CN209564007U - Water dispenser - Google Patents
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- CN209564007U CN209564007U CN201820003058.5U CN201820003058U CN209564007U CN 209564007 U CN209564007 U CN 209564007U CN 201820003058 U CN201820003058 U CN 201820003058U CN 209564007 U CN209564007 U CN 209564007U
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Abstract
The utility model discloses a kind of water dispensers, including water tank, first heat exchanger, second heat exchanger and heating device, the first heat exchanger has the first cold water channel and the first hot water channel, the second heat exchanger has the second cold water channel and the second hot water channel, the water tank has the first water outlet, second water outlet and the first water return outlet, first water outlet of the water tank is connect with the entrance of first cold water channel, the outlet of first cold water channel is connect with the water inlet end of the heating device, the water outlet of the heating device is connect with the entrance of first hot water channel, the outlet of first hot water channel is connect with the entrance of second hot water channel.The water dispenser of the utility model does not store warm water in heating device, and tap just starts to be heated, cooling down carries out water processed, has prevented the growth problems of bacterium with opening, and ensure that the quality of drinking water.
Description
Technical field
The utility model relates to a kind of water making devices, specifically, being related to a kind of water dispenser.
Background technique
Open-type cistern Potable water equipment can usually provide boiled water and cold water, need to adapt to the drinking-water of student, campus is straight
Drinking equipment usually requires that provide boiled water and 45 DEG C or so drinks warm water.
Known open-type cistern Potable water equipment provides the method for drinking warm water: (1) hot water or cold water's mixing reaches drink
With the warm water of temperature.(2) cold water directly heats the warm water of consumption temperature.(3) it is naturally cooled to again after cold water is boiled and drinks temperature
The warm water of degree.Due to being easy to produce in cold water under room temperature (environment temperature) state in purified water purification almost without chlorine residue
The procreation of bacterium, mixed drinking water not can guarantee the safe and healthy of drinking water, and drinking water has the mouthfeel of water.It is right
Method is planted in (3), boiled water naturally cools to 40 DEG C or so of warm water from 100 DEG C, needs long time, once out of control, meeting
The accident that student is burned is caused, and energy waste is serious, the effective rate of utilization of the energy is very low, and only 25 percent is left
It is right.
Summary of the invention
The technical issues of the utility model is in order to solve existing water dispenser bacterium easy to breed, proposes a kind of water dispenser,
It can solve the above problem.
In order to solve the above-mentioned technical problem, the utility model is achieved using following technical scheme:
A kind of water dispenser, including water tank, first heat exchanger, second heat exchanger and heating device, first heat
Exchanger has the first cold water channel and the first hot water channel, and the second heat exchanger has the second cold water channel and the second heat
Aquaporin, the water tank have the first water outlet, the second water outlet and the first water return outlet, the first water outlet of the water tank with
The entrance of first cold water channel connects, and the outlet of first cold water channel is connect with the water inlet end of the heating device,
The water outlet of the heating device is connect with the entrance of first hot water channel, the outlet of first hot water channel with it is described
The entrance of second hot water channel connects, and the outlet of second hot water channel is connect with tap, the second water outlet of the water tank
Mouth is connect with the entrance of second cold water channel, and the outlet of second cold water channel connects with the first water return outlet of the water tank
It connects.
Further, the first water is set in the pipeline between the first water outlet and the first heat exchanger of the water tank
Pump, is provided with the second water pump in the pipeline between the second water outlet and the second heat exchanger of the water tank, and described first
Water pump and the second water pump are connect with control module respectively.
Further, the water tank further includes the second water return outlet, the outlet of second hot water channel and the tap
Between pipeline in be provided with triple valve, the entrance of the triple valve is connect with the outlet of second hot water channel, described three
A wherein outlet for port valve is connect with the tap, and in addition an outlet is connect with the second water return outlet of the water tank.
Further, the triple valve is solenoid valve, between the outlet of second hot water channel and the tap
The first temperature sensor is provided in pipeline, the solenoid valve and first temperature sensor connect with the control module respectively
It connects.
Further, first water pump and/or second water pump are variable frequency pump, and the second temperature is provided in the water tank
Sensor is spent, the second temperature sensor is connect with the control module.
Further, the first heat exchanger and/or second heat exchanger are shell-and-tube exchanger, the shell-and-tube
Heat exchanger includes the inner tube of shell and setting in the housing, shape between the inner wall of the shell and the outer wall of said inner tube
At shell side, the inside of said inner tube forms tube side, and first cold water channel and/or second cold water channel are located at the shell
Journey, the first hot water channel and/or second hot water channel are located at the tube side.
