CN101776315A - Refrigerating device with compound functions of refrigerating, heat exchange and cold accumulation - Google Patents
Refrigerating device with compound functions of refrigerating, heat exchange and cold accumulation Download PDFInfo
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- CN101776315A CN101776315A CN201010004605A CN201010004605A CN101776315A CN 101776315 A CN101776315 A CN 101776315A CN 201010004605 A CN201010004605 A CN 201010004605A CN 201010004605 A CN201010004605 A CN 201010004605A CN 101776315 A CN101776315 A CN 101776315A
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Abstract
The invention discloses a refrigerating device with compound functions of refrigerating, heat exchange and cold accumulation, which comprises a refrigerating system, a heat exchange system and a cold accumulation system which are independent, wherein the refrigerating system, the heat exchange system and the cold accumulation system can be mutually combined in use to achieve heat exchange-refrigerating, heat exchange-cold release, cold accumulation-refrigerating and other multiple compound operating functions. The refrigerating device can be used in multiple cold energy required places, and can effectively adjust the temperature, save the energy, reduce the consumption and save the expense.
Description
Technical field
The present invention relates to a kind of refrigerating plant with refrigeration, heat exchange, cold-storage complex function.
Background technology
Along with the development of society, many occasions need be carried out cooling throughout the year, and the air conditioning energy consumption of at present simple employing compression refrigeration mode cooling is bigger.In spring, autumn, winter, usually environment point environment temperature can be lower than the temperature with cold spot, owing to possessing the condition that the air, water and the soil that utilize in the natural environment cool off, often can adopt heat exchange method to replace the compression refrigeration mode in this case.
And when summer, because electric load differs greatly round the clock, Utilities Electric Co. can adopt the mode of peak, paddy, charging when dividing equally to collect the electricity charge usually.If air-conditioning is worked when the electricity charge at night paddy, the low temperature solid-state form of energy with energy-accumulation material stored, when daytime, the electricity charge were in peak value, close the bigger compressor of power consumption, only open less fluid drive apparatus of power consumption and blower fan, the energy-accumulation material that will accumulate night melts, and utilizes energy-accumulation material to come cooling by solid-state liquefy release latent heat and sensible heat, can play the effect of peak load shifting, save electricity charge spending.
The product that has hot-swap feature in the market normally is used to the aeration device of taking a breath, the air of discharging carries out sensible heat or full heat exchange when flowing through heat exchange core body and between the fresh air of suction, can only reclaim the energy of discharging in the gas, can not play regulating and controlling effect to temperature with cold spot, and it is bigger to have the on-site installation work amount, can't the partial installation shortcoming.
Existing cold accumulation system mainly adopts large-scale ice-reserving bucket, groove on the market, the center system of forming by refrigerator and pump, heat exchanger and other component, the central air-conditioning that suitable refrigeration requirement is bigger, on-the-spot connecting line and the complicated automaton of installation of needing, can not accomplish plug and play, also can't be used for the less occasion of refrigeration requirement.
Summary of the invention
The present invention seeks to: a kind of independent cooling that not only possesses is provided, independent heat exchange, independent cold accumulation system, and can coordinate mutually between each system, make up and finish heat exchange-refrigeration, heat exchange-release refrigerating plant cold and cold-storage-refrigeration and other multiple compound operational function, so that be applicable to the occasion of multiple refrigeration requirement, thereby effectively regulate temperature, energy-saving and cost-reducing, cut down expenses.
Technical scheme of the present invention is: a kind of refrigerating plant with refrigeration, heat exchange, cold-storage complex function comprises refrigeration system, the heat exchange series cold accumulation system of unifying; It is characterized in that: described refrigeration system comprises compressor, condenser, fluid reservoir, device for drying and filtering, first magnetic valve, first throttle device, first evaporimeter and the gas-liquid separator that connects and composes the loop successively; Described heat-exchange system comprises the first refrigerating medium case, first fluid drive unit, first cooler and second cooler that connects and composes the loop successively; Described cold accumulation system comprises first, second cold-storage loop and releases cold loop that the described first cold-storage loop comprises compressor, condenser, fluid reservoir, device for drying and filtering, second magnetic valve, second throttling arrangement, second evaporimeter and the gas-liquid separator that links to each other successively; The second cold-storage loop comprises first path, second evaporimeter and the cold-storage bucket of the second continuous successively refrigerating medium case, second fluid drive apparatus, two-position three-way valve; And describedly release alternate path, second evaporimeter and the cold-storage bucket that cold loop comprises successively the second refrigerating medium case that links to each other, second fluid drive apparatus, heat exchanger, two-position three-way valve.
