CN218722403U - Data center refrigeration air conditioning unit - Google Patents
Data center refrigeration air conditioning unit Download PDFInfo
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- CN218722403U CN218722403U CN202222783771.5U CN202222783771U CN218722403U CN 218722403 U CN218722403 U CN 218722403U CN 202222783771 U CN202222783771 U CN 202222783771U CN 218722403 U CN218722403 U CN 218722403U
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Abstract
The utility model provides a data center refrigeration air conditioning unit includes: evaporator, condenser, compressor, filter, fluorine pump. Wherein the compressor, the condenser, the evaporator and the filter form a first refrigeration circuit; the air inlet of the compressor is connected with the first section of the evaporator, and the air outlet of the compressor is connected with the first end of the condenser; the liquid inlet of the filter is connected with the second end of the condenser. The fluorine pump and the condenser and the evaporator form a second refrigeration loop.
Description
Technical Field
The utility model relates to an air conditioning unit technical field particularly, relates to a data center refrigeration air conditioning unit.
Background
In the prior art, two condensers are often used in the prior art that uses the heat pipe fluorine pump and the compressor at the same time, wherein the heat pipe fluorine pump and the compressor are both separately provided with condensers, and then two completely different refrigeration loops are formed. The two condensers can increase the volume of the outdoor unit, and meanwhile, the heat pipe fluorine pump and the compressor are connected in series, but because the condenser of the heat pipe fluorine pump is needed, when the compressor is used, the refrigerant pressure of the compressor is too high because the refrigerant flow required by the heat pipe fluorine pump is far less than the refrigerant flow of the compressor, so that the condenser is frosted and even damaged, and the compressor is easy to burn.
Therefore, how to prepare a refrigerant compressor capable of solving the problem that the condenser or the compressor is damaged due to the fact that the refrigerant flow required by the heat pipe fluorine pump refrigeration and the compressor refrigeration are different in the prior art and the same pipeline is used is needed to be solved.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, the utility model discloses a first aspect provides a data center refrigeration air conditioning unit.
In view of this, the utility model discloses a first aspect provides a data center refrigeration air conditioning unit includes: evaporator, condenser, compressor. The air inlet of the compressor is connected with the first end of the evaporator, and the air outlet of the compressor is connected with the first end of the condenser. The liquid inlet of the filter is connected with the second end of the condenser, and the liquid outlet of the filter is connected with the second end of the evaporator. The compressor, the condenser, the evaporator and the filter form a first refrigeration loop; the fluorine pump and the condenser and the evaporator form a second refrigeration loop.
The utility model provides a data center refrigeration air conditioning unit includes: evaporator, condenser, compressor, filter, fluorine pump. Wherein the compressor, the condenser, the evaporator and the filter form a first refrigeration circuit; the air inlet of the compressor is connected with the first section of the evaporator, and the air outlet of the compressor is connected with the first end of the condenser; the liquid inlet of the filter is connected with the second end of the condenser. The fluorine pump and the condenser and evaporator form a second refrigeration loop. The first refrigeration loop adopts a traditional compressor as a power source and can provide larger refrigerating capacity, and the second refrigeration loop adopts the heat pipe fluorine pump principle and can adopt less energy to refrigerate under the low-temperature condition. In the prior art that uses the heat pipe fluorine pump and the compressor at the same time, two condensers are often adopted, wherein the heat pipe fluorine pump and the compressor are both provided with the condenser separately, and then two completely different refrigeration loops are formed. But the scheme in this application makes heat pipe fluorine pump and compressor use a condenser jointly, and then reduced air conditioner's volume. Meanwhile, the filter works for the first refrigeration loop independently, so that the resistance in the second refrigeration loop is reduced, and the operation efficiency of the second refrigeration loop is further improved. When the first refrigeration loop and the second refrigeration loop are used simultaneously, the second refrigeration loop can distribute more cold sources due to the resistance of the filter, so that the fluorine pump heat pipe can be fully utilized when the first refrigeration loop and the second refrigeration loop are used simultaneously, and the energy consumption of the air conditioning system is reduced. Meanwhile, the problem that when the compressor is used, the condenser is frosted or even damaged, and the compressor is easily burnt due to the fact that the refrigerant pressure of the compressor is overlarge because the refrigerant flow required by the heat pipe fluorine pump is far smaller than the refrigerant flow of the compressor is solved.