Further, said inner tube includes several, and the both ends of said inner tube pass through two end plates and the shell respectively
Inner wall seal fix, the end plate being located above be upper head plate, underlying end plate be bottom plate, the upper head plate with it is described
Confluence chamber is surrounded between the inner wall of shell, and splitter cavity is surrounded between the bottom plate and the inner wall of the shell, said inner tube
Both ends are connected to the confluence chamber and splitter cavity respectively, the entrance of first hot water channel and/or second hot water channel
It is connected to the splitter cavity, the outlet of first hot water channel and/or second hot water channel are connected to the confluence chamber.
Further, the entrance of the entrance and exit of first cold water channel and/or second cold water channel and go out
Mouth is formed on the side wall of the shell.
Further, the water tank is open-type cistern, and the water tank further includes water purification entrance, and the water tank passes through described
Water purification entrance connects purifier.
Compared with prior art, the advantages and positive effects of the utility model are as follows: the water dispenser of the utility model, is being opened
When tap, the normal-temperature water in water tank enters the first cold water channel of first heat exchanger, enters back into heating device and heats out
Carry out hot water, then hot water enters the first hot water channel of first heat exchanger, carries out heat with the normal-temperature water in the first cold water channel
The preliminary cooling of exchange, then enters back into the second hot water channel of first heat exchanger, continues heat with the second cold water channel
Exchange, the warm water that generating directly to drink are flowed out by tap, and whole process does not store warm water, just with unlatching tap
Start to be heated, cooling down carries out water processed, has prevented the growth problems of bacterium, ensure that the quality of drinking water.System is run
Come after, in first heat exchanger, the normal-temperature water that the hot water for being exported by heating device tentatively cools down after heat absorption, into
Enter heating device to be heated, improve the inflow temperature of heating device, when being heated to same target temperature, can reduce and add
The acting of thermal is realized to the energy regenerating in hot water temperature-fall period, and then being capable of energy conservation.
After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantages of the utility model
It will become clearer.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of example structure schematic diagram for the water dispenser that the utility model is proposed;
Fig. 2 is the partial structural diagram of first heat exchanger in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one, the present embodiment propose a kind of water dispenser, including water tank 11, the 12, second heat of first heat exchanger are handed over
Parallel operation 20 and heating device 13, first heat exchanger 12 have the first cold water channel and the first hot water channel, wherein the first heat
The entrance of aquaporin is 121, and the outlet of the first hot water channel 12 is 123, and the entrance of the first cold water channel is 122, the first cold water
Channel outlet is 124, and second heat exchanger 20 has the second cold water channel and the second hot water channel, wherein the second hot water channel
Entrance be 201, the outlet of the second hot water channel is 203, and the entrance of the second cold water channel is 202, and the second cold water channel goes out
Mouth is 204, and water tank 11 has the first water outlet 111, the second water outlet 112 and the first water return outlet 113, and the first of water tank 11 goes out
The mouth of a river 111 is connect with the entrance 122 of the first cold water channel, the outlet 124 of the first cold water channel and the water inlet end of heating device 13
Connection, the water outlet of heating device 13 connect with the entrance 121 of the first hot water channel, the outlet 123 of the first hot water channel and the
The entrance 201 of two hot water channels connects, and the outlet 203 of the second hot water channel is connect with tap 14, the second water outlet of water tank 11
Mouth 112 is connect with the entrance 202 of the second cold water channel, the outlet 204 of the second cold water channel and the first water return outlet 113 of water tank 11
Connection.The water dispenser of the utility model, when opening tap, it is first cold to enter first heat exchanger for the normal-temperature water in water tank
Aquaporin enters back into heating in heating device and comes out hot water, and then hot water enters the first hot water channel of first heat exchanger, with
Normal-temperature water in first cold water channel carries out heat exchange and tentatively cools down, and the hot water tentatively to cool down enters back into the of second heat exchanger
In two hot water channels, continue heat exchange cooling with the second cold water channel, the warm water that generating directly to drink passes through the fire hose
Head outflow, whole process do not store warm water, and tap just starts to be heated, cooling down carries out water processed with opening, and has prevented carefully
The growth problems of bacterium ensure that the quality of drinking water.After system behaves, normal-temperature water in the first cold water channel for plus
After the hot water of thermal output carries out heat exchange, is heated into heating device, improve the inflow temperature of heating device, In
When being heated to same target temperature, the acting of heating device can reduce, realize to the energy in the preliminary temperature-fall period of hot water
Recycling, and then being capable of energy conservation.
