CN209783031U - Multifunctional refrigeration module and refrigeration system composed of same - Google Patents
Multifunctional refrigeration module and refrigeration system composed of same Download PDFInfo
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- CN209783031U CN209783031U CN201920404150.7U CN201920404150U CN209783031U CN 209783031 U CN209783031 U CN 209783031U CN 201920404150 U CN201920404150 U CN 201920404150U CN 209783031 U CN209783031 U CN 209783031U
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Abstract
The utility model discloses a multi-functional refrigeration module and refrigerating system who constitutes thereof aims at providing one kind and can realize multiple endless refrigeration module, and can realize multiple refrigeration temperature's refrigerating system. In the module, a compressor, a first two-way valve, a condenser, a first throttle valve, a fourth two-way valve and an evaporator are sequentially connected and then return to the air suction end of the compressor to form a single-stage compression refrigeration cycle; the compressor, the first two-way valve, the condenser, the first throttling valve, the third two-way valve, the heat exchanger and the sixth two-way valve are sequentially connected and then return to the air suction end of the compressor to form an overlapped high-temperature stage refrigeration cycle; the compressor, the second two-way valve, the heat exchanger, the fifth two-way valve, the second throttling valve and the evaporator are sequentially connected and then return to the air suction end of the compressor to form the cascade low-temperature stage refrigeration cycle. The module is used in a refrigerating system, can set reasonable module quantity and functions according to different temperatures, and overcomes the defect that the refrigerating temperature interval of the traditional cascade refrigerating system is fixed.
Description
Technical Field
The utility model relates to a refrigeration technology field, more specifically say so, relate to a multi-functional refrigeration module that both can be used to single-stage compression refrigeration cycle system and can be used to cascade refrigeration high temperature system or low temperature system and the refrigerating system who constitutes thereof.
Background
in the aspect of refrigeration, because a single-stage compression refrigeration cycle system cannot realize low-temperature refrigeration, in order to obtain a lower temperature, a cascade refrigeration system is often adopted to obtain a lower refrigeration temperature. In the cascade refrigeration system, heat is absorbed from a low-temperature heat source through the low-temperature refrigeration system, transferred to a condensing evaporator which is connected with the low-temperature refrigeration system and the high-temperature refrigeration system, and then transferred to a high-temperature environment through the high-temperature refrigeration system. At present, the arrangement of a cascade refrigeration cycle system is relatively fixed, a traditional cascade refrigeration system generally adopts a condensing evaporator to transfer heat absorbed by a low-temperature stage to a high-temperature stage, the heat transfer mode and the transferred heat are relatively single, a refrigeration temperature interval is relatively fixed, and medium-temperature refrigeration is not easy to realize.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can realize multiple endless refrigeration module to the technical defect who exists among the prior art.
Another object of the present invention is to provide a refrigeration system capable of achieving multiple refrigeration temperatures.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
A multifunctional refrigeration module comprises a compressor, a condenser, an evaporator, a heat exchanger, a first throttle valve and a second throttle valve, wherein the gas exhaust end of the compressor is respectively connected with a first interface of a first two-way valve and a first interface of a second two-way valve, a second interface of the first two-way valve is sequentially connected with the condenser and the first throttle valve, an outlet of the first throttle valve is respectively connected with a first interface of a third two-way valve and a first interface of a fourth two-way valve, a second interface of the second two-way valve is respectively connected with a first interface of a sixth two-way valve and a first interface of the heat exchanger, a second interface of the heat exchanger is respectively connected with a second interface of the third two-way valve and a first interface of a fifth two-way valve, a second interface of the fifth two-way valve is connected with an inlet of the second throttle valve, an inlet of the evaporator is respectively connected with an outlet of the second throttle valve and a second interface of the fourth two-way valve, an outlet of the evaporator is respectively connected with a second interface of the sixth two-way valve and a gas suction end of the compressor, and the heat exchanger is arranged in the heat accumulator; the first two-way valve and the fourth two-way valve are opened, the second two-way valve, the third two-way valve, the fifth two-way valve and the sixth two-way valve are closed, and the compressor, the first two-way valve, the condenser, the first throttle valve, the fourth two-way valve and the evaporator are sequentially connected and then return to the air suction end of the compressor to form a single-stage compression refrigeration cycle; the first two-way valve, the third two-way valve and the sixth two-way valve are opened, the second two-way valve, the fourth two-way valve and the fifth two-way valve are closed, and the compressor, the first two-way valve, the condenser, the first throttle valve, the third two-way valve, the heat exchanger and the sixth two-way valve are sequentially connected and then return to the air suction end of the compressor to form an cascade high-temperature stage refrigeration cycle; the second two-way valve and the fifth two-way valve are opened, the first two-way valve, the third two-way valve, the fourth two-way valve and the sixth two-way valve are closed, and the compressor, the second two-way valve, the heat exchanger, the fifth two-way valve, the second throttle valve and the evaporator are sequentially connected and then return to the air suction end of the compressor to form the cascade low-temperature stage refrigeration cycle.
