CN217402890U - Lubricating oil heating device for gas heat pump air conditioner and air conditioning system - Google Patents
Lubricating oil heating device for gas heat pump air conditioner and air conditioning system Download PDFInfo
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- CN217402890U CN217402890U CN202221187169.9U CN202221187169U CN217402890U CN 217402890 U CN217402890 U CN 217402890U CN 202221187169 U CN202221187169 U CN 202221187169U CN 217402890 U CN217402890 U CN 217402890U
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Abstract
The utility model discloses a lubricating oil heating device and air conditioning system for gas heat pump air conditioner, include: the device comprises a radiator branch, a branch to be heated and a heat production branch; the branch circuit to be heated includes: the outside spiral pipeline of compressor and vapour and liquid separator, the heat production branch road includes: a helical conduit external to the engine; the radiator branch, the branch to be heated and the heat production branch are connected in parallel, the cooling liquid conveys heat generated by the engine to a spiral pipeline on the shell of the compressor and the gas-liquid separator, the spiral pipeline is used for heating lubricating oil inside the compressor and the gas-liquid separator, and the radiator branch is used for dissipating heat of the cooling liquid. This application utilizes original gas heat pump air conditioning system to design one kind and uses the heating device of engine heating replacement electrical heating, and under the low temperature condition, the cooling water dispels the heat to the engine of work to utilize the heat that produces to heat compressor and interior lubricating oil of vapour and liquid separator, improve energy utilization and rate and security greatly.
Description
Technical Field
The utility model discloses a lubricating oil heating device and air conditioning system for gas heat pump air conditioner relates to gas heat pump air conditioning equipment technical field.
Background
The compressor is a core component of the air conditioning system, and most of compressors need lubricating oil to lubricate moving components during operation, so that damage to the compressor caused by friction is prevented. Due to the characteristics of the lubricating oil, the viscosity of the lubricating oil at a low temperature is increased, and the lubricating oil effect is deteriorated. Therefore, a heating element is provided on the lubricant-storing part to heat the lubricant at low temperatures. The gas heat pump air conditioner is an air conditioning system which uses a gas engine to drive a compressor to refrigerate and heat, lubricating oil heating devices of all the existing gas heat pump air conditioners are the same as those of common electric air conditioners and use electric heating, and the electric heating has high energy consumption and poor safety.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the defect among the above-mentioned background art, provide a full-automatic desilting equipment is used in dock berth dredging depth, improve construction quality, efficiency of construction and construction accuracy.
In order to achieve the above object, the utility model adopts the following technical scheme: a lubricating oil heating apparatus for a gas heat pump air conditioner, comprising: the device comprises a radiator branch, a branch to be heated and a heat production branch; the branch to be heated comprises: the spiral pipeline outside compressor and vapour and liquid separator, the branch that generates heat include: a helical pipe external to the engine; the heat radiator branch, the branch to be heated and the heat production branch are connected in parallel, the cooling liquid conveys heat generated by the engine to a spiral pipeline on the shell of the compressor and the gas-liquid separator and is used for heating lubricating oil in the compressor and the gas-liquid separator, and the heat radiator branch is used for radiating the cooling liquid.
Furthermore, the radiator branch road, the branch road to be heated and the heat production branch road are connected by a three-way valve, two loops are formed among the radiator branch road, the branch road to be heated and the heat production branch road by the three-way valve, one loop is a loop between the branch road to be heated and the heat production branch road, the lubricating oil of the compressor and the gas-liquid separator is heated by the heat generated by the engine, and the other loop is a loop between the radiator branch road and the heat production branch road and is used for heat dissipation of the engine.
Furthermore, the heat production branch is connected with a water pump, and the water pump provides power for cooling water circulation.
Further, the spiral pipeline is uniformly wound on the outer walls of the gas-liquid separator and the compressor and is tightly attached to the outer walls of the gas-liquid separator and the compressor, the water inlet is formed in the lower sides of the shells of the gas-liquid separator and the compressor, and the water outlet is formed in the upper side of the shells of the gas-liquid separator and the compressor.
