CN209027149U - A kind of quick oiling gas engine heat pump system - Google Patents
A kind of quick oiling gas engine heat pump system Download PDFInfo
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- CN209027149U CN209027149U CN201821697577.2U CN201821697577U CN209027149U CN 209027149 U CN209027149 U CN 209027149U CN 201821697577 U CN201821697577 U CN 201821697577U CN 209027149 U CN209027149 U CN 209027149U
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Abstract
The utility model discloses a kind of quick oiling gas engine heat pump systems, including refrigerant-cycle systems and the quick filling system of compressor lubricant oil；The refrigerant-cycle systems include compressor, oil eliminator, vapour liquid separator, outdoor heat exchanger, four-way valve, electric expansion valve, liquid storage device, indoor heat exchanger, check valve one, check valve two, check valve three and check valve four；The quick filling system of the compressor lubricant oil includes oil eliminator, oil return pipe, at least one lubricating oil fill port and oil return solenoid valve.The system structure simple and stable of the utility model, it is ensured that compressor lubricant oil filling is gone on smoothly；The filling efficiency for improving compressor lubricant oil, saves the time；System safely and fast fills compressor lubricant oil in the Shi Douke that shuts down and work, and will not cause adverse effect to system.
Description
Technical field
The utility model relates to gas engine heat pump systems, and in particular to a kind of quick oiling gas engine heat pump system, in combustion gas heat
Compressor lubricant oil can be quickly filled in the pump assembly course of work.
Background technique
Operation of air conditioning systems need to be filled with a certain amount of compressor lubricant oil, conventional air-conditioning system during production and processing
The filling of compressor lubricant oil in cool equipment system is fairly simple, because compressor therein is not substantially by filling lubricating oil
It influences.If but combustion-gas thermal pump air-conditioning system fills compressor lubricant oil using conventional method, will affect production efficiency.
In addition, the compressor oil pocket trapped fuel amount of gas-fired heat pump unit is less, for the normal work for meeting gas-fired heat pump unit,
Compressor lubricant oil must be replenished in time, however in the work of gas-fired heat pump unit, and cannot directly fill compressor lubricant oil.
Therefore, the prior art could be improved.
Utility model content
In view of the deficiencies of the prior art, the utility model discloses a kind of quick oiling gas engine heat pump system, in gas-fired heat pump
Compressor lubricant oil can be quickly filled in unit production and the course of work, to improve the production and work effect of heat pump system
Rate.
To achieve the above object, the technical solution of the utility model is:
A kind of quick oiling gas engine heat pump system, including refrigerant-cycle systems and compressor lubricant oil quickly fill and are
System；
The refrigerant-cycle systems include compressor, oil eliminator, vapour liquid separator, outdoor heat exchanger, four-way valve,
Electric expansion valve, liquid storage device, indoor heat exchanger, check valve one, check valve two, check valve three and check valve four；
The entrance of the refrigerant outlet of compressor and oil eliminator connects, the refrigerant outlet of oil eliminator and four-way valve
First port connection, the second port of four-way valve and the first port of outdoor heat exchanger connect, the second port of outdoor heat exchanger
It is successively connect through electric expansion valve, check valve one, liquid storage device, check valve four with the first port of indoor heat exchanger, indoor heat exchange
The second port of device and the 4th port of four-way valve connect, and the third port of four-way valve and the entrance of vapour liquid separator connect, vapour
The outlet of liquid/gas separator and the refrigerant inlet of compressor connect；The first port of indoor heat exchanger also successively through check valve three,
The second port connection of liquid storage device, check valve two, electric expansion valve and outdoor heat exchanger；
The quick filling system of the compressor lubricant oil includes oil eliminator, oil return pipe, the filling of at least one lubricating oil
Mouth and oil return solenoid valve；One end of oil return pipe is connect with the hydraulic fluid port of oil eliminator bottom, and the pouring orifice of the other end and compressor connects
It connects, lubricating oil fill port and oil return solenoid valve are arranged on oil return pipe, and lubricating oil fill port is located at oil eliminator and oil return electricity
Between magnet valve.
