CN111110049A - Multi-stage temperature control heat exchange device for water dispenser - Google Patents
Multi-stage temperature control heat exchange device for water dispenser Download PDFInfo
- Publication number
- CN111110049A CN111110049A CN202010148490.5A CN202010148490A CN111110049A CN 111110049 A CN111110049 A CN 111110049A CN 202010148490 A CN202010148490 A CN 202010148490A CN 111110049 A CN111110049 A CN 111110049A
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- Prior art keywords
- water
- heat exchanger
- water outlet
- pipeline
- communicated
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
A multi-stage temperature control heat exchange system for a water dispenser comprises a tube bank type heat exchanger, a heater, a multi-way electromagnetic valve, a two-position three-way electromagnetic valve, a water inlet pump, a water outlet pump, a temperature measuring device and a three-way water outlet, wherein each outer tube and each inner tube of the tube bank type heat exchanger are respectively connected in series through connecting devices at two ends, the inner tubes are connected in series to form a whole hot water pipeline for leading hot water, the outer tubes are connected in series to form a whole cold water pipeline containing a plurality of water inlets, the water inlet pump pumps cold water in a water tank, the cold water enters the heater after passing through the cold water pipeline of the tube bank type heat exchanger, heated hot boiled water enters the hot water pipeline, the hot boiled water carries out heat exchange with the cold water in the cold water pipeline through the tube walls, the cold water enters the cold water pipeline from the water inlets at different positions by controlling, therefore, hot boiled water in the hot water pipeline can be exchanged into warm boiled water with different temperatures, and the requirements of people on various water temperatures are met.
Description
Technical Field
The invention relates to the field of heat exchange devices for water dispensers, in particular to a multi-stage temperature control heat exchange device for a water dispenser.
Background
The principle of traditional heat exchange device for water dispenser is through a whole inner tube of outer tube entangling, twine the pipeline or bend into a water route device, the inner tube leads to hot water, the outer tube leads to cold water, hot water cools down into the warm water through the heat exchange with cold water, but cold water and hot water in the traditional water dispenser heat exchange device are only between a heat exchange interval, consequently only can generate the warm water of an interval temperature, and the heat exchange device volume that traditional water dispenser was used under the prevailing condition is comparatively huge, lead to the range of application to have certain limitation, only be suitable for in the commercial water dispenser field of bulky, use very seldom to the domestic water dispenser field of small size.
Disclosure of Invention
The invention aims to solve the existing problems and provides a heat exchange device of a water dispenser, which has a compact and reasonable structure and can perform multi-stage temperature control.
A multi-stage temperature control heat exchange device for a water dispenser comprises a tube bank type heat exchanger, a heater, a multi-way electromagnetic valve, a two-position three-way electromagnetic valve, a water inlet pump, a water discharge pump, a temperature measuring device and a three-way water outlet, wherein each outer tube and each inner tube of the tube bank type heat exchanger are respectively connected in series through connecting devices at two ends, the inner tubes are connected in series to form a whole hot water pipeline, the front end of the hot water pipeline is communicated with a normally open water outlet of the two-position three-way electromagnetic valve, the tail end of the hot water pipeline is connected with a branch water inlet of the three-way water outlet, the outer tubes of the tube bank type heat exchanger are connected in series to form a cold water pipeline comprising a plurality of water inlets, water passing sections with different lengths are formed between each water inlet of the cold water pipeline and the tail end water outlet of the cold water, a plurality of water inlets of the cold water pipeline are respectively communicated with a plurality of water outlets of the multi-way electromagnetic valve, the water inlets of the multi-way electromagnetic valve are communicated with the water outlet of the water inlet pump, the water inlet of the water inlet pump is communicated with the water outlet of the water tank, the water inlet pump pumps cold water in the water tank, the cold water enters the heater after passing through the cold water pipeline of the tube row type heat exchanger, hot boiled water heated by the heater enters the hot water pipeline, the hot boiled water performs heat exchange with the cold water in the cold water pipeline through the tube wall of the hot water pipeline, warm boiled water obtained by the exchange is discharged through the outlet of the three-way water outlet, the cold water enters the cold water pipeline from different water inlets by controlling the opening and closing of the multi-way electromagnetic valve, the cold water in the cold water pipeline and the hot boiled water in the hot water pipeline form heat exchange intervals with different areas, so that the, satisfy the demand of people to multiple temperature, the foremost end of cold water pipeline links to each other with the water inlet of drainage water pump, and the delivery port of drainage water pump links to each other with the return water mouth of water tank, and in drainage water pump was with the water storage water drainage return water tank in the pipeline to prevent to deposit water in the pipeline and breed the bacterium.