At present when opening tap 14, water is successively pressed into first heat exchanger using the pressure of water in water tank 11
12, heating device 13, second heat exchanger 20, finally flow out through tap.The pressure of water in water tank 11 is relied only in order to prevent,
When water is less in water tank 11, pressure is inadequate, causes the situation for influencing user's water to occur, preferably in water tank in the present embodiment
First water pump 15, the second water outlet of water tank 11 are set in the pipeline between 11 the first water outlet 111 and first heat exchanger 12
The second water pump 16, the first water pump 15 and the second water pump 16 difference are provided in pipeline between mouth 112 and second heat exchanger 20
It is connect with control module.When opening tap, the first water pump 15 and the second water pump 16 are opened, and the second water pump 16 will be in water tank 11
Normal-temperature water through the first cold water channel entrance 122 be pumped into first heat exchanger, then under the action of water pressure enter heating
Device 13 is heated, and the hot water after heating immediately enters the first hot water channel by the entrance of the first hot water channel for 121, with
Normal-temperature water in first cold water channel carries out preliminary heat exchange cooling, entrance of the hot water tentatively to cool down through the second hot water channel 20
201 enter the second hot water channel, meanwhile, the second water pump 16 is by the second outlet 112 of water tank by normal-temperature water therein through second
The entrance 202 of cold water channel is pumped into the second cold water channel, and then the outlet 204 through the second cold water channel is recycled back to water tank 11
In, the normal-temperature water in the hot water and the second cold water channel in the second hot water channel carries out heat exchange cooling again, and generation can be direct
The normal-temperature water drunk is flowed out through tap 14, and whole process does not store warm water, just starts add immediately with tap is opened
Heat, cooling a series of actions carry out production warm water, have prevented the growth problems of bacterium, ensure that the quality of drinking water.By adopting
With the first water pump 15 and the second water pump 16, hydraulic balance in pipeline ensure that, it is inadequate to avoid pressure when water is few in water tank 11
The case where occur.
It is preferred that heating device 13 is electric heater unit, dynamic quickly heating, heating device 13 can be carried out to the water flowed through
In do not store hot water, can be to avoid the growth of bacterium.
When user uses water dispenser, although by exchanging heat twice, it is possible to the temperature come out from second heat exchanger 20
Water is excessively high or too low, is not suitable for directly drinking, water tank 11 further includes the second water return outlet 114, the outlet 203 of the second hot water channel
Triple valve 17 is provided in pipeline between tap 14, the outlet 203 of the entrance of triple valve 17 and the second hot water channel connect
It connects, a wherein outlet for triple valve 17 is connect with tap 14, and in addition an outlet is connect with the second water return outlet 114 of water tank 11.
It, can be with switching three-way valve 17, so that the water that the outlet 203 of the second hot water channel is flowed out passes through when the temperature of warm water is not suitable for
The case where second water return outlet 114 is flow back into water tank 11, prevents scald or waste water resource generation.
Triple valve 17 is preferably solenoid valve, is arranged in the pipeline between the outlet 203 and triple valve 17 of the second hot water channel
There is the first temperature sensor 18, solenoid valve and the first temperature sensor 18 are connect with control module respectively, the first temperature sensor
The temperature of the water outlet of 18 outlet 203 for detecting the second hot water channel, and it is sent to control module, due to the first temperature sensing
Device 18 is arranged in the pipeline between the outlet 203 of the second hot water channel and tap 14, therefore, 18 institute of the first temperature sensor
The temperature measured passes through the temperature for judging the first temperature sensor 18 feedback close to the temperature from 14 outflow water of tap, control module
Angle value controls the on state of each branch of triple valve 17, for example, setting if the temperature value of the first temperature sensor 18 feedback is located at
Within the scope of fixed, control module is that the pipeline between the outlet 203 and tap of controllable second hot water channel is connected, user
Drinking water can be normally connect, if the temperature value of the first temperature sensor 18 feedback is located at except the range of setting, such as leaving water temperature
Excessively high or too low, control module controls the pipe between the outlet 203 of the second hot water channel and the second water return outlet 114 of water tank 11
Road conducting, pipeline between tap disconnect, and can prevent that temperature is excessively high to cause scald or temperature too low by user
Give up wasting situation, the water gone out from the outlet of the second hot water channel 203 returns to water tank by the second water return outlet 114
In, it can avoid water resource waste.