Among the present invention when described heat-exchange system and refrigeration system combined running, first magnetic valve is opened and second closed electromagnetic valve, and described first cooler and condenser positioned opposite, and second cooler and the first evaporimeter positioned opposite, environment point cooling medium first cooler condenser of flowing through again of flowing through earlier, and with cold spot medium second cooler, first evaporimeter of flowing through again of flowing through earlier.Concrete operation is as follows:
Described first fluid drive unit only just starts when environment point temperature is lower than with cold-point temperature, after it starts the refrigerating medium in the first refrigerating medium case pumped into first cooler and environment point medium heat exchange cool off after, enter second cooler, and carry out heat exchange with medium with cold spot, temperature is got back to the first refrigerating medium case after raising, sucked by the first fluid drive unit once more, circulation realizes heat exchange continuously; Compressor is compressed into high temperature and high pressure gas with refrigerant and enters condenser and the heat exchange of environment point medium simultaneously, after being condensed into liquid, enter fluid reservoir, the drying filter filters the back and enters first evaporimeter by first magnetic valve and the first throttle device of opening, liquid refrigerants evaporates heat absorption and becomes gaseous state in first evaporimeter, sucked by compressor once more, said process reaches the refrigeration purpose repeatedly; Environment point cooling medium first cooler condenser of flowing through again of flowing through earlier in this process, and with cold spot medium second cooler, first evaporimeter of flowing through again of flowing through earlier, and with the cold spot medium by stepped cooling.
Among the present invention when described cold accumulation system and refrigeration system combined running, first magnetic valve and second magnetic valve are all opened, and first path of two-position three-way valve is connected, the operative liquid refrigerant enters second evaporimeter and refrigerating medium heat exchange, all the other liquid refrigerants then enter first evaporimeter, and the evaporation gasification is with cooling cold spot medium.Concrete operation is as follows:
Described compressor is compressed into high temperature and high pressure gas with refrigerant, after entering condenser and environment point heat transferring medium and finishing heat exchange and be condensed into liquid, enter fluid reservoir, and after the filtration of drying filter, the operative liquid refrigerant enters second evaporimeter and refrigerating medium heat exchange by second magnetic valve and second throttling arrangement of opening, carburation by evaporation and sucked by compressor and to enter next circulation in second evaporimeter; All the other liquid refrigerants then enter first evaporimeter by first magnetic valve and the first throttle device of opening, and the evaporation gasification is with cooling cold spot medium; Simultaneously the refrigerating medium in second evaporimeter flows into the cold-storage bucket under the driving of second fluid drive apparatus, with the energy-accumulation material heat exchange in the cold-storage bucket, with the reduction of energy-accumulation material temperature or be frozen into the solid-state cold-storage of finishing; Under the situation that first path of two-position three-way valve is connected, described refrigerating medium circulates and the heat exchanger of not flowing through between the cold-storage bucket and second evaporimeter.