Further, the refrigerant-cycle systems further include heater, solenoid valve one, solenoid valve two and supercooling heat exchange
Device；
The outlet of liquid storage device is connect with a side entrance for crossing cold heat exchanger, and a side outlet for crossing cold heat exchanger is divided into two
Road, the import connection through solenoid valve one, heater and vapour liquid separator all the way, another way is through solenoid valve two and crosses cold heat exchanger
Secondary side entrance connection, the outlet for crossing the secondary side outlet and vapour liquid separator of cold heat exchanger connect；Cross the primary of cold heat exchanger
Side outlet is also connect with check valve two and check valve four respectively.
Oil eliminator is arranged in the utility model on compressor air-discharging pipeline (refrigerant line), and oil eliminator has separation
The effect of refrigerant and storage lubricating oil, in the gas-fired heat pump course of work, oil return solenoid valve is closed, the compressor lubricant oil of filling
Enter in oil eliminator along oil return pipe and store, when needing fuel feeding, oil return solenoid valve is opened, and guarantees that lubricating oil can normally return to pressure
In the oil pocket of contracting machine.Compared with prior art, the beneficial effect is that:
1, system structure simple and stable, it is ensured that compressor lubricant oil filling is gone on smoothly；
2, the filling efficiency for improving compressor lubricant oil, saves the time；
3, system safely and fast fills compressor lubricant oil in the Shi Douke that shuts down and work, and bad shadow will not be caused to system
It rings.
Detailed description of the invention
Fig. 1 is the principle assumption diagram of the quick oiling gas engine heat pump system of the utility model.
Description of symbols: 1- gas engine；2- compressor；3- driving belt；4- oil eliminator；5- oil return pipe；6-
Lubricating oil fill port；7- return pressure sensor；8- suction temperature sensor；9- refrigerant line；10- vapour liquid separator；11-
Outdoor heat exchanger；12- four-way valve；13- electric expansion valve；14- heater；15- solenoid valve one；16- solenoid valve two；17- supercooling
Heat exchanger；18- liquid storage device；19- indoor heat exchanger；20- check valve one；21- check valve two；22- check valve three；23- check valve
Four；24- oil return solenoid valve.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
It please refers to shown in Fig. 1, a kind of quick oiling gas engine heat pump system, mainly includes heat pump air conditioning system, compressor profit
The quick filling system of lubricating oil and matched control system.Wherein, heat pump air conditioning system is refrigerant-cycle systems, has system
Cold and heat-production functions.The quick filling system of compressor lubricant oil provides sufficient lubricating oil for compressor, protects the work of positive compression machine
Normal and service life.
Refrigerant-cycle systems include gas engine 1, compressor 2, driving belt 3, oil eliminator 4, return pressure biography
Sensor 7, suction temperature sensor 8, vapour liquid separator 10, outdoor heat exchanger 11, four-way valve 12, electric expansion valve 13, heater
14, solenoid valve 1, solenoid valve 2 16 and cold heat exchanger 17, liquid storage device 18, indoor heat exchanger 19, check valve 1, unidirectional is crossed
Valve 2 21, check valve 3 22 and check valve 4 23.The quick filling system of compressor lubricant oil include oil eliminator 4, oil return pipe 5,
At least one lubricating oil fill port 6 and oil return solenoid valve 24.
The refrigerant outlet of compressor 2 is connect with the entrance of oil eliminator 4, the refrigerant outlet and four-way of oil eliminator 4
The first port of valve 12 connects, and the second port of four-way valve 12 is connect with the first port of outdoor heat exchanger 11, outdoor heat exchanger
11 second port successively through electric expansion valve 13, check valve 1, liquid storage device 18, cross cold heat exchanger 17, check valve 4 23 with
The first port of indoor heat exchanger 19 connects, and the second port of indoor heat exchanger 19 is connect with the 4th port of four-way valve 12, and four
The third port of port valve 12 is connect with the entrance of vapour liquid separator 10, the outlet of vapour liquid separator 10 and the refrigerant of compressor 2
Entrance connection；The first port of indoor heat exchanger 19 also successively through check valve 3 22, liquid storage device 18, cross cold heat exchanger 17, unidirectional
Valve 2 21, electric expansion valve 13 are connect with the second port of outdoor heat exchanger 11；Return pressure sensor 7 and suction temperature sensing
Device 8 is installed on the inlet pipeline of vapour liquid separator 10.