The invention can also be solved by the following technical scheme:
further, a plurality of water inlets d, e and g are arranged at the joint of a cold water pipeline of the tube row type heat exchanger, when cold water enters the heat exchanger from the water inlet d and then sequentially enters the heater for heating, a normally closed water outlet of the two-position three-way electromagnetic valve is opened, a normally open water outlet is closed, hot boiled water boiled by the heater enters the three-way water outlet from the opened normally closed water outlet, and the hot boiled water does not pass through the tube row type heat exchanger in the process, so that the temperature of the hot boiled water at the three-way water outlet is unchanged.
Further, when cold water enters the heat exchanger from the water inlet d, the cold water enters the heater after passing through the heat exchange pipeline, the normally open water outlet of the two-position three-way electromagnetic valve is kept in an open state, hot boiled water boiled by the heater enters the hot water cooling pipeline of the tube bank type heat exchanger from the normally open water outlet, the hot boiled water is discharged from the three-way water outlet after exchanging heat with the cold water through the tube wall, in the process, the hot boiled water and the cold water exchange heat only in one pipeline, and the temperature of the hot boiled water is reduced to 80-85 ℃.
When cold water enters the heat exchanger from the water inlet e, the cold water enters the heater after passing through the five heat exchange pipelines, the normally open water outlet of the two-position three-way electromagnetic valve is kept in an open state, hot boiled water boiled by the heater enters the hot water cooling pipeline of the tube bank type heat exchanger from the normally open water outlet, the hot boiled water is discharged from the three-way water outlet after being subjected to heat exchange with the cold water through the tube wall, and in the process, the hot boiled water and the cold water are subjected to heat exchange in the five pipelines, and the hot boiled water is cooled to 60-65 ℃.
When cold water enters the heat exchanger through the water inlet g, the cold water enters the heater after passing through all heat exchange pipelines of the tube bank type heat exchanger, a normally open water outlet of the two-position three-way electromagnetic valve is kept in an open state, hot boiled water boiled by the heater enters hot water cooling pipelines of the tube bank type heat exchanger from the normally open water outlet, the hot boiled water is discharged from the three-way water outlet after heat exchange is carried out between the hot water and the cold water through the tube wall, heat exchange is carried out on the hot water and the cold water in all pipelines of the heat exchanger in the process, and the temperature of the.
Therefore, warm boiled water in different temperature ranges can be obtained by controlling the heat exchange range of cold water and hot boiled water in the tube-and-row heat exchanger.
Further, the foremost end of a cold water pipeline of the tube-in-tube heat exchanger is connected with a water discharging pump, the water discharging pump is connected with a water tank, and when the water dispenser is in a static state for a certain time, water stored in the pipeline at the front end is discharged back into the water tank by the water discharging pump, so that the water stored in the pipeline is prevented from breeding bacteria.
The invention has the following beneficial effects:
the multi-stage temperature control heat exchange device for the water dispenser can regulate and control the water outlet temperature of the water dispenser in multiple stages by controlling the heat exchange interval of cold water and hot water in the heat exchanger, and meets the requirements of people on warm boiled water in different temperature intervals.
Drawings
Fig. 1 is a schematic structural diagram of the prior art of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
The invention is further illustrated with reference to the following figures and examples.
