CN203349567U - Refrigeration system and refrigeration equipment comprising refrigeration system - Google Patents
Refrigeration system and refrigeration equipment comprising refrigeration system Download PDFInfo
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- CN203349567U CN203349567U CN201320300672.5U CN201320300672U CN203349567U CN 203349567 U CN203349567 U CN 203349567U CN 201320300672 U CN201320300672 U CN 201320300672U CN 203349567 U CN203349567 U CN 203349567U
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Abstract
The utility model belongs to the technical field of refrigeration, and provides a refrigeration system and refrigeration equipment comprising the refrigeration system. According to the refrigeration system, under the condition that indoor air amount and the indoor evaporating area are not reduced, refrigerant is made to perform heat exchange in a shared heat exchanger under the interaction of only two independent systems, sensible heat amount and potential heat amount of the refrigerant are improved before evaporation of the system, larger refrigerating mount and lower evaporating temperature can be obtained, the dehumidification capacity is improved, one space or one local area of the same space of the two spaces can fast perform refrigerating and dehumidification, and the time needed by the refrigeration and the dehumidification is effectively shortened.
Description
Technical field
The utility model belongs to refrigeration technology field, more particularly, relate to the dehumidifying of a kind of fast-refrigerating refrigeration system, comprise the refrigeration plant of this refrigeration system.
Background technology
Usually, two systems of dual system refrigeration plant are all independent operatings separately, and impact is less each other, do not give full play to the characteristic of dual system air-conditioning, the potentiality of more effective excavation dual system air-conditioning.Dehumanization method commonly used has two kinds: a kind of method of dehumidifying is exactly by the rotating speed of control room inner blower, reduces the air quantity of room air conditioner, and the evaporating temperature of indoor evaporator is reduced, thereby reaches the way of larger moisture removal.The method of another kind of dehumidifying is exactly by the temporary transient area that reduces evaporimeter, makes the cold medium flux in evaporimeter increase the purpose that reaches dehumidifying.The first dehumanization method can effectively dehumidify, but, when dehumidifying by the reduction air quantity, indoor air circulation also and then reduces, and the humidity in room can not be removed at short notice fast like this.The second dehumanization method also can reach the purpose of dehumidifying, but the temporary transient area that reduces evaporimeter also significantly reduces refrigerating capacity, and the temperature in room can not reduce and fast.Traditional dehumanization method has obvious defect, therefore, the utility model designed a kind of like this can fast-refrigerating the air-conditioner of dehumidifying.
The utility model content
The purpose of this utility model is the refrigeration plant that a kind of refrigeration system is provided, comprises this refrigeration system, is intended to sensible heat amount and the latent heat amount of elevator system refrigerant before evaporation, thereby improves fast refrigerating capacity and the dehumidifying effect of refrigeration system.
For achieving the above object, the technical solution adopted in the utility model is: a kind of refrigeration system is provided, comprises and share heat exchanger and the first coolant circulating system and the second coolant circulating system that are connected with the second side with the first side of described shared heat exchanger respectively;
Described the first coolant circulating system comprises the first compressor, the first outdoor condenser and the first outdoor condenser fan, the first system first throttle valve, the first system the second choke valve, the first system the first magnetic valve, the first system the second magnetic valve, the first system the 3rd magnetic valve, the first check valve, the first indoor evaporator and the first indoor fan, the first cross valve;
Four interfaces of described the first cross valve respectively with outlet and the entrance of described the first compressor, the import of described the first outdoor condenser is connected with the outlet of described the first indoor evaporator, the outlet of described the first outdoor condenser divides and is connected to the first system the first branch road, the first system the second branch road, the first system the 3rd branch road, described the first system the first branch road and described the first system the second branch road converge the first side entrance that is connected in described shared heat exchanger, described the first system the 3rd branch road is connected with the entrance of described the first indoor evaporator, described the first system the first branch road is provided with described the first system the first magnetic valve, flow to and be provided with in turn described the first system the second magnetic valve and described the first system first throttle valve along refrigerant on described the first system the second branch road, flow to and be provided with in turn described the first system the 3rd magnetic valve and described the first system the second choke valve along refrigerant on described the first system the 3rd branch road, the first side outlet of described shared heat exchanger is connected in the pipeline between described the first system the 3rd magnetic valve and described the first system the second choke valve by a first system the 4th branch road, described the first system the 4th branch road is provided with installation direction for flowed to described first check valve of described the first system the 3rd branch road by the first side outlet of described shared heat exchanger,