According to the utility model provides a data center refrigeration air conditioning unit can also have following additional technical characterstic:
in some possible designs, the data center refrigeration air conditioning unit further comprises: a first control valve disposed at an inlet of the fluorine pump; for controlling the opening and closing of the fluorine pump.
In this design, data center refrigeration air conditioning unit is still including first control valve, and first control valve setting is used for controlling opening and closing of fluorine pump at the entrance of fluorine pump, and then makes data center refrigeration air conditioning unit can solitary start-up compressor, and then has guaranteed that high at outdoor temperature, the unable normal during operation of fluorine pump, the cold source is complete flows in the evaporimeter through the filter, has improved the work efficiency of evaporimeter.
In some possible designs, the data center refrigeration air conditioning unit further comprises: and the inlet of the gas-liquid separator is connected with the first end of the evaporator, and the outlet of the gas-liquid separator is connected with the air inlet of the compressor.
In this design, the data center refrigeration air conditioning unit further includes: a gas-liquid separator. The inlet of the gas-liquid separator is connected with the first end of the evaporator, and the outlet of the gas-liquid separator is connected with the air inlet of the compressor. The utility model provides a vapour and liquid separator sets up completely on first refrigeration return circuit, because vapour and liquid separator can provide certain resistance, when adopting the compressor as the power supply, great power has on the whole first refrigeration return circuit, therefore vapour and liquid separator's resistance can be ignored, but when adopting heat pipe fluorine pump refrigeration, because the gravity that adopts liquid is as the power supply, consequently vapour and liquid separator can form great resistance and then has influenced the operation of whole second refrigeration return circuit, in order to prevent this kind of condition, with the solitary setting of vapour and liquid separator on first refrigeration return circuit, thereby the refrigeration effect of heat pipe fluorine pump has been improved.
In some possible designs, the second refrigeration circuit further comprises: a second control valve disposed between the first end of the condenser and the first end of the evaporator; the second control valve is connected with the inlet of the gas-liquid separator.
In this design, the second refrigeration circuit further includes: a second control valve. The second control valve is arranged between the first end of the condenser and the first end of the evaporator; the second control valve is connected with the inlet of the gas-liquid separator. When the compressor does not work, the second control valve can control the conduction of the second refrigeration loop, and when the second refrigeration loop works alone, the refrigerant does not need to pass through the compressor and the gas-liquid separator, so that the resistance of the second refrigeration loop is reduced. Meanwhile, the compressor does not need to be started, and the energy consumption of the data center refrigerating air conditioning unit is reduced.
Meanwhile, when the compressor is started, the second control valve can be opened, and the second control valve is connected between the first end of the condenser and the first end of the evaporator, so that when only the compressor works, the second control valve is opened to adjust the pressure in front of and behind the compressor, when the condenser cannot accept the refrigerant output by the compressor, the refrigerant forms larger condensation pressure in front of the condenser, the space and the amount of the refrigerant in the whole circulation loop are constant, the refrigerant flowing out of the condenser cannot be completely subjected to the pressure of the compressor, the condensation pressure received by the evaporator is reduced, high pressure is formed in a pipeline between the compressor and the condenser, the pressure of the pipeline from the condenser to the compressor is reduced through the evaporator, the refrigeration effect is poor, and the condenser is easy to damage. Through connecting the second control valve between the first end of condenser and the first end of evaporimeter in this application, with the refrigerant between condenser and the compressor reintroduction to the compressor to the pressure between compressor and the condenser has been balanced.
In some possible designs, the data center refrigeration air conditioning unit further comprises: an inlet of the liquid storage device is connected to the condenser, and an outlet of the liquid storage device is connected to the filter; the inlet of the fluorine pump is connected with the outlet of the liquid storage device.
In this technique, the data center refrigeration air conditioning unit further includes: an inlet of the liquid storage device is connected to the condenser, and an outlet of the liquid storage device is connected to the filter; the inlet of the fluorine pump is connected with the outlet of the liquid storage device. The accumulator is capable of equalizing the pressure throughout the refrigeration circuit. When power between condenser and the evaporimeter is not matchd, the reservoir can carry out certain regulation to whole pressure to make fluorine pump and compressor can normal operating, protected evaporimeter and condenser simultaneously, prevent that the evaporimeter refrigeration effect is not good, perhaps the condition of condenser subcooling from appearing.
In some possible designs, the data center refrigeration air conditioning unit further comprises: a third control valve disposed at an outlet of the filter; for controlling the opening and closing of the filter.