As shown in figure 2, a multi-stage temperature control heat exchange device for a water dispenser comprises a tube bank type heat exchanger 1, a heater 2, a two-position three-way electromagnetic valve 3, a temperature measuring device 4, a multi-way electromagnetic valve 5, a water inlet pump 6, a water outlet pump 7, a water tank 8 and a three-way water outlet 9, wherein a cold water pipeline water outlet c arranged on the tube bank type heat exchanger 1 is communicated with a water inlet 201 at the bottom of the heater 2, the temperature measuring device 4 is arranged at the water inlet 201, a water outlet at the top end of the heater 2 is communicated with a water inlet of the two-position three-way electromagnetic valve 3, a normally closed water outlet 301 of the two-position three-way electromagnetic valve 3 is communicated with a branch water inlet 901 of the three-way water outlet 9, a normally open water outlet 302 of the two-position three-way electromagnetic valve 3 is communicated with a hot boiled, the cold water pipeline joint of the tube bank type heat exchanger 1 is provided with a plurality of water inlets d, e and g which are respectively communicated with the water outlets 501, 502 and 503 of the multi-way electromagnetic valve 5, the water inlet of the multi-way electromagnetic valve 5 is communicated with the water outlet 602 of the water inlet pump 6, the water inlet 601 of the water inlet pump 6 is communicated with the water outlet 801 of the water tank 8, the water outlet f of the tube bank type heat exchanger 1 is communicated with the water inlet 701 of the water drainage pump 7, and the water outlet 702 of the water drainage pump 7 is communicated with the water return port 802 of the water tank 8.
When warm water of 40-45 ℃ is needed, a water outlet 503 of the multi-way electromagnetic valve 5 is opened, a water inlet pump 6 pumps cold water from a water tank 8, the cold water enters the tube bank type heat exchanger 1 from a water inlet g, the cold water enters the heater 2 from a water outlet c after passing through all cold water pipelines in the heat exchanger, a temperature measuring device 14 detects the water inlet temperature in real time, the heater 2 heats the cold water into hot boiled water of 98-100 ℃, the hot boiled water enters a water inlet a of the heat exchanger from a normally open water outlet 302 of the two-position three-way electromagnetic valve 3, the hot boiled water exchanges heat with the cold water in the whole heat exchanger through the tube wall of a hot water pipeline, the hot boiled water obtained through exchange enters a branch water inlet 902 of the three-way water outlet 9 from a water outlet.
When 60-65 ℃ warm water is needed, the water outlet 502 of the multi-way electromagnetic valve 5 is opened, the water inlet pump 6 pumps cold water from the water tank 8, the cold water enters the tube bank type heat exchanger 1 from the water inlet e, the cold water enters the heater 2 from the water outlet c after passing through five cold water pipelines in the heat exchanger, the temperature measuring device 14 detects the water inlet temperature in real time, the heater 2 heats the cold water into 98-100 ℃ hot boiled water, the hot boiled water enters the water inlet a of the heat exchanger from the normally open water outlet 302 of the two-position three-way electromagnetic valve 3, the hot boiled water exchanges heat with the cold water of the five cold water pipelines in the heat exchanger through the tube wall, the exchanged warm boiled water enters the branch water inlet 902 of the three-way water outlet 9 from the water outlet b and is discharged outwards, and the.
According to the same principle, when 80-85 ℃ hot boiled water is needed, the water outlet 501 of the multi-way electromagnetic valve 5 is opened, cold water enters the tube row type heat exchanger 1 from the water inlet d, the cold water enters the heater 2 from the water outlet c after passing through a cold water pipeline in the heat exchanger, the cold water is heated into hot boiled water, and the hot boiled water at 80-85 ℃ is obtained after heat exchange of the hot boiled water through a heat exchange pipeline.
To sum up, when the normally open water outlet 302 of the two-position three-way electromagnetic valve 3 is kept in an open state, cold water enters the tube-in-tube heat exchanger 1 from water inlets at different positions by controlling the opening and closing of each water outlet of the multi-way electromagnetic valve 5, so that the heat exchange area of cold water and hot water in the heat exchanger is controlled, and warm boiled water in different temperature ranges is obtained.
When a normally closed water outlet 301 of the two-position three-way electromagnetic valve 3 is opened, a normally open water outlet 302 is closed, a water outlet 501 of the multi-way electromagnetic valve 5 is opened, a water inlet pump 6 pumps cold water from a water tank 8, the cold water enters the tube bank type heat exchanger 1 from a water inlet d and then sequentially enters the heater 2, the heater 2 heats the cold water into hot boiled water at the temperature of 98-100 ℃, the hot boiled water enters the branch water inlet 901 of the three-way water outlet 9 through the water outlet 301 and finally is discharged from the three-way water outlet 9, the hot boiled water does not enter the tube bank type heat exchanger 1 in the process and does not exchange heat with the cold water, and the temperature of the.