Described the second coolant circulating system comprises the second compressor, the second outdoor condenser, the second outdoor condenser fan, second system first throttle valve, second system the second choke valve, second system the first magnetic valve, second system the second magnetic valve, second system the 3rd magnetic valve, the second check valve, the second indoor evaporator, the second indoor fan, the second cross valve;
Four interfaces of described the second cross valve respectively with outlet and the entrance of described the second compressor, the import of described the second outdoor condenser is connected with the outlet of described the second indoor evaporator, the outlet of described the second outdoor condenser divides and is connected to second system the first branch road, second system the second branch road, second system the 3rd branch road, described second system the first branch road and described second system the second branch road converge the second side entrance that is connected in described shared heat exchanger, described second system the 3rd branch road is connected with the entrance of described the second indoor evaporator, described second system the first branch road is provided with described second system the first magnetic valve, flow to and be provided with in turn described second system the second magnetic valve and described second system first throttle valve along refrigerant on described second system the second branch road, flow to and be provided with in turn described second system the 3rd magnetic valve and described second system the second choke valve along refrigerant on described second system the 3rd branch road, the second side outlet of described shared heat exchanger is connected in the pipeline between described second system the 3rd magnetic valve and described second system the second choke valve by a second system the 4th branch road, described second system the 4th branch road is provided with installation direction for flowed to described second check valve of described second system the 3rd branch road by the second side outlet of described shared heat exchanger.
Alternatively, described shared heat exchanger is Fin and tube evaporator or plate type heat exchanger or shell and tube exchanger.
Alternatively, described the first system first throttle valve and/or described the first system the second choke valve and/or described second system first throttle valve and/or second system the second choke valve are electric expansion valve and/or magnetic valve and/or capillary group.
Alternatively, described the first compressor and described the second compressor are a kind of or its combination in helical-lobe compressor, screw compressor, rotor compressor, piston compressor.
The beneficial effect of the refrigeration system that the utility model provides is: compared with prior art, the utility model refrigeration system does not reduce the area of indoor air quantity and indoor evaporator, only by two interactional methods of operation of autonomous system, make refrigerant carry out heat exchange in sharing heat exchanger, improve sensible heat amount and the latent heat amount of this system refrigerant before evaporation, obtain larger refrigerating capacity and lower evaporating temperature, dehumidifying effect gets a promotion, thereby realize making fast the purpose of a regional area fast-refrigerating dehumidifying in one of them space in two spaces or same space, effectively reduce refrigeration and dehumidify the needed time.
For achieving the above object, the technical solution adopted in the utility model is: a kind of refrigeration plant is provided, comprise mainboard controller and coolant system, described coolant system is above-mentioned refrigeration system, and described the first system the first magnetic valve, described the first system the second magnetic valve, described the first system the 3rd magnetic valve, described second system the first magnetic valve, described second system the second magnetic valve, described second system the 3rd magnetic valve all are electrically connected to and are subject to described mainboard controller to control with described mainboard controller.
The beneficial effect of the refrigeration plant that the utility model provides is: owing to having adopted above-mentioned refrigeration system, the utility model refrigerating device refrigeration amount is large, dehumidifying effect is good, can be in the situation that do not reduce indoor air quantity and reduce the indoor evaporator area and realize fast-refrigerating and dehumidifying, the time that greatly reduces refrigeration and dehumidify.
The accompanying drawing explanation
The theory structure schematic diagram of the refrigeration system that Fig. 1 provides for the utility model embodiment;
The control principle structural representation that the control method embodiment mono-that Fig. 2 is the utility model refrigeration plant provides;
The control principle structural representation that the control method embodiment bis-that Fig. 3 is the utility model refrigeration plant provides;
The control principle structural representation that the control method embodiment tri-that Fig. 4 is the utility model refrigeration plant provides;
The control principle structural representation that the control method embodiment tetra-that Fig. 5 is the utility model refrigeration plant provides.