A refrigerating system comprises at least three multifunctional refrigerating modules, wherein each multifunctional refrigerating module is respectively used as a single-stage compression refrigerating cycle or a cascade low-temperature stage refrigerating cycle or a cascade high-temperature stage refrigerating cycle.
When the multiple multifunctional refrigeration modules form a cascade refrigeration system, the heat exchanger of the multifunctional refrigeration module for cascade high-temperature stage refrigeration circulation absorbs heat from the heat accumulator, and the heat exchanger of the multifunctional refrigeration module for cascade low-temperature stage refrigeration circulation discharges the heat absorbed by the heat exchanger as the cascade high-temperature stage refrigeration circulation to the heat accumulator.
Compared with the prior art, the beneficial effects of the utility model are that:
1. The utility model discloses a multi-functional refrigeration module can realize nimble, manifold single-stage compression refrigeration cycle, cascade high temperature level refrigeration cycle and cascade low temperature level refrigeration cycle through the opening and the closure of control two-way valve through reasonable design, is favorable to being suitable for the use needs of different operating modes.
2. The utility model discloses a multi-functional refrigeration module can be used for the refrigeration experiment, under the same condition, can do different endless contrast experiments in a system, and various circulation conversions are nimble convenient, are convenient for do the contrast experiment. Meanwhile, the construction cost of the experiment table is saved, the debugging is simple and convenient, and the accuracy of the experiment data is improved.
3. the utility model discloses a refrigerating system comprises three and above multi-functional refrigeration module, and multi-functional refrigeration module can be arranged in the freezer that the secondary refrigerant of ammonia replaced freon, can set up reasonable module quantity according to the required temperature of freezer of difference, sets up the function that every module realized, easily reaches the required temperature of different freezers simultaneously, overcomes the interval fixed shortcoming of traditional cascade refrigerating system refrigeration temperature.
4. The utility model discloses a refrigerating system passes through low temperature level condenser and passes to the high temperature level evaporimeter with the absorptive heat of low temperature level refrigerating system, can set up the quantity of low temperature level condenser and high temperature level evaporimeter with the heat that needs the transmission as required between the refrigerated temperature range, and the heat interval scope of transmission is great, easily realizes medium temperature refrigeration and low temperature refrigeration.
Drawings
Fig. 1 is a schematic view of the multifunctional refrigeration module of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The schematic diagram of the multifunctional refrigeration module of the utility model is shown in fig. 1, and comprises a compressor 1, a condenser 3, an evaporator 6, a heat exchanger 5, a first throttle valve 4-1 and a second throttle valve 4-2, wherein the exhaust end of the compressor 1 is respectively connected with a first interface of a first two-way valve 2-1 and a first interface of a second two-way valve 2-2, a second interface of the first two-way valve 2-1 is sequentially connected with the condenser 3 and the first throttle valve 4-1, the outlet of the first throttle valve 4-1 is respectively connected with a first interface of a third two-way valve 2-3 and a first interface of a fourth two-way valve 2-4, a second interface of the second two-way valve 2-2 is respectively connected with a first interface of a sixth two-way valve 2-6 and a first interface of the heat exchanger 5, a second interface of the heat exchanger 5 is respectively connected with a second interface of the third two-way valve 2-3 and a first interface of the fifth two-way valve 2-5, a second interface of the fifth two-way valve 2-5 is connected with an inlet of the second throttling valve 4-2, an inlet of the evaporator 6 is respectively connected with an outlet of the second throttling valve 4-2 and a second interface of the fourth two-way valve 2-4, an outlet of the evaporator 6 is respectively connected with a second interface of the sixth two-way valve 2-6 and an air suction end of the compressor 1, and the heat exchanger 5 is arranged in the heat accumulator.
When the compressor is used for a single-stage compression system, the first two-way valve 2-1 and the fourth two-way valve 2-4 are opened, the second two-way valve 2-2, the third two-way valve 2-3, the fifth two-way valve 2-5 and the sixth two-way valve 2-6 are closed, and the compressor 1, the first two-way valve 2-1, the condenser 3, the first throttle valve 4-1, the fourth two-way valve 2-4 and the evaporator 6 are sequentially connected and then return to the air suction end of the compressor 1 to form a single-stage compression refrigeration cycle. After being compressed by the compressor 1, a refrigerant working medium enters the condenser 3 for condensation through the first two-way valve 2-1, enters the first throttling valve 4-1 for throttling after being condensed, enters the evaporator 6 for evaporation and refrigeration through the fourth two-way valve 2-4 after being throttled, enters the compressor 1 after being evaporated to complete refrigeration cycle, the heat exchanger 5 is separated, the evaporator 6 absorbs heat, the condenser 3 rejects heat to the environment, and the multifunctional refrigeration module is used for single-stage compression refrigeration cycle.