It is preferred that the first water pump 15 or the second water pump 16 are the controllable variable frequency pump of frequency, can also both be variable frequency pump, water
Second temperature sensor 19 is provided in case 11, second temperature sensor 19 is connect with control module.Second temperature sensor 19
It is different according to the water temperature in water tank 11 for detecting the water temperature in water tank 11, after feeding back to control module, control module control the
One water pump 15 or the second water pump 16 go out different flows, in order to which water outlet comes out 45 degree needed.Such as the water temperature in water tank 11
When being 10 degree, 15 flow of the first water pump is 200ml/min, when the water temperature in water tank 11 is 20 degree, frequency conversion pump discharge 700ml/
Min, when the water temperature in water tank 11 is 30 degree, frequency conversion pump discharge is 1400ml/min, therefore adapts to Various Seasonal difference room temperature
Water temperature guarantees the warm water come out from tap 14 in the range of being suitble to straight drink for 45 degree or so.
First heat exchanger 12 and/or second heat exchanger 20 preferably use shell-and-tube exchanger in the present embodiment, with
For first heat exchanger 12, as shown in Fig. 2, shell-and-tube exchanger includes shell 12a and the inner tube that is arranged in shell 12a
12b forms shell side between the inner wall of shell 12a and the outer wall of inner tube, the inside of inner tube forms tube side, and the first hot water channel is located at
Tube side, that is, the entrance 121 of the first hot water channel and outlet 123 are connected to the both ends of tube side, the first cold water channel is located at
Shell side, that is, the entrance and exit 124 of the first cold water channel is connected to the both ends of shell side.Hot water after heating by
Heat exchange cooling is carried out in the tube side of heat exchanger with the normal-temperature water being located in shell side, this programme will be flowed first with heating device 13
The water of warp carries out being heated to higher temperature, plays the role of sterilization, is then tentatively cooled down by first heat exchanger 12,
Whole process is very of short duration, rapid and convenient.
The structure composition of second heat exchanger 20 is similar to the structure composition of first heat exchanger 12, and this will not be repeated here.
In order to improve heat exchange efficiency, so that high-temperature water passes through two-stage heat exchanger in a short period of time and is reduced to 45 degree of left sides
The right side, preferably inner tube 12b includes several in the application, and the both ends of inner tube 12b pass through the inner wall of two end plates and shell 12a respectively
Sealing is fixed, and the end plate being located above is upper head plate 12c, and underlying end plate is bottom plate 12d, upper head plate 12c and shell
Confluence chamber is surrounded between the inner wall of 12a, and splitter cavity, the both ends of inner tube 12b are surrounded between bottom plate 12d and the inner wall of shell 12a
It is connected to respectively with confluence chamber and splitter cavity, the entrance 121 of the first hot water channel is connected to splitter cavity, the outlet of the first hot water channel
123 are connected to confluence chamber, and the hot water after heating initially enters splitter cavity by the entrance 121 of the first hot water channel, is shunted
It separately flows into each inner tube 12b, exchanges heat during flowing through, by increasing the quantity of inner tube 12b, heat exchange can be increased
Area, and then heat exchange efficiency can be improved, the water for flowing through inner tube 12b enters confluence chamber and converges, then logical through the first hot water
It flows out the outlet 123 in road.
The bottom of first heat exchanger is set by the entrance 121 by the first hot water channel, and outlet 123 is arranged first
The top of heat exchanger, hot water is during entering the first hot water channel, the gradually uplink under the pressure effect of water, the weight with water
Power is contrary, conducive to discharge the first hot water channel in air, furthermore, it is possible to extend hot water in the first hot water channel when
Between, extend heat exchange action time, and then heat exchange efficiency can be improved.
Since splitter cavity and confluence chamber are located at the both ends of shell 11, it is therefore preferable that the entrance of the first hot water channel
121 both ends for being located at shell with outlet for 123, and the entrance 122 of the first cold water channel and outlet 124 can be formed in
On the side wall of shell 11.
The top of shell is set by the entrance 122 by the first cold water channel, the lower part of shell is arranged in outlet 124,
Flow direction with the liquid in the first hot water channel is on the contrary, make heat exchange more abundant.
Water tank 11 is open-type cistern, and water tank 11 further includes water purification entrance, and water tank 11 connects water purification by water purification entrance and sets
Standby, the water purification of purifier preparation is input in water tank 11, improves the quality of drinking water.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model,
It should also belong to the protection scope of the utility model.
