CN210599415U - Compressor and air conditioning system - Google Patents
Compressor and air conditioning system Download PDFInfo
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- CN210599415U CN210599415U CN201921283846.5U CN201921283846U CN210599415U CN 210599415 U CN210599415 U CN 210599415U CN 201921283846 U CN201921283846 U CN 201921283846U CN 210599415 U CN210599415 U CN 210599415U
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Abstract
The utility model provides a compressor and air conditioning system. The compressor comprises a low-pressure-stage machine body and a high-pressure-stage machine body, wherein the low-pressure-stage machine body is provided with a low-pressure-stage air suction port and a low-pressure-stage air exhaust port, the high-pressure-stage machine body is provided with a high-pressure-stage air suction port, and a communicating pipeline is arranged between the low-pressure-stage air exhaust port and the high-pressure-stage. The utility model provides a compressor and air conditioning system, set up the intercommunication passageway, avoid flowing through the motor with low pressure level exhaust and cause the problem that high pressure level exhaust temperature rises, can switch the source of breathing in of high pressure level organism according to the demand simultaneously, thereby adjust the exhaust pressure of compressor, overcome and caused the extravagant state of resources such as compression because of the rated pressure ratio among the prior art, can increase the exhaust flow under the same exhaust pressure simultaneously when low pressure level organism and high pressure level organism simultaneous working, increase the output capacity of compressor, thereby increase the application scope of compressor.
Description
Technical Field
The utility model relates to a compressor arrangement technical field, especially a compressor and air conditioning system.
Background
The working principle of the existing single-machine two-stage screw compressor is that two pairs of screw rotors are connected in series through a coupler, refrigerant enters a low-pressure stage rotor cavity through a compressor air suction port and is compressed, then enters a high-pressure stage rotor cavity through a motor cavity and is compressed, and finally is discharged through ultrahigh-pressure gas. The main approach is to compress the low pressure refrigerant into an ultra high pressure gas by a two stage compression technique, as shown. Is often applied to ultra-high temperature heat pump and ultra-low temperature freezing and refrigerating technology.
When the single-unit two-stage compressor is applied to a heat pump unit, the compressor is mainly used for ultra-high temperature heating due to the structural design of the high pressure ratio of the compressor, and is generally applied to cold winter or very cold regions. In other seasons or warmer areas, the pressure ratio required by the unit is far smaller than that of the compressor on the unit, so that the compressor is in low-power operation or in an over-compression state for a long time, and resources are wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the pressure ratio of a double-stage compressor is far greater than the requirement, so that the resource waste is caused, the compressor and the air conditioning system are provided, wherein the final pressure ratio of the compressor is adjusted by switching between single-stage compression and double-stage compression.
The utility model provides a compressor, includes low pressure level organism and high pressure level organism, the low pressure level organism has low pressure level induction port and low pressure level gas vent, the high pressure level organism has high pressure level induction port, the low pressure level gas vent with be provided with the intercommunication pipeline between the high pressure level induction port, low pressure level induction port and low pressure air supply intercommunication, the high pressure level induction port have with the first state of low pressure level gas vent intercommunication and with the second state of low pressure air supply intercommunication.
The communicating pipeline is provided with a three-way valve, a first inlet of the three-way valve is communicated with the low-pressure stage air suction port, a second inlet of the three-way valve is communicated with the low-pressure air source, an outlet of the three-way valve is communicated with the high-pressure stage exhaust port, the first inlet is communicated with the outlet in the first state, and the second inlet is communicated with the outlet in the second state.
The compressor has induction port, low pressure export and high pressure outlet, low pressure level induction port with the second entry with the induction port intercommunication during the first state, low pressure export with low pressure level gas vent intercommunication, high pressure export with high pressure level gas vent intercommunication during the second state, low pressure export with low pressure level gas vent with high pressure level gas vent all communicates.
The internal pressure ratio of the low-pressure stage machine body is the same as that of the high-pressure stage machine body.
The compressor has a high temperature heat pump mode and a refrigeration mode:
in the refrigeration mode, the high-pressure stage air suction port is in the second state, and the internal pressure ratio of the low-pressure stage machine body or the internal pressure ratio of the high-pressure stage machine body both meet the requirement of the refrigeration mode;
in the high-temperature heat pump mode, the high-pressure stage air suction port is in the first state, and the superposition result of the internal pressure ratio of the low-pressure stage machine body and the internal pressure ratio of the high-pressure stage machine body meets the requirement of the high-temperature heat pump mode.
The compressor has an ultra high temperature heat pump mode and a high temperature heat pump mode:
in the high-temperature heat pump mode, the high-pressure stage air suction port is in the second state, and the internal pressure ratio of the low-pressure stage machine body or the internal pressure ratio of the high-pressure stage machine body both meet the requirement of the high-temperature heat pump mode;
in the ultra-high temperature heat pump mode, the high-pressure air suction port is in the first state, and the superposition result of the internal pressure ratio of the low-pressure machine body and the internal pressure ratio of the high-pressure machine body meets the requirement of the ultra-high temperature heat pump mode.