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, the existing refrigeration system that the utility model is provided describes.The utility model refrigeration system comprises shared heat exchanger 10 and the first coolant circulating system 1 and the second coolant circulating system 2 that are connected with the second side 102 with the first side 101 of shared heat exchanger 10 respectively;
This first coolant circulating system 1 comprises the outdoor condenser 121 of the first compressor 11, first and the first outdoor condenser fan 122, the first system first throttle valve 131, the first system the second choke valve 132, the first system the first magnetic valve 141, the first system the second magnetic valve 142, the first system the 3rd magnetic valve 143, the first check valve 15, the first indoor evaporator 16 and the first indoor fan 162, the first cross valve 17;
Wherein, four interfaces of the first cross valve 17 respectively with outlet and the entrance of the first compressor 11, the import of the first outdoor condenser 121 is connected with the outlet of the first indoor evaporator 16, the outlet of the first outdoor condenser 121 divides and is connected to the first system the first branch road 111, the first system the second branch road 112, the first system the 3rd branch road 113, the first system the first branch road 111 converges and is connected in the first side 101 entrances that share heat exchanger 10 with the first system the second branch road 112, the first system the 3rd branch road 113 is connected with the entrance of the first indoor evaporator 16, the first system the first branch road 111 is provided with the first system the first magnetic valve 141, flow to and be provided with in turn the first system the second magnetic valve 142 and the first system first throttle valve 131 along refrigerant on the first system the second branch road 112, flow to and be provided with in turn the first system the 3rd magnetic valve 143 and the first system the second choke valve 132 along refrigerant on the first system the 3rd branch road 113, the first side 101 outlets that share heat exchanger 10 are connected in the pipeline between the first system the 3rd magnetic valve 143 and the first system the second choke valve 132 by the first system the 4th branch road 114, the first system the 4th branch road 114 is provided with serve as reasons the first side 101 outlets of sharing heat exchanger 10 of installation direction and flows to the first check valve 15 of the first system the 3rd branch road 113,
This second coolant circulating system 2 comprises the second compressor, the outdoor condenser fan 222 of the second outdoor condenser 221, second, second system first throttle valve 231, second system the second choke valve 232, second system the first magnetic valve 241, second system the second magnetic valve 242, second system the 3rd magnetic valve 243, the second check valve 25, the second indoor evaporator 26, the second indoor fan 262, the second cross valve 27;
Wherein, four interfaces of the second cross valve 27 respectively with outlet and the entrance of the second compressor, the import of the second outdoor condenser 221 is connected with the outlet of the second indoor evaporator 26, the outlet of the second outdoor condenser 221 divides and is connected to second system the first branch road 211, second system the second branch road 212, second system the 3rd branch road 213, second system the first branch road 211 converges and is connected in the second side 102 entrances that share heat exchanger 10 with second system the second branch road 212, second system the 3rd branch road 213 is connected with the entrance of the second indoor evaporator 26, second system the first branch road 211 is provided with second system the first magnetic valve 241, flow to and be provided with in turn second system the second magnetic valve 242 and second system first throttle valve 231 along refrigerant on second system the second branch road 212, flow to and be provided with in turn second system the 3rd magnetic valve 243 and second system the second choke valve 232 along refrigerant on second system the 3rd branch road 213, the second side 102 outlets that share heat exchanger 10 are connected in the pipeline between second system the 3rd magnetic valve 243 and second system the second choke valve 232 by second system the 4th branch road 214, second system the 4th branch road 214 is provided with serve as reasons the second side 102 outlets of sharing heat exchanger 10 of installation direction and flows to the second check valve 25 of second system the 3rd branch road 213.
