 and the fourth temperature detector 84.

Taking the third temperature detector 83 as an example, when the temperature detected in the warm water pipeline is less than 10 degrees, the cold water recirculation mode is activated, but when the temperature detected in the warm water pipeline is greater than 40 degrees, the cold water recirculation mode is deactivated, and the normal water supply mode is switched to.

When needing to explain, because cold water gets into the third pipeline and carries out the heat transfer and heaies up, when cold water flowed through heating member 4 once more, and then made cold water preheat in advance and heaied up in heat exchanger 1, practiced thrift heating member 4 with the energy consumption of cold water to boiling water state, rapid heating up when being convenient for cold water circulation has shortened user's waiting for the water intaking time, promotes user experience.

In addition, it should be noted that the present invention does not limit the specific structure of the heating body 4, as long as the heating body 4 can heat the water flowing through it to boil, and the skilled person can set the structure of the heating body 4 according to the actual need. For example, the heating body 4 may be provided in a tubular shape having an electric heating wire, or the heating body 4 may be provided as an electromagnetic heating device, etc., which can be flexibly adjusted and changed without departing from the basic principle and scope of the present invention, and should be limited within the protection scope of the present invention.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (10)

1. A warm water system comprises a water pump, a heat exchanger, a heating body, a valve component, a connecting pipeline and a water outlet, and is characterized in that the heat exchanger comprises a first flow passage and a second flow passage; the water pump, the first flow channel and the heating body are sequentially communicated, and the connecting pipeline comprises a first hot water pipeline and a second hot water pipeline which are communicated with the water outlet end of the heating body and a warm water pipeline which is communicated with the water outlet end of the second flow channel; the first hot water pipeline and the warm water pipeline are both communicated with the water outlet through the valve assembly, and the second hot water pipeline is communicated with the water inlet end of the second flow channel;

the connecting pipeline further comprises a return pipeline, a third flow channel is arranged on the heat exchanger, one end of the return pipeline is communicated with the water inlet end of the third flow channel, and the other end of the return pipeline is communicated with the warm water pipeline and/or the first hot water pipeline; the water outlet end of the third flow passage is communicated with the water inlet end of the water pump;

when the water in the warm water pipeline and the water in the first hot water pipeline are cooled to form cold water, the cold water can enter the third flow channel through the return pipeline to exchange heat and raise the temperature.

2. The warm water system according to claim 1, wherein the return line comprises a first return line and a second return line, the first return line being in communication with the warm water line, the second return line being in communication with the first hot water line.

3. The warm water system according to claim 1, wherein the valve assembly comprises a regulator valve including a first port in communication with the first hot water line, a second port in communication with the warm water line, and a third port in communication with the water outlet.

4. The warm water system according to claim 1, wherein the valve assembly further comprises a first one-way check valve disposed at a water inlet end of the heating body.

5. The warm water system according to claim 2, wherein the valve assembly further comprises a switching valve and a second one-way check valve disposed on the return line, the first return line and the second return line are in series communication, and the second one-way check valve is located between the warm water line and the second return line.

6. The warm water system according to claim 1, wherein a first temperature detector and a second temperature detector are respectively arranged in the water inlet end and the water outlet end of the heating body, and the first temperature detector and the second temperature detector are respectively used for detecting the water temperatures of the water inlet end and the water outlet end of the heating body.

7. The warm water heating system according to claim 3, wherein a third temperature detector for detecting the temperature of outlet water is arranged between the water outlet and the third interface.

8. The warm water system according to claim 1, wherein a fourth temperature detector for detecting a temperature of water in the warm water line is provided on the warm water line.

9. The warm water system according to claim 1, further comprising a water tank, wherein a water outlet end of the water tank is in communication with a water inlet end of the water pump.

10. A drinking device comprising a warm water system as claimed in any one of claims 1 to 9.

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