The compressor further comprises a motor, wherein the motor is arranged between the low-pressure-stage machine body and the high-pressure-stage machine body, and the motor is simultaneously connected with the low-pressure-stage machine body and the high-pressure-stage machine body.
The low pressure level induction port set up in the low pressure level organism is kept away from the one end of motor, the low pressure level gas vent set up in the low pressure level organism is close to the one end of motor the high pressure level induction port set up in the high pressure level organism is close to the one end of motor, the high pressure level gas vent set up in the high pressure level organism is kept away from the one end of motor.
An air conditioning system comprises the compressor.
The utility model provides a compressor and air conditioning system, set up the intercommunication passageway, avoid flowing through the motor with low pressure level exhaust and cause the problem that high pressure level exhaust temperature rises, can switch the source of breathing in of high pressure level organism according to the demand simultaneously, thereby adjust the exhaust pressure of compressor, overcome and caused the extravagant state of resources such as compression because of the rated pressure ratio among the prior art, can increase the exhaust flow under the same exhaust pressure simultaneously when low pressure level organism and high pressure level organism simultaneous working, increase the output capacity of compressor, thereby increase the application scope of compressor.
Drawings
Fig. 1 is a schematic structural diagram of a compressor and an embodiment of an air conditioning system according to the present invention;
in the figure:
1. a low-pressure stage machine body; 2. a high-pressure stage machine body; 3. a communicating pipeline; 11. a low-pressure stage air suction port; 12. a low pressure stage exhaust port; 21. a high-pressure stage air suction port; 4. and a three-way valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The compressor shown in fig. 1 comprises a low-pressure stage body 1 and a high-pressure stage body 2, wherein the low-pressure stage body 1 is provided with a low-pressure stage suction port 11 and a low-pressure stage exhaust port 12, the high-pressure stage body 2 is provided with a high-pressure stage suction port 21, a communication pipeline 3 is arranged between the low-pressure stage exhaust port 12 and the high-pressure stage suction port 21, the low-pressure stage suction port 11 is communicated with a low-pressure air source, the high-pressure stage suction port 21 is provided with a first state communicated with the low-pressure stage exhaust port 12 and a second state communicated with the low-pressure air source, the suction source of the high-pressure stage suction port 21 is switched according to requirements, when the high-pressure ratio output is required, fluid compressed by the low-pressure stage body 1 can be sent into the high-pressure stage body 2 to be compressed again, so that the high-pressure ratio output is realized, and when the conventional pressure ratio, thereby satisfying the demand, and when the conventional pressure ratio of demand and large discharge capacity are exported, make low pressure stage organism 1 and high pressure stage organism 2 inhale the gas in the low pressure gas source simultaneously, carry out the one-level compression and discharge simultaneously to satisfy large discharge capacity export.
The communicating pipeline 3 is provided with a three-way valve 4, a first inlet of the three-way valve 4 is communicated with the low-pressure stage air suction port 11, a second inlet is communicated with the low-pressure air source, an outlet is communicated with the high-pressure stage air exhaust port, in the first state, the first inlet is communicated with the outlet, in the second state, the second inlet is communicated with the outlet, the three-way valve 4 comprises a valve block, when the first inlet is communicated with the outlet, the valve block seals the second inlet, and when the second inlet is communicated with the outlet, the valve block seals the first inlet.
The compressor has induction port, low pressure export and high pressure outlet, low pressure level induction port 11 with the second entry with the induction port intercommunication during the first state, low pressure export with low pressure level gas vent 12 intercommunication, high pressure export with high pressure level gas vent intercommunication during the second state, low pressure export with low pressure level gas vent 12 with high pressure level gas vent all communicates.
The internal pressure ratio of the low-pressure stage machine body 1 is the same as that of the high-pressure stage machine body 2, so that the final exhaust pressure of the compressor is relatively stable when the low-pressure stage machine body 1 and the high-pressure stage machine body 2 exhaust simultaneously.
The compressor has a high temperature heat pump mode and a refrigeration mode:
in the cooling mode, the high-pressure stage suction port 21 is in the second state, and the internal pressure ratio of the low-pressure stage body 1 or the internal pressure ratio of the high-pressure stage body 2 both meet the requirement of the cooling mode;
in the high temperature heat pump mode, the high pressure stage suction port 21 is in the first state, and a superposition result of the internal pressure ratio of the low pressure stage body 1 and the internal pressure ratio of the high pressure stage body 2 meets the requirement of the high temperature heat pump mode.
The compressor has an ultra high temperature heat pump mode and a high temperature heat pump mode:
in the high-temperature heat pump mode, the high-pressure stage suction port 21 is in the second state, and the internal pressure ratio of the low-pressure stage body 1 or the internal pressure ratio of the high-pressure stage body 2 both meet the requirement of the high-temperature heat pump mode;
in the ultra-high temperature heat pump mode, the high-pressure stage air inlet 21 is in the first state, and the superposition result of the internal pressure ratio of the low-pressure stage machine body 1 and the internal pressure ratio of the high-pressure stage machine body 2 meets the requirement of the ultra-high temperature heat pump mode
The compressor further comprises a motor, wherein the motor is arranged between the low-pressure-stage machine body 1 and the high-pressure-stage machine body 2, and the motor is simultaneously connected with the low-pressure-stage machine body 1 and the high-pressure-stage machine body 2.