For the first coolant circulating system 1, refrigerant enters the first outdoor condenser 121 from the first compressor 11 outlets by the first cross valve 17, refrigerant after the first outdoor condenser 121 can enter three branch roads, i.e. the first system the first branch road 111, the first system the second branch road 112, the first system the 3rd branch road 113; Then refrigerant converges in the import of the first side 101 that shares heat exchanger 10 by the first system the first branch road 111 and the first system the second branch road 112, again from the outlet of the first side 101 of sharing heat exchanger 10 outlet of the first check valve 15 to the first system the 3rd magnetic valve 143 the first system the 3rd branch road 113 of flowing through, then flow into the first indoor evaporator 161 by the first system the second choke valve 132, the refrigerant of first indoor evaporator 161 of flowing through is got back to the first compressor 11 through the first cross valve 17, completes the kind of refrigeration cycle process.
For the second coolant circulating system 2, refrigerant enters the second outdoor condenser 221 from the outlet of the second compressor 21 by the second cross valve 27, refrigerant after the second outdoor condenser 221 can enter three branch roads, i.e. second system the first branch road 211, second system the second branch road 212, second system the 3rd branch road 213; Then refrigerant converges in the import of the second side 102 that shares heat exchanger 10 by second system the first branch road 211 and second system the second branch road 212, again from the outlet of the second side 102 of sharing heat exchanger 10 outlet of the second check valve 25 to second system the 3rd magnetic valve 243 second system the 3rd branch road 213 of flowing through, then flow into the second indoor evaporator 261 by second system the second choke valve 232, the refrigerant of second indoor evaporator 261 of flowing through is got back to the second compressor 21 through the second cross valve 27, completes the kind of refrigeration cycle process.
The high temperature and high pressure gas that the first compressor 11 is discharged, enter the first outdoor condenser 121, carry out heat exchange by the first outdoor condenser fan 122 and outdoor air, refrigerant becomes the liquid of high pressure, the liquid of high pressure enters the first system the second magnetic valve 142, the first system first throttle valve 131, now, the first system the second magnetic valve 142 is opened, the first system the first magnetic valve 141 cuts out, the first system the 3rd magnetic valve 143 cuts out, and enters the import of the first side 101 that shares heat exchanger 10 by becoming low-temp low-pressure liquid after throttling again.The high temperature and high pressure gas that the second compressor 21 is discharged, enter the second outdoor condenser 221, carry out heat exchange by the second outdoor condenser fan 222 and outdoor air, refrigerant becomes the liquid of high pressure, and the liquid of high pressure enters the import of the second side 102 that shares heat exchanger 10 by second system the first magnetic valve 241.Then control as required the break-make of each magnetic valve, thereby control enters the first side 101 of shared heat exchanger 10 and the refrigerant of the second side 102 carries out heat exchange in shared heat exchanger inside, reach and improve the sensible heat amount of refrigerant before evaporation and the purpose of latent heat amount in second system.
The refrigeration system that the utility model provides can not reduce the area of indoor air quantity and indoor evaporator, only the refrigerant by two autonomous systems carries out heat exchange in sharing heat exchanger, just can improve sensible heat amount and the latent heat amount of this system refrigerant before evaporation, obtain larger refrigerating capacity and lower evaporating temperature, dehumidifying effect gets a promotion, thereby realize making fast the purpose of a regional area fast-refrigerating dehumidifying in one of them space in two spaces or same space, effectively reduce refrigeration and dehumidify the needed time.
As the specific embodiment of such scheme, share heat exchanger 10 and can select Fin and tube evaporator or plate type heat exchanger or shell and tube exchanger according to specific needs.
The first system first throttle valve 131, the first system the second choke valve 132, second system first throttle valve 231, second system the second choke valve 232 can be selected any combination of any one or they in electric expansion valve or magnetic valve, capillary group.
The first compressor 11 and the second compressor can be selected a kind of or its combination in helical-lobe compressor, screw compressor, rotor compressor, piston compressor as required.
The utility model also provides a kind of refrigeration plant (not shown).This kind of refrigeration plant comprises mainboard controller and coolant system, coolant system is above-mentioned refrigeration system, and the first system the first magnetic valve 141, the first system the second magnetic valve 142, the first system the 3rd magnetic valve 143, second system the first magnetic valve 241, second system the second magnetic valve 242, second system the 3rd magnetic valve 243 all are electrically connected to and are subject to the mainboard controller to control with the mainboard controller.Refrigeration plant herein can be air-conditioning, can be also refrigerator etc., as long as adopt the equipment of above-mentioned refrigeration system, all within protection domain of the present utility model.