In this technical scheme, data center refrigeration air conditioning unit still includes: a third control valve disposed at an outlet of the filter; for controlling the opening and closing of the filter. The opening and closing of the filter can be controlled by arranging the third control valve, so that the refrigerant can not flow into a flow path where the filter is located when the fluorine pump is started, the normal work of the fluorine pump is ensured, and meanwhile, the flow of the refrigerant flowing into the filter can be controlled when the compressor is adopted for cooling, so that the filter is prevented from being damaged due to overlarge pressure.
In some possible designs, the data center refrigeration air conditioning unit further comprises: a first pipe connected between an outlet of the compressor and an outlet of the condenser; and the first valve body is used for controlling the opening and closing of the first pipeline.
In this design, the data center refrigeration air conditioning unit further includes: a first pipe connected between an outlet of the compressor and an outlet of the condenser; and the first valve body is used for controlling the opening and closing of the first pipeline. In the low-temperature refrigeration mode, the required refrigeration capacity is large, the exhaust pressure of the compressor is reduced, the circulating flow rate of the whole system is reduced, and the liquid flow of the condenser is slow, so that frosting is caused, and the refrigeration capacity of the compressor is reduced. Adopt the scheme of this application, when the exhaust pressure of compressor is less than a certain numerical value, first valve body is opened, and first pipeline switches on, and partly refrigerant does not pass through the condenser, and direct flow to evaporimeter, and then accomplish the circulation sooner, makes the refrigerant flow back to inside the compressor, and then improves the exhaust pressure of compressor to improve whole endless pressure, improve the velocity of flow of refrigerant in the condenser, prevent that the refrigerant from frosting, can strengthen the refrigeration efficiency of data center refrigeration air conditioning unit when low temperature refrigeration.
Further, the data center refrigerating air conditioning unit also comprises: the second pipeline is connected between the inlet of the gas-liquid separator and the outlet of the condenser; and the second valve body is used for controlling the opening and closing of the second pipeline.
In this technical scheme, data center refrigeration air conditioning unit still includes: the second pipeline is connected between the inlet of the gas-liquid separator and the outlet of the condenser; and the second valve body is used for controlling the opening and closing of the second pipeline. When the exhaust temperature of the compressor is high, the second valve body is opened, and a part of liquid refrigerant flowing out of the condenser flows to the direction of the compressor but does not flow to the evaporator, namely does not participate in the circulation of the indoor unit. In addition, a gas-liquid separator is arranged in front of the compressor, namely, a part of refrigerant coming out of the condenser flows to the gas-liquid separator through a second pipeline, and the liquid refrigerant is vaporized in the gas-liquid separator to absorb heat, so that the temperature of the refrigerant in the gas-liquid separator is reduced, meanwhile, the temperature of the refrigerant flowing into the compressor is reduced, the exhaust temperature of the compressor is reduced, the use safety of the compressor is protected, and the service life of the compressor is prolonged.
Further, the data center refrigerating air conditioning unit also comprises: the third pipeline is connected between the liquid storage device and the condenser; and the third valve body is used for controlling the opening and closing of the third pipeline.
In this technical scheme, data center refrigeration air conditioning unit still includes: the third pipeline is connected between the liquid storage device and the condenser; and the third valve body is used for controlling the opening and closing of the third pipeline. When the inlet pressure of the compressor is insufficient, the smoothness of the whole circulation can be affected, the refrigerant flow of the filter has an upper limit, a part of refrigerant can flow to the evaporator through the third pipeline by opening the third valve body, the upper limit of the flow flowing to the evaporator is improved, the inlet pressure of the compressor is further improved by improving the refrigerant flow flowing to the evaporator, and the whole circulation of the evaporator and the condenser is ensured.
Further, the condenser is a heat pipe heat exchanger; the evaporator is a heat pipe heat exchanger.