Claims (9)
1. a kind of water dispenser, it is characterised in that: including water tank, first heat exchanger, second heat exchanger and heating device, institute
First heat exchanger is stated with the first cold water channel and the first hot water channel, the second heat exchanger has the second cold water channel
With the second hot water channel, the water tank have the first water outlet, the second water outlet and the first water return outlet, the first of the water tank
Water outlet is connect with the entrance of first cold water channel, the outlet and the water inlet of the heating device of first cold water channel
End connection, the water outlet of the heating device are connect with the entrance of first hot water channel, and first hot water channel's goes out
Mouth is connect with the entrance of second hot water channel, and the outlet of second hot water channel is connect with tap, the water tank
Second water outlet is connect with the entrance of second cold water channel, the outlet of second cold water channel and the first of the water tank
Water return outlet connection.
2. water dispenser according to claim 1, it is characterised in that: the first water outlet of the water tank and first heat are handed over
First water pump, the pipeline between the second water outlet and the second heat exchanger of the water tank are set in the pipeline between parallel operation
In be provided with the second water pump, first water pump and the second water pump are connect with control module respectively.
3. water dispenser according to claim 1, it is characterised in that: the water tank further includes the second water return outlet, and described second
Triple valve, the entrance of the triple valve and described second are provided in pipeline between the outlet of hot water channel and the tap
The outlet of hot water channel connects, and a wherein outlet for the triple valve is connect with the tap, in addition an outlet and the water
Second water return outlet of case connects.
4. water dispenser according to claim 3, it is characterised in that: the triple valve is solenoid valve, and second hot water is logical
The first temperature sensor, the solenoid valve and first temperature are provided in pipeline between the outlet in road and the tap
Sensor is connect with control module respectively.
5. water dispenser according to claim 2, it is characterised in that: first water pump and/or second water pump are to become
Frequency pumps, and is provided with second temperature sensor in the water tank, the second temperature sensor is connect with the control module.
6. water dispenser according to claim 1-5, it is characterised in that: the first heat exchanger and/or second
Heat exchanger is shell-and-tube exchanger, and the shell-and-tube exchanger includes the inner tube of shell and setting in the housing,
Shell side is formed between the inner wall of the shell and the outer wall of said inner tube, the inside of said inner tube forms tube side, and described first is cold
Aquaporin and/or second cold water channel are located at the shell side, and the first hot water channel and/or second hot water channel are located at
The tube side.
7. water dispenser according to claim 6, it is characterised in that: said inner tube includes several, the both ends of said inner tube
It is sealed and is fixed by the inner wall of two end plates and the shell respectively, the end plate being located above is upper head plate, underlying end
Plate is bottom plate, and confluence chamber is surrounded between the upper head plate and the inner wall of the shell, and the bottom plate is interior with the shell
Splitter cavity is surrounded between wall, the both ends of said inner tube are connected to the confluence chamber and splitter cavity respectively, first hot water channel
And/or the entrance of second hot water channel is connected to the splitter cavity, first hot water channel and/or second hot water
The outlet in channel is connected to the confluence chamber.
8. water dispenser according to claim 6, it is characterised in that: the entrance and exit of first cold water channel, and/or
The entrance and exit of second cold water channel is formed on the side wall of the shell.
9. water dispenser according to claim 1-4, it is characterised in that: the water tank is open-type cistern, described
Water tank further includes water purification entrance, and the water tank connects purifier by the water purification entrance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820003058.5U CN209564007U (en) | 2018-01-02 | 2018-01-02 | Water dispenser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820003058.5U CN209564007U (en) | 2018-01-02 | 2018-01-02 | Water dispenser |
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Publication Number | Publication Date |
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CN209564007U true CN209564007U (en) | 2019-11-01 |
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ID=68319198
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CN201820003058.5U Active CN209564007U (en) | 2018-01-02 | 2018-01-02 | Water dispenser |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111568187A (en) * | 2020-04-01 | 2020-08-25 | 浙江久康电器有限公司 | Instant-heating constant-temperature direct drinking water device capable of continuously discharging water and control method thereof |
CN112056936A (en) * | 2020-09-08 | 2020-12-11 | 珠海格力电器股份有限公司 | Pipeline system, water dispenser and control method of water dispenser |
CN114424884A (en) * | 2020-10-29 | 2022-05-03 | 广东美的生活电器制造有限公司 | Liquid heating container |
-
2018
- 2018-01-02 CN CN201820003058.5U patent/CN209564007U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111568187A (en) * | 2020-04-01 | 2020-08-25 | 浙江久康电器有限公司 | Instant-heating constant-temperature direct drinking water device capable of continuously discharging water and control method thereof |
CN112056936A (en) * | 2020-09-08 | 2020-12-11 | 珠海格力电器股份有限公司 | Pipeline system, water dispenser and control method of water dispenser |
CN114424884A (en) * | 2020-10-29 | 2022-05-03 | 广东美的生活电器制造有限公司 | Liquid heating container |
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