The refrigeration plant that the utility model provides, owing to having adopted above-mentioned refrigeration system, the utility model refrigerating device refrigeration amount is large, and dehumidifying effect is good, can be in the situation that do not reduce indoor air quantity and reduce the indoor evaporator area and realize fast-refrigerating and dehumidifying, the time that greatly reduces refrigeration and dehumidify.
According to actual conditions, the control method of the utility model refrigeration plant is done following detailed description.
In the situation that only use one of them coolant circulating system refrigeration and thermic load larger, the control method that can provide by the utility model realizes fast-refrigerating and the dehumidifying of above-mentioned refrigeration plant.
Consult Fig. 1 and Fig. 2, the high temperature and high pressure gas that the first compressor 11 is discharged, enter the first outdoor condenser 121, carry out heat exchange by the first outdoor condenser fan 122 and outdoor air, refrigerant becomes the liquid of high pressure, the liquid of high pressure enters the first system the second magnetic valve 142, the first system first throttle valve 131, now, the mainboard controller controls the first system the first magnetic valve 141 and cuts out, the first system the second magnetic valve 142 is opened, the first system the 3rd magnetic valve 143 cuts out, flow to again the import of the first side 101 that shares heat exchanger 10 by becoming low-temp low-pressure liquid after throttling.And the high temperature and high pressure gas that the second compressor 21 is discharged, enter the second outdoor condenser 221, carry out heat exchange by the second outdoor condenser fan 222 and outdoor air, refrigerant becomes the liquid of high pressure, and the liquid of high pressure enters the import of the second side 102 that shares heat exchanger 10 by second system the first magnetic valve 241.Now, mainboard controller control second system the first magnetic valve 241 is opened, second system the second magnetic valve 242 cuts out, second system the 3rd magnetic valve 243 cuts out.Enter the first side 101 of shared heat exchanger 10 and the refrigerant of the second side 102 and carry out heat exchange in the inside that shares heat exchanger 10, thereby improved sensible heat amount and the latent heat amount of refrigerant before evaporation in the second coolant circulating system 2, obtain larger refrigerating capacity and lower evaporating temperature, reach the purpose of fast-refrigerating and dehumidifying.
Refer to Fig. 1 and Fig. 3, with above-mentioned control method principle, otherwise can make the first coolant circulating system 1 reach the purpose of fast-refrigerating and dehumidifying.Both differences are: in the system running, mainboard controller control second system the first magnetic valve 241 cuts out, second system the second magnetic valve 242 is opened, second system the 3rd magnetic valve 243 cuts out, and the mainboard controller is controlled, and the first system the first magnetic valve 141 is opened, the first system the second magnetic valve 142 cuts out, the first system the 3rd magnetic valve 143 cuts out.Enter the first side 101 of shared heat exchanger 10 and the refrigerant of the second side 102 and carry out heat exchange in the inside that shares heat exchanger 10, thereby improved sensible heat amount and the latent heat amount of refrigerant before evaporation in the first coolant circulating system 1, obtain larger refrigerating capacity and lower evaporating temperature, reach the purpose of fast-refrigerating and dehumidifying.
Yet, in the situation that adopt the first coolant circulating system 1 and the second coolant circulating system 2 freezes and thermic load is little simultaneously, can realize by control method of the present utility model fast-refrigerating and the dehumidifying of above-mentioned refrigeration plant.
Refer to Fig. 1 and Fig. 4, the high temperature and high pressure gas that the first compressor 11 is discharged, enter the first outdoor condenser 121, carry out heat exchange by the first outdoor condenser fan 122 and outdoor air, refrigerant becomes the liquid of high pressure, the liquid of first's high pressure enters the first system the second magnetic valve 142, the first system first throttle valve 131, the liquid of second portion high pressure is by the first system the 3rd magnetic valve 143 in addition, now, the mainboard controller controls the first system the first magnetic valve 141 and cuts out, the first system the second magnetic valve 142 is opened, the first system the 3rd magnetic valve 143 is opened, first's refrigerant enters the import of the first side 101 that shares heat exchanger 10 again by becoming low-temp low-pressure liquid after throttling, enter the first system the 3rd magnetic valve 143 throttlings with other second portion highly pressurised liquid after the interior heat exchange of shared heat exchanger 10, then enter the first indoor evaporator 161 and carry out sweat cooling.