In the technical scheme, the condenser is a heat pipe heat exchanger; the evaporator is a heat pipe heat exchanger. Because the same condenser and evaporator are adopted in both the compressor refrigeration mode and the heat pipe fluorine pump mode, the evaporator adopts the heat pipe heat exchanger, the condenser adopts the heat pipe heat exchanger, the compressor refrigeration mode can be simultaneously met under the condition of meeting the heat pipe fluorine pump refrigeration mode, and meanwhile, the volume of the product is reduced because one condenser and one evaporator are omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 illustrates one of the schematic views of a data center refrigeration air conditioning unit according to one embodiment of the present invention;
fig. 2 shows a second schematic diagram of a data center refrigeration air conditioning unit according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 2 is:
the system comprises an evaporator 1, a condenser 2, a compressor 3, a filter 4, a fluorine pump 5, a first control valve 6, a gas-liquid separator 7, a second control valve 8, a liquid storage device 9, a third control valve 10, a first pipeline 11, a first valve body 12, a second pipeline 13, a second valve body 14, a third pipeline 15 and a third valve body 16.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Data center refrigeration air conditioning units according to some embodiments of the present invention are described below with reference to fig. 1 and 2.
Example one
As shown in fig. 1 and 2, according to an embodiment of the present invention, the present invention provides a data center refrigerating air conditioning unit comprising: evaporator 1, condenser 2, compressor 3, filter 4, fluorine pump 5. The air inlet of the compressor 3 is connected with the first end of the evaporator 1, and the air outlet of the compressor 3 is connected with the first end of the condenser 2; a liquid inlet of the filter 4 is connected with the second end of the condenser 2, and a liquid outlet of the filter 4 is connected with the second end of the evaporator 1; the compressor 3, the condenser 2, the evaporator 1 and the filter 4 form a first refrigeration circuit; the fluorine pump 5 and the condenser 2, evaporator 1 form a second refrigeration circuit.
The utility model provides a data center refrigeration air conditioning unit includes: evaporator 1, condenser 2, compressor 3, filter 4, fluorine pump 5. Wherein the compressor 3, the condenser 2, the evaporator 1 and the filter 4 form a first refrigeration circuit; the air inlet of the compressor 3 is connected with the first section of the evaporator 1, and the air outlet of the compressor 3 is connected with the first end of the condenser 2; the liquid inlet of the filter 4 is connected with the second end of the condenser 2. The fluorine pump 5 forms a second refrigeration circuit with the condenser 2 and the evaporator 1. The first refrigeration loop adopts the traditional compressor 3 as a power source and can provide larger refrigerating capacity, and the second refrigeration loop adopts the principle of the heat pipe fluorine pump 5, so that the refrigeration can be performed by adopting less energy under the condition of low temperature. In the prior art using both the heat pipe fluorine pump 5 and the compressor 3, two condensers 2 are often used, wherein both the heat pipe fluorine pump 5 and the compressor 3 are separately provided with the condensers 2, thereby forming two completely different refrigeration circuits. But the scheme in the application enables the heat pipe fluorine pump 5 and the compressor 3 to share one condenser 2, thereby reducing the volume of the air conditioner. Meanwhile, the filter 4 works for the first refrigeration loop independently, so that the resistance in the second refrigeration loop is reduced, and the operation efficiency of the second refrigeration loop is further improved. When the first refrigeration loop and the second refrigeration loop are used simultaneously, the second refrigeration loop can distribute more cold sources due to the resistance of the filter 4, so that the fluorine pump 5 heat pipe can be fully utilized when the first refrigeration loop and the second refrigeration loop are used simultaneously, and the energy consumption of the air conditioning system is reduced. On the basis of the original system of the scheme, the parallel connection fluorine pump system has a simple structure, solves the problem that the system is frequently started and stopped at a low temperature, and greatly improves the overall safety of the air-conditioning system.
In some possible designs, as shown in fig. 1, the data center refrigeration air conditioning unit further includes: a first control valve 6, the first control valve 6 being provided at an inlet of the fluorine pump 5; for controlling the opening and closing of the fluorine pump 5.
In this embodiment, data center refrigeration air conditioning unit is still including first control valve 6, and first control valve 6 sets up and is used for controlling opening and closing of fluorine pump 5 at the entrance of fluorine pump 5, and then makes data center refrigeration air conditioning unit can solitary start-up compressor 3, and then has guaranteed that high at outdoor temperature, and the unable normal during operation of fluorine pump 5 makes the complete process filter 4 inflow evaporimeter 1 of cold source, has improved the work efficiency of evaporimeter 1.
In some possible designs, as shown in fig. 1, the data center refrigeration air conditioning unit further includes: and the inlet of the gas-liquid separator is connected with the first end of the evaporator 1, and the outlet of the gas-liquid separator is connected with the air inlet of the compressor 3.