Wherein, the outlet of liquid storage device 18 is connect with a side entrance for crossing cold heat exchanger 17, crosses the primary of cold heat exchanger 17
Side outlet is divided into two-way, connect all the way through solenoid valve 1, heater 14 with the import of vapour liquid separator 10, another way is through electromagnetism
Valve 2 16 is connect with the secondary side entrance for crossing cold heat exchanger 17, crosses the secondary side outlet and vapour liquid separator 10 of cold heat exchanger 17
Outlet connection.Check valve 1, check valve 2 21, check valve 3 22 and check valve 4 23 constitute a switching valve group, check valve
1 and check valve 3 22 connect with the entrance of liquid storage device 18, for that will be come out from outdoor heat exchanger 11 or indoor heat exchanger 19
Refrigerant be sent in liquid storage device 18, check valve 2 21 and check valve 4 23 connect with a side outlet for crossing cold heat exchanger 17
It connects, for indoor heat exchanger 19 or outdoor heat exchanger 11 will to be sent to from the refrigerant that cold heat exchanger 17 comes out excessively.
One end of oil return pipe 5 is connect with the hydraulic fluid port of 4 bottom of oil eliminator, and the other end is connect with the pouring orifice of compressor 2, profit
Lubricating oil fill port 6 and oil return solenoid valve 24 are arranged on oil return pipe 5, and lubricating oil fill port 6 is located at oil eliminator 4 and oil return electricity
Between magnet valve 24.Since the viscosity of compressor lubrication is big, poor fluidity generally requires and three or more is arranged on oil return pipe 5
Lubricating oil fill port 6 improves filling efficiency to guarantee compressor lubricant oil filling quickly.
A kind of working principle of quick oiling gas engine heat pump system of the present embodiment is illustrated below, refrigerant circulation
There are two types of operating modes, are divided into refrigeration mode and heating mode:
Under refrigeration mode, gas engine 1 directly drives compressor 2 to work by driving belt 3, compressed refrigerant
It commutates after refrigerant line 9 enters oil eliminator 4 through four-way valve 12, into 11 heat release of outdoor heat exchanger, refrigerant becomes
Liquid, then successively entered the room through electric expansion valve 13, check valve 1, liquid storage device 18, cold heat exchanger 17, check valve 4 23 excessively
Heat exchanger 19,19 evaporation endothermic of heat exchanger, refrigerant become gaseous state to refrigerant indoors, return to vapour liquid separator through four-way valve 12
10, separated gaseous refrigerant returns to compressor 2, completes the working cycles of a refrigeration mode refrigerant.When solenoid valve two
When 16 unlatching, some refrigerant is flowed out from 17 primary side of cold heat exchanger is crossed, flowed back to 17 secondary side evaporation endothermic of cold heat exchanger, it can
So that the main circuit refrigerant for entering the room heat exchanger 19 through check valve 4 23 is further subcooled, cooling system performance is improved.
Under heat pattern of freezing, gas engine 1 directly drives compressor 2 to work by driving belt 3, compressed refrigeration
Agent commutates after refrigerant line 9 enters oil eliminator 4 through four-way valve 12, enters the room 19 heat release of heat exchanger, and refrigerant becomes
At liquid, then successively after check valve 3 22, liquid storage device 18, mistake cold heat exchanger 17, check valve 2 21, electric expansion valve 13 throttle
Into outdoor heat exchanger 11, refrigerant becomes gaseous state in 11 evaporation endothermic of outdoor heat exchanger, refrigerant, returns to vapour through four-way valve 12
Liquid/gas separator 10, separated gaseous refrigerant return to compressor 2, complete the working cycles of a heating mode refrigerant.When
When solenoid valve 1 is opened, enters heater 14 from some refrigerant for crossing the outflow of cold heat exchanger 17 and be heated back to vapour liquid separator
10 inlet tube is mixed with the refrigerant of the major loop of outdoor heat exchanger 11, has not only reduced the load of outdoor heat exchanger 11, but also is mentioned
The degree of superheat of the high refrigerant for flowing back to compressor 2, guarantees that system heating condition also can efficient operation in extremely cold situation.
