CN211400390U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
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- CN211400390U CN211400390U CN201922226252.7U CN201922226252U CN211400390U CN 211400390 U CN211400390 U CN 211400390U CN 201922226252 U CN201922226252 U CN 201922226252U CN 211400390 U CN211400390 U CN 211400390U
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Abstract
The application provides an air conditioning system, including condenser, flash tank and at least one cooling channel, the condenser passes through cooling channel with the flash tank is linked together, cooling channel includes the cooling zone, the cooling zone can be treated the cooling part and cooled off, works as when air conditioning system is in first operating mode, coolant flows through the cooling zone to flow in the flash tank. The embodiment of the utility model provides an air conditioning system who provides can make waiting among the air conditioning system to cool off the part and be in suitable cooling effect, improves air conditioning system's reliability and performance.
Description
Technical Field
The application belongs to the technical field of air conditioning, and particularly relates to an air conditioning system.
Background
In the existing air conditioning system, especially in a centrifugal water chilling unit, key heating parts such as a motor, a frequency converter and the like need to be cooled. In the prior art, a high-pressure liquid heat exchange medium is taken from the bottom of a condenser and enters a part to be cooled, the heat exchange medium undergoes phase change heat absorption to cool the part to be cooled, the part is evaporated into a gaseous heat exchange medium, and the gaseous heat exchange medium enters an evaporator. In the whole cooling process, the pressure difference between the condenser and the evaporator is a power source of the cooling loop, the size of the pressure difference directly determines the cooling effect of the part to be cooled, and the larger the pressure difference is, the stronger the cooling effect is.
However, for a dual-working-condition air conditioning system, such as an ice cold storage dual-working-condition centrifugal chiller, the air conditioning working condition is worked in the daytime, and the ice storage working condition is worked at night. Under the working condition of an air conditioner, the pressure of the evaporator is higher, and the pressure difference between the condenser and the evaporator is smaller; under the ice storage working condition, the pressure of the evaporator is lower, and the pressure difference between the condenser and the evaporator is larger. When in the air conditioner operating mode, wait that the cooling effect of cooling part is moderate, when changing to the ice-storage operating mode, the pressure differential grow of condenser and evaporimeter, wait that the supercooling phenomenon can appear in the cooling part, lead to appearing condensation, cold volume extravagant scheduling problem, and then influence the reliability and the performance of unit.
SUMMERY OF THE UTILITY MODEL
Therefore, an object of the present invention is to provide an air conditioning system, which can improve the reliability and performance of the air conditioning system by maintaining the components to be cooled in the air conditioning system in a proper cooling effect.
In order to solve the problem, the application provides an air conditioning system, including condenser, flash tank and at least one cooling channel, the condenser passes through cooling channel with the flash tank is linked together, cooling channel includes the cooling zone, the cooling zone can be treated the cooling part and cool off, works as when air conditioning system is in first operating mode, coolant flows through the cooling zone to flow in the flash tank.
Preferably, the air conditioning system further comprises an evaporator, the condenser is communicated with the evaporator through the cooling channel, and when the air conditioning system is in the second working condition, the cooling medium flows through the cooling section and flows into the evaporator.
Preferably, the cooling channel further comprises a first branch section and a second branch section, the condenser is communicated with the flash evaporator through the cooling section and the first branch section, the condenser is communicated with the evaporator through the cooling section and the second branch section, when the air conditioning system is in a first working condition, the cooling medium flows into the flash evaporator through the cooling section and the first branch section, and when the air conditioning system is in a second working condition, the cooling medium flows into the evaporator through the cooling section and the second branch section.
Preferably, a first control valve is arranged on the first branch section, and when the air conditioning system is in a first working condition, the first control valve is opened so that the cooling medium flows into the flash tank through the cooling section and the first branch section.
Preferably, a second control valve is arranged on the second branch section, and when the air conditioning system is in a second working condition, the second control valve is opened so that the cooling medium flows into the evaporator through the cooling section and the second branch section.
Preferably, the first working condition is an ice storage working condition, and the second working condition is an air conditioner working condition.
Preferably, the air conditioning system includes a first cooling passage for cooling the first component to be cooled and a second cooling passage for cooling the second component to be cooled.
Preferably, the first part to be cooled is a motor of a compressor, and the second part to be cooled is a frequency converter.