In this embodiment, the data center refrigeration air conditioning unit further includes: a gas-liquid separator. The inlet of the gas-liquid separator is connected with the first end of the evaporator 1, and the outlet of the gas-liquid separator is connected with the air inlet of the compressor 3. The gas-liquid separator in this application sets up completely on first refrigeration circuit, because gas-liquid separator can provide certain resistance, when adopting compressor 3 as the power supply, great power has on whole first refrigeration circuit, therefore gas-liquid separator's resistance can be ignored, but when adopting heat pipe fluorine pump 5 refrigeration, because the gravity that adopts liquid is as the power supply, consequently gas-liquid separator can form great resistance and then has influenced the operation of whole second refrigeration circuit, in order to prevent this kind of condition, with the solitary setting of gas-liquid separator on first refrigeration circuit, thereby the refrigeration effect of heat pipe fluorine pump 5 has been improved.
In some possible designs, as shown in fig. 1, the second refrigeration circuit further comprises: a second control valve 8, the second control valve 8 being disposed between the first end of the condenser 2 and the first end of the evaporator 1; the second control valve 8 is connected to the inlet of the gas-liquid separator.
In this embodiment, the second refrigeration circuit further comprises: a second control valve 8. The second control valve 8 is arranged between the first end of the condenser 2 and the first end of the evaporator 1; the second control valve 8 is connected to the inlet of the gas-liquid separator. When the compressor 3 does not work, the second control valve 8 can control the conduction of the second refrigeration loop, and when the second refrigeration loop works alone, the refrigerant does not need to pass through the compressor 3 and the gas-liquid separator, so that the resistance of the second refrigeration loop is reduced. Meanwhile, the compressor 3 does not need to be started, and the energy consumption of the data center refrigerating air conditioning unit is reduced.
Meanwhile, when the compressor 3 is started, the second control valve 8 can be opened, and the second control valve 8 is connected between the first end of the condenser 2 and the first end of the evaporator 1, so that when only the compressor 3 works, the second control valve 8 is opened to adjust the front and rear pressures of the compressor 3, when the condenser 2 cannot receive the refrigerant output by the compressor 3, the refrigerant forms a larger condensation pressure in front of the condenser 2, and the space and the amount of the refrigerant in the whole circulation loop are fixed, so that the refrigerant flowing out of the condenser 2 cannot completely receive the pressure of the compressor 3, further the condensation pressure received by the evaporator 1 is reduced, further a high pressure is formed in a pipeline between the compressor 3 and the condenser 2, and the pressure of the pipeline from the condenser 2 to the compressor 3 through the evaporator 1 is reduced, the refrigeration effect is poor, and the condenser 2 is easy to damage. Through connecting second control valve 8 between the first end of condenser 2 and the first end of evaporimeter 1 in this application, reintroduce the refrigerant between condenser 2 and compressor 3 to the pressure between compressor 3 and condenser 2 has been balanced.
In some possible designs, as shown in fig. 1, the data center refrigeration air conditioning unit further includes: an inlet of the liquid storage device 9 is connected to the condenser 2, and an outlet of the liquid storage device 9 is connected to the filter 4; the inlet of the fluorine pump 5 is connected to the outlet of the reservoir 9.
In this technique, the data center refrigeration air conditioning unit further includes: an inlet of the liquid storage device 9 is connected to the condenser 2, and an outlet of the liquid storage device 9 is connected to the filter 4; the inlet of the fluorine pump 5 is connected to the outlet of the reservoir 9. The accumulator 9 is able to equalize the pressure of the entire refrigeration circuit. When power between condenser 2 and the evaporimeter 1 does not match, certain regulation can be carried out to whole pressure to reservoir 9 to make fluorine pump 5 and compressor 3 can normal operating, protected evaporimeter 1 and condenser 2 simultaneously, prevent that the evaporimeter 1 refrigeration effect is not good, perhaps the condition of condenser 2 subcooling from appearing.
In some possible designs, the data center refrigeration air conditioning unit further comprises: a third control valve 10, the third control valve 10 being provided at the outlet of the filter 4; for controlling the opening and closing of the filter 4.
In this embodiment, the data center refrigeration air conditioning unit further includes: a third control valve 10, the third control valve 10 being provided at the outlet of the filter 4; for controlling the opening and closing of the filter 4. The third control valve 10 can control the opening and closing of the filter 4, so that when the fluorine pump 5 is started, the refrigerant can not flow into the flow path where the filter 4 is located, the fluorine pump 5 can work normally, and meanwhile, when the compressor 3 is used for cooling, the flow of the refrigerant flowing into the filter 4 can be controlled, and the filter 4 can be prevented from being damaged due to overlarge pressure.