Among the present invention when described heat-exchange system and cold accumulation system combined running, described second magnetic valve is opened and first closed electromagnetic valve, the alternate path of two-position three-way valve is connected simultaneously, and the described heat exchanger and the second cooler positioned opposite, cold accumulation system is released cold operation, flows to heat exchanger and refrigerating medium heat exchange cooling again with the cold spot medium after second cooler cools.Concrete operation is as follows:
Described first fluid drive unit only just starts when environment point temperature is lower than with cold-point temperature, after it starts the refrigerating medium in the first refrigerating medium case pumped into first cooler and environment point medium heat exchange cool off after, enter second cooler, and carry out heat exchange with medium with cold spot, temperature is got back to the first refrigerating medium case after raising, and sucked by the first fluid drive unit once more, circulation realizes heat exchange continuously; When heat exchange is not satisfied cooling when requiring, second fluid drive apparatus starts, and under the situation that the alternate path of two-position three-way valve is connected, refrigerating medium flows through and the energy-accumulation material heat exchange of having accumulated in the cold-storage bucket, refrigerating medium after being cooled enters heat exchanger, with the heat exchange of usefulness cold spot medium, finish release cold, refrigerating medium after the temperature rise flow through again cold-storage bucket and energy-accumulation material heat exchange and circulation repeatedly once more, flowing to heat exchanger and refrigerating medium heat exchange cooling again with the cold spot medium after second cooler cools in this process, is stepped being cooled with the cold spot medium.
This refrigerating plant of the present invention with refrigeration, heat exchange, cold-storage complex function, the same with prior art, also comprise control system and temp measuring system, described control system mainly adopts single-chip microcomputer to control described refrigeration system, heat exchange series the opening and closing and coordinate operation each other of inner each assembly of cold accumulation system of unifying.Described temp measuring system then mainly comes real-time detected temperatures by the temperature transducer that is separately positioned on cold spot and environment point, and temperature data is transferred to control system, judge according to the temperature that records by control system again and adopt heat exchange one refrigeration, the any running in cold-peace cold-storage one refrigeration and other multiple compound operating mode released in heat exchange one, so that can better regulate temperature and energy-saving and cost-reducing.Certainly control system and temp measuring system are technology well-known to those skilled in the art, so no longer describe in detail.
Advantage of the present invention is:
This refrigerating plant of the present invention with refrigeration, heat exchange, cold-storage complex function, not only possesses independent cooling, independent heat exchange, independent cold accumulation system, and can coordinate mutually between each system, make up and finish heat exchange-refrigeration, heat exchange-release cold and cold-storage-refrigeration and other multiple compound operational function, therefore be applicable to the occasion of multiple refrigeration requirement, compare existing refrigeration plant the wider scope of application is arranged, and can more efficiently adjusting temperature, energy-saving and cost-reducing further, cut down expenses.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the structural representation of a kind of specific embodiment of the present invention.
Wherein: 1, compressor; 2, condenser; 3, fluid reservoir; 4, device for drying and filtering; 5, first magnetic valve; 6, first throttle device; 7, first evaporimeter 8, gas-liquid separator; 9, the first refrigerating medium case; 10, first fluid drive unit 11, first cooler; 12, second cooler 13, second magnetic valve; 14, second throttling arrangement; 15, second evaporimeter 16, the second refrigerating medium case; 17, second fluid drive apparatus; 18, two-position three-way valve; 19, cold-storage bucket; 20, heat exchanger.
The specific embodiment
Embodiment: in conjunction with Figure 1 shows that the present invention has a kind of specific embodiment of the refrigerating plant of refrigeration, heat exchange, cold-storage complex function, it together is made up of refrigeration system, heat-exchange system, cold accumulation system and control system and temp measuring system; Wherein said refrigeration system comprises compressor 1, condenser 2, fluid reservoir 3, device for drying and filtering 4, first magnetic valve 5, first throttle device 6, first evaporimeter 7 and the gas-liquid separator 8 that connects and composes the loop successively; Described heat-exchange system comprises the first refrigerating medium case 9, first fluid drive unit 10, first cooler 11 and second cooler 12 that connects and composes the loop successively; Wherein first cooler 11 and aforementioned condenser 2 positioned opposite, and second cooler 12 and first evaporimeter, 7 positioned opposite; Described cold accumulation system comprises first, second cold-storage loop and releases cold loop that the described first cold-storage loop comprises compressor 1, condenser 2, fluid reservoir 3, device for drying and filtering 4, second magnetic valve 13, second throttling arrangement 14, second evaporimeter 15 and the gas-liquid separator 8 that links to each other successively; The second cold-storage loop comprises first path, second evaporimeter 15 and the cold-storage bucket 19 of the second continuous successively refrigerating medium case 16, second fluid drive apparatus 17, two-position three-way valve 18; And describedly release alternate path, second evaporimeter 15 and the cold-storage bucket 19 that cold loop comprises successively the second refrigerating medium case 16 that links to each other, second fluid drive apparatus 17, heat exchanger 20, two-position three-way valve 18, described heat exchanger 20 is arranged between second cooler 12 and first evaporimeter 7, and relative with second cooler 12.Described control system adopts single-chip microcomputer to control described refrigeration system, heat exchange series the opening and closing and coordinate operation each other of inner each assembly of cold accumulation system of unifying.Described temp measuring system then mainly comes real-time detected temperatures by the temperature transducer that is separately positioned on cold spot and environment point, and temperature data is transferred to control system, judge employing heat exchange-refrigeration by control system according to the temperature that records again, heat exchange-release any running the in cold-peace cold-storage-refrigeration and other the multiple compound operating mode, with better adjusting temperature and energy-saving and cost-reducing.
