CN104846586A - Multifunctional trans-critical carbon dioxide heat pump type washing machine - Google Patents
Multifunctional trans-critical carbon dioxide heat pump type washing machine Download PDFInfo
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- CN104846586A CN104846586A CN201510280462.8A CN201510280462A CN104846586A CN 104846586 A CN104846586 A CN 104846586A CN 201510280462 A CN201510280462 A CN 201510280462A CN 104846586 A CN104846586 A CN 104846586A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/04—Heating arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a multifunctional trans-critical carbon dioxide heat pump type washing machine which comprises a hot-water supply system, a drying hot-air system, a condensation system and a carbon dioxide trans-critical heat pump system. The multifunctional trans-critical carbon dioxide heat pump type washing machine has the advantages that merits of the trans-critical carbon dioxide heat pump system are utilized, tap water can be heated, so that the temperature of the tap water reaches the optimal washing temperature, the temperature of water in the washing machine ranges from 30.0 DEG C to 45.0 DEG C in working procedures, and washing effects of washing powder or washing liquid can be improved; heating can be carried out by trans-critical carbon dioxide heat pumps instead of the traditional electric heating modes in drying procedures, an energy utilization coefficient of the heat pump system is approximately 3.0, and accordingly the energy utilization efficiency can be greatly improved; circulating cold water is produced by the aid of the trans-critical carbon dioxide heat pump system, accordingly, the problem of wastage of high-quality water due to the fact that tap water is started to cool cold surfaces in automatic drying procedures can be solved, and water resources can be saved.
Description
Technical field
The present invention relates to refrigerating heat pump technical field, particularly relate to the supply of a kind of thermal-arrest water and hyperthermia drying function in multi-functional CO 2 trans-critical heat pump type washing machine integrally.
Background technology
The most basic function of washing machine is cleaned washings, and the raising of quality of the life makes people have higher requirement to washing machine.Such as, existing washing machine commercially has the functions such as washing, drying, oven dry mostly.
Investigate discovery through designer, although the product technology in white domestic appliances market, the especially design of the product such as washing machine, production and manufacturing technique are greatly improved, but still there are problems.Wherein the most outstanding have three problems.First, the running water that washing machine uses in the course of the work, its water temperature, mostly between 10-25 DEG C, is not the optimum temperature of slurry.Result of study shows: in 30.0 ~ 45.0 DEG C of temperature, when the concentration of washing powder solution reaches 0.05 ~ 0.10%, clothing will reach best clean result, demand [the Wei Jiang of current life can be met, Wang Zhao, Li Jialiang. the experimental study [J] of washing powder solution. Experiment of College Physics, 2013,26 (2): 57-59.].Secondly, what washing machine drying system adopted is that electric heating system is dried washing product, and lot of energy, energy utilization coefficient is low.Finally, in the process of opening washing machine auto-drying pattern, the supply channel of washing machine must be opened accordingly, and cooling cold surface, to ensure that the moisture in hyperthermia drying process can condense at cold surface, gets rid of moisture.In the overall process of drying, running water pipe one direct-open, causes the waste of high-quality water resource.
Summary of the invention
The object of the invention is, for exist in above-mentioned prior art three large technological deficiencies, to improve clean result, improve comprehensive utilization of energy rate, provide the supply of a kind of thermal-arrest water and hyperthermia drying function in the multi-functional CO 2 trans-critical heat pump type washing machine of one.
The present invention's multi-functional CO 2 trans-critical heat pump type washing machine is made up of hot water supply system, oven dry hot-air system, condensed system, CO 2 cross-critical heat pump, make washing machine water temperature in the course of the work be between 30.0 ~ 45.0 DEG C, improve the clean result of washing powder or liquid detergent; Adopt heat pump heating system to substitute traditional electrical heating, improve efficiency of energy utilization; The mode adopting carbon dioxide heat pump system to produce circulating water solves in auto-drying process opens running water to cool the mode of cold surface, saving water resource.