In some possible designs, as shown in fig. 2, the data center refrigeration air conditioning unit further includes: a first pipe line 11, the first pipe line 11 being connected between the outlet of the compressor 3 and the outlet of the condenser 2; a first valve body 12, the first valve body 12 being for controlling opening and closing of the first pipeline 11.
In this embodiment, the data center refrigeration air conditioning unit further includes: a first pipe line 11, the first pipe line 11 being connected between the outlet of the compressor 3 and the outlet of the condenser 2; a first valve body 12, the first valve body 12 being for controlling opening and closing of the first pipeline 11. In the low-temperature refrigeration mode, the required refrigeration capacity is large, the exhaust pressure of the compressor 3 is reduced, the circulating flow rate of the whole system is reduced, and the liquid flow of the condenser 2 is slow, so that frosting is caused, and the refrigeration capacity of the compressor 3 is reduced. By adopting the scheme, when the exhaust pressure of the compressor 3 is lower than a certain numerical value, the first valve body 12 is opened, the first pipeline 11 is conducted, part of the refrigerant does not pass through the condenser 2 and directly flows to the evaporator 1, so that the circulation is completed more quickly, the refrigerant flows back to the interior of the compressor 3, the exhaust pressure of the compressor 3 is improved, the pressure of the whole circulation is improved, the flow rate of the refrigerant in the condenser 2 is improved, the refrigerant is prevented from frosting, and the refrigerating efficiency of the data center refrigerating air conditioning unit during low-temperature refrigeration can be enhanced.
Further, as shown in fig. 2, the data center refrigerating and air-conditioning unit further includes: a second pipe 13, the second pipe 13 being connected between an inlet of the gas-liquid separator and an outlet of the condenser 2; a second valve body 14, the second valve body 14 being for controlling the opening and closing of the second conduit 13.
In this embodiment, the data center refrigeration air conditioning unit further includes: a second pipe 13, the second pipe 13 being connected between an inlet of the gas-liquid separator and an outlet of the condenser 2; a second valve body 14, the second valve body 14 being for controlling the opening and closing of the second conduit 13. When the discharge temperature of the compressor 3 is high, the second valve 14 is opened, and a part of the liquid refrigerant flowing out of the condenser 2 flows to the direction of the compressor 3, but does not flow to the evaporator 1, i.e. does not participate in the circulation of the indoor unit. In addition, a gas-liquid separator is further disposed in front of the compressor 3, that is, a part of the refrigerant from the condenser 2 flows to the gas-liquid separator through the second pipeline 13, the liquid refrigerant is vaporized in the gas-liquid separator, and the vapor absorbs heat, so that the temperature of the refrigerant in the gas-liquid separator is reduced, and the temperature of the refrigerant flowing into the compressor 3 is reduced, thereby reducing the exhaust temperature of the compressor 3, protecting the safety of the compressor 3, and prolonging the service life of the compressor 3.
Further, the data center refrigerating air conditioning unit also comprises: a third pipe 15, the third pipe 15 being connected between the accumulator 9 and the condenser 2; a third valve body 16, the third valve body 16 being used to control the opening and closing of the third duct 15.
In this embodiment, the data center cooling air conditioning unit as shown in fig. 2 further includes: a third pipe 15, the third pipe 15 being connected between the accumulator 9 and the condenser 2; a third valve body 16, the third valve body 16 being used to control the opening and closing of the third duct 15. When the intake pressure of the compressor 3 is insufficient, the smoothness of the whole circulation is affected, the refrigerant flow of the filter 4 has an upper limit, and a part of the refrigerant flows to the evaporator 1 through the third pipeline 15 by opening the third valve body 16, so that the upper limit of the flow to the evaporator 1 is improved, the intake pressure of the compressor 3 is further improved by improving the flow of the refrigerant to the evaporator 1, and the whole circulation of the evaporator 1 and the condenser 2 is ensured.
Further, as shown in fig. 2, the condenser 2 is a heat pipe heat exchanger; the evaporator 1 is a heat pipe heat exchanger.