A gas heat pump air conditioning system comprising: above-mentioned lubricating oil heating device and refrigerating system, refrigerating system includes: the compressor, the oil separator, the outdoor unit heat exchanger, the outdoor unit electronic expansion valve, the indoor unit and the gas-liquid separator are sequentially connected and form a loop; the oil separator and the gas-liquid separator are connected through a pipeline.
Furthermore, belt pulleys are arranged on the compressor and the engine, a clutch is connected to the belt pulley of the compressor through belt transmission, the compressor works when the clutch is attracted, and the compressor does not work when the clutch is disconnected.
And one passage of the four-way valve is connected to a pipeline between the oil separator and the heat exchanger of the outdoor unit, and the other passage of the four-way valve is connected to a pipeline between the indoor unit and the gas-liquid separator.
Furthermore, the radiator and the outdoor heat exchanger are arranged in parallel, a fan motor is arranged on one side of the outdoor heat exchanger, and the heat dissipation effect of the radiator and the heat dissipation effect of the outdoor heat exchanger are improved through the fan motor.
Has the advantages that: this application utilizes original gas heat pump air conditioning system to design one kind and uses the heating device of engine heating replacement electrical heating, and under the low temperature condition, the cooling water dispels the heat to the engine of work to utilize the heat that produces to heat compressor and interior lubricating oil of vapour and liquid separator, improve energy utilization and rate and security greatly.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention;
FIG. 2 is a schematic diagram of the external piping of the compressor and gas-liquid separator.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 2, a lubricating oil heating device for a gas heat pump air conditioner includes: the heat radiator comprises a radiator 10 branch, a branch to be heated and a heat production branch; the branch to be heated comprises: the compressor 1 and the spiral pipeline 13 outside the gas-liquid separator 7, the heat generating branch comprises: a helical conduit 13 external to the engine 8; the radiator 10 branch, the branch to be heated and the heat production branch are connected in parallel, the cooling liquid conveys heat generated by the engine 8 to the spiral pipeline 13 on the shells of the compressor 1 and the gas-liquid separator 7, the cooling liquid is used for heating lubricating oil inside the compressor 1 and the gas-liquid separator 7, and the radiator 10 branch is used for dissipating heat of the cooling liquid.
The branch of the radiator 10, the branch to be heated and the heat production branch are connected by a three-way valve 9.
The heat production branch is connected with a water pump 11, and the water pump 11 provides power for cooling water circulation.
The spiral pipeline 13 is uniformly wound on the outer walls of the gas-liquid separator 7 and the compressor 1 and is tightly attached to the outer walls of the gas-liquid separator 7 and the compressor 1.
A gas heat pump air conditioning system comprising: above-mentioned lubricating oil heating device and refrigerating system, refrigerating system includes: the air conditioner comprises a compressor 1, an oil separator 2, an outdoor unit heat exchanger 4, an outdoor unit electronic expansion valve 5, an indoor unit 6 and an air-liquid separator 7 which are sequentially connected and form a loop; the oil separator 2 and the gas-liquid separator 7 are connected through a pipeline.
The indoor unit 6 may be connected in parallel by a plurality of same or different types of machines, and may be a water-fluorine heat exchanger.
The compressor 1 and the engine 8 are both provided with belt pulleys, the belt pulleys of the compressor 1 are in belt transmission, the clutch 14 is connected to the belt pulleys of the compressor 1, the compressor 1 works when the clutch 14 is attracted, and the compressor 1 does not work when the clutch 14 is disconnected.
And the four-way valve 3 is also included, wherein one passage of the four-way valve 3 is connected to a pipeline between the oil separator 2 and the outdoor heat exchanger 4, and the other passage is connected to a pipeline between the indoor unit 6 and the gas-liquid separator 7.