Preferably, the first cooling channel comprises a first cooling section, a first branch section and a second branch section, when the air conditioning system is in a first working condition, the cooling medium flows into the flash evaporator through the first cooling section and the first branch section, and when the air conditioning system is in a second working condition, the cooling medium flows into the evaporator through the first cooling section and the second branch section;
the second cooling channel comprises a second cooling section, a third branch section and a fourth branch section, when the air-conditioning system is in a first working condition, cooling medium flows into the flash evaporator through the second cooling section and the third branch section, and when the air-conditioning system is in a second working condition, cooling medium flows into the evaporator through the second cooling section and the fourth branch section.
Preferably, a first control valve is arranged on the first branch section, a second control valve is arranged on the second branch section, a third control valve is arranged on the third branch section, and a fourth control valve is arranged on the fourth branch section;
when the air conditioning system is in a first working condition, the first control valve and the third control valve are opened, and the second control valve and the fourth control valve are closed, so that the cooling medium flows into the flash tank through the first cooling section, the first branch section, the second cooling section and the third branch section;
when the air conditioning system is in a second working condition, the second control valve and the fourth control valve are opened, and the first control valve and the third control valve are closed, so that the cooling medium flows into the evaporator through the first cooling section, the second branch section, the second cooling section and the fourth branch section.
Preferably, a throttling device is arranged on the cooling channel between the component to be cooled and the condenser.
Preferably, the air conditioning system can also be a heat pump unit or a cold water unit.
Advantageous effects
The embodiment of the utility model provides an air conditioning system who provides can make waiting among the air conditioning system to cool off the part and be in suitable cooling effect, improves air conditioning system's reliability and performance.
Drawings
Fig. 1 is a schematic diagram of a system according to an embodiment of the present application.
The reference numerals are represented as:
1. a condenser; 2. a compressor; 3. a frequency converter; 4. a flash tank; 5. an evaporator; 61. a first cooling section; 611. a first throttle valve; 62. a first branch section; 621. a first control valve; 63. a second branch section; 631. a second control valve; 71. a second cooling section; 711. a second throttle valve; 72. a third branch section; 721. a third control valve; 73. a fourth branch section; 731. a fourth control valve.
Detailed Description
Referring to fig. 1 in combination, according to an embodiment of the present application, an air conditioning system includes a condenser 1, a flash tank 4, and at least one cooling channel, the condenser 1 is communicated with the flash tank 4 through the cooling channel, the cooling channel includes a cooling section, the cooling section is capable of cooling a component to be cooled, and when the air conditioning system is in a first operating condition, a cooling medium flows through the cooling section and flows into the flash tank 4. Through setting up cooling channel, will wait to cool off the part setting on the cooling zone to make condenser 1 communicate with each other with flash tank 4 through cooling channel, realize can reaching suitable cooling effect under first operating mode, improve air conditioning system's reliability and performance.
The air conditioning system further comprises an evaporator 5, the condenser 1 is communicated with the evaporator 5 through a cooling channel, and when the air conditioning system is in the second working condition, the cooling medium flows through the cooling section and flows into the evaporator 5. Through setting up evaporimeter 5 to make condenser 1 and evaporimeter 5 be linked together through cooling channel, can make air conditioning system when being in the second operating mode, in cooling medium flowed into evaporimeter 5 from condenser 1, guarantee to wait that the cooling part can reach appropriate cooling effect when the second operating mode, improve air conditioning system's reliability and performance.
In this embodiment, the first operating condition is an ice storage operating condition, and the second operating condition is an air conditioner operating condition. In the working condition of the air conditioner, the pressure difference between the condenser 1 and the evaporator 5 is small. In the ice storage condition, the pressure difference between the condenser 1 and the evaporator 5 is larger, and the pressure difference between the condenser 1 and the flash tank 4 is smaller. Therefore, in the ice storage working condition, the condenser 1 is communicated with the flash evaporator 4, so that the heat exchange medium enters the flash evaporator 4, the cooling degree of the part to be cooled can be effectively reduced, the supercooling phenomenon of the part to be cooled is further reduced, the problems of condensation, cold quantity waste and the like are prevented, and the reliability and the performance of the air conditioning system are ensured.
Further, when the air conditioning system is in the first working condition, the pressure difference between the condenser 1 and the flash tank 4 is P1, when the air conditioning system is in the second working condition, the pressure difference between the condenser 1 and the evaporator 5 is P2, and P1 and P2 are basically equal to each other, so that the air conditioning system can achieve proper cooling effect under different working conditions, condensation, supercooling and the like are avoided, and the reliability and performance of the air conditioning system are improved.
Further, in this embodiment, the heat exchange medium is a refrigerant.