The technical scheme adopted for the object realizing invention is:
Described one multi-functional CO 2 trans-critical heat pump type washing machine is made up of hot water supply system, oven dry hot-air system, condensed system, CO 2 cross-critical heat pump;
Described hot water supply system, be made up of tap water pipe line and the first carbon dioxide-water heat exchanger 2, tap water pipe line (10 ~ 25 DEG C, low temperature running water) is connected with the first carbon dioxide-water heat exchanger 2 water side entrance, and described co2 carbon dioxide-water heat exchanger 2 water side outlet is connected with wash bucket 8 water filling inlet; After the first carbon dioxide-water heats with heat exchanger 2, the temperature of water is high 30.0 ~ 45.0 DEG C by 10 ~ 25 DEG C of liftings.After system opens water filling program, heat pump is started working, and carbon-dioxide gas compressor exhaust enters carbon dioxide-water heat exchanger 2 and carries out heat exchange, until the injecting process terminates;
Described oven dry hot-air system, be made up of air-cooled gas cooler 3, uniform circulation air supply duct 7, air-cooled gas cooler 3 is arranged in wash bucket 8, described air-cooled gas cooler 3 wind side outlet is connected with uniform circulation air supply duct 7 entrance, described balanced ventilation pipeline 7 outlet is arranged in wash bucket 8, realizes balanced ventilation in wash bucket 8; Described air-cooled gas cooler 3 wind side entrance is connected with wash bucket 8; The heat of air-cooled gas cooler 3 is from CO 2 cross-critical heat pump, and high temperature carbon dioxide gas is lowered the temperature in air-cooled gas cooler 3;
Described condensed system, be made up of the second carbon dioxide-water-to-water heat exchanger 6, water circulating pump 11, air water heat exchanger 10 and drip tray 12, described second carbon dioxide-water-to-water heat exchanger 6 water side outlet is connected with water circulating pump 11 entrance, water circulating pump 11 outlet is connected with air-water heat exchanger 10 entrance, air-water heat exchanger 10 outlet is connected with the second carbon dioxide-water-to-water heat exchanger 6 water side entrance, arranges drip tray 12 below air-water heat exchanger 10; Cold-producing medium carries out heat exchange through the second carbon dioxide-water-to-water heat exchanger 6 and condensed system water, circulating water temperature in condensed system reduces, hot and humid gas after water at low temperature after temperature reduces enters air-water heat exchanger 10 and hyperthermia drying washings under the promotion of water circulating pump 11 carries out heat exchange, hot and humid gas condenses at the cold surface of air-water heat exchanger 10, separate out moisture, moisture is assembled at drip tray 12 after separating out, and is expelled to outside washing machine through drainpipe;
Described CO 2 cross-critical heat pump, comprises carbon-dioxide gas compressor 1, electromagnetic valve 1, electromagnetic valve 14, throttling arrangement 4, auxiliary air-cooled heat exchanger 5 and electromagnetic valve 3 15 and forms; Described carbon-dioxide gas compressor 1 exports and is connected with electromagnetic valve 2 14 entrance respectively at electromagnetic valve 1 entrance, described electromagnetic valve 1 outlet is connected with carbon dioxide-water heat exchanger 2 refrigerant side entrance, described electromagnetic valve 2 14 outlet is connected with air-cooled gas cooler 3 refrigerant side entrance, and the heat exchanger 2 refrigerant side outlet of carbon dioxide-water is connected with throttling arrangement 4 entrance respectively with air-cooled gas cooler 3 refrigerant side outlet; Described throttling arrangement 4 exports and is connected with electromagnetic valve 3 15 entrance and auxiliary air-cooled heat exchanger 5 entrance respectively, electromagnetic valve 3 15 outlet is connected with carbon dioxide-water-to-water heat exchanger 6 refrigerant inlet, and the outlet of carbon dioxide-water-to-water heat exchanger 6 refrigerant side exports with auxiliary air-cooled heat exchanger 5 and is connected with carbon-dioxide gas compressor 1 entrance respectively.
Described cold-producing medium adopts carbon dioxide coolant.