When the device is out of work for a long time and reaches the set time after, drainage water pump 7 takes out the water deposit in the pipeline through outlet f, finally discharges return water tank 8 through return water mouth 802 of water tank 8 to avoid the water deposit in the pipeline to breed the bacterium.
The foregoing is a preferred embodiment of the present invention and is provided for the purpose of illustrating the general principles, essential features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, and that modifications and variations of this invention may be made without departing from the spirit and scope of the invention, which is to be construed in accordance with the accompanying claims and their equivalents.
Claims (2)
1. A multi-stage temperature control heat exchange device for a water dispenser comprises a main body, a tube bank type heat exchanger (1), a heater (2), a two-position three-way electromagnetic valve (3), a temperature measuring device (4), a multi-way electromagnetic valve (5), a water inlet pump (6), a water outlet pump (7), a water tank (8) and a three-way water outlet (9), wherein a cold water pipeline water outlet (c) is arranged on the tube bank type heat exchanger (1) and communicated with a water inlet (201) at the bottom of the heater (2), the temperature measuring device (4) is arranged at the water inlet (201), a water outlet at the top end of the heater (2) is communicated with a water inlet of the two-position three-way electromagnetic valve (3), a normally closed water outlet (301) of the two-position three-way electromagnetic valve (3) is communicated with a branch water inlet (901) of the three-way water outlet (9), a normally, the water inlet (a) is communicated with the warm boiled water outlet (b) through a hot water cooling pipeline which is connected in series, the water outlet (b) is communicated with a branch water inlet (902) of a three-way water outlet (9), a plurality of water inlets (d, e and g) are arranged at the joint of a cold water pipeline of the tube bank type heat exchanger (1) and are respectively communicated with water outlets (501, 502 and 503) of the multi-way electromagnetic valve (5), a water inlet of the multi-way electromagnetic valve (5) is communicated with a water outlet (602) of the water inlet pump (6), a water inlet (601) of the water inlet pump (6) is communicated with a water outlet (801) of the water tank (8), a water outlet (f) of the tube bank type heat exchanger (1) is communicated with a water inlet (701) of the water drainage pump (7), and a water outlet (702) of the water drainage pump (7) is communicated with a water return port.
2. The multi-stage temperature control heat exchange device for the water dispenser of claim 1, wherein: the cold water pipeline junction of bank of tubes formula heat exchanger (1) is provided with a plurality of water inlets (d, e, g), the top delivery port of heater (2) and the water inlet intercommunication of two three way solenoid valve (3), two three way solenoid valve (3) contain one and normally open delivery port (302) and one normally closed delivery port (301), three way delivery port (9) are equipped with two branch water inlets (901, 902), bank of tubes formula heat exchanger (1) communicates with intake water pump (6), drainage water pump (7) respectively, a plurality of water inlets (d, e, g) of bank of tubes formula heat exchanger (1) communicate with delivery port (501, 502, 503) of multi-way solenoid valve (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148490.5A CN111110049A (en) | 2020-03-05 | 2020-03-05 | Multi-stage temperature control heat exchange device for water dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148490.5A CN111110049A (en) | 2020-03-05 | 2020-03-05 | Multi-stage temperature control heat exchange device for water dispenser |
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| Publication Number | Publication Date |
|---|---|
| CN111110049A true CN111110049A (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010148490.5A Pending CN111110049A (en) | 2020-03-05 | 2020-03-05 | Multi-stage temperature control heat exchange device for water dispenser |
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| CN (1) | CN111110049A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546690A (en) * | 2021-07-28 | 2021-10-26 | 几唯(苏州)新材料科技有限公司 | Active site in-situ regeneration technology for catalytic oxidation coating of household electric oven |
-
2020
- 2020-03-05 CN CN202010148490.5A patent/CN111110049A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546690A (en) * | 2021-07-28 | 2021-10-26 | 几唯(苏州)新材料科技有限公司 | Active site in-situ regeneration technology for catalytic oxidation coating of household electric oven |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200508 |
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| WD01 | Invention patent application deemed withdrawn after publication |