The process that works alone of refrigeration system described in the present embodiment is as follows: compressor 1 is compressed into high temperature and high pressure gas with refrigerant and enters condenser 2 and the heat exchange of environment point medium, after being condensed into liquid, enter fluid reservoir 3, drying filter 4 filters the back and enters first evaporimeter 7 by first magnetic valve 5 and the first throttle device of opening 6, liquid refrigerants evaporates heat absorption and becomes gaseous state in first evaporimeter 7, sucked by compressor 1 once more, said process reaches the refrigeration purpose repeatedly.When refrigeration system worked alone, second magnetic valve 13 cut out liquid refrigerants is ended.
The process that works alone of cold accumulation system described in the present embodiment is as follows: compressor 1 is compressed into high temperature and high pressure gas with refrigerant, enter condenser 2 and finish heat exchange with environment point heat transferring medium, enter fluid reservoir 3 after being condensed into liquid, and after 4 filtrations of drying filter, enter second evaporimeter 15 and refrigerating medium heat exchange by second magnetic valve 13 and second throttling arrangement of opening 14, carburation by evaporation and sucked by compressor 1 and to enter next circulation in second evaporimeter 15, refrigerating medium in second evaporimeter 15 flows into cold-storage bucket 19 under the driving of second fluid drive apparatus 17, by with cold-storage bucket 19 in the energy-accumulation material heat exchange, the energy-accumulation material temperature reduced or be frozen into solid-state.Two-position three-way valve 18 is opened at this moment, makes refrigerating medium circulate the heat exchanger 20 of not flowing through between the cold-storage bucket 19 and second evaporimeter 15.When cold accumulation system worked alone, first magnetic valve 5 cut out liquid refrigerants is ended.
The process that works alone of heat-exchange system described in the present embodiment is as follows: when place measurement value sensor with cold spot and environment point compare temperature with cold spot be higher than the certain numerical value of environment point after (for example: with 35 ℃ of cold spots, 30 ℃ of environment), first fluid drive unit 10 starts, after refrigerating medium in the first refrigerating medium case 9 pumped into first cooler 11 and cool off with the exchange of environment point medium heat, enter second cooler 12, and carry out heat exchange with medium with cold spot, temperature is got back to the first refrigerating medium case 9 after raising, sucked by first fluid drive unit 10 once more, circulation realizes heat exchange continuously, and guarantees the not directly contact of two ends medium of heat exchange.