Described carbon dioxide-water-to-water heat exchanger and the heat exchanger form of air-water heat exchanger are double pipe heat exchanger, plate type heat exchanger or air-cooled heat exchanger.
Compared with prior art, the invention has the beneficial effects as follows:
1, utilize the advantage of CO 2 trans-critical heat pump system, the water temperature of heating tap water reaches the optimum temperature of washing, makes washing machine water temperature in the course of the work be between 30.0 ~ 45.0 DEG C, improves the clean result of washing powder or liquid detergent.
2, adopt CO 2 trans-critical heat pump to heat drying course, substitute traditional electrical heating, heat pump energy utilization coefficient, about 3.0, improves efficiency of energy utilization greatly.
3, adopt CO 2 trans-critical heat pump system to produce the mode of circulating water, solve in auto-drying process and open running water to cool the waste of cold surface mode high-quality water, saving water resource.
Accompanying drawing explanation
Figure 1 shows that one of the present invention multi-functional CO 2 trans-critical heat pump type washing machine principle figure.
1, carbon-dioxide gas compressor; 2, carbon dioxide-water heat exchanger; 3, air-cooled gas cooler; 4, throttling arrangement; 5, auxiliary air-cooled heat exchanger; 6, carbon dioxide-water heat exchanger; 7, uniform circulation air supply duct; 8, wash bucket; 9, impeller/cylinder; 10, air-water heat exchanger; 11, water circulating pump; 12, drip tray, 13, electromagnetic valve one; 14, electromagnetic valve two; 15, electromagnetic valve three.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
A kind of multi-functional CO 2 trans-critical heat pump type washing machine principle figure of the present invention as shown in Figure 1, comprises hot water supply system, oven dry hot-air system, condensed system, CO 2 cross-critical heat pump composition.
Described hot water supply system, be made up of tap water pipe line and carbon dioxide-water heat exchanger 2, low temperature running water (10 ~ 25 DEG C) is after carbon dioxide-water heats with heat exchanger 2, temperature is high 30.0 ~ 45.0 DEG C by 10 ~ 25 DEG C of liftings, then enter washing machine tub 8, complete washing machine the injecting process.After system opens water filling program, heat pump is started working, and carbon-dioxide gas compressor exhaust enters carbon dioxide-water heat exchanger 2 and carries out heat exchange, until the injecting process terminates.
Described oven dry hot-air system, is made up of air-cooled gas cooler 3, uniform circulation air supply duct 7, and air-cooled gas cooler 3 is arranged in wash bucket 8, and is equipped with uniform circulation air supply duct 7, realizes balanced ventilation in wash bucket 8.Air-cooled gas cooler 3 is arranged in wash bucket 8, and described air-cooled gas cooler 3 wind side outlet is connected with uniform circulation air supply duct 7 entrance, and described balanced ventilation pipeline 7 outlet is arranged in wash bucket 8, realizes balanced ventilation in wash bucket 8; Described air-cooled gas cooler 3 wind side entrance is connected with wash bucket 8.The heat of air-cooled gas cooler 3 is from CO 2 cross-critical heat pump, and high temperature carbon dioxide gas is lowered the temperature in air-cooled gas cooler 3.
Described condensed system, be made up of carbon dioxide-water-to-water heat exchanger 6, water circulating pump 11, air water heat exchanger 10 and drip tray 12, be made up of the second carbon dioxide-water-to-water heat exchanger 6, water circulating pump 11, air water heat exchanger 10 and drip tray 12, described second carbon dioxide-water-to-water heat exchanger 6 water side outlet is connected with water circulating pump 11 entrance, water circulating pump 11 outlet is connected with air-water heat exchanger 10 entrance, and air-water heat exchanger 10 outlet is connected with the second carbon dioxide-water-to-water heat exchanger 6 water side entrance; Low-temperature carbon dioxide cold-producing medium after throttling carries out heat exchange through carbon dioxide-water-to-water heat exchanger 6 and condensed system water, circulating water temperature in condensed system reduces, hot and humid gas after water at low temperature after temperature reduces enters air-water heat exchanger 10 and hyperthermia drying washings under the promotion of water circulating pump 11 carries out heat exchange, hot and humid gas condenses at the cold surface of air-water heat exchanger 10, separate out moisture, moisture is assembled at drip tray 12 after separating out, and is expelled to outside washing machine through drainpipe.