Low pressure level induction port 11 set up in low pressure level organism 1 keeps away from the one end of motor, low pressure level gas vent 12 set up in low pressure level organism 1 is close to the one end of motor high pressure level induction port 21 set up in high pressure level organism 2 is close to the one end of motor, high pressure level gas vent set up in high pressure level organism 2 keeps away from the one end of motor.
An air conditioning system comprises the compressor.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A compressor, includes low pressure stage organism (1) and high pressure stage organism (2), low pressure stage organism (1) has low pressure stage induction port (11) and low pressure stage gas vent (12), high pressure stage organism (2) has high pressure stage induction port (21), its characterized in that: a communication pipeline (3) is arranged between the low-pressure stage exhaust port (12) and the high-pressure stage air suction port (21), the low-pressure stage air suction port (11) is communicated with a low-pressure air source, and the high-pressure stage air suction port (21) has a first state communicated with the low-pressure stage exhaust port (12) and a second state communicated with the low-pressure air source.
2. The compressor of claim 1, wherein: the connecting pipeline (3) is provided with a three-way valve (4), a first inlet of the three-way valve (4) is communicated with the low-pressure stage suction port (11), a second inlet of the three-way valve is communicated with the low-pressure gas source, an outlet of the three-way valve is communicated with the high-pressure stage exhaust port, the first inlet is communicated with the outlet in the first state, and the second inlet is communicated with the outlet in the second state.
3. The compressor of claim 2, wherein: the compressor is provided with an air suction port, a low-pressure outlet and a high-pressure outlet, the low-pressure stage air suction port (11) and the second inlet are communicated with the air suction port, the low-pressure outlet is communicated with the low-pressure stage exhaust port (12) in the first state, the high-pressure outlet is communicated with the high-pressure stage exhaust port, and the low-pressure outlet is communicated with the low-pressure stage exhaust port (12) and the high-pressure stage exhaust port in the second state.
4. A compressor according to claim 3, wherein: the internal pressure ratio of the low-pressure stage machine body (1) is the same as that of the high-pressure stage machine body (2).
5. The compressor of claim 1, wherein: the compressor has a high temperature heat pump mode and a refrigeration mode:
in the cooling mode, the high-pressure stage suction port (21) is in the second state, and the internal pressure ratio of the low-pressure stage body (1) or the internal pressure ratio of the high-pressure stage body (2) both meet the requirements of the cooling mode;
in the high-temperature heat pump mode, the high-pressure stage air inlet (21) is in the first state, and the superposition result of the internal pressure ratio of the low-pressure stage machine body (1) and the internal pressure ratio of the high-pressure stage machine body (2) meets the requirement of the high-temperature heat pump mode.
6. The compressor of claim 1, wherein: the compressor has an ultra high temperature heat pump mode and a high temperature heat pump mode:
in the high-temperature heat pump mode, the high-pressure stage air inlet (21) is in the second state, and the internal pressure ratio of the low-pressure stage machine body (1) or the internal pressure ratio of the high-pressure stage machine body (2) both meet the requirement of the high-temperature heat pump mode;
in the ultra-high temperature heat pump mode, the high-pressure stage air suction port (21) is in the first state, and the superposition result of the internal pressure ratio of the low-pressure stage machine body (1) and the internal pressure ratio of the high-pressure stage machine body (2) meets the requirement of the ultra-high temperature heat pump mode.
7. The compressor of claim 2, wherein: the compressor further comprises a motor, wherein the motor is arranged between the low-pressure-stage machine body (1) and the high-pressure-stage machine body (2), and the motor is connected with the low-pressure-stage machine body (1) and the high-pressure-stage machine body (2) simultaneously.
8. The compressor of claim 7, wherein: low pressure level induction port (11) set up in low pressure level organism (1) is kept away from the one end of motor, low pressure level gas vent (12) set up in low pressure level organism (1) is close to the one end of motor high pressure level induction port (21) set up in high pressure level organism (2) is close to the one end of motor, high pressure level gas vent set up in high pressure level organism (2) is kept away from the one end of motor.
9. An air conditioning system characterized by: comprising a compressor according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283846.5U CN210599415U (en) | 2019-08-08 | 2019-08-08 | Compressor and air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283846.5U CN210599415U (en) | 2019-08-08 | 2019-08-08 | Compressor and air conditioning system |
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| Publication Number | Publication Date |
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| CN210599415U true CN210599415U (en) | 2020-05-22 |
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| CN201921283846.5U Active CN210599415U (en) | 2019-08-08 | 2019-08-08 | Compressor and air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319008A (en) * | 2019-08-08 | 2019-10-11 | 珠海格力电器股份有限公司 | Compressor and air-conditioning system with two-stage degassing function |
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2019
- 2019-08-08 CN CN201921283846.5U patent/CN210599415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319008A (en) * | 2019-08-08 | 2019-10-11 | 珠海格力电器股份有限公司 | Compressor and air-conditioning system with two-stage degassing function |
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