In this embodiment, the condenser 2 is a heat pipe heat exchanger; the evaporator 1 is a heat pipe heat exchanger. Because the same condenser 2 and evaporator 1 are adopted in the refrigeration mode of the compressor 3 and the refrigeration mode of the heat pipe fluorine pump 5, the heat pipe heat exchanger is adopted in the evaporator 1, the heat pipe heat exchanger is adopted in the condenser 2, the refrigeration mode of the compressor 3 can be met under the condition of meeting the refrigeration mode of the heat pipe fluorine pump 5, and meanwhile, the volume of a product is reduced because the condenser 2 and the evaporator 1 are omitted.
Example two
As shown in fig. 1, the utility model provides a data center refrigeration air conditioning unit includes: evaporator 1, condenser 2, compressor 3, filter 4, fluorine pump 5. The air inlet of the compressor 3 is connected with the first end of the evaporator 1, and the air outlet of the compressor 3 is connected with the first end of the condenser 2; a liquid inlet of the filter 4 is connected with the second end of the condenser 2, and a liquid outlet of the filter 4 is connected with the second end of the evaporator 1; the compressor 3, the condenser 2, the evaporator 1 and the filter 4 form a first refrigeration circuit; the fluorine pump 5 forms a second refrigeration circuit with the condenser 2 and the evaporator 1. When the environmental temperature T is less than or equal to 10 ℃, the heat pipe mode is adopted, the compressor 3 is not started, and only the fluorine pump 5 takes away the heat of the machine room. When the ambient temperature T is more than 10 ℃, the compressor 3 is started to supply cold at the moment. Meanwhile, the operation principle is that the fluorine pump 5 takes precedence, namely, indoor heat dissipation is taken away by the fluorine pump 5 preferentially, the insufficient part is supplemented by the compressor 3, and the heat pipe system is driven by the fluorine pump 5, so that the free control of the system can be realized. .
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A data center refrigeration air conditioning unit, comprising:
an evaporator;
a condenser;
the air inlet of the compressor is connected with the first end of the evaporator, and the air outlet of the compressor is connected with the first end of the condenser;
a liquid inlet of the filter is connected with the second end of the condenser, and a liquid outlet of the filter is connected with the second end of the evaporator;
the compressor, the condenser, the evaporator and the filter form a first refrigeration circuit;
a fluorine pump forming a second refrigeration circuit with the condenser and the evaporator.
2. The data center refrigerated air conditioning unit of claim 1 further comprising:
a first control valve disposed at an inlet of the fluorine pump;
for controlling the opening and closing of the fluorine pump.
3. The data center refrigeration air conditioning unit set forth in claim 1 and further comprising:
and the inlet of the gas-liquid separator is connected with the first end of the evaporator, and the outlet of the gas-liquid separator is connected with the air inlet of the compressor.
4. The data center refrigeration air conditioning unit set forth in claim 3, wherein said second refrigeration circuit further comprises:
a second control valve disposed between the first end of the condenser and the first end of the evaporator;
the second control valve is connected with the inlet of the gas-liquid separator.
5. The data center refrigeration air conditioning unit set forth in claim 3 and further comprising:
an inlet of the liquid storage device is connected to the condenser, and an outlet of the liquid storage device is connected to the filter;
the inlet of the fluorine pump is connected with the outlet of the liquid storage device.
6. The data center refrigeration air conditioning unit set forth in any one of claims 1-5 further comprising:
a third control valve disposed at an outlet of the filter;
for controlling the opening and closing of the filter.
7. The data center refrigeration air conditioning unit set forth in any one of claims 1-5 further comprising:
a first line connected between an outlet of the compressor and an outlet of the condenser;
a first valve body for controlling opening and closing of the first conduit.
8. The data center refrigerated air conditioning unit of claim 3 further comprising:
a second pipe connected between an inlet of the gas-liquid separator and an outlet of the condenser;
a second valve body for controlling opening and closing of the second conduit.
9. The data center refrigerated air conditioning unit of claim 5 further comprising:
a third pipe connected between the accumulator and the condenser;
a third valve body for controlling opening and closing of the third line.
10. The data center refrigerated air conditioning unit of any of claims 1 to 5,
the condenser is a heat pipe heat exchanger;
the evaporator is a heat pipe heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222783771.5U CN218722403U (en) | 2022-10-21 | 2022-10-21 | Data center refrigeration air conditioning unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222783771.5U CN218722403U (en) | 2022-10-21 | 2022-10-21 | Data center refrigeration air conditioning unit |
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| CN202222783771.5U Active CN218722403U (en) | 2022-10-21 | 2022-10-21 | Data center refrigeration air conditioning unit |
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| CN (1) | CN218722403U (en) |
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