Described CO 2 cross-critical heat pump, is made up of carbon-dioxide gas compressor 1, electromagnetic valve 1, electromagnetic valve 14, carbon dioxide-water-to-water heat exchanger 2, air-cooled gas cooler 3, throttling arrangement 4, auxiliary air-cooled heat exchanger 5, carbon dioxide-water-to-water heat exchanger 6 and electromagnetic valve 3 15; Described carbon-dioxide gas compressor 1 exports and is connected with electromagnetic valve 2 14 entrance respectively at electromagnetic valve 1 entrance, described electromagnetic valve 1 outlet is connected with carbon dioxide-water heat exchanger 2 refrigerant side entrance, described electromagnetic valve 2 14 outlet is connected with air-cooled gas cooler 3 refrigerant side entrance, and the heat exchanger 2 refrigerant side outlet of carbon dioxide-water is connected with throttling arrangement 4 entrance respectively with air-cooled gas cooler 3 refrigerant side outlet; Described throttling arrangement 4 exports and is connected with electromagnetic valve 3 15 entrance and auxiliary air-cooled heat exchanger 5 entrance respectively, electromagnetic valve 3 15 outlet is connected with carbon dioxide-water-to-water heat exchanger 6 refrigerant inlet, and the outlet of carbon dioxide-water-to-water heat exchanger 6 refrigerant side exports with auxiliary air-cooled heat exchanger 5 and is connected with carbon-dioxide gas compressor 1 entrance respectively.
CO 2 cross-critical heat pump major function is the condensation of moisture in tap water heating in washing machine start the injecting process, the oven dry of washings and washings drying course.
When arranging control system for washing machine and being in startup charging state, start CO 2 cross-critical heat pump, opens solenoid valve 1, shut electromagnetic valve 2 14 and electromagnetic valve 3 15, high temperature and high pressure gas carbon dioxide coolant after carbon-dioxide gas compressor 1 compresses enters carbon dioxide-water-to-water heat exchanger 2 through electromagnetic valve 13 and carries out exchange heat with running water, be cooled to cryogenic high pressure gaseous carbon dioxide cold-producing medium, become low-temp low-pressure carbon dioxide gas-liquid mixture through throttling arrangement 4 reducing pressure by regulating flow and enter auxiliary air-cooled heat exchanger 5, in auxiliary air-cooled heat exchanger 5, low-temp low-pressure liquid carbon dioxide cold-producing medium evaporation endothermic becomes gaseous refrigerant, get back to compressor, complete the tap water heating process in the injecting process.
When arranging control system for washing machine and being in drying regime, start CO 2 cross-critical heat pump, opens solenoid valve 2 14 and electromagnetic valve 3 15, shut electromagnetic valve 13, high temperature and high pressure gas carbon dioxide coolant after carbon-dioxide gas compressor 1 compresses enters air-cooled gas cooler 3 through electromagnetic valve 2 15 and carries out cooling heat release, heat sends into wash bucket 8 through uniform circulation air supply duct 7, carbon dioxide after the heat release of air-cooled gas cooler 3 becomes cryogenic high pressure carbon dioxide, after throttling arrangement 4 reducing pressure by regulating flow, one tunnel enters carbon dioxide-water-to-water heat exchanger 6 through electromagnetic valve 3 15 and absorbs heat, for the moisture condensed in wash bucket 8, another road enters auxiliary air-cooled heat exchanger 5 and absorbs external heat, makeup energy inputs.