The high temperature and high pressure gas that the second compressor 21 is discharged, enter the second outdoor condenser 221, carry out heat exchange by the second outdoor condenser fan 222 and outdoor air, refrigerant becomes the liquid of high pressure, and the liquid of high pressure enters the import of the second side 102 that shares heat exchanger 10 by second system the first magnetic valve 241.Now, mainboard controller control second system the first magnetic valve 241 is opened, second system the second magnetic valve 242 cuts out, second system the 3rd magnetic valve 243 cuts out.Enter the first side 101 of shared heat exchanger 10 and the refrigerant of the second side 102 and carry out heat exchange in the inside that shares heat exchanger 10, thereby improved sensible heat amount and the latent heat amount of refrigerant before evaporation in the second coolant circulating system 2, obtain larger refrigerating capacity and lower evaporating temperature, reach the purpose of fast-refrigerating and dehumidifying.
Refer to Fig. 1 and Fig. 5, with above-mentioned principle, otherwise can make the first coolant circulating system 1 reach the purpose of fast-refrigerating and dehumidifying.The difference of two kinds of control models is: in the system running, mainboard controller control second system the first magnetic valve 241 cuts out, second system the second magnetic valve 242 is opened, second system the 3rd magnetic valve 243 is opened, and the mainboard controller is controlled, and the first system the first magnetic valve 141 is opened, the first system the second magnetic valve 142 cuts out, the first system the 3rd magnetic valve 143 cuts out.Enter the first side 101 of shared heat exchanger 10 and the refrigerant of the second side 102 and carry out heat exchange in the inside that shares heat exchanger 10, thereby improved sensible heat amount and the latent heat amount of refrigerant before evaporation in the first coolant circulating system 1, obtain larger refrigerating capacity and lower evaporating temperature, reach the purpose of fast-refrigerating and dehumidifying.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. refrigeration system, comprise and share heat exchanger and the first coolant circulating system and the second coolant circulating system that are connected with the second side with the first side of described shared heat exchanger respectively; It is characterized in that:
Described the first coolant circulating system comprises the first compressor, the first outdoor condenser and the first outdoor condenser fan, the first system first throttle valve, the first system the second choke valve, the first system the first magnetic valve, the first system the second magnetic valve, the first system the 3rd magnetic valve, the first check valve, the first indoor evaporator and the first indoor fan, the first cross valve;
Four interfaces of described the first cross valve respectively with outlet and the entrance of described the first compressor, the import of described the first outdoor condenser is connected with the outlet of described the first indoor evaporator, the outlet of described the first outdoor condenser divides and is connected to the first system the first branch road, the first system the second branch road, the first system the 3rd branch road, described the first system the first branch road and described the first system the second branch road converge the first side entrance that is connected in described shared heat exchanger, described the first system the 3rd branch road is connected with the entrance of described the first indoor evaporator, described the first system the first branch road is provided with described the first system the first magnetic valve, flow to and be provided with in turn described the first system the second magnetic valve and described the first system first throttle valve along refrigerant on described the first system the second branch road, flow to and be provided with in turn described the first system the 3rd magnetic valve and described the first system the second choke valve along refrigerant on described the first system the 3rd branch road, the first side outlet of described shared heat exchanger is connected in the pipeline between described the first system the 3rd magnetic valve and described the first system the second choke valve by a first system the 4th branch road, described the first system the 4th branch road is provided with installation direction for flowed to described first check valve of described the first system the 3rd branch road by the first side outlet of described shared heat exchanger,
Described the second coolant circulating system comprises the second compressor, the second outdoor condenser, the second outdoor condenser fan, second system first throttle valve, second system the second choke valve, second system the first magnetic valve, second system the second magnetic valve, second system the 3rd magnetic valve, the second check valve, the second indoor evaporator, the second indoor fan, the second cross valve;