The cooling channel further comprises a first branch section 62 and a second branch section 63, the condenser 1 is communicated with the flash evaporator 4 through the cooling section and the first branch section 62, the condenser 1 is communicated with the evaporator 5 through the cooling section and the second branch section 63, when the air conditioning system is in a first working condition, the cooling medium flows into the flash evaporator 4 through the cooling section and the first branch section 62, and when the air conditioning system is in a second working condition, the cooling medium flows into the evaporator 5 through the cooling section and the second branch section 63. Through setting up first branch section 62 and second branch section 63, make first branch section 62 and flash tank 4 communicate with each other, second branch section 63 communicates with each other with evaporimeter 5, so that when first operating mode, heat transfer medium gets into flash tank 4, when the second operating mode, heat transfer medium gets into evaporimeter 5, can effectively reduce the cooling degree of treating the cooling part, and then reduce the supercooling phenomenon of treating the cooling part, prevent the emergence of condensation, cold volume waste scheduling problem, the reliability and the performance of system have been guaranteed.
Further, the first branch section 62 and the second branch section 63 are arranged in parallel, and the first branch section 62 and the second branch section 63 are connected in parallel on the cooling section.
Specifically, in this embodiment, the air conditioning system includes a first cooling channel and a second cooling channel, where the first cooling channel is used for cooling the first component to be cooled, and the second cooling channel is used for cooling the second component to be cooled. Through setting up first cooling channel and second cooling channel, can wait to cool off the part to two simultaneously, guarantee air conditioning system's operating stability.
A throttling device is arranged on a cooling channel between the part to be cooled and the condenser 1. And the pressure of the refrigerant is effectively reduced through the throttling device.
Further, the throttling device is a throttling valve.
Specifically, in this embodiment, the first component to be cooled is a motor of the compressor 2, and the second component to be cooled is the inverter 3.
The first cooling channel comprises a first cooling section 61, a first branch section 62 and a second branch section 63, when the air conditioning system is in a first working condition, the cooling medium flows into the flash evaporator 4 through the first cooling section 61 and the first branch section 62, and when the air conditioning system is in a second working condition, the cooling medium flows into the evaporator 5 through the first cooling section 61 and the second branch section 63; the second cooling passage includes a second cooling section 71, a third branch section 72, and a fourth branch section 73, and when the air conditioning system is in the first operating condition, the cooling medium flows into the flash tank 4 through the second cooling section 71 and the third branch section 72, and when the air conditioning system is in the second operating condition, the cooling medium flows into the evaporator 5 through the second cooling section 71 and the fourth branch section 73. Through setting up first cooling zone 61, first branch section 62, second branch section 63, second cooling zone 71, third branch section 72 and fourth branch section 73, guaranteed the circulation stability of refrigerant, realized reducing the supercooling phenomenon of treating the cooling part, prevent the emergence of condensation, cold volume waste scheduling problem, guaranteed air conditioning system's reliability and performance.
The first branch section 62 is provided with a first control valve 621, the second branch section 63 is provided with a second control valve 631, the third branch section 72 is provided with a third control valve 721, and the fourth branch section 73 is provided with a fourth control valve 731.
When the air conditioning system is in the first working condition, the first control valve 621 and the third control valve 721 are opened, and the second control valve 631 and the fourth control valve 731 are closed, so that the cooling medium flows into the flash tank 4 through the first cooling section 61, the first branch section 62, the second cooling section 71 and the third branch section 72;
when the air conditioning system is in the second operating condition, the second and fourth control valves 631 and 731 are opened, and the first and third control valves 621 and 721 are closed, so that the cooling medium flows into the evaporator 5 through the first and second cooling sections 61 and 63, the second cooling section 71 and the fourth branch section 73. Through setting up first control valve 621, second control valve 631, third control valve 721 and fourth control valve 731, guarantee that the refrigerant is in first operating mode after through compressor 2's motor and converter 3, all get into in flash tank 4, in refrigerant all gets into evaporimeter 5 after through compressor 2's motor and converter 3 when the second operating mode, further guaranteed to wait among the air conditioning system that the cooling part is in appropriate cooling effect, improvement air conditioning system's reliability and performance.
A first throttle valve 611 is provided in a cooling passage between the motor of the compressor 2 and the condenser 1, and a second throttle valve 711 is provided in a cooling passage between the inverter 3 and the condenser 1.
Furthermore, the air conditioning system can also be a heat pump unit or a cold water unit.