When heat pump air conditioning system oil starvation, it is necessary to make up compressor lubricating oil, in order to reduce the shadow to system work as far as possible
It rings, in system work, compressor lubricant oil can be charged in advance in oil eliminator 4 by lubricating oil fill port 6, at this point, returning
Solenoid 24 is closed, and the compressor lubricant oil of filling enters oil eliminator 4 along oil return pipe 5 and stores, and when needing fuel feeding, is opened
Oil return solenoid valve 24, compressor lubricant oil can quickly return in the oil pocket of compressor 2.
For above-described embodiment simply to illustrate that the technical ideas and features of the present invention, its purpose is allows this field
Interior those of ordinary skill can understand the content of the utility model and implement accordingly, can not limit the utility model with this
Protection scope.The equivalent changes or modifications that all essence according to the content of the present invention is made, should all cover in this reality
With in novel protection scope.
Claims (2)
1. a kind of quick oiling gas engine heat pump system, it is characterised in that: fast including refrigerant-cycle systems and compressor lubricant oil
Fast filling system；
The refrigerant-cycle systems include compressor (2), oil eliminator (4), vapour liquid separator (10), outdoor heat exchanger
(11), four-way valve (12), electric expansion valve (13), liquid storage device (18), indoor heat exchanger (19), check valve one (20), check valve
Two (21), check valve three (22) and check valve four (23)；
The refrigerant outlet of compressor (2) is connect with the entrance of oil eliminator (4), the refrigerant outlet and four of oil eliminator (4)
The first port of port valve (12) connects, and the second port of four-way valve (12) is connect with the first port of outdoor heat exchanger (11), room
The second port of external heat exchanger (11) is successively through electric expansion valve (13), check valve one (20), liquid storage device (18), check valve four
(23) it is connect with the first port of indoor heat exchanger (19), the 4th of the second port of indoor heat exchanger (19) and four-way valve (12) the
Port connection, the third port of four-way valve (12) are connect with the entrance of vapour liquid separator (10), the outlet of vapour liquid separator (10)
It is connect with the refrigerant inlet of compressor (2)；The first port of indoor heat exchanger (19) is also successively through check valve three (22), liquid storage
Device (18), check valve two (21), electric expansion valve (13) are connect with the second port of outdoor heat exchanger (11)；
The quick filling system of the compressor lubricant oil includes that oil eliminator (4), oil return pipe (5), at least one lubricating oil fill
Geat (6) and oil return solenoid valve (24)；One end of oil return pipe (5) is connect with the hydraulic fluid port of oil eliminator (4) bottom, the other end and pressure
The pouring orifice of contracting machine (2) connects, and lubricating oil fill port (6) and oil return solenoid valve (24) are arranged on oil return pipe (5), and lubricating oil
Fill port (6) is located between oil eliminator (4) and oil return solenoid valve (24).
2. a kind of quick oiling gas engine heat pump system according to claim 1, it is characterised in that: the refrigerant circulation
System further includes heater (14), solenoid valve one (15), solenoid valve two (16) and crosses cold heat exchanger (17)；
The outlet of liquid storage device (18) is connect with a side entrance for crossing cold heat exchanger (17), and the primary side for crossing cold heat exchanger (17) goes out
Mouth is divided into two-way, connect all the way through solenoid valve one (15), heater (14) with the import of vapour liquid separator (10), another way is through electricity
Magnet valve two (16) is connect with the secondary side entrance for crossing cold heat exchanger (17), crosses the secondary side outlet and vapour-liquid point of cold heat exchanger (17)
Outlet connection from device (10)；Cross a side outlet of cold heat exchanger (17) also respectively with check valve two (21) and check valve four
(23) it connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697577.2U CN209027149U (en) | 2018-10-18 | 2018-10-18 | A kind of quick oiling gas engine heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697577.2U CN209027149U (en) | 2018-10-18 | 2018-10-18 | A kind of quick oiling gas engine heat pump system |
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| Publication Number | Publication Date |
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| CN209027149U true CN209027149U (en) | 2019-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821697577.2U Active CN209027149U (en) | 2018-10-18 | 2018-10-18 | A kind of quick oiling gas engine heat pump system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163480A (en) * | 2018-10-18 | 2019-01-08 | 中国科学院广州能源研究所 | A kind of quick oiling gas engine heat pump system |
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2018
- 2018-10-18 CN CN201821697577.2U patent/CN209027149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163480A (en) * | 2018-10-18 | 2019-01-08 | 中国科学院广州能源研究所 | A kind of quick oiling gas engine heat pump system |
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