Heat-exchange system described in the present embodiment and refrigeration system combined running, the course of work is as follows: when place measurement value sensor with cold spot and environment point compare temperature with cold spot be higher than the certain numerical value of environment point after (for example: with 35 ℃ of cold spots, 30 ℃ of environment), first fluid drive unit 10 starts, after refrigerating medium in the first refrigerating medium case 9 pumped into first cooler 11 and cool off with the exchange of environment point medium heat, enter second cooler 12, and carry out heat exchange with medium with cold spot, temperature is got back to the first refrigerating medium case 9 after raising, sucked by first fluid drive unit 10 once more, circulation realizes heat exchange continuously, and guarantees the not directly contact of two ends medium of heat exchange.Compressor 1 is compressed into high temperature and high pressure gas with refrigerant and enters condenser 2 and surrounding medium heat exchange simultaneously, after being condensed into liquid, enter fluid reservoir 3, drying filter 4 filters the back and enters first evaporimeter 7 by first magnetic valve 5 and the first throttle device of opening 6, liquid refrigerants evaporates heat absorption and becomes gaseous state in first evaporimeter 7, sucked by compressor 1 once more, said process reaches the refrigeration purpose repeatedly.Another loop of liquid refrigerants is ended by second magnetic valve 13 and second throttling arrangement 14 in this process.Described first cooler 11 and condenser 2 positioned opposite, the cooling medium of environment point first cooler 11 of flowing through earlier flows through condenser 2 again, because the temperature of natural cause decision cooling medium is lower than the temperature of refrigerant in the condenser 2, so cooling procedure also is the ladder state; Described second cooler 12 of while and first evaporimeter 7 be positioned opposite also, flow through first evaporimeter 7 again with the medium of cold spot second cooler 12 of flowing through earlier, when medium during through second cooler 12, temperature drop is less, be higher than first evaporimeter, 7 surface temperatures, be further cooled to temperature required during through first evaporimeter 7.Control system just starts first fluid drive unit 10 when guaranteeing to have only environment temperature to be lower than with cold-point temperature, when preventing that environment temperature is higher than with cold-point temperature amount of heat is brought to and uses cold spot.
When cold accumulation system described in the present embodiment and refrigeration system combined running, the course of work is as follows: compressor 1 is compressed into high temperature and high pressure gas with refrigerant, after entering condenser 2 and environment heat transferring medium and finishing heat exchange and be condensed into liquid, enter fluid reservoir 3, and after 4 filtrations of drying filter, the operative liquid refrigerant enters second evaporimeter 15 and refrigerating medium heat exchange by second magnetic valve 13 opened and second throttling arrangement 14, carburation by evaporation and entered next circulation by compressor 1 suction second evaporimeter 15 in; Meanwhile first magnetic valve 5 and first throttle device 6 are adjusted to required aperture, and all the other liquid refrigerants enter first evaporimeter 7, and the cold spot medium is used in evaporation gasification cooling, satisfy the requirement of operation simultaneously of cold-storage and refrigeration.And the refrigerating medium in second evaporimeter 15 flows into cold-storage bucket 19 under the driving of second fluid drive apparatus 17, with the energy-accumulation material heat exchange in the cold-storage bucket 19, the energy-accumulation material temperature reduced or be frozen into the solid-state cold-storage of finishing, first path of two-position three-way valve 18 is connected in this process, refrigerating medium is circulated between the cold-storage bucket 19 and second evaporimeter 15, and the heat exchanger 20 of not flowing through.