The embodiment of the utility model provides an air conditioning system who provides can make waiting among the air conditioning system to cool off the part and be in suitable cooling effect, improves air conditioning system's reliability and performance.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (12)
1. The air conditioning system is characterized by comprising a condenser (1), a flash evaporator (4) and at least one cooling channel, wherein the condenser (1) is communicated with the flash evaporator (4) through the cooling channel, the cooling channel comprises a cooling section, the cooling section can cool a component to be cooled, and when the air conditioning system is in a first working condition, a cooling medium flows through the cooling section and flows into the flash evaporator (4).
2. Air conditioning system according to claim 1, characterized in that the air conditioning system further comprises an evaporator (5), the condenser (1) and the evaporator (5) being in communication via the cooling channel, and when the air conditioning system is in the second operating condition, a cooling medium flows through the cooling section and into the evaporator (5).
3. Air conditioning system according to claim 2, wherein the cooling channel further comprises a first branch section (62) and a second branch section (63), the condenser (1) and the flash evaporator (4) being in communication via the cooling section and the first branch section (62), the condenser (1) and the evaporator (5) being in communication via the cooling section and the second branch section (63), and wherein when the air conditioning system is in a first operating condition, the cooling medium flows into the flash evaporator (4) via the cooling section and the first branch section (62), and when the air conditioning system is in a second operating condition, the cooling medium flows into the evaporator (5) via the cooling section and the second branch section (63).
4. Air conditioning system according to claim 3, wherein a first control valve (621) is arranged on the first branch section (62), and when the air conditioning system is in the first operating condition, the first control valve (621) is opened to allow the cooling medium to flow into the flash tank (4) through the cooling section and the first branch section (62).
5. The air conditioning system of claim 3, wherein a second control valve (631) is provided in the second branch section (63), and when the air conditioning system is in a second operating condition, the second control valve (631) is opened to allow the cooling medium to flow into the evaporator (5) through the cooling section and the second branch section (63).
6. The air conditioning system of claim 2, wherein the first operating condition is an ice storage operating condition and the second operating condition is an air conditioning operating condition.
7. The air conditioning system of claim 2, comprising a first cooling passage for cooling a first component to be cooled and a second cooling passage for cooling a second component to be cooled.
8. Air conditioning system according to claim 7, characterized in that the first component to be cooled is the motor of the compressor (2) and the second component to be cooled is the frequency converter (3).
9. Air conditioning system according to claim 7, wherein the first cooling channel comprises a first cooling section (61), a first branch section (62) and a second branch section (63), wherein when the air conditioning system is in a first operating condition, the cooling medium flows into the flash evaporator (4) through the first cooling section (61) and the first branch section (62), and when the air conditioning system is in a second operating condition, the cooling medium flows into the evaporator (5) through the first cooling section (61) and the second branch section (63);
the second cooling channel comprises a second cooling section (71), a third branch section (72) and a fourth branch section (73), when the air conditioning system is in a first working condition, a cooling medium flows into the flash evaporator (4) through the second cooling section (71) and the third branch section (72), and when the air conditioning system is in a second working condition, the cooling medium flows into the evaporator (5) through the second cooling section (71) and the fourth branch section (73).
10. The air conditioning system of claim 9, wherein a first control valve (621) is disposed on the first branch section (62), a second control valve (631) is disposed on the second branch section (63), a third control valve (721) is disposed on the third branch section (72), and a fourth control valve (731) is disposed on the fourth branch section (73);
when the air conditioning system is in a first working condition, the first control valve (621) and the third control valve (721) are opened, and the second control valve (631) and the fourth control valve (731) are closed, so that cooling medium flows into the flash tank (4) through the first cooling section (61), the first branch section (62), the second cooling section (71) and the third branch section (72);
when the air conditioning system is in a second working condition, the second control valve (631) and the fourth control valve (731) are opened, and the first control valve (621) and the third control valve (721) are closed, so that the cooling medium flows into the evaporator (5) through the first cooling section (61) and the second branch section (63), the second cooling section (71) and the fourth branch section (73).
11. Air conditioning system according to claim 1, characterized in that a throttling device is arranged on the cooling channel between the component to be cooled and the condenser (1).
12. Air conditioning system according to claim 1, wherein the air conditioning system can also be a heat pump unit or a cold water unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226252.7U CN211400390U (en) | 2019-12-11 | 2019-12-11 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226252.7U CN211400390U (en) | 2019-12-11 | 2019-12-11 | Air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211400390U true CN211400390U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922226252.7U Active CN211400390U (en) | 2019-12-11 | 2019-12-11 | Air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211400390U (en) |
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2019
- 2019-12-11 CN CN201922226252.7U patent/CN211400390U/en active Active
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