When the cascade high-temperature grade refrigerating system is used, the first two-way valve 2-1, the third two-way valve 2-3 and the sixth two-way valve 2-6 are opened, the second two-way valve 2-2, the fourth two-way valve 2-4 and the fifth two-way valve 2-5 are closed, the heat exchangers 5 are arranged in the heat accumulator, the number of the heat exchangers 5 is small, and the heat of the heat accumulator directly enters a cold storage warehouse. The compressor 1, the first two-way valve 2-1, the condenser 3, the first throttle valve 4-1, the third two-way valve 2-3, the heat exchanger 5 and the sixth two-way valve 2-6 are sequentially connected and then return to the air suction end of the compressor 1 to form the cascade high-temperature stage refrigeration cycle. The heat exchanger 5 realizes an evaporation function. After being compressed by the compressor 1, the refrigerant working medium enters the condenser 3 for condensation through the first two-way valve 2-1, enters the first throttling valve 4-1 for throttling after being condensed, enters the heat exchanger 5 for evaporation and refrigeration through the third two-way valve 2-3 after being throttled, and enters the compressor 1 after passing through the sixth two-way valve 2-6 for realizing cascade high-temperature stage refrigeration cycle after being evaporated.
When the cascade low-temperature stage refrigerating system is used, the second two-way valve 2-2 and the fifth two-way valve 2-5 are opened, the first two-way valve 2-1, the third two-way valve 2-3, the fourth two-way valve 2-4 and the sixth two-way valve 2-6 are closed, and the compressor 1, the second two-way valve 2-2, the heat exchanger 5, the fifth two-way valve 2-5, the second throttling valve 4-2 and the evaporator 6 are sequentially connected and then return to the air suction end of the compressor 1 to form a cascade low-temperature stage refrigerating cycle. The heat exchanger 5 achieves a condensation function. After being compressed by the compressor 1, the refrigerant working medium enters the heat exchanger 5 through the second two-way valve 2-2 for condensation, enters the second throttling valve 4-2 for throttling after being condensed through the fifth two-way valve 2-5, enters the evaporator 6 for evaporation and refrigeration after being throttled, and enters the compressor 1 for realizing the cascade low-temperature stage refrigeration cycle system after being evaporated.
The utility model discloses a refrigerating system of multiple different operating modes can be constituteed to multi-functional refrigeration module, includes at least three foretell multi-functional refrigeration module, every in refrigerating system multi-functional refrigeration module is regarded as single-stage compression refrigeration cycle or cascade low temperature level refrigeration cycle or cascade high temperature level refrigeration cycle respectively.
When the multiple multifunctional refrigeration modules form a cascade refrigeration system, the heat exchanger of the multifunctional refrigeration module for cascade high-temperature stage refrigeration circulation absorbs heat from the heat accumulator, and the heat exchanger of the multifunctional refrigeration module for cascade low-temperature stage refrigeration circulation discharges the heat absorbed by the heat exchanger as the cascade high-temperature stage refrigeration circulation to the heat accumulator.
When the multifunctional refrigeration module is used for a high-temperature-level function and a low-temperature-level function as a cascade refrigeration system, the corresponding multifunctional refrigeration module can be used for high-temperature-level circulation or low-temperature-level circulation according to needs, the number of the multifunctional refrigeration modules used for the high-temperature-level refrigeration system and the low-temperature-level refrigeration system can be determined according to needs, a heat exchanger (realizing an evaporation function) of the multifunctional refrigeration module used for the high-temperature-level refrigeration circulation absorbs heat from a heat accumulator, and a heat exchanger (realizing a condensation function) of the multifunctional refrigeration module used for the low-temperature-level refrigeration circulation discharges the heat absorbed by an evaporator of the multifunctional refrigeration module used for the high-temperature-level function to the heat accumulator. The number of the multifunctional refrigeration modules forming the refrigeration system is three or more, and the more the multifunctional refrigeration modules are, the better the flexibility and diversity of the refrigeration system are. A system having three multi-function refrigeration modules is described below as an example.