Four interfaces of described the second cross valve respectively with outlet and the entrance of described the second compressor, the import of described the second outdoor condenser is connected with the outlet of described the second indoor evaporator, the outlet of described the second outdoor condenser divides and is connected to second system the first branch road, second system the second branch road, second system the 3rd branch road, described second system the first branch road and described second system the second branch road converge the second side entrance that is connected in described shared heat exchanger, described second system the 3rd branch road is connected with the entrance of described the second indoor evaporator, described second system the first branch road is provided with described second system the first magnetic valve, flow to and be provided with in turn described second system the second magnetic valve and described second system first throttle valve along refrigerant on described second system the second branch road, flow to and be provided with in turn described second system the 3rd magnetic valve and described second system the second choke valve along refrigerant on described second system the 3rd branch road, the second side outlet of described shared heat exchanger is connected in the pipeline between described second system the 3rd magnetic valve and described second system the second choke valve by a second system the 4th branch road, described second system the 4th branch road is provided with installation direction for flowed to described second check valve of described second system the 3rd branch road by the second side outlet of described shared heat exchanger.
2. refrigeration system as claimed in claim 1, it is characterized in that: described shared heat exchanger is Fin and tube evaporator or plate type heat exchanger or shell and tube exchanger.
3. refrigeration system as claimed in claim 1 or 2, it is characterized in that: described the first system first throttle valve and/or described the first system the second choke valve and/or described second system first throttle valve and/or second system the second choke valve are electric expansion valve and/or magnetic valve and/or capillary group.
4. refrigeration system as claimed in claim 3, it is characterized in that: described the first compressor and described the second compressor are a kind of or its combination in helical-lobe compressor, screw compressor, rotor compressor, piston compressor.
5. refrigeration plant, comprise mainboard controller and coolant system, it is characterized in that: described coolant system is refrigeration system as described as claim 1 to 4 any one, and described the first system the first magnetic valve, described the first system the second magnetic valve, described the first system the 3rd magnetic valve, described second system the first magnetic valve, described second system the second magnetic valve, described second system the 3rd magnetic valve all are electrically connected to and are subject to described mainboard controller to control with described mainboard controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320300672.5U CN203349567U (en) | 2013-05-28 | 2013-05-28 | Refrigeration system and refrigeration equipment comprising refrigeration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320300672.5U CN203349567U (en) | 2013-05-28 | 2013-05-28 | Refrigeration system and refrigeration equipment comprising refrigeration system |
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| Publication Number | Publication Date |
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| CN203349567U true CN203349567U (en) | 2013-12-18 |
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| CN201320300672.5U Withdrawn - After Issue CN203349567U (en) | 2013-05-28 | 2013-05-28 | Refrigeration system and refrigeration equipment comprising refrigeration system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363705A (en) * | 2013-05-28 | 2013-10-23 | 广东美的制冷设备有限公司 | Refrigeration system, refrigeration equipment comprising refrigeration system and control method of refrigeration equipment |
| CN110285595A (en) * | 2019-06-12 | 2019-09-27 | 合肥美的电冰箱有限公司 | Refrigeration system and refrigeration equipment with it |
| CN115682625A (en) * | 2022-11-16 | 2023-02-03 | 珠海格力电器股份有限公司 | A cold storage refrigeration control system and its control method |
-
2013
- 2013-05-28 CN CN201320300672.5U patent/CN203349567U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363705A (en) * | 2013-05-28 | 2013-10-23 | 广东美的制冷设备有限公司 | Refrigeration system, refrigeration equipment comprising refrigeration system and control method of refrigeration equipment |
| CN110285595A (en) * | 2019-06-12 | 2019-09-27 | 合肥美的电冰箱有限公司 | Refrigeration system and refrigeration equipment with it |
| CN115682625A (en) * | 2022-11-16 | 2023-02-03 | 珠海格力电器股份有限公司 | A cold storage refrigeration control system and its control method |
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