When heat-exchange system described in the present embodiment and cold accumulation system combined running, the course of work is as follows: when place measurement value sensor with cold spot and environment point compare temperature with cold spot be higher than the certain numerical value of environment point after (for example: with 35 ℃ of cold spots, 30 ℃ of environment), first fluid drive unit 10 starts, after refrigerating medium in the first refrigerating medium case 9 pumped into first cooler 11 and cool off with the exchange of environment point medium heat, enter second cooler 12, and carry out heat exchange with medium with cold spot, temperature is got back to the first refrigerating medium case 9 after raising, and sucked by first fluid drive unit 10 once more, circulation realizes heat exchange continuously, and guarantees the not directly contact of two ends medium of heat exchange.When heat exchange is not satisfied cooling when requiring, second fluid drive apparatus 17 starts, and the alternate path of two-position three-way valve 18 is connected, refrigerating medium flows through and the energy-accumulation material heat exchange of having accumulated in cold-storage bucket 19, refrigerating medium after being cooled enters heat exchanger 20, with with the heat exchange of cold spot medium, finish release cold, the refrigerating medium after the temperature rise flow through again cold-storage bucket 19 and energy-accumulation material heat exchange and circulation repeatedly once more.Described second cooler 12 and heat exchanger 20 positioned opposite flows to heat exchanger 20 and refrigerating medium heat exchange cooling again with the cold spot medium after second cooler 12 cools, be stepped being cooled with the cold spot medium.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (7)
1. refrigerating plant with refrigeration, heat exchange, cold-storage complex function comprises refrigeration system, the heat exchange series cold accumulation system of unifying; It is characterized in that: described refrigeration system comprises compressor (1), condenser (2), fluid reservoir (3), device for drying and filtering (4), first magnetic valve (5), first throttle device (6), first evaporimeter (7) and the gas-liquid separator (8) that connects and composes the loop successively; Described heat-exchange system comprises the first refrigerating medium case (9), first fluid drive unit (10), first cooler (11) and second cooler (12) that connects and composes the loop successively; Described cold accumulation system comprises first, second cold-storage loop and releases cold loop that the described first cold-storage loop comprises compressor (1), condenser (2), fluid reservoir (3), device for drying and filtering (4), second magnetic valve (13), second throttling arrangement (14), second evaporimeter (15) and the gas-liquid separator (8) that links to each other successively; The second cold-storage loop comprises first path, second evaporimeter (15) and the cold-storage bucket (19) of the second continuous successively refrigerating medium case (16), second fluid drive apparatus (17), two-position three-way valve (18); And describedly release alternate path, second evaporimeter (15) and the cold-storage bucket (19) that cold loop comprises successively the second refrigerating medium case (16) that links to each other, second fluid drive apparatus (17), heat exchanger (20), two-position three-way valve (18).
2. the refrigerating plant with refrigeration, heat exchange, cold-storage complex function according to claim 1, when it is characterized in that described heat-exchange system and refrigeration system combined running, first magnetic valve (5) is opened and second magnetic valve (13) cuts out, and described first cooler (11) and condenser (2) positioned opposite, and second cooler (12) and first evaporimeter (7) positioned opposite, environment point cooling medium first cooler (11) condenser (2) of flowing through again of flowing through earlier, and with cold spot medium second cooler (12), first evaporimeter (7) of flowing through again of flowing through earlier.
3. the refrigerating plant with refrigeration, heat exchange, cold-storage complex function according to claim 2, it is characterized in that described first fluid drive unit (10) only just starts when environment point temperature is lower than with cold-point temperature, after after it starts the refrigerating medium in the first refrigerating medium case (9) being pumped into first cooler (11) and cooling off with the exchange of environment point medium heat, enter second cooler (12), and carry out heat exchange with medium with cold spot, temperature is got back to the first refrigerating medium case (9) after raising, sucked by first fluid drive unit (10) once more, circulation realizes heat exchange continuously; Compressor (1) is compressed into high temperature and high pressure gas with refrigerant and enters condenser (2) and the heat exchange of environment point medium simultaneously, after being condensed into liquid, enter fluid reservoir (3), drying filter (4) filters the back and enters first evaporimeter (7) by first magnetic valve (5) and the first throttle device of opening (6), liquid refrigerants evaporates heat absorption and becomes gaseous state in first evaporimeter (7), sucked by compressor (1) once more, said process reaches the refrigeration purpose repeatedly; In this process with cold spot medium second cooler (12), first evaporimeter (7) of flowing through again of flowing through earlier, first cooler (11) condenser (2) of flowing through again and environment point cooling medium is flowed through earlier, with the cold spot medium by stepped cooling.
4. the refrigerating plant with refrigeration, heat exchange, cold-storage complex function according to claim 1, when it is characterized in that described cold accumulation system and refrigeration system combined running, first magnetic valve (5) and second magnetic valve (13) are all opened, and first path of two-position three-way valve (18) is connected, the operative liquid refrigerant enters second evaporimeter (15) and refrigerating medium heat exchange, all the other liquid refrigerants then enter first evaporimeter (7), and the evaporation gasification is with cooling cold spot medium.