The advantage of the multi-functional CO 2 trans-critical heat pump type washing machine be made up of hot water supply system, oven dry hot-air system, condensed system, CO 2 cross-critical heat pump is to make washing machine water temperature in the course of the work be between 30.0 ~ 45.0 DEG C, improves the clean result of washing powder or liquid detergent; Adopt heat pump heating system to substitute traditional electrical heating, improve efficiency of energy utilization; The mode adopting carbon dioxide heat pump system to produce circulating water solves in auto-drying process opens running water to cool the mode of cold surface, saving water resource.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. a multi-functional CO 2 trans-critical heat pump type washing machine, is characterized in that, is made up of hot water supply system, oven dry hot-air system, condensed system and CO 2 cross-critical heat pump;
Described hot water supply system is made up of tap water pipe line and the first carbon dioxide-water heat exchanger (2), tap water pipe line is connected with the first carbon dioxide-water heat exchanger water side entrance, and described first carbon dioxide-water heat exchanger (2) water side outlet is connected with wash bucket (8) water filling inlet;
Described oven dry hot-air system is made up of air-cooled gas cooler (3) and uniform circulation air supply duct (7), air-cooled gas cooler (3) is arranged in wash bucket (8), described air-cooled gas cooler (3) wind side outlet is connected with uniform circulation air supply duct (7) entrance, described balanced ventilation pipeline (7) outlet is arranged in wash bucket (8), and described air-cooled gas cooler (3) wind side entrance is connected with wash bucket (8);
Described condensed system is made up of the second carbon dioxide-water-to-water heat exchanger (6), water circulating pump (11), air-water heat exchanger (10) and drip tray (12), described second carbon dioxide-water-to-water heat exchanger (6) water side outlet is connected with water circulating pump (11) entrance, water circulating pump (11) outlet is connected with air-water heat exchanger entrance (10), and air-water heat exchanger (10) outlet is connected with the second carbon dioxide-water-to-water heat exchanger (6) water side entrance; Air-water heat exchanger (10) below arranges drip tray (12);
Described CO 2 cross-critical heat pump comprises carbon-dioxide gas compressor, electromagnetic valve one, electromagnetic valve two, throttling arrangement, auxiliary air-cooled heat exchanger and electromagnetic valve three composition; Described carbon-dioxide gas compressor outlet is connected with electromagnetic valve one entrance and electromagnetic valve two entrance respectively, described electromagnetic valve one outlet is connected with the first carbon dioxide-water heat exchanger (2) refrigerant side entrance, described electromagnetic valve two (14) outlet is connected with air-cooled gas cooler (3) refrigerant side entrance, and heat exchanger (2) the refrigerant side outlet of the first carbon dioxide-water is connected with throttling arrangement (4) entrance respectively with the outlet of air-cooled gas cooler (3) refrigerant side; Described throttling arrangement (4) outlet is connected with electromagnetic valve three (15) entrance and auxiliary air-cooled heat exchanger (5) entrance respectively, electromagnetic valve three (15) outlet is connected with the second carbon dioxide-water-to-water heat exchanger (6) refrigerant inlet, and the outlet of the second carbon dioxide-water-to-water heat exchanger (6) refrigerant side is connected with carbon-dioxide gas compressor 1 entrance respectively with auxiliary air-cooled heat exchanger (5) outlet.
2. multi-functional CO 2 trans-critical heat pump type washing machine according to claim 1, is characterized in that, described cold-producing medium adopts carbon dioxide coolant.
3. according to multi-functional CO 2 trans-critical heat pump type washing machine according to claim 1 or claim 2, it is characterized in that, described carbon dioxide-water-to-water heat exchanger and the heat exchanger form of air-water heat exchanger are double pipe heat exchanger, plate type heat exchanger or air-cooled heat exchanger.
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| CN201510280462.8A CN104846586A (en) | 2015-05-28 | 2015-05-28 | Multifunctional trans-critical carbon dioxide heat pump type washing machine |
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| CN201510280462.8A CN104846586A (en) | 2015-05-28 | 2015-05-28 | Multifunctional trans-critical carbon dioxide heat pump type washing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202809A (en) * | 2015-10-26 | 2015-12-30 | 天津商业大学 | Single-unit single-level transcritical carbon dioxide refrigeration/heat pump comprehensive experiment table |
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Application publication date: 20150819 |