The radiator 10 is arranged in parallel with the outdoor heat exchanger 4, and a fan motor 12 is arranged on one side of the outdoor heat exchanger 4.
When the environment temperature is lower, the heated cooling water is led to the spiral pipeline through the three-way valve, the engine runs, the clutch is disconnected, and the lubricating oil in the compressor and the gas-liquid separator is heated by the high-temperature cooling water; when the preset temperature value is reached, the clutch is closed, the compressor starts to work, and meanwhile, the three-way valve leads cooling water to the radiator for heat dissipation and cyclic utilization.
This application utilizes original gas heat pump air conditioning system to design one kind and uses the heating device of engine heating replacement electrical heating, and under the low temperature condition, the cooling water dispels the heat to the engine of work to utilize the heat that produces to heat compressor and interior lubricating oil of vapour and liquid separator, improve energy utilization and rate and security greatly.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. A lubricating oil heating device for a gas heat pump air conditioner is characterized by comprising: the device comprises a radiator branch, a branch to be heated and a heat production branch; the branch to be heated comprises: the external spiral pipeline of compressor and vapour and liquid separator, heat production branch road include: a helical conduit external to the engine; the heat radiator branch, the branch to be heated and the heat production branch are connected in parallel, the cooling liquid conveys heat generated by the engine to a spiral pipeline on the shell of the compressor and the gas-liquid separator and is used for heating lubricating oil in the compressor and the gas-liquid separator, and the heat radiator branch is used for radiating the cooling liquid.
2. The lubricant oil heating device for the gas heat pump air conditioner as claimed in claim 1, wherein the radiator branch, the branch to be heated and the heat generating branch are connected by a three-way valve.
3. The lubricant oil heating device for the gas heat pump air conditioner as claimed in claim 1, wherein the heat generating branch is connected with a water pump, and the water pump provides power for cooling water circulation.
4. The lubricating oil heating device for the gas heat pump air conditioner as claimed in claim 1, wherein the spiral pipeline is uniformly wound on the outer walls of the gas-liquid separator and the compressor and is tightly attached to the outer walls of the gas-liquid separator and the compressor.
5. A gas heat pump air conditioning system, comprising: a lubricating oil heating device and refrigeration system as claimed in any one of claims 1 to 4, said refrigeration system comprising: the compressor, the oil separator, the outdoor unit heat exchanger, the outdoor unit electronic expansion valve, the indoor unit and the gas-liquid separator are sequentially connected and form a loop; the oil separator and the gas-liquid separator are connected through a pipeline.
6. The gas heat pump air conditioning system according to claim 5, wherein the compressor and the engine are both provided with belt pulleys, the belt pulleys of the compressor are driven by a belt, the belt pulleys of the compressor are connected with a clutch, the compressor works when the clutch is closed, and the compressor does not work when the clutch is disconnected.
7. The gas heat pump air conditioning system according to claim 5, further comprising a four-way valve, wherein one of the passages is connected to a pipe between the oil separator and the outdoor heat exchanger, and the other passage is connected to a pipe between the indoor unit and the gas-liquid separator.
8. The gas heat pump air conditioning system of claim 5, wherein the heat sink and the outdoor heat exchanger are disposed in parallel, and a fan motor is disposed at one side of the outdoor heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187169.9U CN217402890U (en) | 2022-05-18 | 2022-05-18 | Lubricating oil heating device for gas heat pump air conditioner and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187169.9U CN217402890U (en) | 2022-05-18 | 2022-05-18 | Lubricating oil heating device for gas heat pump air conditioner and air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217402890U true CN217402890U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221187169.9U Active CN217402890U (en) | 2022-05-18 | 2022-05-18 | Lubricating oil heating device for gas heat pump air conditioner and air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217402890U (en) |
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2022
- 2022-05-18 CN CN202221187169.9U patent/CN217402890U/en active Active
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