5. according to claim 4 have a refrigeration, heat exchange, the refrigerating plant of cold-storage complex function, it is characterized in that described compressor (1) is compressed into high temperature and high pressure gas with refrigerant, after entering condenser (2) and environment point heat transferring medium and finishing heat exchange and be condensed into liquid, enter fluid reservoir (3), and after drying filter (4) filtration, the operative liquid refrigerant enters second evaporimeter (15) and refrigerating medium heat exchange by second magnetic valve (13) opened and second throttling arrangement (14), carburation by evaporation and entered next circulation by compressor (1) suction second evaporimeter (15) in; All the other liquid refrigerants then enter first evaporimeter (7) by first magnetic valve (5) and the first throttle device of opening (6), and the evaporation gasification is with cooling cold spot medium; Simultaneously the refrigerating medium in second evaporimeter (15) flows into cold-storage bucket (19) under the driving of second fluid drive apparatus (17), with the interior energy-accumulation material heat exchange of cold-storage bucket (19), with the reduction of energy-accumulation material temperature or be frozen into the solid-state cold-storage of finishing; Under the situation that first path of two-position three-way valve (18) is connected, described refrigerating medium circulates and the heat exchanger (20) of not flowing through between cold-storage bucket (19) and second evaporimeter (15).
6. the refrigerating plant with refrigeration, heat exchange, cold-storage complex function according to claim 1, when it is characterized in that described heat-exchange system and cold accumulation system combined running, described second magnetic valve (13) is opened and first magnetic valve (5) cuts out, the alternate path of two-position three-way valve (18) is connected simultaneously, and described heat exchanger (20) and second cooler (12) positioned opposite, cold accumulation system is released cold operation, flows to heat exchanger (20) and refrigerating medium heat exchange cooling again with the cold spot medium after second cooler (12) cools.
7. the refrigerating plant with refrigeration, heat exchange, cold-storage complex function according to claim 6, it is characterized in that described first fluid drive unit (10) only just starts when environment point temperature is lower than with cold-point temperature, after after it starts the refrigerating medium in the first refrigerating medium case (9) being pumped into first cooler (11) and cooling off with the exchange of environment point medium heat, enter second cooler (12), and carry out heat exchange with medium with cold spot, temperature is got back to the first refrigerating medium case (9) after raising, and sucked by first fluid drive unit (10) once more, circulation realizes heat exchange continuously; When heat exchange is not satisfied cooling when requiring, second fluid drive apparatus (17) starts, and under the situation that the alternate path of two-position three-way valve (18) is connected, refrigerating medium flows through and the energy-accumulation material heat exchange of having accumulated in cold-storage bucket (19), refrigerating medium after being cooled enters heat exchanger (20), with the heat exchange of usefulness cold spot medium, finish release cold, refrigerating medium after the temperature rise flow through again cold-storage bucket (19) and energy-accumulation material heat exchange and circulation repeatedly once more, flowing to heat exchanger (20) and refrigerating medium heat exchange cooling again with the cold spot medium after second cooler (12) cools in this process, is stepped being cooled with the cold spot medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010004605XA CN101776315B (en) | 2010-01-11 | 2010-01-11 | Refrigerating device with compound functions of refrigerating, heat exchange and cold accumulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010004605XA CN101776315B (en) | 2010-01-11 | 2010-01-11 | Refrigerating device with compound functions of refrigerating, heat exchange and cold accumulation |
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| CN101776315A true CN101776315A (en) | 2010-07-14 |
| CN101776315B CN101776315B (en) | 2012-06-20 |
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| CN201010004605XA Expired - Fee Related CN101776315B (en) | 2010-01-11 | 2010-01-11 | Refrigerating device with compound functions of refrigerating, heat exchange and cold accumulation |
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- 2010-01-11 CN CN201010004605XA patent/CN101776315B/en not_active Expired - Fee Related
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| CN105303702A (en) * | 2015-10-08 | 2016-02-03 | 浙江大学 | Instant-heating-cooling dual automatic vending machines and supply methods of same |
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