Taking the first multifunctional refrigeration module as a high-temperature refrigeration cycle, and the second multifunctional refrigeration module and the third multifunctional refrigeration module as a low-temperature refrigeration cycle as examples, when cascade refrigeration is performed, the first two-way valve 2-1, the third two-way valve 2-3 and the sixth two-way valve 2-6 in the first multifunctional refrigeration module are opened, the second two-way valve 2-2, the fourth two-way valve 2-4 and the fifth two-way valve 2-5 are closed, and the heat exchanger 5 realizes an evaporation function. In the second multifunctional refrigeration module and the third multifunctional refrigeration module, the second two-way valve 2-2 and the fifth two-way valve 2-5 are opened, the first two-way valve 2-1, the third two-way valve 2-3, the fourth two-way valve 2-4 and the sixth two-way valve 2-6 are closed, the heat exchanger 5 realizes a condensation function, the heat exchanger 5 of the first multifunctional refrigeration module for the high-temperature-level refrigeration system absorbs heat from the heat accumulator, and the heat exchangers 5 of the second multifunctional refrigeration module and the third multifunctional refrigeration module for the low-temperature-level refrigeration system discharge the heat absorbed by the heat exchanger 5 of the first multifunctional refrigeration module for the high-temperature-level to the heat accumulator.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A multifunctional refrigeration module is characterized by comprising a compressor, a condenser, an evaporator, a heat exchanger, a first throttle valve and a second throttle valve, wherein the air exhaust end of the compressor is respectively connected with a first interface of a first two-way valve and a first interface of a second two-way valve, a second interface of the first two-way valve is sequentially connected with the condenser and the first throttle valve, an outlet of the first throttle valve is respectively connected with a first interface of a third two-way valve and a first interface of a fourth two-way valve, a second interface of the second two-way valve is respectively connected with a first interface of a sixth two-way valve and a first interface of the heat exchanger, a second interface of the heat exchanger is respectively connected with a second interface of the third two-way valve and a first interface of a fifth two-way valve, a second interface of the fifth two-way valve is connected with an inlet of the second throttle valve, an inlet of the evaporator is respectively connected with an outlet of the second throttle valve and a second interface of the fourth two-way valve The outlet of the evaporator is respectively connected with the second interface of the sixth two-way valve and the air suction end of the compressor, and the heat exchanger is arranged in the heat accumulator; the first two-way valve and the fourth two-way valve are opened, the second two-way valve, the third two-way valve, the fifth two-way valve and the sixth two-way valve are closed, and the compressor, the first two-way valve, the condenser, the first throttle valve, the fourth two-way valve and the evaporator are sequentially connected and then return to the air suction end of the compressor to form a single-stage compression refrigeration cycle; the first two-way valve, the third two-way valve and the sixth two-way valve are opened, the second two-way valve, the fourth two-way valve and the fifth two-way valve are closed, and the compressor, the first two-way valve, the condenser, the first throttle valve, the third two-way valve, the heat exchanger and the sixth two-way valve are sequentially connected and then return to the air suction end of the compressor to form an cascade high-temperature stage refrigeration cycle; the second two-way valve and the fifth two-way valve are opened, the first two-way valve, the third two-way valve, the fourth two-way valve and the sixth two-way valve are closed, and the compressor, the second two-way valve, the heat exchanger, the fifth two-way valve, the second throttle valve and the evaporator are sequentially connected and then return to the air suction end of the compressor to form the cascade low-temperature stage refrigeration cycle.
2. A refrigeration system comprising at least three multi-functional refrigeration modules of claim 1, each as a single compression refrigeration cycle or a cascade low temperature stage refrigeration cycle or a cascade high temperature stage refrigeration cycle, respectively.
3. The refrigeration system according to claim 2, wherein when a plurality of said multi-function refrigeration modules constitute a cascade refrigeration system, said heat exchanger of said multi-function refrigeration module for a cascade high temperature stage refrigeration cycle absorbs heat from a regenerator, and said heat exchanger of said multi-function refrigeration module for a cascade low temperature stage refrigeration cycle discharges heat absorbed by the heat exchanger as a cascade high temperature stage refrigeration cycle to said regenerator.
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| CN201920404150.7U CN209783031U (en) | 2019-03-26 | 2019-03-26 | Multifunctional refrigeration module and refrigeration system composed of same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869939A (en) * | 2019-03-26 | 2019-06-11 | 天津商业大学 | A kind of refrigeration system of multifunction refrigeration module and its composition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869939A (en) * | 2019-03-26 | 2019-06-11 | 天津商业大学 | A kind of refrigeration system of multifunction refrigeration module and its composition |
| CN109869939B (en) * | 2019-03-26 | 2024-07-09 | 天津商业大学 | Multifunctional refrigeration module and refrigeration system comprising same |
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Granted publication date: 20191213 |